#include <stdlib.h>
#include <stdint.h> //include for uint64_t
#include <assert.h>
+#include <errno.h>
#include <sys/mman.h>
+#ifdef __MACH__
+#include <libkern/OSCacheControl.h>
+#endif
+#ifdef _3DS
+#include <3ds_utils.h>
+#endif
+#ifdef VITA
+#include <psp2/kernel/sysmem.h>
+static int sceBlock;
+#endif
+#include "new_dynarec_config.h"
+#include "../psxhle.h"
+#include "../psxinterpreter.h"
#include "emu_if.h" //emulator interface
+#define noinline __attribute__((noinline,noclone))
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+#endif
+
//#define DISASM
//#define assem_debug printf
//#define inv_debug printf
#ifdef __arm__
#include "assem_arm.h"
#endif
+#ifdef __aarch64__
+#include "assem_arm64.h"
+#endif
#define MAXBLOCK 4096
#define MAX_OUTPUT_BLOCK_SIZE 262144
+// stubs
+enum stub_type {
+ CC_STUB = 1,
+ FP_STUB = 2,
+ LOADB_STUB = 3,
+ LOADH_STUB = 4,
+ LOADW_STUB = 5,
+ LOADD_STUB = 6,
+ LOADBU_STUB = 7,
+ LOADHU_STUB = 8,
+ STOREB_STUB = 9,
+ STOREH_STUB = 10,
+ STOREW_STUB = 11,
+ STORED_STUB = 12,
+ STORELR_STUB = 13,
+ INVCODE_STUB = 14,
+};
+
struct regstat
{
signed char regmap_entry[HOST_REGS];
signed char regmap[HOST_REGS];
- uint64_t was32;
- uint64_t is32;
uint64_t wasdirty;
uint64_t dirty;
uint64_t u;
- uint64_t uu;
u_int wasconst;
u_int isconst;
u_int loadedconst; // host regs that have constants loaded
u_int waswritten; // MIPS regs that were used as store base before
- uint64_t constmap[HOST_REGS];
};
+// note: asm depends on this layout
struct ll_entry
{
u_int vaddr;
- u_int reg32;
+ u_int reg_sv_flags;
void *addr;
struct ll_entry *next;
};
- u_int start;
- u_int *source;
- u_int pagelimit;
- char insn[MAXBLOCK][10];
- u_char itype[MAXBLOCK];
- u_char opcode[MAXBLOCK];
- u_char opcode2[MAXBLOCK];
- u_char bt[MAXBLOCK];
- u_char rs1[MAXBLOCK];
- u_char rs2[MAXBLOCK];
- u_char rt1[MAXBLOCK];
- u_char rt2[MAXBLOCK];
- u_char us1[MAXBLOCK];
- u_char us2[MAXBLOCK];
- u_char dep1[MAXBLOCK];
- u_char dep2[MAXBLOCK];
- u_char lt1[MAXBLOCK];
+struct ht_entry
+{
+ u_int vaddr[2];
+ void *tcaddr[2];
+};
+
+struct code_stub
+{
+ enum stub_type type;
+ void *addr;
+ void *retaddr;
+ u_int a;
+ uintptr_t b;
+ uintptr_t c;
+ u_int d;
+ u_int e;
+};
+
+struct link_entry
+{
+ void *addr;
+ u_int target;
+ u_int ext;
+};
+
+ // used by asm:
+ u_char *out;
+ struct ht_entry hash_table[65536] __attribute__((aligned(16)));
+ struct ll_entry *jump_in[4096] __attribute__((aligned(16)));
+ struct ll_entry *jump_dirty[4096];
+
+ static struct ll_entry *jump_out[4096];
+ static u_int start;
+ static u_int *source;
+ static char insn[MAXBLOCK][10];
+ static u_char itype[MAXBLOCK];
+ static u_char opcode[MAXBLOCK];
+ static u_char opcode2[MAXBLOCK];
+ static u_char bt[MAXBLOCK];
+ static u_char rs1[MAXBLOCK];
+ static u_char rs2[MAXBLOCK];
+ static u_char rt1[MAXBLOCK];
+ static u_char rt2[MAXBLOCK];
+ static u_char dep1[MAXBLOCK];
+ static u_char dep2[MAXBLOCK];
+ static u_char lt1[MAXBLOCK];
static uint64_t gte_rs[MAXBLOCK]; // gte: 32 data and 32 ctl regs
static uint64_t gte_rt[MAXBLOCK];
static uint64_t gte_unneeded[MAXBLOCK];
static u_int smrv_weak; // same, but somewhat less likely
static u_int smrv_strong_next; // same, but after current insn executes
static u_int smrv_weak_next;
- int imm[MAXBLOCK];
- u_int ba[MAXBLOCK];
- char likely[MAXBLOCK];
- char is_ds[MAXBLOCK];
- char ooo[MAXBLOCK];
- uint64_t unneeded_reg[MAXBLOCK];
- uint64_t unneeded_reg_upper[MAXBLOCK];
- uint64_t branch_unneeded_reg[MAXBLOCK];
- uint64_t branch_unneeded_reg_upper[MAXBLOCK];
- uint64_t p32[MAXBLOCK];
- uint64_t pr32[MAXBLOCK];
- signed char regmap_pre[MAXBLOCK][HOST_REGS];
- signed char regmap[MAXBLOCK][HOST_REGS];
- signed char regmap_entry[MAXBLOCK][HOST_REGS];
- uint64_t constmap[MAXBLOCK][HOST_REGS];
- struct regstat regs[MAXBLOCK];
- struct regstat branch_regs[MAXBLOCK];
- signed char minimum_free_regs[MAXBLOCK];
- u_int needed_reg[MAXBLOCK];
- uint64_t requires_32bit[MAXBLOCK];
- u_int wont_dirty[MAXBLOCK];
- u_int will_dirty[MAXBLOCK];
- int ccadj[MAXBLOCK];
- int slen;
- u_int instr_addr[MAXBLOCK];
- u_int link_addr[MAXBLOCK][3];
- int linkcount;
- u_int stubs[MAXBLOCK*3][8];
- int stubcount;
- u_int literals[1024][2];
- int literalcount;
- int is_delayslot;
- int cop1_usable;
- u_char *out;
- struct ll_entry *jump_in[4096];
- struct ll_entry *jump_out[4096];
- struct ll_entry *jump_dirty[4096];
- u_int hash_table[65536][4] __attribute__((aligned(16)));
- char shadow[1048576] __attribute__((aligned(16)));
- void *copy;
- int expirep;
-#ifndef PCSX
- u_int using_tlb;
+ static int imm[MAXBLOCK];
+ static u_int ba[MAXBLOCK];
+ static char likely[MAXBLOCK];
+ static char is_ds[MAXBLOCK];
+ static char ooo[MAXBLOCK];
+ static uint64_t unneeded_reg[MAXBLOCK];
+ static uint64_t branch_unneeded_reg[MAXBLOCK];
+ static signed char regmap_pre[MAXBLOCK][HOST_REGS]; // pre-instruction i?
+ static uint64_t current_constmap[HOST_REGS];
+ static uint64_t constmap[MAXBLOCK][HOST_REGS];
+ static struct regstat regs[MAXBLOCK];
+ static struct regstat branch_regs[MAXBLOCK];
+ static signed char minimum_free_regs[MAXBLOCK];
+ static u_int needed_reg[MAXBLOCK];
+ static u_int wont_dirty[MAXBLOCK];
+ static u_int will_dirty[MAXBLOCK];
+ static int ccadj[MAXBLOCK];
+ static int slen;
+ static void *instr_addr[MAXBLOCK];
+ static struct link_entry link_addr[MAXBLOCK];
+ static int linkcount;
+ static struct code_stub stubs[MAXBLOCK*3];
+ static int stubcount;
+ static u_int literals[1024][2];
+ static int literalcount;
+ static int is_delayslot;
+ static char shadow[1048576] __attribute__((aligned(16)));
+ static void *copy;
+ static int expirep;
+ static u_int stop_after_jal;
+#ifndef RAM_FIXED
+ static uintptr_t ram_offset;
#else
- static const u_int using_tlb=0;
+ static const uintptr_t ram_offset=0;
#endif
- int new_dynarec_did_compile;
+
int new_dynarec_hacks;
- u_int stop_after_jal;
+ int new_dynarec_did_compile;
+
+ extern int cycle_count; // ... until end of the timeslice, counts -N -> 0
+ extern int last_count; // last absolute target, often = next_interupt
+ extern int pcaddr;
+ extern int pending_exception;
+ extern int branch_target;
+ extern uintptr_t mini_ht[32][2];
extern u_char restore_candidate[512];
- extern int cycle_count;
/* registers that may be allocated */
/* 1-31 gpr */
-#define HIREG 32 // hi
-#define LOREG 33 // lo
-#define FSREG 34 // FPU status (FCSR)
+#define LOREG 32 // lo
+#define HIREG 33 // hi
+//#define FSREG 34 // FPU status (FCSR)
#define CSREG 35 // Coprocessor status
#define CCREG 36 // Cycle count
#define INVCP 37 // Pointer to invalid_code
-#define MMREG 38 // Pointer to memory_map
-#define ROREG 39 // ram offset (if rdram!=0x80000000)
+//#define MMREG 38 // Pointer to memory_map
+//#define ROREG 39 // ram offset (if rdram!=0x80000000)
#define TEMPREG 40
#define FTEMP 40 // FPU temporary register
#define PTEMP 41 // Prefetch temporary register
-#define TLREG 42 // TLB mapping offset
+//#define TLREG 42 // TLB mapping offset
#define RHASH 43 // Return address hash
#define RHTBL 44 // Return address hash table address
#define RTEMP 45 // JR/JALR address register
#define MAXREG 45
#define AGEN1 46 // Address generation temporary register
-#define AGEN2 47 // Address generation temporary register
-#define MGEN1 48 // Maptable address generation temporary register
-#define MGEN2 49 // Maptable address generation temporary register
+//#define AGEN2 47 // Address generation temporary register
+//#define MGEN1 48 // Maptable address generation temporary register
+//#define MGEN2 49 // Maptable address generation temporary register
#define BTREG 50 // Branch target temporary register
/* instruction types */
#define STORE 2 // Store
#define LOADLR 3 // Unaligned load
#define STORELR 4 // Unaligned store
-#define MOV 5 // Move
+#define MOV 5 // Move
#define ALU 6 // Arithmetic/logic
#define MULTDIV 7 // Multiply/divide
#define SHIFT 8 // Shift by register
#define COP0 15 // Coprocessor 0
#define COP1 16 // Coprocessor 1
#define C1LS 17 // Coprocessor 1 load/store
-#define FJUMP 18 // Conditional branch (floating point)
-#define FLOAT 19 // Floating point unit
-#define FCONV 20 // Convert integer to float
-#define FCOMP 21 // Floating point compare (sets FSREG)
+//#define FJUMP 18 // Conditional branch (floating point)
+//#define FLOAT 19 // Floating point unit
+//#define FCONV 20 // Convert integer to float
+//#define FCOMP 21 // Floating point compare (sets FSREG)
#define SYSCALL 22// SYSCALL
#define OTHER 23 // Other
#define SPAN 24 // Branch/delay slot spans 2 pages
#define C2OP 29 // Coprocessor 2 operation
#define INTCALL 30// Call interpreter to handle rare corner cases
- /* stubs */
-#define CC_STUB 1
-#define FP_STUB 2
-#define LOADB_STUB 3
-#define LOADH_STUB 4
-#define LOADW_STUB 5
-#define LOADD_STUB 6
-#define LOADBU_STUB 7
-#define LOADHU_STUB 8
-#define STOREB_STUB 9
-#define STOREH_STUB 10
-#define STOREW_STUB 11
-#define STORED_STUB 12
-#define STORELR_STUB 13
-#define INVCODE_STUB 14
-
/* branch codes */
#define TAKEN 1
#define NOTTAKEN 2
#define NULLDS 3
+#define DJT_1 (void *)1l // no function, just a label in assem_debug log
+#define DJT_2 (void *)2l
+
// asm linkage
-int new_recompile_block(int addr);
+int new_recompile_block(u_int addr);
void *get_addr_ht(u_int vaddr);
void invalidate_block(u_int block);
void invalidate_addr(u_int addr);
void remove_hash(int vaddr);
-void jump_vaddr();
void dyna_linker();
void dyna_linker_ds();
void verify_code();
-void verify_code_vm();
void verify_code_ds();
void cc_interrupt();
void fp_exception();
void fp_exception_ds();
-void jump_syscall();
-void jump_syscall_hle();
-void jump_eret();
-void jump_hlecall();
-void jump_intcall();
+void jump_to_new_pc();
void new_dyna_leave();
-// TLB
-void TLBWI_new();
-void TLBWR_new();
-void read_nomem_new();
-void read_nomemb_new();
-void read_nomemh_new();
-void read_nomemd_new();
-void write_nomem_new();
-void write_nomemb_new();
-void write_nomemh_new();
-void write_nomemd_new();
-void write_rdram_new();
-void write_rdramb_new();
-void write_rdramh_new();
-void write_rdramd_new();
-extern u_int memory_map[1048576];
-
// Needed by assembler
-void wb_register(signed char r,signed char regmap[],uint64_t dirty,uint64_t is32);
-void wb_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty);
-void wb_needed_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr);
-void load_all_regs(signed char i_regmap[]);
-void load_needed_regs(signed char i_regmap[],signed char next_regmap[]);
-void load_regs_entry(int t);
-void load_all_consts(signed char regmap[],int is32,u_int dirty,int i);
+static void wb_register(signed char r,signed char regmap[],uint64_t dirty);
+static void wb_dirtys(signed char i_regmap[],uint64_t i_dirty);
+static void wb_needed_dirtys(signed char i_regmap[],uint64_t i_dirty,int addr);
+static void load_all_regs(signed char i_regmap[]);
+static void load_needed_regs(signed char i_regmap[],signed char next_regmap[]);
+static void load_regs_entry(int t);
+static void load_all_consts(signed char regmap[],u_int dirty,int i);
+
+static int verify_dirty(const u_int *ptr);
+static int get_final_value(int hr, int i, int *value);
+static void add_stub(enum stub_type type, void *addr, void *retaddr,
+ u_int a, uintptr_t b, uintptr_t c, u_int d, u_int e);
+static void add_stub_r(enum stub_type type, void *addr, void *retaddr,
+ int i, int addr_reg, struct regstat *i_regs, int ccadj, u_int reglist);
+static void add_to_linker(void *addr, u_int target, int ext);
+static void *emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override);
+static void *get_direct_memhandler(void *table, u_int addr,
+ enum stub_type type, uintptr_t *addr_host);
+static void pass_args(int a0, int a1);
+
+static void mprotect_w_x(void *start, void *end, int is_x)
+{
+#ifdef NO_WRITE_EXEC
+ #if defined(VITA)
+ // *Open* enables write on all memory that was
+ // allocated by sceKernelAllocMemBlockForVM()?
+ if (is_x)
+ sceKernelCloseVMDomain();
+ else
+ sceKernelOpenVMDomain();
+ #else
+ u_long mstart = (u_long)start & ~4095ul;
+ u_long mend = (u_long)end;
+ if (mprotect((void *)mstart, mend - mstart,
+ PROT_READ | (is_x ? PROT_EXEC : PROT_WRITE)) != 0)
+ SysPrintf("mprotect(%c) failed: %s\n", is_x ? 'x' : 'w', strerror(errno));
+ #endif
+#endif
+}
+
+static void start_tcache_write(void *start, void *end)
+{
+ mprotect_w_x(start, end, 0);
+}
+
+static void end_tcache_write(void *start, void *end)
+{
+#ifdef __arm__
+ size_t len = (char *)end - (char *)start;
+ #if defined(__BLACKBERRY_QNX__)
+ msync(start, len, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE);
+ #elif defined(__MACH__)
+ sys_cache_control(kCacheFunctionPrepareForExecution, start, len);
+ #elif defined(VITA)
+ sceKernelSyncVMDomain(sceBlock, start, len);
+ #elif defined(_3DS)
+ ctr_flush_invalidate_cache();
+ #else
+ __clear_cache(start, end);
+ #endif
+ (void)len;
+#else
+ __clear_cache(start, end);
+#endif
+
+ mprotect_w_x(start, end, 1);
+}
+
+static void *start_block(void)
+{
+ u_char *end = out + MAX_OUTPUT_BLOCK_SIZE;
+ if (end > translation_cache + (1<<TARGET_SIZE_2))
+ end = translation_cache + (1<<TARGET_SIZE_2);
+ start_tcache_write(out, end);
+ return out;
+}
-int tracedebug=0;
+static void end_block(void *start)
+{
+ end_tcache_write(start, out);
+}
//#define DEBUG_CYCLE_COUNT 1
+#define NO_CYCLE_PENALTY_THR 12
+
int cycle_multiplier; // 100 for 1.0
static int CLOCK_ADJUST(int x)
return (x * cycle_multiplier + s * 50) / 100;
}
-static void tlb_hacks()
-{
-#ifndef DISABLE_TLB
- // Goldeneye hack
- if (strncmp((char *) ROM_HEADER->nom, "GOLDENEYE",9) == 0)
- {
- u_int addr;
- int n;
- switch (ROM_HEADER->Country_code&0xFF)
- {
- case 0x45: // U
- addr=0x34b30;
- break;
- case 0x4A: // J
- addr=0x34b70;
- break;
- case 0x50: // E
- addr=0x329f0;
- break;
- default:
- // Unknown country code
- addr=0;
- break;
- }
- u_int rom_addr=(u_int)rom;
- #ifdef ROM_COPY
- // Since memory_map is 32-bit, on 64-bit systems the rom needs to be
- // in the lower 4G of memory to use this hack. Copy it if necessary.
- if((void *)rom>(void *)0xffffffff) {
- munmap(ROM_COPY, 67108864);
- if(mmap(ROM_COPY, 12582912,
- PROT_READ | PROT_WRITE,
- MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
- -1, 0) <= 0) {printf("mmap() failed\n");}
- memcpy(ROM_COPY,rom,12582912);
- rom_addr=(u_int)ROM_COPY;
- }
- #endif
- if(addr) {
- for(n=0x7F000;n<0x80000;n++) {
- memory_map[n]=(((u_int)(rom_addr+addr-0x7F000000))>>2)|0x40000000;
- }
- }
- }
-#endif
-}
-
static u_int get_page(u_int vaddr)
{
-#ifndef PCSX
- u_int page=(vaddr^0x80000000)>>12;
-#else
u_int page=vaddr&~0xe0000000;
if (page < 0x1000000)
page &= ~0x0e00000; // RAM mirrors
page>>=12;
-#endif
-#ifndef DISABLE_TLB
- if(page>262143&&tlb_LUT_r[vaddr>>12]) page=(tlb_LUT_r[vaddr>>12]^0x80000000)>>12;
-#endif
if(page>2048) page=2048+(page&2047);
return page;
}
-#ifndef PCSX
-static u_int get_vpage(u_int vaddr)
-{
- u_int vpage=(vaddr^0x80000000)>>12;
-#ifndef DISABLE_TLB
- if(vpage>262143&&tlb_LUT_r[vaddr>>12]) vpage&=2047; // jump_dirty uses a hash of the virtual address instead
-#endif
- if(vpage>2048) vpage=2048+(vpage&2047);
- return vpage;
-}
-#else
// no virtual mem in PCSX
static u_int get_vpage(u_int vaddr)
{
return get_page(vaddr);
}
-#endif
+
+static struct ht_entry *hash_table_get(u_int vaddr)
+{
+ return &hash_table[((vaddr>>16)^vaddr)&0xFFFF];
+}
+
+static void hash_table_add(struct ht_entry *ht_bin, u_int vaddr, void *tcaddr)
+{
+ ht_bin->vaddr[1] = ht_bin->vaddr[0];
+ ht_bin->tcaddr[1] = ht_bin->tcaddr[0];
+ ht_bin->vaddr[0] = vaddr;
+ ht_bin->tcaddr[0] = tcaddr;
+}
+
+// some messy ari64's code, seems to rely on unsigned 32bit overflow
+static int doesnt_expire_soon(void *tcaddr)
+{
+ u_int diff = (u_int)((u_char *)tcaddr - out) << (32-TARGET_SIZE_2);
+ return diff > (u_int)(0x60000000 + (MAX_OUTPUT_BLOCK_SIZE << (32-TARGET_SIZE_2)));
+}
// Get address from virtual address
// This is called from the recompiled JR/JALR instructions
-void *get_addr(u_int vaddr)
+void noinline *get_addr(u_int vaddr)
{
u_int page=get_page(vaddr);
u_int vpage=get_vpage(vaddr);
//printf("TRACE: count=%d next=%d (get_addr %x,page %d)\n",Count,next_interupt,vaddr,page);
head=jump_in[page];
while(head!=NULL) {
- if(head->vaddr==vaddr&&head->reg32==0) {
- //printf("TRACE: count=%d next=%d (get_addr match %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr);
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- ht_bin[3]=ht_bin[1];
- ht_bin[2]=ht_bin[0];
- ht_bin[1]=(int)head->addr;
- ht_bin[0]=vaddr;
+ if(head->vaddr==vaddr) {
+ //printf("TRACE: count=%d next=%d (get_addr match %x: %p)\n",Count,next_interupt,vaddr,head->addr);
+ hash_table_add(hash_table_get(vaddr), vaddr, head->addr);
return head->addr;
}
head=head->next;
}
head=jump_dirty[vpage];
while(head!=NULL) {
- if(head->vaddr==vaddr&&head->reg32==0) {
- //printf("TRACE: count=%d next=%d (get_addr match dirty %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr);
+ if(head->vaddr==vaddr) {
+ //printf("TRACE: count=%d next=%d (get_addr match dirty %x: %p)\n",Count,next_interupt,vaddr,head->addr);
// Don't restore blocks which are about to expire from the cache
- if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2)))
- if(verify_dirty(head->addr)) {
+ if (doesnt_expire_soon(head->addr))
+ if (verify_dirty(head->addr)) {
//printf("restore candidate: %x (%d) d=%d\n",vaddr,page,invalid_code[vaddr>>12]);
invalid_code[vaddr>>12]=0;
inv_code_start=inv_code_end=~0;
-#ifndef DISABLE_TLB
- memory_map[vaddr>>12]|=0x40000000;
-#endif
if(vpage<2048) {
-#ifndef DISABLE_TLB
- if(tlb_LUT_r[vaddr>>12]) {
- invalid_code[tlb_LUT_r[vaddr>>12]>>12]=0;
- memory_map[tlb_LUT_r[vaddr>>12]>>12]|=0x40000000;
- }
-#endif
restore_candidate[vpage>>3]|=1<<(vpage&7);
}
else restore_candidate[page>>3]|=1<<(page&7);
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==vaddr) {
- ht_bin[1]=(int)head->addr; // Replace existing entry
- }
+ struct ht_entry *ht_bin = hash_table_get(vaddr);
+ if (ht_bin->vaddr[0] == vaddr)
+ ht_bin->tcaddr[0] = head->addr; // Replace existing entry
else
- {
- ht_bin[3]=ht_bin[1];
- ht_bin[2]=ht_bin[0];
- ht_bin[1]=(int)head->addr;
- ht_bin[0]=vaddr;
- }
+ hash_table_add(ht_bin, vaddr, head->addr);
+
return head->addr;
}
}
void *get_addr_ht(u_int vaddr)
{
//printf("TRACE: count=%d next=%d (get_addr_ht %x)\n",Count,next_interupt,vaddr);
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==vaddr) return (void *)ht_bin[1];
- if(ht_bin[2]==vaddr) return (void *)ht_bin[3];
- return get_addr(vaddr);
-}
-
-void *get_addr_32(u_int vaddr,u_int flags)
-{
-#ifdef FORCE32
+ const struct ht_entry *ht_bin = hash_table_get(vaddr);
+ if (ht_bin->vaddr[0] == vaddr) return ht_bin->tcaddr[0];
+ if (ht_bin->vaddr[1] == vaddr) return ht_bin->tcaddr[1];
return get_addr(vaddr);
-#else
- //printf("TRACE: count=%d next=%d (get_addr_32 %x,flags %x)\n",Count,next_interupt,vaddr,flags);
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==vaddr) return (void *)ht_bin[1];
- if(ht_bin[2]==vaddr) return (void *)ht_bin[3];
- u_int page=get_page(vaddr);
- u_int vpage=get_vpage(vaddr);
- struct ll_entry *head;
- head=jump_in[page];
- while(head!=NULL) {
- if(head->vaddr==vaddr&&(head->reg32&flags)==0) {
- //printf("TRACE: count=%d next=%d (get_addr_32 match %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr);
- if(head->reg32==0) {
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==-1) {
- ht_bin[1]=(int)head->addr;
- ht_bin[0]=vaddr;
- }else if(ht_bin[2]==-1) {
- ht_bin[3]=(int)head->addr;
- ht_bin[2]=vaddr;
- }
- //ht_bin[3]=ht_bin[1];
- //ht_bin[2]=ht_bin[0];
- //ht_bin[1]=(int)head->addr;
- //ht_bin[0]=vaddr;
- }
- return head->addr;
- }
- head=head->next;
- }
- head=jump_dirty[vpage];
- while(head!=NULL) {
- if(head->vaddr==vaddr&&(head->reg32&flags)==0) {
- //printf("TRACE: count=%d next=%d (get_addr_32 match dirty %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr);
- // Don't restore blocks which are about to expire from the cache
- if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2)))
- if(verify_dirty(head->addr)) {
- //printf("restore candidate: %x (%d) d=%d\n",vaddr,page,invalid_code[vaddr>>12]);
- invalid_code[vaddr>>12]=0;
- inv_code_start=inv_code_end=~0;
- memory_map[vaddr>>12]|=0x40000000;
- if(vpage<2048) {
-#ifndef DISABLE_TLB
- if(tlb_LUT_r[vaddr>>12]) {
- invalid_code[tlb_LUT_r[vaddr>>12]>>12]=0;
- memory_map[tlb_LUT_r[vaddr>>12]>>12]|=0x40000000;
- }
-#endif
- restore_candidate[vpage>>3]|=1<<(vpage&7);
- }
- else restore_candidate[page>>3]|=1<<(page&7);
- if(head->reg32==0) {
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==-1) {
- ht_bin[1]=(int)head->addr;
- ht_bin[0]=vaddr;
- }else if(ht_bin[2]==-1) {
- ht_bin[3]=(int)head->addr;
- ht_bin[2]=vaddr;
- }
- //ht_bin[3]=ht_bin[1];
- //ht_bin[2]=ht_bin[0];
- //ht_bin[1]=(int)head->addr;
- //ht_bin[0]=vaddr;
- }
- return head->addr;
- }
- }
- head=head->next;
- }
- //printf("TRACE: count=%d next=%d (get_addr_32 no-match %x,flags %x)\n",Count,next_interupt,vaddr,flags);
- int r=new_recompile_block(vaddr);
- if(r==0) return get_addr(vaddr);
- // Execute in unmapped page, generate pagefault execption
- Status|=2;
- Cause=(vaddr<<31)|0x8;
- EPC=(vaddr&1)?vaddr-5:vaddr;
- BadVAddr=(vaddr&~1);
- Context=(Context&0xFF80000F)|((BadVAddr>>9)&0x007FFFF0);
- EntryHi=BadVAddr&0xFFFFE000;
- return get_addr_ht(0x80000000);
-#endif
}
void clear_all_regs(signed char regmap[])
for (hr=0;hr<HOST_REGS;hr++) regmap[hr]=-1;
}
-signed char get_reg(signed char regmap[],int r)
+static signed char get_reg(const signed char regmap[],int r)
{
int hr;
for (hr=0;hr<HOST_REGS;hr++) if(hr!=EXCLUDE_REG&®map[hr]==r) return hr;
}
// Find a register that is available for two consecutive cycles
-signed char get_reg2(signed char regmap1[],signed char regmap2[],int r)
+static signed char get_reg2(signed char regmap1[], const signed char regmap2[], int r)
{
int hr;
for (hr=0;hr<HOST_REGS;hr++) if(hr!=EXCLUDE_REG&®map1[hr]==r&®map2[hr]==r) return hr;
}
}
-// If we dirty the lower half of a 64 bit register which is now being
-// sign-extended, we need to dump the upper half.
-// Note: Do this only after completion of the instruction, because
-// some instructions may need to read the full 64-bit value even if
-// overwriting it (eg SLTI, DSRA32).
-static void flush_dirty_uppers(struct regstat *cur)
-{
- int hr,reg;
- for (hr=0;hr<HOST_REGS;hr++) {
- if((cur->dirty>>hr)&1) {
- reg=cur->regmap[hr];
- if(reg>=64)
- if((cur->is32>>(reg&63))&1) cur->regmap[hr]=-1;
- }
- }
-}
-
void set_const(struct regstat *cur,signed char reg,uint64_t value)
{
int hr;
for (hr=0;hr<HOST_REGS;hr++) {
if(cur->regmap[hr]==reg) {
cur->isconst|=1<<hr;
- cur->constmap[hr]=value;
- }
- else if((cur->regmap[hr]^64)==reg) {
- cur->isconst|=1<<hr;
- cur->constmap[hr]=value>>32;
+ current_constmap[hr]=value;
}
}
}
if(!reg) return 0;
for (hr=0;hr<HOST_REGS;hr++) {
if(cur->regmap[hr]==reg) {
- return cur->constmap[hr];
+ return current_constmap[hr];
}
}
- printf("Unknown constant in r%d\n",reg);
- exit(1);
+ SysPrintf("Unknown constant in r%d\n",reg);
+ abort();
}
// Least soon needed registers
hsn[INVCP]=j;
}
#endif
- if(i+j>=0&&(itype[i+j]==UJUMP||itype[i+j]==CJUMP||itype[i+j]==SJUMP||itype[i+j]==FJUMP))
+ if(i+j>=0&&(itype[i+j]==UJUMP||itype[i+j]==CJUMP||itype[i+j]==SJUMP))
{
hsn[CCREG]=j;
b=j;
// TODO: preferred register based on backward branch
}
// Delay slot should preferably not overwrite branch conditions or cycle count
- if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP)) {
+ if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP)) {
if(rs1[i-1]) if(hsn[rs1[i-1]]>1) hsn[rs1[i-1]]=1;
if(rs2[i-1]) if(hsn[rs2[i-1]]>1) hsn[rs2[i-1]]=1;
hsn[CCREG]=1;
if(opcode[i]==0x2a||opcode[i]==0x2e||opcode[i]==0x2c||opcode[i]==0x2d) {
hsn[FTEMP]=0;
}
- // Don't remove the TLB registers either
- if(itype[i]==LOAD || itype[i]==LOADLR || itype[i]==STORE || itype[i]==STORELR || itype[i]==C1LS || itype[i]==C2LS) {
- hsn[TLREG]=0;
- }
// Don't remove the miniht registers
if(itype[i]==UJUMP||itype[i]==RJUMP)
{
int j;
int b=-1;
int rn=10;
-
+
if(i>0&&(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000))
{
if(ba[i-1]<start || ba[i-1]>start+slen*4-4)
if(rs1[i+j]==r) rn=j;
if(rs2[i+j]==r) rn=j;
if((unneeded_reg[i+j]>>r)&1) rn=10;
- if(i+j>=0&&(itype[i+j]==UJUMP||itype[i+j]==CJUMP||itype[i+j]==SJUMP||itype[i+j]==FJUMP))
+ if(i+j>=0&&(itype[i+j]==UJUMP||itype[i+j]==CJUMP||itype[i+j]==SJUMP))
{
b=j;
}
}
}*/
if(rn<10) return 1;
+ (void)b;
return 0;
}
}
k=0;
if(i>0){
- if(itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP)
+ if(itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP)
k--;
}
for(;k<j;k++)
{
- if(r<64&&((unneeded_reg[i+k]>>r)&1)) return hr;
- if(r>64&&((unneeded_reg_upper[i+k]>>r)&1)) return hr;
- if(i+k>=0&&(itype[i+k]==UJUMP||itype[i+k]==CJUMP||itype[i+k]==SJUMP||itype[i+k]==FJUMP))
+ assert(r < 64);
+ if((unneeded_reg[i+k]>>r)&1) return hr;
+ if(i+k>=0&&(itype[i+k]==UJUMP||itype[i+k]==CJUMP||itype[i+k]==SJUMP))
{
if(ba[i+k]>=start && ba[i+k]<(start+i*4))
{
void alloc_all(struct regstat *cur,int i)
{
int hr;
-
+
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG) {
if(((cur->regmap[hr]&63)!=rs1[i])&&((cur->regmap[hr]&63)!=rs2[i])&&
}
}
-#ifndef FORCE32
-void div64(int64_t dividend,int64_t divisor)
-{
- lo=dividend/divisor;
- hi=dividend%divisor;
- //printf("TRACE: ddiv %8x%8x %8x%8x\n" ,(int)reg[HIREG],(int)(reg[HIREG]>>32)
- // ,(int)reg[LOREG],(int)(reg[LOREG]>>32));
-}
-void divu64(uint64_t dividend,uint64_t divisor)
-{
- lo=dividend/divisor;
- hi=dividend%divisor;
- //printf("TRACE: ddivu %8x%8x %8x%8x\n",(int)reg[HIREG],(int)(reg[HIREG]>>32)
- // ,(int)reg[LOREG],(int)(reg[LOREG]>>32));
-}
-
-void mult64(uint64_t m1,uint64_t m2)
-{
- unsigned long long int op1, op2, op3, op4;
- unsigned long long int result1, result2, result3, result4;
- unsigned long long int temp1, temp2, temp3, temp4;
- int sign = 0;
-
- if (m1 < 0)
- {
- op2 = -m1;
- sign = 1 - sign;
- }
- else op2 = m1;
- if (m2 < 0)
- {
- op4 = -m2;
- sign = 1 - sign;
- }
- else op4 = m2;
-
- op1 = op2 & 0xFFFFFFFF;
- op2 = (op2 >> 32) & 0xFFFFFFFF;
- op3 = op4 & 0xFFFFFFFF;
- op4 = (op4 >> 32) & 0xFFFFFFFF;
-
- temp1 = op1 * op3;
- temp2 = (temp1 >> 32) + op1 * op4;
- temp3 = op2 * op3;
- temp4 = (temp3 >> 32) + op2 * op4;
-
- result1 = temp1 & 0xFFFFFFFF;
- result2 = temp2 + (temp3 & 0xFFFFFFFF);
- result3 = (result2 >> 32) + temp4;
- result4 = (result3 >> 32);
-
- lo = result1 | (result2 << 32);
- hi = (result3 & 0xFFFFFFFF) | (result4 << 32);
- if (sign)
- {
- hi = ~hi;
- if (!lo) hi++;
- else lo = ~lo + 1;
- }
-}
-
-void multu64(uint64_t m1,uint64_t m2)
-{
- unsigned long long int op1, op2, op3, op4;
- unsigned long long int result1, result2, result3, result4;
- unsigned long long int temp1, temp2, temp3, temp4;
-
- op1 = m1 & 0xFFFFFFFF;
- op2 = (m1 >> 32) & 0xFFFFFFFF;
- op3 = m2 & 0xFFFFFFFF;
- op4 = (m2 >> 32) & 0xFFFFFFFF;
-
- temp1 = op1 * op3;
- temp2 = (temp1 >> 32) + op1 * op4;
- temp3 = op2 * op3;
- temp4 = (temp3 >> 32) + op2 * op4;
-
- result1 = temp1 & 0xFFFFFFFF;
- result2 = temp2 + (temp3 & 0xFFFFFFFF);
- result3 = (result2 >> 32) + temp4;
- result4 = (result3 >> 32);
-
- lo = result1 | (result2 << 32);
- hi = (result3 & 0xFFFFFFFF) | (result4 << 32);
-
- //printf("TRACE: dmultu %8x%8x %8x%8x\n",(int)reg[HIREG],(int)(reg[HIREG]>>32)
- // ,(int)reg[LOREG],(int)(reg[LOREG]>>32));
-}
-
-uint64_t ldl_merge(uint64_t original,uint64_t loaded,u_int bits)
-{
- if(bits) {
- original<<=64-bits;
- original>>=64-bits;
- loaded<<=bits;
- original|=loaded;
- }
- else original=loaded;
- return original;
-}
-uint64_t ldr_merge(uint64_t original,uint64_t loaded,u_int bits)
-{
- if(bits^56) {
- original>>=64-(bits^56);
- original<<=64-(bits^56);
- loaded>>=bits^56;
- original|=loaded;
- }
- else original=loaded;
- return original;
+#ifndef NDEBUG
+static int host_tempreg_in_use;
+
+static void host_tempreg_acquire(void)
+{
+ assert(!host_tempreg_in_use);
+ host_tempreg_in_use = 1;
+}
+
+static void host_tempreg_release(void)
+{
+ host_tempreg_in_use = 0;
+}
+#else
+static void host_tempreg_acquire(void) {}
+static void host_tempreg_release(void) {}
+#endif
+
+#ifdef DRC_DBG
+extern void gen_interupt();
+extern void do_insn_cmp();
+#define FUNCNAME(f) { f, " " #f }
+static const struct {
+ void *addr;
+ const char *name;
+} function_names[] = {
+ FUNCNAME(cc_interrupt),
+ FUNCNAME(gen_interupt),
+ FUNCNAME(get_addr_ht),
+ FUNCNAME(get_addr),
+ FUNCNAME(jump_handler_read8),
+ FUNCNAME(jump_handler_read16),
+ FUNCNAME(jump_handler_read32),
+ FUNCNAME(jump_handler_write8),
+ FUNCNAME(jump_handler_write16),
+ FUNCNAME(jump_handler_write32),
+ FUNCNAME(invalidate_addr),
+ FUNCNAME(jump_to_new_pc),
+ FUNCNAME(new_dyna_leave),
+ FUNCNAME(pcsx_mtc0),
+ FUNCNAME(pcsx_mtc0_ds),
+ FUNCNAME(do_insn_cmp),
+#ifdef __arm__
+ FUNCNAME(verify_code),
+#endif
+};
+
+static const char *func_name(const void *a)
+{
+ int i;
+ for (i = 0; i < sizeof(function_names)/sizeof(function_names[0]); i++)
+ if (function_names[i].addr == a)
+ return function_names[i].name;
+ return "";
}
+#else
+#define func_name(x) ""
#endif
#ifdef __i386__
#ifdef __arm__
#include "assem_arm.c"
#endif
+#ifdef __aarch64__
+#include "assem_arm64.c"
+#endif
// Add virtual address mapping to linked list
void ll_add(struct ll_entry **head,int vaddr,void *addr)
new_entry=malloc(sizeof(struct ll_entry));
assert(new_entry!=NULL);
new_entry->vaddr=vaddr;
- new_entry->reg32=0;
+ new_entry->reg_sv_flags=0;
new_entry->addr=addr;
new_entry->next=*head;
*head=new_entry;
}
-// Add virtual address mapping for 32-bit compiled block
-void ll_add_32(struct ll_entry **head,int vaddr,u_int reg32,void *addr)
+void ll_add_flags(struct ll_entry **head,int vaddr,u_int reg_sv_flags,void *addr)
{
ll_add(head,vaddr,addr);
-#ifndef FORCE32
- (*head)->reg32=reg32;
-#endif
+ (*head)->reg_sv_flags=reg_sv_flags;
}
// Check if an address is already compiled
// but don't return addresses which are about to expire from the cache
void *check_addr(u_int vaddr)
{
- u_int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==vaddr) {
- if(((ht_bin[1]-MAX_OUTPUT_BLOCK_SIZE-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2)))
- if(isclean(ht_bin[1])) return (void *)ht_bin[1];
- }
- if(ht_bin[2]==vaddr) {
- if(((ht_bin[3]-MAX_OUTPUT_BLOCK_SIZE-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2)))
- if(isclean(ht_bin[3])) return (void *)ht_bin[3];
+ struct ht_entry *ht_bin = hash_table_get(vaddr);
+ size_t i;
+ for (i = 0; i < ARRAY_SIZE(ht_bin->vaddr); i++) {
+ if (ht_bin->vaddr[i] == vaddr)
+ if (doesnt_expire_soon((u_char *)ht_bin->tcaddr[i] - MAX_OUTPUT_BLOCK_SIZE))
+ if (isclean(ht_bin->tcaddr[i]))
+ return ht_bin->tcaddr[i];
}
u_int page=get_page(vaddr);
struct ll_entry *head;
head=jump_in[page];
- while(head!=NULL) {
- if(head->vaddr==vaddr&&head->reg32==0) {
- if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) {
+ while (head != NULL) {
+ if (head->vaddr == vaddr) {
+ if (doesnt_expire_soon(head->addr)) {
// Update existing entry with current address
- if(ht_bin[0]==vaddr) {
- ht_bin[1]=(int)head->addr;
+ if (ht_bin->vaddr[0] == vaddr) {
+ ht_bin->tcaddr[0] = head->addr;
return head->addr;
}
- if(ht_bin[2]==vaddr) {
- ht_bin[3]=(int)head->addr;
+ if (ht_bin->vaddr[1] == vaddr) {
+ ht_bin->tcaddr[1] = head->addr;
return head->addr;
}
// Insert into hash table with low priority.
// Don't evict existing entries, as they are probably
// addresses that are being accessed frequently.
- if(ht_bin[0]==-1) {
- ht_bin[1]=(int)head->addr;
- ht_bin[0]=vaddr;
- }else if(ht_bin[2]==-1) {
- ht_bin[3]=(int)head->addr;
- ht_bin[2]=vaddr;
+ if (ht_bin->vaddr[0] == -1) {
+ ht_bin->vaddr[0] = vaddr;
+ ht_bin->tcaddr[0] = head->addr;
+ }
+ else if (ht_bin->vaddr[1] == -1) {
+ ht_bin->vaddr[1] = vaddr;
+ ht_bin->tcaddr[1] = head->addr;
}
return head->addr;
}
void remove_hash(int vaddr)
{
//printf("remove hash: %x\n",vaddr);
- int *ht_bin=hash_table[(((vaddr)>>16)^vaddr)&0xFFFF];
- if(ht_bin[2]==vaddr) {
- ht_bin[2]=ht_bin[3]=-1;
+ struct ht_entry *ht_bin = hash_table_get(vaddr);
+ if (ht_bin->vaddr[1] == vaddr) {
+ ht_bin->vaddr[1] = -1;
+ ht_bin->tcaddr[1] = NULL;
}
- if(ht_bin[0]==vaddr) {
- ht_bin[0]=ht_bin[2];
- ht_bin[1]=ht_bin[3];
- ht_bin[2]=ht_bin[3]=-1;
+ if (ht_bin->vaddr[0] == vaddr) {
+ ht_bin->vaddr[0] = ht_bin->vaddr[1];
+ ht_bin->tcaddr[0] = ht_bin->tcaddr[1];
+ ht_bin->vaddr[1] = -1;
+ ht_bin->tcaddr[1] = NULL;
}
}
-void ll_remove_matching_addrs(struct ll_entry **head,int addr,int shift)
+void ll_remove_matching_addrs(struct ll_entry **head,uintptr_t addr,int shift)
{
struct ll_entry *next;
while(*head) {
- if(((u_int)((*head)->addr)>>shift)==(addr>>shift) ||
- ((u_int)((*head)->addr-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(addr>>shift))
+ if(((uintptr_t)((*head)->addr)>>shift)==(addr>>shift) ||
+ ((uintptr_t)((*head)->addr-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(addr>>shift))
{
- inv_debug("EXP: Remove pointer to %x (%x)\n",(int)(*head)->addr,(*head)->vaddr);
+ inv_debug("EXP: Remove pointer to %p (%x)\n",(*head)->addr,(*head)->vaddr);
remove_hash((*head)->vaddr);
next=(*head)->next;
free(*head);
{
struct ll_entry *cur;
struct ll_entry *next;
- if(cur=*head) {
+ if((cur=*head)) {
*head=0;
while(cur) {
next=cur->next;
}
// Dereference the pointers and remove if it matches
-void ll_kill_pointers(struct ll_entry *head,int addr,int shift)
+static void ll_kill_pointers(struct ll_entry *head,uintptr_t addr,int shift)
{
while(head) {
- int ptr=get_pointer(head->addr);
- inv_debug("EXP: Lookup pointer to %x at %x (%x)\n",(int)ptr,(int)head->addr,head->vaddr);
+ uintptr_t ptr = (uintptr_t)get_pointer(head->addr);
+ inv_debug("EXP: Lookup pointer to %lx at %p (%x)\n",(long)ptr,head->addr,head->vaddr);
if(((ptr>>shift)==(addr>>shift)) ||
(((ptr-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(addr>>shift)))
{
- inv_debug("EXP: Kill pointer at %x (%x)\n",(int)head->addr,head->vaddr);
- u_int host_addr=(u_int)kill_pointer(head->addr);
- #ifdef __arm__
- needs_clear_cache[(host_addr-(u_int)BASE_ADDR)>>17]|=1<<(((host_addr-(u_int)BASE_ADDR)>>12)&31);
+ inv_debug("EXP: Kill pointer at %p (%x)\n",head->addr,head->vaddr);
+ void *host_addr=find_extjump_insn(head->addr);
+ #if defined(__arm__) || defined(__aarch64__)
+ mark_clear_cache(host_addr);
#endif
+ set_jump_target(host_addr, head->addr);
}
head=head->next;
}
}
// This is called when we write to a compiled block (see do_invstub)
-void invalidate_page(u_int page)
+static void invalidate_page(u_int page)
{
struct ll_entry *head;
struct ll_entry *next;
head=jump_out[page];
jump_out[page]=0;
while(head!=NULL) {
- inv_debug("INVALIDATE: kill pointer to %x (%x)\n",head->vaddr,(int)head->addr);
- u_int host_addr=(u_int)kill_pointer(head->addr);
- #ifdef __arm__
- needs_clear_cache[(host_addr-(u_int)BASE_ADDR)>>17]|=1<<(((host_addr-(u_int)BASE_ADDR)>>12)&31);
+ inv_debug("INVALIDATE: kill pointer to %x (%p)\n",head->vaddr,head->addr);
+ void *host_addr=find_extjump_insn(head->addr);
+ #if defined(__arm__) || defined(__aarch64__)
+ mark_clear_cache(host_addr);
#endif
+ set_jump_target(host_addr, head->addr);
next=head->next;
free(head);
head=next;
for(first=page+1;first<last;first++) {
invalidate_page(first);
}
- #ifdef __arm__
+ #if defined(__arm__) || defined(__aarch64__)
do_clear_cache();
#endif
-
+
// Don't trap writes
invalid_code[block]=1;
-#ifndef DISABLE_TLB
- // If there is a valid TLB entry for this page, remove write protect
- if(tlb_LUT_w[block]) {
- assert(tlb_LUT_r[block]==tlb_LUT_w[block]);
- // CHECK: Is this right?
- memory_map[block]=((tlb_LUT_w[block]&0xFFFFF000)-(block<<12)+(unsigned int)rdram-0x80000000)>>2;
- u_int real_block=tlb_LUT_w[block]>>12;
- invalid_code[real_block]=1;
- if(real_block>=0x80000&&real_block<0x80800) memory_map[real_block]=((u_int)rdram-0x80000000)>>2;
- }
- else if(block>=0x80000&&block<0x80800) memory_map[block]=((u_int)rdram-0x80000000)>>2;
-#endif
#ifdef USE_MINI_HT
memset(mini_ht,-1,sizeof(mini_ht));
head=jump_dirty[vpage];
//printf("page=%d vpage=%d\n",page,vpage);
while(head!=NULL) {
- u_int start,end;
if(vpage>2047||(head->vaddr>>12)==block) { // Ignore vaddr hash collision
- get_bounds((int)head->addr,&start,&end);
- //printf("start: %x end: %x\n",start,end);
- if(page<2048&&start>=0x80000000&&end<0x80000000+RAM_SIZE) {
- if(((start-(u_int)rdram)>>12)<=page&&((end-1-(u_int)rdram)>>12)>=page) {
- if((((start-(u_int)rdram)>>12)&2047)<first) first=((start-(u_int)rdram)>>12)&2047;
- if((((end-1-(u_int)rdram)>>12)&2047)>last) last=((end-1-(u_int)rdram)>>12)&2047;
- }
- }
-#ifndef DISABLE_TLB
- if(page<2048&&(signed int)start>=(signed int)0xC0000000&&(signed int)end>=(signed int)0xC0000000) {
- if(((start+memory_map[start>>12]-(u_int)rdram)>>12)<=page&&((end-1+memory_map[(end-1)>>12]-(u_int)rdram)>>12)>=page) {
- if((((start+memory_map[start>>12]-(u_int)rdram)>>12)&2047)<first) first=((start+memory_map[start>>12]-(u_int)rdram)>>12)&2047;
- if((((end-1+memory_map[(end-1)>>12]-(u_int)rdram)>>12)&2047)>last) last=((end-1+memory_map[(end-1)>>12]-(u_int)rdram)>>12)&2047;
+ u_char *start, *end;
+ get_bounds(head->addr, &start, &end);
+ //printf("start: %p end: %p\n", start, end);
+ if (page < 2048 && start >= rdram && end < rdram+RAM_SIZE) {
+ if (((start-rdram)>>12) <= page && ((end-1-rdram)>>12) >= page) {
+ if ((((start-rdram)>>12)&2047) < first) first = ((start-rdram)>>12)&2047;
+ if ((((end-1-rdram)>>12)&2047) > last) last = ((end-1-rdram)>>12)&2047;
}
}
-#endif
}
head=head->next;
}
void invalidate_addr(u_int addr)
{
-#ifdef PCSX
//static int rhits;
// this check is done by the caller
//if (inv_code_start<=addr&&addr<=inv_code_end) { rhits++; return; }
if(page<2048) { // RAM
struct ll_entry *head;
u_int addr_min=~0, addr_max=0;
- int mask=RAM_SIZE-1;
+ u_int mask=RAM_SIZE-1;
+ u_int addr_main=0x80000000|(addr&mask);
int pg1;
- inv_code_start=addr&~0xfff;
- inv_code_end=addr|0xfff;
+ inv_code_start=addr_main&~0xfff;
+ inv_code_end=addr_main|0xfff;
pg1=page;
if (pg1>0) {
// must check previous page too because of spans..
}
for(;pg1<=page;pg1++) {
for(head=jump_dirty[pg1];head!=NULL;head=head->next) {
- u_int start,end;
- get_bounds((int)head->addr,&start,&end);
- if((start&mask)<=(addr&mask)&&(addr&mask)<(end&mask)) {
+ u_char *start_h, *end_h;
+ u_int start, end;
+ get_bounds(head->addr, &start_h, &end_h);
+ start = (uintptr_t)start_h - ram_offset;
+ end = (uintptr_t)end_h - ram_offset;
+ if(start<=addr_main&&addr_main<end) {
if(start<addr_min) addr_min=start;
if(end>addr_max) addr_max=end;
}
- else if(addr<start) {
+ else if(addr_main<start) {
if(start<inv_code_end)
inv_code_end=start-1;
}
return;
}
else {
+ inv_code_start=(addr&~mask)|(inv_code_start&mask);
+ inv_code_end=(addr&~mask)|(inv_code_end&mask);
inv_debug("INV ADDR: %08x miss, inv %08x-%08x, sk %d\n", addr, inv_code_start, inv_code_end, 0);
return;
}
}
-#endif
invalidate_block(addr>>12);
}
// Anything could have changed, so invalidate everything.
void invalidate_all_pages()
{
- u_int page,n;
+ u_int page;
for(page=0;page<4096;page++)
invalidate_page(page);
for(page=0;page<1048576;page++)
restore_candidate[(page&2047)>>3]|=1<<(page&7);
restore_candidate[((page&2047)>>3)+256]|=1<<(page&7);
}
- #ifdef __arm__
- __clear_cache((void *)BASE_ADDR,(void *)BASE_ADDR+(1<<TARGET_SIZE_2));
- #endif
#ifdef USE_MINI_HT
memset(mini_ht,-1,sizeof(mini_ht));
#endif
- #ifndef DISABLE_TLB
- // TLB
- for(page=0;page<0x100000;page++) {
- if(tlb_LUT_r[page]) {
- memory_map[page]=((tlb_LUT_r[page]&0xFFFFF000)-(page<<12)+(unsigned int)rdram-0x80000000)>>2;
- if(!tlb_LUT_w[page]||!invalid_code[page])
- memory_map[page]|=0x40000000; // Write protect
- }
- else memory_map[page]=-1;
- if(page==0x80000) page=0xC0000;
- }
- tlb_hacks();
- #endif
+}
+
+static void do_invstub(int n)
+{
+ literal_pool(20);
+ u_int reglist=stubs[n].a;
+ set_jump_target(stubs[n].addr, out);
+ save_regs(reglist);
+ if(stubs[n].b!=0) emit_mov(stubs[n].b,0);
+ emit_call(invalidate_addr);
+ restore_regs(reglist);
+ emit_jmp(stubs[n].retaddr); // return address
}
// Add an entry to jump_out after making a link
+// src should point to code by emit_extjump2()
void add_link(u_int vaddr,void *src)
{
u_int page=get_page(vaddr);
- inv_debug("add_link: %x -> %x (%d)\n",(int)src,vaddr,page);
- int *ptr=(int *)(src+4);
- assert((*ptr&0x0fff0000)==0x059f0000);
+ inv_debug("add_link: %p -> %x (%d)\n",src,vaddr,page);
+ check_extjump2(src);
ll_add(jump_out+page,vaddr,src);
- //int ptr=get_pointer(src);
- //inv_debug("add_link: Pointer is to %x\n",(int)ptr);
+ //void *ptr=get_pointer(src);
+ //inv_debug("add_link: Pointer is to %p\n",ptr);
}
// If a code block was found to be unmodified (bit was set in
while(head!=NULL) {
if(!invalid_code[head->vaddr>>12]) {
// Don't restore blocks which are about to expire from the cache
- if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) {
- u_int start,end;
- if(verify_dirty((int)head->addr)) {
- //printf("Possibly Restore %x (%x)\n",head->vaddr, (int)head->addr);
+ if (doesnt_expire_soon(head->addr)) {
+ if(verify_dirty(head->addr)) {
+ u_char *start, *end;
+ //printf("Possibly Restore %x (%p)\n",head->vaddr, head->addr);
u_int i;
u_int inv=0;
- get_bounds((int)head->addr,&start,&end);
- if(start-(u_int)rdram<RAM_SIZE) {
- for(i=(start-(u_int)rdram+0x80000000)>>12;i<=(end-1-(u_int)rdram+0x80000000)>>12;i++) {
+ get_bounds(head->addr, &start, &end);
+ if (start - rdram < RAM_SIZE) {
+ for (i = (start-rdram+0x80000000)>>12; i <= (end-1-rdram+0x80000000)>>12; i++) {
inv|=invalid_code[i];
}
}
-#ifndef DISABLE_TLB
- if((signed int)head->vaddr>=(signed int)0xC0000000) {
- u_int addr = (head->vaddr+(memory_map[head->vaddr>>12]<<2));
- //printf("addr=%x start=%x end=%x\n",addr,start,end);
- if(addr<start||addr>=end) inv=1;
- }
-#endif
else if((signed int)head->vaddr>=(signed int)0x80000000+RAM_SIZE) {
inv=1;
}
if(!inv) {
- void * clean_addr=(void *)get_clean_addr((int)head->addr);
- if((((u_int)clean_addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) {
+ void *clean_addr = get_clean_addr(head->addr);
+ if (doesnt_expire_soon(clean_addr)) {
u_int ppage=page;
-#ifndef DISABLE_TLB
- if(page<2048&&tlb_LUT_r[head->vaddr>>12]) ppage=(tlb_LUT_r[head->vaddr>>12]^0x80000000)>>12;
-#endif
- inv_debug("INV: Restored %x (%x/%x)\n",head->vaddr, (int)head->addr, (int)clean_addr);
+ inv_debug("INV: Restored %x (%p/%p)\n",head->vaddr, head->addr, clean_addr);
//printf("page=%x, addr=%x\n",page,head->vaddr);
//assert(head->vaddr>>12==(page|0x80000));
- ll_add_32(jump_in+ppage,head->vaddr,head->reg32,clean_addr);
- int *ht_bin=hash_table[((head->vaddr>>16)^head->vaddr)&0xFFFF];
- if(!head->reg32) {
- if(ht_bin[0]==head->vaddr) {
- ht_bin[1]=(int)clean_addr; // Replace existing entry
- }
- if(ht_bin[2]==head->vaddr) {
- ht_bin[3]=(int)clean_addr; // Replace existing entry
- }
- }
+ ll_add_flags(jump_in+ppage,head->vaddr,head->reg_sv_flags,clean_addr);
+ struct ht_entry *ht_bin = hash_table_get(head->vaddr);
+ if (ht_bin->vaddr[0] == head->vaddr)
+ ht_bin->tcaddr[0] = clean_addr; // Replace existing entry
+ if (ht_bin->vaddr[1] == head->vaddr)
+ ht_bin->tcaddr[1] = clean_addr; // Replace existing entry
}
}
}
}
}
+/* Register allocation */
-void mov_alloc(struct regstat *current,int i)
+// Note: registers are allocated clean (unmodified state)
+// if you intend to modify the register, you must call dirty_reg().
+static void alloc_reg(struct regstat *cur,int i,signed char reg)
{
- // Note: Don't need to actually alloc the source registers
- if((~current->is32>>rs1[i])&1) {
- //alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rt1[i]);
- current->is32&=~(1LL<<rt1[i]);
- } else {
- //alloc_reg(current,i,rs1[i]);
- alloc_reg(current,i,rt1[i]);
- current->is32|=(1LL<<rt1[i]);
- }
- clear_const(current,rs1[i]);
- clear_const(current,rt1[i]);
- dirty_reg(current,rt1[i]);
-}
+ int r,hr;
+ int preferred_reg = (reg&7);
+ if(reg==CCREG) preferred_reg=HOST_CCREG;
+ if(reg==PTEMP||reg==FTEMP) preferred_reg=12;
-void shiftimm_alloc(struct regstat *current,int i)
-{
- if(opcode2[i]<=0x3) // SLL/SRL/SRA
- {
- if(rt1[i]) {
- if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]);
- else lt1[i]=rs1[i];
- alloc_reg(current,i,rt1[i]);
- current->is32|=1LL<<rt1[i];
- dirty_reg(current,rt1[i]);
- if(is_const(current,rs1[i])) {
- int v=get_const(current,rs1[i]);
- if(opcode2[i]==0x00) set_const(current,rt1[i],v<<imm[i]);
- if(opcode2[i]==0x02) set_const(current,rt1[i],(u_int)v>>imm[i]);
- if(opcode2[i]==0x03) set_const(current,rt1[i],v>>imm[i]);
- }
- else clear_const(current,rt1[i]);
- }
- }
- else
- {
- clear_const(current,rs1[i]);
- clear_const(current,rt1[i]);
- }
+ // Don't allocate unused registers
+ if((cur->u>>reg)&1) return;
- if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA
+ // see if it's already allocated
+ for(hr=0;hr<HOST_REGS;hr++)
{
- if(rt1[i]) {
- if(rs1[i]) alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rt1[i]);
- current->is32&=~(1LL<<rt1[i]);
- dirty_reg(current,rt1[i]);
- }
- }
- if(opcode2[i]==0x3c) // DSLL32
+ if(cur->regmap[hr]==reg) return;
+ }
+
+ // Keep the same mapping if the register was already allocated in a loop
+ preferred_reg = loop_reg(i,reg,preferred_reg);
+
+ // Try to allocate the preferred register
+ if(cur->regmap[preferred_reg]==-1) {
+ cur->regmap[preferred_reg]=reg;
+ cur->dirty&=~(1<<preferred_reg);
+ cur->isconst&=~(1<<preferred_reg);
+ return;
+ }
+ r=cur->regmap[preferred_reg];
+ assert(r < 64);
+ if((cur->u>>r)&1) {
+ cur->regmap[preferred_reg]=reg;
+ cur->dirty&=~(1<<preferred_reg);
+ cur->isconst&=~(1<<preferred_reg);
+ return;
+ }
+
+ // Clear any unneeded registers
+ // We try to keep the mapping consistent, if possible, because it
+ // makes branches easier (especially loops). So we try to allocate
+ // first (see above) before removing old mappings. If this is not
+ // possible then go ahead and clear out the registers that are no
+ // longer needed.
+ for(hr=0;hr<HOST_REGS;hr++)
{
- if(rt1[i]) {
- if(rs1[i]) alloc_reg(current,i,rs1[i]);
- alloc_reg64(current,i,rt1[i]);
- current->is32&=~(1LL<<rt1[i]);
- dirty_reg(current,rt1[i]);
+ r=cur->regmap[hr];
+ if(r>=0) {
+ assert(r < 64);
+ if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;}
}
}
- if(opcode2[i]==0x3e) // DSRL32
- {
- if(rt1[i]) {
- alloc_reg64(current,i,rs1[i]);
- if(imm[i]==32) {
- alloc_reg64(current,i,rt1[i]);
- current->is32&=~(1LL<<rt1[i]);
- } else {
- alloc_reg(current,i,rt1[i]);
- current->is32|=1LL<<rt1[i];
+ // Try to allocate any available register, but prefer
+ // registers that have not been used recently.
+ if(i>0) {
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
+ if(regs[i-1].regmap[hr]!=rs1[i-1]&®s[i-1].regmap[hr]!=rs2[i-1]&®s[i-1].regmap[hr]!=rt1[i-1]&®s[i-1].regmap[hr]!=rt2[i-1]) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
}
- dirty_reg(current,rt1[i]);
}
}
- if(opcode2[i]==0x3f) // DSRA32
- {
- if(rt1[i]) {
- alloc_reg64(current,i,rs1[i]);
- alloc_reg(current,i,rt1[i]);
- current->is32|=1LL<<rt1[i];
- dirty_reg(current,rt1[i]);
+ // Try to allocate any available register
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
}
}
-}
-void shift_alloc(struct regstat *current,int i)
-{
- if(rt1[i]) {
- if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV
+ // Ok, now we have to evict someone
+ // Pick a register we hopefully won't need soon
+ u_char hsn[MAXREG+1];
+ memset(hsn,10,sizeof(hsn));
+ int j;
+ lsn(hsn,i,&preferred_reg);
+ //printf("eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",cur->regmap[0],cur->regmap[1],cur->regmap[2],cur->regmap[3],cur->regmap[5],cur->regmap[6],cur->regmap[7]);
+ //printf("hsn(%x): %d %d %d %d %d %d %d\n",start+i*4,hsn[cur->regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]);
+ if(i>0) {
+ // Don't evict the cycle count at entry points, otherwise the entry
+ // stub will have to write it.
+ if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
+ if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP)) hsn[CCREG]=2;
+ for(j=10;j>=3;j--)
{
- if(rs1[i]) alloc_reg(current,i,rs1[i]);
- if(rs2[i]) alloc_reg(current,i,rs2[i]);
- alloc_reg(current,i,rt1[i]);
- if(rt1[i]==rs2[i]) {
- alloc_reg_temp(current,i,-1);
- minimum_free_regs[i]=1;
+ // Alloc preferred register if available
+ if(hsn[r=cur->regmap[preferred_reg]&63]==j) {
+ for(hr=0;hr<HOST_REGS;hr++) {
+ // Evict both parts of a 64-bit register
+ if((cur->regmap[hr]&63)==r) {
+ cur->regmap[hr]=-1;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ }
+ }
+ cur->regmap[preferred_reg]=reg;
+ return;
}
- current->is32|=1LL<<rt1[i];
- } else { // DSLLV/DSRLV/DSRAV
- if(rs1[i]) alloc_reg64(current,i,rs1[i]);
- if(rs2[i]) alloc_reg(current,i,rs2[i]);
- alloc_reg64(current,i,rt1[i]);
- current->is32&=~(1LL<<rt1[i]);
- if(opcode2[i]==0x16||opcode2[i]==0x17) // DSRLV and DSRAV need a temporary register
+ for(r=1;r<=MAXREG;r++)
+ {
+ if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(hr!=HOST_CCREG||j<hsn[CCREG]) {
+ if(cur->regmap[hr]==r) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ for(j=10;j>=0;j--)
+ {
+ for(r=1;r<=MAXREG;r++)
+ {
+ if(hsn[r]==j) {
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(cur->regmap[hr]==r) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
+ }
+ }
+ }
+ }
+ SysPrintf("This shouldn't happen (alloc_reg)");abort();
+}
+
+// Allocate a temporary register. This is done without regard to
+// dirty status or whether the register we request is on the unneeded list
+// Note: This will only allocate one register, even if called multiple times
+static void alloc_reg_temp(struct regstat *cur,int i,signed char reg)
+{
+ int r,hr;
+ int preferred_reg = -1;
+
+ // see if it's already allocated
+ for(hr=0;hr<HOST_REGS;hr++)
+ {
+ if(hr!=EXCLUDE_REG&&cur->regmap[hr]==reg) return;
+ }
+
+ // Try to allocate any available register
+ for(hr=HOST_REGS-1;hr>=0;hr--) {
+ if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
+ }
+
+ // Find an unneeded register
+ for(hr=HOST_REGS-1;hr>=0;hr--)
+ {
+ r=cur->regmap[hr];
+ if(r>=0) {
+ assert(r < 64);
+ if((cur->u>>r)&1) {
+ if(i==0||((unneeded_reg[i-1]>>r)&1)) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
+ }
+ }
+ }
+
+ // Ok, now we have to evict someone
+ // Pick a register we hopefully won't need soon
+ // TODO: we might want to follow unconditional jumps here
+ // TODO: get rid of dupe code and make this into a function
+ u_char hsn[MAXREG+1];
+ memset(hsn,10,sizeof(hsn));
+ int j;
+ lsn(hsn,i,&preferred_reg);
+ //printf("hsn: %d %d %d %d %d %d %d\n",hsn[cur->regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]);
+ if(i>0) {
+ // Don't evict the cycle count at entry points, otherwise the entry
+ // stub will have to write it.
+ if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2;
+ if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP)) hsn[CCREG]=2;
+ for(j=10;j>=3;j--)
+ {
+ for(r=1;r<=MAXREG;r++)
{
+ if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) {
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(hr!=HOST_CCREG||hsn[CCREG]>2) {
+ if(cur->regmap[hr]==r) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ for(j=10;j>=0;j--)
+ {
+ for(r=1;r<=MAXREG;r++)
+ {
+ if(hsn[r]==j) {
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(cur->regmap[hr]==r) {
+ cur->regmap[hr]=reg;
+ cur->dirty&=~(1<<hr);
+ cur->isconst&=~(1<<hr);
+ return;
+ }
+ }
+ }
+ }
+ }
+ SysPrintf("This shouldn't happen");abort();
+}
+
+static void mov_alloc(struct regstat *current,int i)
+{
+ // Note: Don't need to actually alloc the source registers
+ //alloc_reg(current,i,rs1[i]);
+ alloc_reg(current,i,rt1[i]);
+
+ clear_const(current,rs1[i]);
+ clear_const(current,rt1[i]);
+ dirty_reg(current,rt1[i]);
+}
+
+static void shiftimm_alloc(struct regstat *current,int i)
+{
+ if(opcode2[i]<=0x3) // SLL/SRL/SRA
+ {
+ if(rt1[i]) {
+ if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]);
+ else lt1[i]=rs1[i];
+ alloc_reg(current,i,rt1[i]);
+ dirty_reg(current,rt1[i]);
+ if(is_const(current,rs1[i])) {
+ int v=get_const(current,rs1[i]);
+ if(opcode2[i]==0x00) set_const(current,rt1[i],v<<imm[i]);
+ if(opcode2[i]==0x02) set_const(current,rt1[i],(u_int)v>>imm[i]);
+ if(opcode2[i]==0x03) set_const(current,rt1[i],v>>imm[i]);
+ }
+ else clear_const(current,rt1[i]);
+ }
+ }
+ else
+ {
+ clear_const(current,rs1[i]);
+ clear_const(current,rt1[i]);
+ }
+
+ if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA
+ {
+ assert(0);
+ }
+ if(opcode2[i]==0x3c) // DSLL32
+ {
+ assert(0);
+ }
+ if(opcode2[i]==0x3e) // DSRL32
+ {
+ assert(0);
+ }
+ if(opcode2[i]==0x3f) // DSRA32
+ {
+ assert(0);
+ }
+}
+
+static void shift_alloc(struct regstat *current,int i)
+{
+ if(rt1[i]) {
+ if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV
+ {
+ if(rs1[i]) alloc_reg(current,i,rs1[i]);
+ if(rs2[i]) alloc_reg(current,i,rs2[i]);
+ alloc_reg(current,i,rt1[i]);
+ if(rt1[i]==rs2[i]) {
alloc_reg_temp(current,i,-1);
minimum_free_regs[i]=1;
}
+ } else { // DSLLV/DSRLV/DSRAV
+ assert(0);
}
clear_const(current,rs1[i]);
clear_const(current,rs2[i]);
}
}
-void alu_alloc(struct regstat *current,int i)
+static void alu_alloc(struct regstat *current,int i)
{
if(opcode2[i]>=0x20&&opcode2[i]<=0x23) { // ADD/ADDU/SUB/SUBU
if(rt1[i]) {
}
alloc_reg(current,i,rt1[i]);
}
- current->is32|=1LL<<rt1[i];
}
if(opcode2[i]==0x2a||opcode2[i]==0x2b) { // SLT/SLTU
if(rt1[i]) {
- if(!((current->is32>>rs1[i])&(current->is32>>rs2[i])&1))
- {
- alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rs2[i]);
- alloc_reg(current,i,rt1[i]);
- } else {
- alloc_reg(current,i,rs1[i]);
- alloc_reg(current,i,rs2[i]);
- alloc_reg(current,i,rt1[i]);
- }
+ alloc_reg(current,i,rs1[i]);
+ alloc_reg(current,i,rs2[i]);
+ alloc_reg(current,i,rt1[i]);
}
- current->is32|=1LL<<rt1[i];
}
if(opcode2[i]>=0x24&&opcode2[i]<=0x27) { // AND/OR/XOR/NOR
if(rt1[i]) {
if(rs2[i]&&needed_again(rs2[i],i)) alloc_reg(current,i,rs2[i]);
}
alloc_reg(current,i,rt1[i]);
- if(!((current->is32>>rs1[i])&(current->is32>>rs2[i])&1))
- {
- if(!((current->uu>>rt1[i])&1)) {
- alloc_reg64(current,i,rt1[i]);
- }
- if(get_reg(current->regmap,rt1[i]|64)>=0) {
- if(rs1[i]&&rs2[i]) {
- alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rs2[i]);
- }
- else
- {
- // Is is really worth it to keep 64-bit values in registers?
- #ifdef NATIVE_64BIT
- if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg64(current,i,rs1[i]);
- if(rs2[i]&&needed_again(rs2[i],i)) alloc_reg64(current,i,rs2[i]);
- #endif
- }
- }
- current->is32&=~(1LL<<rt1[i]);
- } else {
- current->is32|=1LL<<rt1[i];
- }
}
}
if(opcode2[i]>=0x2c&&opcode2[i]<=0x2f) { // DADD/DADDU/DSUB/DSUBU
- if(rt1[i]) {
- if(rs1[i]&&rs2[i]) {
- if(!((current->uu>>rt1[i])&1)||get_reg(current->regmap,rt1[i]|64)>=0) {
- alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rs2[i]);
- alloc_reg64(current,i,rt1[i]);
- } else {
- alloc_reg(current,i,rs1[i]);
- alloc_reg(current,i,rs2[i]);
- alloc_reg(current,i,rt1[i]);
- }
- }
- else {
- alloc_reg(current,i,rt1[i]);
- if(!((current->uu>>rt1[i])&1)||get_reg(current->regmap,rt1[i]|64)>=0) {
- // DADD used as move, or zeroing
- // If we have a 64-bit source, then make the target 64 bits too
- if(rs1[i]&&!((current->is32>>rs1[i])&1)) {
- if(get_reg(current->regmap,rs1[i])>=0) alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rt1[i]);
- } else if(rs2[i]&&!((current->is32>>rs2[i])&1)) {
- if(get_reg(current->regmap,rs2[i])>=0) alloc_reg64(current,i,rs2[i]);
- alloc_reg64(current,i,rt1[i]);
- }
- if(opcode2[i]>=0x2e&&rs2[i]) {
- // DSUB used as negation - 64-bit result
- // If we have a 32-bit register, extend it to 64 bits
- if(get_reg(current->regmap,rs2[i])>=0) alloc_reg64(current,i,rs2[i]);
- alloc_reg64(current,i,rt1[i]);
- }
- }
- }
- if(rs1[i]&&rs2[i]) {
- current->is32&=~(1LL<<rt1[i]);
- } else if(rs1[i]) {
- current->is32&=~(1LL<<rt1[i]);
- if((current->is32>>rs1[i])&1)
- current->is32|=1LL<<rt1[i];
- } else if(rs2[i]) {
- current->is32&=~(1LL<<rt1[i]);
- if((current->is32>>rs2[i])&1)
- current->is32|=1LL<<rt1[i];
- } else {
- current->is32|=1LL<<rt1[i];
- }
- }
+ assert(0);
}
clear_const(current,rs1[i]);
clear_const(current,rs2[i]);
dirty_reg(current,rt1[i]);
}
-void imm16_alloc(struct regstat *current,int i)
+static void imm16_alloc(struct regstat *current,int i)
{
if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]);
else lt1[i]=rs1[i];
if(rt1[i]) alloc_reg(current,i,rt1[i]);
if(opcode[i]==0x18||opcode[i]==0x19) { // DADDI/DADDIU
- current->is32&=~(1LL<<rt1[i]);
- if(!((current->uu>>rt1[i])&1)||get_reg(current->regmap,rt1[i]|64)>=0) {
- // TODO: Could preserve the 32-bit flag if the immediate is zero
- alloc_reg64(current,i,rt1[i]);
- alloc_reg64(current,i,rs1[i]);
- }
- clear_const(current,rs1[i]);
- clear_const(current,rt1[i]);
+ assert(0);
}
else if(opcode[i]==0x0a||opcode[i]==0x0b) { // SLTI/SLTIU
- if((~current->is32>>rs1[i])&1) alloc_reg64(current,i,rs1[i]);
- current->is32|=1LL<<rt1[i];
clear_const(current,rs1[i]);
clear_const(current,rt1[i]);
}
else if(opcode[i]>=0x0c&&opcode[i]<=0x0e) { // ANDI/ORI/XORI
- if(((~current->is32>>rs1[i])&1)&&opcode[i]>0x0c) {
- if(rs1[i]!=rt1[i]) {
- if(needed_again(rs1[i],i)) alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rt1[i]);
- current->is32&=~(1LL<<rt1[i]);
- }
- }
- else current->is32|=1LL<<rt1[i]; // ANDI clears upper bits
if(is_const(current,rs1[i])) {
int v=get_const(current,rs1[i]);
if(opcode[i]==0x0c) set_const(current,rt1[i],v&imm[i]);
set_const(current,rt1[i],v+imm[i]);
}
else clear_const(current,rt1[i]);
- current->is32|=1LL<<rt1[i];
}
else {
set_const(current,rt1[i],((long long)((short)imm[i]))<<16); // LUI
- current->is32|=1LL<<rt1[i];
}
dirty_reg(current,rt1[i]);
}
-void load_alloc(struct regstat *current,int i)
+static void load_alloc(struct regstat *current,int i)
{
clear_const(current,rt1[i]);
//if(rs1[i]!=rt1[i]&&needed_again(rs1[i],i)) clear_const(current,rs1[i]); // Does this help or hurt?
assert(get_reg(current->regmap,rt1[i])>=0);
if(opcode[i]==0x27||opcode[i]==0x37) // LWU/LD
{
- current->is32&=~(1LL<<rt1[i]);
- alloc_reg64(current,i,rt1[i]);
+ assert(0);
}
else if(opcode[i]==0x1A||opcode[i]==0x1B) // LDL/LDR
{
- current->is32&=~(1LL<<rt1[i]);
- alloc_reg64(current,i,rt1[i]);
- alloc_all(current,i);
- alloc_reg64(current,i,FTEMP);
- minimum_free_regs[i]=HOST_REGS;
+ assert(0);
}
- else current->is32|=1LL<<rt1[i];
dirty_reg(current,rt1[i]);
- // If using TLB, need a register for pointer to the mapping table
- if(using_tlb) alloc_reg(current,i,TLREG);
// LWL/LWR need a temporary register for the old value
if(opcode[i]==0x22||opcode[i]==0x26)
{
{
alloc_reg(current,i,FTEMP); // LWL/LWR need another temporary
}
- // If using TLB, need a register for pointer to the mapping table
- if(using_tlb) alloc_reg(current,i,TLREG);
alloc_reg_temp(current,i,-1);
minimum_free_regs[i]=1;
if(opcode[i]==0x1A||opcode[i]==0x1B) // LDL/LDR
{
- alloc_all(current,i);
- alloc_reg64(current,i,FTEMP);
- minimum_free_regs[i]=HOST_REGS;
+ assert(0);
}
}
}
if(needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]);
alloc_reg(current,i,rs2[i]);
if(opcode[i]==0x2c||opcode[i]==0x2d||opcode[i]==0x3f) { // 64-bit SDL/SDR/SD
- alloc_reg64(current,i,rs2[i]);
- if(rs2[i]) alloc_reg(current,i,FTEMP);
+ assert(0);
}
- // If using TLB, need a register for pointer to the mapping table
- if(using_tlb) alloc_reg(current,i,TLREG);
#if defined(HOST_IMM8)
// On CPUs without 32-bit immediates we need a pointer to invalid_code
else alloc_reg(current,i,INVCP);
alloc_reg(current,i,CSREG); // Status
alloc_reg(current,i,FTEMP);
if(opcode[i]==0x35||opcode[i]==0x3d) { // 64-bit LDC1/SDC1
- alloc_reg64(current,i,FTEMP);
+ assert(0);
}
- // If using TLB, need a register for pointer to the mapping table
- if(using_tlb) alloc_reg(current,i,TLREG);
#if defined(HOST_IMM8)
// On CPUs without 32-bit immediates we need a pointer to invalid_code
else if((opcode[i]&0x3b)==0x39) // SWC1/SDC1
clear_const(current,rt1[i]);
if(needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]);
alloc_reg(current,i,FTEMP);
- // If using TLB, need a register for pointer to the mapping table
- if(using_tlb) alloc_reg(current,i,TLREG);
#if defined(HOST_IMM8)
// On CPUs without 32-bit immediates we need a pointer to invalid_code
- else if((opcode[i]&0x3b)==0x3a) // SWC2/SDC2
+ if((opcode[i]&0x3b)==0x3a) // SWC2/SDC2
alloc_reg(current,i,INVCP);
#endif
// We need a temporary register for address generation
alloc_reg(current,i,LOREG);
alloc_reg(current,i,rs1[i]);
alloc_reg(current,i,rs2[i]);
- current->is32|=1LL<<HIREG;
- current->is32|=1LL<<LOREG;
dirty_reg(current,HIREG);
dirty_reg(current,LOREG);
}
else // 64-bit
{
- current->u&=~(1LL<<HIREG);
- current->u&=~(1LL<<LOREG);
- current->uu&=~(1LL<<HIREG);
- current->uu&=~(1LL<<LOREG);
- alloc_reg64(current,i,HIREG);
- //if(HOST_REGS>10) alloc_reg64(current,i,LOREG);
- alloc_reg64(current,i,rs1[i]);
- alloc_reg64(current,i,rs2[i]);
- alloc_all(current,i);
- current->is32&=~(1LL<<HIREG);
- current->is32&=~(1LL<<LOREG);
- dirty_reg(current,HIREG);
- dirty_reg(current,LOREG);
- minimum_free_regs[i]=HOST_REGS;
+ assert(0);
}
}
else
// The result is undefined, we return zero.
alloc_reg(current,i,HIREG);
alloc_reg(current,i,LOREG);
- current->is32|=1LL<<HIREG;
- current->is32|=1LL<<LOREG;
dirty_reg(current,HIREG);
dirty_reg(current,LOREG);
}
clear_const(current,rt1[i]);
alloc_all(current,i);
alloc_reg(current,i,rt1[i]);
- current->is32|=1LL<<rt1[i];
dirty_reg(current,rt1[i]);
}
}
minimum_free_regs[i]=HOST_REGS;
}
-void cop1_alloc(struct regstat *current,int i)
+static void cop12_alloc(struct regstat *current,int i)
{
alloc_reg(current,i,CSREG); // Load status
- if(opcode2[i]<3) // MFC1/DMFC1/CFC1
+ if(opcode2[i]<3) // MFC1/CFC1
{
if(rt1[i]){
clear_const(current,rt1[i]);
- if(opcode2[i]==1) {
- alloc_reg64(current,i,rt1[i]); // DMFC1
- current->is32&=~(1LL<<rt1[i]);
- }else{
- alloc_reg(current,i,rt1[i]); // MFC1/CFC1
- current->is32|=1LL<<rt1[i];
- }
+ alloc_reg(current,i,rt1[i]);
dirty_reg(current,rt1[i]);
}
alloc_reg_temp(current,i,-1);
}
- else if(opcode2[i]>3) // MTC1/DMTC1/CTC1
+ else if(opcode2[i]>3) // MTC1/CTC1
{
if(rs1[i]){
clear_const(current,rs1[i]);
- if(opcode2[i]==5)
- alloc_reg64(current,i,rs1[i]); // DMTC1
- else
- alloc_reg(current,i,rs1[i]); // MTC1/CTC1
- alloc_reg_temp(current,i,-1);
+ alloc_reg(current,i,rs1[i]);
}
else {
current->u&=~1LL;
alloc_reg(current,i,0);
- alloc_reg_temp(current,i,-1);
}
+ alloc_reg_temp(current,i,-1);
}
minimum_free_regs[i]=1;
}
-void fconv_alloc(struct regstat *current,int i)
-{
- alloc_reg(current,i,CSREG); // Load status
- alloc_reg_temp(current,i,-1);
- minimum_free_regs[i]=1;
-}
-void float_alloc(struct regstat *current,int i)
-{
- alloc_reg(current,i,CSREG); // Load status
- alloc_reg_temp(current,i,-1);
- minimum_free_regs[i]=1;
-}
+
void c2op_alloc(struct regstat *current,int i)
{
alloc_reg_temp(current,i,-1);
}
-void fcomp_alloc(struct regstat *current,int i)
-{
- alloc_reg(current,i,CSREG); // Load status
- alloc_reg(current,i,FSREG); // Load flags
- dirty_reg(current,FSREG); // Flag will be modified
- alloc_reg_temp(current,i,-1);
- minimum_free_regs[i]=1;
-}
void syscall_alloc(struct regstat *current,int i)
{
case CJUMP:
case SJUMP:
case RJUMP:
- case FJUMP:
case SYSCALL:
case HLECALL:
case SPAN:
- assem_debug("jump in the delay slot. this shouldn't happen.\n");//exit(1);
- printf("Disabled speculative precompilation\n");
+ assem_debug("jump in the delay slot. this shouldn't happen.\n");//abort();
+ SysPrintf("Disabled speculative precompilation\n");
stop_after_jal=1;
break;
case IMM16:
break;
case COP1:
case COP2:
- cop1_alloc(current,i);
+ cop12_alloc(current,i);
break;
case C1LS:
c1ls_alloc(current,i);
case C2LS:
c2ls_alloc(current,i);
break;
- case FCONV:
- fconv_alloc(current,i);
- break;
- case FLOAT:
- float_alloc(current,i);
- break;
- case FCOMP:
- fcomp_alloc(current,i);
- break;
case C2OP:
c2op_alloc(current,i);
break;
{
if(rs1[i]) alloc_reg(current,i,rs1[i]);
if(rs2[i]) alloc_reg(current,i,rs2[i]);
- if(!((current->is32>>rs1[i])&(current->is32>>rs2[i])&1))
- {
- if(rs1[i]) alloc_reg64(current,i,rs1[i]);
- if(rs2[i]) alloc_reg64(current,i,rs2[i]);
- }
}
else
if((opcode[i]&0x2E)==6) // BLEZ/BGTZ/BLEZL/BGTZL
{
if(rs1[i]) alloc_reg(current,i,rs1[i]);
- if(!((current->is32>>rs1[i])&1))
- {
- if(rs1[i]) alloc_reg64(current,i,rs1[i]);
- }
- }
- else
- if(opcode[i]==0x11) // BC1
- {
- alloc_reg(current,i,FSREG);
- alloc_reg(current,i,CSREG);
}
//else ...
}
-add_stub(int type,int addr,int retaddr,int a,int b,int c,int d,int e)
+static void add_stub(enum stub_type type, void *addr, void *retaddr,
+ u_int a, uintptr_t b, uintptr_t c, u_int d, u_int e)
{
- stubs[stubcount][0]=type;
- stubs[stubcount][1]=addr;
- stubs[stubcount][2]=retaddr;
- stubs[stubcount][3]=a;
- stubs[stubcount][4]=b;
- stubs[stubcount][5]=c;
- stubs[stubcount][6]=d;
- stubs[stubcount][7]=e;
+ assert(stubcount < ARRAY_SIZE(stubs));
+ stubs[stubcount].type = type;
+ stubs[stubcount].addr = addr;
+ stubs[stubcount].retaddr = retaddr;
+ stubs[stubcount].a = a;
+ stubs[stubcount].b = b;
+ stubs[stubcount].c = c;
+ stubs[stubcount].d = d;
+ stubs[stubcount].e = e;
stubcount++;
}
+static void add_stub_r(enum stub_type type, void *addr, void *retaddr,
+ int i, int addr_reg, struct regstat *i_regs, int ccadj, u_int reglist)
+{
+ add_stub(type, addr, retaddr, i, addr_reg, (uintptr_t)i_regs, ccadj, reglist);
+}
+
// Write out a single register
-void wb_register(signed char r,signed char regmap[],uint64_t dirty,uint64_t is32)
+static void wb_register(signed char r,signed char regmap[],uint64_t dirty)
{
int hr;
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG) {
if((regmap[hr]&63)==r) {
if((dirty>>hr)&1) {
- if(regmap[hr]<64) {
- emit_storereg(r,hr);
-#ifndef FORCE32
- if((is32>>regmap[hr])&1) {
- emit_sarimm(hr,31,hr);
- emit_storereg(r|64,hr);
- }
-#endif
- }else{
- emit_storereg(r|64,hr);
- }
+ assert(regmap[hr]<64);
+ emit_storereg(r,hr);
}
}
}
}
}
-int mchecksum()
+static void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int dirty,uint64_t u)
{
- //if(!tracedebug) return 0;
- int i;
- int sum=0;
- for(i=0;i<2097152;i++) {
- unsigned int temp=sum;
- sum<<=1;
- sum|=(~temp)>>31;
- sum^=((u_int *)rdram)[i];
+ //if(dirty_pre==dirty) return;
+ int hr,reg;
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(hr!=EXCLUDE_REG) {
+ reg=pre[hr];
+ if(((~u)>>(reg&63))&1) {
+ if(reg>0) {
+ if(((dirty_pre&~dirty)>>hr)&1) {
+ if(reg>0&®<34) {
+ emit_storereg(reg,hr);
+ }
+ else if(reg>=64) {
+ assert(0);
+ }
+ }
+ }
+ }
+ }
}
- return sum;
-}
-int rchecksum()
-{
- int i;
- int sum=0;
- for(i=0;i<64;i++)
- sum^=((u_int *)reg)[i];
- return sum;
-}
-void rlist()
-{
- int i;
- printf("TRACE: ");
- for(i=0;i<32;i++)
- printf("r%d:%8x%8x ",i,((int *)(reg+i))[1],((int *)(reg+i))[0]);
- printf("\n");
-#ifndef DISABLE_COP1
- printf("TRACE: ");
- for(i=0;i<32;i++)
- printf("f%d:%8x%8x ",i,((int*)reg_cop1_simple[i])[1],*((int*)reg_cop1_simple[i]));
- printf("\n");
-#endif
}
-void enabletrace()
+// trashes r2
+static void pass_args(int a0, int a1)
{
- tracedebug=1;
-}
-
-void memdebug(int i)
-{
- //printf("TRACE: count=%d next=%d (checksum %x) lo=%8x%8x\n",Count,next_interupt,mchecksum(),(int)(reg[LOREG]>>32),(int)reg[LOREG]);
- //printf("TRACE: count=%d next=%d (rchecksum %x)\n",Count,next_interupt,rchecksum());
- //rlist();
- //if(tracedebug) {
- //if(Count>=-2084597794) {
- if((signed int)Count>=-2084597794&&(signed int)Count<0) {
- //if(0) {
- printf("TRACE: count=%d next=%d (checksum %x)\n",Count,next_interupt,mchecksum());
- //printf("TRACE: count=%d next=%d (checksum %x) Status=%x\n",Count,next_interupt,mchecksum(),Status);
- //printf("TRACE: count=%d next=%d (checksum %x) hi=%8x%8x\n",Count,next_interupt,mchecksum(),(int)(reg[HIREG]>>32),(int)reg[HIREG]);
- rlist();
- #ifdef __i386__
- printf("TRACE: %x\n",(&i)[-1]);
- #endif
- #ifdef __arm__
- int j;
- printf("TRACE: %x \n",(&j)[10]);
- printf("TRACE: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x\n",(&j)[1],(&j)[2],(&j)[3],(&j)[4],(&j)[5],(&j)[6],(&j)[7],(&j)[8],(&j)[9],(&j)[10],(&j)[11],(&j)[12],(&j)[13],(&j)[14],(&j)[15],(&j)[16],(&j)[17],(&j)[18],(&j)[19],(&j)[20]);
- #endif
- //fflush(stdout);
+ if(a0==1&&a1==0) {
+ // must swap
+ emit_mov(a0,2); emit_mov(a1,1); emit_mov(2,0);
+ }
+ else if(a0!=0&&a1==0) {
+ emit_mov(a1,1);
+ if (a0>=0) emit_mov(a0,0);
+ }
+ else {
+ if(a0>=0&&a0!=0) emit_mov(a0,0);
+ if(a1>=0&&a1!=1) emit_mov(a1,1);
}
- //printf("TRACE: %x\n",(&i)[-1]);
-}
-
-void tlb_debug(u_int cause, u_int addr, u_int iaddr)
-{
- printf("TLB Exception: instruction=%x addr=%x cause=%x\n",iaddr, addr, cause);
}
-void alu_assemble(int i,struct regstat *i_regs)
+static void alu_assemble(int i,struct regstat *i_regs)
{
if(opcode2[i]>=0x20&&opcode2[i]<=0x23) { // ADD/ADDU/SUB/SUBU
if(rt1[i]) {
}
}
if(opcode2[i]>=0x2c&&opcode2[i]<=0x2f) { // DADD/DADDU/DSUB/DSUBU
+ assert(0);
+ }
+ if(opcode2[i]==0x2a||opcode2[i]==0x2b) { // SLT/SLTU
if(rt1[i]) {
- signed char s1l,s2l,s1h,s2h,tl,th;
- tl=get_reg(i_regs->regmap,rt1[i]);
- th=get_reg(i_regs->regmap,rt1[i]|64);
- if(tl>=0) {
- s1l=get_reg(i_regs->regmap,rs1[i]);
- s2l=get_reg(i_regs->regmap,rs2[i]);
- s1h=get_reg(i_regs->regmap,rs1[i]|64);
- s2h=get_reg(i_regs->regmap,rs2[i]|64);
- if(rs1[i]&&rs2[i]) {
- assert(s1l>=0);
- assert(s2l>=0);
- if(opcode2[i]&2) emit_subs(s1l,s2l,tl);
- else emit_adds(s1l,s2l,tl);
- if(th>=0) {
- #ifdef INVERTED_CARRY
- if(opcode2[i]&2) {if(s1h!=th) emit_mov(s1h,th);emit_sbb(th,s2h);}
- #else
- if(opcode2[i]&2) emit_sbc(s1h,s2h,th);
- #endif
- else emit_add(s1h,s2h,th);
- }
- }
- else if(rs1[i]) {
- if(s1l>=0) emit_mov(s1l,tl);
- else emit_loadreg(rs1[i],tl);
- if(th>=0) {
- if(s1h>=0) emit_mov(s1h,th);
- else emit_loadreg(rs1[i]|64,th);
- }
- }
- else if(rs2[i]) {
- if(s2l>=0) {
- if(opcode2[i]&2) emit_negs(s2l,tl);
- else emit_mov(s2l,tl);
- }
- else {
- emit_loadreg(rs2[i],tl);
- if(opcode2[i]&2) emit_negs(tl,tl);
- }
- if(th>=0) {
- #ifdef INVERTED_CARRY
- if(s2h>=0) emit_mov(s2h,th);
- else emit_loadreg(rs2[i]|64,th);
- if(opcode2[i]&2) {
- emit_adcimm(-1,th); // x86 has inverted carry flag
- emit_not(th,th);
- }
- #else
- if(opcode2[i]&2) {
- if(s2h>=0) emit_rscimm(s2h,0,th);
- else {
- emit_loadreg(rs2[i]|64,th);
- emit_rscimm(th,0,th);
- }
- }else{
- if(s2h>=0) emit_mov(s2h,th);
- else emit_loadreg(rs2[i]|64,th);
- }
- #endif
- }
- }
- else {
- emit_zeroreg(tl);
- if(th>=0) emit_zeroreg(th);
- }
- }
- }
- }
- if(opcode2[i]==0x2a||opcode2[i]==0x2b) { // SLT/SLTU
- if(rt1[i]) {
- signed char s1l,s1h,s2l,s2h,t;
- if(!((i_regs->was32>>rs1[i])&(i_regs->was32>>rs2[i])&1))
- {
- t=get_reg(i_regs->regmap,rt1[i]);
- //assert(t>=0);
- if(t>=0) {
- s1l=get_reg(i_regs->regmap,rs1[i]);
- s1h=get_reg(i_regs->regmap,rs1[i]|64);
- s2l=get_reg(i_regs->regmap,rs2[i]);
- s2h=get_reg(i_regs->regmap,rs2[i]|64);
- if(rs2[i]==0) // rx<r0
- {
- assert(s1h>=0);
- if(opcode2[i]==0x2a) // SLT
- emit_shrimm(s1h,31,t);
- else // SLTU (unsigned can not be less than zero)
- emit_zeroreg(t);
- }
- else if(rs1[i]==0) // r0<rx
- {
- assert(s2h>=0);
- if(opcode2[i]==0x2a) // SLT
- emit_set_gz64_32(s2h,s2l,t);
- else // SLTU (set if not zero)
- emit_set_nz64_32(s2h,s2l,t);
- }
- else {
- assert(s1l>=0);assert(s1h>=0);
- assert(s2l>=0);assert(s2h>=0);
- if(opcode2[i]==0x2a) // SLT
- emit_set_if_less64_32(s1h,s1l,s2h,s2l,t);
- else // SLTU
- emit_set_if_carry64_32(s1h,s1l,s2h,s2l,t);
- }
- }
- } else {
- t=get_reg(i_regs->regmap,rt1[i]);
- //assert(t>=0);
- if(t>=0) {
- s1l=get_reg(i_regs->regmap,rs1[i]);
- s2l=get_reg(i_regs->regmap,rs2[i]);
- if(rs2[i]==0) // rx<r0
- {
- assert(s1l>=0);
- if(opcode2[i]==0x2a) // SLT
- emit_shrimm(s1l,31,t);
- else // SLTU (unsigned can not be less than zero)
- emit_zeroreg(t);
+ signed char s1l,s2l,t;
+ {
+ t=get_reg(i_regs->regmap,rt1[i]);
+ //assert(t>=0);
+ if(t>=0) {
+ s1l=get_reg(i_regs->regmap,rs1[i]);
+ s2l=get_reg(i_regs->regmap,rs2[i]);
+ if(rs2[i]==0) // rx<r0
+ {
+ assert(s1l>=0);
+ if(opcode2[i]==0x2a) // SLT
+ emit_shrimm(s1l,31,t);
+ else // SLTU (unsigned can not be less than zero)
+ emit_zeroreg(t);
}
else if(rs1[i]==0) // r0<rx
{
}
if(opcode2[i]>=0x24&&opcode2[i]<=0x27) { // AND/OR/XOR/NOR
if(rt1[i]) {
- signed char s1l,s1h,s2l,s2h,th,tl;
+ signed char s1l,s2l,tl;
tl=get_reg(i_regs->regmap,rt1[i]);
- th=get_reg(i_regs->regmap,rt1[i]|64);
- if(!((i_regs->was32>>rs1[i])&(i_regs->was32>>rs2[i])&1)&&th>=0)
- {
- assert(tl>=0);
- if(tl>=0) {
- s1l=get_reg(i_regs->regmap,rs1[i]);
- s1h=get_reg(i_regs->regmap,rs1[i]|64);
- s2l=get_reg(i_regs->regmap,rs2[i]);
- s2h=get_reg(i_regs->regmap,rs2[i]|64);
- if(rs1[i]&&rs2[i]) {
- assert(s1l>=0);assert(s1h>=0);
- assert(s2l>=0);assert(s2h>=0);
- if(opcode2[i]==0x24) { // AND
- emit_and(s1l,s2l,tl);
- emit_and(s1h,s2h,th);
- } else
- if(opcode2[i]==0x25) { // OR
- emit_or(s1l,s2l,tl);
- emit_or(s1h,s2h,th);
- } else
- if(opcode2[i]==0x26) { // XOR
- emit_xor(s1l,s2l,tl);
- emit_xor(s1h,s2h,th);
- } else
- if(opcode2[i]==0x27) { // NOR
- emit_or(s1l,s2l,tl);
- emit_or(s1h,s2h,th);
- emit_not(tl,tl);
- emit_not(th,th);
- }
- }
- else
- {
- if(opcode2[i]==0x24) { // AND
- emit_zeroreg(tl);
- emit_zeroreg(th);
- } else
- if(opcode2[i]==0x25||opcode2[i]==0x26) { // OR/XOR
- if(rs1[i]){
- if(s1l>=0) emit_mov(s1l,tl);
- else emit_loadreg(rs1[i],tl);
- if(s1h>=0) emit_mov(s1h,th);
- else emit_loadreg(rs1[i]|64,th);
- }
- else
- if(rs2[i]){
- if(s2l>=0) emit_mov(s2l,tl);
- else emit_loadreg(rs2[i],tl);
- if(s2h>=0) emit_mov(s2h,th);
- else emit_loadreg(rs2[i]|64,th);
- }
- else{
- emit_zeroreg(tl);
- emit_zeroreg(th);
- }
- } else
- if(opcode2[i]==0x27) { // NOR
- if(rs1[i]){
- if(s1l>=0) emit_not(s1l,tl);
- else{
- emit_loadreg(rs1[i],tl);
- emit_not(tl,tl);
- }
- if(s1h>=0) emit_not(s1h,th);
- else{
- emit_loadreg(rs1[i]|64,th);
- emit_not(th,th);
- }
- }
- else
- if(rs2[i]){
- if(s2l>=0) emit_not(s2l,tl);
- else{
- emit_loadreg(rs2[i],tl);
- emit_not(tl,tl);
- }
- if(s2h>=0) emit_not(s2h,th);
- else{
- emit_loadreg(rs2[i]|64,th);
- emit_not(th,th);
- }
- }
- else {
- emit_movimm(-1,tl);
- emit_movimm(-1,th);
- }
- }
- }
- }
- }
- else
{
- // 32 bit
if(tl>=0) {
s1l=get_reg(i_regs->regmap,rs1[i]);
s2l=get_reg(i_regs->regmap,rs2[i]);
}
if(opcode[i]==0x18||opcode[i]==0x19) { // DADDI/DADDIU
if(rt1[i]) {
- signed char sh,sl,th,tl;
- th=get_reg(i_regs->regmap,rt1[i]|64);
+ signed char sl,tl;
tl=get_reg(i_regs->regmap,rt1[i]);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
sl=get_reg(i_regs->regmap,rs1[i]);
if(tl>=0) {
if(rs1[i]) {
- assert(sh>=0);
assert(sl>=0);
- if(th>=0) {
- emit_addimm64_32(sh,sl,imm[i],th,tl);
- }
- else {
- emit_addimm(sl,imm[i],tl);
- }
+ emit_addimm(sl,imm[i],tl);
} else {
emit_movimm(imm[i],tl);
- if(th>=0) emit_movimm(((signed int)imm[i])>>31,th);
}
}
}
else if(opcode[i]==0x0a||opcode[i]==0x0b) { // SLTI/SLTIU
if(rt1[i]) {
//assert(rs1[i]!=0); // r0 might be valid, but it's probably a bug
- signed char sh,sl,t;
+ signed char sl,t;
t=get_reg(i_regs->regmap,rt1[i]);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
sl=get_reg(i_regs->regmap,rs1[i]);
//assert(t>=0);
if(t>=0) {
if(rs1[i]>0) {
- if(sh<0) assert((i_regs->was32>>rs1[i])&1);
- if(sh<0||((i_regs->was32>>rs1[i])&1)) {
if(opcode[i]==0x0a) { // SLTI
if(sl<0) {
if(i_regs->regmap_entry[t]!=rs1[i]) emit_loadreg(rs1[i],t);
emit_sltiu32(sl,imm[i],t);
}
}
- }else{ // 64-bit
- assert(sl>=0);
- if(opcode[i]==0x0a) // SLTI
- emit_slti64_32(sh,sl,imm[i],t);
- else // SLTIU
- emit_sltiu64_32(sh,sl,imm[i],t);
- }
}else{
// SLTI(U) with r0 is just stupid,
// nonetheless examples can be found
}
else if(opcode[i]>=0x0c&&opcode[i]<=0x0e) { // ANDI/ORI/XORI
if(rt1[i]) {
- signed char sh,sl,th,tl;
- th=get_reg(i_regs->regmap,rt1[i]|64);
+ signed char sl,tl;
tl=get_reg(i_regs->regmap,rt1[i]);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
sl=get_reg(i_regs->regmap,rs1[i]);
if(tl>=0 && !((i_regs->isconst>>tl)&1)) {
if(opcode[i]==0x0c) //ANDI
}
else
emit_zeroreg(tl);
- if(th>=0) emit_zeroreg(th);
}
else
{
if(sl<0) {
if(i_regs->regmap_entry[tl]!=rs1[i]) emit_loadreg(rs1[i],tl);
}
- if(th>=0) {
- if(sh<0) {
- emit_loadreg(rs1[i]|64,th);
+ if(opcode[i]==0x0d) { // ORI
+ if(sl<0) {
+ emit_orimm(tl,imm[i],tl);
}else{
- emit_mov(sh,th);
+ if(!((i_regs->wasconst>>sl)&1))
+ emit_orimm(sl,imm[i],tl);
+ else
+ emit_movimm(constmap[i][sl]|imm[i],tl);
}
}
- if(opcode[i]==0x0d) //ORI
- if(sl<0) {
- emit_orimm(tl,imm[i],tl);
- }else{
- if(!((i_regs->wasconst>>sl)&1))
- emit_orimm(sl,imm[i],tl);
- else
- emit_movimm(constmap[i][sl]|imm[i],tl);
- }
- if(opcode[i]==0x0e) //XORI
- if(sl<0) {
- emit_xorimm(tl,imm[i],tl);
- }else{
- if(!((i_regs->wasconst>>sl)&1))
- emit_xorimm(sl,imm[i],tl);
- else
- emit_movimm(constmap[i][sl]^imm[i],tl);
+ if(opcode[i]==0x0e) { // XORI
+ if(sl<0) {
+ emit_xorimm(tl,imm[i],tl);
+ }else{
+ if(!((i_regs->wasconst>>sl)&1))
+ emit_xorimm(sl,imm[i],tl);
+ else
+ emit_movimm(constmap[i][sl]^imm[i],tl);
+ }
}
}
else {
emit_movimm(imm[i],tl);
- if(th>=0) emit_zeroreg(th);
}
}
}
}
if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA
{
- if(rt1[i]) {
- signed char sh,sl,th,tl;
- th=get_reg(i_regs->regmap,rt1[i]|64);
- tl=get_reg(i_regs->regmap,rt1[i]);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
- sl=get_reg(i_regs->regmap,rs1[i]);
- if(tl>=0) {
- if(rs1[i]==0)
- {
- emit_zeroreg(tl);
- if(th>=0) emit_zeroreg(th);
- }
- else
- {
- assert(sl>=0);
- assert(sh>=0);
- if(imm[i]) {
- if(opcode2[i]==0x38) // DSLL
- {
- if(th>=0) emit_shldimm(sh,sl,imm[i],th);
- emit_shlimm(sl,imm[i],tl);
- }
- if(opcode2[i]==0x3a) // DSRL
- {
- emit_shrdimm(sl,sh,imm[i],tl);
- if(th>=0) emit_shrimm(sh,imm[i],th);
- }
- if(opcode2[i]==0x3b) // DSRA
- {
- emit_shrdimm(sl,sh,imm[i],tl);
- if(th>=0) emit_sarimm(sh,imm[i],th);
- }
- }else{
- // Shift by zero
- if(sl!=tl) emit_mov(sl,tl);
- if(th>=0&&sh!=th) emit_mov(sh,th);
- }
- }
- }
- }
+ assert(0);
}
if(opcode2[i]==0x3c) // DSLL32
{
- if(rt1[i]) {
- signed char sl,tl,th;
- tl=get_reg(i_regs->regmap,rt1[i]);
- th=get_reg(i_regs->regmap,rt1[i]|64);
- sl=get_reg(i_regs->regmap,rs1[i]);
- if(th>=0||tl>=0){
- assert(tl>=0);
- assert(th>=0);
- assert(sl>=0);
- emit_mov(sl,th);
- emit_zeroreg(tl);
- if(imm[i]>32)
- {
- emit_shlimm(th,imm[i]&31,th);
- }
- }
- }
+ assert(0);
}
if(opcode2[i]==0x3e) // DSRL32
{
- if(rt1[i]) {
- signed char sh,tl,th;
- tl=get_reg(i_regs->regmap,rt1[i]);
- th=get_reg(i_regs->regmap,rt1[i]|64);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
- if(tl>=0){
- assert(sh>=0);
- emit_mov(sh,tl);
- if(th>=0) emit_zeroreg(th);
- if(imm[i]>32)
- {
- emit_shrimm(tl,imm[i]&31,tl);
- }
- }
- }
+ assert(0);
}
if(opcode2[i]==0x3f) // DSRA32
{
- if(rt1[i]) {
- signed char sh,tl;
- tl=get_reg(i_regs->regmap,rt1[i]);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
- if(tl>=0){
- assert(sh>=0);
- emit_mov(sh,tl);
- if(imm[i]>32)
- {
- emit_sarimm(tl,imm[i]&31,tl);
- }
- }
- }
+ assert(0);
}
}
#ifndef shift_assemble
-void shift_assemble(int i,struct regstat *i_regs)
+static void shift_assemble(int i,struct regstat *i_regs)
{
- printf("Need shift_assemble for this architecture.\n");
- exit(1);
+ signed char s,t,shift;
+ if (rt1[i] == 0)
+ return;
+ assert(opcode2[i]<=0x07); // SLLV/SRLV/SRAV
+ t = get_reg(i_regs->regmap, rt1[i]);
+ s = get_reg(i_regs->regmap, rs1[i]);
+ shift = get_reg(i_regs->regmap, rs2[i]);
+ if (t < 0)
+ return;
+
+ if(rs1[i]==0)
+ emit_zeroreg(t);
+ else if(rs2[i]==0) {
+ assert(s>=0);
+ if(s!=t) emit_mov(s,t);
+ }
+ else {
+ host_tempreg_acquire();
+ emit_andimm(shift,31,HOST_TEMPREG);
+ switch(opcode2[i]) {
+ case 4: // SLLV
+ emit_shl(s,HOST_TEMPREG,t);
+ break;
+ case 6: // SRLV
+ emit_shr(s,HOST_TEMPREG,t);
+ break;
+ case 7: // SRAV
+ emit_sar(s,HOST_TEMPREG,t);
+ break;
+ default:
+ assert(0);
+ }
+ host_tempreg_release();
+ }
}
+
#endif
-void load_assemble(int i,struct regstat *i_regs)
+enum {
+ MTYPE_8000 = 0,
+ MTYPE_8020,
+ MTYPE_0000,
+ MTYPE_A000,
+ MTYPE_1F80,
+};
+
+static int get_ptr_mem_type(u_int a)
+{
+ if(a < 0x00200000) {
+ if(a<0x1000&&((start>>20)==0xbfc||(start>>24)==0xa0))
+ // return wrong, must use memhandler for BIOS self-test to pass
+ // 007 does similar stuff from a00 mirror, weird stuff
+ return MTYPE_8000;
+ return MTYPE_0000;
+ }
+ if(0x1f800000 <= a && a < 0x1f801000)
+ return MTYPE_1F80;
+ if(0x80200000 <= a && a < 0x80800000)
+ return MTYPE_8020;
+ if(0xa0000000 <= a && a < 0xa0200000)
+ return MTYPE_A000;
+ return MTYPE_8000;
+}
+
+static void *emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override)
{
- int s,th,tl,addr,map=-1;
+ void *jaddr = NULL;
+ int type=0;
+ int mr=rs1[i];
+ if(((smrv_strong|smrv_weak)>>mr)&1) {
+ type=get_ptr_mem_type(smrv[mr]);
+ //printf("set %08x @%08x r%d %d\n", smrv[mr], start+i*4, mr, type);
+ }
+ else {
+ // use the mirror we are running on
+ type=get_ptr_mem_type(start);
+ //printf("set nospec @%08x r%d %d\n", start+i*4, mr, type);
+ }
+
+ if(type==MTYPE_8020) { // RAM 80200000+ mirror
+ host_tempreg_acquire();
+ emit_andimm(addr,~0x00e00000,HOST_TEMPREG);
+ addr=*addr_reg_override=HOST_TEMPREG;
+ type=0;
+ }
+ else if(type==MTYPE_0000) { // RAM 0 mirror
+ host_tempreg_acquire();
+ emit_orimm(addr,0x80000000,HOST_TEMPREG);
+ addr=*addr_reg_override=HOST_TEMPREG;
+ type=0;
+ }
+ else if(type==MTYPE_A000) { // RAM A mirror
+ host_tempreg_acquire();
+ emit_andimm(addr,~0x20000000,HOST_TEMPREG);
+ addr=*addr_reg_override=HOST_TEMPREG;
+ type=0;
+ }
+ else if(type==MTYPE_1F80) { // scratchpad
+ if (psxH == (void *)0x1f800000) {
+ host_tempreg_acquire();
+ emit_xorimm(addr,0x1f800000,HOST_TEMPREG);
+ emit_cmpimm(HOST_TEMPREG,0x1000);
+ host_tempreg_release();
+ jaddr=out;
+ emit_jc(0);
+ }
+ else {
+ // do the usual RAM check, jump will go to the right handler
+ type=0;
+ }
+ }
+
+ if(type==0)
+ {
+ emit_cmpimm(addr,RAM_SIZE);
+ jaddr=out;
+ #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
+ // Hint to branch predictor that the branch is unlikely to be taken
+ if(rs1[i]>=28)
+ emit_jno_unlikely(0);
+ else
+ #endif
+ emit_jno(0);
+ if(ram_offset!=0) {
+ host_tempreg_acquire();
+ emit_addimm(addr,ram_offset,HOST_TEMPREG);
+ addr=*addr_reg_override=HOST_TEMPREG;
+ }
+ }
+
+ return jaddr;
+}
+
+// return memhandler, or get directly accessable address and return 0
+static void *get_direct_memhandler(void *table, u_int addr,
+ enum stub_type type, uintptr_t *addr_host)
+{
+ uintptr_t l1, l2 = 0;
+ l1 = ((uintptr_t *)table)[addr>>12];
+ if ((l1 & (1ul << (sizeof(l1)*8-1))) == 0) {
+ uintptr_t v = l1 << 1;
+ *addr_host = v + addr;
+ return NULL;
+ }
+ else {
+ l1 <<= 1;
+ if (type == LOADB_STUB || type == LOADBU_STUB || type == STOREB_STUB)
+ l2 = ((uintptr_t *)l1)[0x1000/4 + 0x1000/2 + (addr&0xfff)];
+ else if (type == LOADH_STUB || type == LOADHU_STUB || type == STOREH_STUB)
+ l2=((uintptr_t *)l1)[0x1000/4 + (addr&0xfff)/2];
+ else
+ l2=((uintptr_t *)l1)[(addr&0xfff)/4];
+ if ((l2 & (1<<31)) == 0) {
+ uintptr_t v = l2 << 1;
+ *addr_host = v + (addr&0xfff);
+ return NULL;
+ }
+ return (void *)(l2 << 1);
+ }
+}
+
+static void load_assemble(int i,struct regstat *i_regs)
+{
+ int s,tl,addr;
int offset;
- int jaddr=0;
+ void *jaddr=0;
int memtarget=0,c=0;
- int fastload_reg_override=0;
+ int fastio_reg_override=-1;
u_int hr,reglist=0;
- th=get_reg(i_regs->regmap,rt1[i]|64);
tl=get_reg(i_regs->regmap,rt1[i]);
s=get_reg(i_regs->regmap,rs1[i]);
offset=imm[i];
c=(i_regs->wasconst>>s)&1;
if (c) {
memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
- if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1;
}
}
//printf("load_assemble: c=%d\n",c);
- //if(c) printf("load_assemble: const=%x\n",(int)constmap[i][s]+offset);
+ //if(c) printf("load_assemble: const=%lx\n",(long)constmap[i][s]+offset);
// FIXME: Even if the load is a NOP, we should check for pagefaults...
-#ifdef PCSX
- if(tl<0&&(!c||(((u_int)constmap[i][s]+offset)>>16)==0x1f80)
+ if((tl<0&&(!c||(((u_int)constmap[i][s]+offset)>>16)==0x1f80))
||rt1[i]==0) {
// could be FIFO, must perform the read
// ||dummy read
tl=get_reg(i_regs->regmap,-1);
assert(tl>=0);
}
-#endif
if(offset||s<0||c) addr=tl;
else addr=s;
//if(tl<0) tl=get_reg(i_regs->regmap,-1);
if(tl>=0) {
//printf("load_assemble: c=%d\n",c);
- //if(c) printf("load_assemble: const=%x\n",(int)constmap[i][s]+offset);
+ //if(c) printf("load_assemble: const=%lx\n",(long)constmap[i][s]+offset);
assert(tl>=0); // Even if the load is a NOP, we must check for pagefaults and I/O
reglist&=~(1<<tl);
- if(th>=0) reglist&=~(1<<th);
- if(!using_tlb) {
- if(!c) {
- #ifdef RAM_OFFSET
- map=get_reg(i_regs->regmap,ROREG);
- if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
- #endif
-//#define R29_HACK 1
- #ifdef R29_HACK
- // Strmnnrmn's speed hack
- if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE)
- #endif
- {
- jaddr=emit_fastpath_cmp_jump(i,addr,&fastload_reg_override);
- }
+ if(!c) {
+ #ifdef R29_HACK
+ // Strmnnrmn's speed hack
+ if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE)
+ #endif
+ {
+ jaddr=emit_fastpath_cmp_jump(i,addr,&fastio_reg_override);
}
- }else{ // using tlb
- int x=0;
- if (opcode[i]==0x20||opcode[i]==0x24) x=3; // LB/LBU
- if (opcode[i]==0x21||opcode[i]==0x25) x=2; // LH/LHU
- map=get_reg(i_regs->regmap,TLREG);
- assert(map>=0);
- reglist&=~(1<<map);
- map=do_tlb_r(addr,tl,map,x,-1,-1,c,constmap[i][s]+offset);
- do_tlb_r_branch(map,c,constmap[i][s]+offset,&jaddr);
+ }
+ else if(ram_offset&&memtarget) {
+ host_tempreg_acquire();
+ emit_addimm(addr,ram_offset,HOST_TEMPREG);
+ fastio_reg_override=HOST_TEMPREG;
}
int dummy=(rt1[i]==0)||(tl!=get_reg(i_regs->regmap,rt1[i])); // ignore loads to r0 and unneeded reg
if (opcode[i]==0x20) { // LB
if(!c||memtarget) {
if(!dummy) {
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_movsbl_tlb((constmap[i][s]+offset)^3,map,tl);
- else
- #endif
{
- //emit_xorimm(addr,3,tl);
- //gen_tlb_addr_r(tl,map);
- //emit_movsbl_indexed((int)rdram-0x80000000,tl,tl);
int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
- if(!c) emit_xorimm(addr,3,tl);
- else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset);
-#else
if(!c) a=addr;
-#endif
- if(fastload_reg_override) a=fastload_reg_override;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
- emit_movsbl_indexed_tlb(x,a,map,tl);
+ emit_movsbl_indexed(x,a,tl);
}
}
if(jaddr)
- add_stub(LOADB_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(LOADB_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
}
else
inline_readstub(LOADB_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
if (opcode[i]==0x21) { // LH
if(!c||memtarget) {
if(!dummy) {
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_movswl_tlb((constmap[i][s]+offset)^2,map,tl);
- else
- #endif
- {
- int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
- if(!c) emit_xorimm(addr,2,tl);
- else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset);
-#else
- if(!c) a=addr;
-#endif
- if(fastload_reg_override) a=fastload_reg_override;
- //#ifdef
- //emit_movswl_indexed_tlb(x,tl,map,tl);
- //else
- if(map>=0) {
- gen_tlb_addr_r(a,map);
- emit_movswl_indexed(x,a,tl);
- }else{
- #ifdef RAM_OFFSET
- emit_movswl_indexed(x,a,tl);
- #else
- emit_movswl_indexed((int)rdram-0x80000000+x,a,tl);
- #endif
- }
- }
+ int x=0,a=tl;
+ if(!c) a=addr;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_movswl_indexed(x,a,tl);
}
if(jaddr)
- add_stub(LOADH_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(LOADH_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
}
else
inline_readstub(LOADH_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
if(!c||memtarget) {
if(!dummy) {
int a=addr;
- if(fastload_reg_override) a=fastload_reg_override;
- //emit_readword_indexed((int)rdram-0x80000000,addr,tl);
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_readword_tlb(constmap[i][s]+offset,map,tl);
- else
- #endif
- emit_readword_indexed_tlb(0,a,map,tl);
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_readword_indexed(0,a,tl);
}
if(jaddr)
- add_stub(LOADW_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(LOADW_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
}
else
inline_readstub(LOADW_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
if (opcode[i]==0x24) { // LBU
if(!c||memtarget) {
if(!dummy) {
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_movzbl_tlb((constmap[i][s]+offset)^3,map,tl);
- else
- #endif
- {
- //emit_xorimm(addr,3,tl);
- //gen_tlb_addr_r(tl,map);
- //emit_movzbl_indexed((int)rdram-0x80000000,tl,tl);
- int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
- if(!c) emit_xorimm(addr,3,tl);
- else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset);
-#else
- if(!c) a=addr;
-#endif
- if(fastload_reg_override) a=fastload_reg_override;
+ int x=0,a=tl;
+ if(!c) a=addr;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
- emit_movzbl_indexed_tlb(x,a,map,tl);
- }
+ emit_movzbl_indexed(x,a,tl);
}
if(jaddr)
- add_stub(LOADBU_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(LOADBU_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
}
else
inline_readstub(LOADBU_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
if (opcode[i]==0x25) { // LHU
if(!c||memtarget) {
if(!dummy) {
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_movzwl_tlb((constmap[i][s]+offset)^2,map,tl);
- else
- #endif
- {
- int x=0,a=tl;
-#ifdef BIG_ENDIAN_MIPS
- if(!c) emit_xorimm(addr,2,tl);
- else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset);
-#else
- if(!c) a=addr;
-#endif
- if(fastload_reg_override) a=fastload_reg_override;
- //#ifdef
- //emit_movzwl_indexed_tlb(x,tl,map,tl);
- //#else
- if(map>=0) {
- gen_tlb_addr_r(a,map);
- emit_movzwl_indexed(x,a,tl);
- }else{
- #ifdef RAM_OFFSET
- emit_movzwl_indexed(x,a,tl);
- #else
- emit_movzwl_indexed((int)rdram-0x80000000+x,a,tl);
- #endif
- }
- }
+ int x=0,a=tl;
+ if(!c) a=addr;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_movzwl_indexed(x,a,tl);
}
if(jaddr)
- add_stub(LOADHU_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(LOADHU_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
}
else
inline_readstub(LOADHU_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
}
if (opcode[i]==0x27) { // LWU
- assert(th>=0);
- if(!c||memtarget) {
- if(!dummy) {
- int a=addr;
- if(fastload_reg_override) a=fastload_reg_override;
- //emit_readword_indexed((int)rdram-0x80000000,addr,tl);
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_readword_tlb(constmap[i][s]+offset,map,tl);
- else
- #endif
- emit_readword_indexed_tlb(0,a,map,tl);
- }
- if(jaddr)
- add_stub(LOADW_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
- }
- else {
- inline_readstub(LOADW_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
- }
- emit_zeroreg(th);
+ assert(0);
}
if (opcode[i]==0x37) { // LD
- if(!c||memtarget) {
- if(!dummy) {
- int a=addr;
- if(fastload_reg_override) a=fastload_reg_override;
- //gen_tlb_addr_r(tl,map);
- //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,addr,th);
- //emit_readword_indexed((int)rdram-0x7FFFFFFC,addr,tl);
- #ifdef HOST_IMM_ADDR32
- if(c)
- emit_readdword_tlb(constmap[i][s]+offset,map,th,tl);
- else
- #endif
- emit_readdword_indexed_tlb(0,a,map,th,tl);
- }
- if(jaddr)
- add_stub(LOADD_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
- }
- else
- inline_readstub(LOADD_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist);
+ assert(0);
}
}
- //emit_storereg(rt1[i],tl); // DEBUG
- //if(opcode[i]==0x23)
- //if(opcode[i]==0x24)
- //if(opcode[i]==0x23||opcode[i]==0x24)
- /*if(opcode[i]==0x21||opcode[i]==0x23||opcode[i]==0x24)
- {
- //emit_pusha();
- save_regs(0x100f);
- emit_readword((int)&last_count,ECX);
- #ifdef __i386__
- if(get_reg(i_regs->regmap,CCREG)<0)
- emit_loadreg(CCREG,HOST_CCREG);
- emit_add(HOST_CCREG,ECX,HOST_CCREG);
- emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG);
- emit_writeword(HOST_CCREG,(int)&Count);
- #endif
- #ifdef __arm__
- if(get_reg(i_regs->regmap,CCREG)<0)
- emit_loadreg(CCREG,0);
- else
- emit_mov(HOST_CCREG,0);
- emit_add(0,ECX,0);
- emit_addimm(0,2*ccadj[i],0);
- emit_writeword(0,(int)&Count);
- #endif
- emit_call((int)memdebug);
- //emit_popa();
- restore_regs(0x100f);
- }/**/
+ if (fastio_reg_override == HOST_TEMPREG)
+ host_tempreg_release();
}
#ifndef loadlr_assemble
-void loadlr_assemble(int i,struct regstat *i_regs)
+static void loadlr_assemble(int i,struct regstat *i_regs)
{
- printf("Need loadlr_assemble for this architecture.\n");
- exit(1);
+ int s,tl,temp,temp2,addr;
+ int offset;
+ void *jaddr=0;
+ int memtarget=0,c=0;
+ int fastio_reg_override=-1;
+ u_int hr,reglist=0;
+ tl=get_reg(i_regs->regmap,rt1[i]);
+ s=get_reg(i_regs->regmap,rs1[i]);
+ temp=get_reg(i_regs->regmap,-1);
+ temp2=get_reg(i_regs->regmap,FTEMP);
+ addr=get_reg(i_regs->regmap,AGEN1+(i&1));
+ assert(addr<0);
+ offset=imm[i];
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
+ }
+ reglist|=1<<temp;
+ if(offset||s<0||c) addr=temp2;
+ else addr=s;
+ if(s>=0) {
+ c=(i_regs->wasconst>>s)&1;
+ if(c) {
+ memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
+ }
+ }
+ if(!c) {
+ emit_shlimm(addr,3,temp);
+ if (opcode[i]==0x22||opcode[i]==0x26) {
+ emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR
+ }else{
+ emit_andimm(addr,0xFFFFFFF8,temp2); // LDL/LDR
+ }
+ jaddr=emit_fastpath_cmp_jump(i,temp2,&fastio_reg_override);
+ }
+ else {
+ if(ram_offset&&memtarget) {
+ host_tempreg_acquire();
+ emit_addimm(temp2,ram_offset,HOST_TEMPREG);
+ fastio_reg_override=HOST_TEMPREG;
+ }
+ if (opcode[i]==0x22||opcode[i]==0x26) {
+ emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR
+ }else{
+ emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR
+ }
+ }
+ if (opcode[i]==0x22||opcode[i]==0x26) { // LWL/LWR
+ if(!c||memtarget) {
+ int a=temp2;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_readword_indexed(0,a,temp2);
+ if(fastio_reg_override==HOST_TEMPREG) host_tempreg_release();
+ if(jaddr) add_stub_r(LOADW_STUB,jaddr,out,i,temp2,i_regs,ccadj[i],reglist);
+ }
+ else
+ inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist);
+ if(rt1[i]) {
+ assert(tl>=0);
+ emit_andimm(temp,24,temp);
+ if (opcode[i]==0x22) // LWL
+ emit_xorimm(temp,24,temp);
+ host_tempreg_acquire();
+ emit_movimm(-1,HOST_TEMPREG);
+ if (opcode[i]==0x26) {
+ emit_shr(temp2,temp,temp2);
+ emit_bic_lsr(tl,HOST_TEMPREG,temp,tl);
+ }else{
+ emit_shl(temp2,temp,temp2);
+ emit_bic_lsl(tl,HOST_TEMPREG,temp,tl);
+ }
+ host_tempreg_release();
+ emit_or(temp2,tl,tl);
+ }
+ //emit_storereg(rt1[i],tl); // DEBUG
+ }
+ if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR
+ assert(0);
+ }
}
#endif
void store_assemble(int i,struct regstat *i_regs)
{
- int s,th,tl,map=-1;
+ int s,tl;
int addr,temp;
int offset;
- int jaddr=0,jaddr2,type;
+ void *jaddr=0;
+ enum stub_type type;
int memtarget=0,c=0;
int agr=AGEN1+(i&1);
- int faststore_reg_override=0;
+ int fastio_reg_override=-1;
u_int hr,reglist=0;
- th=get_reg(i_regs->regmap,rs2[i]|64);
tl=get_reg(i_regs->regmap,rs2[i]);
s=get_reg(i_regs->regmap,rs1[i]);
temp=get_reg(i_regs->regmap,agr);
c=(i_regs->wasconst>>s)&1;
if(c) {
memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
- if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1;
}
}
assert(tl>=0);
if(i_regs->regmap[HOST_CCREG]==CCREG) reglist&=~(1<<HOST_CCREG);
if(offset||s<0||c) addr=temp;
else addr=s;
- if(!using_tlb) {
- if(!c) {
- #ifndef PCSX
- #ifdef R29_HACK
- // Strmnnrmn's speed hack
- if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE)
- #endif
- emit_cmpimm(addr,RAM_SIZE);
- #ifdef DESTRUCTIVE_SHIFT
- if(s==addr) emit_mov(s,temp);
- #endif
- #ifdef R29_HACK
- memtarget=1;
- if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE)
- #endif
- {
- jaddr=(int)out;
- #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
- // Hint to branch predictor that the branch is unlikely to be taken
- if(rs1[i]>=28)
- emit_jno_unlikely(0);
- else
- #endif
- emit_jno(0);
- }
- #else
- jaddr=emit_fastpath_cmp_jump(i,addr,&faststore_reg_override);
- #endif
- }
- }else{ // using tlb
- int x=0;
- if (opcode[i]==0x28) x=3; // SB
- if (opcode[i]==0x29) x=2; // SH
- map=get_reg(i_regs->regmap,TLREG);
- assert(map>=0);
- reglist&=~(1<<map);
- map=do_tlb_w(addr,temp,map,x,c,constmap[i][s]+offset);
- do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr);
+ if(!c) {
+ jaddr=emit_fastpath_cmp_jump(i,addr,&fastio_reg_override);
+ }
+ else if(ram_offset&&memtarget) {
+ host_tempreg_acquire();
+ emit_addimm(addr,ram_offset,HOST_TEMPREG);
+ fastio_reg_override=HOST_TEMPREG;
}
if (opcode[i]==0x28) { // SB
if(!c||memtarget) {
int x=0,a=temp;
-#ifdef BIG_ENDIAN_MIPS
- if(!c) emit_xorimm(addr,3,temp);
- else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset);
-#else
if(!c) a=addr;
-#endif
- if(faststore_reg_override) a=faststore_reg_override;
- //gen_tlb_addr_w(temp,map);
- //emit_writebyte_indexed(tl,(int)rdram-0x80000000,temp);
- emit_writebyte_indexed_tlb(tl,x,a,map,a);
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_writebyte_indexed(tl,x,a);
}
type=STOREB_STUB;
}
if (opcode[i]==0x29) { // SH
if(!c||memtarget) {
int x=0,a=temp;
-#ifdef BIG_ENDIAN_MIPS
- if(!c) emit_xorimm(addr,2,temp);
- else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset);
-#else
if(!c) a=addr;
-#endif
- if(faststore_reg_override) a=faststore_reg_override;
- //#ifdef
- //emit_writehword_indexed_tlb(tl,x,temp,map,temp);
- //#else
- if(map>=0) {
- gen_tlb_addr_w(a,map);
- emit_writehword_indexed(tl,x,a);
- }else
- emit_writehword_indexed(tl,(int)rdram-0x80000000+x,a);
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_writehword_indexed(tl,x,a);
}
type=STOREH_STUB;
}
if (opcode[i]==0x2B) { // SW
if(!c||memtarget) {
int a=addr;
- if(faststore_reg_override) a=faststore_reg_override;
- //emit_writeword_indexed(tl,(int)rdram-0x80000000,addr);
- emit_writeword_indexed_tlb(tl,0,a,map,temp);
+ if(fastio_reg_override>=0) a=fastio_reg_override;
+ emit_writeword_indexed(tl,0,a);
}
type=STOREW_STUB;
}
if (opcode[i]==0x3F) { // SD
- if(!c||memtarget) {
- int a=addr;
- if(faststore_reg_override) a=faststore_reg_override;
- if(rs2[i]) {
- assert(th>=0);
- //emit_writeword_indexed(th,(int)rdram-0x80000000,addr);
- //emit_writeword_indexed(tl,(int)rdram-0x7FFFFFFC,addr);
- emit_writedword_indexed_tlb(th,tl,0,a,map,temp);
- }else{
- // Store zero
- //emit_writeword_indexed(tl,(int)rdram-0x80000000,temp);
- //emit_writeword_indexed(tl,(int)rdram-0x7FFFFFFC,temp);
- emit_writedword_indexed_tlb(tl,tl,0,a,map,temp);
- }
- }
+ assert(0);
type=STORED_STUB;
}
-#ifdef PCSX
+ if(fastio_reg_override==HOST_TEMPREG)
+ host_tempreg_release();
if(jaddr) {
// PCSX store handlers don't check invcode again
reglist|=1<<addr;
- add_stub(type,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(type,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
jaddr=0;
}
-#endif
- if(!using_tlb&&!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
+ if(!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
if(!c||memtarget) {
#ifdef DESTRUCTIVE_SHIFT
// The x86 shift operation is 'destructive'; it overwrites the
assert(ir>=0);
emit_cmpmem_indexedsr12_reg(ir,addr,1);
#else
- emit_cmpmem_indexedsr12_imm((int)invalid_code,addr,1);
+ emit_cmpmem_indexedsr12_imm(invalid_code,addr,1);
#endif
#if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT)
emit_callne(invalidate_addr_reg[addr]);
#else
- jaddr2=(int)out;
+ void *jaddr2 = out;
emit_jne(0);
- add_stub(INVCODE_STUB,jaddr2,(int)out,reglist|(1<<HOST_CCREG),addr,0,0,0);
+ add_stub(INVCODE_STUB,jaddr2,out,reglist|(1<<HOST_CCREG),addr,0,0,0);
#endif
}
}
+ u_int addr_val=constmap[i][s]+offset;
if(jaddr) {
- add_stub(type,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(type,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
} else if(c&&!memtarget) {
- inline_writestub(type,i,constmap[i][s]+offset,i_regs->regmap,rs2[i],ccadj[i],reglist);
+ inline_writestub(type,i,addr_val,i_regs->regmap,rs2[i],ccadj[i],reglist);
+ }
+ // basic current block modification detection..
+ // not looking back as that should be in mips cache already
+ // (see Spyro2 title->attract mode)
+ if(c&&start+i*4<addr_val&&addr_val<start+slen*4) {
+ SysPrintf("write to %08x hits block %08x, pc=%08x\n",addr_val,start,start+i*4);
+ assert(i_regs->regmap==regs[i].regmap); // not delay slot
+ if(i_regs->regmap==regs[i].regmap) {
+ load_all_consts(regs[i].regmap_entry,regs[i].wasdirty,i);
+ wb_dirtys(regs[i].regmap_entry,regs[i].wasdirty);
+ emit_movimm(start+i*4+4,0);
+ emit_writeword(0,&pcaddr);
+ emit_addimm(HOST_CCREG,2,HOST_CCREG);
+ emit_call(get_addr_ht);
+ emit_jmpreg(0);
+ }
}
- //if(opcode[i]==0x2B || opcode[i]==0x3F)
- //if(opcode[i]==0x2B || opcode[i]==0x28)
- //if(opcode[i]==0x2B || opcode[i]==0x29)
- //if(opcode[i]==0x2B)
- /*if(opcode[i]==0x2B || opcode[i]==0x28 || opcode[i]==0x29 || opcode[i]==0x3F)
- {
- #ifdef __i386__
- emit_pusha();
- #endif
- #ifdef __arm__
- save_regs(0x100f);
- #endif
- emit_readword((int)&last_count,ECX);
- #ifdef __i386__
- if(get_reg(i_regs->regmap,CCREG)<0)
- emit_loadreg(CCREG,HOST_CCREG);
- emit_add(HOST_CCREG,ECX,HOST_CCREG);
- emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG);
- emit_writeword(HOST_CCREG,(int)&Count);
- #endif
- #ifdef __arm__
- if(get_reg(i_regs->regmap,CCREG)<0)
- emit_loadreg(CCREG,0);
- else
- emit_mov(HOST_CCREG,0);
- emit_add(0,ECX,0);
- emit_addimm(0,2*ccadj[i],0);
- emit_writeword(0,(int)&Count);
- #endif
- emit_call((int)memdebug);
- #ifdef __i386__
- emit_popa();
- #endif
- #ifdef __arm__
- restore_regs(0x100f);
- #endif
- }/**/
}
-void storelr_assemble(int i,struct regstat *i_regs)
+static void storelr_assemble(int i,struct regstat *i_regs)
{
- int s,th,tl;
+ int s,tl;
int temp;
- int temp2;
int offset;
- int jaddr=0,jaddr2;
- int case1,case2,case3;
- int done0,done1,done2;
+ void *jaddr=0;
+ void *case1, *case2, *case3;
+ void *done0, *done1, *done2;
int memtarget=0,c=0;
int agr=AGEN1+(i&1);
u_int hr,reglist=0;
- th=get_reg(i_regs->regmap,rs2[i]|64);
tl=get_reg(i_regs->regmap,rs2[i]);
s=get_reg(i_regs->regmap,rs1[i]);
temp=get_reg(i_regs->regmap,agr);
c=(i_regs->isconst>>s)&1;
if(c) {
memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
- if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1;
}
}
assert(tl>=0);
if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
}
assert(temp>=0);
- if(!using_tlb) {
- if(!c) {
- emit_cmpimm(s<0||offset?temp:s,RAM_SIZE);
- if(!offset&&s!=temp) emit_mov(s,temp);
- jaddr=(int)out;
- emit_jno(0);
- }
- else
- {
- if(!memtarget||!rs1[i]) {
- jaddr=(int)out;
- emit_jmp(0);
- }
- }
- #ifdef RAM_OFFSET
- int map=get_reg(i_regs->regmap,ROREG);
- if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG);
- gen_tlb_addr_w(temp,map);
- #else
- if((u_int)rdram!=0x80000000)
- emit_addimm_no_flags((u_int)rdram-(u_int)0x80000000,temp);
- #endif
- }else{ // using tlb
- int map=get_reg(i_regs->regmap,TLREG);
- assert(map>=0);
- reglist&=~(1<<map);
- map=do_tlb_w(c||s<0||offset?temp:s,temp,map,0,c,constmap[i][s]+offset);
- if(!c&&!offset&&s>=0) emit_mov(s,temp);
- do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr);
- if(!jaddr&&!memtarget) {
- jaddr=(int)out;
+ if(!c) {
+ emit_cmpimm(s<0||offset?temp:s,RAM_SIZE);
+ if(!offset&&s!=temp) emit_mov(s,temp);
+ jaddr=out;
+ emit_jno(0);
+ }
+ else
+ {
+ if(!memtarget||!rs1[i]) {
+ jaddr=out;
emit_jmp(0);
}
- gen_tlb_addr_w(temp,map);
}
+ if(ram_offset)
+ emit_addimm_no_flags(ram_offset,temp);
if (opcode[i]==0x2C||opcode[i]==0x2D) { // SDL/SDR
- temp2=get_reg(i_regs->regmap,FTEMP);
- if(!rs2[i]) temp2=th=tl;
+ assert(0);
}
-#ifndef BIG_ENDIAN_MIPS
- emit_xorimm(temp,3,temp);
-#endif
+ emit_xorimm(temp,3,temp);
emit_testimm(temp,2);
- case2=(int)out;
+ case2=out;
emit_jne(0);
emit_testimm(temp,1);
- case1=(int)out;
+ case1=out;
emit_jne(0);
// 0
if (opcode[i]==0x2A) { // SWL
emit_writeword_indexed(tl,0,temp);
}
- if (opcode[i]==0x2E) { // SWR
- emit_writebyte_indexed(tl,3,temp);
- }
- if (opcode[i]==0x2C) { // SDL
- emit_writeword_indexed(th,0,temp);
- if(rs2[i]) emit_mov(tl,temp2);
- }
- if (opcode[i]==0x2D) { // SDR
+ else if (opcode[i]==0x2E) { // SWR
emit_writebyte_indexed(tl,3,temp);
- if(rs2[i]) emit_shldimm(th,tl,24,temp2);
}
- done0=(int)out;
+ else
+ assert(0);
+ done0=out;
emit_jmp(0);
// 1
- set_jump_target(case1,(int)out);
+ set_jump_target(case1, out);
if (opcode[i]==0x2A) { // SWL
// Write 3 msb into three least significant bytes
if(rs2[i]) emit_rorimm(tl,8,tl);
emit_writebyte_indexed(tl,1,temp);
if(rs2[i]) emit_rorimm(tl,8,tl);
}
- if (opcode[i]==0x2E) { // SWR
- // Write two lsb into two most significant bytes
- emit_writehword_indexed(tl,1,temp);
- }
- if (opcode[i]==0x2C) { // SDL
- if(rs2[i]) emit_shrdimm(tl,th,8,temp2);
- // Write 3 msb into three least significant bytes
- if(rs2[i]) emit_rorimm(th,8,th);
- emit_writehword_indexed(th,-1,temp);
- if(rs2[i]) emit_rorimm(th,16,th);
- emit_writebyte_indexed(th,1,temp);
- if(rs2[i]) emit_rorimm(th,8,th);
- }
- if (opcode[i]==0x2D) { // SDR
- if(rs2[i]) emit_shldimm(th,tl,16,temp2);
+ else if (opcode[i]==0x2E) { // SWR
// Write two lsb into two most significant bytes
emit_writehword_indexed(tl,1,temp);
}
- done1=(int)out;
+ done1=out;
emit_jmp(0);
// 2
- set_jump_target(case2,(int)out);
+ set_jump_target(case2, out);
emit_testimm(temp,1);
- case3=(int)out;
+ case3=out;
emit_jne(0);
if (opcode[i]==0x2A) { // SWL
// Write two msb into two least significant bytes
emit_writehword_indexed(tl,-2,temp);
if(rs2[i]) emit_rorimm(tl,16,tl);
}
- if (opcode[i]==0x2E) { // SWR
+ else if (opcode[i]==0x2E) { // SWR
// Write 3 lsb into three most significant bytes
emit_writebyte_indexed(tl,-1,temp);
if(rs2[i]) emit_rorimm(tl,8,tl);
emit_writehword_indexed(tl,0,temp);
if(rs2[i]) emit_rorimm(tl,24,tl);
}
- if (opcode[i]==0x2C) { // SDL
- if(rs2[i]) emit_shrdimm(tl,th,16,temp2);
- // Write two msb into two least significant bytes
- if(rs2[i]) emit_rorimm(th,16,th);
- emit_writehword_indexed(th,-2,temp);
- if(rs2[i]) emit_rorimm(th,16,th);
- }
- if (opcode[i]==0x2D) { // SDR
- if(rs2[i]) emit_shldimm(th,tl,8,temp2);
- // Write 3 lsb into three most significant bytes
- emit_writebyte_indexed(tl,-1,temp);
- if(rs2[i]) emit_rorimm(tl,8,tl);
- emit_writehword_indexed(tl,0,temp);
- if(rs2[i]) emit_rorimm(tl,24,tl);
- }
- done2=(int)out;
+ done2=out;
emit_jmp(0);
// 3
- set_jump_target(case3,(int)out);
+ set_jump_target(case3, out);
if (opcode[i]==0x2A) { // SWL
// Write msb into least significant byte
if(rs2[i]) emit_rorimm(tl,24,tl);
emit_writebyte_indexed(tl,-3,temp);
if(rs2[i]) emit_rorimm(tl,8,tl);
}
- if (opcode[i]==0x2E) { // SWR
- // Write entire word
- emit_writeword_indexed(tl,-3,temp);
- }
- if (opcode[i]==0x2C) { // SDL
- if(rs2[i]) emit_shrdimm(tl,th,24,temp2);
- // Write msb into least significant byte
- if(rs2[i]) emit_rorimm(th,24,th);
- emit_writebyte_indexed(th,-3,temp);
- if(rs2[i]) emit_rorimm(th,8,th);
- }
- if (opcode[i]==0x2D) { // SDR
- if(rs2[i]) emit_mov(th,temp2);
+ else if (opcode[i]==0x2E) { // SWR
// Write entire word
emit_writeword_indexed(tl,-3,temp);
}
- set_jump_target(done0,(int)out);
- set_jump_target(done1,(int)out);
- set_jump_target(done2,(int)out);
- if (opcode[i]==0x2C) { // SDL
- emit_testimm(temp,4);
- done0=(int)out;
- emit_jne(0);
- emit_andimm(temp,~3,temp);
- emit_writeword_indexed(temp2,4,temp);
- set_jump_target(done0,(int)out);
- }
- if (opcode[i]==0x2D) { // SDR
- emit_testimm(temp,4);
- done0=(int)out;
- emit_jeq(0);
- emit_andimm(temp,~3,temp);
- emit_writeword_indexed(temp2,-4,temp);
- set_jump_target(done0,(int)out);
- }
+ set_jump_target(done0, out);
+ set_jump_target(done1, out);
+ set_jump_target(done2, out);
if(!c||!memtarget)
- add_stub(STORELR_STUB,jaddr,(int)out,i,(int)i_regs,temp,ccadj[i],reglist);
- if(!using_tlb&&!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
- #ifdef RAM_OFFSET
- int map=get_reg(i_regs->regmap,ROREG);
- if(map<0) map=HOST_TEMPREG;
- gen_orig_addr_w(temp,map);
- #else
- emit_addimm_no_flags((u_int)0x80000000-(u_int)rdram,temp);
- #endif
+ add_stub_r(STORELR_STUB,jaddr,out,i,temp,i_regs,ccadj[i],reglist);
+ if(!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
+ emit_addimm_no_flags(-ram_offset,temp);
#if defined(HOST_IMM8)
int ir=get_reg(i_regs->regmap,INVCP);
assert(ir>=0);
emit_cmpmem_indexedsr12_reg(ir,temp,1);
#else
- emit_cmpmem_indexedsr12_imm((int)invalid_code,temp,1);
+ emit_cmpmem_indexedsr12_imm(invalid_code,temp,1);
#endif
#if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT)
emit_callne(invalidate_addr_reg[temp]);
#else
- jaddr2=(int)out;
+ void *jaddr2 = out;
emit_jne(0);
- add_stub(INVCODE_STUB,jaddr2,(int)out,reglist|(1<<HOST_CCREG),temp,0,0,0);
+ add_stub(INVCODE_STUB,jaddr2,out,reglist|(1<<HOST_CCREG),temp,0,0,0);
#endif
}
- /*
- emit_pusha();
- //save_regs(0x100f);
- emit_readword((int)&last_count,ECX);
- if(get_reg(i_regs->regmap,CCREG)<0)
- emit_loadreg(CCREG,HOST_CCREG);
- emit_add(HOST_CCREG,ECX,HOST_CCREG);
- emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG);
- emit_writeword(HOST_CCREG,(int)&Count);
- emit_call((int)memdebug);
- emit_popa();
- //restore_regs(0x100f);
- /**/
}
-void c1ls_assemble(int i,struct regstat *i_regs)
+static void cop0_assemble(int i,struct regstat *i_regs)
{
-#ifndef DISABLE_COP1
- int s,th,tl;
- int temp,ar;
- int map=-1;
- int offset;
- int c=0;
- int jaddr,jaddr2=0,jaddr3,type;
- int agr=AGEN1+(i&1);
- u_int hr,reglist=0;
- th=get_reg(i_regs->regmap,FTEMP|64);
- tl=get_reg(i_regs->regmap,FTEMP);
- s=get_reg(i_regs->regmap,rs1[i]);
- temp=get_reg(i_regs->regmap,agr);
- if(temp<0) temp=get_reg(i_regs->regmap,-1);
- offset=imm[i];
- assert(tl>=0);
- assert(rs1[i]>0);
- assert(temp>=0);
- for(hr=0;hr<HOST_REGS;hr++) {
- if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
- }
- if(i_regs->regmap[HOST_CCREG]==CCREG) reglist&=~(1<<HOST_CCREG);
- if (opcode[i]==0x31||opcode[i]==0x35) // LWC1/LDC1
- {
- // Loads use a temporary register which we need to save
- reglist|=1<<temp;
- }
- if (opcode[i]==0x39||opcode[i]==0x3D) // SWC1/SDC1
- ar=temp;
- else // LWC1/LDC1
- ar=tl;
- //if(s<0) emit_loadreg(rs1[i],ar); //address_generation does this now
- //else c=(i_regs->wasconst>>s)&1;
- if(s>=0) c=(i_regs->wasconst>>s)&1;
- // Check cop1 unusable
- if(!cop1_usable) {
- signed char rs=get_reg(i_regs->regmap,CSREG);
- assert(rs>=0);
- emit_testimm(rs,0x20000000);
- jaddr=(int)out;
- emit_jeq(0);
- add_stub(FP_STUB,jaddr,(int)out,i,rs,(int)i_regs,is_delayslot,0);
- cop1_usable=1;
- }
- if (opcode[i]==0x39) { // SWC1 (get float address)
- emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],tl);
- }
- if (opcode[i]==0x3D) { // SDC1 (get double address)
- emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],tl);
- }
- // Generate address + offset
- if(!using_tlb) {
- if(!c)
- emit_cmpimm(offset||c||s<0?ar:s,RAM_SIZE);
- }
- else
+ if(opcode2[i]==0) // MFC0
{
- map=get_reg(i_regs->regmap,TLREG);
- assert(map>=0);
- reglist&=~(1<<map);
- if (opcode[i]==0x31||opcode[i]==0x35) { // LWC1/LDC1
- map=do_tlb_r(offset||c||s<0?ar:s,ar,map,0,-1,-1,c,constmap[i][s]+offset);
- }
- if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1
- map=do_tlb_w(offset||c||s<0?ar:s,ar,map,0,c,constmap[i][s]+offset);
+ signed char t=get_reg(i_regs->regmap,rt1[i]);
+ u_int copr=(source[i]>>11)&0x1f;
+ //assert(t>=0); // Why does this happen? OOT is weird
+ if(t>=0&&rt1[i]!=0) {
+ emit_readword(®_cop0[copr],t);
}
}
- if (opcode[i]==0x39) { // SWC1 (read float)
- emit_readword_indexed(0,tl,tl);
- }
- if (opcode[i]==0x3D) { // SDC1 (read double)
- emit_readword_indexed(4,tl,th);
- emit_readword_indexed(0,tl,tl);
- }
- if (opcode[i]==0x31) { // LWC1 (get target address)
- emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],temp);
- }
- if (opcode[i]==0x35) { // LDC1 (get target address)
- emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],temp);
- }
- if(!using_tlb) {
- if(!c) {
- jaddr2=(int)out;
- emit_jno(0);
- }
- else if(((signed int)(constmap[i][s]+offset))>=(signed int)0x80000000+RAM_SIZE) {
- jaddr2=(int)out;
- emit_jmp(0); // inline_readstub/inline_writestub? Very rare case
- }
- #ifdef DESTRUCTIVE_SHIFT
- if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1
- if(!offset&&!c&&s>=0) emit_mov(s,ar);
- }
- #endif
- }else{
- if (opcode[i]==0x31||opcode[i]==0x35) { // LWC1/LDC1
- do_tlb_r_branch(map,c,constmap[i][s]+offset,&jaddr2);
+ else if(opcode2[i]==4) // MTC0
+ {
+ signed char s=get_reg(i_regs->regmap,rs1[i]);
+ char copr=(source[i]>>11)&0x1f;
+ assert(s>=0);
+ wb_register(rs1[i],i_regs->regmap,i_regs->dirty);
+ if(copr==9||copr==11||copr==12||copr==13) {
+ emit_readword(&last_count,HOST_TEMPREG);
+ emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
+ emit_add(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
+ emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
+ emit_writeword(HOST_CCREG,&Count);
+ }
+ // What a mess. The status register (12) can enable interrupts,
+ // so needs a special case to handle a pending interrupt.
+ // The interrupt must be taken immediately, because a subsequent
+ // instruction might disable interrupts again.
+ if(copr==12||copr==13) {
+ if (is_delayslot) {
+ // burn cycles to cause cc_interrupt, which will
+ // reschedule next_interupt. Relies on CCREG from above.
+ assem_debug("MTC0 DS %d\n", copr);
+ emit_writeword(HOST_CCREG,&last_count);
+ emit_movimm(0,HOST_CCREG);
+ emit_storereg(CCREG,HOST_CCREG);
+ emit_loadreg(rs1[i],1);
+ emit_movimm(copr,0);
+ emit_call(pcsx_mtc0_ds);
+ emit_loadreg(rs1[i],s);
+ return;
+ }
+ emit_movimm(start+i*4+4,HOST_TEMPREG);
+ emit_writeword(HOST_TEMPREG,&pcaddr);
+ emit_movimm(0,HOST_TEMPREG);
+ emit_writeword(HOST_TEMPREG,&pending_exception);
+ }
+ //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12);
+ //else
+ if(s==HOST_CCREG)
+ emit_loadreg(rs1[i],1);
+ else if(s!=1)
+ emit_mov(s,1);
+ emit_movimm(copr,0);
+ emit_call(pcsx_mtc0);
+ if(copr==9||copr==11||copr==12||copr==13) {
+ emit_readword(&Count,HOST_CCREG);
+ emit_readword(&next_interupt,HOST_TEMPREG);
+ emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
+ emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
+ emit_writeword(HOST_TEMPREG,&last_count);
+ emit_storereg(CCREG,HOST_CCREG);
}
- if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1
- do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr2);
+ if(copr==12||copr==13) {
+ assert(!is_delayslot);
+ emit_readword(&pending_exception,14);
+ emit_test(14,14);
+ void *jaddr = out;
+ emit_jeq(0);
+ emit_readword(&pcaddr, 0);
+ emit_addimm(HOST_CCREG,2,HOST_CCREG);
+ emit_call(get_addr_ht);
+ emit_jmpreg(0);
+ set_jump_target(jaddr, out);
}
+ emit_loadreg(rs1[i],s);
}
- if (opcode[i]==0x31) { // LWC1
- //if(s>=0&&!c&&!offset) emit_mov(s,tl);
- //gen_tlb_addr_r(ar,map);
- //emit_readword_indexed((int)rdram-0x80000000,tl,tl);
- #ifdef HOST_IMM_ADDR32
- if(c) emit_readword_tlb(constmap[i][s]+offset,map,tl);
- else
- #endif
- emit_readword_indexed_tlb(0,offset||c||s<0?tl:s,map,tl);
- type=LOADW_STUB;
- }
- if (opcode[i]==0x35) { // LDC1
- assert(th>=0);
- //if(s>=0&&!c&&!offset) emit_mov(s,tl);
- //gen_tlb_addr_r(ar,map);
- //emit_readword_indexed((int)rdram-0x80000000,tl,th);
- //emit_readword_indexed((int)rdram-0x7FFFFFFC,tl,tl);
- #ifdef HOST_IMM_ADDR32
- if(c) emit_readdword_tlb(constmap[i][s]+offset,map,th,tl);
- else
- #endif
- emit_readdword_indexed_tlb(0,offset||c||s<0?tl:s,map,th,tl);
- type=LOADD_STUB;
- }
- if (opcode[i]==0x39) { // SWC1
- //emit_writeword_indexed(tl,(int)rdram-0x80000000,temp);
- emit_writeword_indexed_tlb(tl,0,offset||c||s<0?temp:s,map,temp);
- type=STOREW_STUB;
- }
- if (opcode[i]==0x3D) { // SDC1
- assert(th>=0);
- //emit_writeword_indexed(th,(int)rdram-0x80000000,temp);
- //emit_writeword_indexed(tl,(int)rdram-0x7FFFFFFC,temp);
- emit_writedword_indexed_tlb(th,tl,0,offset||c||s<0?temp:s,map,temp);
- type=STORED_STUB;
- }
- if(!using_tlb&&!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
- if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1
- #ifndef DESTRUCTIVE_SHIFT
- temp=offset||c||s<0?ar:s;
- #endif
- #if defined(HOST_IMM8)
- int ir=get_reg(i_regs->regmap,INVCP);
- assert(ir>=0);
- emit_cmpmem_indexedsr12_reg(ir,temp,1);
- #else
- emit_cmpmem_indexedsr12_imm((int)invalid_code,temp,1);
- #endif
- #if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT)
- emit_callne(invalidate_addr_reg[temp]);
- #else
- jaddr3=(int)out;
- emit_jne(0);
- add_stub(INVCODE_STUB,jaddr3,(int)out,reglist|(1<<HOST_CCREG),temp,0,0,0);
- #endif
+ else
+ {
+ assert(opcode2[i]==0x10);
+ //if((source[i]&0x3f)==0x10) // RFE
+ {
+ emit_readword(&Status,0);
+ emit_andimm(0,0x3c,1);
+ emit_andimm(0,~0xf,0);
+ emit_orrshr_imm(1,2,0);
+ emit_writeword(0,&Status);
}
}
- if(jaddr2) add_stub(type,jaddr2,(int)out,i,offset||c||s<0?ar:s,(int)i_regs,ccadj[i],reglist);
- if (opcode[i]==0x31) { // LWC1 (write float)
- emit_writeword_indexed(tl,0,temp);
+}
+
+static void cop1_unusable(int i,struct regstat *i_regs)
+{
+ // XXX: should just just do the exception instead
+ //if(!cop1_usable)
+ {
+ void *jaddr=out;
+ emit_jmp(0);
+ add_stub_r(FP_STUB,jaddr,out,i,0,i_regs,is_delayslot,0);
}
- if (opcode[i]==0x35) { // LDC1 (write double)
- emit_writeword_indexed(th,4,temp);
- emit_writeword_indexed(tl,0,temp);
+}
+
+static void cop1_assemble(int i,struct regstat *i_regs)
+{
+ cop1_unusable(i, i_regs);
+}
+
+static void c1ls_assemble(int i,struct regstat *i_regs)
+{
+ cop1_unusable(i, i_regs);
+}
+
+// FP_STUB
+static void do_cop1stub(int n)
+{
+ literal_pool(256);
+ assem_debug("do_cop1stub %x\n",start+stubs[n].a*4);
+ set_jump_target(stubs[n].addr, out);
+ int i=stubs[n].a;
+// int rs=stubs[n].b;
+ struct regstat *i_regs=(struct regstat *)stubs[n].c;
+ int ds=stubs[n].d;
+ if(!ds) {
+ load_all_consts(regs[i].regmap_entry,regs[i].wasdirty,i);
+ //if(i_regs!=®s[i]) printf("oops: regs[i]=%x i_regs=%x",(int)®s[i],(int)i_regs);
+ }
+ //else {printf("fp exception in delay slot\n");}
+ wb_dirtys(i_regs->regmap_entry,i_regs->wasdirty);
+ if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
+ emit_movimm(start+(i-ds)*4,EAX); // Get PC
+ emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle...
+ emit_jmp(ds?fp_exception_ds:fp_exception);
+}
+
+static void cop2_get_dreg(u_int copr,signed char tl,signed char temp)
+{
+ switch (copr) {
+ case 1:
+ case 3:
+ case 5:
+ case 8:
+ case 9:
+ case 10:
+ case 11:
+ emit_readword(®_cop2d[copr],tl);
+ emit_signextend16(tl,tl);
+ emit_writeword(tl,®_cop2d[copr]); // hmh
+ break;
+ case 7:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ emit_readword(®_cop2d[copr],tl);
+ emit_andimm(tl,0xffff,tl);
+ emit_writeword(tl,®_cop2d[copr]);
+ break;
+ case 15:
+ emit_readword(®_cop2d[14],tl); // SXY2
+ emit_writeword(tl,®_cop2d[copr]);
+ break;
+ case 28:
+ case 29:
+ c2op_mfc2_29_assemble(tl,temp);
+ break;
+ default:
+ emit_readword(®_cop2d[copr],tl);
+ break;
}
- //if(opcode[i]==0x39)
- /*if(opcode[i]==0x39||opcode[i]==0x31)
- {
- emit_pusha();
- emit_readword((int)&last_count,ECX);
- if(get_reg(i_regs->regmap,CCREG)<0)
- emit_loadreg(CCREG,HOST_CCREG);
- emit_add(HOST_CCREG,ECX,HOST_CCREG);
- emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG);
- emit_writeword(HOST_CCREG,(int)&Count);
- emit_call((int)memdebug);
- emit_popa();
- }/**/
+}
+
+static void cop2_put_dreg(u_int copr,signed char sl,signed char temp)
+{
+ switch (copr) {
+ case 15:
+ emit_readword(®_cop2d[13],temp); // SXY1
+ emit_writeword(sl,®_cop2d[copr]);
+ emit_writeword(temp,®_cop2d[12]); // SXY0
+ emit_readword(®_cop2d[14],temp); // SXY2
+ emit_writeword(sl,®_cop2d[14]);
+ emit_writeword(temp,®_cop2d[13]); // SXY1
+ break;
+ case 28:
+ emit_andimm(sl,0x001f,temp);
+ emit_shlimm(temp,7,temp);
+ emit_writeword(temp,®_cop2d[9]);
+ emit_andimm(sl,0x03e0,temp);
+ emit_shlimm(temp,2,temp);
+ emit_writeword(temp,®_cop2d[10]);
+ emit_andimm(sl,0x7c00,temp);
+ emit_shrimm(temp,3,temp);
+ emit_writeword(temp,®_cop2d[11]);
+ emit_writeword(sl,®_cop2d[28]);
+ break;
+ case 30:
+ emit_xorsar_imm(sl,sl,31,temp);
+#if defined(HAVE_ARMV5) || defined(__aarch64__)
+ emit_clz(temp,temp);
#else
- cop1_unusable(i, i_regs);
+ emit_movs(temp,HOST_TEMPREG);
+ emit_movimm(0,temp);
+ emit_jeq((int)out+4*4);
+ emit_addpl_imm(temp,1,temp);
+ emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG);
+ emit_jns((int)out-2*4);
#endif
+ emit_writeword(sl,®_cop2d[30]);
+ emit_writeword(temp,®_cop2d[31]);
+ break;
+ case 31:
+ break;
+ default:
+ emit_writeword(sl,®_cop2d[copr]);
+ break;
+ }
}
-void c2ls_assemble(int i,struct regstat *i_regs)
+static void c2ls_assemble(int i,struct regstat *i_regs)
{
int s,tl;
int ar;
int offset;
int memtarget=0,c=0;
- int jaddr2=0,jaddr3,type;
+ void *jaddr2=NULL;
+ enum stub_type type;
int agr=AGEN1+(i&1);
- int fastio_reg_override=0;
+ int fastio_reg_override=-1;
u_int hr,reglist=0;
u_int copr=(source[i]>>16)&0x1f;
s=get_reg(i_regs->regmap,rs1[i]);
offset=imm[i];
assert(rs1[i]>0);
assert(tl>=0);
- assert(!using_tlb);
for(hr=0;hr<HOST_REGS;hr++) {
if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
assert(ar>=0);
if (opcode[i]==0x3a) { // SWC2
- cop2_get_dreg(copr,tl,HOST_TEMPREG);
+ cop2_get_dreg(copr,tl,-1);
type=STOREW_STUB;
}
else
type=LOADW_STUB;
if(c&&!memtarget) {
- jaddr2=(int)out;
+ jaddr2=out;
emit_jmp(0); // inline_readstub/inline_writestub?
}
else {
if(!c) {
jaddr2=emit_fastpath_cmp_jump(i,ar,&fastio_reg_override);
}
+ else if(ram_offset&&memtarget) {
+ host_tempreg_acquire();
+ emit_addimm(ar,ram_offset,HOST_TEMPREG);
+ fastio_reg_override=HOST_TEMPREG;
+ }
if (opcode[i]==0x32) { // LWC2
- #ifdef HOST_IMM_ADDR32
- if(c) emit_readword_tlb(constmap[i][s]+offset,-1,tl);
- else
- #endif
int a=ar;
- if(fastio_reg_override) a=fastio_reg_override;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
emit_readword_indexed(0,a,tl);
}
if (opcode[i]==0x3a) { // SWC2
if(!offset&&!c&&s>=0) emit_mov(s,ar);
#endif
int a=ar;
- if(fastio_reg_override) a=fastio_reg_override;
+ if(fastio_reg_override>=0) a=fastio_reg_override;
emit_writeword_indexed(tl,0,a);
}
}
+ if(fastio_reg_override==HOST_TEMPREG)
+ host_tempreg_release();
if(jaddr2)
- add_stub(type,jaddr2,(int)out,i,ar,(int)i_regs,ccadj[i],reglist);
+ add_stub_r(type,jaddr2,out,i,ar,i_regs,ccadj[i],reglist);
if(opcode[i]==0x3a) // SWC2
if(!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
#if defined(HOST_IMM8)
assert(ir>=0);
emit_cmpmem_indexedsr12_reg(ir,ar,1);
#else
- emit_cmpmem_indexedsr12_imm((int)invalid_code,ar,1);
+ emit_cmpmem_indexedsr12_imm(invalid_code,ar,1);
#endif
#if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT)
emit_callne(invalidate_addr_reg[ar]);
#else
- jaddr3=(int)out;
+ void *jaddr3 = out;
emit_jne(0);
- add_stub(INVCODE_STUB,jaddr3,(int)out,reglist|(1<<HOST_CCREG),ar,0,0,0);
+ add_stub(INVCODE_STUB,jaddr3,out,reglist|(1<<HOST_CCREG),ar,0,0,0);
#endif
}
if (opcode[i]==0x32) { // LWC2
+ host_tempreg_acquire();
cop2_put_dreg(copr,tl,HOST_TEMPREG);
+ host_tempreg_release();
+ }
+}
+
+static void cop2_assemble(int i,struct regstat *i_regs)
+{
+ u_int copr=(source[i]>>11)&0x1f;
+ signed char temp=get_reg(i_regs->regmap,-1);
+ if (opcode2[i]==0) { // MFC2
+ signed char tl=get_reg(i_regs->regmap,rt1[i]);
+ if(tl>=0&&rt1[i]!=0)
+ cop2_get_dreg(copr,tl,temp);
+ }
+ else if (opcode2[i]==4) { // MTC2
+ signed char sl=get_reg(i_regs->regmap,rs1[i]);
+ cop2_put_dreg(copr,sl,temp);
+ }
+ else if (opcode2[i]==2) // CFC2
+ {
+ signed char tl=get_reg(i_regs->regmap,rt1[i]);
+ if(tl>=0&&rt1[i]!=0)
+ emit_readword(®_cop2c[copr],tl);
+ }
+ else if (opcode2[i]==6) // CTC2
+ {
+ signed char sl=get_reg(i_regs->regmap,rs1[i]);
+ switch(copr) {
+ case 4:
+ case 12:
+ case 20:
+ case 26:
+ case 27:
+ case 29:
+ case 30:
+ emit_signextend16(sl,temp);
+ break;
+ case 31:
+ c2op_ctc2_31_assemble(sl,temp);
+ break;
+ default:
+ temp=sl;
+ break;
+ }
+ emit_writeword(temp,®_cop2c[copr]);
+ assert(sl>=0);
}
}
+static void do_unalignedwritestub(int n)
+{
+ assem_debug("do_unalignedwritestub %x\n",start+stubs[n].a*4);
+ literal_pool(256);
+ set_jump_target(stubs[n].addr, out);
+
+ int i=stubs[n].a;
+ struct regstat *i_regs=(struct regstat *)stubs[n].c;
+ int addr=stubs[n].b;
+ u_int reglist=stubs[n].e;
+ signed char *i_regmap=i_regs->regmap;
+ int temp2=get_reg(i_regmap,FTEMP);
+ int rt;
+ rt=get_reg(i_regmap,rs2[i]);
+ assert(rt>=0);
+ assert(addr>=0);
+ assert(opcode[i]==0x2a||opcode[i]==0x2e); // SWL/SWR only implemented
+ reglist|=(1<<addr);
+ reglist&=~(1<<temp2);
+
+#if 1
+ // don't bother with it and call write handler
+ save_regs(reglist);
+ pass_args(addr,rt);
+ int cc=get_reg(i_regmap,CCREG);
+ if(cc<0)
+ emit_loadreg(CCREG,2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
+ emit_call((opcode[i]==0x2a?jump_handle_swl:jump_handle_swr));
+ emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
+ if(cc<0)
+ emit_storereg(CCREG,2);
+ restore_regs(reglist);
+ emit_jmp(stubs[n].retaddr); // return address
+#else
+ emit_andimm(addr,0xfffffffc,temp2);
+ emit_writeword(temp2,&address);
+
+ save_regs(reglist);
+ emit_shrimm(addr,16,1);
+ int cc=get_reg(i_regmap,CCREG);
+ if(cc<0) {
+ emit_loadreg(CCREG,2);
+ }
+ emit_movimm((u_int)readmem,0);
+ emit_addimm(cc<0?2:cc,2*stubs[n].d+2,2);
+ emit_call((int)&indirect_jump_indexed);
+ restore_regs(reglist);
+
+ emit_readword(&readmem_dword,temp2);
+ int temp=addr; //hmh
+ emit_shlimm(addr,3,temp);
+ emit_andimm(temp,24,temp);
+ if (opcode[i]==0x2a) // SWL
+ emit_xorimm(temp,24,temp);
+ emit_movimm(-1,HOST_TEMPREG);
+ if (opcode[i]==0x2a) { // SWL
+ emit_bic_lsr(temp2,HOST_TEMPREG,temp,temp2);
+ emit_orrshr(rt,temp,temp2);
+ }else{
+ emit_bic_lsl(temp2,HOST_TEMPREG,temp,temp2);
+ emit_orrshl(rt,temp,temp2);
+ }
+ emit_readword(&address,addr);
+ emit_writeword(temp2,&word);
+ //save_regs(reglist); // don't need to, no state changes
+ emit_shrimm(addr,16,1);
+ emit_movimm((u_int)writemem,0);
+ //emit_call((int)&indirect_jump_indexed);
+ emit_mov(15,14);
+ emit_readword_dualindexedx4(0,1,15);
+ emit_readword(&Count,HOST_TEMPREG);
+ emit_readword(&next_interupt,2);
+ emit_addimm(HOST_TEMPREG,-2*stubs[n].d-2,HOST_TEMPREG);
+ emit_writeword(2,&last_count);
+ emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
+ if(cc<0) {
+ emit_storereg(CCREG,HOST_TEMPREG);
+ }
+ restore_regs(reglist);
+ emit_jmp(stubs[n].retaddr); // return address
+#endif
+}
+
#ifndef multdiv_assemble
void multdiv_assemble(int i,struct regstat *i_regs)
{
printf("Need multdiv_assemble for this architecture.\n");
- exit(1);
+ abort();
}
#endif
-void mov_assemble(int i,struct regstat *i_regs)
+static void mov_assemble(int i,struct regstat *i_regs)
{
//if(opcode2[i]==0x10||opcode2[i]==0x12) { // MFHI/MFLO
//if(opcode2[i]==0x11||opcode2[i]==0x13) { // MTHI/MTLO
if(rt1[i]) {
- signed char sh,sl,th,tl;
- th=get_reg(i_regs->regmap,rt1[i]|64);
+ signed char sl,tl;
tl=get_reg(i_regs->regmap,rt1[i]);
//assert(tl>=0);
if(tl>=0) {
- sh=get_reg(i_regs->regmap,rs1[i]|64);
sl=get_reg(i_regs->regmap,rs1[i]);
if(sl>=0) emit_mov(sl,tl);
else emit_loadreg(rs1[i],tl);
- if(th>=0) {
- if(sh>=0) emit_mov(sh,th);
- else emit_loadreg(rs1[i]|64,th);
- }
}
}
}
-#ifndef fconv_assemble
-void fconv_assemble(int i,struct regstat *i_regs)
+// call interpreter, exception handler, things that change pc/regs/cycles ...
+static void call_c_cpu_handler(int i, const struct regstat *i_regs, u_int pc, void *func)
{
- printf("Need fconv_assemble for this architecture.\n");
- exit(1);
+ signed char ccreg=get_reg(i_regs->regmap,CCREG);
+ assert(ccreg==HOST_CCREG);
+ assert(!is_delayslot);
+ (void)ccreg;
+
+ emit_movimm(pc,3); // Get PC
+ emit_readword(&last_count,2);
+ emit_writeword(3,&psxRegs.pc);
+ emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // XXX
+ emit_add(2,HOST_CCREG,2);
+ emit_writeword(2,&psxRegs.cycle);
+ emit_call(func);
+ emit_jmp(jump_to_new_pc);
}
-#endif
-#if 0
-void float_assemble(int i,struct regstat *i_regs)
+static void syscall_assemble(int i,struct regstat *i_regs)
{
- printf("Need float_assemble for this architecture.\n");
- exit(1);
+ emit_movimm(0x20,0); // cause code
+ emit_movimm(0,1); // not in delay slot
+ call_c_cpu_handler(i,i_regs,start+i*4,psxException);
}
-#endif
-void syscall_assemble(int i,struct regstat *i_regs)
+static void hlecall_assemble(int i,struct regstat *i_regs)
{
- signed char ccreg=get_reg(i_regs->regmap,CCREG);
- assert(ccreg==HOST_CCREG);
- assert(!is_delayslot);
- emit_movimm(start+i*4,EAX); // Get PC
- emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle...
- emit_jmp((int)jump_syscall_hle); // XXX
+ void *hlefunc = psxNULL;
+ uint32_t hleCode = source[i] & 0x03ffffff;
+ if (hleCode < ARRAY_SIZE(psxHLEt))
+ hlefunc = psxHLEt[hleCode];
+
+ call_c_cpu_handler(i,i_regs,start+i*4+4,hlefunc);
}
-void hlecall_assemble(int i,struct regstat *i_regs)
+static void intcall_assemble(int i,struct regstat *i_regs)
{
- signed char ccreg=get_reg(i_regs->regmap,CCREG);
- assert(ccreg==HOST_CCREG);
- assert(!is_delayslot);
- emit_movimm(start+i*4+4,0); // Get PC
- emit_movimm((int)psxHLEt[source[i]&7],1);
- emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // XXX
- emit_jmp((int)jump_hlecall);
+ call_c_cpu_handler(i,i_regs,start+i*4,execI);
}
-void intcall_assemble(int i,struct regstat *i_regs)
+static void speculate_mov(int rs,int rt)
{
- signed char ccreg=get_reg(i_regs->regmap,CCREG);
- assert(ccreg==HOST_CCREG);
- assert(!is_delayslot);
- emit_movimm(start+i*4,0); // Get PC
- emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
- emit_jmp((int)jump_intcall);
+ if(rt!=0) {
+ smrv_strong_next|=1<<rt;
+ smrv[rt]=smrv[rs];
+ }
+}
+
+static void speculate_mov_weak(int rs,int rt)
+{
+ if(rt!=0) {
+ smrv_weak_next|=1<<rt;
+ smrv[rt]=smrv[rs];
+ }
+}
+
+static void speculate_register_values(int i)
+{
+ if(i==0) {
+ memcpy(smrv,psxRegs.GPR.r,sizeof(smrv));
+ // gp,sp are likely to stay the same throughout the block
+ smrv_strong_next=(1<<28)|(1<<29)|(1<<30);
+ smrv_weak_next=~smrv_strong_next;
+ //printf(" llr %08x\n", smrv[4]);
+ }
+ smrv_strong=smrv_strong_next;
+ smrv_weak=smrv_weak_next;
+ switch(itype[i]) {
+ case ALU:
+ if ((smrv_strong>>rs1[i])&1) speculate_mov(rs1[i],rt1[i]);
+ else if((smrv_strong>>rs2[i])&1) speculate_mov(rs2[i],rt1[i]);
+ else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]);
+ else if((smrv_weak>>rs2[i])&1) speculate_mov_weak(rs2[i],rt1[i]);
+ else {
+ smrv_strong_next&=~(1<<rt1[i]);
+ smrv_weak_next&=~(1<<rt1[i]);
+ }
+ break;
+ case SHIFTIMM:
+ smrv_strong_next&=~(1<<rt1[i]);
+ smrv_weak_next&=~(1<<rt1[i]);
+ // fallthrough
+ case IMM16:
+ if(rt1[i]&&is_const(®s[i],rt1[i])) {
+ int value,hr=get_reg(regs[i].regmap,rt1[i]);
+ if(hr>=0) {
+ if(get_final_value(hr,i,&value))
+ smrv[rt1[i]]=value;
+ else smrv[rt1[i]]=constmap[i][hr];
+ smrv_strong_next|=1<<rt1[i];
+ }
+ }
+ else {
+ if ((smrv_strong>>rs1[i])&1) speculate_mov(rs1[i],rt1[i]);
+ else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]);
+ }
+ break;
+ case LOAD:
+ if(start<0x2000&&(rt1[i]==26||(smrv[rt1[i]]>>24)==0xa0)) {
+ // special case for BIOS
+ smrv[rt1[i]]=0xa0000000;
+ smrv_strong_next|=1<<rt1[i];
+ break;
+ }
+ // fallthrough
+ case SHIFT:
+ case LOADLR:
+ case MOV:
+ smrv_strong_next&=~(1<<rt1[i]);
+ smrv_weak_next&=~(1<<rt1[i]);
+ break;
+ case COP0:
+ case COP2:
+ if(opcode2[i]==0||opcode2[i]==2) { // MFC/CFC
+ smrv_strong_next&=~(1<<rt1[i]);
+ smrv_weak_next&=~(1<<rt1[i]);
+ }
+ break;
+ case C2LS:
+ if (opcode[i]==0x32) { // LWC2
+ smrv_strong_next&=~(1<<rt1[i]);
+ smrv_weak_next&=~(1<<rt1[i]);
+ }
+ break;
+ }
+#if 0
+ int r=4;
+ printf("x %08x %08x %d %d c %08x %08x\n",smrv[r],start+i*4,
+ ((smrv_strong>>r)&1),(smrv_weak>>r)&1,regs[i].isconst,regs[i].wasconst);
+#endif
}
-void ds_assemble(int i,struct regstat *i_regs)
+static void ds_assemble(int i,struct regstat *i_regs)
{
speculate_register_values(i);
is_delayslot=1;
c2ls_assemble(i,i_regs);break;
case C2OP:
c2op_assemble(i,i_regs);break;
- case FCONV:
- fconv_assemble(i,i_regs);break;
- case FLOAT:
- float_assemble(i,i_regs);break;
- case FCOMP:
- fcomp_assemble(i,i_regs);break;
case MULTDIV:
multdiv_assemble(i,i_regs);break;
case MOV:
case RJUMP:
case CJUMP:
case SJUMP:
- case FJUMP:
- printf("Jump in the delay slot. This is probably a bug.\n");
+ SysPrintf("Jump in the delay slot. This is probably a bug.\n");
}
is_delayslot=0;
}
// Is the branch target a valid internal jump?
-int internal_branch(uint64_t i_is32,int addr)
+static int internal_branch(int addr)
{
if(addr&1) return 0; // Indirect (register) jump
if(addr>=start && addr<start+slen*4-4)
{
- int t=(addr-start)>>2;
- // Delay slots are not valid branch targets
- //if(t>0&&(itype[t-1]==RJUMP||itype[t-1]==UJUMP||itype[t-1]==CJUMP||itype[t-1]==SJUMP||itype[t-1]==FJUMP)) return 0;
- // 64 -> 32 bit transition requires a recompile
- /*if(is32[t]&~unneeded_reg_upper[t]&~i_is32)
- {
- if(requires_32bit[t]&~i_is32) printf("optimizable: no\n");
- else printf("optimizable: yes\n");
- }*/
- //if(is32[t]&~unneeded_reg_upper[t]&~i_is32) return 0;
-#ifndef FORCE32
- if(requires_32bit[t]&~i_is32) return 0;
- else
-#endif
- return 1;
+ return 1;
}
return 0;
}
-#ifndef wb_invalidate
-void wb_invalidate(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32,
- uint64_t u,uint64_t uu)
+static void wb_invalidate(signed char pre[],signed char entry[],uint64_t dirty,uint64_t u)
{
int hr;
for(hr=0;hr<HOST_REGS;hr++) {
if(pre[hr]>=0) {
if((dirty>>hr)&1) {
if(get_reg(entry,pre[hr])<0) {
- if(pre[hr]<64) {
- if(!((u>>pre[hr])&1)) {
- emit_storereg(pre[hr],hr);
- if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) {
- emit_sarimm(hr,31,hr);
- emit_storereg(pre[hr]|64,hr);
- }
- }
- }else{
- if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) {
- emit_storereg(pre[hr],hr);
- }
- }
+ assert(pre[hr]<64);
+ if(!((u>>pre[hr])&1))
+ emit_storereg(pre[hr],hr);
}
}
}
}
}
}
-#endif
// Load the specified registers
// This only loads the registers given as arguments because
// we don't want to load things that will be overwritten
-void load_regs(signed char entry[],signed char regmap[],int is32,int rs1,int rs2)
+static void load_regs(signed char entry[],signed char regmap[],int rs1,int rs2)
{
int hr;
// Load 32-bit regs
}
}
}
- //Load 64-bit regs
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG&®map[hr]>=0) {
- if(entry[hr]!=regmap[hr]) {
- if(regmap[hr]-64==rs1||regmap[hr]-64==rs2)
- {
- assert(regmap[hr]!=64);
- if((is32>>(regmap[hr]&63))&1) {
- int lr=get_reg(regmap,regmap[hr]-64);
- if(lr>=0)
- emit_sarimm(lr,31,hr);
- else
- emit_loadreg(regmap[hr],hr);
- }
- else
- {
- emit_loadreg(regmap[hr],hr);
- }
- }
- }
- }
- }
}
// Load registers prior to the start of a loop
if(itype[i]==LOAD||itype[i]==LOADLR||itype[i]==STORE||itype[i]==STORELR||itype[i]==C1LS||itype[i]==C2LS) {
int ra=-1;
int agr=AGEN1+(i&1);
- int mgr=MGEN1+(i&1);
if(itype[i]==LOAD) {
ra=get_reg(i_regs->regmap,rt1[i]);
- if(ra<0) ra=get_reg(i_regs->regmap,-1);
+ if(ra<0) ra=get_reg(i_regs->regmap,-1);
assert(ra>=0);
}
if(itype[i]==LOADLR) {
}
}
int rs=get_reg(i_regs->regmap,rs1[i]);
- int rm=get_reg(i_regs->regmap,TLREG);
if(ra>=0) {
int offset=imm[i];
int c=(i_regs->wasconst>>rs)&1;
if(rs1[i]==0) {
// Using r0 as a base address
- /*if(rm>=0) {
- if(!entry||entry[rm]!=mgr) {
- generate_map_const(offset,rm);
- } // else did it in the previous cycle
- }*/
if(!entry||entry[ra]!=agr) {
if (opcode[i]==0x22||opcode[i]==0x26) {
emit_movimm(offset&0xFFFFFFFC,ra); // LWL/LWR
// printf("poor load scheduling!\n");
}
else if(c) {
-#ifndef DISABLE_TLB
- if(rm>=0) {
- if(!entry||entry[rm]!=mgr) {
- if(itype[i]==STORE||itype[i]==STORELR||(opcode[i]&0x3b)==0x39||(opcode[i]&0x3b)==0x3a) {
- // Stores to memory go thru the mapper to detect self-modifying
- // code, loads don't.
- if((unsigned int)(constmap[i][rs]+offset)>=0xC0000000 ||
- (unsigned int)(constmap[i][rs]+offset)<0x80000000+RAM_SIZE )
- generate_map_const(constmap[i][rs]+offset,rm);
- }else{
- if((signed int)(constmap[i][rs]+offset)>=(signed int)0xC0000000)
- generate_map_const(constmap[i][rs]+offset,rm);
- }
- }
- }
-#endif
if(rs1[i]!=rt1[i]||itype[i]!=LOAD) {
if(!entry||entry[ra]!=agr) {
if (opcode[i]==0x22||opcode[i]==0x26) {
}else if (opcode[i]==0x1a||opcode[i]==0x1b) {
emit_movimm((constmap[i][rs]+offset)&0xFFFFFFF8,ra); // LDL/LDR
}else{
- #ifdef HOST_IMM_ADDR32
- if((itype[i]!=LOAD&&(opcode[i]&0x3b)!=0x31&&(opcode[i]&0x3b)!=0x32) || // LWC1/LDC1/LWC2/LDC2
- (using_tlb&&((signed int)constmap[i][rs]+offset)>=(signed int)0xC0000000))
- #endif
emit_movimm(constmap[i][rs]+offset,ra);
regs[i].loadedconst|=1<<ra;
}
// Preload constants for next instruction
if(itype[i+1]==LOAD||itype[i+1]==LOADLR||itype[i+1]==STORE||itype[i+1]==STORELR||itype[i+1]==C1LS||itype[i+1]==C2LS) {
int agr,ra;
- #if !defined(HOST_IMM_ADDR32) && !defined(DISABLE_TLB)
- // Mapper entry
- agr=MGEN1+((i+1)&1);
- ra=get_reg(i_regs->regmap,agr);
- if(ra>=0) {
- int rs=get_reg(regs[i+1].regmap,rs1[i+1]);
- int offset=imm[i+1];
- int c=(regs[i+1].wasconst>>rs)&1;
- if(c) {
- if(itype[i+1]==STORE||itype[i+1]==STORELR
- ||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a) { // SWC1/SDC1, SWC2/SDC2
- // Stores to memory go thru the mapper to detect self-modifying
- // code, loads don't.
- if((unsigned int)(constmap[i+1][rs]+offset)>=0xC0000000 ||
- (unsigned int)(constmap[i+1][rs]+offset)<0x80000000+RAM_SIZE )
- generate_map_const(constmap[i+1][rs]+offset,ra);
- }else{
- if((signed int)(constmap[i+1][rs]+offset)>=(signed int)0xC0000000)
- generate_map_const(constmap[i+1][rs]+offset,ra);
- }
- }
- /*else if(rs1[i]==0) {
- generate_map_const(offset,ra);
- }*/
- }
- #endif
// Actual address
agr=AGEN1+((i+1)&1);
ra=get_reg(i_regs->regmap,agr);
}else if (opcode[i+1]==0x1a||opcode[i+1]==0x1b) {
emit_movimm((constmap[i+1][rs]+offset)&0xFFFFFFF8,ra); // LDL/LDR
}else{
- #ifdef HOST_IMM_ADDR32
- if((itype[i+1]!=LOAD&&(opcode[i+1]&0x3b)!=0x31&&(opcode[i+1]&0x3b)!=0x32) || // LWC1/LDC1/LWC2/LDC2
- (using_tlb&&((signed int)constmap[i+1][rs]+offset)>=(signed int)0xC0000000))
- #endif
emit_movimm(constmap[i+1][rs]+offset,ra);
regs[i+1].loadedconst|=1<<ra;
}
}
}
-int get_final_value(int hr, int i, int *value)
+static int get_final_value(int hr, int i, int *value)
{
int reg=regs[i].regmap[hr];
while(i<slen-1) {
// Load in delay slot, out-of-order execution
if(itype[i+2]==LOAD&&rs1[i+2]==reg&&rt1[i+2]==reg&&((regs[i+1].wasconst>>hr)&1))
{
- #ifdef HOST_IMM_ADDR32
- if(!using_tlb||((signed int)constmap[i][hr]+imm[i+2])<(signed int)0xC0000000) return 0;
- #endif
// Precompute load address
*value=constmap[i][hr]+imm[i+2];
return 1;
}
if(itype[i+1]==LOAD&&rs1[i+1]==reg&&rt1[i+1]==reg)
{
- #ifdef HOST_IMM_ADDR32
- if(!using_tlb||((signed int)constmap[i][hr]+imm[i+1])<(signed int)0xC0000000) return 0;
- #endif
// Precompute load address
*value=constmap[i][hr]+imm[i+1];
- //printf("c=%x imm=%x\n",(int)constmap[i][hr],imm[i+1]);
+ //printf("c=%x imm=%lx\n",(long)constmap[i][hr],imm[i+1]);
return 1;
}
}
}
*value=constmap[i][hr];
- //printf("c=%x\n",(int)constmap[i][hr]);
+ //printf("c=%lx\n",(long)constmap[i][hr]);
if(i==slen-1) return 1;
- if(reg<64) {
- return !((unneeded_reg[i+1]>>reg)&1);
- }else{
- return !((unneeded_reg_upper[i+1]>>reg)&1);
- }
+ assert(reg < 64);
+ return !((unneeded_reg[i+1]>>reg)&1);
}
// Load registers with known constants
-void load_consts(signed char pre[],signed char regmap[],int is32,int i)
+static void load_consts(signed char pre[],signed char regmap[],int i)
{
int hr,hr2;
// propagate loaded constant flags
if(hr!=EXCLUDE_REG&®map[hr]>=0) {
//if(entry[hr]!=regmap[hr]) {
if(!((regs[i].loadedconst>>hr)&1)) {
- if(((regs[i].isconst>>hr)&1)&®map[hr]<64&®map[hr]>0) {
+ assert(regmap[hr]<64);
+ if(((regs[i].isconst>>hr)&1)&®map[hr]>0) {
int value,similar=0;
if(get_final_value(hr,i,&value)) {
// see if some other register has similar value
}
}
}
- // Load 64-bit regs
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG&®map[hr]>=0) {
- //if(entry[hr]!=regmap[hr]) {
- if(i==0||!((regs[i-1].isconst>>hr)&1)||pre[hr]!=regmap[hr]||bt[i]) {
- if(((regs[i].isconst>>hr)&1)&®map[hr]>64) {
- if((is32>>(regmap[hr]&63))&1) {
- int lr=get_reg(regmap,regmap[hr]-64);
- assert(lr>=0);
- emit_sarimm(lr,31,hr);
- }
- else
- {
- int value;
- if(get_final_value(hr,i,&value)) {
- if(value==0) {
- emit_zeroreg(hr);
- }
- else {
- emit_movimm(value,hr);
- }
- }
- }
- }
- }
- }
- }
}
-void load_all_consts(signed char regmap[],int is32,u_int dirty,int i)
+
+void load_all_consts(signed char regmap[], u_int dirty, int i)
{
int hr;
// Load 32-bit regs
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG&®map[hr]>=0&&((dirty>>hr)&1)) {
- if(((regs[i].isconst>>hr)&1)&®map[hr]<64&®map[hr]>0) {
+ assert(regmap[hr] < 64);
+ if(((regs[i].isconst>>hr)&1)&®map[hr]>0) {
int value=constmap[i][hr];
if(value==0) {
emit_zeroreg(hr);
}
}
}
- // Load 64-bit regs
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG&®map[hr]>=0&&((dirty>>hr)&1)) {
- if(((regs[i].isconst>>hr)&1)&®map[hr]>64) {
- if((is32>>(regmap[hr]&63))&1) {
- int lr=get_reg(regmap,regmap[hr]-64);
- assert(lr>=0);
- emit_sarimm(lr,31,hr);
- }
- else
- {
- int value=constmap[i][hr];
- if(value==0) {
- emit_zeroreg(hr);
- }
- else {
- emit_movimm(value,hr);
- }
- }
- }
- }
- }
}
// Write out all dirty registers (except cycle count)
-void wb_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty)
+static void wb_dirtys(signed char i_regmap[],uint64_t i_dirty)
{
int hr;
for(hr=0;hr<HOST_REGS;hr++) {
if(i_regmap[hr]>0) {
if(i_regmap[hr]!=CCREG) {
if((i_dirty>>hr)&1) {
- if(i_regmap[hr]<64) {
- emit_storereg(i_regmap[hr],hr);
-#ifndef FORCE32
- if( ((i_is32>>i_regmap[hr])&1) ) {
- #ifdef DESTRUCTIVE_WRITEBACK
- emit_sarimm(hr,31,hr);
- emit_storereg(i_regmap[hr]|64,hr);
- #else
- emit_sarimm(hr,31,HOST_TEMPREG);
- emit_storereg(i_regmap[hr]|64,HOST_TEMPREG);
- #endif
- }
-#endif
- }else{
- if( !((i_is32>>(i_regmap[hr]&63))&1) ) {
- emit_storereg(i_regmap[hr],hr);
- }
- }
+ assert(i_regmap[hr]<64);
+ emit_storereg(i_regmap[hr],hr);
}
}
}
}
}
}
+
// Write out dirty registers that we need to reload (pair with load_needed_regs)
// This writes the registers not written by store_regs_bt
-void wb_needed_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr)
+void wb_needed_dirtys(signed char i_regmap[],uint64_t i_dirty,int addr)
{
int hr;
int t=(addr-start)>>2;
if(hr!=EXCLUDE_REG) {
if(i_regmap[hr]>0) {
if(i_regmap[hr]!=CCREG) {
- if(i_regmap[hr]==regs[t].regmap_entry[hr] && ((regs[t].dirty>>hr)&1) && !(((i_is32&~regs[t].was32&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)) {
+ if(i_regmap[hr]==regs[t].regmap_entry[hr] && ((regs[t].dirty>>hr)&1)) {
if((i_dirty>>hr)&1) {
- if(i_regmap[hr]<64) {
- emit_storereg(i_regmap[hr],hr);
-#ifndef FORCE32
- if( ((i_is32>>i_regmap[hr])&1) ) {
- #ifdef DESTRUCTIVE_WRITEBACK
- emit_sarimm(hr,31,hr);
- emit_storereg(i_regmap[hr]|64,hr);
- #else
- emit_sarimm(hr,31,HOST_TEMPREG);
- emit_storereg(i_regmap[hr]|64,HOST_TEMPREG);
- #endif
- }
-#endif
- }else{
- if( !((i_is32>>(i_regmap[hr]&63))&1) ) {
- emit_storereg(i_regmap[hr],hr);
- }
- }
+ assert(i_regmap[hr]<64);
+ emit_storereg(i_regmap[hr],hr);
}
}
}
}
}
}
- // Load 64-bit regs
- for(hr=0;hr<HOST_REGS;hr++) {
- if(regs[t].regmap_entry[hr]>=64&®s[t].regmap_entry[hr]<TEMPREG+64) {
- assert(regs[t].regmap_entry[hr]!=64);
- if((regs[t].was32>>(regs[t].regmap_entry[hr]&63))&1) {
- int lr=get_reg(regs[t].regmap_entry,regs[t].regmap_entry[hr]-64);
- if(lr<0) {
- emit_loadreg(regs[t].regmap_entry[hr],hr);
- }
- else
- {
- emit_sarimm(lr,31,hr);
- }
- }
- else
- {
- emit_loadreg(regs[t].regmap_entry[hr],hr);
- }
- }
- }
}
// Store dirty registers prior to branch
-void store_regs_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr)
+void store_regs_bt(signed char i_regmap[],uint64_t i_dirty,int addr)
{
- if(internal_branch(i_is32,addr))
+ if(internal_branch(addr))
{
int t=(addr-start)>>2;
int hr;
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG) {
if(i_regmap[hr]>0 && i_regmap[hr]!=CCREG) {
- if(i_regmap[hr]!=regs[t].regmap_entry[hr] || !((regs[t].dirty>>hr)&1) || (((i_is32&~regs[t].was32&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)) {
+ if(i_regmap[hr]!=regs[t].regmap_entry[hr] || !((regs[t].dirty>>hr)&1)) {
if((i_dirty>>hr)&1) {
- if(i_regmap[hr]<64) {
- if(!((unneeded_reg[t]>>i_regmap[hr])&1)) {
- emit_storereg(i_regmap[hr],hr);
- if( ((i_is32>>i_regmap[hr])&1) && !((unneeded_reg_upper[t]>>i_regmap[hr])&1) ) {
- #ifdef DESTRUCTIVE_WRITEBACK
- emit_sarimm(hr,31,hr);
- emit_storereg(i_regmap[hr]|64,hr);
- #else
- emit_sarimm(hr,31,HOST_TEMPREG);
- emit_storereg(i_regmap[hr]|64,HOST_TEMPREG);
- #endif
- }
- }
- }else{
- if( !((i_is32>>(i_regmap[hr]&63))&1) && !((unneeded_reg_upper[t]>>(i_regmap[hr]&63))&1) ) {
- emit_storereg(i_regmap[hr],hr);
- }
- }
+ assert(i_regmap[hr]<64);
+ if(!((unneeded_reg[t]>>i_regmap[hr])&1))
+ emit_storereg(i_regmap[hr],hr);
}
}
}
else
{
// Branch out of this block, write out all dirty regs
- wb_dirtys(i_regmap,i_is32,i_dirty);
+ wb_dirtys(i_regmap,i_dirty);
}
}
// Load all needed registers for branch target
-void load_regs_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr)
+static void load_regs_bt(signed char i_regmap[],uint64_t i_dirty,int addr)
{
//if(addr>=start && addr<(start+slen*4))
- if(internal_branch(i_is32,addr))
+ if(internal_branch(addr))
{
int t=(addr-start)>>2;
int hr;
// Load 32-bit regs
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG&®s[t].regmap_entry[hr]>=0&®s[t].regmap_entry[hr]<TEMPREG) {
- #ifdef DESTRUCTIVE_WRITEBACK
- if(i_regmap[hr]!=regs[t].regmap_entry[hr] || ( !((regs[t].dirty>>hr)&1) && ((i_dirty>>hr)&1) && (((i_is32&~unneeded_reg_upper[t])>>i_regmap[hr])&1) ) || (((i_is32&~regs[t].was32&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)) {
- #else
- if(i_regmap[hr]!=regs[t].regmap_entry[hr] ) {
- #endif
+ if(i_regmap[hr]!=regs[t].regmap_entry[hr]) {
if(regs[t].regmap_entry[hr]==0) {
emit_zeroreg(hr);
}
}
}
}
- //Load 64-bit regs
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG&®s[t].regmap_entry[hr]>=64&®s[t].regmap_entry[hr]<TEMPREG+64) {
- if(i_regmap[hr]!=regs[t].regmap_entry[hr]) {
- assert(regs[t].regmap_entry[hr]!=64);
- if((i_is32>>(regs[t].regmap_entry[hr]&63))&1) {
- int lr=get_reg(regs[t].regmap_entry,regs[t].regmap_entry[hr]-64);
- if(lr<0) {
- emit_loadreg(regs[t].regmap_entry[hr],hr);
- }
- else
- {
- emit_sarimm(lr,31,hr);
- }
- }
- else
- {
- emit_loadreg(regs[t].regmap_entry[hr],hr);
- }
- }
- else if((i_is32>>(regs[t].regmap_entry[hr]&63))&1) {
- int lr=get_reg(regs[t].regmap_entry,regs[t].regmap_entry[hr]-64);
- assert(lr>=0);
- emit_sarimm(lr,31,hr);
- }
- }
- }
}
}
-int match_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr)
+static int match_bt(signed char i_regmap[],uint64_t i_dirty,int addr)
{
if(addr>=start && addr<start+slen*4-4)
{
{
return 0;
}
- else
+ else
if((i_dirty>>hr)&1)
{
if(i_regmap[hr]<TEMPREG)
}
else if(i_regmap[hr]>=64&&i_regmap[hr]<TEMPREG+64)
{
- if(!((unneeded_reg_upper[t]>>(i_regmap[hr]&63))&1))
- return 0;
+ assert(0);
}
}
}
}
}
}
- if((((regs[t].was32^i_is32)&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)
- {
- //printf("%x: is32 no match\n",addr);
- return 0;
- }
}
}
}
- //if(is32[t]&~unneeded_reg_upper[t]&~i_is32) return 0;
-#ifndef FORCE32
- if(requires_32bit[t]&~i_is32) return 0;
-#endif
// Delay slots are not valid branch targets
- //if(t>0&&(itype[t-1]==RJUMP||itype[t-1]==UJUMP||itype[t-1]==CJUMP||itype[t-1]==SJUMP||itype[t-1]==FJUMP)) return 0;
+ //if(t>0&&(itype[t-1]==RJUMP||itype[t-1]==UJUMP||itype[t-1]==CJUMP||itype[t-1]==SJUMP)) return 0;
// Delay slots require additional processing, so do not match
if(is_ds[t]) return 0;
}
return 1;
}
+#ifdef DRC_DBG
+static void drc_dbg_emit_do_cmp(int i)
+{
+ extern void do_insn_cmp();
+ //extern int cycle;
+ u_int hr,reglist=0;
+
+ for(hr=0;hr<HOST_REGS;hr++)
+ if(regs[i].regmap[hr]>=0) reglist|=1<<hr;
+ save_regs(reglist);
+ emit_movimm(start+i*4,0);
+ emit_writeword(0,&pcaddr);
+ emit_call(do_insn_cmp);
+ //emit_readword(&cycle,0);
+ //emit_addimm(0,2,0);
+ //emit_writeword(0,&cycle);
+ (void)get_reg2;
+ restore_regs(reglist);
+}
+#else
+#define drc_dbg_emit_do_cmp(x)
+#endif
+
// Used when a branch jumps into the delay slot of another branch
-void ds_assemble_entry(int i)
+static void ds_assemble_entry(int i)
{
int t=(ba[i]-start)>>2;
- if(!instr_addr[t]) instr_addr[t]=(u_int)out;
+ if (!instr_addr[t])
+ instr_addr[t] = out;
assem_debug("Assemble delay slot at %x\n",ba[i]);
assem_debug("<->\n");
+ drc_dbg_emit_do_cmp(t);
if(regs[t].regmap_entry[HOST_CCREG]==CCREG&®s[t].regmap[HOST_CCREG]!=CCREG)
- wb_register(CCREG,regs[t].regmap_entry,regs[t].wasdirty,regs[t].was32);
- load_regs(regs[t].regmap_entry,regs[t].regmap,regs[t].was32,rs1[t],rs2[t]);
+ wb_register(CCREG,regs[t].regmap_entry,regs[t].wasdirty);
+ load_regs(regs[t].regmap_entry,regs[t].regmap,rs1[t],rs2[t]);
address_generation(t,®s[t],regs[t].regmap_entry);
if(itype[t]==STORE||itype[t]==STORELR||(opcode[t]&0x3b)==0x39||(opcode[t]&0x3b)==0x3a)
- load_regs(regs[t].regmap_entry,regs[t].regmap,regs[t].was32,INVCP,INVCP);
- cop1_usable=0;
+ load_regs(regs[t].regmap_entry,regs[t].regmap,INVCP,INVCP);
is_delayslot=0;
switch(itype[t]) {
case ALU:
c2ls_assemble(t,®s[t]);break;
case C2OP:
c2op_assemble(t,®s[t]);break;
- case FCONV:
- fconv_assemble(t,®s[t]);break;
- case FLOAT:
- float_assemble(t,®s[t]);break;
- case FCOMP:
- fcomp_assemble(t,®s[t]);break;
case MULTDIV:
multdiv_assemble(t,®s[t]);break;
case MOV:
case RJUMP:
case CJUMP:
case SJUMP:
- case FJUMP:
- printf("Jump in the delay slot. This is probably a bug.\n");
+ SysPrintf("Jump in the delay slot. This is probably a bug.\n");
}
- store_regs_bt(regs[t].regmap,regs[t].is32,regs[t].dirty,ba[i]+4);
- load_regs_bt(regs[t].regmap,regs[t].is32,regs[t].dirty,ba[i]+4);
- if(internal_branch(regs[t].is32,ba[i]+4))
+ store_regs_bt(regs[t].regmap,regs[t].dirty,ba[i]+4);
+ load_regs_bt(regs[t].regmap,regs[t].dirty,ba[i]+4);
+ if(internal_branch(ba[i]+4))
assem_debug("branch: internal\n");
else
assem_debug("branch: external\n");
- assert(internal_branch(regs[t].is32,ba[i]+4));
- add_to_linker((int)out,ba[i]+4,internal_branch(regs[t].is32,ba[i]+4));
+ assert(internal_branch(ba[i]+4));
+ add_to_linker(out,ba[i]+4,internal_branch(ba[i]+4));
emit_jmp(0);
}
+static void emit_extjump(void *addr, u_int target)
+{
+ emit_extjump2(addr, target, dyna_linker);
+}
+
+static void emit_extjump_ds(void *addr, u_int target)
+{
+ emit_extjump2(addr, target, dyna_linker_ds);
+}
+
+// Load 2 immediates optimizing for small code size
+static void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2)
+{
+ emit_movimm(imm1,rt1);
+ emit_movimm_from(imm1,rt1,imm2,rt2);
+}
+
void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert)
{
int count;
- int jaddr;
- int idle=0;
+ void *jaddr;
+ void *idle=NULL;
+ int t=0;
if(itype[i]==RJUMP)
{
*adj=0;
}
//if(ba[i]>=start && ba[i]<(start+slen*4))
- if(internal_branch(branch_regs[i].is32,ba[i]))
+ if(internal_branch(ba[i]))
{
- int t=(ba[i]-start)>>2;
+ t=(ba[i]-start)>>2;
if(is_ds[t]) *adj=-1; // Branch into delay slot adds an extra cycle
else *adj=ccadj[t];
}
if(taken==TAKEN && i==(ba[i]-start)>>2 && source[i+1]==0) {
// Idle loop
if(count&1) emit_addimm_and_set_flags(2*(count+2),HOST_CCREG);
- idle=(int)out;
+ idle=out;
//emit_subfrommem(&idlecount,HOST_CCREG); // Count idle cycles
emit_andimm(HOST_CCREG,3,HOST_CCREG);
- jaddr=(int)out;
+ jaddr=out;
emit_jmp(0);
}
else if(*adj==0||invert) {
- emit_addimm_and_set_flags(CLOCK_ADJUST(count+2),HOST_CCREG);
- jaddr=(int)out;
+ int cycles=CLOCK_ADJUST(count+2);
+ // faster loop HACK
+ if (t&&*adj) {
+ int rel=t-i;
+ if(-NO_CYCLE_PENALTY_THR<rel&&rel<0)
+ cycles=CLOCK_ADJUST(*adj)+count+2-*adj;
+ }
+ emit_addimm_and_set_flags(cycles,HOST_CCREG);
+ jaddr=out;
emit_jns(0);
}
else
{
emit_cmpimm(HOST_CCREG,-CLOCK_ADJUST(count+2));
- jaddr=(int)out;
+ jaddr=out;
emit_jns(0);
}
- add_stub(CC_STUB,jaddr,idle?idle:(int)out,(*adj==0||invert||idle)?0:(count+2),i,addr,taken,0);
+ add_stub(CC_STUB,jaddr,idle?idle:out,(*adj==0||invert||idle)?0:(count+2),i,addr,taken,0);
}
-void do_ccstub(int n)
+static void do_ccstub(int n)
{
literal_pool(256);
- assem_debug("do_ccstub %x\n",start+stubs[n][4]*4);
- set_jump_target(stubs[n][1],(int)out);
- int i=stubs[n][4];
- if(stubs[n][6]==NULLDS) {
+ assem_debug("do_ccstub %x\n",start+(u_int)stubs[n].b*4);
+ set_jump_target(stubs[n].addr, out);
+ int i=stubs[n].b;
+ if(stubs[n].d==NULLDS) {
// Delay slot instruction is nullified ("likely" branch)
- wb_dirtys(regs[i].regmap,regs[i].is32,regs[i].dirty);
+ wb_dirtys(regs[i].regmap,regs[i].dirty);
}
- else if(stubs[n][6]!=TAKEN) {
- wb_dirtys(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty);
+ else if(stubs[n].d!=TAKEN) {
+ wb_dirtys(branch_regs[i].regmap,branch_regs[i].dirty);
}
else {
- if(internal_branch(branch_regs[i].is32,ba[i]))
- wb_needed_dirtys(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ if(internal_branch(ba[i]))
+ wb_needed_dirtys(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
}
- if(stubs[n][5]!=-1)
+ if(stubs[n].c!=-1)
{
// Save PC as return address
- emit_movimm(stubs[n][5],EAX);
- emit_writeword(EAX,(int)&pcaddr);
+ emit_movimm(stubs[n].c,EAX);
+ emit_writeword(EAX,&pcaddr);
}
else
{
// Return address depends on which way the branch goes
- if(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==CJUMP||itype[i]==SJUMP)
{
int s1l=get_reg(branch_regs[i].regmap,rs1[i]);
- int s1h=get_reg(branch_regs[i].regmap,rs1[i]|64);
int s2l=get_reg(branch_regs[i].regmap,rs2[i]);
- int s2h=get_reg(branch_regs[i].regmap,rs2[i]|64);
if(rs1[i]==0)
{
- s1l=s2l;s1h=s2h;
- s2l=s2h=-1;
+ s1l=s2l;
+ s2l=-1;
}
else if(rs2[i]==0)
{
- s2l=s2h=-1;
- }
- if((branch_regs[i].is32>>rs1[i])&(branch_regs[i].is32>>rs2[i])&1) {
- s1h=s2h=-1;
+ s2l=-1;
}
assert(s1l>=0);
#ifdef DESTRUCTIVE_WRITEBACK
if(rs1[i]) {
- if((branch_regs[i].dirty>>s1l)&(branch_regs[i].is32>>rs1[i])&1)
+ if((branch_regs[i].dirty>>s1l)&&1)
emit_loadreg(rs1[i],s1l);
- }
+ }
else {
- if((branch_regs[i].dirty>>s1l)&(branch_regs[i].is32>>rs2[i])&1)
+ if((branch_regs[i].dirty>>s1l)&1)
emit_loadreg(rs2[i],s1l);
}
if(s2l>=0)
- if((branch_regs[i].dirty>>s2l)&(branch_regs[i].is32>>rs2[i])&1)
+ if((branch_regs[i].dirty>>s2l)&1)
emit_loadreg(rs2[i],s2l);
#endif
int hr=0;
if((opcode[i]&0x2f)==4) // BEQ
{
#ifdef HAVE_CMOV_IMM
- if(s1h<0) {
- if(s2l>=0) emit_cmp(s1l,s2l);
- else emit_test(s1l,s1l);
- emit_cmov2imm_e_ne_compact(ba[i],start+i*4+8,addr);
- }
- else
+ if(s2l>=0) emit_cmp(s1l,s2l);
+ else emit_test(s1l,s1l);
+ emit_cmov2imm_e_ne_compact(ba[i],start+i*4+8,addr);
+ #else
+ emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt);
+ if(s2l>=0) emit_cmp(s1l,s2l);
+ else emit_test(s1l,s1l);
+ emit_cmovne_reg(alt,addr);
#endif
- {
- emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt);
- if(s1h>=0) {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- emit_cmovne_reg(alt,addr);
- }
- if(s2l>=0) emit_cmp(s1l,s2l);
- else emit_test(s1l,s1l);
- emit_cmovne_reg(alt,addr);
- }
}
if((opcode[i]&0x2f)==5) // BNE
{
#ifdef HAVE_CMOV_IMM
- if(s1h<0) {
- if(s2l>=0) emit_cmp(s1l,s2l);
- else emit_test(s1l,s1l);
- emit_cmov2imm_e_ne_compact(start+i*4+8,ba[i],addr);
- }
- else
+ if(s2l>=0) emit_cmp(s1l,s2l);
+ else emit_test(s1l,s1l);
+ emit_cmov2imm_e_ne_compact(start+i*4+8,ba[i],addr);
+ #else
+ emit_mov2imm_compact(start+i*4+8,addr,ba[i],alt);
+ if(s2l>=0) emit_cmp(s1l,s2l);
+ else emit_test(s1l,s1l);
+ emit_cmovne_reg(alt,addr);
#endif
- {
- emit_mov2imm_compact(start+i*4+8,addr,ba[i],alt);
- if(s1h>=0) {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- emit_cmovne_reg(alt,addr);
- }
- if(s2l>=0) emit_cmp(s1l,s2l);
- else emit_test(s1l,s1l);
- emit_cmovne_reg(alt,addr);
- }
}
if((opcode[i]&0x2f)==6) // BLEZ
{
//emit_movimm(start+i*4+8,addr);
emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr);
emit_cmpimm(s1l,1);
- if(s1h>=0) emit_mov(addr,ntaddr);
emit_cmovl_reg(alt,addr);
- if(s1h>=0) {
- emit_test(s1h,s1h);
- emit_cmovne_reg(ntaddr,addr);
- emit_cmovs_reg(alt,addr);
- }
}
if((opcode[i]&0x2f)==7) // BGTZ
{
//emit_movimm(start+i*4+8,ntaddr);
emit_mov2imm_compact(ba[i],addr,start+i*4+8,ntaddr);
emit_cmpimm(s1l,1);
- if(s1h>=0) emit_mov(addr,alt);
emit_cmovl_reg(ntaddr,addr);
- if(s1h>=0) {
- emit_test(s1h,s1h);
- emit_cmovne_reg(alt,addr);
- emit_cmovs_reg(ntaddr,addr);
- }
}
if((opcode[i]==1)&&(opcode2[i]&0x2D)==0) // BLTZ
{
//emit_movimm(ba[i],alt);
//emit_movimm(start+i*4+8,addr);
emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr);
- if(s1h>=0) emit_test(s1h,s1h);
- else emit_test(s1l,s1l);
+ emit_test(s1l,s1l);
emit_cmovs_reg(alt,addr);
}
if((opcode[i]==1)&&(opcode2[i]&0x2D)==1) // BGEZ
//emit_movimm(ba[i],addr);
//emit_movimm(start+i*4+8,alt);
emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt);
- if(s1h>=0) emit_test(s1h,s1h);
- else emit_test(s1l,s1l);
+ emit_test(s1l,s1l);
emit_cmovs_reg(alt,addr);
}
if(opcode[i]==0x11 && opcode2[i]==0x08 ) {
emit_cmovne_reg(alt,addr);
}
}
- emit_writeword(addr,(int)&pcaddr);
+ emit_writeword(addr,&pcaddr);
}
else
if(itype[i]==RJUMP)
if(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1]) {
r=get_reg(branch_regs[i].regmap,RTEMP);
}
- emit_writeword(r,(int)&pcaddr);
+ emit_writeword(r,&pcaddr);
}
- else {printf("Unknown branch type in do_ccstub\n");exit(1);}
+ else {SysPrintf("Unknown branch type in do_ccstub\n");abort();}
}
// Update cycle count
assert(branch_regs[i].regmap[HOST_CCREG]==CCREG||branch_regs[i].regmap[HOST_CCREG]==-1);
- if(stubs[n][3]) emit_addimm(HOST_CCREG,CLOCK_ADJUST((int)stubs[n][3]),HOST_CCREG);
- emit_call((int)cc_interrupt);
- if(stubs[n][3]) emit_addimm(HOST_CCREG,-CLOCK_ADJUST((int)stubs[n][3]),HOST_CCREG);
- if(stubs[n][6]==TAKEN) {
- if(internal_branch(branch_regs[i].is32,ba[i]))
+ if(stubs[n].a) emit_addimm(HOST_CCREG,CLOCK_ADJUST((signed int)stubs[n].a),HOST_CCREG);
+ emit_call(cc_interrupt);
+ if(stubs[n].a) emit_addimm(HOST_CCREG,-CLOCK_ADJUST((signed int)stubs[n].a),HOST_CCREG);
+ if(stubs[n].d==TAKEN) {
+ if(internal_branch(ba[i]))
load_needed_regs(branch_regs[i].regmap,regs[(ba[i]-start)>>2].regmap_entry);
else if(itype[i]==RJUMP) {
if(get_reg(branch_regs[i].regmap,RTEMP)>=0)
- emit_readword((int)&pcaddr,get_reg(branch_regs[i].regmap,RTEMP));
+ emit_readword(&pcaddr,get_reg(branch_regs[i].regmap,RTEMP));
else
emit_loadreg(rs1[i],get_reg(branch_regs[i].regmap,rs1[i]));
}
- }else if(stubs[n][6]==NOTTAKEN) {
+ }else if(stubs[n].d==NOTTAKEN) {
if(i<slen-2) load_needed_regs(branch_regs[i].regmap,regmap_pre[i+2]);
else load_all_regs(branch_regs[i].regmap);
- }else if(stubs[n][6]==NULLDS) {
+ }else if(stubs[n].d==NULLDS) {
// Delay slot instruction is nullified ("likely" branch)
if(i<slen-2) load_needed_regs(regs[i].regmap,regmap_pre[i+2]);
else load_all_regs(regs[i].regmap);
}else{
load_all_regs(branch_regs[i].regmap);
}
- emit_jmp(stubs[n][2]); // return address
-
- /* This works but uses a lot of memory...
- emit_readword((int)&last_count,ECX);
- emit_add(HOST_CCREG,ECX,EAX);
- emit_writeword(EAX,(int)&Count);
- emit_call((int)gen_interupt);
- emit_readword((int)&Count,HOST_CCREG);
- emit_readword((int)&next_interupt,EAX);
- emit_readword((int)&pending_exception,EBX);
- emit_writeword(EAX,(int)&last_count);
- emit_sub(HOST_CCREG,EAX,HOST_CCREG);
- emit_test(EBX,EBX);
- int jne_instr=(int)out;
- emit_jne(0);
- if(stubs[n][3]) emit_addimm(HOST_CCREG,-2*stubs[n][3],HOST_CCREG);
- load_all_regs(branch_regs[i].regmap);
- emit_jmp(stubs[n][2]); // return address
- set_jump_target(jne_instr,(int)out);
- emit_readword((int)&pcaddr,EAX);
- // Call get_addr_ht instead of doing the hash table here.
- // This code is executed infrequently and takes up a lot of space
- // so smaller is better.
- emit_storereg(CCREG,HOST_CCREG);
- emit_pushreg(EAX);
- emit_call((int)get_addr_ht);
- emit_loadreg(CCREG,HOST_CCREG);
- emit_addimm(ESP,4,ESP);
- emit_jmpreg(EAX);*/
-}
-
-add_to_linker(int addr,int target,int ext)
-{
- link_addr[linkcount][0]=addr;
- link_addr[linkcount][1]=target;
- link_addr[linkcount][2]=ext;
+ if (stubs[n].retaddr)
+ emit_jmp(stubs[n].retaddr);
+ else
+ do_jump_vaddr(stubs[n].e);
+}
+
+static void add_to_linker(void *addr, u_int target, int ext)
+{
+ assert(linkcount < ARRAY_SIZE(link_addr));
+ link_addr[linkcount].addr = addr;
+ link_addr[linkcount].target = target;
+ link_addr[linkcount].ext = ext;
linkcount++;
}
return_address=start+i*4+8;
if(rt>=0) {
#ifdef USE_MINI_HT
- if(internal_branch(branch_regs[i].is32,return_address)&&rt1[i+1]!=31) {
+ if(internal_branch(return_address)&&rt1[i+1]!=31) {
int temp=-1; // note: must be ds-safe
#ifdef HOST_TEMPREG
temp=HOST_TEMPREG;
#endif
{
#ifdef REG_PREFETCH
- if(temp>=0)
+ if(temp>=0)
{
- if(i_regmap[temp]!=PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp);
+ if(i_regmap[temp]!=PTEMP) emit_movimm((uintptr_t)hash_table_get(return_address),temp);
}
#endif
emit_movimm(return_address,rt); // PC into link register
#ifdef IMM_PREFETCH
- emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]);
+ emit_prefetch(hash_table_get(return_address));
#endif
}
}
}
-void ujump_assemble(int i,struct regstat *i_regs)
+static void ujump_assemble(int i,struct regstat *i_regs)
{
- signed char *i_regmap=i_regs->regmap;
int ra_done=0;
if(i==(ba[i]-start)>>2) assem_debug("idle loop\n");
address_generation(i+1,i_regs,regs[i].regmap_entry);
#ifdef REG_PREFETCH
int temp=get_reg(branch_regs[i].regmap,PTEMP);
- if(rt1[i]==31&&temp>=0)
+ if(rt1[i]==31&&temp>=0)
{
+ signed char *i_regmap=i_regs->regmap;
int return_address=start+i*4+8;
- if(get_reg(branch_regs[i].regmap,31)>0)
- if(i_regmap[temp]==PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp);
+ if(get_reg(branch_regs[i].regmap,31)>0)
+ if(i_regmap[temp]==PTEMP) emit_movimm((uintptr_t)hash_table_get(return_address),temp);
}
#endif
if(rt1[i]==31&&(rt1[i]==rs1[i+1]||rt1[i]==rs2[i+1])) {
}
ds_assemble(i+1,i_regs);
uint64_t bc_unneeded=branch_regs[i].u;
- uint64_t bc_unneeded_upper=branch_regs[i].uu;
bc_unneeded|=1|(1LL<<rt1[i]);
- bc_unneeded_upper|=1|(1LL<<rt1[i]);
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- bc_unneeded,bc_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
if(!ra_done&&rt1[i]==31)
ujump_assemble_write_ra(i);
int cc,adj;
cc=get_reg(branch_regs[i].regmap,CCREG);
assert(cc==HOST_CCREG);
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
#ifdef REG_PREFETCH
if(rt1[i]==31&&temp>=0) emit_prefetchreg(temp);
#endif
do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0);
if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- if(internal_branch(branch_regs[i].is32,ba[i]))
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
+ if(internal_branch(ba[i]))
assem_debug("branch: internal\n");
else
assem_debug("branch: external\n");
- if(internal_branch(branch_regs[i].is32,ba[i])&&is_ds[(ba[i]-start)>>2]) {
+ if(internal_branch(ba[i])&&is_ds[(ba[i]-start)>>2]) {
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal_branch(branch_regs[i].is32,ba[i]));
+ add_to_linker(out,ba[i],internal_branch(ba[i]));
emit_jmp(0);
}
}
assert(rt>=0);
return_address=start+i*4+8;
#ifdef REG_PREFETCH
- if(temp>=0)
+ if(temp>=0)
{
- if(i_regmap[temp]!=PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp);
+ if(i_regmap[temp]!=PTEMP) emit_movimm((uintptr_t)hash_table_get(return_address),temp);
}
#endif
emit_movimm(return_address,rt); // PC into link register
#ifdef IMM_PREFETCH
- emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]);
+ emit_prefetch(hash_table_get(return_address));
#endif
}
-void rjump_assemble(int i,struct regstat *i_regs)
+static void rjump_assemble(int i,struct regstat *i_regs)
{
- signed char *i_regmap=i_regs->regmap;
int temp;
- int rs,cc,adj;
+ int rs,cc;
int ra_done=0;
rs=get_reg(branch_regs[i].regmap,rs1[i]);
assert(rs>=0);
}
address_generation(i+1,i_regs,regs[i].regmap_entry);
#ifdef REG_PREFETCH
- if(rt1[i]==31)
+ if(rt1[i]==31)
{
if((temp=get_reg(branch_regs[i].regmap,PTEMP))>=0) {
+ signed char *i_regmap=i_regs->regmap;
int return_address=start+i*4+8;
- if(i_regmap[temp]==PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp);
+ if(i_regmap[temp]==PTEMP) emit_movimm((uintptr_t)hash_table_get(return_address),temp);
}
}
#endif
}
ds_assemble(i+1,i_regs);
uint64_t bc_unneeded=branch_regs[i].u;
- uint64_t bc_unneeded_upper=branch_regs[i].uu;
bc_unneeded|=1|(1LL<<rt1[i]);
- bc_unneeded_upper|=1|(1LL<<rt1[i]);
bc_unneeded&=~(1LL<<rs1[i]);
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- bc_unneeded,bc_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],CCREG);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i],CCREG);
if(!ra_done&&rt1[i]!=0)
rjump_assemble_write_ra(i);
cc=get_reg(branch_regs[i].regmap,CCREG);
assert(cc==HOST_CCREG);
+ (void)cc;
#ifdef USE_MINI_HT
int rh=get_reg(branch_regs[i].regmap,RHASH);
int ht=get_reg(branch_regs[i].regmap,RHTBL);
do_rhash(rs,rh);
}
#endif
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,-1);
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,-1);
#ifdef DESTRUCTIVE_WRITEBACK
- if((branch_regs[i].dirty>>rs)&(branch_regs[i].is32>>rs1[i])&1) {
+ if((branch_regs[i].dirty>>rs)&1) {
if(rs1[i]!=rt1[i+1]&&rs1[i]!=rt2[i+1]) {
emit_loadreg(rs1[i],rs);
}
//if(adj) emit_addimm(cc,2*(ccadj[i]+2-adj),cc); // ??? - Shouldn't happen
//assert(adj==0);
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
- add_stub(CC_STUB,(int)out,jump_vaddr_reg[rs],0,i,-1,TAKEN,0);
-#ifdef PCSX
+ add_stub(CC_STUB,out,NULL,0,i,-1,TAKEN,rs);
if(itype[i+1]==COP0&&(source[i+1]&0x3f)==0x10)
// special case for RFE
emit_jmp(0);
else
-#endif
- emit_jns(0);
- //load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,-1);
+ emit_jns(0);
+ //load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,-1);
#ifdef USE_MINI_HT
if(rs1[i]==31) {
do_miniht_jump(rs,rh,ht);
else
#endif
{
- //if(rs!=EAX) emit_mov(rs,EAX);
- //emit_jmp((int)jump_vaddr_eax);
- emit_jmp(jump_vaddr_reg[rs]);
- }
- /* Check hash table
- temp=!rs;
- emit_mov(rs,temp);
- emit_shrimm(rs,16,rs);
- emit_xor(temp,rs,rs);
- emit_movzwl_reg(rs,rs);
- emit_shlimm(rs,4,rs);
- emit_cmpmem_indexed((int)hash_table,rs,temp);
- emit_jne((int)out+14);
- emit_readword_indexed((int)hash_table+4,rs,rs);
- emit_jmpreg(rs);
- emit_cmpmem_indexed((int)hash_table+8,rs,temp);
- emit_addimm_no_flags(8,rs);
- emit_jeq((int)out-17);
- // No hit on hash table, call compiler
- emit_pushreg(temp);
-//DEBUG >
-#ifdef DEBUG_CYCLE_COUNT
- emit_readword((int)&last_count,ECX);
- emit_add(HOST_CCREG,ECX,HOST_CCREG);
- emit_readword((int)&next_interupt,ECX);
- emit_writeword(HOST_CCREG,(int)&Count);
- emit_sub(HOST_CCREG,ECX,HOST_CCREG);
- emit_writeword(ECX,(int)&last_count);
-#endif
-//DEBUG <
- emit_storereg(CCREG,HOST_CCREG);
- emit_call((int)get_addr);
- emit_loadreg(CCREG,HOST_CCREG);
- emit_addimm(ESP,4,ESP);
- emit_jmpreg(EAX);*/
+ do_jump_vaddr(rs);
+ }
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
if(rt1[i]!=31&&i<slen-2&&(((u_int)out)&7)) emit_mov(13,13);
#endif
}
-void cjump_assemble(int i,struct regstat *i_regs)
+static void cjump_assemble(int i,struct regstat *i_regs)
{
signed char *i_regmap=i_regs->regmap;
int cc;
int match;
- match=match_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ match=match_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
assem_debug("match=%d\n",match);
- int s1h,s1l,s2h,s2l;
- int prev_cop1_usable=cop1_usable;
+ int s1l,s2l;
int unconditional=0,nop=0;
- int only32=0;
int invert=0;
- int internal=internal_branch(branch_regs[i].is32,ba[i]);
+ int internal=internal_branch(ba[i]);
if(i==(ba[i]-start)>>2) assem_debug("idle loop\n");
if(!match) invert=1;
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
if(i>(ba[i]-start)>>2) invert=1;
#endif
-
+ #ifdef __aarch64__
+ invert=1; // because of near cond. branches
+ #endif
+
if(ooo[i]) {
s1l=get_reg(branch_regs[i].regmap,rs1[i]);
- s1h=get_reg(branch_regs[i].regmap,rs1[i]|64);
s2l=get_reg(branch_regs[i].regmap,rs2[i]);
- s2h=get_reg(branch_regs[i].regmap,rs2[i]|64);
}
else {
s1l=get_reg(i_regmap,rs1[i]);
- s1h=get_reg(i_regmap,rs1[i]|64);
s2l=get_reg(i_regmap,rs2[i]);
- s2h=get_reg(i_regmap,rs2[i]|64);
}
if(rs1[i]==0&&rs2[i]==0)
{
}
else if(rs1[i]==0)
{
- s1l=s2l;s1h=s2h;
- s2l=s2h=-1;
- only32=(regs[i].was32>>rs2[i])&1;
+ s1l=s2l;
+ s2l=-1;
}
else if(rs2[i]==0)
{
- s2l=s2h=-1;
- only32=(regs[i].was32>>rs1[i])&1;
- }
- else {
- only32=(regs[i].was32>>rs1[i])&(regs[i].was32>>rs2[i])&1;
+ s2l=-1;
}
if(ooo[i]) {
ds_assemble(i+1,i_regs);
int adj;
uint64_t bc_unneeded=branch_regs[i].u;
- uint64_t bc_unneeded_upper=branch_regs[i].uu;
bc_unneeded&=~((1LL<<rs1[i])|(1LL<<rs2[i]));
- bc_unneeded_upper&=~((1LL<<us1[i])|(1LL<<us2[i]));
bc_unneeded|=1;
- bc_unneeded_upper|=1;
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- bc_unneeded,bc_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],rs2[i]);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i],rs2[i]);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
cc=get_reg(branch_regs[i].regmap,CCREG);
assert(cc==HOST_CCREG);
- if(unconditional)
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ if(unconditional)
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
//do_cc(i,branch_regs[i].regmap,&adj,unconditional?ba[i]:-1,unconditional);
//assem_debug("cycle count (adj)\n");
if(unconditional) {
do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0);
if(i!=(ba[i]-start)>>2 || source[i+1]!=0) {
if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
if(internal)
assem_debug("branch: internal\n");
else
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jmp(0);
}
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
}
else if(nop) {
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
- int jaddr=(int)out;
+ void *jaddr=out;
emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0);
+ add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
}
else {
- int taken=0,nottaken=0,nottaken1=0;
+ void *taken = NULL, *nottaken = NULL, *nottaken1 = NULL;
do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert);
if(adj&&!invert) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- if(!only32)
- {
- assert(s1h>=0);
- if(opcode[i]==4) // BEQ
- {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- nottaken1=(int)out;
- emit_jne(1);
- }
- if(opcode[i]==5) // BNE
- {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- if(invert) taken=(int)out;
- else add_to_linker((int)out,ba[i],internal);
- emit_jne(0);
- }
- if(opcode[i]==6) // BLEZ
- {
- emit_test(s1h,s1h);
- if(invert) taken=(int)out;
- else add_to_linker((int)out,ba[i],internal);
- emit_js(0);
- nottaken1=(int)out;
- emit_jne(1);
- }
- if(opcode[i]==7) // BGTZ
- {
- emit_test(s1h,s1h);
- nottaken1=(int)out;
- emit_js(1);
- if(invert) taken=(int)out;
- else add_to_linker((int)out,ba[i],internal);
- emit_jne(0);
- }
- } // if(!only32)
-
+
//printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]);
assert(s1l>=0);
if(opcode[i]==4) // BEQ
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
if(invert){
- nottaken=(int)out;
- emit_jne(1);
+ nottaken=out;
+ emit_jne(DJT_1);
}else{
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jeq(0);
}
}
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
if(invert){
- nottaken=(int)out;
- emit_jeq(1);
+ nottaken=out;
+ emit_jeq(DJT_1);
}else{
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jne(0);
}
}
{
emit_cmpimm(s1l,1);
if(invert){
- nottaken=(int)out;
- emit_jge(1);
+ nottaken=out;
+ emit_jge(DJT_1);
}else{
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jl(0);
}
}
{
emit_cmpimm(s1l,1);
if(invert){
- nottaken=(int)out;
- emit_jl(1);
+ nottaken=out;
+ emit_jl(DJT_1);
}else{
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jge(0);
}
}
if(invert) {
- if(taken) set_jump_target(taken,(int)out);
+ if(taken) set_jump_target(taken, out);
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
if(match&&(!internal||!is_ds[(ba[i]-start)>>2])) {
if(adj) {
emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
}else{
emit_addnop(13);
- add_to_linker((int)out,ba[i],internal*2);
+ add_to_linker(out,ba[i],internal*2);
}
emit_jmp(0);
}else
#endif
{
if(adj) emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
if(internal)
assem_debug("branch: internal\n");
else
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jmp(0);
}
}
- set_jump_target(nottaken,(int)out);
+ set_jump_target(nottaken, out);
}
- if(nottaken1) set_jump_target(nottaken1,(int)out);
+ if(nottaken1) set_jump_target(nottaken1, out);
if(adj) {
if(!invert) emit_addimm(cc,CLOCK_ADJUST(adj),cc);
}
//if(likely[i]) printf("IOL\n");
//else
//printf("IOE\n");
- int taken=0,nottaken=0,nottaken1=0;
+ void *taken = NULL, *nottaken = NULL, *nottaken1 = NULL;
if(!unconditional&&!nop) {
- if(!only32)
- {
- assert(s1h>=0);
- if((opcode[i]&0x2f)==4) // BEQ
- {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- nottaken1=(int)out;
- emit_jne(2);
- }
- if((opcode[i]&0x2f)==5) // BNE
- {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- taken=(int)out;
- emit_jne(1);
- }
- if((opcode[i]&0x2f)==6) // BLEZ
- {
- emit_test(s1h,s1h);
- taken=(int)out;
- emit_js(1);
- nottaken1=(int)out;
- emit_jne(2);
- }
- if((opcode[i]&0x2f)==7) // BGTZ
- {
- emit_test(s1h,s1h);
- nottaken1=(int)out;
- emit_js(2);
- taken=(int)out;
- emit_jne(1);
- }
- } // if(!only32)
-
//printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]);
assert(s1l>=0);
if((opcode[i]&0x2f)==4) // BEQ
{
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
- nottaken=(int)out;
- emit_jne(2);
+ nottaken=out;
+ emit_jne(DJT_2);
}
if((opcode[i]&0x2f)==5) // BNE
{
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
- nottaken=(int)out;
- emit_jeq(2);
+ nottaken=out;
+ emit_jeq(DJT_2);
}
if((opcode[i]&0x2f)==6) // BLEZ
{
emit_cmpimm(s1l,1);
- nottaken=(int)out;
- emit_jge(2);
+ nottaken=out;
+ emit_jge(DJT_2);
}
if((opcode[i]&0x2f)==7) // BGTZ
{
emit_cmpimm(s1l,1);
- nottaken=(int)out;
- emit_jl(2);
+ nottaken=out;
+ emit_jl(DJT_2);
}
} // if(!unconditional)
int adj;
uint64_t ds_unneeded=branch_regs[i].u;
- uint64_t ds_unneeded_upper=branch_regs[i].uu;
ds_unneeded&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- ds_unneeded_upper&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- if((~ds_unneeded_upper>>rt1[i+1])&1) ds_unneeded_upper&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1]));
ds_unneeded|=1;
- ds_unneeded_upper|=1;
// branch taken
if(!nop) {
- if(taken) set_jump_target(taken,(int)out);
+ if(taken) set_jump_target(taken, out);
assem_debug("1:\n");
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- ds_unneeded,ds_unneeded_upper);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,ds_unneeded);
// load regs
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i+1],rs2[i+1]);
address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,INVCP);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
ds_assemble(i+1,&branch_regs[i]);
cc=get_reg(branch_regs[i].regmap,CCREG);
if(cc==-1) {
// CHECK: Is the following instruction (fall thru) allocated ok?
}
assert(cc==HOST_CCREG);
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
do_cc(i,i_regmap,&adj,ba[i],TAKEN,0);
assem_debug("cycle count (adj)\n");
if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
if(internal)
assem_debug("branch: internal\n");
else
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jmp(0);
}
}
// branch not taken
- cop1_usable=prev_cop1_usable;
if(!unconditional) {
- if(nottaken1) set_jump_target(nottaken1,(int)out);
- set_jump_target(nottaken,(int)out);
+ if(nottaken1) set_jump_target(nottaken1, out);
+ set_jump_target(nottaken, out);
assem_debug("2:\n");
if(!likely[i]) {
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- ds_unneeded,ds_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,ds_unneeded);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i+1],rs2[i+1]);
address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
ds_assemble(i+1,&branch_regs[i]);
}
cc=get_reg(branch_regs[i].regmap,CCREG);
// Cycle count isn't in a register, temporarily load it then write it out
emit_loadreg(CCREG,HOST_CCREG);
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
- int jaddr=(int)out;
+ void *jaddr=out;
emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0);
+ add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
emit_storereg(CCREG,HOST_CCREG);
}
else{
cc=get_reg(i_regmap,CCREG);
assert(cc==HOST_CCREG);
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
- int jaddr=(int)out;
+ void *jaddr=out;
emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0);
+ add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0);
}
}
}
}
-void sjump_assemble(int i,struct regstat *i_regs)
+static void sjump_assemble(int i,struct regstat *i_regs)
{
signed char *i_regmap=i_regs->regmap;
int cc;
int match;
- match=match_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ match=match_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
assem_debug("smatch=%d\n",match);
- int s1h,s1l;
- int prev_cop1_usable=cop1_usable;
+ int s1l;
int unconditional=0,nevertaken=0;
- int only32=0;
int invert=0;
- int internal=internal_branch(branch_regs[i].is32,ba[i]);
+ int internal=internal_branch(ba[i]);
if(i==(ba[i]-start)>>2) assem_debug("idle loop\n");
if(!match) invert=1;
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
if(i>(ba[i]-start)>>2) invert=1;
#endif
+ #ifdef __aarch64__
+ invert=1; // because of near cond. branches
+ #endif
//if(opcode2[i]>=0x10) return; // FIXME (BxxZAL)
//assert(opcode2[i]<0x10||rs1[i]==0); // FIXME (BxxZAL)
if(ooo[i]) {
s1l=get_reg(branch_regs[i].regmap,rs1[i]);
- s1h=get_reg(branch_regs[i].regmap,rs1[i]|64);
}
else {
s1l=get_reg(i_regmap,rs1[i]);
- s1h=get_reg(i_regmap,rs1[i]|64);
}
if(rs1[i]==0)
{
//assert(opcode2[i]!=0x10);
//assert(opcode2[i]!=0x12);
}
- else {
- only32=(regs[i].was32>>rs1[i])&1;
- }
if(ooo[i]) {
// Out of order execution (delay slot first)
ds_assemble(i+1,i_regs);
int adj;
uint64_t bc_unneeded=branch_regs[i].u;
- uint64_t bc_unneeded_upper=branch_regs[i].uu;
bc_unneeded&=~((1LL<<rs1[i])|(1LL<<rs2[i]));
- bc_unneeded_upper&=~((1LL<<us1[i])|(1LL<<us2[i]));
bc_unneeded|=1;
- bc_unneeded_upper|=1;
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- bc_unneeded,bc_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],rs1[i]);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i],rs1[i]);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
if(rt1[i]==31) {
int rt,return_address;
rt=get_reg(branch_regs[i].regmap,31);
return_address=start+i*4+8;
emit_movimm(return_address,rt); // PC into link register
#ifdef IMM_PREFETCH
- if(!nevertaken) emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]);
+ if(!nevertaken) emit_prefetch(hash_table_get(return_address));
#endif
}
}
cc=get_reg(branch_regs[i].regmap,CCREG);
assert(cc==HOST_CCREG);
- if(unconditional)
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ if(unconditional)
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
//do_cc(i,branch_regs[i].regmap,&adj,unconditional?ba[i]:-1,unconditional);
assem_debug("cycle count (adj)\n");
if(unconditional) {
do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0);
if(i!=(ba[i]-start)>>2 || source[i+1]!=0) {
if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
if(internal)
assem_debug("branch: internal\n");
else
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jmp(0);
}
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
}
else if(nevertaken) {
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
- int jaddr=(int)out;
+ void *jaddr=out;
emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0);
+ add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
}
else {
- int nottaken=0;
+ void *nottaken = NULL;
do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert);
if(adj&&!invert) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- if(!only32)
- {
- assert(s1h>=0);
- if((opcode2[i]&0xf)==0) // BLTZ/BLTZAL
- {
- emit_test(s1h,s1h);
- if(invert){
- nottaken=(int)out;
- emit_jns(1);
- }else{
- add_to_linker((int)out,ba[i],internal);
- emit_js(0);
- }
- }
- if((opcode2[i]&0xf)==1) // BGEZ/BLTZAL
- {
- emit_test(s1h,s1h);
- if(invert){
- nottaken=(int)out;
- emit_js(1);
- }else{
- add_to_linker((int)out,ba[i],internal);
- emit_jns(0);
- }
- }
- } // if(!only32)
- else
{
assert(s1l>=0);
if((opcode2[i]&0xf)==0) // BLTZ/BLTZAL
{
emit_test(s1l,s1l);
if(invert){
- nottaken=(int)out;
- emit_jns(1);
+ nottaken=out;
+ emit_jns(DJT_1);
}else{
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_js(0);
}
}
{
emit_test(s1l,s1l);
if(invert){
- nottaken=(int)out;
- emit_js(1);
+ nottaken=out;
+ emit_js(DJT_1);
}else{
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jns(0);
}
}
- } // if(!only32)
-
+ }
+
if(invert) {
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
if(match&&(!internal||!is_ds[(ba[i]-start)>>2])) {
if(adj) {
emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
}else{
emit_addnop(13);
- add_to_linker((int)out,ba[i],internal*2);
+ add_to_linker(out,ba[i],internal*2);
}
emit_jmp(0);
}else
#endif
{
if(adj) emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
if(internal)
assem_debug("branch: internal\n");
else
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jmp(0);
}
}
- set_jump_target(nottaken,(int)out);
+ set_jump_target(nottaken, out);
}
if(adj) {
{
// In-order execution (branch first)
//printf("IOE\n");
- int nottaken=0;
+ void *nottaken = NULL;
if(rt1[i]==31) {
int rt,return_address;
rt=get_reg(branch_regs[i].regmap,31);
return_address=start+i*4+8;
emit_movimm(return_address,rt); // PC into link register
#ifdef IMM_PREFETCH
- emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]);
+ emit_prefetch(hash_table_get(return_address));
#endif
}
}
if(!unconditional) {
//printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]);
- if(!only32)
- {
- assert(s1h>=0);
- if((opcode2[i]&0x0d)==0) // BLTZ/BLTZL/BLTZAL/BLTZALL
- {
- emit_test(s1h,s1h);
- nottaken=(int)out;
- emit_jns(1);
- }
- if((opcode2[i]&0x0d)==1) // BGEZ/BGEZL/BGEZAL/BGEZALL
- {
- emit_test(s1h,s1h);
- nottaken=(int)out;
- emit_js(1);
- }
- } // if(!only32)
- else
- {
assert(s1l>=0);
if((opcode2[i]&0x0d)==0) // BLTZ/BLTZL/BLTZAL/BLTZALL
{
emit_test(s1l,s1l);
- nottaken=(int)out;
- emit_jns(1);
+ nottaken=out;
+ emit_jns(DJT_1);
}
if((opcode2[i]&0x0d)==1) // BGEZ/BGEZL/BGEZAL/BGEZALL
{
emit_test(s1l,s1l);
- nottaken=(int)out;
- emit_js(1);
+ nottaken=out;
+ emit_js(DJT_1);
}
- }
} // if(!unconditional)
int adj;
uint64_t ds_unneeded=branch_regs[i].u;
- uint64_t ds_unneeded_upper=branch_regs[i].uu;
ds_unneeded&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- ds_unneeded_upper&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- if((~ds_unneeded_upper>>rt1[i+1])&1) ds_unneeded_upper&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1]));
ds_unneeded|=1;
- ds_unneeded_upper|=1;
// branch taken
if(!nevertaken) {
//assem_debug("1:\n");
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- ds_unneeded,ds_unneeded_upper);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,ds_unneeded);
// load regs
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i+1],rs2[i+1]);
address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,INVCP);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
ds_assemble(i+1,&branch_regs[i]);
cc=get_reg(branch_regs[i].regmap,CCREG);
if(cc==-1) {
// CHECK: Is the following instruction (fall thru) allocated ok?
}
assert(cc==HOST_CCREG);
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
do_cc(i,i_regmap,&adj,ba[i],TAKEN,0);
assem_debug("cycle count (adj)\n");
if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
+ load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
if(internal)
assem_debug("branch: internal\n");
else
ds_assemble_entry(i);
}
else {
- add_to_linker((int)out,ba[i],internal);
+ add_to_linker(out,ba[i],internal);
emit_jmp(0);
}
}
// branch not taken
- cop1_usable=prev_cop1_usable;
if(!unconditional) {
- set_jump_target(nottaken,(int)out);
- assem_debug("1:\n");
- if(!likely[i]) {
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- ds_unneeded,ds_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]);
- address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
- ds_assemble(i+1,&branch_regs[i]);
- }
- cc=get_reg(branch_regs[i].regmap,CCREG);
- if(cc==-1&&!likely[i]) {
- // Cycle count isn't in a register, temporarily load it then write it out
- emit_loadreg(CCREG,HOST_CCREG);
- emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
- int jaddr=(int)out;
- emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0);
- emit_storereg(CCREG,HOST_CCREG);
- }
- else{
- cc=get_reg(i_regmap,CCREG);
- assert(cc==HOST_CCREG);
- emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
- int jaddr=(int)out;
- emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0);
- }
- }
- }
-}
-
-void fjump_assemble(int i,struct regstat *i_regs)
-{
- signed char *i_regmap=i_regs->regmap;
- int cc;
- int match;
- match=match_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- assem_debug("fmatch=%d\n",match);
- int fs,cs;
- int eaddr;
- int invert=0;
- int internal=internal_branch(branch_regs[i].is32,ba[i]);
- if(i==(ba[i]-start)>>2) assem_debug("idle loop\n");
- if(!match) invert=1;
- #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
- if(i>(ba[i]-start)>>2) invert=1;
- #endif
-
- if(ooo[i]) {
- fs=get_reg(branch_regs[i].regmap,FSREG);
- address_generation(i+1,i_regs,regs[i].regmap_entry); // Is this okay?
- }
- else {
- fs=get_reg(i_regmap,FSREG);
- }
-
- // Check cop1 unusable
- if(!cop1_usable) {
- cs=get_reg(i_regmap,CSREG);
- assert(cs>=0);
- emit_testimm(cs,0x20000000);
- eaddr=(int)out;
- emit_jeq(0);
- add_stub(FP_STUB,eaddr,(int)out,i,cs,(int)i_regs,0,0);
- cop1_usable=1;
- }
-
- if(ooo[i]) {
- // Out of order execution (delay slot first)
- //printf("OOOE\n");
- ds_assemble(i+1,i_regs);
- int adj;
- uint64_t bc_unneeded=branch_regs[i].u;
- uint64_t bc_unneeded_upper=branch_regs[i].uu;
- bc_unneeded&=~((1LL<<rs1[i])|(1LL<<rs2[i]));
- bc_unneeded_upper&=~((1LL<<us1[i])|(1LL<<us2[i]));
- bc_unneeded|=1;
- bc_unneeded_upper|=1;
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- bc_unneeded,bc_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],rs1[i]);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
- cc=get_reg(branch_regs[i].regmap,CCREG);
- assert(cc==HOST_CCREG);
- do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert);
- assem_debug("cycle count (adj)\n");
- if(1) {
- int nottaken=0;
- if(adj&&!invert) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- if(1) {
- assert(fs>=0);
- emit_testimm(fs,0x800000);
- if(source[i]&0x10000) // BC1T
- {
- if(invert){
- nottaken=(int)out;
- emit_jeq(1);
- }else{
- add_to_linker((int)out,ba[i],internal);
- emit_jne(0);
- }
- }
- else // BC1F
- if(invert){
- nottaken=(int)out;
- emit_jne(1);
- }else{
- add_to_linker((int)out,ba[i],internal);
- emit_jeq(0);
- }
- {
- }
- } // if(!only32)
-
- if(invert) {
- if(adj) emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
- #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
- else if(match) emit_addnop(13);
- #endif
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- if(internal)
- assem_debug("branch: internal\n");
- else
- assem_debug("branch: external\n");
- if(internal&&is_ds[(ba[i]-start)>>2]) {
- ds_assemble_entry(i);
- }
- else {
- add_to_linker((int)out,ba[i],internal);
- emit_jmp(0);
- }
- set_jump_target(nottaken,(int)out);
- }
-
- if(adj) {
- if(!invert) emit_addimm(cc,CLOCK_ADJUST(adj),cc);
- }
- } // (!unconditional)
- } // if(ooo)
- else
- {
- // In-order execution (branch first)
- //printf("IOE\n");
- int nottaken=0;
- if(1) {
- //printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]);
- if(1) {
- assert(fs>=0);
- emit_testimm(fs,0x800000);
- if(source[i]&0x10000) // BC1T
- {
- nottaken=(int)out;
- emit_jeq(1);
- }
- else // BC1F
- {
- nottaken=(int)out;
- emit_jne(1);
- }
- }
- } // if(!unconditional)
- int adj;
- uint64_t ds_unneeded=branch_regs[i].u;
- uint64_t ds_unneeded_upper=branch_regs[i].uu;
- ds_unneeded&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- ds_unneeded_upper&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- if((~ds_unneeded_upper>>rt1[i+1])&1) ds_unneeded_upper&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1]));
- ds_unneeded|=1;
- ds_unneeded_upper|=1;
- // branch taken
- //assem_debug("1:\n");
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- ds_unneeded,ds_unneeded_upper);
- // load regs
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]);
- address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,INVCP);
- ds_assemble(i+1,&branch_regs[i]);
- cc=get_reg(branch_regs[i].regmap,CCREG);
- if(cc==-1) {
- emit_loadreg(CCREG,cc=HOST_CCREG);
- // CHECK: Is the following instruction (fall thru) allocated ok?
- }
- assert(cc==HOST_CCREG);
- store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- do_cc(i,i_regmap,&adj,ba[i],TAKEN,0);
- assem_debug("cycle count (adj)\n");
- if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
- load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]);
- if(internal)
- assem_debug("branch: internal\n");
- else
- assem_debug("branch: external\n");
- if(internal&&is_ds[(ba[i]-start)>>2]) {
- ds_assemble_entry(i);
- }
- else {
- add_to_linker((int)out,ba[i],internal);
- emit_jmp(0);
- }
-
- // branch not taken
- if(1) { // <- FIXME (don't need this)
- set_jump_target(nottaken,(int)out);
+ set_jump_target(nottaken, out);
assem_debug("1:\n");
if(!likely[i]) {
- wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32,
- ds_unneeded,ds_unneeded_upper);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]);
+ wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,ds_unneeded);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,rs1[i+1],rs2[i+1]);
address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
ds_assemble(i+1,&branch_regs[i]);
}
cc=get_reg(branch_regs[i].regmap,CCREG);
// Cycle count isn't in a register, temporarily load it then write it out
emit_loadreg(CCREG,HOST_CCREG);
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
- int jaddr=(int)out;
+ void *jaddr=out;
emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0);
+ add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
emit_storereg(CCREG,HOST_CCREG);
}
else{
cc=get_reg(i_regmap,CCREG);
assert(cc==HOST_CCREG);
emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
- int jaddr=(int)out;
+ void *jaddr=out;
emit_jns(0);
- add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0);
+ add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0);
}
}
}
static void pagespan_assemble(int i,struct regstat *i_regs)
{
int s1l=get_reg(i_regs->regmap,rs1[i]);
- int s1h=get_reg(i_regs->regmap,rs1[i]|64);
int s2l=get_reg(i_regs->regmap,rs2[i]);
- int s2h=get_reg(i_regs->regmap,rs2[i]|64);
- void *nt_branch=NULL;
- int taken=0;
- int nottaken=0;
+ void *taken = NULL;
+ void *nottaken = NULL;
int unconditional=0;
if(rs1[i]==0)
{
- s1l=s2l;s1h=s2h;
- s2l=s2h=-1;
+ s1l=s2l;
+ s2l=-1;
}
else if(rs2[i]==0)
{
- s2l=s2h=-1;
- }
- if((i_regs->is32>>rs1[i])&(i_regs->is32>>rs2[i])&1) {
- s1h=s2h=-1;
+ s2l=-1;
}
int hr=0;
- int addr,alt,ntaddr;
+ int addr=-1,alt=-1,ntaddr=-1;
if(i_regs->regmap[HOST_BTREG]<0) {addr=HOST_BTREG;}
else {
while(hr<HOST_REGS)
}
assert(hr<HOST_REGS);
if((opcode[i]&0x2e)==4||opcode[i]==0x11) { // BEQ/BNE/BEQL/BNEL/BC1
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,CCREG,CCREG);
}
emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
if(opcode[i]==2) // J
}
else
#ifdef HAVE_CMOV_IMM
- if(s1h<0) {
+ if(1) {
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
emit_cmov2imm_e_ne_compact(ba[i],start+i*4+8,addr);
{
assert(s1l>=0);
emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt);
- if(s1h>=0) {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- emit_cmovne_reg(alt,addr);
- }
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
emit_cmovne_reg(alt,addr);
if((opcode[i]&0x3f)==5) // BNE
{
#ifdef HAVE_CMOV_IMM
- if(s1h<0) {
- if(s2l>=0) emit_cmp(s1l,s2l);
- else emit_test(s1l,s1l);
- emit_cmov2imm_e_ne_compact(start+i*4+8,ba[i],addr);
- }
- else
+ if(s2l>=0) emit_cmp(s1l,s2l);
+ else emit_test(s1l,s1l);
+ emit_cmov2imm_e_ne_compact(start+i*4+8,ba[i],addr);
+ #else
+ assert(s1l>=0);
+ emit_mov2imm_compact(start+i*4+8,addr,ba[i],alt);
+ if(s2l>=0) emit_cmp(s1l,s2l);
+ else emit_test(s1l,s1l);
+ emit_cmovne_reg(alt,addr);
#endif
- {
- assert(s1l>=0);
- emit_mov2imm_compact(start+i*4+8,addr,ba[i],alt);
- if(s1h>=0) {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- emit_cmovne_reg(alt,addr);
- }
- if(s2l>=0) emit_cmp(s1l,s2l);
- else emit_test(s1l,s1l);
- emit_cmovne_reg(alt,addr);
- }
}
if((opcode[i]&0x3f)==0x14) // BEQL
{
- if(s1h>=0) {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- nottaken=(int)out;
- emit_jne(0);
- }
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
- if(nottaken) set_jump_target(nottaken,(int)out);
- nottaken=(int)out;
+ if(nottaken) set_jump_target(nottaken, out);
+ nottaken=out;
emit_jne(0);
}
if((opcode[i]&0x3f)==0x15) // BNEL
{
- if(s1h>=0) {
- if(s2h>=0) emit_cmp(s1h,s2h);
- else emit_test(s1h,s1h);
- taken=(int)out;
- emit_jne(0);
- }
if(s2l>=0) emit_cmp(s1l,s2l);
else emit_test(s1l,s1l);
- nottaken=(int)out;
+ nottaken=out;
emit_jeq(0);
- if(taken) set_jump_target(taken,(int)out);
+ if(taken) set_jump_target(taken, out);
}
if((opcode[i]&0x3f)==6) // BLEZ
{
emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr);
emit_cmpimm(s1l,1);
- if(s1h>=0) emit_mov(addr,ntaddr);
emit_cmovl_reg(alt,addr);
- if(s1h>=0) {
- emit_test(s1h,s1h);
- emit_cmovne_reg(ntaddr,addr);
- emit_cmovs_reg(alt,addr);
- }
}
if((opcode[i]&0x3f)==7) // BGTZ
{
emit_mov2imm_compact(ba[i],addr,start+i*4+8,ntaddr);
emit_cmpimm(s1l,1);
- if(s1h>=0) emit_mov(addr,alt);
emit_cmovl_reg(ntaddr,addr);
- if(s1h>=0) {
- emit_test(s1h,s1h);
- emit_cmovne_reg(alt,addr);
- emit_cmovs_reg(ntaddr,addr);
- }
}
if((opcode[i]&0x3f)==0x16) // BLEZL
{
if((source[i]&0x30000)==0x20000) // BC1FL
{
emit_testimm(s1l,0x800000);
- nottaken=(int)out;
+ nottaken=out;
emit_jne(0);
}
if((source[i]&0x30000)==0x30000) // BC1TL
{
emit_testimm(s1l,0x800000);
- nottaken=(int)out;
+ nottaken=out;
emit_jeq(0);
}
}
assert(i_regs->regmap[HOST_CCREG]==CCREG);
- wb_dirtys(regs[i].regmap,regs[i].is32,regs[i].dirty);
+ wb_dirtys(regs[i].regmap,regs[i].dirty);
if(likely[i]||unconditional)
{
emit_movimm(ba[i],HOST_BTREG);
int target_addr=start+i*4+5;
void *stub=out;
void *compiled_target_addr=check_addr(target_addr);
- emit_extjump_ds((int)branch_addr,target_addr);
+ emit_extjump_ds(branch_addr, target_addr);
if(compiled_target_addr) {
- set_jump_target((int)branch_addr,(int)compiled_target_addr);
+ set_jump_target(branch_addr, compiled_target_addr);
add_link(target_addr,stub);
}
- else set_jump_target((int)branch_addr,(int)stub);
+ else set_jump_target(branch_addr, stub);
if(likely[i]) {
// Not-taken path
- set_jump_target((int)nottaken,(int)out);
- wb_dirtys(regs[i].regmap,regs[i].is32,regs[i].dirty);
+ set_jump_target(nottaken, out);
+ wb_dirtys(regs[i].regmap,regs[i].dirty);
void *branch_addr=out;
emit_jmp(0);
int target_addr=start+i*4+8;
void *stub=out;
void *compiled_target_addr=check_addr(target_addr);
- emit_extjump_ds((int)branch_addr,target_addr);
+ emit_extjump_ds(branch_addr, target_addr);
if(compiled_target_addr) {
- set_jump_target((int)branch_addr,(int)compiled_target_addr);
+ set_jump_target(branch_addr, compiled_target_addr);
add_link(target_addr,stub);
}
- else set_jump_target((int)branch_addr,(int)stub);
+ else set_jump_target(branch_addr, stub);
}
}
ll_add(jump_in+page,vaddr,(void *)out);
assert(regs[0].regmap_entry[HOST_CCREG]==CCREG);
if(regs[0].regmap[HOST_CCREG]!=CCREG)
- wb_register(CCREG,regs[0].regmap_entry,regs[0].wasdirty,regs[0].was32);
+ wb_register(CCREG,regs[0].regmap_entry,regs[0].wasdirty);
if(regs[0].regmap[HOST_BTREG]!=BTREG)
- emit_writeword(HOST_BTREG,(int)&branch_target);
- load_regs(regs[0].regmap_entry,regs[0].regmap,regs[0].was32,rs1[0],rs2[0]);
+ emit_writeword(HOST_BTREG,&branch_target);
+ load_regs(regs[0].regmap_entry,regs[0].regmap,rs1[0],rs2[0]);
address_generation(0,®s[0],regs[0].regmap_entry);
if(itype[0]==STORE||itype[0]==STORELR||(opcode[0]&0x3b)==0x39||(opcode[0]&0x3b)==0x3a)
- load_regs(regs[0].regmap_entry,regs[0].regmap,regs[0].was32,INVCP,INVCP);
- cop1_usable=0;
+ load_regs(regs[0].regmap_entry,regs[0].regmap,INVCP,INVCP);
is_delayslot=0;
switch(itype[0]) {
case ALU:
c2ls_assemble(0,®s[0]);break;
case C2OP:
c2op_assemble(0,®s[0]);break;
- case FCONV:
- fconv_assemble(0,®s[0]);break;
- case FLOAT:
- float_assemble(0,®s[0]);break;
- case FCOMP:
- fcomp_assemble(0,®s[0]);break;
case MULTDIV:
multdiv_assemble(0,®s[0]);break;
case MOV:
case RJUMP:
case CJUMP:
case SJUMP:
- case FJUMP:
- printf("Jump in the delay slot. This is probably a bug.\n");
+ SysPrintf("Jump in the delay slot. This is probably a bug.\n");
}
int btaddr=get_reg(regs[0].regmap,BTREG);
if(btaddr<0) {
btaddr=get_reg(regs[0].regmap,-1);
- emit_readword((int)&branch_target,btaddr);
+ emit_readword(&branch_target,btaddr);
}
assert(btaddr!=HOST_CCREG);
if(regs[0].regmap[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
#ifdef HOST_IMM8
+ host_tempreg_acquire();
emit_movimm(start+4,HOST_TEMPREG);
emit_cmp(btaddr,HOST_TEMPREG);
+ host_tempreg_release();
#else
emit_cmpimm(btaddr,start+4);
#endif
- int branch=(int)out;
+ void *branch = out;
emit_jeq(0);
- store_regs_bt(regs[0].regmap,regs[0].is32,regs[0].dirty,-1);
- emit_jmp(jump_vaddr_reg[btaddr]);
- set_jump_target(branch,(int)out);
- store_regs_bt(regs[0].regmap,regs[0].is32,regs[0].dirty,start+4);
- load_regs_bt(regs[0].regmap,regs[0].is32,regs[0].dirty,start+4);
+ store_regs_bt(regs[0].regmap,regs[0].dirty,-1);
+ do_jump_vaddr(btaddr);
+ set_jump_target(branch, out);
+ store_regs_bt(regs[0].regmap,regs[0].dirty,start+4);
+ load_regs_bt(regs[0].regmap,regs[0].dirty,start+4);
}
// Basic liveness analysis for MIPS registers
void unneeded_registers(int istart,int iend,int r)
{
int i;
- uint64_t u,uu,gte_u,b,bu,gte_bu;
- uint64_t temp_u,temp_uu,temp_gte_u=0;
- uint64_t tdep;
+ uint64_t u,gte_u,b,gte_b;
+ uint64_t temp_u,temp_gte_u=0;
uint64_t gte_u_unknown=0;
if(new_dynarec_hacks&NDHACK_GTE_UNNEEDED)
gte_u_unknown=~0ll;
if(iend==slen-1) {
- u=1;uu=1;
+ u=1;
gte_u=gte_u_unknown;
}else{
- u=unneeded_reg[iend+1];
- uu=unneeded_reg_upper[iend+1];
- u=1;uu=1;
+ //u=unneeded_reg[iend+1];
+ u=1;
gte_u=gte_unneeded[iend+1];
}
for (i=iend;i>=istart;i--)
{
//printf("unneeded registers i=%d (%d,%d) r=%d\n",i,istart,iend,r);
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
// If subroutine call, flag return address as a possible branch target
if(rt1[i]==31 && i<slen-2) bt[i+2]=1;
-
+
if(ba[i]<start || ba[i]>=(start+slen*4))
{
// Branch out of this block, flush all regs
u=1;
- uu=1;
- gte_u=gte_u_unknown;
- /* Hexagon hack
- if(itype[i]==UJUMP&&rt1[i]==31)
- {
- uu=u=0x300C00F; // Discard at, v0-v1, t6-t9
- }
- if(itype[i]==RJUMP&&rs1[i]==31)
- {
- uu=u=0x300C0F3; // Discard at, a0-a3, t6-t9
- }
- if(start>0x80000400&&start<0x80000000+RAM_SIZE) {
- if(itype[i]==UJUMP&&rt1[i]==31)
- {
- //uu=u=0x30300FF0FLL; // Discard at, v0-v1, t0-t9, lo, hi
- uu=u=0x300FF0F; // Discard at, v0-v1, t0-t9
- }
- if(itype[i]==RJUMP&&rs1[i]==31)
- {
- //uu=u=0x30300FFF3LL; // Discard at, a0-a3, t0-t9, lo, hi
- uu=u=0x300FFF3; // Discard at, a0-a3, t0-t9
- }
- }*/
+ gte_u=gte_u_unknown;
branch_unneeded_reg[i]=u;
- branch_unneeded_reg_upper[i]=uu;
// Merge in delay slot
- tdep=(~uu>>rt1[i+1])&1;
u|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
- uu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
u&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- uu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1]));
- u|=1;uu|=1;
+ u|=1;
gte_u|=gte_rt[i+1];
gte_u&=~gte_rs[i+1];
// If branch is "likely" (and conditional)
if(likely[i]) {
if(i<slen-1) {
u&=unneeded_reg[i+2];
- uu&=unneeded_reg_upper[i+2];
gte_u&=gte_unneeded[i+2];
}
else
{
u=1;
- uu=1;
gte_u=gte_u_unknown;
}
}
if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000)
{
// Unconditional branch
- temp_u=1;temp_uu=1;
+ temp_u=1;
temp_gte_u=0;
} else {
// Conditional branch (not taken case)
temp_u=unneeded_reg[i+2];
- temp_uu=unneeded_reg_upper[i+2];
temp_gte_u&=gte_unneeded[i+2];
}
// Merge in delay slot
- tdep=(~temp_uu>>rt1[i+1])&1;
temp_u|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
- temp_uu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
temp_u&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- temp_uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- temp_uu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1]));
- temp_u|=1;temp_uu|=1;
+ temp_u|=1;
temp_gte_u|=gte_rt[i+1];
temp_gte_u&=~gte_rs[i+1];
// If branch is "likely" (and conditional)
if(likely[i]) {
if(i<slen-1) {
temp_u&=unneeded_reg[i+2];
- temp_uu&=unneeded_reg_upper[i+2];
temp_gte_u&=gte_unneeded[i+2];
}
else
{
temp_u=1;
- temp_uu=1;
temp_gte_u=gte_u_unknown;
}
}
- tdep=(~temp_uu>>rt1[i])&1;
temp_u|=(1LL<<rt1[i])|(1LL<<rt2[i]);
- temp_uu|=(1LL<<rt1[i])|(1LL<<rt2[i]);
temp_u&=~((1LL<<rs1[i])|(1LL<<rs2[i]));
- temp_uu&=~((1LL<<us1[i])|(1LL<<us2[i]));
- temp_uu&=~((tdep<<dep1[i])|(tdep<<dep2[i]));
- temp_u|=1;temp_uu|=1;
+ temp_u|=1;
temp_gte_u|=gte_rt[i];
temp_gte_u&=~gte_rs[i];
unneeded_reg[i]=temp_u;
- unneeded_reg_upper[i]=temp_uu;
gte_unneeded[i]=temp_gte_u;
// Only go three levels deep. This recursion can take an
// excessive amount of time if there are a lot of nested loops.
unneeded_registers((ba[i]-start)>>2,i-1,r+1);
}else{
unneeded_reg[(ba[i]-start)>>2]=1;
- unneeded_reg_upper[(ba[i]-start)>>2]=1;
gte_unneeded[(ba[i]-start)>>2]=gte_u_unknown;
}
} /*else*/ if(1) {
{
// Unconditional branch
u=unneeded_reg[(ba[i]-start)>>2];
- uu=unneeded_reg_upper[(ba[i]-start)>>2];
gte_u=gte_unneeded[(ba[i]-start)>>2];
branch_unneeded_reg[i]=u;
- branch_unneeded_reg_upper[i]=uu;
- //u=1;
- //uu=1;
- //branch_unneeded_reg[i]=u;
- //branch_unneeded_reg_upper[i]=uu;
// Merge in delay slot
- tdep=(~uu>>rt1[i+1])&1;
u|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
- uu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
u&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- uu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1]));
- u|=1;uu|=1;
+ u|=1;
gte_u|=gte_rt[i+1];
gte_u&=~gte_rs[i+1];
} else {
// Conditional branch
b=unneeded_reg[(ba[i]-start)>>2];
- bu=unneeded_reg_upper[(ba[i]-start)>>2];
- gte_bu=gte_unneeded[(ba[i]-start)>>2];
+ gte_b=gte_unneeded[(ba[i]-start)>>2];
branch_unneeded_reg[i]=b;
- branch_unneeded_reg_upper[i]=bu;
- //b=1;
- //bu=1;
- //branch_unneeded_reg[i]=b;
- //branch_unneeded_reg_upper[i]=bu;
// Branch delay slot
- tdep=(~uu>>rt1[i+1])&1;
b|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
- bu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]);
b&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- bu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- bu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1]));
- b|=1;bu|=1;
- gte_bu|=gte_rt[i+1];
- gte_bu&=~gte_rs[i+1];
+ b|=1;
+ gte_b|=gte_rt[i+1];
+ gte_b&=~gte_rs[i+1];
// If branch is "likely" then we skip the
// delay slot on the fall-thru path
if(likely[i]) {
u=b;
- uu=bu;
- gte_u=gte_bu;
+ gte_u=gte_b;
if(i<slen-1) {
u&=unneeded_reg[i+2];
- uu&=unneeded_reg_upper[i+2];
gte_u&=gte_unneeded[i+2];
- //u=1;
- //uu=1;
}
} else {
u&=b;
- uu&=bu;
- gte_u&=gte_bu;
- //u=1;
- //uu=1;
+ gte_u&=gte_b;
}
if(i<slen-1) {
branch_unneeded_reg[i]&=unneeded_reg[i+2];
- branch_unneeded_reg_upper[i]&=unneeded_reg_upper[i+2];
- //branch_unneeded_reg[i]=1;
- //branch_unneeded_reg_upper[i]=1;
} else {
branch_unneeded_reg[i]=1;
- branch_unneeded_reg_upper[i]=1;
}
}
}
{
// SYSCALL instruction (software interrupt)
u=1;
- uu=1;
}
else if(itype[i]==COP0 && (source[i]&0x3f)==0x18)
{
// ERET instruction (return from interrupt)
u=1;
- uu=1;
}
- //u=uu=1; // DEBUG
- tdep=(~uu>>rt1[i])&1;
+ //u=1; // DEBUG
// Written registers are unneeded
u|=1LL<<rt1[i];
u|=1LL<<rt2[i];
- uu|=1LL<<rt1[i];
- uu|=1LL<<rt2[i];
gte_u|=gte_rt[i];
// Accessed registers are needed
u&=~(1LL<<rs1[i]);
u&=~(1LL<<rs2[i]);
- uu&=~(1LL<<us1[i]);
- uu&=~(1LL<<us2[i]);
gte_u&=~gte_rs[i];
if(gte_rs[i]&&rt1[i]&&(unneeded_reg[i+1]&(1ll<<rt1[i])))
- gte_u|=gte_rs[i]; // MFC2/CFC2 to dead register, unneeded
+ gte_u|=gte_rs[i]>e_unneeded[i+1]; // MFC2/CFC2 to dead register, unneeded
// Source-target dependencies
- uu&=~(tdep<<dep1[i]);
- uu&=~(tdep<<dep2[i]);
// R0 is always unneeded
- u|=1;uu|=1;
+ u|=1;
// Save it
unneeded_reg[i]=u;
- unneeded_reg_upper[i]=uu;
gte_unneeded[i]=gte_u;
/*
printf("ur (%d,%d) %x: ",istart,iend,start+i*4);
else printf(" r%d",r);
}
}
- printf(" UU:");
- for(r=1;r<=CCREG;r++) {
- if(((unneeded_reg_upper[i]&~unneeded_reg[i])>>r)&1) {
- if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- printf("\n");*/
- }
-#ifdef FORCE32
- for (i=iend;i>=istart;i--)
- {
- unneeded_reg_upper[i]=branch_unneeded_reg_upper[i]=-1LL;
- }
-#endif
-}
-
-// Identify registers which are likely to contain 32-bit values
-// This is used to predict whether any branches will jump to a
-// location with 64-bit values in registers.
-static void provisional_32bit()
-{
- int i,j;
- uint64_t is32=1;
- uint64_t lastbranch=1;
-
- for(i=0;i<slen;i++)
- {
- if(i>0) {
- if(itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP) {
- if(i>1) is32=lastbranch;
- else is32=1;
- }
- }
- if(i>1)
- {
- if(itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP) {
- if(likely[i-2]) {
- if(i>2) is32=lastbranch;
- else is32=1;
- }
- }
- if((opcode[i-2]&0x2f)==0x05) // BNE/BNEL
- {
- if(rs1[i-2]==0||rs2[i-2]==0)
- {
- if(rs1[i-2]) {
- is32|=1LL<<rs1[i-2];
- }
- if(rs2[i-2]) {
- is32|=1LL<<rs2[i-2];
- }
- }
- }
- }
- // If something jumps here with 64-bit values
- // then promote those registers to 64 bits
- if(bt[i])
- {
- uint64_t temp_is32=is32;
- for(j=i-1;j>=0;j--)
- {
- if(ba[j]==start+i*4)
- //temp_is32&=branch_regs[j].is32;
- temp_is32&=p32[j];
- }
- for(j=i;j<slen;j++)
- {
- if(ba[j]==start+i*4)
- temp_is32=1;
- }
- is32=temp_is32;
- }
- int type=itype[i];
- int op=opcode[i];
- int op2=opcode2[i];
- int rt=rt1[i];
- int s1=rs1[i];
- int s2=rs2[i];
- if(type==UJUMP||type==RJUMP||type==CJUMP||type==SJUMP||type==FJUMP) {
- // Branches don't write registers, consider the delay slot instead.
- type=itype[i+1];
- op=opcode[i+1];
- op2=opcode2[i+1];
- rt=rt1[i+1];
- s1=rs1[i+1];
- s2=rs2[i+1];
- lastbranch=is32;
- }
- switch(type) {
- case LOAD:
- if(opcode[i]==0x27||opcode[i]==0x37|| // LWU/LD
- opcode[i]==0x1A||opcode[i]==0x1B) // LDL/LDR
- is32&=~(1LL<<rt);
- else
- is32|=1LL<<rt;
- break;
- case STORE:
- case STORELR:
- break;
- case LOADLR:
- if(op==0x1a||op==0x1b) is32&=~(1LL<<rt); // LDR/LDL
- if(op==0x22) is32|=1LL<<rt; // LWL
- break;
- case IMM16:
- if (op==0x08||op==0x09|| // ADDI/ADDIU
- op==0x0a||op==0x0b|| // SLTI/SLTIU
- op==0x0c|| // ANDI
- op==0x0f) // LUI
- {
- is32|=1LL<<rt;
- }
- if(op==0x18||op==0x19) { // DADDI/DADDIU
- is32&=~(1LL<<rt);
- //if(imm[i]==0)
- // is32|=((is32>>s1)&1LL)<<rt;
- }
- if(op==0x0d||op==0x0e) { // ORI/XORI
- uint64_t sr=((is32>>s1)&1LL);
- is32&=~(1LL<<rt);
- is32|=sr<<rt;
- }
- break;
- case UJUMP:
- break;
- case RJUMP:
- break;
- case CJUMP:
- break;
- case SJUMP:
- break;
- case FJUMP:
- break;
- case ALU:
- if(op2>=0x20&&op2<=0x23) { // ADD/ADDU/SUB/SUBU
- is32|=1LL<<rt;
- }
- if(op2==0x2a||op2==0x2b) { // SLT/SLTU
- is32|=1LL<<rt;
- }
- else if(op2>=0x24&&op2<=0x27) { // AND/OR/XOR/NOR
- uint64_t sr=((is32>>s1)&(is32>>s2)&1LL);
- is32&=~(1LL<<rt);
- is32|=sr<<rt;
- }
- else if(op2>=0x2c&&op2<=0x2d) { // DADD/DADDU
- if(s1==0&&s2==0) {
- is32|=1LL<<rt;
- }
- else if(s2==0) {
- uint64_t sr=((is32>>s1)&1LL);
- is32&=~(1LL<<rt);
- is32|=sr<<rt;
- }
- else if(s1==0) {
- uint64_t sr=((is32>>s2)&1LL);
- is32&=~(1LL<<rt);
- is32|=sr<<rt;
- }
- else {
- is32&=~(1LL<<rt);
- }
- }
- else if(op2>=0x2e&&op2<=0x2f) { // DSUB/DSUBU
- if(s1==0&&s2==0) {
- is32|=1LL<<rt;
- }
- else if(s2==0) {
- uint64_t sr=((is32>>s1)&1LL);
- is32&=~(1LL<<rt);
- is32|=sr<<rt;
- }
- else {
- is32&=~(1LL<<rt);
- }
- }
- break;
- case MULTDIV:
- if (op2>=0x1c&&op2<=0x1f) { // DMULT/DMULTU/DDIV/DDIVU
- is32&=~((1LL<<HIREG)|(1LL<<LOREG));
- }
- else {
- is32|=(1LL<<HIREG)|(1LL<<LOREG);
- }
- break;
- case MOV:
- {
- uint64_t sr=((is32>>s1)&1LL);
- is32&=~(1LL<<rt);
- is32|=sr<<rt;
- }
- break;
- case SHIFT:
- if(op2>=0x14&&op2<=0x17) is32&=~(1LL<<rt); // DSLLV/DSRLV/DSRAV
- else is32|=1LL<<rt; // SLLV/SRLV/SRAV
- break;
- case SHIFTIMM:
- is32|=1LL<<rt;
- // DSLL/DSRL/DSRA/DSLL32/DSRL32 but not DSRA32 have 64-bit result
- if(op2>=0x38&&op2<0x3f) is32&=~(1LL<<rt);
- break;
- case COP0:
- if(op2==0) is32|=1LL<<rt; // MFC0
- break;
- case COP1:
- case COP2:
- if(op2==0) is32|=1LL<<rt; // MFC1
- if(op2==1) is32&=~(1LL<<rt); // DMFC1
- if(op2==2) is32|=1LL<<rt; // CFC1
- break;
- case C1LS:
- case C2LS:
- break;
- case FLOAT:
- case FCONV:
- break;
- case FCOMP:
- break;
- case C2OP:
- case SYSCALL:
- case HLECALL:
- break;
- default:
- break;
- }
- is32|=1;
- p32[i]=is32;
-
- if(i>0)
- {
- if(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000)
- {
- if(rt1[i-1]==31) // JAL/JALR
- {
- // Subroutine call will return here, don't alloc any registers
- is32=1;
- }
- else if(i+1<slen)
- {
- // Internal branch will jump here, match registers to caller
- is32=0x3FFFFFFFFLL;
- }
- }
- }
- }
-}
-
-// Identify registers which may be assumed to contain 32-bit values
-// and where optimizations will rely on this.
-// This is used to determine whether backward branches can safely
-// jump to a location with 64-bit values in registers.
-static void provisional_r32()
-{
- u_int r32=0;
- int i;
-
- for (i=slen-1;i>=0;i--)
- {
- int hr;
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
- {
- if(ba[i]<start || ba[i]>=(start+slen*4))
- {
- // Branch out of this block, don't need anything
- r32=0;
- }
- else
- {
- // Internal branch
- // Need whatever matches the target
- // (and doesn't get overwritten by the delay slot instruction)
- r32=0;
- int t=(ba[i]-start)>>2;
- if(ba[i]>start+i*4) {
- // Forward branch
- //if(!(requires_32bit[t]&~regs[i].was32))
- // r32|=requires_32bit[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1]));
- if(!(pr32[t]&~regs[i].was32))
- r32|=pr32[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1]));
- }else{
- // Backward branch
- if(!(regs[t].was32&~unneeded_reg_upper[t]&~regs[i].was32))
- r32|=regs[t].was32&~unneeded_reg_upper[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1]));
- }
- }
- // Conditional branch may need registers for following instructions
- if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000)
- {
- if(i<slen-2) {
- //r32|=requires_32bit[i+2];
- r32|=pr32[i+2];
- r32&=regs[i].was32;
- // Mark this address as a branch target since it may be called
- // upon return from interrupt
- //bt[i+2]=1;
- }
- }
- // Merge in delay slot
- if(!likely[i]) {
- // These are overwritten unless the branch is "likely"
- // and the delay slot is nullified if not taken
- r32&=~(1LL<<rt1[i+1]);
- r32&=~(1LL<<rt2[i+1]);
- }
- // Assume these are needed (delay slot)
- if(us1[i+1]>0)
- {
- if((regs[i].was32>>us1[i+1])&1) r32|=1LL<<us1[i+1];
- }
- if(us2[i+1]>0)
- {
- if((regs[i].was32>>us2[i+1])&1) r32|=1LL<<us2[i+1];
- }
- if(dep1[i+1]&&!((unneeded_reg_upper[i]>>dep1[i+1])&1))
- {
- if((regs[i].was32>>dep1[i+1])&1) r32|=1LL<<dep1[i+1];
- }
- if(dep2[i+1]&&!((unneeded_reg_upper[i]>>dep2[i+1])&1))
- {
- if((regs[i].was32>>dep2[i+1])&1) r32|=1LL<<dep2[i+1];
- }
- }
- else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL)
- {
- // SYSCALL instruction (software interrupt)
- r32=0;
- }
- else if(itype[i]==COP0 && (source[i]&0x3f)==0x18)
- {
- // ERET instruction (return from interrupt)
- r32=0;
- }
- // Check 32 bits
- r32&=~(1LL<<rt1[i]);
- r32&=~(1LL<<rt2[i]);
- if(us1[i]>0)
- {
- if((regs[i].was32>>us1[i])&1) r32|=1LL<<us1[i];
- }
- if(us2[i]>0)
- {
- if((regs[i].was32>>us2[i])&1) r32|=1LL<<us2[i];
- }
- if(dep1[i]&&!((unneeded_reg_upper[i]>>dep1[i])&1))
- {
- if((regs[i].was32>>dep1[i])&1) r32|=1LL<<dep1[i];
- }
- if(dep2[i]&&!((unneeded_reg_upper[i]>>dep2[i])&1))
- {
- if((regs[i].was32>>dep2[i])&1) r32|=1LL<<dep2[i];
- }
- //requires_32bit[i]=r32;
- pr32[i]=r32;
-
- // Dirty registers which are 32-bit, require 32-bit input
- // as they will be written as 32-bit values
- for(hr=0;hr<HOST_REGS;hr++)
- {
- if(regs[i].regmap_entry[hr]>0&®s[i].regmap_entry[hr]<64) {
- if((regs[i].was32>>regs[i].regmap_entry[hr])&(regs[i].wasdirty>>hr)&1) {
- if(!((unneeded_reg_upper[i]>>regs[i].regmap_entry[hr])&1))
- pr32[i]|=1LL<<regs[i].regmap_entry[hr];
- //requires_32bit[i]|=1LL<<regs[i].regmap_entry[hr];
- }
- }
- }
+ printf("\n");
+ */
}
}
}
for (i=iend;i>=istart;i--)
{
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
if(ba[i]<start || ba[i]>=(start+slen*4))
{
if((regs[i].regmap[r]&63)==rt2[i]) wont_dirty_i|=1<<r;
if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r;
if(i>istart) {
- if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=FJUMP)
+ if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP)
{
// Don't store a register immediately after writing it,
// may prevent dual-issue.
}
printf("\n");*/
- //if(i==istart||(itype[i-1]!=RJUMP&&itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=FJUMP)) {
+ //if(i==istart||(itype[i-1]!=RJUMP&&itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP)) {
regs[i].dirty|=will_dirty_i;
#ifndef DESTRUCTIVE_WRITEBACK
regs[i].dirty&=wont_dirty_i;
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
if(i<iend-1&&itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) {
for(r=0;r<HOST_REGS;r++) {
if(r!=EXCLUDE_REG) {
if(regs[i].regmap[r]==regmap_pre[i+2][r]) {
regs[i+2].wasdirty&=wont_dirty_i|~(1<<r);
- }else {/*printf("i: %x (%d) mismatch(+2): %d\n",start+i*4,i,r);/*assert(!((wont_dirty_i>>r)&1));*/}
+ }else {/*printf("i: %x (%d) mismatch(+2): %d\n",start+i*4,i,r);assert(!((wont_dirty_i>>r)&1));*/}
}
}
}
if(r!=EXCLUDE_REG) {
if(regs[i].regmap[r]==regmap_pre[i+1][r]) {
regs[i+1].wasdirty&=wont_dirty_i|~(1<<r);
- }else {/*printf("i: %x (%d) mismatch(+1): %d\n",start+i*4,i,r);/*assert(!((wont_dirty_i>>r)&1));*/}
+ }else {/*printf("i: %x (%d) mismatch(+1): %d\n",start+i*4,i,r);assert(!((wont_dirty_i>>r)&1));*/}
}
}
}
wont_dirty_i|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r;
} else {
wont_dirty_i|=1<<r;
- /*printf("i: %x (%d) mismatch: %d\n",start+i*4,i,r);/*assert(!((will_dirty>>r)&1));*/
+ /*printf("i: %x (%d) mismatch: %d\n",start+i*4,i,r);assert(!((will_dirty>>r)&1));*/
}
}
}
printf (" %x: %s r%d,r%d,%8x\n",start+i*4,insn[i],rs1[i],rs2[i],i?start+i*4+4+((signed int)((unsigned int)source[i]<<16)>>14):*ba);break;
case SJUMP:
printf (" %x: %s r%d,%8x\n",start+i*4,insn[i],rs1[i],start+i*4+4+((signed int)((unsigned int)source[i]<<16)>>14));break;
- case FJUMP:
- printf (" %x: %s %8x\n",start+i*4,insn[i],ba[i]);break;
case RJUMP:
if (opcode[i]==0x9&&rt1[i]!=31)
printf (" %x: %s r%d,r%d\n",start+i*4,insn[i],rt1[i],rs1[i]);
static void disassemble_inst(int i) {}
#endif // DISASM
+#define DRC_TEST_VAL 0x74657374
+
+static void new_dynarec_test(void)
+{
+ int (*testfunc)(void);
+ void *beginning;
+ int ret[2];
+ size_t i;
+
+ // check structure linkage
+ if ((u_char *)rcnts - (u_char *)&psxRegs != sizeof(psxRegs))
+ {
+ SysPrintf("linkage_arm* miscompilation/breakage detected.\n");
+ }
+
+ SysPrintf("testing if we can run recompiled code...\n");
+ ((volatile u_int *)out)[0]++; // make cache dirty
+
+ for (i = 0; i < ARRAY_SIZE(ret); i++) {
+ out = translation_cache;
+ beginning = start_block();
+ emit_movimm(DRC_TEST_VAL + i, 0); // test
+ emit_ret();
+ literal_pool(0);
+ end_block(beginning);
+ testfunc = beginning;
+ ret[i] = testfunc();
+ }
+
+ if (ret[0] == DRC_TEST_VAL && ret[1] == DRC_TEST_VAL + 1)
+ SysPrintf("test passed.\n");
+ else
+ SysPrintf("test failed, will likely crash soon (r=%08x %08x)\n", ret[0], ret[1]);
+ out = translation_cache;
+}
+
// clear the state completely, instead of just marking
// things invalid like invalidate_all_pages() does
void new_dynarec_clear_full()
{
int n;
- out=(u_char *)BASE_ADDR;
+ out = translation_cache;
memset(invalid_code,1,sizeof(invalid_code));
memset(hash_table,0xff,sizeof(hash_table));
memset(mini_ht,-1,sizeof(mini_ht));
stop_after_jal=0;
inv_code_start=inv_code_end=~0;
// TLB
-#ifndef DISABLE_TLB
- using_tlb=0;
- for(n=0;n<524288;n++) // 0 .. 0x7FFFFFFF
- memory_map[n]=-1;
- for(n=524288;n<526336;n++) // 0x80000000 .. 0x807FFFFF
- memory_map[n]=((u_int)rdram-0x80000000)>>2;
- for(n=526336;n<1048576;n++) // 0x80800000 .. 0xFFFFFFFF
- memory_map[n]=-1;
-#endif
for(n=0;n<4096;n++) ll_clear(jump_in+n);
for(n=0;n<4096;n++) ll_clear(jump_out+n);
for(n=0;n<4096;n++) ll_clear(jump_dirty+n);
void new_dynarec_init()
{
- printf("Init new dynarec\n");
- out=(u_char *)BASE_ADDR;
- if (mmap (out, 1<<TARGET_SIZE_2,
+ SysPrintf("Init new dynarec\n");
+
+ // allocate/prepare a buffer for translation cache
+ // see assem_arm.h for some explanation
+#if defined(BASE_ADDR_FIXED)
+ if (mmap(translation_cache, 1 << TARGET_SIZE_2,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ -1, 0) != translation_cache) {
+ SysPrintf("mmap() failed: %s\n", strerror(errno));
+ SysPrintf("disable BASE_ADDR_FIXED and recompile\n");
+ abort();
+ }
+#elif defined(BASE_ADDR_DYNAMIC)
+ #ifdef VITA
+ sceBlock = sceKernelAllocMemBlockForVM("code", 1 << TARGET_SIZE_2);
+ if (sceBlock < 0)
+ SysPrintf("sceKernelAllocMemBlockForVM failed\n");
+ int ret = sceKernelGetMemBlockBase(sceBlock, (void **)&translation_cache);
+ if (ret < 0)
+ SysPrintf("sceKernelGetMemBlockBase failed\n");
+ #else
+ translation_cache = mmap (NULL, 1 << TARGET_SIZE_2,
PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
- -1, 0) <= 0) {printf("mmap() failed\n");}
-#ifdef MUPEN64
- rdword=&readmem_dword;
- fake_pc.f.r.rs=&readmem_dword;
- fake_pc.f.r.rt=&readmem_dword;
- fake_pc.f.r.rd=&readmem_dword;
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (translation_cache == MAP_FAILED) {
+ SysPrintf("mmap() failed: %s\n", strerror(errno));
+ abort();
+ }
+ #endif
+#else
+ #ifndef NO_WRITE_EXEC
+ // not all systems allow execute in data segment by default
+ if (mprotect(translation_cache, 1<<TARGET_SIZE_2, PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
+ SysPrintf("mprotect() failed: %s\n", strerror(errno));
+ #endif
#endif
- int n;
+ out = translation_cache;
cycle_multiplier=200;
new_dynarec_clear_full();
#ifdef HOST_IMM8
// Copy this into local area so we don't have to put it in every literal pool
invc_ptr=invalid_code;
#endif
-#ifdef MUPEN64
- for(n=0;n<0x8000;n++) { // 0 .. 0x7FFFFFFF
- writemem[n] = write_nomem_new;
- writememb[n] = write_nomemb_new;
- writememh[n] = write_nomemh_new;
-#ifndef FORCE32
- writememd[n] = write_nomemd_new;
-#endif
- readmem[n] = read_nomem_new;
- readmemb[n] = read_nomemb_new;
- readmemh[n] = read_nomemh_new;
-#ifndef FORCE32
- readmemd[n] = read_nomemd_new;
-#endif
- }
- for(n=0x8000;n<0x8080;n++) { // 0x80000000 .. 0x807FFFFF
- writemem[n] = write_rdram_new;
- writememb[n] = write_rdramb_new;
- writememh[n] = write_rdramh_new;
-#ifndef FORCE32
- writememd[n] = write_rdramd_new;
-#endif
- }
- for(n=0xC000;n<0x10000;n++) { // 0xC0000000 .. 0xFFFFFFFF
- writemem[n] = write_nomem_new;
- writememb[n] = write_nomemb_new;
- writememh[n] = write_nomemh_new;
-#ifndef FORCE32
- writememd[n] = write_nomemd_new;
-#endif
- readmem[n] = read_nomem_new;
- readmemb[n] = read_nomemb_new;
- readmemh[n] = read_nomemh_new;
-#ifndef FORCE32
- readmemd[n] = read_nomemd_new;
-#endif
- }
-#endif
- tlb_hacks();
arch_init();
+ new_dynarec_test();
+#ifndef RAM_FIXED
+ ram_offset=(uintptr_t)rdram-0x80000000;
+#endif
+ if (ram_offset!=0)
+ SysPrintf("warning: RAM is not directly mapped, performance will suffer\n");
}
void new_dynarec_cleanup()
{
int n;
- if (munmap ((void *)BASE_ADDR, 1<<TARGET_SIZE_2) < 0) {printf("munmap() failed\n");}
+#if defined(BASE_ADDR_FIXED) || defined(BASE_ADDR_DYNAMIC)
+ #ifdef VITA
+ sceKernelFreeMemBlock(sceBlock);
+ sceBlock = -1;
+ #else
+ if (munmap(translation_cache, 1<<TARGET_SIZE_2) < 0)
+ SysPrintf("munmap() failed\n");
+ #endif
+#endif
for(n=0;n<4096;n++) ll_clear(jump_in+n);
for(n=0;n<4096;n++) ll_clear(jump_out+n);
for(n=0;n<4096;n++) ll_clear(jump_dirty+n);
#ifdef ROM_COPY
- if (munmap (ROM_COPY, 67108864) < 0) {printf("munmap() failed\n");}
+ if (munmap (ROM_COPY, 67108864) < 0) {SysPrintf("munmap() failed\n");}
#endif
}
-int new_recompile_block(int addr)
+static u_int *get_source_start(u_int addr, u_int *limit)
+{
+ if (addr < 0x00200000 ||
+ (0xa0000000 <= addr && addr < 0xa0200000)) {
+ // used for BIOS calls mostly?
+ *limit = (addr&0xa0000000)|0x00200000;
+ return (u_int *)(rdram + (addr&0x1fffff));
+ }
+ else if (!Config.HLE && (
+ /* (0x9fc00000 <= addr && addr < 0x9fc80000) ||*/
+ (0xbfc00000 <= addr && addr < 0xbfc80000))) {
+ // BIOS
+ *limit = (addr & 0xfff00000) | 0x80000;
+ return (u_int *)((u_char *)psxR + (addr&0x7ffff));
+ }
+ else if (addr >= 0x80000000 && addr < 0x80000000+RAM_SIZE) {
+ *limit = (addr & 0x80600000) + 0x00200000;
+ return (u_int *)(rdram + (addr&0x1fffff));
+ }
+ return NULL;
+}
+
+static u_int scan_for_ret(u_int addr)
+{
+ u_int limit = 0;
+ u_int *mem;
+
+ mem = get_source_start(addr, &limit);
+ if (mem == NULL)
+ return addr;
+
+ if (limit > addr + 0x1000)
+ limit = addr + 0x1000;
+ for (; addr < limit; addr += 4, mem++) {
+ if (*mem == 0x03e00008) // jr $ra
+ return addr + 8;
+ }
+ return addr;
+}
+
+struct savestate_block {
+ uint32_t addr;
+ uint32_t regflags;
+};
+
+static int addr_cmp(const void *p1_, const void *p2_)
+{
+ const struct savestate_block *p1 = p1_, *p2 = p2_;
+ return p1->addr - p2->addr;
+}
+
+int new_dynarec_save_blocks(void *save, int size)
+{
+ struct savestate_block *blocks = save;
+ int maxcount = size / sizeof(blocks[0]);
+ struct savestate_block tmp_blocks[1024];
+ struct ll_entry *head;
+ int p, s, d, o, bcnt;
+ u_int addr;
+
+ o = 0;
+ for (p = 0; p < ARRAY_SIZE(jump_in); p++) {
+ bcnt = 0;
+ for (head = jump_in[p]; head != NULL; head = head->next) {
+ tmp_blocks[bcnt].addr = head->vaddr;
+ tmp_blocks[bcnt].regflags = head->reg_sv_flags;
+ bcnt++;
+ }
+ if (bcnt < 1)
+ continue;
+ qsort(tmp_blocks, bcnt, sizeof(tmp_blocks[0]), addr_cmp);
+
+ addr = tmp_blocks[0].addr;
+ for (s = d = 0; s < bcnt; s++) {
+ if (tmp_blocks[s].addr < addr)
+ continue;
+ if (d == 0 || tmp_blocks[d-1].addr != tmp_blocks[s].addr)
+ tmp_blocks[d++] = tmp_blocks[s];
+ addr = scan_for_ret(tmp_blocks[s].addr);
+ }
+
+ if (o + d > maxcount)
+ d = maxcount - o;
+ memcpy(&blocks[o], tmp_blocks, d * sizeof(blocks[0]));
+ o += d;
+ }
+
+ return o * sizeof(blocks[0]);
+}
+
+void new_dynarec_load_blocks(const void *save, int size)
+{
+ const struct savestate_block *blocks = save;
+ int count = size / sizeof(blocks[0]);
+ u_int regs_save[32];
+ uint32_t f;
+ int i, b;
+
+ get_addr(psxRegs.pc);
+
+ // change GPRs for speculation to at least partially work..
+ memcpy(regs_save, &psxRegs.GPR, sizeof(regs_save));
+ for (i = 1; i < 32; i++)
+ psxRegs.GPR.r[i] = 0x80000000;
+
+ for (b = 0; b < count; b++) {
+ for (f = blocks[b].regflags, i = 0; f; f >>= 1, i++) {
+ if (f & 1)
+ psxRegs.GPR.r[i] = 0x1f800000;
+ }
+
+ get_addr(blocks[b].addr);
+
+ for (f = blocks[b].regflags, i = 0; f; f >>= 1, i++) {
+ if (f & 1)
+ psxRegs.GPR.r[i] = 0x80000000;
+ }
+ }
+
+ memcpy(&psxRegs.GPR, regs_save, sizeof(regs_save));
+}
+
+int new_recompile_block(u_int addr)
{
-/*
- if(addr==0x800cd050) {
- int block;
- for(block=0x80000;block<0x80800;block++) invalidate_block(block);
- int n;
- for(n=0;n<=2048;n++) ll_clear(jump_dirty+n);
- }
-*/
- //if(Count==365117028) tracedebug=1;
- assem_debug("NOTCOMPILED: addr = %x -> %x\n", (int)addr, (int)out);
- //printf("NOTCOMPILED: addr = %x -> %x\n", (int)addr, (int)out);
+ u_int pagelimit = 0;
+ u_int state_rflags = 0;
+ int i;
+
+ assem_debug("NOTCOMPILED: addr = %x -> %p\n", addr, out);
//printf("TRACE: count=%d next=%d (compile %x)\n",Count,next_interupt,addr);
- //if(debug)
- //printf("TRACE: count=%d next=%d (checksum %x)\n",Count,next_interupt,mchecksum());
+ //if(debug)
//printf("fpu mapping=%x enabled=%x\n",(Status & 0x04000000)>>26,(Status & 0x20000000)>>29);
- /*if(Count>=312978186) {
- rlist();
- }*/
- //rlist();
+
+ // this is just for speculation
+ for (i = 1; i < 32; i++) {
+ if ((psxRegs.GPR.r[i] & 0xffff0000) == 0x1f800000)
+ state_rflags |= 1 << i;
+ }
+
start = (u_int)addr&~3;
- //assert(((u_int)addr&1)==0);
+ //assert(((u_int)addr&1)==0); // start-in-delay-slot flag
new_dynarec_did_compile=1;
-#ifdef PCSX
if (Config.HLE && start == 0x80001000) // hlecall
{
// XXX: is this enough? Maybe check hleSoftCall?
- u_int beginning=(u_int)out;
+ void *beginning=start_block();
u_int page=get_page(start);
+
invalid_code[start>>12]=0;
emit_movimm(start,0);
- emit_writeword(0,(int)&pcaddr);
- emit_jmp((int)new_dyna_leave);
+ emit_writeword(0,&pcaddr);
+ emit_jmp(new_dyna_leave);
literal_pool(0);
-#ifdef __arm__
- __clear_cache((void *)beginning,out);
-#endif
- ll_add(jump_in+page,start,(void *)beginning);
+ end_block(beginning);
+ ll_add_flags(jump_in+page,start,state_rflags,(void *)beginning);
return 0;
}
- else if ((u_int)addr < 0x00200000 ||
- (0xa0000000 <= addr && addr < 0xa0200000)) {
- // used for BIOS calls mostly?
- source = (u_int *)((u_int)rdram+(start&0x1fffff));
- pagelimit = (addr&0xa0000000)|0x00200000;
- }
- else if (!Config.HLE && (
-/* (0x9fc00000 <= addr && addr < 0x9fc80000) ||*/
- (0xbfc00000 <= addr && addr < 0xbfc80000))) {
- // BIOS
- source = (u_int *)((u_int)psxR+(start&0x7ffff));
- pagelimit = (addr&0xfff00000)|0x80000;
- }
- else
-#endif
-#ifdef MUPEN64
- if ((int)addr >= 0xa4000000 && (int)addr < 0xa4001000) {
- source = (u_int *)((u_int)SP_DMEM+start-0xa4000000);
- pagelimit = 0xa4001000;
- }
- else
-#endif
- if ((int)addr >= 0x80000000 && (int)addr < 0x80000000+RAM_SIZE) {
- source = (u_int *)((u_int)rdram+start-0x80000000);
- pagelimit = 0x80000000+RAM_SIZE;
- }
-#ifndef DISABLE_TLB
- else if ((signed int)addr >= (signed int)0xC0000000) {
- //printf("addr=%x mm=%x\n",(u_int)addr,(memory_map[start>>12]<<2));
- //if(tlb_LUT_r[start>>12])
- //source = (u_int *)(((int)rdram)+(tlb_LUT_r[start>>12]&0xFFFFF000)+(((int)addr)&0xFFF)-0x80000000);
- if((signed int)memory_map[start>>12]>=0) {
- source = (u_int *)((u_int)(start+(memory_map[start>>12]<<2)));
- pagelimit=(start+4096)&0xFFFFF000;
- int map=memory_map[start>>12];
- int i;
- for(i=0;i<5;i++) {
- //printf("start: %x next: %x\n",map,memory_map[pagelimit>>12]);
- if((map&0xBFFFFFFF)==(memory_map[pagelimit>>12]&0xBFFFFFFF)) pagelimit+=4096;
- }
- assem_debug("pagelimit=%x\n",pagelimit);
- assem_debug("mapping=%x (%x)\n",memory_map[start>>12],(memory_map[start>>12]<<2)+start);
- }
- else {
- assem_debug("Compile at unmapped memory address: %x \n", (int)addr);
- //assem_debug("start: %x next: %x\n",memory_map[start>>12],memory_map[(start+4096)>>12]);
- return -1; // Caller will invoke exception handler
- }
- //printf("source= %x\n",(int)source);
- }
-#endif
- else {
- printf("Compile at bogus memory address: %x \n", (int)addr);
- exit(1);
+
+ source = get_source_start(start, &pagelimit);
+ if (source == NULL) {
+ SysPrintf("Compile at bogus memory address: %08x\n", addr);
+ abort();
}
/* Pass 1: disassemble */
/* Pass 9: linker */
/* Pass 10: garbage collection / free memory */
- int i,j;
+ int j;
int done=0;
unsigned int type,op,op2;
//printf("addr = %x source = %x %x\n", addr,source,source[0]);
-
+
/* Pass 1 disassembly */
for(i=0;!done;i++) {
case 0x33: strcpy(insn[i],"TLTU"); type=NI; break;
case 0x34: strcpy(insn[i],"TEQ"); type=NI; break;
case 0x36: strcpy(insn[i],"TNE"); type=NI; break;
-#ifndef FORCE32
+#if 0
case 0x14: strcpy(insn[i],"DSLLV"); type=SHIFT; break;
case 0x16: strcpy(insn[i],"DSRLV"); type=SHIFT; break;
case 0x17: strcpy(insn[i],"DSRAV"); type=SHIFT; break;
switch(op2)
{
case 0x00: strcpy(insn[i],"MFC0"); type=COP0; break;
+ case 0x02: strcpy(insn[i],"CFC0"); type=COP0; break;
case 0x04: strcpy(insn[i],"MTC0"); type=COP0; break;
- case 0x10: strcpy(insn[i],"tlb"); type=NI;
- switch(source[i]&0x3f)
- {
- case 0x01: strcpy(insn[i],"TLBR"); type=COP0; break;
- case 0x02: strcpy(insn[i],"TLBWI"); type=COP0; break;
- case 0x06: strcpy(insn[i],"TLBWR"); type=COP0; break;
- case 0x08: strcpy(insn[i],"TLBP"); type=COP0; break;
-#ifdef PCSX
- case 0x10: strcpy(insn[i],"RFE"); type=COP0; break;
-#else
- case 0x18: strcpy(insn[i],"ERET"); type=COP0; break;
-#endif
- }
+ case 0x06: strcpy(insn[i],"CTC0"); type=COP0; break;
+ case 0x10: strcpy(insn[i],"RFE"); type=COP0; break;
}
break;
- case 0x11: strcpy(insn[i],"cop1"); type=NI;
+ case 0x11: strcpy(insn[i],"cop1"); type=COP1;
op2=(source[i]>>21)&0x1f;
- switch(op2)
- {
- case 0x00: strcpy(insn[i],"MFC1"); type=COP1; break;
- case 0x01: strcpy(insn[i],"DMFC1"); type=COP1; break;
- case 0x02: strcpy(insn[i],"CFC1"); type=COP1; break;
- case 0x04: strcpy(insn[i],"MTC1"); type=COP1; break;
- case 0x05: strcpy(insn[i],"DMTC1"); type=COP1; break;
- case 0x06: strcpy(insn[i],"CTC1"); type=COP1; break;
- case 0x08: strcpy(insn[i],"BC1"); type=FJUMP;
- switch((source[i]>>16)&0x3)
- {
- case 0x00: strcpy(insn[i],"BC1F"); break;
- case 0x01: strcpy(insn[i],"BC1T"); break;
- case 0x02: strcpy(insn[i],"BC1FL"); break;
- case 0x03: strcpy(insn[i],"BC1TL"); break;
- }
- break;
- case 0x10: strcpy(insn[i],"C1.S"); type=NI;
- switch(source[i]&0x3f)
- {
- case 0x00: strcpy(insn[i],"ADD.S"); type=FLOAT; break;
- case 0x01: strcpy(insn[i],"SUB.S"); type=FLOAT; break;
- case 0x02: strcpy(insn[i],"MUL.S"); type=FLOAT; break;
- case 0x03: strcpy(insn[i],"DIV.S"); type=FLOAT; break;
- case 0x04: strcpy(insn[i],"SQRT.S"); type=FLOAT; break;
- case 0x05: strcpy(insn[i],"ABS.S"); type=FLOAT; break;
- case 0x06: strcpy(insn[i],"MOV.S"); type=FLOAT; break;
- case 0x07: strcpy(insn[i],"NEG.S"); type=FLOAT; break;
- case 0x08: strcpy(insn[i],"ROUND.L.S"); type=FCONV; break;
- case 0x09: strcpy(insn[i],"TRUNC.L.S"); type=FCONV; break;
- case 0x0A: strcpy(insn[i],"CEIL.L.S"); type=FCONV; break;
- case 0x0B: strcpy(insn[i],"FLOOR.L.S"); type=FCONV; break;
- case 0x0C: strcpy(insn[i],"ROUND.W.S"); type=FCONV; break;
- case 0x0D: strcpy(insn[i],"TRUNC.W.S"); type=FCONV; break;
- case 0x0E: strcpy(insn[i],"CEIL.W.S"); type=FCONV; break;
- case 0x0F: strcpy(insn[i],"FLOOR.W.S"); type=FCONV; break;
- case 0x21: strcpy(insn[i],"CVT.D.S"); type=FCONV; break;
- case 0x24: strcpy(insn[i],"CVT.W.S"); type=FCONV; break;
- case 0x25: strcpy(insn[i],"CVT.L.S"); type=FCONV; break;
- case 0x30: strcpy(insn[i],"C.F.S"); type=FCOMP; break;
- case 0x31: strcpy(insn[i],"C.UN.S"); type=FCOMP; break;
- case 0x32: strcpy(insn[i],"C.EQ.S"); type=FCOMP; break;
- case 0x33: strcpy(insn[i],"C.UEQ.S"); type=FCOMP; break;
- case 0x34: strcpy(insn[i],"C.OLT.S"); type=FCOMP; break;
- case 0x35: strcpy(insn[i],"C.ULT.S"); type=FCOMP; break;
- case 0x36: strcpy(insn[i],"C.OLE.S"); type=FCOMP; break;
- case 0x37: strcpy(insn[i],"C.ULE.S"); type=FCOMP; break;
- case 0x38: strcpy(insn[i],"C.SF.S"); type=FCOMP; break;
- case 0x39: strcpy(insn[i],"C.NGLE.S"); type=FCOMP; break;
- case 0x3A: strcpy(insn[i],"C.SEQ.S"); type=FCOMP; break;
- case 0x3B: strcpy(insn[i],"C.NGL.S"); type=FCOMP; break;
- case 0x3C: strcpy(insn[i],"C.LT.S"); type=FCOMP; break;
- case 0x3D: strcpy(insn[i],"C.NGE.S"); type=FCOMP; break;
- case 0x3E: strcpy(insn[i],"C.LE.S"); type=FCOMP; break;
- case 0x3F: strcpy(insn[i],"C.NGT.S"); type=FCOMP; break;
- }
- break;
- case 0x11: strcpy(insn[i],"C1.D"); type=NI;
- switch(source[i]&0x3f)
- {
- case 0x00: strcpy(insn[i],"ADD.D"); type=FLOAT; break;
- case 0x01: strcpy(insn[i],"SUB.D"); type=FLOAT; break;
- case 0x02: strcpy(insn[i],"MUL.D"); type=FLOAT; break;
- case 0x03: strcpy(insn[i],"DIV.D"); type=FLOAT; break;
- case 0x04: strcpy(insn[i],"SQRT.D"); type=FLOAT; break;
- case 0x05: strcpy(insn[i],"ABS.D"); type=FLOAT; break;
- case 0x06: strcpy(insn[i],"MOV.D"); type=FLOAT; break;
- case 0x07: strcpy(insn[i],"NEG.D"); type=FLOAT; break;
- case 0x08: strcpy(insn[i],"ROUND.L.D"); type=FCONV; break;
- case 0x09: strcpy(insn[i],"TRUNC.L.D"); type=FCONV; break;
- case 0x0A: strcpy(insn[i],"CEIL.L.D"); type=FCONV; break;
- case 0x0B: strcpy(insn[i],"FLOOR.L.D"); type=FCONV; break;
- case 0x0C: strcpy(insn[i],"ROUND.W.D"); type=FCONV; break;
- case 0x0D: strcpy(insn[i],"TRUNC.W.D"); type=FCONV; break;
- case 0x0E: strcpy(insn[i],"CEIL.W.D"); type=FCONV; break;
- case 0x0F: strcpy(insn[i],"FLOOR.W.D"); type=FCONV; break;
- case 0x20: strcpy(insn[i],"CVT.S.D"); type=FCONV; break;
- case 0x24: strcpy(insn[i],"CVT.W.D"); type=FCONV; break;
- case 0x25: strcpy(insn[i],"CVT.L.D"); type=FCONV; break;
- case 0x30: strcpy(insn[i],"C.F.D"); type=FCOMP; break;
- case 0x31: strcpy(insn[i],"C.UN.D"); type=FCOMP; break;
- case 0x32: strcpy(insn[i],"C.EQ.D"); type=FCOMP; break;
- case 0x33: strcpy(insn[i],"C.UEQ.D"); type=FCOMP; break;
- case 0x34: strcpy(insn[i],"C.OLT.D"); type=FCOMP; break;
- case 0x35: strcpy(insn[i],"C.ULT.D"); type=FCOMP; break;
- case 0x36: strcpy(insn[i],"C.OLE.D"); type=FCOMP; break;
- case 0x37: strcpy(insn[i],"C.ULE.D"); type=FCOMP; break;
- case 0x38: strcpy(insn[i],"C.SF.D"); type=FCOMP; break;
- case 0x39: strcpy(insn[i],"C.NGLE.D"); type=FCOMP; break;
- case 0x3A: strcpy(insn[i],"C.SEQ.D"); type=FCOMP; break;
- case 0x3B: strcpy(insn[i],"C.NGL.D"); type=FCOMP; break;
- case 0x3C: strcpy(insn[i],"C.LT.D"); type=FCOMP; break;
- case 0x3D: strcpy(insn[i],"C.NGE.D"); type=FCOMP; break;
- case 0x3E: strcpy(insn[i],"C.LE.D"); type=FCOMP; break;
- case 0x3F: strcpy(insn[i],"C.NGT.D"); type=FCOMP; break;
- }
- break;
- case 0x14: strcpy(insn[i],"C1.W"); type=NI;
- switch(source[i]&0x3f)
- {
- case 0x20: strcpy(insn[i],"CVT.S.W"); type=FCONV; break;
- case 0x21: strcpy(insn[i],"CVT.D.W"); type=FCONV; break;
- }
- break;
- case 0x15: strcpy(insn[i],"C1.L"); type=NI;
- switch(source[i]&0x3f)
- {
- case 0x20: strcpy(insn[i],"CVT.S.L"); type=FCONV; break;
- case 0x21: strcpy(insn[i],"CVT.D.L"); type=FCONV; break;
- }
- break;
- }
break;
-#ifndef FORCE32
+#if 0
case 0x14: strcpy(insn[i],"BEQL"); type=CJUMP; break;
case 0x15: strcpy(insn[i],"BNEL"); type=CJUMP; break;
case 0x16: strcpy(insn[i],"BLEZL"); type=CJUMP; break;
case 0x24: strcpy(insn[i],"LBU"); type=LOAD; break;
case 0x25: strcpy(insn[i],"LHU"); type=LOAD; break;
case 0x26: strcpy(insn[i],"LWR"); type=LOADLR; break;
-#ifndef FORCE32
+#if 0
case 0x27: strcpy(insn[i],"LWU"); type=LOAD; break;
#endif
case 0x28: strcpy(insn[i],"SB"); type=STORE; break;
case 0x29: strcpy(insn[i],"SH"); type=STORE; break;
case 0x2A: strcpy(insn[i],"SWL"); type=STORELR; break;
case 0x2B: strcpy(insn[i],"SW"); type=STORE; break;
-#ifndef FORCE32
+#if 0
case 0x2C: strcpy(insn[i],"SDL"); type=STORELR; break;
case 0x2D: strcpy(insn[i],"SDR"); type=STORELR; break;
#endif
case 0x2F: strcpy(insn[i],"CACHE"); type=NOP; break;
case 0x30: strcpy(insn[i],"LL"); type=NI; break;
case 0x31: strcpy(insn[i],"LWC1"); type=C1LS; break;
-#ifndef FORCE32
+#if 0
case 0x34: strcpy(insn[i],"LLD"); type=NI; break;
case 0x35: strcpy(insn[i],"LDC1"); type=C1LS; break;
case 0x37: strcpy(insn[i],"LD"); type=LOAD; break;
#endif
case 0x38: strcpy(insn[i],"SC"); type=NI; break;
case 0x39: strcpy(insn[i],"SWC1"); type=C1LS; break;
-#ifndef FORCE32
+#if 0
case 0x3C: strcpy(insn[i],"SCD"); type=NI; break;
case 0x3D: strcpy(insn[i],"SDC1"); type=C1LS; break;
case 0x3F: strcpy(insn[i],"SD"); type=STORE; break;
#endif
-#ifdef PCSX
case 0x12: strcpy(insn[i],"COP2"); type=NI;
op2=(source[i]>>21)&0x1f;
- //if (op2 & 0x10) {
+ //if (op2 & 0x10)
if (source[i]&0x3f) { // use this hack to support old savestates with patched gte insns
if (gte_handlers[source[i]&0x3f]!=NULL) {
if (gte_regnames[source[i]&0x3f]!=NULL)
case 0x32: strcpy(insn[i],"LWC2"); type=C2LS; break;
case 0x3A: strcpy(insn[i],"SWC2"); type=C2LS; break;
case 0x3B: strcpy(insn[i],"HLECALL"); type=HLECALL; break;
-#endif
default: strcpy(insn[i],"???"); type=NI;
- printf("NI %08x @%08x (%08x)\n", source[i], addr + i*4, addr);
+ SysPrintf("NI %08x @%08x (%08x)\n", source[i], addr + i*4, addr);
break;
}
itype[i]=type;
opcode2[i]=op2;
/* Get registers/immediates */
lt1[i]=0;
- us1[i]=0;
- us2[i]=0;
dep1[i]=0;
dep2[i]=0;
gte_rs[i]=gte_rt[i]=0;
rt1[i]=0;
rt2[i]=0;
imm[i]=(short)source[i];
- if(op==0x2c||op==0x2d||op==0x3f) us1[i]=rs2[i]; // 64-bit SDL/SDR/SD
break;
case LOADLR:
// LWL/LWR only load part of the register,
rt1[i]=(source[i]>>16)&0x1f;
rt2[i]=0;
imm[i]=(short)source[i];
- if(op==0x1a||op==0x1b) us1[i]=rs2[i]; // LDR/LDL
if(op==0x26) dep1[i]=rt1[i]; // LWR
break;
case IMM16:
}else{
imm[i]=(short)source[i];
}
- if(op==0x18||op==0x19) us1[i]=rs1[i]; // DADDI/DADDIU
- if(op==0x0a||op==0x0b) us1[i]=rs1[i]; // SLTI/SLTIU
if(op==0x0d||op==0x0e) dep1[i]=rs1[i]; // ORI/XORI
break;
case UJUMP:
if(op&2) { // BGTZ/BLEZ
rs2[i]=0;
}
- us1[i]=rs1[i];
- us2[i]=rs2[i];
likely[i]=op>>4;
break;
case SJUMP:
rs2[i]=CCREG;
rt1[i]=0;
rt2[i]=0;
- us1[i]=rs1[i];
if(op2&0x10) { // BxxAL
rt1[i]=31;
// NOTE: If the branch is not taken, r31 is still overwritten
}
likely[i]=(op2&2)>>1;
break;
- case FJUMP:
- rs1[i]=FSREG;
- rs2[i]=CSREG;
- rt1[i]=0;
- rt2[i]=0;
- likely[i]=((source[i])>>17)&1;
- break;
case ALU:
rs1[i]=(source[i]>>21)&0x1f; // source
rs2[i]=(source[i]>>16)&0x1f; // subtract amount
rt1[i]=(source[i]>>11)&0x1f; // destination
rt2[i]=0;
- if(op2==0x2a||op2==0x2b) { // SLT/SLTU
- us1[i]=rs1[i];us2[i]=rs2[i];
- }
- else if(op2>=0x24&&op2<=0x27) { // AND/OR/XOR/NOR
+ if(op2>=0x24&&op2<=0x27) { // AND/OR/XOR/NOR
dep1[i]=rs1[i];dep2[i]=rs2[i];
}
else if(op2>=0x2c&&op2<=0x2f) { // DADD/DSUB
rs2[i]=(source[i]>>16)&0x1f; // divisor
rt1[i]=HIREG;
rt2[i]=LOREG;
- if (op2>=0x1c&&op2<=0x1f) { // DMULT/DMULTU/DDIV/DDIVU
- us1[i]=rs1[i];us2[i]=rs2[i];
- }
break;
case MOV:
rs1[i]=0;
rs2[i]=(source[i]>>21)&0x1f; // shift amount
rt1[i]=(source[i]>>11)&0x1f; // destination
rt2[i]=0;
- // DSLLV/DSRLV/DSRAV are 64-bit
- if(op2>=0x14&&op2<=0x17) us1[i]=rs1[i];
break;
case SHIFTIMM:
rs1[i]=(source[i]>>16)&0x1f;
imm[i]=(source[i]>>6)&0x1f;
// DSxx32 instructions
if(op2>=0x3c) imm[i]|=0x20;
- // DSLL/DSRL/DSRA/DSRA32/DSRL32 but not DSLL32 require 64-bit source
- if(op2>=0x38&&op2!=0x3c) us1[i]=rs1[i];
break;
case COP0:
rs1[i]=0;
rs2[i]=0;
rt1[i]=0;
rt2[i]=0;
- if(op2==0) rt1[i]=(source[i]>>16)&0x1F; // MFC0
- if(op2==4) rs1[i]=(source[i]>>16)&0x1F; // MTC0
+ if(op2==0||op2==2) rt1[i]=(source[i]>>16)&0x1F; // MFC0/CFC0
+ if(op2==4||op2==6) rs1[i]=(source[i]>>16)&0x1F; // MTC0/CTC0
if(op2==4&&((source[i]>>11)&0x1f)==12) rt2[i]=CSREG; // Status
if(op2==16) if((source[i]&0x3f)==0x18) rs2[i]=CCREG; // ERET
break;
rt2[i]=0;
if(op2<3) rt1[i]=(source[i]>>16)&0x1F; // MFC1/DMFC1/CFC1
if(op2>3) rs1[i]=(source[i]>>16)&0x1F; // MTC1/DMTC1/CTC1
- if(op2==5) us1[i]=rs1[i]; // DMTC1
rs2[i]=CSREG;
break;
case COP2:
else gte_rs[i]|=3ll<<(v*2);
}
break;
- case FLOAT:
- case FCONV:
- rs1[i]=0;
- rs2[i]=CSREG;
- rt1[i]=0;
- rt2[i]=0;
- break;
- case FCOMP:
- rs1[i]=FSREG;
- rs2[i]=CSREG;
- rt1[i]=FSREG;
- rt2[i]=0;
- break;
case SYSCALL:
case HLECALL:
case INTCALL:
ba[i]=start+i*4+8; // Ignore never taken branch
else if(type==SJUMP&&rs1[i]==0&&!(op2&1))
ba[i]=start+i*4+8; // Ignore never taken branch
- else if(type==CJUMP||type==SJUMP||type==FJUMP)
+ else if(type==CJUMP||type==SJUMP)
ba[i]=start+i*4+4+((signed int)((unsigned int)source[i]<<16)>>14);
else ba[i]=-1;
-#ifdef PCSX
- if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP)) {
+ if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP)) {
int do_in_intrp=0;
// branch in delay slot?
- if(type==RJUMP||type==UJUMP||type==CJUMP||type==SJUMP||type==FJUMP) {
+ if(type==RJUMP||type==UJUMP||type==CJUMP||type==SJUMP) {
// don't handle first branch and call interpreter if it's hit
- printf("branch in delay slot @%08x (%08x)\n", addr + i*4, addr);
+ SysPrintf("branch in delay slot @%08x (%08x)\n", addr + i*4, addr);
do_in_intrp=1;
}
// basic load delay detection
int t=(ba[i-1]-start)/4;
if(0 <= t && t < i &&(rt1[i]==rs1[t]||rt1[i]==rs2[t])&&itype[t]!=CJUMP&&itype[t]!=SJUMP) {
// jump target wants DS result - potential load delay effect
- printf("load delay @%08x (%08x)\n", addr + i*4, addr);
+ SysPrintf("load delay @%08x (%08x)\n", addr + i*4, addr);
do_in_intrp=1;
bt[t+1]=1; // expected return from interpreter
}
else if(i>=2&&rt1[i-2]==2&&rt1[i]==2&&rs1[i]!=2&&rs2[i]!=2&&rs1[i-1]!=2&&rs2[i-1]!=2&&
!(i>=3&&(itype[i-3]==RJUMP||itype[i-3]==UJUMP||itype[i-3]==CJUMP||itype[i-3]==SJUMP))) {
// v0 overwrite like this is a sign of trouble, bail out
- printf("v0 overwrite @%08x (%08x)\n", addr + i*4, addr);
+ SysPrintf("v0 overwrite @%08x (%08x)\n", addr + i*4, addr);
do_in_intrp=1;
}
}
i--; // don't compile the DS
}
}
-#endif
/* Is this the end of the block? */
if(i>0&&(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000)) {
if(rt1[i-1]==0) { // Continue past subroutine call (JAL)
// Stop if we're compiling junk
if(itype[i]==NI&&opcode[i]==0x11) {
done=stop_after_jal=1;
- printf("Disabled speculative precompilation\n");
+ SysPrintf("Disabled speculative precompilation\n");
}
}
slen=i;
- if(itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==RJUMP||itype[i-1]==FJUMP) {
+ if(itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==RJUMP) {
if(start+i*4==pagelimit) {
itype[i-1]=SPAN;
}
/* Pass 2 - Register dependencies and branch targets */
unneeded_registers(0,slen-1,0);
-
+
/* Pass 3 - Register allocation */
struct regstat current; // Current register allocations/status
- current.is32=1;
current.dirty=0;
current.u=unneeded_reg[0];
- current.uu=unneeded_reg_upper[0];
clear_all_regs(current.regmap);
alloc_reg(¤t,0,CCREG);
dirty_reg(¤t,CCREG);
int cc=0;
int hr=-1;
-#ifndef FORCE32
- provisional_32bit();
-#endif
if((u_int)addr&1) {
// First instruction is delay slot
cc=-1;
bt[1]=1;
ds=1;
unneeded_reg[0]=1;
- unneeded_reg_upper[0]=1;
current.regmap[HOST_BTREG]=BTREG;
}
-
+
for(i=0;i<slen;i++)
{
if(bt[i])
current.isconst=0;
current.waswritten=0;
}
- if(i>1)
- {
- if((opcode[i-2]&0x2f)==0x05) // BNE/BNEL
- {
- if(rs1[i-2]==0||rs2[i-2]==0)
- {
- if(rs1[i-2]) {
- current.is32|=1LL<<rs1[i-2];
- int hr=get_reg(current.regmap,rs1[i-2]|64);
- if(hr>=0) current.regmap[hr]=-1;
- }
- if(rs2[i-2]) {
- current.is32|=1LL<<rs2[i-2];
- int hr=get_reg(current.regmap,rs2[i-2]|64);
- if(hr>=0) current.regmap[hr]=-1;
- }
- }
- }
- }
-#ifndef FORCE32
- // If something jumps here with 64-bit values
- // then promote those registers to 64 bits
- if(bt[i])
- {
- uint64_t temp_is32=current.is32;
- for(j=i-1;j>=0;j--)
- {
- if(ba[j]==start+i*4)
- temp_is32&=branch_regs[j].is32;
- }
- for(j=i;j<slen;j++)
- {
- if(ba[j]==start+i*4)
- //temp_is32=1;
- temp_is32&=p32[j];
- }
- if(temp_is32!=current.is32) {
- //printf("dumping 32-bit regs (%x)\n",start+i*4);
- #ifndef DESTRUCTIVE_WRITEBACK
- if(ds)
- #endif
- for(hr=0;hr<HOST_REGS;hr++)
- {
- int r=current.regmap[hr];
- if(r>0&&r<64)
- {
- if((current.dirty>>hr)&((current.is32&~temp_is32)>>r)&1) {
- temp_is32|=1LL<<r;
- //printf("restore %d\n",r);
- }
- }
- }
- current.is32=temp_is32;
- }
- }
-#else
- current.is32=-1LL;
-#endif
memcpy(regmap_pre[i],current.regmap,sizeof(current.regmap));
regs[i].wasconst=current.isconst;
- regs[i].was32=current.is32;
regs[i].wasdirty=current.dirty;
regs[i].loadedconst=0;
- #if defined(DESTRUCTIVE_WRITEBACK) && !defined(FORCE32)
- // To change a dirty register from 32 to 64 bits, we must write
- // it out during the previous cycle (for branches, 2 cycles)
- if(i<slen-1&&bt[i+1]&&itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP)
- {
- uint64_t temp_is32=current.is32;
- for(j=i-1;j>=0;j--)
- {
- if(ba[j]==start+i*4+4)
- temp_is32&=branch_regs[j].is32;
- }
- for(j=i;j<slen;j++)
- {
- if(ba[j]==start+i*4+4)
- //temp_is32=1;
- temp_is32&=p32[j];
- }
- if(temp_is32!=current.is32) {
- //printf("pre-dumping 32-bit regs (%x)\n",start+i*4);
- for(hr=0;hr<HOST_REGS;hr++)
- {
- int r=current.regmap[hr];
- if(r>0)
- {
- if((current.dirty>>hr)&((current.is32&~temp_is32)>>(r&63))&1) {
- if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP&&itype[i]!=FJUMP)
- {
- if(rs1[i]!=(r&63)&&rs2[i]!=(r&63))
- {
- //printf("dump %d/r%d\n",hr,r);
- current.regmap[hr]=-1;
- if(get_reg(current.regmap,r|64)>=0)
- current.regmap[get_reg(current.regmap,r|64)]=-1;
- }
- }
- }
- }
- }
- }
- }
- else if(i<slen-2&&bt[i+2]&&(source[i-1]>>16)!=0x1000&&(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP))
- {
- uint64_t temp_is32=current.is32;
- for(j=i-1;j>=0;j--)
- {
- if(ba[j]==start+i*4+8)
- temp_is32&=branch_regs[j].is32;
- }
- for(j=i;j<slen;j++)
- {
- if(ba[j]==start+i*4+8)
- //temp_is32=1;
- temp_is32&=p32[j];
- }
- if(temp_is32!=current.is32) {
- //printf("pre-dumping 32-bit regs (%x)\n",start+i*4);
- for(hr=0;hr<HOST_REGS;hr++)
- {
- int r=current.regmap[hr];
- if(r>0)
- {
- if((current.dirty>>hr)&((current.is32&~temp_is32)>>(r&63))&1) {
- if(rs1[i]!=(r&63)&&rs2[i]!=(r&63)&&rs1[i+1]!=(r&63)&&rs2[i+1]!=(r&63))
- {
- //printf("dump %d/r%d\n",hr,r);
- current.regmap[hr]=-1;
- if(get_reg(current.regmap,r|64)>=0)
- current.regmap[get_reg(current.regmap,r|64)]=-1;
- }
- }
- }
- }
- }
- }
- #endif
- if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP&&itype[i]!=FJUMP) {
+ if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP) {
if(i+1<slen) {
current.u=unneeded_reg[i+1]&~((1LL<<rs1[i])|(1LL<<rs2[i]));
- current.uu=unneeded_reg_upper[i+1]&~((1LL<<us1[i])|(1LL<<us2[i]));
- if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]));
current.u|=1;
- current.uu|=1;
} else {
current.u=1;
- current.uu=1;
}
} else {
if(i+1<slen) {
current.u=branch_unneeded_reg[i]&~((1LL<<rs1[i+1])|(1LL<<rs2[i+1]));
- current.uu=branch_unneeded_reg_upper[i]&~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- if((~current.uu>>rt1[i+1])&1) current.uu&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1]));
current.u&=~((1LL<<rs1[i])|(1LL<<rs2[i]));
- current.uu&=~((1LL<<us1[i])|(1LL<<us2[i]));
current.u|=1;
- current.uu|=1;
- } else { printf("oops, branch at end of block with no delay slot\n");exit(1); }
+ } else { SysPrintf("oops, branch at end of block with no delay slot\n");abort(); }
}
is_ds[i]=ds;
if(ds) {
// ...but we need to alloc it in case something jumps here
if(i+1<slen) {
current.u=branch_unneeded_reg[i-1]&unneeded_reg[i+1];
- current.uu=branch_unneeded_reg_upper[i-1]&unneeded_reg_upper[i+1];
}else{
current.u=branch_unneeded_reg[i-1];
- current.uu=branch_unneeded_reg_upper[i-1];
}
current.u&=~((1LL<<rs1[i])|(1LL<<rs2[i]));
- current.uu&=~((1LL<<us1[i])|(1LL<<us2[i]));
- if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]));
current.u|=1;
- current.uu|=1;
struct regstat temp;
memcpy(&temp,¤t,sizeof(current));
temp.wasdirty=temp.dirty;
- temp.was32=temp.is32;
// TODO: Take into account unconditional branches, as below
delayslot_alloc(&temp,i);
memcpy(regs[i].regmap,temp.regmap,sizeof(temp.regmap));
regs[i].wasdirty=temp.wasdirty;
- regs[i].was32=temp.was32;
regs[i].dirty=temp.dirty;
- regs[i].is32=temp.is32;
regs[i].isconst=0;
regs[i].wasconst=0;
current.isconst=0;
}
else
{
- if(r<64){
+ assert(r < 64);
if((current.u>>r)&1) {
regs[i].regmap_entry[hr]=-1;
regs[i].regmap[hr]=-1;
//current.regmap[hr]=-1;
}else
regs[i].regmap_entry[hr]=r;
- }
- else {
- if((current.uu>>(r&63))&1) {
- regs[i].regmap_entry[hr]=-1;
- regs[i].regmap[hr]=-1;
- //Don't clear regs in the delay slot as the branch might need them
- //current.regmap[hr]=-1;
- }else
- regs[i].regmap_entry[hr]=r;
- }
}
} else {
// First instruction expects CCREG to be allocated
- if(i==0&&hr==HOST_CCREG)
+ if(i==0&&hr==HOST_CCREG)
regs[i].regmap_entry[hr]=CCREG;
else
regs[i].regmap_entry[hr]=-1;
#ifdef REG_PREFETCH
alloc_reg(¤t,i,PTEMP);
#endif
- //current.is32|=1LL<<rt1[i];
}
ooo[i]=1;
delayslot_alloc(¤t,i+1);
#ifdef USE_MINI_HT
if(rs1[i]==31) { // JALR
alloc_reg(¤t,i,RHASH);
- #ifndef HOST_IMM_ADDR32
alloc_reg(¤t,i,RHTBL);
- #endif
}
#endif
delayslot_alloc(¤t,i+1);
dirty_reg(¤t,CCREG);
if(rs1[i]) alloc_reg(¤t,i,rs1[i]);
if(rs2[i]) alloc_reg(¤t,i,rs2[i]);
- if(!((current.is32>>rs1[i])&(current.is32>>rs2[i])&1))
- {
- if(rs1[i]) alloc_reg64(¤t,i,rs1[i]);
- if(rs2[i]) alloc_reg64(¤t,i,rs2[i]);
- }
if((rs1[i]&&(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1]))||
(rs2[i]&&(rs2[i]==rt1[i+1]||rs2[i]==rt2[i+1]))) {
// The delay slot overwrites one of our conditions.
regs[i].wasconst=0;
if(rs1[i]) alloc_reg(¤t,i,rs1[i]);
if(rs2[i]) alloc_reg(¤t,i,rs2[i]);
- if(!((current.is32>>rs1[i])&(current.is32>>rs2[i])&1))
- {
- if(rs1[i]) alloc_reg64(¤t,i,rs1[i]);
- if(rs2[i]) alloc_reg64(¤t,i,rs2[i]);
- }
}
else
{
alloc_cc(¤t,i);
dirty_reg(¤t,CCREG);
alloc_reg(¤t,i,rs1[i]);
- if(!(current.is32>>rs1[i]&1))
- {
- alloc_reg64(¤t,i,rs1[i]);
- }
if(rs1[i]&&(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1])) {
// The delay slot overwrites one of our conditions.
// Allocate the branch condition registers instead.
current.wasconst=0;
regs[i].wasconst=0;
if(rs1[i]) alloc_reg(¤t,i,rs1[i]);
- if(!((current.is32>>rs1[i])&1))
- {
- if(rs1[i]) alloc_reg64(¤t,i,rs1[i]);
- }
}
else
{
dirty_reg(¤t,CCREG);
alloc_reg(¤t,i,rs1[i]);
alloc_reg(¤t,i,rs2[i]);
- if(!((current.is32>>rs1[i])&(current.is32>>rs2[i])&1))
- {
- alloc_reg64(¤t,i,rs1[i]);
- alloc_reg64(¤t,i,rs2[i]);
- }
}
else
if((opcode[i]&0x3E)==0x16) // BLEZL/BGTZL
alloc_cc(¤t,i);
dirty_reg(¤t,CCREG);
alloc_reg(¤t,i,rs1[i]);
- if(!(current.is32>>rs1[i]&1))
- {
- alloc_reg64(¤t,i,rs1[i]);
- }
}
ds=1;
//current.isconst=0;
alloc_cc(¤t,i);
dirty_reg(¤t,CCREG);
alloc_reg(¤t,i,rs1[i]);
- if(!(current.is32>>rs1[i]&1))
- {
- alloc_reg64(¤t,i,rs1[i]);
- }
if (rt1[i]==31) { // BLTZAL/BGEZAL
alloc_reg(¤t,i,31);
dirty_reg(¤t,31);
//#ifdef REG_PREFETCH
//alloc_reg(¤t,i,PTEMP);
//#endif
- //current.is32|=1LL<<rt1[i];
}
if((rs1[i]&&(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1])) // The delay slot overwrites the branch condition.
||(rt1[i]==31&&(rs1[i+1]==31||rs2[i+1]==31||rt1[i+1]==31||rt2[i+1]==31))) { // DS touches $ra
current.wasconst=0;
regs[i].wasconst=0;
if(rs1[i]) alloc_reg(¤t,i,rs1[i]);
- if(!((current.is32>>rs1[i])&1))
- {
- if(rs1[i]) alloc_reg64(¤t,i,rs1[i]);
- }
}
else
{
alloc_cc(¤t,i);
dirty_reg(¤t,CCREG);
alloc_reg(¤t,i,rs1[i]);
- if(!(current.is32>>rs1[i]&1))
- {
- alloc_reg64(¤t,i,rs1[i]);
- }
}
ds=1;
//current.isconst=0;
break;
- case FJUMP:
- current.isconst=0;
- current.wasconst=0;
- regs[i].wasconst=0;
- if(likely[i]==0) // BC1F/BC1T
- {
- // TODO: Theoretically we can run out of registers here on x86.
- // The delay slot can allocate up to six, and we need to check
- // CSREG before executing the delay slot. Possibly we can drop
- // the cycle count and then reload it after checking that the
- // FPU is in a usable state, or don't do out-of-order execution.
- alloc_cc(¤t,i);
- dirty_reg(¤t,CCREG);
- alloc_reg(¤t,i,FSREG);
- alloc_reg(¤t,i,CSREG);
- if(itype[i+1]==FCOMP) {
- // The delay slot overwrites the branch condition.
- // Allocate the branch condition registers instead.
- alloc_cc(¤t,i);
- dirty_reg(¤t,CCREG);
- alloc_reg(¤t,i,CSREG);
- alloc_reg(¤t,i,FSREG);
- }
- else {
- ooo[i]=1;
- delayslot_alloc(¤t,i+1);
- alloc_reg(¤t,i+1,CSREG);
- }
- }
- else
- // Don't alloc the delay slot yet because we might not execute it
- if(likely[i]) // BC1FL/BC1TL
- {
- alloc_cc(¤t,i);
- dirty_reg(¤t,CCREG);
- alloc_reg(¤t,i,CSREG);
- alloc_reg(¤t,i,FSREG);
- }
- ds=1;
- current.isconst=0;
- break;
case IMM16:
imm16_alloc(¤t,i);
break;
break;
case COP1:
case COP2:
- cop1_alloc(¤t,i);
+ cop12_alloc(¤t,i);
break;
case C1LS:
c1ls_alloc(¤t,i);
case C2OP:
c2op_alloc(¤t,i);
break;
- case FCONV:
- fconv_alloc(¤t,i);
- break;
- case FLOAT:
- float_alloc(¤t,i);
- break;
- case FCOMP:
- fcomp_alloc(¤t,i);
- break;
case SYSCALL:
case HLECALL:
case INTCALL:
pagespan_alloc(¤t,i);
break;
}
-
- // Drop the upper half of registers that have become 32-bit
- current.uu|=current.is32&((1LL<<rt1[i])|(1LL<<rt2[i]));
- if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP&&itype[i]!=FJUMP) {
- current.uu&=~((1LL<<us1[i])|(1LL<<us2[i]));
- if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]));
- current.uu|=1;
- } else {
- current.uu|=current.is32&((1LL<<rt1[i+1])|(1LL<<rt2[i+1]));
- current.uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1]));
- if((~current.uu>>rt1[i+1])&1) current.uu&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1]));
- current.uu&=~((1LL<<us1[i])|(1LL<<us2[i]));
- current.uu|=1;
- }
// Create entry (branch target) regmap
for(hr=0;hr<HOST_REGS;hr++)
{
- int r,or,er;
+ int r,or;
r=current.regmap[hr];
if(r>=0) {
if(r!=regmap_pre[i][hr]) {
regs[i].regmap_entry[hr]=0;
}
else
- if(r<64){
+ {
+ assert(r<64);
if((current.u>>r)&1) {
regs[i].regmap_entry[hr]=-1;
//regs[i].regmap[hr]=-1;
}else
regs[i].regmap_entry[hr]=r;
}
- else {
- if((current.uu>>(r&63))&1) {
- regs[i].regmap_entry[hr]=-1;
- //regs[i].regmap[hr]=-1;
- current.regmap[hr]=-1;
- }else
- regs[i].regmap_entry[hr]=r;
- }
}
} else {
// Branches expect CCREG to be allocated at the target
- if(regmap_pre[i][hr]==CCREG)
+ if(regmap_pre[i][hr]==CCREG)
regs[i].regmap_entry[hr]=CCREG;
else
regs[i].regmap_entry[hr]=-1;
/* Branch post-alloc */
if(i>0)
{
- current.was32=current.is32;
current.wasdirty=current.dirty;
switch(itype[i-1]) {
case UJUMP:
branch_regs[i-1].isconst=0;
branch_regs[i-1].wasconst=0;
branch_regs[i-1].u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i-1])|(1LL<<rs2[i-1]));
- branch_regs[i-1].uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i-1])|(1LL<<us2[i-1]));
alloc_cc(&branch_regs[i-1],i-1);
dirty_reg(&branch_regs[i-1],CCREG);
if(rt1[i-1]==31) { // JAL
alloc_reg(&branch_regs[i-1],i-1,31);
dirty_reg(&branch_regs[i-1],31);
- branch_regs[i-1].is32|=1LL<<31;
}
memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
- memcpy(constmap[i],constmap[i-1],sizeof(current.constmap));
+ memcpy(constmap[i],constmap[i-1],sizeof(current_constmap));
break;
case RJUMP:
memcpy(&branch_regs[i-1],¤t,sizeof(current));
branch_regs[i-1].isconst=0;
branch_regs[i-1].wasconst=0;
branch_regs[i-1].u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i-1])|(1LL<<rs2[i-1]));
- branch_regs[i-1].uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i-1])|(1LL<<us2[i-1]));
alloc_cc(&branch_regs[i-1],i-1);
dirty_reg(&branch_regs[i-1],CCREG);
alloc_reg(&branch_regs[i-1],i-1,rs1[i-1]);
if(rt1[i-1]!=0) { // JALR
alloc_reg(&branch_regs[i-1],i-1,rt1[i-1]);
dirty_reg(&branch_regs[i-1],rt1[i-1]);
- branch_regs[i-1].is32|=1LL<<rt1[i-1];
}
#ifdef USE_MINI_HT
if(rs1[i-1]==31) { // JALR
alloc_reg(&branch_regs[i-1],i-1,RHASH);
- #ifndef HOST_IMM_ADDR32
alloc_reg(&branch_regs[i-1],i-1,RHTBL);
- #endif
}
#endif
memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
- memcpy(constmap[i],constmap[i-1],sizeof(current.constmap));
+ memcpy(constmap[i],constmap[i-1],sizeof(current_constmap));
break;
case CJUMP:
if((opcode[i-1]&0x3E)==4) // BEQ/BNE
// The delay slot overwrote one of our conditions
// Delay slot goes after the test (in order)
current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i]));
- current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i]));
- if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]));
current.u|=1;
- current.uu|=1;
delayslot_alloc(¤t,i);
current.isconst=0;
}
else
{
current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i-1])|(1LL<<rs2[i-1]));
- current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i-1])|(1LL<<us2[i-1]));
// Alloc the branch condition registers
if(rs1[i-1]) alloc_reg(¤t,i-1,rs1[i-1]);
if(rs2[i-1]) alloc_reg(¤t,i-1,rs2[i-1]);
- if(!((current.is32>>rs1[i-1])&(current.is32>>rs2[i-1])&1))
- {
- if(rs1[i-1]) alloc_reg64(¤t,i-1,rs1[i-1]);
- if(rs2[i-1]) alloc_reg64(¤t,i-1,rs2[i-1]);
- }
}
memcpy(&branch_regs[i-1],¤t,sizeof(current));
branch_regs[i-1].isconst=0;
branch_regs[i-1].wasconst=0;
memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap));
- memcpy(constmap[i],constmap[i-1],sizeof(current.constmap));
+ memcpy(constmap[i],constmap[i-1],sizeof(current_constmap));
}
else
if((opcode[i-1]&0x3E)==6) // BLEZ/BGTZ
// The delay slot overwrote the branch condition
// Delay slot goes after the test (in order)
current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i]));
- current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i]));
- if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]));
current.u|=1;
- current.uu|=1;
delayslot_alloc(¤t,i);
current.isconst=0;
}
else
{
current.u=branch_unneeded_reg[i-1]&~(1LL<<rs1[i-1]);
- current.uu=branch_unneeded_reg_upper[i-1]&~(1LL<<us1[i-1]);
// Alloc the branch condition register
alloc_reg(¤t,i-1,rs1[i-1]);
- if(!(current.is32>>rs1[i-1]&1))
- {
- alloc_reg64(¤t,i-1,rs1[i-1]);
- }
}
memcpy(&branch_regs[i-1],¤t,sizeof(current));
branch_regs[i-1].isconst=0;
branch_regs[i-1].wasconst=0;
memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap));
- memcpy(constmap[i],constmap[i-1],sizeof(current.constmap));
+ memcpy(constmap[i],constmap[i-1],sizeof(current_constmap));
}
else
// Alloc the delay slot in case the branch is taken
{
memcpy(&branch_regs[i-1],¤t,sizeof(current));
branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1;
- alloc_cc(&branch_regs[i-1],i);
- dirty_reg(&branch_regs[i-1],CCREG);
- delayslot_alloc(&branch_regs[i-1],i);
- branch_regs[i-1].isconst=0;
- alloc_reg(¤t,i,CCREG); // Not taken path
- dirty_reg(¤t,CCREG);
- memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
- }
- else
- if((opcode[i-1]&0x3E)==0x16) // BLEZL/BGTZL
- {
- memcpy(&branch_regs[i-1],¤t,sizeof(current));
- branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1;
alloc_cc(&branch_regs[i-1],i);
dirty_reg(&branch_regs[i-1],CCREG);
delayslot_alloc(&branch_regs[i-1],i);
dirty_reg(¤t,CCREG);
memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
}
- break;
- case SJUMP:
- //if((opcode2[i-1]&0x1E)==0) // BLTZ/BGEZ
- if((opcode2[i-1]&0x0E)==0) // BLTZ/BGEZ
- {
- alloc_cc(¤t,i-1);
- dirty_reg(¤t,CCREG);
- if(rs1[i-1]==rt1[i]||rs1[i-1]==rt2[i]) {
- // The delay slot overwrote the branch condition
- // Delay slot goes after the test (in order)
- current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i]));
- current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i]));
- if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]));
- current.u|=1;
- current.uu|=1;
- delayslot_alloc(¤t,i);
- current.isconst=0;
- }
- else
- {
- current.u=branch_unneeded_reg[i-1]&~(1LL<<rs1[i-1]);
- current.uu=branch_unneeded_reg_upper[i-1]&~(1LL<<us1[i-1]);
- // Alloc the branch condition register
- alloc_reg(¤t,i-1,rs1[i-1]);
- if(!(current.is32>>rs1[i-1]&1))
- {
- alloc_reg64(¤t,i-1,rs1[i-1]);
- }
- }
- memcpy(&branch_regs[i-1],¤t,sizeof(current));
- branch_regs[i-1].isconst=0;
- branch_regs[i-1].wasconst=0;
- memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap));
- memcpy(constmap[i],constmap[i-1],sizeof(current.constmap));
- }
- else
- // Alloc the delay slot in case the branch is taken
- if((opcode2[i-1]&0x1E)==2) // BLTZL/BGEZL
+ else
+ if((opcode[i-1]&0x3E)==0x16) // BLEZL/BGTZL
{
memcpy(&branch_regs[i-1],¤t,sizeof(current));
branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1;
alloc_cc(&branch_regs[i-1],i);
dirty_reg(&branch_regs[i-1],CCREG);
delayslot_alloc(&branch_regs[i-1],i);
dirty_reg(¤t,CCREG);
memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
}
- // FIXME: BLTZAL/BGEZAL
- if(opcode2[i-1]&0x10) { // BxxZAL
- alloc_reg(&branch_regs[i-1],i-1,31);
- dirty_reg(&branch_regs[i-1],31);
- branch_regs[i-1].is32|=1LL<<31;
- }
break;
- case FJUMP:
- if(likely[i-1]==0) // BC1F/BC1T
+ case SJUMP:
+ //if((opcode2[i-1]&0x1E)==0) // BLTZ/BGEZ
+ if((opcode2[i-1]&0x0E)==0) // BLTZ/BGEZ
{
alloc_cc(¤t,i-1);
dirty_reg(¤t,CCREG);
- if(itype[i]==FCOMP) {
+ if(rs1[i-1]==rt1[i]||rs1[i-1]==rt2[i]) {
// The delay slot overwrote the branch condition
// Delay slot goes after the test (in order)
+ current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i]));
+ current.u|=1;
delayslot_alloc(¤t,i);
current.isconst=0;
}
else
{
current.u=branch_unneeded_reg[i-1]&~(1LL<<rs1[i-1]);
- current.uu=branch_unneeded_reg_upper[i-1]&~(1LL<<us1[i-1]);
// Alloc the branch condition register
- alloc_reg(¤t,i-1,FSREG);
+ alloc_reg(¤t,i-1,rs1[i-1]);
}
memcpy(&branch_regs[i-1],¤t,sizeof(current));
+ branch_regs[i-1].isconst=0;
+ branch_regs[i-1].wasconst=0;
memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap));
+ memcpy(constmap[i],constmap[i-1],sizeof(current_constmap));
}
- else // BC1FL/BC1TL
+ else
+ // Alloc the delay slot in case the branch is taken
+ if((opcode2[i-1]&0x1E)==2) // BLTZL/BGEZL
{
- // Alloc the delay slot in case the branch is taken
memcpy(&branch_regs[i-1],¤t,sizeof(current));
branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1;
- if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1;
alloc_cc(&branch_regs[i-1],i);
dirty_reg(&branch_regs[i-1],CCREG);
delayslot_alloc(&branch_regs[i-1],i);
dirty_reg(¤t,CCREG);
memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap));
}
+ // FIXME: BLTZAL/BGEZAL
+ if(opcode2[i-1]&0x10) { // BxxZAL
+ alloc_reg(&branch_regs[i-1],i-1,31);
+ dirty_reg(&branch_regs[i-1],31);
+ }
break;
}
if(rt1[i-1]==31) // JAL/JALR
{
// Subroutine call will return here, don't alloc any registers
- current.is32=1;
current.dirty=0;
clear_all_regs(current.regmap);
alloc_reg(¤t,i,CCREG);
else if(i+1<slen)
{
// Internal branch will jump here, match registers to caller
- current.is32=0x3FFFFFFFFLL;
current.dirty=0;
clear_all_regs(current.regmap);
alloc_reg(¤t,i,CCREG);
{
if(ba[j]==start+i*4+4) {
memcpy(current.regmap,branch_regs[j].regmap,sizeof(current.regmap));
- current.is32=branch_regs[j].is32;
current.dirty=branch_regs[j].dirty;
break;
}
if(current.regmap[hr]!=branch_regs[j].regmap[hr]) {
current.regmap[hr]=-1;
}
- current.is32&=branch_regs[j].is32;
current.dirty&=branch_regs[j].dirty;
}
}
// Count cycles in between branches
ccadj[i]=cc;
- if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP||itype[i]==SYSCALL||itype[i]==HLECALL))
+ if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i]==SYSCALL||itype[i]==HLECALL))
{
cc=0;
}
-#if defined(PCSX) && !defined(DRC_DBG)
+#if !defined(DRC_DBG)
else if(itype[i]==C2OP&>e_cycletab[source[i]&0x3f]>2)
{
// GTE runs in parallel until accessed, divide by 2 for a rough guess
cc+=gte_cycletab[source[i]&0x3f]/2;
}
- else if(/*itype[i]==LOAD||*/itype[i]==STORE||itype[i]==C1LS) // load causes weird timing issues
+ else if(/*itype[i]==LOAD||itype[i]==STORE||*/itype[i]==C1LS) // load,store causes weird timing issues
{
cc+=2; // 2 cycle penalty (after CLOCK_DIVIDER)
}
+ else if(i>1&&itype[i]==STORE&&itype[i-1]==STORE&&itype[i-2]==STORE&&!bt[i])
+ {
+ cc+=4;
+ }
else if(itype[i]==C2LS)
{
cc+=4;
cc++;
}
- flush_dirty_uppers(¤t);
if(!is_ds[i]) {
- regs[i].is32=current.is32;
regs[i].dirty=current.dirty;
regs[i].isconst=current.isconst;
- memcpy(constmap[i],current.constmap,sizeof(current.constmap));
+ memcpy(constmap[i],current_constmap,sizeof(current_constmap));
}
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG&®s[i].regmap[hr]>=0) {
if(current.regmap[HOST_BTREG]==BTREG) current.regmap[HOST_BTREG]=-1;
regs[i].waswritten=current.waswritten;
}
-
+
/* Pass 4 - Cull unused host registers */
-
+
uint64_t nr=0;
-
+
for (i=slen-1;i>=0;i--)
{
int hr;
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
if(ba[i]<start || ba[i]>=(start+slen*4))
{
if(rt1[i+1]&&rt1[i+1]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
if(rt2[i+1]&&rt2[i+1]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
}
- if(us1[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- if(us2[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
if(rs1[i+1]==regmap_pre[i][hr]) nr|=1<<hr;
if(rs2[i+1]==regmap_pre[i][hr]) nr|=1<<hr;
- if(us1[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- if(us2[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
if(rs1[i+1]==regs[i].regmap_entry[hr]) nr|=1<<hr;
if(rs2[i+1]==regs[i].regmap_entry[hr]) nr|=1<<hr;
- if(dep1[i+1]&&!((unneeded_reg_upper[i]>>dep1[i+1])&1)) {
- if(dep1[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- if(dep2[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- }
- if(dep2[i+1]&&!((unneeded_reg_upper[i]>>dep2[i+1])&1)) {
- if(dep1[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- if(dep2[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- }
if(itype[i+1]==STORE || itype[i+1]==STORELR || (opcode[i+1]&0x3b)==0x39 || (opcode[i+1]&0x3b)==0x3a) {
if(regmap_pre[i][hr]==INVCP) nr|=1<<hr;
if(regs[i].regmap_entry[hr]==INVCP) nr|=1<<hr;
if(rt2[i]&&rt2[i]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
if(FTEMP==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
// Source registers are needed
- if(us1[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- if(us2[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
if(rs1[i]==regmap_pre[i][hr]) nr|=1<<hr;
if(rs2[i]==regmap_pre[i][hr]) nr|=1<<hr;
- if(us1[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- if(us2[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
if(rs1[i]==regs[i].regmap_entry[hr]) nr|=1<<hr;
if(rs2[i]==regs[i].regmap_entry[hr]) nr|=1<<hr;
- if(dep1[i]&&!((unneeded_reg_upper[i]>>dep1[i])&1)) {
- if(dep1[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- if(dep1[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- }
- if(dep2[i]&&!((unneeded_reg_upper[i]>>dep2[i])&1)) {
- if(dep2[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- if(dep2[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- }
if(itype[i]==STORE || itype[i]==STORELR || (opcode[i]&0x3b)==0x39 || (opcode[i]&0x3b)==0x3a) {
if(regmap_pre[i][hr]==INVCP) nr|=1<<hr;
if(regs[i].regmap_entry[hr]==INVCP) nr|=1<<hr;
// But do so if this is a branch target, otherwise we
// might have to load the register before the branch.
if(i>0&&!bt[i]&&((regs[i].wasdirty>>hr)&1)) {
- if((regmap_pre[i][hr]>0&®map_pre[i][hr]<64&&!((unneeded_reg[i]>>regmap_pre[i][hr])&1)) ||
- (regmap_pre[i][hr]>64&&!((unneeded_reg_upper[i]>>(regmap_pre[i][hr]&63))&1)) ) {
+ if((regmap_pre[i][hr]>0&&!((unneeded_reg[i]>>regmap_pre[i][hr])&1))) {
if(rt1[i-1]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
if(rt2[i-1]==(regmap_pre[i][hr]&63)) nr|=1<<hr;
}
- if((regs[i].regmap_entry[hr]>0&®s[i].regmap_entry[hr]<64&&!((unneeded_reg[i]>>regs[i].regmap_entry[hr])&1)) ||
- (regs[i].regmap_entry[hr]>64&&!((unneeded_reg_upper[i]>>(regs[i].regmap_entry[hr]&63))&1)) ) {
+ if((regs[i].regmap_entry[hr]>0&&!((unneeded_reg[i]>>regs[i].regmap_entry[hr])&1))) {
if(rt1[i-1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
if(rt2[i-1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
}
}
}
// Cycle count is needed at branches. Assume it is needed at the target too.
- if(i==0||bt[i]||itype[i]==CJUMP||itype[i]==FJUMP||itype[i]==SPAN) {
+ if(i==0||bt[i]||itype[i]==CJUMP||itype[i]==SPAN) {
if(regmap_pre[i][HOST_CCREG]==CCREG) nr|=1<<HOST_CCREG;
if(regs[i].regmap_entry[HOST_CCREG]==CCREG) nr|=1<<HOST_CCREG;
}
// Save it
needed_reg[i]=nr;
-
+
// Deallocate unneeded registers
for(hr=0;hr<HOST_REGS;hr++)
{
}
}
}
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
- int d1=0,d2=0,map=0,temp=0;
- if(get_reg(regs[i].regmap,rt1[i+1]|64)>=0||get_reg(branch_regs[i].regmap,rt1[i+1]|64)>=0)
- {
- d1=dep1[i+1];
- d2=dep2[i+1];
- }
- if(using_tlb) {
- if(itype[i+1]==LOAD || itype[i+1]==LOADLR ||
- itype[i+1]==STORE || itype[i+1]==STORELR ||
- itype[i+1]==C1LS || itype[i+1]==C2LS)
- map=TLREG;
- } else
+ int map=0,temp=0;
if(itype[i+1]==STORE || itype[i+1]==STORELR ||
(opcode[i+1]&0x3b)==0x39 || (opcode[i+1]&0x3b)==0x3a) { // SWC1/SDC1 || SWC2/SDC2
map=INVCP;
if((regs[i].regmap[hr]&63)!=rs1[i] && (regs[i].regmap[hr]&63)!=rs2[i] &&
(regs[i].regmap[hr]&63)!=rt1[i] && (regs[i].regmap[hr]&63)!=rt2[i] &&
(regs[i].regmap[hr]&63)!=rt1[i+1] && (regs[i].regmap[hr]&63)!=rt2[i+1] &&
- (regs[i].regmap[hr]^64)!=us1[i+1] && (regs[i].regmap[hr]^64)!=us2[i+1] &&
- (regs[i].regmap[hr]^64)!=d1 && (regs[i].regmap[hr]^64)!=d2 &&
regs[i].regmap[hr]!=rs1[i+1] && regs[i].regmap[hr]!=rs2[i+1] &&
(regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=PTEMP &&
regs[i].regmap[hr]!=RHASH && regs[i].regmap[hr]!=RHTBL &&
if((branch_regs[i].regmap[hr]&63)!=rs1[i] && (branch_regs[i].regmap[hr]&63)!=rs2[i] &&
(branch_regs[i].regmap[hr]&63)!=rt1[i] && (branch_regs[i].regmap[hr]&63)!=rt2[i] &&
(branch_regs[i].regmap[hr]&63)!=rt1[i+1] && (branch_regs[i].regmap[hr]&63)!=rt2[i+1] &&
- (branch_regs[i].regmap[hr]^64)!=us1[i+1] && (branch_regs[i].regmap[hr]^64)!=us2[i+1] &&
- (branch_regs[i].regmap[hr]^64)!=d1 && (branch_regs[i].regmap[hr]^64)!=d2 &&
branch_regs[i].regmap[hr]!=rs1[i+1] && branch_regs[i].regmap[hr]!=rs2[i+1] &&
(branch_regs[i].regmap[hr]&63)!=temp && branch_regs[i].regmap[hr]!=PTEMP &&
branch_regs[i].regmap[hr]!=RHASH && branch_regs[i].regmap[hr]!=RHTBL &&
// Non-branch
if(i>0)
{
- int d1=0,d2=0,map=-1,temp=-1;
- if(get_reg(regs[i].regmap,rt1[i]|64)>=0)
- {
- d1=dep1[i];
- d2=dep2[i];
- }
- if(using_tlb) {
- if(itype[i]==LOAD || itype[i]==LOADLR ||
- itype[i]==STORE || itype[i]==STORELR ||
- itype[i]==C1LS || itype[i]==C2LS)
- map=TLREG;
- } else if(itype[i]==STORE || itype[i]==STORELR ||
+ int map=-1,temp=-1;
+ if(itype[i]==STORE || itype[i]==STORELR ||
(opcode[i]&0x3b)==0x39 || (opcode[i]&0x3b)==0x3a) { // SWC1/SDC1 || SWC2/SDC2
map=INVCP;
}
itype[i]==C1LS || itype[i]==C2LS)
temp=FTEMP;
if((regs[i].regmap[hr]&63)!=rt1[i] && (regs[i].regmap[hr]&63)!=rt2[i] &&
- (regs[i].regmap[hr]^64)!=us1[i] && (regs[i].regmap[hr]^64)!=us2[i] &&
- (regs[i].regmap[hr]^64)!=d1 && (regs[i].regmap[hr]^64)!=d2 &&
regs[i].regmap[hr]!=rs1[i] && regs[i].regmap[hr]!=rs2[i] &&
(regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=map &&
(itype[i]!=SPAN||regs[i].regmap[hr]!=CCREG))
{
if(i<slen-1&&!is_ds[i]) {
- if(regmap_pre[i+1][hr]!=-1 || regs[i].regmap[hr]!=-1)
+ assert(regs[i].regmap[hr]<64);
+ if(regmap_pre[i+1][hr]!=-1 || regs[i].regmap[hr]>0)
if(regmap_pre[i+1][hr]!=regs[i].regmap[hr])
- if(regs[i].regmap[hr]<64||!((regs[i].was32>>(regs[i].regmap[hr]&63))&1))
{
- printf("fail: %x (%d %d!=%d)\n",start+i*4,hr,regmap_pre[i+1][hr],regs[i].regmap[hr]);
+ SysPrintf("fail: %x (%d %d!=%d)\n",start+i*4,hr,regmap_pre[i+1][hr],regs[i].regmap[hr]);
assert(regmap_pre[i+1][hr]==regs[i].regmap[hr]);
}
regmap_pre[i+1][hr]=-1;
}
}
}
- }
- }
+ } // if needed
+ } // for hr
}
-
+
/* Pass 5 - Pre-allocate registers */
-
+
// If a register is allocated during a loop, try to allocate it for the
// entire loop, if possible. This avoids loading/storing registers
// inside of the loop.
-
+
signed char f_regmap[HOST_REGS];
clear_all_regs(f_regmap);
for(i=0;i<slen-1;i++)
{
- if(itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
- if(ba[i]>=start && ba[i]<(start+i*4))
+ if(ba[i]>=start && ba[i]<(start+i*4))
if(itype[i+1]==NOP||itype[i+1]==MOV||itype[i+1]==ALU
||itype[i+1]==SHIFTIMM||itype[i+1]==IMM16||itype[i+1]==LOAD
||itype[i+1]==STORE||itype[i+1]==STORELR||itype[i+1]==C1LS
- ||itype[i+1]==SHIFT||itype[i+1]==COP1||itype[i+1]==FLOAT
- ||itype[i+1]==FCOMP||itype[i+1]==FCONV
+ ||itype[i+1]==SHIFT||itype[i+1]==COP1
||itype[i+1]==COP2||itype[i+1]==C2LS||itype[i+1]==C2OP)
{
int t=(ba[i]-start)>>2;
- if(t>0&&(itype[t-1]!=UJUMP&&itype[t-1]!=RJUMP&&itype[t-1]!=CJUMP&&itype[t-1]!=SJUMP&&itype[t-1]!=FJUMP)) // loop_preload can't handle jumps into delay slots
+ if(t>0&&(itype[t-1]!=UJUMP&&itype[t-1]!=RJUMP&&itype[t-1]!=CJUMP&&itype[t-1]!=SJUMP)) // loop_preload can't handle jumps into delay slots
if(t<2||(itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||rt1[t-2]!=31) // call/ret assumes no registers allocated
for(hr=0;hr<HOST_REGS;hr++)
{
- if(regs[i].regmap[hr]>64) {
- if(!((regs[i].dirty>>hr)&1))
- f_regmap[hr]=regs[i].regmap[hr];
- else f_regmap[hr]=-1;
- }
- else if(regs[i].regmap[hr]>=0) {
+ if(regs[i].regmap[hr]>=0) {
if(f_regmap[hr]!=regs[i].regmap[hr]) {
// dealloc old register
int n;
f_regmap[hr]=regs[i].regmap[hr];
}
}
- if(branch_regs[i].regmap[hr]>64) {
- if(!((branch_regs[i].dirty>>hr)&1))
- f_regmap[hr]=branch_regs[i].regmap[hr];
- else f_regmap[hr]=-1;
- }
- else if(branch_regs[i].regmap[hr]>=0) {
+ if(branch_regs[i].regmap[hr]>=0) {
if(f_regmap[hr]!=branch_regs[i].regmap[hr]) {
// dealloc old register
int n;
}
}
if(ooo[i]) {
- if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i+1])
+ if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i+1])
f_regmap[hr]=branch_regs[i].regmap[hr];
}else{
- if(count_free_regs(branch_regs[i].regmap)<=minimum_free_regs[i+1])
+ if(count_free_regs(branch_regs[i].regmap)<=minimum_free_regs[i+1])
f_regmap[hr]=branch_regs[i].regmap[hr];
}
// Avoid dirty->clean transition
{
//printf("Test %x -> %x, %x %d/%d\n",start+i*4,ba[i],start+j*4,hr,r);
if(r<34&&((unneeded_reg[j]>>r)&1)) break;
- if(r>63&&((unneeded_reg_upper[j]>>(r&63))&1)) break;
- if(r>63) {
- // NB This can exclude the case where the upper-half
- // register is lower numbered than the lower-half
- // register. Not sure if it's worth fixing...
- if(get_reg(regs[j].regmap,r&63)<0) break;
- if(get_reg(regs[j].regmap_entry,r&63)<0) break;
- if(regs[j].is32&(1LL<<(r&63))) break;
- }
+ assert(r < 64);
if(regs[j].regmap[hr]==f_regmap[hr]&&(f_regmap[hr]&63)<TEMPREG) {
//printf("Hit %x -> %x, %x %d/%d\n",start+i*4,ba[i],start+j*4,hr,r);
int k;
//printf("no-match due to different register\n");
break;
}
- if(itype[k-2]==UJUMP||itype[k-2]==RJUMP||itype[k-2]==CJUMP||itype[k-2]==SJUMP||itype[k-2]==FJUMP) {
+ if(itype[k-2]==UJUMP||itype[k-2]==RJUMP||itype[k-2]==CJUMP||itype[k-2]==SJUMP) {
//printf("no-match due to branch\n");
break;
}
if(k>2&&(itype[k-3]==UJUMP||itype[k-3]==RJUMP)&&rt1[k-3]==31) {
break;
}
- if(r>63) {
- // NB This can exclude the case where the upper-half
- // register is lower numbered than the lower-half
- // register. Not sure if it's worth fixing...
- if(get_reg(regs[k-1].regmap,r&63)<0) break;
- if(regs[k-1].is32&(1LL<<(r&63))) break;
- }
+ assert(r < 64);
k--;
}
- if(i<slen-1) {
- if((regs[k].is32&(1LL<<f_regmap[hr]))!=
- (regs[i+2].was32&(1LL<<f_regmap[hr]))) {
- //printf("bad match after branch\n");
- break;
- }
- }
if(regs[k-1].regmap[hr]==f_regmap[hr]&®map_pre[k][hr]==f_regmap[hr]) {
//printf("Extend r%d, %x ->\n",hr,start+k*4);
while(k<i) {
regmap_pre[i+2][hr]=f_regmap[hr];
regs[i+2].wasdirty&=~(1<<hr);
regs[i+2].wasdirty|=(1<<hr)®s[i].dirty;
- assert((branch_regs[i].is32&(1LL<<f_regmap[hr]))==
- (regs[i+2].was32&(1LL<<f_regmap[hr])));
}
}
}
regs[k].dirty&=~(1<<hr);
regs[k].wasconst&=~(1<<hr);
regs[k].isconst&=~(1<<hr);
- if(itype[k]==UJUMP||itype[k]==RJUMP||itype[k]==CJUMP||itype[k]==SJUMP||itype[k]==FJUMP) {
+ if(itype[k]==UJUMP||itype[k]==RJUMP||itype[k]==CJUMP||itype[k]==SJUMP) {
branch_regs[k].regmap_entry[hr]=f_regmap[hr];
branch_regs[k].regmap[hr]=f_regmap[hr];
branch_regs[k].dirty&=~(1<<hr);
if(itype[k]!=RJUMP&&itype[k]!=UJUMP&&(source[k]>>16)!=0x1000) {
regmap_pre[k+2][hr]=f_regmap[hr];
regs[k+2].wasdirty&=~(1<<hr);
- assert((branch_regs[k].is32&(1LL<<f_regmap[hr]))==
- (regs[k+2].was32&(1LL<<f_regmap[hr])));
}
}
else
//printf("no-match due to different register\n");
break;
}
- if((regs[j+1].is32&(1LL<<f_regmap[hr]))!=(regs[j].is32&(1LL<<f_regmap[hr]))) {
- //printf("32/64 mismatch %x %d\n",start+j*4,hr);
- break;
- }
if(itype[j]==UJUMP||itype[j]==RJUMP||(source[j]>>16)==0x1000)
{
// Stop on unconditional branch
break;
}
- if(itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP)
+ if(itype[j]==CJUMP||itype[j]==SJUMP)
{
if(ooo[j]) {
- if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j+1])
+ if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j+1])
break;
}else{
- if(count_free_regs(branch_regs[j].regmap)<=minimum_free_regs[j+1])
+ if(count_free_regs(branch_regs[j].regmap)<=minimum_free_regs[j+1])
break;
}
if(get_reg(branch_regs[j].regmap,f_regmap[hr])>=0) {
//printf("No free regs for store %x\n",start+j*4);
break;
}
- if(f_regmap[hr]>=64) {
- if(regs[j].is32&(1LL<<(f_regmap[hr]&63))) {
- break;
- }
- else
- {
- if(get_reg(regs[j].regmap,f_regmap[hr]&63)<0) {
- break;
- }
- }
- }
+ assert(f_regmap[hr]<64);
}
}
}
for(hr=0;hr<HOST_REGS;hr++)
{
if(hr!=EXCLUDE_REG) {
- if(regs[i].regmap[hr]>64) {
- if(!((regs[i].dirty>>hr)&1))
- f_regmap[hr]=regs[i].regmap[hr];
- }
- else if(regs[i].regmap[hr]>=0) {
+ if(regs[i].regmap[hr]>=0) {
if(f_regmap[hr]!=regs[i].regmap[hr]) {
// dealloc old register
int n;
regs[k].isconst&=~(1<<HOST_CCREG);
k++;
}
- regs[j].regmap_entry[HOST_CCREG]=CCREG;
+ regs[j].regmap_entry[HOST_CCREG]=CCREG;
}
// Work backwards from the branch target
if(j>i&&f_regmap[HOST_CCREG]==CCREG)
}
if(itype[i]!=STORE&&itype[i]!=STORELR&&itype[i]!=C1LS&&itype[i]!=SHIFT&&
itype[i]!=NOP&&itype[i]!=MOV&&itype[i]!=ALU&&itype[i]!=SHIFTIMM&&
- itype[i]!=IMM16&&itype[i]!=LOAD&&itype[i]!=COP1&&itype[i]!=FLOAT&&
- itype[i]!=FCONV&&itype[i]!=FCOMP)
+ itype[i]!=IMM16&&itype[i]!=LOAD&&itype[i]!=COP1)
{
memcpy(f_regmap,regs[i].regmap,sizeof(f_regmap));
}
}
}
-
- // Cache memory offset or tlb map pointer if a register is available
- #ifndef HOST_IMM_ADDR32
- #ifndef RAM_OFFSET
- if(using_tlb)
- #endif
- {
- int earliest_available[HOST_REGS];
- int loop_start[HOST_REGS];
- int score[HOST_REGS];
- int end[HOST_REGS];
- int reg=using_tlb?MMREG:ROREG;
- // Init
- for(hr=0;hr<HOST_REGS;hr++) {
- score[hr]=0;earliest_available[hr]=0;
- loop_start[hr]=MAXBLOCK;
- }
- for(i=0;i<slen-1;i++)
- {
- // Can't do anything if no registers are available
- if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i]) {
- for(hr=0;hr<HOST_REGS;hr++) {
- score[hr]=0;earliest_available[hr]=i+1;
- loop_start[hr]=MAXBLOCK;
- }
- }
- if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) {
- if(!ooo[i]) {
- if(count_free_regs(branch_regs[i].regmap)<=minimum_free_regs[i+1]) {
- for(hr=0;hr<HOST_REGS;hr++) {
- score[hr]=0;earliest_available[hr]=i+1;
- loop_start[hr]=MAXBLOCK;
- }
- }
- }else{
- if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i+1]) {
- for(hr=0;hr<HOST_REGS;hr++) {
- score[hr]=0;earliest_available[hr]=i+1;
- loop_start[hr]=MAXBLOCK;
- }
- }
- }
- }
- // Mark unavailable registers
- for(hr=0;hr<HOST_REGS;hr++) {
- if(regs[i].regmap[hr]>=0) {
- score[hr]=0;earliest_available[hr]=i+1;
- loop_start[hr]=MAXBLOCK;
- }
- if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) {
- if(branch_regs[i].regmap[hr]>=0) {
- score[hr]=0;earliest_available[hr]=i+2;
- loop_start[hr]=MAXBLOCK;
- }
- }
- }
- // No register allocations after unconditional jumps
- if(itype[i]==UJUMP||itype[i]==RJUMP||(source[i]>>16)==0x1000)
- {
- for(hr=0;hr<HOST_REGS;hr++) {
- score[hr]=0;earliest_available[hr]=i+2;
- loop_start[hr]=MAXBLOCK;
- }
- i++; // Skip delay slot too
- //printf("skip delay slot: %x\n",start+i*4);
- }
- else
- // Possible match
- if(itype[i]==LOAD||itype[i]==LOADLR||
- itype[i]==STORE||itype[i]==STORELR||itype[i]==C1LS) {
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG) {
- end[hr]=i-1;
- for(j=i;j<slen-1;j++) {
- if(regs[j].regmap[hr]>=0) break;
- if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) {
- if(branch_regs[j].regmap[hr]>=0) break;
- if(ooo[j]) {
- if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j+1]) break;
- }else{
- if(count_free_regs(branch_regs[j].regmap)<=minimum_free_regs[j+1]) break;
- }
- }
- else if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j]) break;
- if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) {
- int t=(ba[j]-start)>>2;
- if(t<j&&t>=earliest_available[hr]) {
- if(t==1||(t>1&&itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||(t>1&&rt1[t-2]!=31)) { // call/ret assumes no registers allocated
- // Score a point for hoisting loop invariant
- if(t<loop_start[hr]) loop_start[hr]=t;
- //printf("set loop_start: i=%x j=%x (%x)\n",start+i*4,start+j*4,start+t*4);
- score[hr]++;
- end[hr]=j;
- }
- }
- else if(t<j) {
- if(regs[t].regmap[hr]==reg) {
- // Score a point if the branch target matches this register
- score[hr]++;
- end[hr]=j;
- }
- }
- if(itype[j+1]==LOAD||itype[j+1]==LOADLR||
- itype[j+1]==STORE||itype[j+1]==STORELR||itype[j+1]==C1LS) {
- score[hr]++;
- end[hr]=j;
- }
- }
- if(itype[j]==UJUMP||itype[j]==RJUMP||(source[j]>>16)==0x1000)
- {
- // Stop on unconditional branch
- break;
- }
- else
- if(itype[j]==LOAD||itype[j]==LOADLR||
- itype[j]==STORE||itype[j]==STORELR||itype[j]==C1LS) {
- score[hr]++;
- end[hr]=j;
- }
- }
- }
- }
- // Find highest score and allocate that register
- int maxscore=0;
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG) {
- if(score[hr]>score[maxscore]) {
- maxscore=hr;
- //printf("highest score: %d %d (%x->%x)\n",score[hr],hr,start+i*4,start+end[hr]*4);
- }
- }
- }
- if(score[maxscore]>1)
- {
- if(i<loop_start[maxscore]) loop_start[maxscore]=i;
- for(j=loop_start[maxscore];j<slen&&j<=end[maxscore];j++) {
- //if(regs[j].regmap[maxscore]>=0) {printf("oops: %x %x was %d=%d\n",loop_start[maxscore]*4+start,j*4+start,maxscore,regs[j].regmap[maxscore]);}
- assert(regs[j].regmap[maxscore]<0);
- if(j>loop_start[maxscore]) regs[j].regmap_entry[maxscore]=reg;
- regs[j].regmap[maxscore]=reg;
- regs[j].dirty&=~(1<<maxscore);
- regs[j].wasconst&=~(1<<maxscore);
- regs[j].isconst&=~(1<<maxscore);
- if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) {
- branch_regs[j].regmap[maxscore]=reg;
- branch_regs[j].wasdirty&=~(1<<maxscore);
- branch_regs[j].dirty&=~(1<<maxscore);
- branch_regs[j].wasconst&=~(1<<maxscore);
- branch_regs[j].isconst&=~(1<<maxscore);
- if(itype[j]!=RJUMP&&itype[j]!=UJUMP&&(source[j]>>16)!=0x1000) {
- regmap_pre[j+2][maxscore]=reg;
- regs[j+2].wasdirty&=~(1<<maxscore);
- }
- // loop optimization (loop_preload)
- int t=(ba[j]-start)>>2;
- if(t==loop_start[maxscore]) {
- if(t==1||(t>1&&itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||(t>1&&rt1[t-2]!=31)) // call/ret assumes no registers allocated
- regs[t].regmap_entry[maxscore]=reg;
- }
- }
- else
- {
- if(j<1||(itype[j-1]!=RJUMP&&itype[j-1]!=UJUMP&&itype[j-1]!=CJUMP&&itype[j-1]!=SJUMP&&itype[j-1]!=FJUMP)) {
- regmap_pre[j+1][maxscore]=reg;
- regs[j+1].wasdirty&=~(1<<maxscore);
- }
- }
- }
- i=j-1;
- if(itype[j-1]==RJUMP||itype[j-1]==UJUMP||itype[j-1]==CJUMP||itype[j-1]==SJUMP||itype[j-1]==FJUMP) i++; // skip delay slot
- for(hr=0;hr<HOST_REGS;hr++) {
- score[hr]=0;earliest_available[hr]=i+i;
- loop_start[hr]=MAXBLOCK;
- }
- }
- }
- }
- }
- #endif
-
// This allocates registers (if possible) one instruction prior
// to use, which can avoid a load-use penalty on certain CPUs.
for(i=0;i<slen-1;i++)
{
- if(!i||(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP))
+ if(!i||(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP))
{
if(!bt[i+1])
{
}
}
}
- // Load source into target register
+ // Load source into target register
if(lt1[i+1]&&get_reg(regs[i+1].regmap,rs1[i+1])<0) {
if((hr=get_reg(regs[i+1].regmap,rt1[i+1]))>=0)
{
}
}
}
- // Preload map address
- #ifndef HOST_IMM_ADDR32
- if(itype[i+1]==LOAD||itype[i+1]==LOADLR||itype[i+1]==STORE||itype[i+1]==STORELR||itype[i+1]==C1LS||itype[i+1]==C2LS) {
- hr=get_reg(regs[i+1].regmap,TLREG);
- if(hr>=0) {
- int sr=get_reg(regs[i+1].regmap,rs1[i+1]);
- if(sr>=0&&((regs[i+1].wasconst>>sr)&1)) {
- int nr;
- if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0)
- {
- regs[i].regmap[hr]=MGEN1+((i+1)&1);
- regmap_pre[i+1][hr]=MGEN1+((i+1)&1);
- regs[i+1].regmap_entry[hr]=MGEN1+((i+1)&1);
- regs[i].isconst&=~(1<<hr);
- regs[i].isconst|=regs[i+1].isconst&(1<<hr);
- constmap[i][hr]=constmap[i+1][hr];
- regs[i+1].wasdirty&=~(1<<hr);
- regs[i].dirty&=~(1<<hr);
- }
- else if((nr=get_reg2(regs[i].regmap,regs[i+1].regmap,-1))>=0)
- {
- // move it to another register
- regs[i+1].regmap[hr]=-1;
- regmap_pre[i+2][hr]=-1;
- regs[i+1].regmap[nr]=TLREG;
- regmap_pre[i+2][nr]=TLREG;
- regs[i].regmap[nr]=MGEN1+((i+1)&1);
- regmap_pre[i+1][nr]=MGEN1+((i+1)&1);
- regs[i+1].regmap_entry[nr]=MGEN1+((i+1)&1);
- regs[i].isconst&=~(1<<nr);
- regs[i+1].isconst&=~(1<<nr);
- regs[i].dirty&=~(1<<nr);
- regs[i+1].wasdirty&=~(1<<nr);
- regs[i+1].dirty&=~(1<<nr);
- regs[i+2].wasdirty&=~(1<<nr);
- }
- }
- }
- }
- #endif
// Address for store instruction (non-constant)
if(itype[i+1]==STORE||itype[i+1]==STORELR
||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a) { // SB/SH/SW/SD/SWC1/SDC1/SWC2/SDC2
}
}
if(itype[i+1]==LOAD||itype[i+1]==LOADLR||itype[i+1]==STORE||itype[i+1]==STORELR/*||itype[i+1]==C1LS||||itype[i+1]==C2LS*/) {
- if(itype[i+1]==LOAD)
+ if(itype[i+1]==LOAD)
hr=get_reg(regs[i+1].regmap,rt1[i+1]);
if(itype[i+1]==LOADLR||(opcode[i+1]&0x3b)==0x31||(opcode[i+1]&0x3b)==0x32) // LWC1/LDC1, LWC2/LDC2
hr=get_reg(regs[i+1].regmap,FTEMP);
}
}
}
-
+
/* Pass 6 - Optimize clean/dirty state */
clean_registers(0,slen-1,1);
-
- /* Pass 7 - Identify 32-bit registers */
-#ifndef FORCE32
- provisional_r32();
- u_int r32=0;
-
- for (i=slen-1;i>=0;i--)
- {
- int hr;
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
- {
- if(ba[i]<start || ba[i]>=(start+slen*4))
- {
- // Branch out of this block, don't need anything
- r32=0;
- }
- else
- {
- // Internal branch
- // Need whatever matches the target
- // (and doesn't get overwritten by the delay slot instruction)
- r32=0;
- int t=(ba[i]-start)>>2;
- if(ba[i]>start+i*4) {
- // Forward branch
- if(!(requires_32bit[t]&~regs[i].was32))
- r32|=requires_32bit[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1]));
- }else{
- // Backward branch
- //if(!(regs[t].was32&~unneeded_reg_upper[t]&~regs[i].was32))
- // r32|=regs[t].was32&~unneeded_reg_upper[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1]));
- if(!(pr32[t]&~regs[i].was32))
- r32|=pr32[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1]));
- }
- }
- // Conditional branch may need registers for following instructions
- if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000)
- {
- if(i<slen-2) {
- r32|=requires_32bit[i+2];
- r32&=regs[i].was32;
- // Mark this address as a branch target since it may be called
- // upon return from interrupt
- bt[i+2]=1;
- }
- }
- // Merge in delay slot
- if(!likely[i]) {
- // These are overwritten unless the branch is "likely"
- // and the delay slot is nullified if not taken
- r32&=~(1LL<<rt1[i+1]);
- r32&=~(1LL<<rt2[i+1]);
- }
- // Assume these are needed (delay slot)
- if(us1[i+1]>0)
- {
- if((regs[i].was32>>us1[i+1])&1) r32|=1LL<<us1[i+1];
- }
- if(us2[i+1]>0)
- {
- if((regs[i].was32>>us2[i+1])&1) r32|=1LL<<us2[i+1];
- }
- if(dep1[i+1]&&!((unneeded_reg_upper[i]>>dep1[i+1])&1))
- {
- if((regs[i].was32>>dep1[i+1])&1) r32|=1LL<<dep1[i+1];
- }
- if(dep2[i+1]&&!((unneeded_reg_upper[i]>>dep2[i+1])&1))
- {
- if((regs[i].was32>>dep2[i+1])&1) r32|=1LL<<dep2[i+1];
- }
- }
- else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL)
- {
- // SYSCALL instruction (software interrupt)
- r32=0;
- }
- else if(itype[i]==COP0 && (source[i]&0x3f)==0x18)
- {
- // ERET instruction (return from interrupt)
- r32=0;
- }
- // Check 32 bits
- r32&=~(1LL<<rt1[i]);
- r32&=~(1LL<<rt2[i]);
- if(us1[i]>0)
- {
- if((regs[i].was32>>us1[i])&1) r32|=1LL<<us1[i];
- }
- if(us2[i]>0)
- {
- if((regs[i].was32>>us2[i])&1) r32|=1LL<<us2[i];
- }
- if(dep1[i]&&!((unneeded_reg_upper[i]>>dep1[i])&1))
- {
- if((regs[i].was32>>dep1[i])&1) r32|=1LL<<dep1[i];
- }
- if(dep2[i]&&!((unneeded_reg_upper[i]>>dep2[i])&1))
- {
- if((regs[i].was32>>dep2[i])&1) r32|=1LL<<dep2[i];
- }
- requires_32bit[i]=r32;
-
- // Dirty registers which are 32-bit, require 32-bit input
- // as they will be written as 32-bit values
- for(hr=0;hr<HOST_REGS;hr++)
- {
- if(regs[i].regmap_entry[hr]>0&®s[i].regmap_entry[hr]<64) {
- if((regs[i].was32>>regs[i].regmap_entry[hr])&(regs[i].wasdirty>>hr)&1) {
- if(!((unneeded_reg_upper[i]>>regs[i].regmap_entry[hr])&1))
- requires_32bit[i]|=1LL<<regs[i].regmap_entry[hr];
- }
- }
- }
- //requires_32bit[i]=is32[i]&~unneeded_reg_upper[i]; // DEBUG
- }
-#else
+ /* Pass 7 - Identify 32-bit registers */
for (i=slen-1;i>=0;i--)
{
- if(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ if(itype[i]==CJUMP||itype[i]==SJUMP)
{
// Conditional branch
if((source[i]>>16)!=0x1000&&i<slen-2) {
}
}
}
-#endif
if(itype[slen-1]==SPAN) {
bt[slen-1]=1; // Mark as a branch target so instruction can restart after exception
else printf(" r%d",r);
}
}
-#ifndef FORCE32
- printf(" UU:");
- for(r=1;r<=CCREG;r++) {
- if(((unneeded_reg_upper[i]&~unneeded_reg[i])>>r)&1) {
- if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- printf(" 32:");
- for(r=0;r<=CCREG;r++) {
- //if(((is32[i]>>r)&(~unneeded_reg[i]>>r))&1) {
- if((regs[i].was32>>r)&1) {
- if(r==CCREG) printf(" CC");
- else if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
-#endif
printf("\n");
#if defined(__i386__) || defined(__x86_64__)
printf("pre: eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",regmap_pre[i][0],regmap_pre[i][1],regmap_pre[i][2],regmap_pre[i][3],regmap_pre[i][5],regmap_pre[i][6],regmap_pre[i][7]);
#ifdef __arm__
printf("pre: r0=%d r1=%d r2=%d r3=%d r4=%d r5=%d r6=%d r7=%d r8=%d r9=%d r10=%d r12=%d\n",regmap_pre[i][0],regmap_pre[i][1],regmap_pre[i][2],regmap_pre[i][3],regmap_pre[i][4],regmap_pre[i][5],regmap_pre[i][6],regmap_pre[i][7],regmap_pre[i][8],regmap_pre[i][9],regmap_pre[i][10],regmap_pre[i][12]);
#endif
+ #if defined(__i386__) || defined(__x86_64__)
printf("needs: ");
if(needed_reg[i]&1) printf("eax ");
if((needed_reg[i]>>1)&1) printf("ecx ");
if((needed_reg[i]>>5)&1) printf("ebp ");
if((needed_reg[i]>>6)&1) printf("esi ");
if((needed_reg[i]>>7)&1) printf("edi ");
- printf("r:");
- for(r=0;r<=CCREG;r++) {
- //if(((requires_32bit[i]>>r)&(~unneeded_reg[i]>>r))&1) {
- if((requires_32bit[i]>>r)&1) {
- if(r==CCREG) printf(" CC");
- else if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
printf("\n");
- /*printf("pr:");
- for(r=0;r<=CCREG;r++) {
- //if(((requires_32bit[i]>>r)&(~unneeded_reg[i]>>r))&1) {
- if((pr32[i]>>r)&1) {
- if(r==CCREG) printf(" CC");
- else if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- if(pr32[i]!=requires_32bit[i]) printf(" OOPS");
- printf("\n");*/
- #if defined(__i386__) || defined(__x86_64__)
printf("entry: eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",regs[i].regmap_entry[0],regs[i].regmap_entry[1],regs[i].regmap_entry[2],regs[i].regmap_entry[3],regs[i].regmap_entry[5],regs[i].regmap_entry[6],regs[i].regmap_entry[7]);
printf("dirty: ");
if(regs[i].wasdirty&1) printf("eax ");
if(regs[i].isconst) {
printf("constants: ");
#if defined(__i386__) || defined(__x86_64__)
- if(regs[i].isconst&1) printf("eax=%x ",(int)constmap[i][0]);
- if((regs[i].isconst>>1)&1) printf("ecx=%x ",(int)constmap[i][1]);
- if((regs[i].isconst>>2)&1) printf("edx=%x ",(int)constmap[i][2]);
- if((regs[i].isconst>>3)&1) printf("ebx=%x ",(int)constmap[i][3]);
- if((regs[i].isconst>>5)&1) printf("ebp=%x ",(int)constmap[i][5]);
- if((regs[i].isconst>>6)&1) printf("esi=%x ",(int)constmap[i][6]);
- if((regs[i].isconst>>7)&1) printf("edi=%x ",(int)constmap[i][7]);
+ if(regs[i].isconst&1) printf("eax=%x ",(u_int)constmap[i][0]);
+ if((regs[i].isconst>>1)&1) printf("ecx=%x ",(u_int)constmap[i][1]);
+ if((regs[i].isconst>>2)&1) printf("edx=%x ",(u_int)constmap[i][2]);
+ if((regs[i].isconst>>3)&1) printf("ebx=%x ",(u_int)constmap[i][3]);
+ if((regs[i].isconst>>5)&1) printf("ebp=%x ",(u_int)constmap[i][5]);
+ if((regs[i].isconst>>6)&1) printf("esi=%x ",(u_int)constmap[i][6]);
+ if((regs[i].isconst>>7)&1) printf("edi=%x ",(u_int)constmap[i][7]);
#endif
- #ifdef __arm__
- if(regs[i].isconst&1) printf("r0=%x ",(int)constmap[i][0]);
- if((regs[i].isconst>>1)&1) printf("r1=%x ",(int)constmap[i][1]);
- if((regs[i].isconst>>2)&1) printf("r2=%x ",(int)constmap[i][2]);
- if((regs[i].isconst>>3)&1) printf("r3=%x ",(int)constmap[i][3]);
- if((regs[i].isconst>>4)&1) printf("r4=%x ",(int)constmap[i][4]);
- if((regs[i].isconst>>5)&1) printf("r5=%x ",(int)constmap[i][5]);
- if((regs[i].isconst>>6)&1) printf("r6=%x ",(int)constmap[i][6]);
- if((regs[i].isconst>>7)&1) printf("r7=%x ",(int)constmap[i][7]);
- if((regs[i].isconst>>8)&1) printf("r8=%x ",(int)constmap[i][8]);
- if((regs[i].isconst>>9)&1) printf("r9=%x ",(int)constmap[i][9]);
- if((regs[i].isconst>>10)&1) printf("r10=%x ",(int)constmap[i][10]);
- if((regs[i].isconst>>12)&1) printf("r12=%x ",(int)constmap[i][12]);
+ #if defined(__arm__) || defined(__aarch64__)
+ int r;
+ for (r = 0; r < ARRAY_SIZE(constmap[i]); r++)
+ if ((regs[i].isconst >> r) & 1)
+ printf(" r%d=%x", r, (u_int)constmap[i][r]);
#endif
printf("\n");
}
-#ifndef FORCE32
- printf(" 32:");
- for(r=0;r<=CCREG;r++) {
- if((regs[i].is32>>r)&1) {
- if(r==CCREG) printf(" CC");
- else if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- printf("\n");
-#endif
- /*printf(" p32:");
- for(r=0;r<=CCREG;r++) {
- if((p32[i]>>r)&1) {
- if(r==CCREG) printf(" CC");
- else if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- if(p32[i]!=regs[i].is32) printf(" NO MATCH\n");
- else printf("\n");*/
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) {
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP) {
#if defined(__i386__) || defined(__x86_64__)
printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d dirty: ",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]);
if(branch_regs[i].dirty&1) printf("eax ");
if((branch_regs[i].dirty>>10)&1) printf("r10 ");
if((branch_regs[i].dirty>>12)&1) printf("r12 ");
#endif
-#ifndef FORCE32
- printf(" 32:");
- for(r=0;r<=CCREG;r++) {
- if((branch_regs[i].is32>>r)&1) {
- if(r==CCREG) printf(" CC");
- else if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- printf("\n");
-#endif
}
}
#endif // DISASM
/* Pass 8 - Assembly */
linkcount=0;stubcount=0;
ds=0;is_delayslot=0;
- cop1_usable=0;
- uint64_t is32_pre=0;
u_int dirty_pre=0;
- u_int beginning=(u_int)out;
+ void *beginning=start_block();
if((u_int)addr&1) {
ds=1;
pagespan_ds();
}
- u_int instr_addr0_override=0;
+ void *instr_addr0_override = NULL;
-#ifdef PCSX
if (start == 0x80030000) {
- // nasty hack for fastbios thing
+ // nasty hack for the fastbios thing
// override block entry to this code
- instr_addr0_override=(u_int)out;
+ instr_addr0_override = out;
emit_movimm(start,0);
// abuse io address var as a flag that we
// have already returned here once
- emit_readword((int)&address,1);
- emit_writeword(0,(int)&pcaddr);
- emit_writeword(0,(int)&address);
+ emit_readword(&address,1);
+ emit_writeword(0,&pcaddr);
+ emit_writeword(0,&address);
emit_cmp(0,1);
- emit_jne((int)new_dyna_leave);
+ #ifdef __aarch64__
+ emit_jeq(out + 4*2);
+ emit_jmp(new_dyna_leave);
+ #else
+ emit_jne(new_dyna_leave);
+ #endif
}
-#endif
for(i=0;i<slen;i++)
{
//if(ds) printf("ds: ");
if(ds) {
ds=0; // Skip delay slot
if(bt[i]) assem_debug("OOPS - branch into delay slot\n");
- instr_addr[i]=0;
+ instr_addr[i] = NULL;
} else {
speculate_register_values(i);
#ifndef DESTRUCTIVE_WRITEBACK
if(i<2||(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000))
{
- wb_sx(regmap_pre[i],regs[i].regmap_entry,regs[i].wasdirty,is32_pre,regs[i].was32,
- unneeded_reg[i],unneeded_reg_upper[i]);
- wb_valid(regmap_pre[i],regs[i].regmap_entry,dirty_pre,regs[i].wasdirty,is32_pre,
- unneeded_reg[i],unneeded_reg_upper[i]);
+ wb_valid(regmap_pre[i],regs[i].regmap_entry,dirty_pre,regs[i].wasdirty,unneeded_reg[i]);
}
- if((itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)&&!likely[i]) {
- is32_pre=branch_regs[i].is32;
+ if((itype[i]==CJUMP||itype[i]==SJUMP)&&!likely[i]) {
dirty_pre=branch_regs[i].dirty;
}else{
- is32_pre=regs[i].is32;
dirty_pre=regs[i].dirty;
}
#endif
// write back
if(i<2||(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000))
{
- wb_invalidate(regmap_pre[i],regs[i].regmap_entry,regs[i].wasdirty,regs[i].was32,
- unneeded_reg[i],unneeded_reg_upper[i]);
+ wb_invalidate(regmap_pre[i],regs[i].regmap_entry,regs[i].wasdirty,unneeded_reg[i]);
loop_preload(regmap_pre[i],regs[i].regmap_entry);
}
// branch target entry point
- instr_addr[i]=(u_int)out;
+ instr_addr[i] = out;
assem_debug("<->\n");
+ drc_dbg_emit_do_cmp(i);
+
// load regs
if(regs[i].regmap_entry[HOST_CCREG]==CCREG&®s[i].regmap[HOST_CCREG]!=CCREG)
- wb_register(CCREG,regs[i].regmap_entry,regs[i].wasdirty,regs[i].was32);
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs1[i],rs2[i]);
+ wb_register(CCREG,regs[i].regmap_entry,regs[i].wasdirty);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,rs1[i],rs2[i]);
address_generation(i,®s[i],regs[i].regmap_entry);
- load_consts(regmap_pre[i],regs[i].regmap,regs[i].was32,i);
- if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
+ load_consts(regmap_pre[i],regs[i].regmap,i);
+ if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP)
{
// Load the delay slot registers if necessary
if(rs1[i+1]!=rs1[i]&&rs1[i+1]!=rs2[i]&&(rs1[i+1]!=rt1[i]||rt1[i]==0))
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs1[i+1],rs1[i+1]);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,rs1[i+1],rs1[i+1]);
if(rs2[i+1]!=rs1[i+1]&&rs2[i+1]!=rs1[i]&&rs2[i+1]!=rs2[i]&&(rs2[i+1]!=rt1[i]||rt1[i]==0))
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs2[i+1],rs2[i+1]);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,rs2[i+1],rs2[i+1]);
if(itype[i+1]==STORE||itype[i+1]==STORELR||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a)
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,INVCP,INVCP);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,INVCP,INVCP);
}
else if(i+1<slen)
{
// Preload registers for following instruction
if(rs1[i+1]!=rs1[i]&&rs1[i+1]!=rs2[i])
if(rs1[i+1]!=rt1[i]&&rs1[i+1]!=rt2[i])
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs1[i+1],rs1[i+1]);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,rs1[i+1],rs1[i+1]);
if(rs2[i+1]!=rs1[i+1]&&rs2[i+1]!=rs1[i]&&rs2[i+1]!=rs2[i])
if(rs2[i+1]!=rt1[i]&&rs2[i+1]!=rt2[i])
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs2[i+1],rs2[i+1]);
+ load_regs(regs[i].regmap_entry,regs[i].regmap,rs2[i+1],rs2[i+1]);
}
// TODO: if(is_ooo(i)) address_generation(i+1);
- if(itype[i]==CJUMP||itype[i]==FJUMP)
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,CCREG,CCREG);
+ if(itype[i]==CJUMP)
+ load_regs(regs[i].regmap_entry,regs[i].regmap,CCREG,CCREG);
if(itype[i]==STORE||itype[i]==STORELR||(opcode[i]&0x3b)==0x39||(opcode[i]&0x3b)==0x3a)
- load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,INVCP,INVCP);
- if(bt[i]) cop1_usable=0;
+ load_regs(regs[i].regmap_entry,regs[i].regmap,INVCP,INVCP);
// assemble
switch(itype[i]) {
case ALU:
c2ls_assemble(i,®s[i]);break;
case C2OP:
c2op_assemble(i,®s[i]);break;
- case FCONV:
- fconv_assemble(i,®s[i]);break;
- case FLOAT:
- float_assemble(i,®s[i]);break;
- case FCOMP:
- fcomp_assemble(i,®s[i]);break;
case MULTDIV:
multdiv_assemble(i,®s[i]);break;
case MOV:
cjump_assemble(i,®s[i]);ds=1;break;
case SJUMP:
sjump_assemble(i,®s[i]);ds=1;break;
- case FJUMP:
- fjump_assemble(i,®s[i]);ds=1;break;
case SPAN:
pagespan_assemble(i,®s[i]);break;
}
// add a jump to the next instruction.
if(i>1) {
if(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000&&itype[i-1]!=SPAN) {
- assert(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP);
+ assert(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP);
assert(i==slen);
- if(itype[i-2]!=CJUMP&&itype[i-2]!=SJUMP&&itype[i-2]!=FJUMP) {
- store_regs_bt(regs[i-1].regmap,regs[i-1].is32,regs[i-1].dirty,start+i*4);
+ if(itype[i-2]!=CJUMP&&itype[i-2]!=SJUMP) {
+ store_regs_bt(regs[i-1].regmap,regs[i-1].dirty,start+i*4);
if(regs[i-1].regmap[HOST_CCREG]!=CCREG)
emit_loadreg(CCREG,HOST_CCREG);
emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i-1]+1),HOST_CCREG);
}
else if(!likely[i-2])
{
- store_regs_bt(branch_regs[i-2].regmap,branch_regs[i-2].is32,branch_regs[i-2].dirty,start+i*4);
+ store_regs_bt(branch_regs[i-2].regmap,branch_regs[i-2].dirty,start+i*4);
assert(branch_regs[i-2].regmap[HOST_CCREG]==CCREG);
}
else
{
- store_regs_bt(regs[i-2].regmap,regs[i-2].is32,regs[i-2].dirty,start+i*4);
+ store_regs_bt(regs[i-2].regmap,regs[i-2].dirty,start+i*4);
assert(regs[i-2].regmap[HOST_CCREG]==CCREG);
}
- add_to_linker((int)out,start+i*4,0);
+ add_to_linker(out,start+i*4,0);
emit_jmp(0);
}
}
else
{
assert(i>0);
- assert(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP);
- store_regs_bt(regs[i-1].regmap,regs[i-1].is32,regs[i-1].dirty,start+i*4);
+ assert(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP);
+ store_regs_bt(regs[i-1].regmap,regs[i-1].dirty,start+i*4);
if(regs[i-1].regmap[HOST_CCREG]!=CCREG)
emit_loadreg(CCREG,HOST_CCREG);
emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i-1]+1),HOST_CCREG);
- add_to_linker((int)out,start+i*4,0);
+ add_to_linker(out,start+i*4,0);
emit_jmp(0);
}
// Stubs
for(i=0;i<stubcount;i++)
{
- switch(stubs[i][0])
+ switch(stubs[i].type)
{
case LOADB_STUB:
case LOADH_STUB:
/* Pass 9 - Linker */
for(i=0;i<linkcount;i++)
{
- assem_debug("%8x -> %8x\n",link_addr[i][0],link_addr[i][1]);
+ assem_debug("%p -> %8x\n",link_addr[i].addr,link_addr[i].target);
literal_pool(64);
- if(!link_addr[i][2])
+ if (!link_addr[i].ext)
{
- void *stub=out;
- void *addr=check_addr(link_addr[i][1]);
- emit_extjump(link_addr[i][0],link_addr[i][1]);
- if(addr) {
- set_jump_target(link_addr[i][0],(int)addr);
- add_link(link_addr[i][1],stub);
+ void *stub = out;
+ void *addr = check_addr(link_addr[i].target);
+ emit_extjump(link_addr[i].addr, link_addr[i].target);
+ if (addr) {
+ set_jump_target(link_addr[i].addr, addr);
+ add_link(link_addr[i].target,stub);
}
- else set_jump_target(link_addr[i][0],(int)stub);
+ else
+ set_jump_target(link_addr[i].addr, stub);
}
else
{
// Internal branch
- int target=(link_addr[i][1]-start)>>2;
+ int target=(link_addr[i].target-start)>>2;
assert(target>=0&&target<slen);
assert(instr_addr[target]);
//#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
- //set_jump_target_fillslot(link_addr[i][0],instr_addr[target],link_addr[i][2]>>1);
+ //set_jump_target_fillslot(link_addr[i].addr,instr_addr[target],link_addr[i].ext>>1);
//#else
- set_jump_target(link_addr[i][0],instr_addr[target]);
+ set_jump_target(link_addr[i].addr, instr_addr[target]);
//#endif
}
}
u_int page=get_page(vaddr);
u_int vpage=get_vpage(vaddr);
literal_pool(256);
- //if(!(is32[i]&(~unneeded_reg_upper[i])&~(1LL<<CCREG)))
-#ifndef FORCE32
- if(!requires_32bit[i])
-#else
- if(1)
-#endif
{
- assem_debug("%8x (%d) <- %8x\n",instr_addr[i],i,start+i*4);
+ assem_debug("%p (%d) <- %8x\n",instr_addr[i],i,start+i*4);
assem_debug("jump_in: %x\n",start+i*4);
- ll_add(jump_dirty+vpage,vaddr,(void *)out);
- int entry_point=do_dirty_stub(i);
- ll_add(jump_in+page,vaddr,(void *)entry_point);
+ ll_add(jump_dirty+vpage,vaddr,out);
+ void *entry_point = do_dirty_stub(i);
+ ll_add_flags(jump_in+page,vaddr,state_rflags,entry_point);
// If there was an existing entry in the hash table,
// replace it with the new address.
// Don't add new entries. We'll insert the
// ones that actually get used in check_addr().
- int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF];
- if(ht_bin[0]==vaddr) {
- ht_bin[1]=entry_point;
- }
- if(ht_bin[2]==vaddr) {
- ht_bin[3]=entry_point;
- }
- }
- else
- {
- u_int r=requires_32bit[i]|!!(requires_32bit[i]>>32);
- assem_debug("%8x (%d) <- %8x\n",instr_addr[i],i,start+i*4);
- assem_debug("jump_in: %x (restricted - %x)\n",start+i*4,r);
- //int entry_point=(int)out;
- ////assem_debug("entry_point: %x\n",entry_point);
- //load_regs_entry(i);
- //if(entry_point==(int)out)
- // entry_point=instr_addr[i];
- //else
- // emit_jmp(instr_addr[i]);
- //ll_add_32(jump_in+page,vaddr,r,(void *)entry_point);
- ll_add_32(jump_dirty+vpage,vaddr,r,(void *)out);
- int entry_point=do_dirty_stub(i);
- ll_add_32(jump_in+page,vaddr,r,(void *)entry_point);
+ struct ht_entry *ht_bin = hash_table_get(vaddr);
+ if (ht_bin->vaddr[0] == vaddr)
+ ht_bin->tcaddr[0] = entry_point;
+ if (ht_bin->vaddr[1] == vaddr)
+ ht_bin->tcaddr[1] = entry_point;
}
}
}
// Align code
if(((u_int)out)&7) emit_addnop(13);
#endif
- assert((u_int)out-beginning<MAX_OUTPUT_BLOCK_SIZE);
- //printf("shadow buffer: %x-%x\n",(int)copy,(int)copy+slen*4);
+ assert(out - (u_char *)beginning < MAX_OUTPUT_BLOCK_SIZE);
+ //printf("shadow buffer: %p-%p\n",copy,(u_char *)copy+slen*4);
memcpy(copy,source,slen*4);
copy+=slen*4;
-
- #ifdef __arm__
- __clear_cache((void *)beginning,out);
- #endif
-
+
+ end_block(beginning);
+
// If we're within 256K of the end of the buffer,
// start over from the beginning. (Is 256K enough?)
- if((int)out>BASE_ADDR+(1<<TARGET_SIZE_2)-MAX_OUTPUT_BLOCK_SIZE) out=(u_char *)BASE_ADDR;
-
+ if (out > translation_cache+(1<<TARGET_SIZE_2)-MAX_OUTPUT_BLOCK_SIZE)
+ out = translation_cache;
+
// Trap writes to any of the pages we compiled
for(i=start>>12;i<=(start+slen*4)>>12;i++) {
invalid_code[i]=0;
-#ifndef DISABLE_TLB
- memory_map[i]|=0x40000000;
- if((signed int)start>=(signed int)0xC0000000) {
- assert(using_tlb);
- j=(((u_int)i<<12)+(memory_map[i]<<2)-(u_int)rdram+(u_int)0x80000000)>>12;
- invalid_code[j]=0;
- memory_map[j]|=0x40000000;
- //printf("write protect physical page: %x (virtual %x)\n",j<<12,start);
- }
-#endif
}
inv_code_start=inv_code_end=~0;
-#ifdef PCSX
+
// for PCSX we need to mark all mirrors too
if(get_page(start)<(RAM_SIZE>>12))
for(i=start>>12;i<=(start+slen*4)>>12;i++)
invalid_code[((u_int)0x00000000>>12)|(i&0x1ff)]=
invalid_code[((u_int)0x80000000>>12)|(i&0x1ff)]=
invalid_code[((u_int)0xa0000000>>12)|(i&0x1ff)]=0;
-#endif
-
+
/* Pass 10 - Free memory by expiring oldest blocks */
-
- int end=((((int)out-BASE_ADDR)>>(TARGET_SIZE_2-16))+16384)&65535;
+
+ int end=(((out-translation_cache)>>(TARGET_SIZE_2-16))+16384)&65535;
while(expirep!=end)
{
int shift=TARGET_SIZE_2-3; // Divide into 8 blocks
- int base=BASE_ADDR+((expirep>>13)<<shift); // Base address of this block
+ uintptr_t base=(uintptr_t)translation_cache+((expirep>>13)<<shift); // Base address of this block
inv_debug("EXP: Phase %d\n",expirep);
switch((expirep>>11)&3)
{
case 2:
// Clear hash table
for(i=0;i<32;i++) {
- int *ht_bin=hash_table[((expirep&2047)<<5)+i];
- if((ht_bin[3]>>shift)==(base>>shift) ||
- ((ht_bin[3]-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(base>>shift)) {
- inv_debug("EXP: Remove hash %x -> %x\n",ht_bin[2],ht_bin[3]);
- ht_bin[2]=ht_bin[3]=-1;
- }
- if((ht_bin[1]>>shift)==(base>>shift) ||
- ((ht_bin[1]-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(base>>shift)) {
- inv_debug("EXP: Remove hash %x -> %x\n",ht_bin[0],ht_bin[1]);
- ht_bin[0]=ht_bin[2];
- ht_bin[1]=ht_bin[3];
- ht_bin[2]=ht_bin[3]=-1;
+ struct ht_entry *ht_bin = &hash_table[((expirep&2047)<<5)+i];
+ if (((uintptr_t)ht_bin->tcaddr[1]>>shift) == (base>>shift) ||
+ (((uintptr_t)ht_bin->tcaddr[1]-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(base>>shift)) {
+ inv_debug("EXP: Remove hash %x -> %p\n",ht_bin->vaddr[1],ht_bin->tcaddr[1]);
+ ht_bin->vaddr[1] = -1;
+ ht_bin->tcaddr[1] = NULL;
+ }
+ if (((uintptr_t)ht_bin->tcaddr[0]>>shift) == (base>>shift) ||
+ (((uintptr_t)ht_bin->tcaddr[0]-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(base>>shift)) {
+ inv_debug("EXP: Remove hash %x -> %p\n",ht_bin->vaddr[0],ht_bin->tcaddr[0]);
+ ht_bin->vaddr[0] = ht_bin->vaddr[1];
+ ht_bin->tcaddr[0] = ht_bin->tcaddr[1];
+ ht_bin->vaddr[1] = -1;
+ ht_bin->tcaddr[1] = NULL;
}
}
break;
case 3:
// Clear jump_out
- #ifdef __arm__
- if((expirep&2047)==0)
+ #if defined(__arm__) || defined(__aarch64__)
+ if((expirep&2047)==0)
do_clear_cache();
#endif
ll_remove_matching_addrs(jump_out+(expirep&2047),base,shift);
notaz.gp2x.de / pcsx_rearmed.git / blobdiff