/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus/PCSX - assem_arm.c *
* Copyright (C) 2009-2011 Ari64 *
- * Copyright (C) 2010-2011 Gražvydas "notaz" Ignotas *
+ * Copyright (C) 2010-2021 Gražvydas "notaz" Ignotas *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-#include "../gte.h"
#define FLAGLESS
#include "../gte.h"
#undef FLAGLESS
#include "pcnt.h"
#include "arm_features.h"
-#if defined(BASE_ADDR_FIXED)
-#elif defined(BASE_ADDR_DYNAMIC)
-u_char *translation_cache;
-#else
-u_char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096)));
-#endif
-
#ifndef __MACH__
#define CALLER_SAVE_REGS 0x100f
#else
#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
#endif
-extern int cycle_count;
-extern int last_count;
-extern int pcaddr;
-extern int pending_exception;
-extern int branch_target;
-extern uint64_t readmem_dword;
-extern void *dynarec_local;
-extern u_int mini_ht[32][2];
-
void indirect_jump_indexed();
void indirect_jump();
void do_interrupt();
return ptr;
}
-static int verify_dirty(u_int *ptr)
+static int verify_dirty(const u_int *ptr)
{
#ifndef HAVE_ARMV7
u_int offset;
if((*ptr&0xFF000000)!=0xeb000000) ptr++;
if((*ptr&0xFF000000)!=0xeb000000) return 1; // bl instruction
if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code) return 0;
- if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_vm) return 0;
if((int)ptr+((*ptr<<8)>>6)+8==(int)verify_code_ds) return 0;
return 1;
}
static u_int genjmp(u_int addr)
{
- int offset=addr-(int)out-8;
- if(offset<-33554432||offset>=33554432) {
- if (addr>2) {
- SysPrintf("genjmp: out of range: %08x\n", offset);
- exit(1);
- }
+ if (addr < 3) return 0; // a branch that will be patched later
+ int offset = addr-(int)out-8;
+ if (offset < -33554432 || offset >= 33554432) {
+ SysPrintf("genjmp: out of range: %08x\n", offset);
+ abort();
return 0;
}
return ((u_int)offset>>2)&0xffffff;
}
+static unused void emit_breakpoint(void)
+{
+ assem_debug("bkpt #0\n");
+ //output_w32(0xe1200070);
+ output_w32(0xe7f001f0);
+}
+
static void emit_mov(int rs,int rt)
{
assem_debug("mov %s,%s\n",regname[rt],regname[rs]);
output_w32(0xe0800000|rd_rn_rm(rt,rs1,rs2));
}
-static void emit_adds(int rs1,int rs2,int rt)
-{
- assem_debug("adds %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- output_w32(0xe0900000|rd_rn_rm(rt,rs1,rs2));
-}
-
static void emit_adcs(int rs1,int rs2,int rt)
{
assem_debug("adcs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
if((r&63)==0)
emit_zeroreg(hr);
else {
- int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4);
- if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4);
- if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4);
- if(r==CCREG) addr=(int)&cycle_count;
- if(r==CSREG) addr=(int)&Status;
- if(r==INVCP) addr=(int)&invc_ptr;
+ int addr = (int)&psxRegs.GPR.r[r];
+ switch (r) {
+ //case HIREG: addr = &hi; break;
+ //case LOREG: addr = &lo; break;
+ case CCREG: addr = (int)&cycle_count; break;
+ case CSREG: addr = (int)&Status; break;
+ case INVCP: addr = (int)&invc_ptr; break;
+ default: assert(r < 34); break;
+ }
u_int offset = addr-(u_int)&dynarec_local;
assert(offset<4096);
assem_debug("ldr %s,fp+%d\n",regname[hr],offset);
assert(0);
return;
}
- int addr=((int)reg)+((r&63)<<REG_SHIFT)+((r&64)>>4);
- if((r&63)==HIREG) addr=(int)&hi+((r&64)>>4);
- if((r&63)==LOREG) addr=(int)&lo+((r&64)>>4);
- if(r==CCREG) addr=(int)&cycle_count;
+ int addr = (int)&psxRegs.GPR.r[r];
+ switch (r) {
+ //case HIREG: addr = &hi; break;
+ //case LOREG: addr = &lo; break;
+ case CCREG: addr = (int)&cycle_count; break;
+ default: assert(r < 34); break;
+ }
u_int offset = addr-(u_int)&dynarec_local;
assert(offset<4096);
assem_debug("str %s,fp+%d\n",regname[hr],offset);
output_w32(0xe1e00000|rd_rn_rm(rt,0,rs));
}
-static void emit_mvnmi(int rs,int rt)
-{
- assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]);
- output_w32(0x41e00000|rd_rn_rm(rt,0,rs));
-}
-
static void emit_and(u_int rs1,u_int rs2,u_int rt)
{
assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
output_w32(0xe0200000|rd_rn_rm(rt,rs1,rs2));
}
+static void emit_xorsar_imm(u_int rs1,u_int rs2,u_int imm,u_int rt)
+{
+ assem_debug("eor %s,%s,%s,asr #%d\n",regname[rt],regname[rs1],regname[rs2],imm);
+ output_w32(0xe0200040|rd_rn_rm(rt,rs1,rs2)|(imm<<7));
+}
+
static void emit_addimm(u_int rs,int imm,u_int rt)
{
assert(rs<16);
output_w32(0xe2800000|rd_rn_rm(r,r,0));
}
-static void emit_adcimm(u_int rs,int imm,u_int rt)
-{
- u_int armval;
- genimm_checked(imm,&armval);
- assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm);
- output_w32(0xe2a00000|rd_rn_rm(rt,rs,0)|armval);
-}
-
-static void emit_addimm64_32(int rsh,int rsl,int imm,int rth,int rtl)
-{
- // TODO: if(genimm(imm,&armval)) ...
- // else
- emit_movimm(imm,HOST_TEMPREG);
- emit_adds(HOST_TEMPREG,rsl,rtl);
- emit_adcimm(rsh,0,rth);
-}
-
static void emit_andimm(int rs,int imm,int rt)
{
u_int armval;
output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8));
}
-static void emit_orrshl(u_int rs,u_int shift,u_int rt)
+static unused void emit_orrshl(u_int rs,u_int shift,u_int rt)
{
assert(rs<16);
assert(rt<16);
output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8));
}
-static void emit_orrshr(u_int rs,u_int shift,u_int rt)
+static unused void emit_orrshr(u_int rs,u_int shift,u_int rt)
{
assert(rs<16);
assert(rt<16);
output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval);
}
+static void emit_cmovae_imm(int imm,int rt)
+{
+ assem_debug("movcs %s,#%d\n",regname[rt],imm);
+ u_int armval;
+ genimm_checked(imm,&armval);
+ output_w32(0x23a00000|rd_rn_rm(rt,0,0)|armval);
+}
+
static void emit_cmovne_reg(int rs,int rt)
{
assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
output_w32(0xb1a00000|rd_rn_rm(rt,0,rs));
}
+static void emit_cmovb_reg(int rs,int rt)
+{
+ assem_debug("movcc %s,%s\n",regname[rt],regname[rs]);
+ output_w32(0x31a00000|rd_rn_rm(rt,0,rs));
+}
+
static void emit_cmovs_reg(int rs,int rt)
{
assem_debug("movmi %s,%s\n",regname[rt],regname[rs]);
emit_cmovb_imm(1,rt);
}
+static int can_jump_or_call(const void *a)
+{
+ intptr_t offset = (u_char *)a - out - 8;
+ return (-33554432 <= offset && offset < 33554432);
+}
+
static void emit_call(const void *a_)
{
int a = (int)a_;
- assem_debug("bl %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a));
+ assem_debug("bl %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a_));
u_int offset=genjmp(a);
output_w32(0xeb000000|offset);
}
static void emit_jmp(const void *a_)
{
int a = (int)a_;
- assem_debug("b %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a));
+ assem_debug("b %x (%x+%x)%s\n",a,(int)out,a-(int)out-8,func_name(a_));
u_int offset=genjmp(a);
output_w32(0xea000000|offset);
}
output_w32(0x1a000000|offset);
}
-static void emit_jeq(int a)
+static void emit_jeq(const void *a_)
{
+ int a = (int)a_;
assem_debug("beq %x\n",a);
u_int offset=genjmp(a);
output_w32(0x0a000000|offset);
}
-static void emit_js(int a)
+static void emit_js(const void *a_)
{
+ int a = (int)a_;
assem_debug("bmi %x\n",a);
u_int offset=genjmp(a);
output_w32(0x4a000000|offset);
}
-static void emit_jns(int a)
+static void emit_jns(const void *a_)
{
+ int a = (int)a_;
assem_debug("bpl %x\n",a);
u_int offset=genjmp(a);
output_w32(0x5a000000|offset);
}
-static void emit_jl(int a)
+static void emit_jl(const void *a_)
{
+ int a = (int)a_;
assem_debug("blt %x\n",a);
u_int offset=genjmp(a);
output_w32(0xba000000|offset);
}
-static void emit_jge(int a)
+static void emit_jge(const void *a_)
{
+ int a = (int)a_;
assem_debug("bge %x\n",a);
u_int offset=genjmp(a);
output_w32(0xaa000000|offset);
}
-static void emit_jno(int a)
+static void emit_jno(const void *a_)
{
+ int a = (int)a_;
assem_debug("bvc %x\n",a);
u_int offset=genjmp(a);
output_w32(0x7a000000|offset);
}
-static void emit_jc(int a)
+static void emit_jc(const void *a_)
{
+ int a = (int)a_;
assem_debug("bcs %x\n",a);
u_int offset=genjmp(a);
output_w32(0x2a000000|offset);
}
-static void emit_jcc(void *a_)
+static void emit_jcc(const void *a_)
{
int a = (int)a_;
assem_debug("bcc %x\n",a);
output_w32(0x3a000000|offset);
}
-static void emit_callreg(u_int r)
+static unused void emit_callreg(u_int r)
{
assert(r<15);
assem_debug("blx %s\n",regname[r]);
output_w32(0xe1a00000|rd_rn_rm(15,0,r));
}
+static void emit_ret(void)
+{
+ emit_jmpreg(14);
+}
+
static void emit_readword_indexed(int offset, int rs, int rt)
{
assert(offset>-4096&&offset<4096);
output_w32(0xe1300000|rd_rn_rm(0,rs,rt));
}
-static void emit_rsbimm(int rs, int imm, int rt)
+static unused void emit_rsbimm(int rs, int imm, int rt)
{
u_int armval;
genimm_checked(imm,&armval);
output_w32(0xe2600000|rd_rn_rm(rt,rs,0)|armval);
}
-// 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);
- u_int armval;
- if(genimm(imm2-imm1,&armval)) {
- assem_debug("add %s,%s,#%d\n",regname[rt2],regname[rt1],imm2-imm1);
- output_w32(0xe2800000|rd_rn_rm(rt2,rt1,0)|armval);
- }else if(genimm(imm1-imm2,&armval)) {
- assem_debug("sub %s,%s,#%d\n",regname[rt2],regname[rt1],imm1-imm2);
- output_w32(0xe2400000|rd_rn_rm(rt2,rt1,0)|armval);
- }
- else emit_movimm(imm2,rt2);
-}
-
// Conditionally select one of two immediates, optimizing for small code size
// This will only be called if HAVE_CMOV_IMM is defined
static void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt)
set_jump_target(jaddr, out);
}
-static void emit_extjump2(u_char *addr, int target, void *linker)
+// parsed by get_pointer, find_extjump_insn
+static void emit_extjump2(u_char *addr, u_int target, void *linker)
{
u_char *ptr=(u_char *)addr;
assert((ptr[3]&0x0e)==0xa);
emit_loadlp(target,0);
emit_loadlp((u_int)addr,1);
- assert(addr>=translation_cache&&addr<(translation_cache+(1<<TARGET_SIZE_2)));
+ assert(addr>=ndrc->translation_cache&&addr<(ndrc->translation_cache+(1<<TARGET_SIZE_2)));
//assert((target>=0x80000000&&target<0x80800000)||(target>0xA4000000&&target<0xA4001000));
//DEBUG >
#ifdef DEBUG_CYCLE_COUNT
emit_writeword(ECX,&last_count);
#endif
//DEBUG <
- emit_jmp(linker);
-}
-
-static void emit_extjump(void *addr, int target)
-{
- emit_extjump2(addr, target, dyna_linker);
+ emit_far_jump(linker);
}
-static void emit_extjump_ds(void *addr, int target)
+static void check_extjump2(void *src)
{
- emit_extjump2(addr, target, dyna_linker_ds);
+ u_int *ptr = src;
+ assert((ptr[1] & 0x0fff0000) == 0x059f0000); // ldr rx, [pc, #ofs]
+ (void)ptr;
}
// put rt_val into rt, potentially making use of rs with value rs_val
return 0;
}
-// trashes r2
-static void pass_args(int a0, int a1)
-{
- 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);
- }
-}
-
static void mov_loadtype_adj(enum stub_type type,int rs,int rt)
{
switch(type) {
enum stub_type type=stubs[n].type;
int i=stubs[n].a;
int rs=stubs[n].b;
- struct regstat *i_regs=(struct regstat *)stubs[n].c;
+ const struct regstat *i_regs=(struct regstat *)stubs[n].c;
u_int reglist=stubs[n].e;
- signed char *i_regmap=i_regs->regmap;
+ const signed char *i_regmap=i_regs->regmap;
int rt;
if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) {
rt=get_reg(i_regmap,FTEMP);
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(handler);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
+ emit_far_call(handler);
if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
mov_loadtype_adj(type,0,rt);
}
emit_jmp(stubs[n].retaddr); // return address
}
-// return memhandler, or get directly accessable address and return 0
-static void *get_direct_memhandler(void *table,u_int addr,enum stub_type type,u_int *addr_host)
-{
- u_int l1,l2=0;
- l1=((u_int *)table)[addr>>12];
- if((l1&(1<<31))==0) {
- u_int v=l1<<1;
- *addr_host=v+addr;
- return NULL;
- }
- else {
- l1<<=1;
- if(type==LOADB_STUB||type==LOADBU_STUB||type==STOREB_STUB)
- l2=((u_int *)l1)[0x1000/4 + 0x1000/2 + (addr&0xfff)];
- else if(type==LOADH_STUB||type==LOADHU_STUB||type==STOREH_STUB)
- l2=((u_int *)l1)[0x1000/4 + (addr&0xfff)/2];
- else
- l2=((u_int *)l1)[(addr&0xfff)/4];
- if((l2&(1<<31))==0) {
- u_int v=l2<<1;
- *addr_host=v+(addr&0xfff);
- return NULL;
- }
- return (void *)(l2<<1);
- }
-}
-
-static void inline_readstub(enum stub_type type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
+static void inline_readstub(enum stub_type type, int i, u_int addr,
+ const signed char regmap[], int target, int adj, u_int reglist)
{
int rs=get_reg(regmap,target);
int rt=get_reg(regmap,target);
if(rs<0) rs=get_reg(regmap,-1);
assert(rs>=0);
- u_int host_addr=0,is_dynamic,far_call=0;
+ u_int is_dynamic;
+ uintptr_t host_addr = 0;
void *handler;
int cc=get_reg(regmap,CCREG);
- if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj+1),cc,target?rs:-1,rt))
+ if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj),cc,target?rs:-1,rt))
return;
handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr);
if (handler == NULL) {
emit_movimm(addr,0);
else if(rs!=0)
emit_mov(rs,0);
- int offset=(u_char *)handler-out-8;
- if(offset<-33554432||offset>=33554432) {
- // unreachable memhandler, a plugin func perhaps
- emit_movimm((u_int)handler,12);
- far_call=1;
- }
if(cc<0)
emit_loadreg(CCREG,2);
if(is_dynamic) {
emit_movimm(((u_int *)mem_rtab)[addr>>12]<<1,1);
- emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
}
else {
emit_readword(&last_count,3);
- emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
emit_add(2,3,2);
emit_writeword(2,&Count);
}
- if(far_call)
- emit_callreg(12);
- else
- emit_call(handler);
+ emit_far_call(handler);
if(rt>=0&&rt1[i]!=0) {
switch(type) {
enum stub_type type=stubs[n].type;
int i=stubs[n].a;
int rs=stubs[n].b;
- struct regstat *i_regs=(struct regstat *)stubs[n].c;
+ const struct regstat *i_regs=(struct regstat *)stubs[n].c;
u_int reglist=stubs[n].e;
- signed char *i_regmap=i_regs->regmap;
+ const signed char *i_regmap=i_regs->regmap;
int rt,r;
if(itype[i]==C1LS||itype[i]==C2LS) {
rt=get_reg(i_regmap,r=FTEMP);
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_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
// returns new cycle_count
- emit_call(handler);
- emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
+ emit_far_call(handler);
+ emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d),cc<0?2:cc);
if(cc<0)
emit_storereg(CCREG,2);
if(restore_jump)
emit_jmp(stubs[n].retaddr);
}
-static void inline_writestub(enum stub_type type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
+static void inline_writestub(enum stub_type type, int i, u_int addr,
+ const signed char regmap[], int target, int adj, u_int reglist)
{
int rs=get_reg(regmap,-1);
int rt=get_reg(regmap,target);
assert(rs>=0);
assert(rt>=0);
- u_int host_addr=0;
+ uintptr_t host_addr = 0;
void *handler = get_direct_memhandler(mem_wtab, addr, type, &host_addr);
if (handler == NULL) {
if(addr!=host_addr)
int cc=get_reg(regmap,CCREG);
if(cc<0)
emit_loadreg(CCREG,2);
- emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
emit_movimm((u_int)handler,3);
// returns new cycle_count
- emit_call(jump_handler_write_h);
- emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc);
+ emit_far_call(jump_handler_write_h);
+ emit_addimm(0,-CLOCK_ADJUST(adj),cc<0?2:cc);
if(cc<0)
emit_storereg(CCREG,2);
restore_regs(reglist);
}
-static void do_unalignedwritestub(int n)
+// this output is parsed by verify_dirty, get_bounds, isclean, get_clean_addr
+static void do_dirty_stub_emit_args(u_int arg0)
{
- 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);
-#ifdef BIG_ENDIAN_MIPS
- if (opcode[i]==0x2e) // SWR
-#else
- if (opcode[i]==0x2a) // SWL
-#endif
- 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
-}
-
-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
+ #ifndef HAVE_ARMV7
+ emit_loadlp((int)source, 1);
+ emit_loadlp((int)copy, 2);
+ emit_loadlp(slen*4, 3);
+ #else
+ emit_movw(((u_int)source)&0x0000FFFF, 1);
+ emit_movw(((u_int)copy)&0x0000FFFF, 2);
+ emit_movt(((u_int)source)&0xFFFF0000, 1);
+ emit_movt(((u_int)copy)&0xFFFF0000, 2);
+ emit_movw(slen*4, 3);
+ #endif
+ emit_movimm(arg0, 0);
}
-void *do_dirty_stub(int i)
+static void *do_dirty_stub(int i)
{
assem_debug("do_dirty_stub %x\n",start+i*4);
- u_int addr=(u_int)source;
- // Careful about the code output here, verify_dirty needs to parse it.
- #ifndef HAVE_ARMV7
- emit_loadlp(addr,1);
- emit_loadlp((int)copy,2);
- emit_loadlp(slen*4,3);
- #else
- emit_movw(addr&0x0000FFFF,1);
- emit_movw(((u_int)copy)&0x0000FFFF,2);
- emit_movt(addr&0xFFFF0000,1);
- emit_movt(((u_int)copy)&0xFFFF0000,2);
- emit_movw(slen*4,3);
- #endif
- emit_movimm(start+i*4,0);
- emit_call((int)start<(int)0xC0000000?&verify_code:&verify_code_vm);
+ do_dirty_stub_emit_args(start + i*4);
+ emit_far_call(verify_code);
void *entry = out;
load_regs_entry(i);
if (entry == out)
static void do_dirty_stub_ds()
{
- // Careful about the code output here, verify_dirty needs to parse it.
- #ifndef HAVE_ARMV7
- emit_loadlp((int)start<(int)0xC0000000?(int)source:(int)start,1);
- emit_loadlp((int)copy,2);
- emit_loadlp(slen*4,3);
- #else
- emit_movw(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0x0000FFFF,1);
- emit_movw(((u_int)copy)&0x0000FFFF,2);
- emit_movt(((int)start<(int)0xC0000000?(u_int)source:(u_int)start)&0xFFFF0000,1);
- emit_movt(((u_int)copy)&0xFFFF0000,2);
- emit_movw(slen*4,3);
- #endif
- emit_movimm(start+1,0);
- emit_call(&verify_code_ds);
+ do_dirty_stub_emit_args(start + 1);
+ emit_far_call(verify_code_ds);
}
/* Special assem */
-static void shift_assemble_arm(int i,struct regstat *i_regs)
-{
- if(rt1[i]) {
- if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV
- {
- signed char s,t,shift;
- 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){
- if(rs1[i]==0)
- {
- emit_zeroreg(t);
- }
- else if(rs2[i]==0)
- {
- assert(s>=0);
- if(s!=t) emit_mov(s,t);
- }
- else
- {
- emit_andimm(shift,31,HOST_TEMPREG);
- if(opcode2[i]==4) // SLLV
- {
- emit_shl(s,HOST_TEMPREG,t);
- }
- if(opcode2[i]==6) // SRLV
- {
- emit_shr(s,HOST_TEMPREG,t);
- }
- if(opcode2[i]==7) // SRAV
- {
- emit_sar(s,HOST_TEMPREG,t);
- }
- }
- }
- } else { // DSLLV/DSRLV/DSRAV
- signed char sh,sl,th,tl,shift;
- 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]);
- shift=get_reg(i_regs->regmap,rs2[i]);
- if(tl>=0){
- if(rs1[i]==0)
- {
- emit_zeroreg(tl);
- if(th>=0) emit_zeroreg(th);
- }
- else if(rs2[i]==0)
- {
- assert(sl>=0);
- if(sl!=tl) emit_mov(sl,tl);
- if(th>=0&&sh!=th) emit_mov(sh,th);
- }
- else
- {
- // FIXME: What if shift==tl ?
- assert(shift!=tl);
- int temp=get_reg(i_regs->regmap,-1);
- int real_th=th;
- if(th<0&&opcode2[i]!=0x14) {th=temp;} // DSLLV doesn't need a temporary register
- assert(sl>=0);
- assert(sh>=0);
- emit_andimm(shift,31,HOST_TEMPREG);
- if(opcode2[i]==0x14) // DSLLV
- {
- if(th>=0) emit_shl(sh,HOST_TEMPREG,th);
- emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
- emit_orrshr(sl,HOST_TEMPREG,th);
- emit_andimm(shift,31,HOST_TEMPREG);
- emit_testimm(shift,32);
- emit_shl(sl,HOST_TEMPREG,tl);
- if(th>=0) emit_cmovne_reg(tl,th);
- emit_cmovne_imm(0,tl);
- }
- if(opcode2[i]==0x16) // DSRLV
- {
- assert(th>=0);
- emit_shr(sl,HOST_TEMPREG,tl);
- emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
- emit_orrshl(sh,HOST_TEMPREG,tl);
- emit_andimm(shift,31,HOST_TEMPREG);
- emit_testimm(shift,32);
- emit_shr(sh,HOST_TEMPREG,th);
- emit_cmovne_reg(th,tl);
- if(real_th>=0) emit_cmovne_imm(0,th);
- }
- if(opcode2[i]==0x17) // DSRAV
- {
- assert(th>=0);
- emit_shr(sl,HOST_TEMPREG,tl);
- emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
- if(real_th>=0) {
- assert(temp>=0);
- emit_sarimm(th,31,temp);
- }
- emit_orrshl(sh,HOST_TEMPREG,tl);
- emit_andimm(shift,31,HOST_TEMPREG);
- emit_testimm(shift,32);
- emit_sar(sh,HOST_TEMPREG,th);
- emit_cmovne_reg(th,tl);
- if(real_th>=0) emit_cmovne_reg(temp,th);
- }
- }
- }
- }
- }
-}
-#define shift_assemble shift_assemble_arm
-
-static void loadlr_assemble_arm(int i,struct regstat *i_regs)
-{
- int s,tl,temp,temp2,addr;
- int offset;
- void *jaddr=0;
- int memtarget=0,c=0;
- int fastload_reg_override=0;
- 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,&fastload_reg_override);
- }
- else {
- if(ram_offset&&memtarget) {
- emit_addimm(temp2,ram_offset,HOST_TEMPREG);
- fastload_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(fastload_reg_override) a=fastload_reg_override;
- emit_readword_indexed(0,a,temp2);
- 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);
-#ifdef BIG_ENDIAN_MIPS
- if (opcode[i]==0x26) // LWR
-#else
- if (opcode[i]==0x22) // LWL
-#endif
- emit_xorimm(temp,24,temp);
- 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);
- }
- emit_or(temp2,tl,tl);
- }
- //emit_storereg(rt1[i],tl); // DEBUG
- }
- if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR
- assert(0);
- }
-}
-#define loadlr_assemble loadlr_assemble_arm
-
-static void c2op_prologue(u_int op,u_int reglist)
+static void c2op_prologue(u_int op, int i, const struct regstat *i_regs, u_int reglist)
{
save_regs_all(reglist);
+ cop2_call_stall_check(op, i, i_regs, 0);
#ifdef PCNT
- emit_movimm(op,0);
- emit_call((int)pcnt_gte_start);
+ emit_movimm(op, 0);
+ emit_far_call(pcnt_gte_start);
#endif
- emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
+ emit_addimm(FP, (u_char *)&psxRegs.CP2D.r[0] - (u_char *)&dynarec_local, 0); // cop2 regs
}
static void c2op_epilogue(u_int op,u_int reglist)
{
#ifdef PCNT
emit_movimm(op,0);
- emit_call((int)pcnt_gte_end);
+ emit_far_call(pcnt_gte_end);
#endif
restore_regs_all(reglist);
}
static void c2op_call_MACtoIR(int lm,int need_flags)
{
if(need_flags)
- emit_call(lm?gteMACtoIR_lm1:gteMACtoIR_lm0);
+ emit_far_call(lm?gteMACtoIR_lm1:gteMACtoIR_lm0);
else
- emit_call(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf);
+ emit_far_call(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf);
}
static void c2op_call_rgb_func(void *func,int lm,int need_ir,int need_flags)
{
- emit_call(func);
+ emit_far_call(func);
// func is C code and trashes r0
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
if(need_flags||need_ir)
c2op_call_MACtoIR(lm,need_flags);
- emit_call(need_flags?gteMACtoRGB:gteMACtoRGB_nf);
+ emit_far_call(need_flags?gteMACtoRGB:gteMACtoRGB_nf);
}
-static void c2op_assemble(int i,struct regstat *i_regs)
+static void c2op_assemble(int i, const struct regstat *i_regs)
{
- u_int c2op=source[i]&0x3f;
- u_int hr,reglist_full=0,reglist;
- int need_flags,need_ir;
- for(hr=0;hr<HOST_REGS;hr++) {
- if(i_regs->regmap[hr]>=0) reglist_full|=1<<hr;
- }
- reglist=reglist_full&CALLER_SAVE_REGS;
+ u_int c2op = source[i] & 0x3f;
+ u_int reglist_full = get_host_reglist(i_regs->regmap);
+ u_int reglist = reglist_full & CALLER_SAVE_REGS;
+ int need_flags, need_ir;
if (gte_handlers[c2op]!=NULL) {
need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
assem_debug("gte op %08x, unneeded %016llx, need_flags %d, need_ir %d\n",
source[i],gte_unneeded[i+1],need_flags,need_ir);
- if(new_dynarec_hacks&NDHACK_GTE_NO_FLAGS)
+ if(HACK_ENABLED(NDHACK_GTE_NO_FLAGS))
need_flags=0;
int shift = (source[i] >> 19) & 1;
int lm = (source[i] >> 10) & 1;
int cv = (source[i] >> 13) & 3;
int mx = (source[i] >> 17) & 3;
reglist=reglist_full&(CALLER_SAVE_REGS|0xf0); // +{r4-r7}
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
/* r4,r5 = VXYZ(v) packed; r6 = &MX11(mx); r7 = &CV1(cv) */
if(v<3)
emit_ldrd(v*8,0,4);
emit_readword(&zeromem_ptr,7);
#ifdef __ARM_NEON__
emit_movimm(source[i],1); // opcode
- emit_call(gteMVMVA_part_neon);
+ emit_far_call(gteMVMVA_part_neon);
if(need_flags) {
emit_movimm(lm,1);
- emit_call(gteMACtoIR_flags_neon);
+ emit_far_call(gteMACtoIR_flags_neon);
}
#else
if(cv==3&&shift)
- emit_call((int)gteMVMVA_part_cv3sh12_arm);
+ emit_far_call((int)gteMVMVA_part_cv3sh12_arm);
else {
emit_movimm(shift,1);
- emit_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
+ emit_far_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
}
if(need_flags||need_ir)
c2op_call_MACtoIR(lm,need_flags);
#endif
#else /* if not HAVE_ARMV5 */
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
emit_movimm(source[i],1); // opcode
emit_writeword(1,&psxRegs.code);
- emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
+ emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
#endif
break;
}
case GTE_OP:
- c2op_prologue(c2op,reglist);
- emit_call(shift?gteOP_part_shift:gteOP_part_noshift);
+ c2op_prologue(c2op,i,i_regs,reglist);
+ emit_far_call(shift?gteOP_part_shift:gteOP_part_noshift);
if(need_flags||need_ir) {
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
c2op_call_MACtoIR(lm,need_flags);
}
break;
case GTE_DPCS:
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
c2op_call_rgb_func(shift?gteDPCS_part_shift:gteDPCS_part_noshift,lm,need_ir,need_flags);
break;
case GTE_INTPL:
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
c2op_call_rgb_func(shift?gteINTPL_part_shift:gteINTPL_part_noshift,lm,need_ir,need_flags);
break;
case GTE_SQR:
- c2op_prologue(c2op,reglist);
- emit_call(shift?gteSQR_part_shift:gteSQR_part_noshift);
+ c2op_prologue(c2op,i,i_regs,reglist);
+ emit_far_call(shift?gteSQR_part_shift:gteSQR_part_noshift);
if(need_flags||need_ir) {
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
c2op_call_MACtoIR(lm,need_flags);
}
break;
case GTE_DCPL:
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
c2op_call_rgb_func(gteDCPL_part,lm,need_ir,need_flags);
break;
case GTE_GPF:
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
c2op_call_rgb_func(shift?gteGPF_part_shift:gteGPF_part_noshift,lm,need_ir,need_flags);
break;
case GTE_GPL:
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
c2op_call_rgb_func(shift?gteGPL_part_shift:gteGPL_part_noshift,lm,need_ir,need_flags);
break;
#endif
default:
- c2op_prologue(c2op,reglist);
+ c2op_prologue(c2op,i,i_regs,reglist);
#ifdef DRC_DBG
emit_movimm(source[i],1); // opcode
emit_writeword(1,&psxRegs.code);
#endif
- emit_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
+ emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
break;
}
c2op_epilogue(c2op,reglist);
}
}
+static void c2op_ctc2_31_assemble(signed char sl, signed char temp)
+{
+ //value = value & 0x7ffff000;
+ //if (value & 0x7f87e000) value |= 0x80000000;
+ emit_shrimm(sl,12,temp);
+ emit_shlimm(temp,12,temp);
+ emit_testimm(temp,0x7f000000);
+ emit_testeqimm(temp,0x00870000);
+ emit_testeqimm(temp,0x0000e000);
+ emit_orrne_imm(temp,0x80000000,temp);
+}
+
+static void do_mfc2_31_one(u_int copr,signed char temp)
+{
+ emit_readword(®_cop2d[copr],temp);
+ emit_testimm(temp,0x8000); // do we need this?
+ emit_andne_imm(temp,0,temp);
+ emit_cmpimm(temp,0xf80);
+ emit_andimm(temp,0xf80,temp);
+ emit_cmovae_imm(0xf80,temp);
+}
+
+static void c2op_mfc2_29_assemble(signed char tl, signed char temp)
+{
+ if (temp < 0) {
+ host_tempreg_acquire();
+ temp = HOST_TEMPREG;
+ }
+ do_mfc2_31_one(9,temp);
+ emit_shrimm(temp,7,tl);
+ do_mfc2_31_one(10,temp);
+ emit_orrshr_imm(temp,2,tl);
+ do_mfc2_31_one(11,temp);
+ emit_orrshl_imm(temp,3,tl);
+ emit_writeword(tl,®_cop2d[29]);
+ if (temp == HOST_TEMPREG)
+ host_tempreg_release();
+}
+
static void multdiv_assemble_arm(int i,struct regstat *i_regs)
{
// case 0x18: MULT
emit_negmi(quotient,quotient); // .. quotient and ..
emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump)
emit_movs(d2,HOST_TEMPREG);
- emit_jeq((int)out+52); // Division by zero
+ emit_jeq(out+52); // Division by zero
emit_negsmi(HOST_TEMPREG,HOST_TEMPREG);
#ifdef HAVE_ARMV5
emit_clz(HOST_TEMPREG,quotient);
emit_movimm(0,quotient);
emit_addpl_imm(quotient,1,quotient);
emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG);
- emit_jns((int)out-2*4);
+ emit_jns(out-2*4);
#endif
emit_orimm(quotient,1<<31,quotient);
emit_shr(quotient,quotient,quotient);
emit_mov(d1,remainder);
emit_movimm(0xffffffff,quotient); // div0 case
emit_test(d2,d2);
- emit_jeq((int)out+40); // Division by zero
+ emit_jeq(out+40); // Division by zero
#ifdef HAVE_ARMV5
emit_clz(d2,HOST_TEMPREG);
emit_movimm(1<<31,quotient);
emit_movimm(0,HOST_TEMPREG);
emit_addpl_imm(HOST_TEMPREG,1,HOST_TEMPREG);
emit_lslpls_imm(d2,1,d2);
- emit_jns((int)out-2*4);
+ emit_jns(out-2*4);
emit_movimm(1<<31,quotient);
#endif
emit_shr(quotient,HOST_TEMPREG,quotient);
}
#define multdiv_assemble multdiv_assemble_arm
+static void do_jump_vaddr(int rs)
+{
+ emit_far_jump(jump_vaddr_reg[rs]);
+}
+
static void do_preload_rhash(int r) {
// Don't need this for ARM. On x86, this puts the value 0xf8 into the
// register. On ARM the hash can be done with a single instruction (below)
emit_cmp(rh,rs);
emit_ldreq_indexed(ht,4,15);
#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
- emit_mov(rs,7);
- emit_jmp(jump_vaddr_reg[7]);
- #else
- emit_jmp(jump_vaddr_reg[rs]);
+ if(rs!=7)
+ emit_mov(rs,7);
+ rs=7;
#endif
+ do_jump_vaddr(rs);
}
static void do_miniht_insert(u_int return_address,int rt,int temp) {
#endif
}
-static void mark_clear_cache(void *target)
-{
- u_long offset = (u_char *)target - translation_cache;
- u_int mask = 1u << ((offset >> 12) & 31);
- if (!(needs_clear_cache[offset >> 17] & mask)) {
- char *start = (char *)((u_long)target & ~4095ul);
- start_tcache_write(start, start + 4096);
- needs_clear_cache[offset >> 17] |= mask;
- }
-}
-
-// Clearing the cache is rather slow on ARM Linux, so mark the areas
-// that need to be cleared, and then only clear these areas once.
-static void do_clear_cache()
-{
- int i,j;
- for (i=0;i<(1<<(TARGET_SIZE_2-17));i++)
- {
- u_int bitmap=needs_clear_cache[i];
- if(bitmap) {
- u_char *start, *end;
- for(j=0;j<32;j++)
- {
- if(bitmap&(1<<j)) {
- start=translation_cache+i*131072+j*4096;
- end=start+4095;
- j++;
- while(j<32) {
- if(bitmap&(1<<j)) {
- end+=4096;
- j++;
- }else{
- end_tcache_write(start, end);
- break;
- }
- }
- }
- }
- needs_clear_cache[i]=0;
- }
- }
-}
-
// CPU-architecture-specific initialization
-static void arch_init() {
+static void arch_init(void)
+{
+ uintptr_t diff = (u_char *)&ndrc->tramp.f - (u_char *)&ndrc->tramp.ops - 8;
+ struct tramp_insns *ops = ndrc->tramp.ops;
+ size_t i;
+ assert(!(diff & 3));
+ assert(diff < 0x1000);
+ start_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops));
+ for (i = 0; i < ARRAY_SIZE(ndrc->tramp.ops); i++)
+ ops[i].ldrpc = 0xe5900000 | rd_rn_rm(15,15,0) | diff; // ldr pc, [=val]
+ end_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops));
}
// vim:shiftwidth=2:expandtab
notaz.gp2x.de / pcsx_rearmed.git / blobdiff