char shadow[1048576] __attribute__((aligned(16)));
void *copy;
int expirep;
-#ifndef PCSX
- u_int using_tlb;
-#else
static const u_int using_tlb=0;
-#endif
int new_dynarec_did_compile;
int new_dynarec_hacks;
u_int stop_after_jal;
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
// Get address from virtual address
// This is called from the recompiled JR/JALR instructions
//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);
}
}
-#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;
-}
-#endif
-
#ifdef __i386__
#include "assem_x86.c"
#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));
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;
- }
- }
-#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; }
return;
}
}
-#endif
invalidate_block(addr>>12);
}
#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
}
// Add an entry to jump_out after making a link
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;
}
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))) {
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);
//printf("page=%x, addr=%x\n",page,head->vaddr);
//assert(head->vaddr>>12==(page|0x80000));
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);
}
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()
//printf("load_assemble: c=%d\n",c);
//if(c) printf("load_assemble: const=%x\n",(int)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)
||rt1[i]==0) {
// could be FIFO, must perform the 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);
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
+ jaddr=emit_fastpath_cmp_jump(i,addr,&faststore_reg_override);
}
else if(ram_offset&&memtarget) {
emit_addimm(addr,ram_offset,HOST_TEMPREG);
}
type=STORED_STUB;
}
-#ifdef PCSX
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);
jaddr=0;
}
-#endif
if(!using_tlb&&!(i_regs->waswritten&(1<<rs1[i]))&&!(new_dynarec_hacks&NDHACK_NO_SMC_CHECK)) {
if(!c||memtarget) {
#ifdef DESTRUCTIVE_SHIFT
void c1ls_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
- {
- 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);
- }
- }
- 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);
- }
- if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1
- do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr2);
- }
- }
- 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
- }
- }
- 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);
- }
- if (opcode[i]==0x35) { // LDC1 (write double)
- emit_writeword_indexed(th,4,temp);
- emit_writeword_indexed(tl,0,temp);
- }
- //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();
- }/**/
-#else
cop1_unusable(i, i_regs);
-#endif
}
void c2ls_assemble(int i,struct regstat *i_regs)
if(addr&1) return 0; // Indirect (register) jump
if(addr>=start && addr<start+slen*4-4)
{
- int t=(addr-start)>>2;
+ //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
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;
}
// 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) {
// 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);
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);
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);
}
}
//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;
// Delay slots require additional processing, so do not match
//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
if(itype[i+1]==COP0&&(source[i+1]&0x3f)==0x10)
// special case for RFE
emit_jmp(0);
else
-#endif
- emit_jns(0);
+ emit_jns(0);
//load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,-1);
#ifdef USE_MINI_HT
if(rs1[i]==31) {
}
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()
+// Write back dirty registers as soon as we will no longer modify them,
+// so that we don't end up with lots of writes at the branches.
+void clean_registers(int istart,int iend,int wr)
{
- int i,j;
- uint64_t is32=1;
- uint64_t lastbranch=1;
-
- for(i=0;i<slen;i++)
+ int i;
+ int r;
+ u_int will_dirty_i,will_dirty_next,temp_will_dirty;
+ u_int wont_dirty_i,wont_dirty_next,temp_wont_dirty;
+ if(iend==slen-1) {
+ will_dirty_i=will_dirty_next=0;
+ wont_dirty_i=wont_dirty_next=0;
+ }else{
+ will_dirty_i=will_dirty_next=will_dirty[iend+1];
+ wont_dirty_i=wont_dirty_next=wont_dirty[iend+1];
+ }
+ for (i=iend;i>=istart;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]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
{
- 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(ba[i]<start || ba[i]>=(start+slen*4))
{
- 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];
- }
- }
- }
- }
-}
-
-// Write back dirty registers as soon as we will no longer modify them,
-// so that we don't end up with lots of writes at the branches.
-void clean_registers(int istart,int iend,int wr)
-{
- int i;
- int r;
- u_int will_dirty_i,will_dirty_next,temp_will_dirty;
- u_int wont_dirty_i,wont_dirty_next,temp_wont_dirty;
- if(iend==slen-1) {
- will_dirty_i=will_dirty_next=0;
- wont_dirty_i=wont_dirty_next=0;
- }else{
- will_dirty_i=will_dirty_next=will_dirty[iend+1];
- wont_dirty_i=wont_dirty_next=wont_dirty[iend+1];
- }
- for (i=iend;i>=istart;i--)
- {
- 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, flush all regs
- if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000)
+ // Branch out of this block, flush all regs
+ if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000)
{
// Unconditional branch
will_dirty_i=0;
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);
// not all systems allow execute in data segment by default
if (mprotect(out, 1<<TARGET_SIZE_2, PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
SysPrintf("mprotect() failed: %s\n", strerror(errno));
-#endif
-#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;
#endif
int n;
cycle_multiplier=200;
// 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
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;
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 0x18: strcpy(insn[i],"ERET"); type=COP0; break;
}
}
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) {
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;
SysPrintf("NI %08x @%08x (%08x)\n", source[i], addr + i*4, addr);
break;
else if(type==CJUMP||type==SJUMP||type==FJUMP)
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)) {
int do_in_intrp=0;
// branch in delay slot?
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)
int cc=0;
int hr=-1;
-#ifndef FORCE32
- provisional_32bit();
-#endif
if((u_int)addr&1) {
// First instruction is delay slot
cc=-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(i+1<slen) {
current.u=unneeded_reg[i+1]&~((1LL<<rs1[i])|(1LL<<rs2[i]));
{
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
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
for (i=slen-1;i>=0;i--)
{
if(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)
}
}
}
-#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]);
#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((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
}
u_int instr_addr0_override=0;
-#ifdef PCSX
if (start == 0x80030000) {
// nasty hack for fastbios thing
// override block entry to this code
emit_cmp(0,1);
emit_jne((int)new_dyna_leave);
}
-#endif
for(i=0;i<slen;i++)
{
//if(ds) printf("ds: ");
#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]);
}
// 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 */
notaz.gp2x.de / pcsx_rearmed.git / blobdiff