piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-24 06:39:58 -06:00
Code Issues Packages Projects Releases Wiki Activity

decrease jit block cache address granularity

Browse Source 
fixes Dragon Quest IX
move code with side effects out of assert, fixes release build
(thanks to m4wx for this one)
also remove some leftovers of jit pipelining
This commit is contained in:
RSDuck
2019-10-16 23:39:12 +02:00
parent 7424f9fda0
commit aa23f21b8d
6 changed files with 62 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
src/ARMJIT.cpp
View File

@ -106,7 +106,7 @@ u32 AddrTranslate9[0x2000];
u32 AddrTranslate7[0x4000];
JitBlockEntry FastBlockAccess[ExeMemSpaceSize / 2];
AddressRange CodeRanges[ExeMemSpaceSize / 256];
AddressRange CodeRanges[ExeMemSpaceSize / 512];
TinyVector<JitBlock*> JitBlocks;
JitBlock* RestoreCandidates[0x1000] = {NULL};
@ -285,6 +285,13 @@ InterpreterFunc InterpretARM[ARMInstrInfo::ak_Count] =
#undef F_MEM_HD
#undef F
void T_BL_LONG(ARM* cpu)
{
ARMInterpreter::T_BL_LONG_1(cpu);
cpu->R[15] += 2;
ARMInterpreter::T_BL_LONG_2(cpu);
}
#define F(x) ARMInterpreter::T_##x
InterpreterFunc InterpretTHUMB[ARMInstrInfo::tk_Count] =
{
@ -302,7 +309,7 @@ InterpreterFunc InterpretTHUMB[ARMInstrInfo::tk_Count] =
F(PUSH), F(POP), F(LDMIA), F(STMIA),
F(BCOND), F(BX), F(BLX_REG), F(B), F(BL_LONG_1), F(BL_LONG_2),
F(UNK), F(SVC),
NULL // BL_LONG psudo opcode
T_BL_LONG // BL_LONG psudo opcode
};
#undef F
@ -341,7 +348,7 @@ void CompileBlock(ARM* cpu)
JIT_DEBUGPRINT("start block %x (%x) %p %p (region invalidates %dx)\n",
blockAddr, pseudoPhysicalAddr, FastBlockAccess[pseudoPhysicalAddr / 2],
cpu->Num == 0 ? LookUpBlock<0>(blockAddr) : LookUpBlock<1>(blockAddr),
CodeRanges[pseudoPhysicalAddr / 256].TimesInvalidated);
CodeRanges[pseudoPhysicalAddr / 512].TimesInvalidated);
u32 lastSegmentStart = blockAddr;
@ -352,7 +359,7 @@ void CompileBlock(ARM* cpu)
instrs[i].BranchFlags = 0;
instrs[i].SetFlags = 0;
instrs[i].Instr = nextInstr[0];
instrs[i].NextInstr[0] = nextInstr[0] = nextInstr[1];
nextInstr[0] = nextInstr[1];
instrs[i].Addr = nextInstrAddr[0];
nextInstrAddr[0] = nextInstrAddr[1];
@ -361,7 +368,7 @@ void CompileBlock(ARM* cpu)
u32 translatedAddr = (cpu->Num == 0
? TranslateAddr<0>(instrs[i].Addr)
: TranslateAddr<1>(instrs[i].Addr)) & ~0xFF;
: TranslateAddr<1>(instrs[i].Addr)) & ~0x1FF;
if (i == 0 || translatedAddr != addresseRanges[numAddressRanges - 1])
{
bool returning = false;
@ -400,7 +407,6 @@ void CompileBlock(ARM* cpu)
nextInstr[1] = cpuv4->CodeRead32(r15);
instrs[i].CodeCycles = cpu->CodeCycles;
}
instrs[i].NextInstr[1] = nextInstr[1];
instrs[i].Info = ARMInstrInfo::Decode(thumb, cpu->Num, instrs[i].Instr);
cpu->R[15] = r15;
@ -584,7 +590,7 @@ void CompileBlock(ARM* cpu)
for (int j = 0; j < numAddressRanges; j++)
{
assert(addresseRanges[j] == block->AddressRanges()[j]);
CodeRanges[addresseRanges[j] / 256].Blocks.Add(block);
CodeRanges[addresseRanges[j] / 512].Blocks.Add(block);
}
FastBlockAccess[block->PseudoPhysicalAddr / 2] = block->EntryPoint;
@ -595,7 +601,7 @@ void CompileBlock(ARM* cpu)
void InvalidateByAddr(u32 pseudoPhysical)
{
JIT_DEBUGPRINT("invalidating by addr %x\n", pseudoPhysical);
AddressRange* range = &CodeRanges[pseudoPhysical / 256];
AddressRange* range = &CodeRanges[pseudoPhysical / 512];
int startLength = range->Blocks.Length;
for (int i = 0; i < range->Blocks.Length; i++)
{
@ -604,15 +610,17 @@ void InvalidateByAddr(u32 pseudoPhysical)
for (int j = 0; j < block->NumAddresses; j++)
{
u32 addr = block->AddressRanges()[j];
if ((addr / 256) != (pseudoPhysical / 256))
if ((addr / 512) != (pseudoPhysical / 512))
{
AddressRange* otherRange = &CodeRanges[addr / 256];
AddressRange* otherRange = &CodeRanges[addr / 512];
assert(otherRange != range);
assert(otherRange->Blocks.RemoveByValue(block));
bool removed = otherRange->Blocks.RemoveByValue(block);
assert(removed);
}
}
assert(JitBlocks.RemoveByValue(block));
bool removed = JitBlocks.RemoveByValue(block);
assert(removed);
FastBlockAccess[block->PseudoPhysicalAddr / 2] = NULL;
@ -631,14 +639,14 @@ void InvalidateByAddr(u32 pseudoPhysical)
void InvalidateByAddr7(u32 addr)
{
u32 pseudoPhysical = TranslateAddr<1>(addr);
if (__builtin_expect(CodeRanges[pseudoPhysical / 256].Blocks.Length > 0, false))
if (__builtin_expect(CodeRanges[pseudoPhysical / 512].Blocks.Length > 0, false))
InvalidateByAddr(pseudoPhysical);
}
void InvalidateITCM(u32 addr)
{
u32 pseudoPhysical = addr + ExeMemRegionOffsets[exeMem_ITCM];
if (CodeRanges[pseudoPhysical / 256].Blocks.Length > 0)
if (CodeRanges[pseudoPhysical / 512].Blocks.Length > 0)
InvalidateByAddr(pseudoPhysical);
}
@ -654,7 +662,7 @@ void InvalidateAll()
for (int j = 0; j < block->NumAddresses; j++)
{
u32 addr = block->AddressRanges()[j];
AddressRange* range = &CodeRanges[addr / 256];
AddressRange* range = &CodeRanges[addr / 512];
range->Blocks.Clear();
if (range->TimesInvalidated + 1 > range->TimesInvalidated)
range->TimesInvalidated++;
@ -689,8 +697,8 @@ void ResetBlockCache()
for (int j = 0; j < block->NumAddresses; j++)
{
u32 addr = block->AddressRanges()[j];
CodeRanges[addr / 256].Blocks.Clear();
CodeRanges[addr / 256].TimesInvalidated = 0;
CodeRanges[addr / 512].Blocks.Clear();
CodeRanges[addr / 512].TimesInvalidated = 0;
}
delete block;
}