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rewrite JIT memory emulation

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This commit is contained in:
RSDuck
2020-05-09 00:45:05 +02:00
parent b902cd1b8e
commit 052ff73672
14 changed files with 1494 additions and 844 deletions
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65
src/ARMJIT.h
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@ -28,45 +28,60 @@ extern const u32 ExeMemRegionSizes[];
typedef u32 (*JitBlockEntry)();
extern u32 AddrTranslate9[0x2000];
extern u32 AddrTranslate7[0x4000];
const u32 ExeMemSpaceSize = 0x518000; // I hate you C++, sometimes I really hate you...
template <u32 num>
inline bool IsMapped(u32 addr)
{
if (num == 0)
return AddrTranslate9[(addr & 0xFFFFFFF) >> 15] >= ExeMemRegionSizes[exeMem_Unmapped];
else
return AddrTranslate7[(addr & 0xFFFFFFF) >> 14] >= ExeMemRegionSizes[exeMem_Unmapped];
}
template <u32 num>
inline u32 TranslateAddr(u32 addr)
{
if (num == 0)
return AddrTranslate9[(addr & 0xFFFFFFF) >> 15] + (addr & 0x7FFF);
else
return AddrTranslate7[(addr & 0xFFFFFFF) >> 14] + (addr & 0x3FFF);
}
u32 TranslateAddr9(u32 addr);
u32 TranslateAddr7(u32 addr);
template <u32 Num>
JitBlockEntry LookUpBlockEntry(u32 addr);
void Init();
void DeInit();
void InvalidateByAddr(u32 pseudoPhysical, bool mayRestore = true);
void InvalidateAll();
void Reset();
void InvalidateITCM(u32 addr);
void InvalidateByAddr7(u32 addr);
void InvalidateByAddr(u32 pseudoPhysical);
void InvalidateRegionIfNecessary(u32 addr);
inline void InvalidateMainRAMIfNecessary(u32 addr)
{
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_MainRAM] + (addr & (MAIN_RAM_SIZE - 1)));
}
inline void InvalidateITCMIfNecessary(u32 addr)
{
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_ITCM] + (addr & 0x7FFF));
}
inline void InvalidateLCDCIfNecessary(u32 addr)
{
if (addr < 0x68A3FFF)
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_LCDC] + (addr - 0x6800000));
}
inline void InvalidateSWRAM7IfNecessary(u32 addr)
{
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_SWRAM] + (NDS::SWRAM_ARM7 - NDS::SharedWRAM) + (addr & NDS::SWRAM_ARM7Mask));
}
inline void InvalidateSWRAM9IfNecessary(u32 addr)
{
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_SWRAM] + (NDS::SWRAM_ARM9 - NDS::SharedWRAM) + (addr & NDS::SWRAM_ARM9Mask));
}
inline void InvalidateARM7WRAMIfNecessary(u32 addr)
{
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_ARM7_WRAM] + (addr & 0xFFFF));
}
inline void InvalidateARM7WVRAMIfNecessary(u32 addr)
{
InvalidateRegionIfNecessary(ExeMemRegionOffsets[exeMem_ARM7_WVRAM] + (addr & 0x1FFFF));
}
void CompileBlock(ARM* cpu);
void ResetBlockCache();
void UpdateMemoryStatus9(u32 start, u32 end);
void UpdateMemoryStatus7(u32 start, u32 end);
}
extern "C" void ARM_Dispatch(ARM* cpu, ARMJIT::JitBlockEntry entry);