mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-23 14:19:55 -06:00
40b88ab05a
- more reliable code invalidation detection - blocks aren't stopped at any branch, but are being followed if possible to get larger blocks - idle loop recognition - optimised literal loads, load/store cycle counting and loads/stores from constant addresses
76 lines
1.4 KiB
C++
76 lines
1.4 KiB
C++
#ifndef ARMJIT_H
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#define ARMJIT_H
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#include "types.h"
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#include "ARM.h"
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#include "ARM_InstrInfo.h"
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namespace ARMJIT
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{
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enum ExeMemKind
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{
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exeMem_Unmapped = 0,
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exeMem_ITCM,
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exeMem_MainRAM,
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exeMem_SWRAM,
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exeMem_LCDC,
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exeMem_ARM9_BIOS,
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exeMem_ARM7_BIOS,
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exeMem_ARM7_WRAM,
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exeMem_ARM7_WVRAM,
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exeMem_Count
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};
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extern const u32 ExeMemRegionOffsets[];
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extern const u32 ExeMemRegionSizes[];
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typedef u32 (*JitBlockEntry)();
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extern u32 AddrTranslate9[0x2000];
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extern u32 AddrTranslate7[0x4000];
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const u32 ExeMemSpaceSize = 0x518000; // I hate you C++, sometimes I really hate you...
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extern JitBlockEntry FastBlockAccess[ExeMemSpaceSize / 2];
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template <u32 num>
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inline bool IsMapped(u32 addr)
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{
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if (num == 0)
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return AddrTranslate9[(addr & 0xFFFFFFF) >> 15] >= ExeMemRegionSizes[exeMem_Unmapped];
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else
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return AddrTranslate7[(addr & 0xFFFFFFF) >> 14] >= ExeMemRegionSizes[exeMem_Unmapped];
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}
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template <u32 num>
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inline u32 TranslateAddr(u32 addr)
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{
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if (num == 0)
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return AddrTranslate9[(addr & 0xFFFFFFF) >> 15] + (addr & 0x7FFF);
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else
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return AddrTranslate7[(addr & 0xFFFFFFF) >> 14] + (addr & 0x3FFF);
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}
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template <u32 num>
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inline JitBlockEntry LookUpBlock(u32 addr)
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{
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return FastBlockAccess[TranslateAddr<num>(addr) / 2];
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}
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void Init();
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void DeInit();
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void InvalidateByAddr(u32 pseudoPhysical);
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void InvalidateAll();
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void InvalidateITCM(u32 addr);
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void InvalidateByAddr7(u32 addr);
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void CompileBlock(ARM* cpu);
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void ResetBlockCache();
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}
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#endif |