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CPU: Use lookup tables for memory access

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This commit is contained in:
Stenzek
2023-10-01 16:30:28 +10:00
parent 05fe925409
commit 56fc207af6
9 changed files with 1930 additions and 1530 deletions
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13
src/core/cpu_core_private.h
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@ -102,16 +102,11 @@ ALWAYS_INLINE static VirtualMemoryAddress PhysicalAddressToVirtual(PhysicalMemor
return bases[static_cast<u32>(segment)] | address;
}
// defined in bus.cpp - memory access functions which return false if an exception was thrown.
bool FetchInstruction();
bool FetchInstructionForInterpreterFallback();
Bus::MemoryReadHandler GetMemoryReadHandler(VirtualMemoryAddress address, MemoryAccessSize size);
Bus::MemoryWriteHandler GetMemoryWriteHandler(VirtualMemoryAddress address, MemoryAccessSize size);
// memory access functions which return false if an exception was thrown.
bool SafeReadInstruction(VirtualMemoryAddress addr, u32* value);
bool ReadMemoryByte(VirtualMemoryAddress addr, u8* value);
bool ReadMemoryHalfWord(VirtualMemoryAddress addr, u16* value);
bool ReadMemoryWord(VirtualMemoryAddress addr, u32* value);
bool WriteMemoryByte(VirtualMemoryAddress addr, u32 value);
bool WriteMemoryHalfWord(VirtualMemoryAddress addr, u32 value);
bool WriteMemoryWord(VirtualMemoryAddress addr, u32 value);
void* GetDirectReadMemoryPointer(VirtualMemoryAddress address, MemoryAccessSize size, TickCount* read_ticks);
void* GetDirectWriteMemoryPointer(VirtualMemoryAddress address, MemoryAccessSize size);