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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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7
src/core/cpu_core.h
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@ -68,6 +68,7 @@ struct State
bool next_instruction_is_branch_delay_slot = false;
bool branch_was_taken = false;
bool exception_raised = false;
bool bus_error = false;
// load delays
Reg load_delay_reg = Reg::count;
@ -84,7 +85,8 @@ struct State
// 4 bytes of padding here on x64
bool use_debug_dispatcher = false;
u8* fastmem_base = nullptr;
void* fastmem_base = nullptr;
void** memory_handlers = nullptr;
// data cache (used as scratchpad)
std::array<u8, DCACHE_SIZE> dcache = {};
@ -102,7 +104,8 @@ void Shutdown();
void Reset();
bool DoState(StateWrapper& sw);
void ClearICache();
void UpdateFastmemBase();
void UpdateMemoryPointers();
void ExecutionModeChanged();
/// Executes interpreter loop.
void Execute();