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CPU/Recompiler: Add register allocation safety check to fastmem

This commit is contained in:
Connor McLaughlin 2020-10-26 21:56:56 +10:00
parent f2e1159173
commit cbc7e3d64a
3 changed files with 15 additions and 3 deletions
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2
src/core/cpu_code_cache.cpp
View File

@ -305,7 +305,7 @@ void ExecuteRecompiler()
const u32 pc = g_state.regs.pc;
g_state.current_instruction_pc = pc;
const u32 fast_map_index = GetFastMapIndex(pc);
s_fast_map[fast_map_index]();
s_single_block_asm_dispatcher[fast_map_index]();
}
TimingEvents::RunEvents();

9
src/core/cpu_recompiler_code_generator_aarch64.cpp
View File

@ -1336,7 +1336,8 @@ void CodeGenerator::EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi,
actual_address = a64::MemOperand(GetFastmemBasePtrReg(), GetHostReg32(address));
}
// TODO: movsx/zx inline here
m_register_cache.InhibitAllocation();
switch (size)
{
case RegSize_8:
@ -1370,6 +1371,7 @@ void CodeGenerator::EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi,
EmitBranch(GetCurrentNearCodePointer(), false);
SwitchToNearCode();
m_register_cache.UnunhibitAllocation();
m_block->loadstore_backpatch_info.push_back(bpi);
}
@ -1472,6 +1474,8 @@ void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi,
actual_address = a64::MemOperand(GetFastmemBasePtrReg(), GetHostReg32(address));
}
m_register_cache.InhibitAllocation();
switch (value.size)
{
case RegSize_8:
@ -1504,6 +1508,7 @@ void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi,
EmitBranch(GetCurrentNearCodePointer(), false);
SwitchToNearCode();
m_register_cache.UnunhibitAllocation();
m_block->loadstore_backpatch_info.push_back(bpi);
}
@ -2124,6 +2129,8 @@ CodeCache::SingleBlockDispatcherFunction CodeGenerator::CompileSingleBlockDispat
m_register_cache.ReserveCalleeSavedRegisters();
const u32 stack_adjust = PrepareStackForCall();
EmitLoadGlobalAddress(RCPUPTR, &g_state);
m_emit->blr(GetHostReg64(RARG1));
RestoreStackAfterCall(stack_adjust);

7
src/core/cpu_recompiler_code_generator_x64.cpp
View File

@ -1824,7 +1824,8 @@ void CodeGenerator::EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi,
bpi.host_pc = GetCurrentNearCodePointer();
}
// TODO: movsx/zx inline here
m_register_cache.InhibitAllocation();
switch (size)
{
case RegSize_8:
@ -1896,6 +1897,7 @@ void CodeGenerator::EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi,
m_emit->jmp(GetCurrentNearCodePointer());
SwitchToNearCode();
m_register_cache.UnunhibitAllocation();
m_block->loadstore_backpatch_info.push_back(bpi);
}
@ -1993,6 +1995,8 @@ void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi,
bpi.host_pc = GetCurrentNearCodePointer();
}
m_register_cache.InhibitAllocation();
switch (value.size)
{
case RegSize_8:
@ -2107,6 +2111,7 @@ void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi,
m_emit->jmp(GetCurrentNearCodePointer());
SwitchToNearCode();
m_register_cache.UnunhibitAllocation();
m_block->loadstore_backpatch_info.push_back(bpi);
}