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Core: Do not fail on checking delay slot, if it is invalid memory

This commit is contained in:
zilmar 2022-08-22 13:02:25 +09:30
parent 9b16d29792
commit f3a392489a
2 changed files with 11 additions and 34 deletions
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8
Source/Project64-core/N64System/Recompiler/CodeBlock.cpp
View File

@ -597,11 +597,9 @@ bool CCodeBlock::AnalyzeInstruction(uint32_t PC, uint32_t & TargetPC, uint32_t &
ContinuePC = PC + 8;
}
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(PC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (TargetPC == PC && !R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
if (TargetPC == PC &&
g_MMU->MemoryValue32(PC + 4, DelaySlot.Value) &&
!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}

37
Source/Project64-core/N64System/Recompiler/x86/x86RecompilerOps.cpp
View File

@ -477,11 +477,7 @@ void CX86RecompilerOps::Compile_Branch(RecompilerBranchCompare CompareType, bool
if ((m_CompilePC & 0xFFC) != 0xFFC)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
m_EffectDelaySlot = R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value);
m_EffectDelaySlot = g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value) && R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value);
}
else
{
@ -4325,12 +4321,8 @@ void CX86RecompilerOps::SPECIAL_JR()
m_Section->m_Cont.LinkLocation2 = nullptr;
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value))
if (g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value) &&
R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
if (IsConst(m_Opcode.rs))
{
@ -4350,12 +4342,7 @@ void CX86RecompilerOps::SPECIAL_JR()
else if (m_PipelineStage == PIPELINE_STAGE_DELAY_SLOT_DONE)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value))
if (g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value) && R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
CompileExit(m_CompilePC, (uint32_t)-1, m_RegWorkingSet, CExitInfo::Normal, true, nullptr);
}
@ -4393,12 +4380,8 @@ void CX86RecompilerOps::SPECIAL_JALR()
if (m_PipelineStage == PIPELINE_STAGE_NORMAL)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value) && (m_CompilePC & 0xFFC) != 0xFFC)
if (g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value) &&
R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value) && (m_CompilePC & 0xFFC) != 0xFFC)
{
if (IsConst(m_Opcode.rs))
{
@ -4444,12 +4427,8 @@ void CX86RecompilerOps::SPECIAL_JALR()
else if (m_PipelineStage == PIPELINE_STAGE_DELAY_SLOT_DONE)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value))
if (g_MMU->MemoryValue32(m_CompilePC + 4, DelaySlot.Value) &&
R4300iInstruction(m_CompilePC, m_Opcode.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
CompileExit(m_CompilePC, (uint32_t)-1, m_RegWorkingSet, CExitInfo::Normal, true, nullptr);
}