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Skipped the EE check if there is a CP interrupt pending. 

Fixes issue 4336.
This commit is contained in:
skidau 2013-03-01 00:59:38 +11:00
parent b83a1e3b66
commit 0399959c39
1 changed files with 10 additions and 5 deletions
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15
Source/Core/Core/Src/PowerPC/Jit64/Jit_SystemRegisters.cpp
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@ -28,6 +28,7 @@
#include "Jit.h"
#include "JitRegCache.h"
#include "HW/ProcessorInterface.h"
void Jit64::mtspr(UGeckoInstruction inst)
{
@ -126,19 +127,23 @@ void Jit64::mtmsr(UGeckoInstruction inst)
// If some exceptions are pending and EE are now enabled, force checking
// external exceptions when going out of mtmsr in order to execute delayed
// interrupts as soon as possible.
MOV(32, R(EAX), M(&MSR));
TEST(32, R(EAX), Imm32(0x8000));
TEST(32, M(&MSR), Imm32(0x8000));
FixupBranch eeDisabled = J_CC(CC_Z);
MOV(32, R(EAX), M((void*)&PowerPC::ppcState.Exceptions));
TEST(32, R(EAX), Imm32(EXCEPTION_EXTERNAL_INT | EXCEPTION_PERFORMANCE_MONITOR | EXCEPTION_DECREMENTER));
TEST(32, M((void*)&PowerPC::ppcState.Exceptions), Imm32(EXCEPTION_EXTERNAL_INT | EXCEPTION_PERFORMANCE_MONITOR | EXCEPTION_DECREMENTER));
FixupBranch noExceptionsPending = J_CC(CC_Z);
// Check if a CP interrupt is waiting and keep the GPU emulation in sync (issue 4336)
TEST(32, M((void *)&ProcessorInterface::m_InterruptCause), Imm32(ProcessorInterface::INT_CAUSE_CP));
FixupBranch cpInt = J_CC(CC_NZ);
MOV(32, M(&PC), Imm32(js.compilerPC + 4));
WriteExternalExceptionExit();
SetJumpTarget(eeDisabled);
SetJumpTarget(cpInt);
SetJumpTarget(noExceptionsPending);
SetJumpTarget(eeDisabled);
WriteExit(js.compilerPC + 4, 0);
js.firstFPInstructionFound = false;