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Add support for DSI exceptions to CachedInterpreter. 

Should be straightforward.  Maybe useful for the purpose of testing.
This commit is contained in:
magumagu 2016-06-29 18:51:42 -07:00 committed by degasus
parent b81d008f92
commit 0f788e0c3d
1 changed files with 31 additions and 6 deletions
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37
Source/Core/Core/PowerPC/CachedInterpreter.cpp
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@ -20,6 +20,7 @@ void CachedInterpreter::Init()
jo.enableBlocklink = false;
JitBaseBlockCache::Init();
UpdateMemoryOptions();
code_block.m_stats = &js.st;
code_block.m_gpa = &js.gpa;
@ -82,14 +83,30 @@ static void WritePC(UGeckoInstruction data)
NPC = data.hex + 4;
}
static void WriteBrokenBlockNPC(UGeckoInstruction data)
{
NPC = data.hex;
}
static bool CheckFPU(u32 data)
{
UReg_MSR& msr = (UReg_MSR&)MSR;
if (!msr.FP)
{
PC = NPC = data;
PowerPC::ppcState.Exceptions |= EXCEPTION_FPU_UNAVAILABLE;
PowerPC::CheckExceptions();
PowerPC::ppcState.downcount -= data;
return true;
}
return false;
}
static bool CheckDSI(u32 data)
{
if (PowerPC::ppcState.Exceptions & EXCEPTION_DSI)
{
PowerPC::CheckExceptions();
PowerPC::ppcState.downcount -= data;
return true;
}
return false;
@ -156,22 +173,29 @@ void CachedInterpreter::Jit(u32 address)
if (!ops[i].skip)
{
if ((ops[i].opinfo->flags & FL_USE_FPU) && !js.firstFPInstructionFound)
bool check_fpu = (ops[i].opinfo->flags & FL_USE_FPU) && !js.firstFPInstructionFound;
bool endblock = (ops[i].opinfo->flags & FL_ENDBLOCK) != 0;
bool memcheck = (ops[i].opinfo->flags & FL_LOADSTORE) && jo.memcheck;
if (check_fpu)
{
m_code.emplace_back(CheckFPU, ops[i].address);
m_code.emplace_back(WritePC, ops[i].address);
m_code.emplace_back(CheckFPU, js.downcountAmount);
js.firstFPInstructionFound = true;
}
if (ops[i].opinfo->flags & FL_ENDBLOCK)
if (endblock || memcheck)
m_code.emplace_back(WritePC, ops[i].address);
m_code.emplace_back(GetInterpreterOp(ops[i].inst), ops[i].inst);
if (ops[i].opinfo->flags & FL_ENDBLOCK)
if (memcheck)
m_code.emplace_back(CheckDSI, js.downcountAmount);
if (endblock)
m_code.emplace_back(EndBlock, js.downcountAmount);
}
}
if (code_block.m_broken)
{
m_code.emplace_back(WritePC, nextPC);
m_code.emplace_back(WriteBrokenBlockNPC, nextPC);
m_code.emplace_back(EndBlock, js.downcountAmount);
}
m_code.emplace_back();
@ -186,6 +210,7 @@ void CachedInterpreter::ClearCache()
{
m_code.clear();
JitBaseBlockCache::Clear();
UpdateMemoryOptions();
}
void CachedInterpreter::WriteDestroyBlock(const u8* location, u32 address)