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Fixes games that use the MMU to page in code(Rogue Leader).

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The issue was that on memory exception we wouldn't call in to PPCAnalyst and our code_block would retain the previous blocks information.
This would cause us to compile the previous blocks instructions in prior to the exception exit.
This commit is contained in:
Ryan Houdek
2014-05-09 09:10:45 -05:00
parent b4e1ac5f08
commit cdec575bef
6 changed files with 31 additions and 73 deletions
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20
Source/Core/Core/PowerPC/PPCAnalyst.cpp
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@ -15,7 +15,7 @@
#include "Core/PowerPC/PPCSymbolDB.h"
#include "Core/PowerPC/PPCTables.h"
#include "Core/PowerPC/SignatureDB.h"
#include "Core/PowerPC/Interpreter/Interpreter.h"
#include "Core/PowerPC/JitCommon/JitCache.h"
// Analyzes PowerPC code in memory to find functions
// After running, for each function we will know what functions it calls
@ -543,8 +543,26 @@ u32 PPCAnalyzer::Analyze(u32 address, CodeBlock *block, CodeBuffer *buffer, u32
// Reset our block state
block->m_broken = false;
block->m_memory_exception = false;
block->m_num_instructions = 0;
if (address == 0)
{
// Memory exception occurred during instruction fetch
block->m_memory_exception = true;
return address;
}
if (Core::g_CoreStartupParameter.bMMU && (address & JIT_ICACHE_VMEM_BIT))
{
if (!Memory::TranslateAddress(address, Memory::FLAG_OPCODE))
{
// Memory exception occurred during instruction fetch
block->m_memory_exception = true;
return address;
}
}
CodeOp *code = buffer->codebuffer;
bool found_exit = false;