project64/Source/Project64/N64 System/Recompiler/Code Block.cpp

90 lines
2.4 KiB
C++

#include "stdafx.h"
CCodeBlock::CCodeBlock(DWORD VAddrEnter, BYTE * RecompPos) :
m_VAddrEnter(VAddrEnter),
m_VAddrFirst(VAddrEnter),
m_VAddrLast(VAddrEnter),
m_CompiledLocation(RecompPos),
m_NoOfSections(1),
m_EnterSection(this, VAddrEnter, 1),
m_Test(1)
{
if (_TransVaddr->VAddrToRealAddr(VAddrEnter,*(reinterpret_cast<void **>(&m_MemLocation[0]))))
{
m_MemLocation[1] = m_MemLocation[0] + 1;
m_MemContents[0] = *m_MemLocation[0];
m_MemContents[1] = *m_MemLocation[1];
} else {
memset(m_MemLocation,0,sizeof(m_MemLocation));
memset(m_MemContents,0,sizeof(m_MemContents));
}
AnalyseBlock();
}
bool CCodeBlock::AnalyseBlock ( void )
{
if (bLinkBlocks())
{
if (!m_EnterSection.CreateSectionLinkage ()) { return false; }
m_EnterSection.DetermineLoop(NextTest(),NextTest(), m_EnterSection.m_SectionID);
while (m_EnterSection.FixConstants(NextTest())) {}
}
return true;
}
bool CCodeBlock::Compile()
{
CPU_Message("====== Code Block ======");
CPU_Message("x86 code at: %X",CompiledLocation());
CPU_Message("Start of Block: %X",VAddrEnter() );
CPU_Message("No of Sections: %d",NoOfSections() );
CPU_Message("====== recompiled code ======");
EnterCodeBlock();
/*if (bLinkBlocks()) {
for (int i = 0; i < m_NoOfSections; i ++) {
m_EnterSection.DisplaySectionInformation(i + 1,NextTest());
}
}*/
if (_SyncSystem) {
//if ((DWORD)BlockInfo.CompiledLocation == 0x60A7B73B) { X86BreakPoint(__FILE__,__LINE__); }
//MoveConstToVariable((DWORD)BlockInfo.CompiledLocation,&CurrentBlock,"CurrentBlock");
}
if (bLinkBlocks()) {
while (m_EnterSection.GenerateX86Code(NextTest()));
} else {
if (!m_EnterSection.GenerateX86Code(NextTest()))
{
return false;
}
}
CompileExitCode();
DWORD PAddr;
_TransVaddr->TranslateVaddr(VAddrFirst(),PAddr);
MD5(_MMU->Rdram() + PAddr,(VAddrLast() - VAddrFirst()) + 4).get_digest(m_Hash);
return true;
}
void CCodeBlock::CompileExitCode ( void )
{
for (EXIT_LIST::iterator ExitIter = m_ExitInfo.begin(); ExitIter != m_ExitInfo.end(); ExitIter++)
{
CPU_Message("");
CPU_Message(" $Exit_%d",ExitIter->ID);
SetJump32(ExitIter->JumpLoc,(DWORD *)m_RecompPos);
m_NextInstruction = ExitIter->NextInstruction;
m_EnterSection.CompileExit((DWORD)-1, ExitIter->TargetPC,ExitIter->ExitRegSet,ExitIter->reason,true,NULL);
}
}
DWORD CCodeBlock::NextTest ( void )
{
m_Test += 1;
return m_Test;
}