project64/Source/Project64-core/N64System/Recompiler/CodeBlock.cpp

953 lines
30 KiB
C++

#include "stdafx.h"
#include <Project64-core/N64System/Mips/R4300iInstruction.h>
#include <Project64-core/N64System/N64System.h>
#include <Project64-core/N64System/Recompiler/Arm/ArmRecompilerOps.h>
#include <Project64-core/N64System/Recompiler/CodeBlock.h>
#include <Project64-core/N64System/Recompiler/x86/x86RecompilerOps.h>
#include <Project64-core/N64System/SystemGlobals.h>
#include <string.h>
#if defined(ANDROID) && (defined(__arm__) || defined(_M_ARM))
/* bug-fix to implement __clear_cache (missing in Android; http://code.google.com/p/android/issues/detail?id=1803) */
extern "C" void __clear_cache_android(uint8_t * begin, uint8_t * end);
#endif
CCodeBlock::CCodeBlock(CMipsMemoryVM & MMU, CRegisters & Reg, uint32_t VAddrEnter) :
m_MMU(MMU),
m_VAddrEnter(VAddrEnter),
m_VAddrFirst(VAddrEnter),
m_VAddrLast(VAddrEnter),
m_CompiledLocation(nullptr),
m_EnterSection(nullptr),
m_RecompilerOps(nullptr),
m_Test(1)
{
m_Environment = asmjit::Environment::host();
m_CodeHolder.init(m_Environment);
m_CodeHolder.setErrorHandler(this);
#if defined(__arm__) || defined(_M_ARM)
// Make sure function starts at an odd address so that the system knows it is in thumb mode
if (((uint32_t)m_CompiledLocation % 2) == 0)
{
m_CompiledLocation += 1;
}
#endif
#if defined(__i386__) || defined(_M_IX86)
m_RecompilerOps = new CX86RecompilerOps(MMU, Reg, *this);
#elif defined(__amd64__) || defined(_M_X64)
m_RecompilerOps = new CX64RecompilerOps(MMU, Reg, *this);
#elif defined(__arm__) || defined(_M_ARM)
m_RecompilerOps = new CArmRecompilerOps(MMU, *this);
#else
g_Notify->BreakPoint(__FILE__, __LINE__);
#endif
if (m_RecompilerOps == nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return;
}
CCodeSection * baseSection = new CCodeSection(*this, VAddrEnter, 0, false);
if (baseSection == nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
m_Sections.push_back(baseSection);
baseSection->AddParent(nullptr);
baseSection->m_EnterLabel = asmjit::Label(1);
baseSection->m_Cont.JumpPC = VAddrEnter;
baseSection->m_Cont.FallThrough = true;
baseSection->m_Cont.RegSet = baseSection->m_RegEnter;
m_EnterSection = new CCodeSection(*this, VAddrEnter, 1, true);
if (m_EnterSection == nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
baseSection->m_ContinueSection = m_EnterSection;
m_EnterSection->AddParent(baseSection);
m_Sections.push_back(m_EnterSection);
m_SectionMap.insert(SectionMap::value_type(VAddrEnter, m_EnterSection));
memset(m_MemLocation, 0, sizeof(m_MemLocation));
memset(m_MemContents, 0, sizeof(m_MemContents));
m_MemLocation[0] = (uint64_t *)MMU.MemoryPtr(VAddrEnter, 16, true);
if (m_MemLocation[0] != 0)
{
m_MemLocation[1] = m_MemLocation[0] + 1;
m_MemContents[0] = *m_MemLocation[0];
m_MemContents[1] = *m_MemLocation[1];
AnalyseBlock();
}
}
CCodeBlock::~CCodeBlock()
{
for (SectionList::iterator itr = m_Sections.begin(); itr != m_Sections.end(); itr++)
{
CCodeSection * Section = *itr;
delete Section;
}
m_Sections.clear();
if (m_RecompilerOps != nullptr)
{
#if defined(__i386__) || defined(_M_IX86)
delete (CX86RecompilerOps *)m_RecompilerOps;
#else
g_Notify->BreakPoint(__FILE__, __LINE__);
#endif
m_RecompilerOps = nullptr;
}
}
bool CCodeBlock::SetSection(CCodeSection *& Section, CCodeSection * CurrentSection, uint32_t TargetPC, bool LinkAllowed, uint32_t CurrentPC)
{
if (Section != nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (TargetPC >= ((CurrentPC + 0x1000) & 0xFFFFF000))
{
return false;
}
if (TargetPC < m_EnterSection->m_EnterPC)
{
return false;
}
if (LinkAllowed)
{
if (Section != nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
SectionMap::const_iterator itr = m_SectionMap.find(TargetPC);
if (itr != m_SectionMap.end())
{
Section = itr->second;
Section->AddParent(CurrentSection);
}
}
if (Section == nullptr)
{
Section = new CCodeSection(*this, TargetPC, (uint32_t)m_Sections.size(), LinkAllowed);
if (Section == nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
m_Sections.push_back(Section);
if (LinkAllowed)
{
m_SectionMap.insert(SectionMap::value_type(TargetPC, Section));
}
Section->AddParent(CurrentSection);
if (TargetPC <= CurrentPC && TargetPC != m_VAddrEnter)
{
CCodeSection * SplitSection = nullptr;
for (SectionMap::const_iterator itr = m_SectionMap.begin(); itr != m_SectionMap.end(); itr++)
{
if (itr->first >= TargetPC)
{
break;
}
SplitSection = itr->second;
}
if (SplitSection == nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (SplitSection->m_EndPC == (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (SplitSection->m_EndPC >= TargetPC)
{
Log("%s: Split Section: %d with section: %d", __FUNCTION__, SplitSection->m_SectionID, Section->m_SectionID);
CCodeSection * BaseSection = Section;
BaseSection->m_EndPC = SplitSection->m_EndPC;
BaseSection->SetJumpAddress(SplitSection->m_Jump.JumpPC, SplitSection->m_Jump.TargetPC, SplitSection->m_Jump.PermLoop);
BaseSection->m_JumpSection = SplitSection->m_JumpSection;
BaseSection->SetContinueAddress(SplitSection->m_Cont.JumpPC, SplitSection->m_Cont.TargetPC);
BaseSection->m_ContinueSection = SplitSection->m_ContinueSection;
if (BaseSection->m_JumpSection)
{
BaseSection->m_JumpSection->SwitchParent(SplitSection, BaseSection);
}
if (BaseSection->m_ContinueSection)
{
BaseSection->m_ContinueSection->SwitchParent(SplitSection, BaseSection);
}
BaseSection->AddParent(SplitSection);
SplitSection->m_EndPC = TargetPC - 4;
SplitSection->m_JumpSection = nullptr;
SplitSection->m_ContinueSection = BaseSection;
SplitSection->SetContinueAddress(TargetPC - 4, TargetPC);
SplitSection->SetJumpAddress((uint32_t)-1, (uint32_t)-1, false);
}
}
}
return true;
}
bool CCodeBlock::CreateBlockLinkage(CCodeSection * EnterSection)
{
CCodeSection * CurrentSection = EnterSection;
Log("Section %d", CurrentSection->m_SectionID);
for (uint32_t TestPC = EnterSection->m_EnterPC, EndPC = ((EnterSection->m_EnterPC + 0x1000) & 0xFFFFF000); TestPC <= EndPC; TestPC += 4)
{
if (TestPC != EndPC)
{
SectionMap::const_iterator itr = m_SectionMap.find(TestPC);
if (itr != m_SectionMap.end() && CurrentSection != itr->second)
{
if (CurrentSection->m_ContinueSection != nullptr &&
CurrentSection->m_ContinueSection != itr->second)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (CurrentSection->m_ContinueSection == nullptr)
{
SetSection(CurrentSection->m_ContinueSection, CurrentSection, TestPC, true, TestPC);
CurrentSection->SetContinueAddress(TestPC - 4, TestPC);
}
CurrentSection->m_EndPC = TestPC - 4;
CurrentSection = itr->second;
Log("Section %d", CurrentSection->m_SectionID);
if (EnterSection != m_EnterSection)
{
if (CurrentSection->m_JumpSection != nullptr ||
CurrentSection->m_ContinueSection != nullptr ||
CurrentSection->m_EndSection)
{
break;
}
}
}
}
else
{
CurrentSection->m_EndSection = true;
break;
}
bool LikelyBranch, EndBlock, IncludeDelaySlot, PermLoop;
uint32_t TargetPC, ContinuePC;
CurrentSection->m_EndPC = TestPC;
if (!AnalyzeInstruction(TestPC, TargetPC, ContinuePC, LikelyBranch, IncludeDelaySlot, EndBlock, PermLoop))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
if (TestPC + 4 == EndPC && IncludeDelaySlot)
{
TargetPC = (uint32_t)-1;
ContinuePC = (uint32_t)-1;
EndBlock = true;
}
if (TargetPC == (uint32_t)-1 && !EndBlock)
{
if (ContinuePC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
continue;
}
if (EndBlock)
{
Log("%s: End Block", __FUNCTION__);
CurrentSection->m_EndSection = true;
// Find other sections that need compiling
break;
}
if (ContinuePC != (uint32_t)-1)
{
Log("%s: SetContinueAddress TestPC = %X ContinuePC = %X", __FUNCTION__, TestPC, ContinuePC);
CurrentSection->SetContinueAddress(TestPC, ContinuePC);
if (!SetSection(CurrentSection->m_ContinueSection, CurrentSection, ContinuePC, true, TestPC))
{
ContinuePC = (uint32_t)-1;
}
}
if (LikelyBranch)
{
Log("%s: SetJumpAddress TestPC = %X Target = %X", __FUNCTION__, TestPC, TestPC + 4);
CurrentSection->SetJumpAddress(TestPC, TestPC + 4, false);
if (SetSection(CurrentSection->m_JumpSection, CurrentSection, TestPC + 4, false, TestPC))
{
bool BranchLikelyBranch, BranchEndBlock, BranchIncludeDelaySlot, BranchPermLoop;
uint32_t BranchTargetPC, BranchContinuePC;
CCodeSection * JumpSection = CurrentSection->m_JumpSection;
if (!AnalyzeInstruction(JumpSection->m_EnterPC, BranchTargetPC, BranchContinuePC, BranchLikelyBranch, BranchIncludeDelaySlot, BranchEndBlock, BranchPermLoop))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
if (BranchLikelyBranch || BranchIncludeDelaySlot || BranchPermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
JumpSection->m_EndPC = TestPC + 4;
if (BranchEndBlock)
{
Log("%s: Jump End Block", __FUNCTION__);
JumpSection->m_EndSection = true;
TargetPC = (uint32_t)-1;
}
else
{
JumpSection->SetJumpAddress(TestPC, TargetPC, false);
}
JumpSection->SetDelaySlot();
SetSection(JumpSection->m_JumpSection, JumpSection, TargetPC, true, TestPC);
}
else
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
else if (TargetPC != ((uint32_t)-1))
{
Log("%s: SetJumpAddress TestPC = %X Target = %X", __FUNCTION__, TestPC, TargetPC);
CurrentSection->SetJumpAddress(TestPC, TargetPC, PermLoop);
if (PermLoop || !SetSection(CurrentSection->m_JumpSection, CurrentSection, TargetPC, true, TestPC))
{
if (ContinuePC == (uint32_t)-1)
{
CurrentSection->m_EndSection = true;
}
}
}
TestPC += IncludeDelaySlot ? 8 : 4;
// Find the next section
CCodeSection * NewSection = nullptr;
for (SectionMap::const_iterator itr = m_SectionMap.begin(); itr != m_SectionMap.end(); itr++)
{
if (CurrentSection->m_JumpSection != nullptr ||
CurrentSection->m_ContinueSection != nullptr ||
CurrentSection->m_EndSection)
{
continue;
}
NewSection = itr->second;
break;
}
if (NewSection == nullptr)
{
break;
}
if (CurrentSection == NewSection)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
CurrentSection = NewSection;
if (CurrentSection->m_JumpSection != nullptr ||
CurrentSection->m_ContinueSection != nullptr ||
CurrentSection->m_EndSection)
{
break;
}
TestPC = CurrentSection->m_EnterPC;
Log("a. Section %d", CurrentSection->m_SectionID);
TestPC -= 4;
}
for (SectionMap::iterator itr = m_SectionMap.begin(); itr != m_SectionMap.end(); itr++)
{
CCodeSection * Section = itr->second;
if (Section->m_JumpSection != nullptr ||
Section->m_ContinueSection != nullptr ||
Section->m_EndSection)
{
continue;
}
if (!CreateBlockLinkage(Section))
{
return false;
}
break;
}
if (CurrentSection->m_EndPC == (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
return true;
}
void CCodeBlock::DetermineLoops()
{
for (SectionMap::iterator itr = m_SectionMap.begin(); itr != m_SectionMap.end(); itr++)
{
CCodeSection * Section = itr->second;
uint32_t Test = NextTest();
if (Section)
{
Section->DetermineLoop(Test, Test, Section->m_SectionID);
}
}
}
void CCodeBlock::LogSectionInfo()
{
for (SectionList::iterator itr = m_Sections.begin(); itr != m_Sections.end(); itr++)
{
CCodeSection * Section = *itr;
Section->DisplaySectionInformation();
}
}
bool CCodeBlock::AnalyseBlock()
{
if (!g_System->bLinkBlocks())
{
return true;
}
if (!CreateBlockLinkage(m_EnterSection))
{
return false;
}
DetermineLoops();
LogSectionInfo();
return true;
}
bool CCodeBlock::AnalyzeInstruction(uint32_t PC, uint32_t & TargetPC, uint32_t & ContinuePC, bool & LikelyBranch, bool & IncludeDelaySlot, bool & EndBlock, bool & PermLoop)
{
TargetPC = (uint32_t)-1;
ContinuePC = (uint32_t)-1;
LikelyBranch = false;
IncludeDelaySlot = false;
EndBlock = false;
PermLoop = false;
R4300iOpcode Command;
if (!g_MMU->MemoryValue32(PC, Command.Value))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
#ifdef _DEBUG
R4300iInstruction Instruction(PC, Command.Value);
Log(" 0x%08X %s %s", PC, Instruction.Name(), Instruction.Param());
#endif
switch (Command.op)
{
case R4300i_SPECIAL:
switch (Command.funct)
{
case R4300i_SPECIAL_SLL:
case R4300i_SPECIAL_SRL:
case R4300i_SPECIAL_SRA:
case R4300i_SPECIAL_SLLV:
case R4300i_SPECIAL_SRLV:
case R4300i_SPECIAL_SRAV:
case R4300i_SPECIAL_MFHI:
case R4300i_SPECIAL_MTHI:
case R4300i_SPECIAL_MFLO:
case R4300i_SPECIAL_MTLO:
case R4300i_SPECIAL_DSLLV:
case R4300i_SPECIAL_DSRLV:
case R4300i_SPECIAL_DSRAV:
case R4300i_SPECIAL_ADD:
case R4300i_SPECIAL_ADDU:
case R4300i_SPECIAL_SUB:
case R4300i_SPECIAL_SUBU:
case R4300i_SPECIAL_AND:
case R4300i_SPECIAL_OR:
case R4300i_SPECIAL_XOR:
case R4300i_SPECIAL_NOR:
case R4300i_SPECIAL_SLT:
case R4300i_SPECIAL_SLTU:
case R4300i_SPECIAL_DADD:
case R4300i_SPECIAL_DADDU:
case R4300i_SPECIAL_DSUB:
case R4300i_SPECIAL_DSUBU:
case R4300i_SPECIAL_DSLL:
case R4300i_SPECIAL_DSRL:
case R4300i_SPECIAL_DSRA:
case R4300i_SPECIAL_DSLL32:
case R4300i_SPECIAL_DSRL32:
case R4300i_SPECIAL_DSRA32:
case R4300i_SPECIAL_MULT:
case R4300i_SPECIAL_MULTU:
case R4300i_SPECIAL_DIV:
case R4300i_SPECIAL_DIVU:
case R4300i_SPECIAL_DMULT:
case R4300i_SPECIAL_DMULTU:
case R4300i_SPECIAL_DDIV:
case R4300i_SPECIAL_DDIVU:
case R4300i_SPECIAL_TEQ:
case R4300i_SPECIAL_TNE:
case R4300i_SPECIAL_TGE:
case R4300i_SPECIAL_TGEU:
case R4300i_SPECIAL_TLT:
case R4300i_SPECIAL_TLTU:
break;
case R4300i_SPECIAL_JALR:
case R4300i_SPECIAL_JR:
EndBlock = true;
IncludeDelaySlot = true;
break;
case R4300i_SPECIAL_SYSCALL:
case R4300i_SPECIAL_BREAK:
EndBlock = true;
break;
default:
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
break;
case R4300i_REGIMM:
switch (Command.rt)
{
case R4300i_REGIMM_BLTZ:
case R4300i_REGIMM_BLTZAL:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC + 8)
{
TargetPC = (uint32_t)-1;
}
else
{
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))
{
PermLoop = true;
}
ContinuePC = PC + 8;
IncludeDelaySlot = true;
}
break;
case R4300i_REGIMM_BGEZ:
case R4300i_REGIMM_BGEZAL:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC + 8)
{
TargetPC = (uint32_t)-1;
}
else
{
if (TargetPC == PC)
{
if (Command.rs == 0)
{
TargetPC = (uint32_t)-1;
EndBlock = true;
}
else
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(PC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}
}
}
if (Command.rs != 0)
{
ContinuePC = PC + 8;
}
IncludeDelaySlot = true;
}
break;
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
case R4300i_REGIMM_BGEZALL:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(PC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}
}
ContinuePC = PC + 8;
LikelyBranch = true;
IncludeDelaySlot = true;
break;
case R4300i_REGIMM_TEQI:
case R4300i_REGIMM_TNEI:
case R4300i_REGIMM_TGEI:
case R4300i_REGIMM_TGEIU:
case R4300i_REGIMM_TLTI:
case R4300i_REGIMM_TLTIU:
break;
default:
if (Command.Value == 0x0407000D)
{
EndBlock = true;
break;
}
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
break;
case R4300i_J:
TargetPC = (PC & 0xF0000000) + (Command.target << 2);
if (TargetPC == PC)
{
PermLoop = true;
}
IncludeDelaySlot = true;
break;
case R4300i_JAL:
EndBlock = true;
IncludeDelaySlot = true;
break;
case R4300i_BEQ:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC + 8)
{
TargetPC = (uint32_t)-1;
}
else
{
if (Command.rs != 0 || Command.rt != 0)
{
ContinuePC = PC + 8;
}
R4300iOpcode DelaySlot;
if (TargetPC == PC &&
g_MMU->MemoryValue32(PC + 4, DelaySlot.Value) &&
!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}
IncludeDelaySlot = true;
}
break;
case R4300i_BNE:
case R4300i_BLEZ:
case R4300i_BGTZ:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC + 8)
{
TargetPC = (uint32_t)-1;
}
else
{
if (TargetPC == PC)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(PC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}
}
ContinuePC = PC + 8;
IncludeDelaySlot = true;
}
break;
case R4300i_CP0:
switch (Command.rs)
{
case R4300i_COP0_MT:
case R4300i_COP0_DMT:
case R4300i_COP0_MF:
case R4300i_COP0_DMF:
break;
default:
if ((Command.rs & 0x10) != 0)
{
switch (Command.funct)
{
case R4300i_COP0_CO_TLBR:
case R4300i_COP0_CO_TLBWI:
case R4300i_COP0_CO_TLBWR:
case R4300i_COP0_CO_TLBP:
break;
case R4300i_COP0_CO_ERET:
EndBlock = true;
break;
default:
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
}
else
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
break;
}
break;
case R4300i_CP1:
switch (Command.fmt)
{
case R4300i_COP1_MF:
case R4300i_COP1_DMF:
case R4300i_COP1_CF:
case R4300i_COP1_MT:
case R4300i_COP1_DMT:
case R4300i_COP1_CT:
case R4300i_COP1_S:
case R4300i_COP1_D:
case R4300i_COP1_W:
case R4300i_COP1_L:
break;
case R4300i_COP1_BC:
switch (Command.ft)
{
case R4300i_COP1_BC_BCF:
case R4300i_COP1_BC_BCT:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC + 8)
{
TargetPC = (uint32_t)-1;
}
else
{
if (TargetPC == PC)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
ContinuePC = PC + 8;
IncludeDelaySlot = true;
}
break;
case R4300i_COP1_BC_BCFL:
case R4300i_COP1_BC_BCTL:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
ContinuePC = PC + 8;
LikelyBranch = true;
IncludeDelaySlot = true;
break;
default:
g_Notify->BreakPoint(__FILE__, __LINE__);
}
break;
default:
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
break;
case R4300i_ANDI:
case R4300i_ORI:
case R4300i_XORI:
case R4300i_LUI:
case R4300i_ADDI:
case R4300i_ADDIU:
case R4300i_SLTI:
case R4300i_SLTIU:
case R4300i_DADDI:
case R4300i_DADDIU:
case R4300i_LDL:
case R4300i_LDR:
break;
case R4300i_RESERVED31:
EndBlock = true;
break;
case R4300i_LB:
case R4300i_LH:
case R4300i_LWL:
case R4300i_LW:
case R4300i_LBU:
case R4300i_LHU:
case R4300i_LWR:
case R4300i_LWU:
case R4300i_SB:
case R4300i_SH:
case R4300i_SWL:
case R4300i_SW:
case R4300i_SDL:
case R4300i_SDR:
case R4300i_SWR:
case R4300i_CACHE:
case R4300i_LL:
case R4300i_LWC1:
case R4300i_LDC1:
case R4300i_LD:
case R4300i_SC:
case R4300i_SWC1:
case R4300i_SDC1:
case R4300i_SD:
break;
case R4300i_BEQL:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
if (TargetPC == PC)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(PC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}
}
if (Command.rs != 0 || Command.rt != 0)
{
ContinuePC = PC + 8;
}
IncludeDelaySlot = true;
LikelyBranch = true;
break;
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
TargetPC = PC + ((int16_t)Command.offset << 2) + 4;
ContinuePC = PC + 8;
if (TargetPC == PC)
{
R4300iOpcode DelaySlot;
if (!g_MMU->MemoryValue32(PC + 4, DelaySlot.Value))
{
g_Notify->FatalError(GS(MSG_FAIL_LOAD_WORD));
}
if (!R4300iInstruction(PC, Command.Value).DelaySlotEffectsCompare(DelaySlot.Value))
{
PermLoop = true;
}
}
LikelyBranch = true;
IncludeDelaySlot = true;
break;
default:
if (Command.Value == 0x7C1C97C0 ||
Command.Value == 0xF1F3F5F7)
{
EndBlock = true;
break;
}
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
return true;
}
bool CCodeBlock::Compile()
{
m_RecompilerOps->EnterCodeBlock();
if (g_System->bLinkBlocks())
{
while (m_EnterSection != nullptr && m_EnterSection->GenerateNativeCode(NextTest()))
;
}
else
{
if (m_EnterSection == nullptr || !m_EnterSection->GenerateNativeCode(NextTest()))
{
return false;
}
}
m_RecompilerOps->CompileExitCode();
uint32_t BlockSize = (VAddrLast() - VAddrFirst()) + 4;
uint8_t * BlockPtr = m_MMU.MemoryPtr(VAddrFirst(), BlockSize, true);
if (BlockPtr == nullptr)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
MD5(BlockPtr, BlockSize).get_digest(m_Hash);
return true;
}
uint32_t CCodeBlock::Finilize(uint8_t * CompiledLocation)
{
if (CDebugSettings::bRecordRecompilerAsm())
{
std::string CodeLog = m_CodeLog;
m_CodeLog.clear();
Log("====== Code block ======");
Log("Native entry point: %X", CompiledLocation);
Log("Start of block: %X", VAddrEnter());
Log("Number of sections: %d", NoOfSections());
Log("====== Recompiled code ======");
m_CodeLog += CodeLog;
}
m_CompiledLocation = CompiledLocation;
m_CodeHolder.relocateToBase((uint64_t)m_CompiledLocation);
size_t codeSize = m_CodeHolder.codeSize();
m_CodeHolder.copyFlattenedData(m_CompiledLocation, codeSize, asmjit::CopySectionFlags::kPadSectionBuffer);
*g_RecompPos += codeSize;
#if defined(ANDROID) && (defined(__arm__) || defined(_M_ARM))
__clear_cache((uint8_t *)((uint32_t)m_CompiledLocation & ~1), m_CompiledLocation + codeSize);
#endif
return (uint32_t)codeSize;
}
uint32_t CCodeBlock::NextTest()
{
uint32_t next_test = m_Test;
m_Test += 1;
return next_test;
}
void CCodeBlock::Log(_Printf_format_string_ const char * Text, ...)
{
if (!CDebugSettings::bRecordRecompilerAsm())
{
return;
}
va_list args;
va_start(args, Text);
#pragma warning(push)
#pragma warning(disable : 4996)
size_t nlen = _vscprintf(Text, args) + 1;
char * buffer = (char *)alloca(nlen * sizeof(char));
buffer[nlen - 1] = 0;
if (buffer != nullptr)
{
vsprintf(buffer, Text, args);
m_CodeLog += buffer;
m_CodeLog += "\n";
}
#pragma warning(pop)
va_end(args);
}
void CCodeBlock::handleError(asmjit::Error /*err*/, const char * /*message*/, asmjit::BaseEmitter * /*origin*/)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}