ShuriZma
/
project64
mirror of https://github.com/project64/project64.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Memory: Clean up more tlb writes and SP_SEMAPHORE_REG

This commit is contained in:
zilmar 2013-01-12 08:15:47 +11:00
parent ea58dc3c83
commit 3e2b93203b
1 changed files with 58 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp
View File

@ -337,7 +337,25 @@ void CMipsMemoryVM::Compile_LB ( x86Reg Reg, DWORD VAddr, BOOL SignExtend) {
if (VAddr < 0x80000000 || VAddr >= 0xC0000000)
{
g_Notify->BreakPoint(__FILE__,__LINE__);
if (!g_System->bUseTlb())
{
g_Notify->BreakPoint(__FILE__,__LINE__);
return;
}
x86Reg TlbMappReg = Map_TempReg(x86_Any,-1,FALSE);
MoveConstToX86reg(VAddr >> 12,TlbMappReg);
x86Reg AddrReg = Map_TempReg(x86_Any,-1,FALSE);
MoveConstToX86reg(VAddr,AddrReg);
MoveVariableDispToX86Reg(m_TLB_ReadMap,"m_TLB_ReadMap",TlbMappReg,TlbMappReg,4);
CompileReadTLBMiss(AddrReg,TlbMappReg);
AddX86RegToX86Reg(TlbMappReg,AddrReg);
if (SignExtend) {
MoveSxByteX86regPointerToX86reg(AddrReg, TlbMappReg,Reg);
} else {
MoveZxByteX86regPointerToX86reg(AddrReg, TlbMappReg,Reg);
}
return;
}
if (!TranslateVaddr(VAddr,PAddr)) {
@ -376,7 +394,25 @@ void CMipsMemoryVM::Compile_LH ( x86Reg Reg, DWORD VAddr, BOOL SignExtend) {
if (VAddr < 0x80000000 || VAddr >= 0xC0000000)
{
g_Notify->BreakPoint(__FILE__,__LINE__);
if (!g_System->bUseTlb())
{
g_Notify->BreakPoint(__FILE__,__LINE__);
return;
}
x86Reg TlbMappReg = Map_TempReg(x86_Any,-1,FALSE);
MoveConstToX86reg(VAddr >> 12,TlbMappReg);
x86Reg AddrReg = Map_TempReg(x86_Any,-1,FALSE);
MoveConstToX86reg(VAddr,AddrReg);
MoveVariableDispToX86Reg(m_TLB_ReadMap,"m_TLB_ReadMap",TlbMappReg,TlbMappReg,4);
CompileReadTLBMiss(AddrReg,TlbMappReg);
AddX86RegToX86Reg(TlbMappReg,AddrReg);
if (SignExtend) {
MoveSxHalfX86regPointerToX86reg(AddrReg, TlbMappReg,Reg);
} else {
MoveZxHalfX86regPointerToX86reg(AddrReg, TlbMappReg,Reg);
}
return;
}
if (!TranslateVaddr(VAddr, PAddr)) {
@ -457,6 +493,10 @@ void CMipsMemoryVM::Compile_LW (x86Reg Reg, DWORD VAddr ) {
case 0x04040010: MoveVariableToX86reg(&g_Reg->SP_STATUS_REG,"SP_STATUS_REG",Reg); break;
case 0x04040014: MoveVariableToX86reg(&g_Reg->SP_DMA_FULL_REG,"SP_DMA_FULL_REG",Reg); break;
case 0x04040018: MoveVariableToX86reg(&g_Reg->SP_DMA_BUSY_REG,"SP_DMA_BUSY_REG",Reg); break;
case 0x0404001C:
MoveVariableToX86reg(&g_Reg->SP_SEMAPHORE_REG,"SP_SEMAPHORE_REG",Reg);
MoveConstToVariable(1,&g_Reg->SP_SEMAPHORE_REG,"SP_SEMAPHORE_REG");
break;
case 0x04080000: MoveVariableToX86reg(&g_Reg->SP_PC_REG,"SP_PC_REG",Reg); break;
default:
MoveConstToX86reg(0,Reg);
@ -641,7 +681,17 @@ void CMipsMemoryVM::Compile_SB_Register ( x86Reg Reg, DWORD VAddr ) {
if (VAddr < 0x80000000 || VAddr >= 0xC0000000)
{
g_Notify->BreakPoint(__FILE__,__LINE__);
m_RegWorkingSet.SetX86Protected(Reg,true);
x86Reg TempReg1 = Map_TempReg(x86_Any,-1,FALSE);
x86Reg TempReg2 = Map_TempReg(x86_Any,-1,FALSE);
MoveConstToX86reg(VAddr, TempReg1);
MoveX86RegToX86Reg(TempReg1, TempReg2);
ShiftRightUnsignImmed(TempReg2,12);
MoveVariableDispToX86Reg(m_TLB_WriteMap,"m_TLB_WriteMap",TempReg2,TempReg2,4);
CompileWriteTLBMiss(TempReg1,TempReg2);
MoveX86regByteToX86regPointer(Reg,TempReg1, TempReg2);
return;
}
if (!TranslateVaddr(VAddr, PAddr)) {
@ -680,7 +730,6 @@ void CMipsMemoryVM::Compile_SH_Const ( WORD Value, DWORD VAddr ) {
ShiftRightUnsignImmed(TempReg2,12);
MoveVariableDispToX86Reg(m_TLB_WriteMap,"m_TLB_WriteMap",TempReg2,TempReg2,4);
CompileWriteTLBMiss(TempReg1,TempReg2);
XorConstToX86Reg(TempReg1,2);
MoveConstHalfToX86regPointer(Value,TempReg1, TempReg2);
return;
}
@ -723,7 +772,6 @@ void CMipsMemoryVM::Compile_SH_Register ( x86Reg Reg, DWORD VAddr ) {
ShiftRightUnsignImmed(TempReg2,12);
MoveVariableDispToX86Reg(m_TLB_WriteMap,"m_TLB_WriteMap",TempReg2,TempReg2,4);
CompileWriteTLBMiss(TempReg1,TempReg2);
XorConstToX86Reg(TempReg1,2);
MoveX86regHalfToX86regPointer(Reg,TempReg1, TempReg2);
return;
}
@ -747,7 +795,7 @@ void CMipsMemoryVM::Compile_SH_Register ( x86Reg Reg, DWORD VAddr ) {
MoveX86regHalfToVariable(Reg,PAddr + m_RDRAM,VarName);
break;
default:
if (g_Settings->LoadBool(Debugger_ShowUnhandledMemory)) { g_Notify->DisplayError("Compile_SH_Register\ntrying to store in %X?",PAddr); }
if (g_Settings->LoadBool(Debugger_ShowUnhandledMemory)) { g_Notify->DisplayError(__FUNCTION__ "\ntrying to store in %X?",PAddr); }
}
}
@ -1865,6 +1913,10 @@ int CMipsMemoryVM::LW_NonMemory ( DWORD PAddr, DWORD * Value ) {
case 0x04040010: *Value = g_Reg->SP_STATUS_REG; break;
case 0x04040014: *Value = g_Reg->SP_DMA_FULL_REG; break;
case 0x04040018: *Value = g_Reg->SP_DMA_BUSY_REG; break;
case 0x0404001C:
*Value = g_Reg->SP_SEMAPHORE_REG;
g_Reg->SP_SEMAPHORE_REG = 1;
break;
case 0x04080000: *Value = g_Reg->SP_PC_REG; break;
default:
* Value = 0;