static bool checkStart(u32 start, u32 size) {
bool invalidSize = false;
bool invalidAddress = false;
if (isInInterval(PSP_GetScratchpadMemoryBase(),PSP_GetScratchpadMemoryEnd(),start))
{
invalidSize = !isInInterval(PSP_GetScratchpadMemoryBase(),PSP_GetScratchpadMemoryEnd(),start+size-1);
} else if (isInInterval(PSP_GetVidMemBase(),PSP_GetVidMemEnd(),start))
{
invalidSize = !isInInterval(PSP_GetVidMemBase(),PSP_GetVidMemEnd(),start+size-1);
} else if (isInInterval(PSP_GetKernelMemoryBase(),PSP_GetUserMemoryEnd(),start))
{
invalidSize = !isInInterval(PSP_GetKernelMemoryBase(),PSP_GetUserMemoryEnd(),start+size-1);
} else
{
invalidAddress = true;
}
if (invalidAddress)
{
printf("Invalid address 0x%08X.\n",start);
return false;
} else if (invalidSize)
{
printf("Invalid end address 0x%08X.\n",start+size);
return false;
}
return true;
}
void __KernelMemoryInit()
{
kernelMemory.Init(PSP_GetKernelMemoryBase(), PSP_GetKernelMemoryEnd()-PSP_GetKernelMemoryBase());
userMemory.Init(PSP_GetUserMemoryBase(), PSP_GetUserMemoryEnd()-PSP_GetUserMemoryBase());
INFO_LOG(HLE, "Kernel and user memory pools initialized");
vplWaitTimer = CoreTiming::RegisterEvent("VplTimeout", __KernelVplTimeout);
}
void __KernelMemoryInit()
{
kernelMemory.Init(PSP_GetKernelMemoryBase(), PSP_GetKernelMemoryEnd()-PSP_GetKernelMemoryBase());
userMemory.Init(PSP_GetUserMemoryBase(), PSP_GetUserMemoryEnd()-PSP_GetUserMemoryBase());
INFO_LOG(HLE, "Kernel and user memory pools initialized");
vplWaitTimer = CoreTiming::RegisterEvent("VplTimeout", __KernelVplTimeout);
flags_ = 0;
sdkVersion_ = 0;
compilerVersion_ = 0;
memset(tlsUsedIndexes, 0, sizeof(tlsUsedIndexes));
}
void Jit::SetCCAndR0ForSafeAddress(MIPSGPReg rs, s16 offset, ARMReg tempReg, bool reverse) {
SetR0ToEffectiveAddress(rs, offset);
// There are three valid ranges. Each one gets a bit.
const u32 BIT_SCRATCH = 1, BIT_RAM = 2, BIT_VRAM = 4;
MOVI2R(tempReg, BIT_SCRATCH | BIT_RAM | BIT_VRAM);
CMP(R0, AssumeMakeOperand2(PSP_GetScratchpadMemoryBase()));
SetCC(CC_LO);
BIC(tempReg, tempReg, BIT_SCRATCH);
SetCC(CC_HS);
CMP(R0, AssumeMakeOperand2(PSP_GetScratchpadMemoryEnd()));
BIC(tempReg, tempReg, BIT_SCRATCH);
// If it was in that range, later compares don't matter.
CMP(R0, AssumeMakeOperand2(PSP_GetVidMemBase()));
SetCC(CC_LO);
BIC(tempReg, tempReg, BIT_VRAM);
SetCC(CC_HS);
CMP(R0, AssumeMakeOperand2(PSP_GetVidMemEnd()));
BIC(tempReg, tempReg, BIT_VRAM);
CMP(R0, AssumeMakeOperand2(PSP_GetKernelMemoryBase()));
SetCC(CC_LO);
BIC(tempReg, tempReg, BIT_RAM);
SetCC(CC_HS);
CMP(R0, AssumeMakeOperand2(PSP_GetUserMemoryEnd()));
BIC(tempReg, tempReg, BIT_RAM);
// If we left any bit set, the address is OK.
SetCC(CC_AL);
CMP(tempReg, 0);
SetCC(reverse ? CC_EQ : CC_GT);
}
void Jit::WriteExitDestInEAX()
{
// TODO: Some wasted potential, dispatcher will always read this back into EAX.
MOV(32, M(&mips_->pc), R(EAX));
WriteDowncount();
// Validate the jump to avoid a crash?
if (!g_Config.bFastMemory)
{
CMP(32, R(EAX), Imm32(PSP_GetKernelMemoryBase()));
FixupBranch tooLow = J_CC(CC_L);
CMP(32, R(EAX), Imm32(PSP_GetUserMemoryEnd()));
FixupBranch tooHigh = J_CC(CC_GE);
JMP(asm_.dispatcher, true);
SetJumpTarget(tooLow);
SetJumpTarget(tooHigh);
ABI_CallFunctionA(thunks.ProtectFunction((void *) Memory::GetPointer, 1), R(EAX));
CMP(32, R(EAX), Imm32(0));
J_CC(CC_NE, asm_.dispatcher, true);
// TODO: "Ignore" this so other threads can continue?
if (g_Config.bIgnoreBadMemAccess)
MOV(32, M((void*)&coreState), Imm32(CORE_ERROR));
JMP(asm_.dispatcherCheckCoreState, true);
}
else
JMP(asm_.dispatcher, true);
}
void DoState(PointerWrap &p)
{
auto s = p.Section("Memory", 1, 2);
if (!s)
return;
if (s < 2) {
if (!g_RemasterMode)
g_MemorySize = RAM_NORMAL_SIZE;
g_PSPModel = PSP_MODEL_FAT;
} else {
u32 oldMemorySize = g_MemorySize;
p.Do(g_PSPModel);
p.DoMarker("PSPModel");
if (!g_RemasterMode) {
g_MemorySize = g_PSPModel == PSP_MODEL_FAT ? RAM_NORMAL_SIZE : RAM_DOUBLE_SIZE;
if (oldMemorySize < g_MemorySize) {
Shutdown();
Init();
}
}
}
p.DoArray(GetPointer(PSP_GetKernelMemoryBase()), g_MemorySize);
p.DoMarker("RAM");
p.DoArray(m_pVRAM, VRAM_SIZE);
p.DoMarker("VRAM");
p.DoArray(m_pScratchPad, SCRATCHPAD_SIZE);
p.DoMarker("ScratchPad");
}
void Clear() {
if (m_pPhysicalRAM)
memset(GetPointerUnchecked(PSP_GetKernelMemoryBase()), 0, g_MemorySize);
if (m_pPhysicalScratchPad)
memset(m_pPhysicalScratchPad, 0, SCRATCHPAD_SIZE);
if (m_pPhysicalVRAM1)
memset(m_pPhysicalVRAM1, 0, VRAM_SIZE);
}
OpArg Jit::JitSafeMem::PrepareMemoryOpArg(ReadType type)
{
// We may not even need to move into EAX as a temporary.
bool needTemp = alignMask_ != 0xFFFFFFFF;
#ifdef _M_IX86
// We always mask on 32 bit in fast memory mode.
needTemp = needTemp || fast_;
#endif
if (jit_->gpr.R(raddr_).IsSimpleReg() && !needTemp)
{
jit_->gpr.MapReg(raddr_, true, false);
xaddr_ = jit_->gpr.RX(raddr_);
}
else
{
jit_->MOV(32, R(EAX), jit_->gpr.R(raddr_));
xaddr_ = EAX;
}
MemCheckAsm(type);
if (!fast_)
{
// Is it in physical ram?
jit_->CMP(32, R(xaddr_), Imm32(PSP_GetKernelMemoryBase() - offset_));
tooLow_ = jit_->J_CC(CC_B);
jit_->CMP(32, R(xaddr_), Imm32(PSP_GetUserMemoryEnd() - offset_ - (size_ - 1)));
tooHigh_ = jit_->J_CC(CC_AE);
// We may need to jump back up here.
safe_ = jit_->GetCodePtr();
}
else
{
#ifdef _M_IX86
jit_->AND(32, R(EAX), Imm32(Memory::MEMVIEW32_MASK));
#endif
}
// TODO: This could be more optimal, but the common case is that we want xaddr_ not to include offset_.
// Since we need to align them after add, we add and subtract.
if (alignMask_ != 0xFFFFFFFF)
{
jit_->ADD(32, R(xaddr_), Imm32(offset_));
jit_->AND(32, R(xaddr_), Imm32(alignMask_));
jit_->SUB(32, R(xaddr_), Imm32(offset_));
}
#ifdef _M_IX86
return MDisp(xaddr_, (u32) Memory::base + offset_);
#else
return MComplex(RBX, xaddr_, SCALE_1, offset_);
#endif
}
void Jit::WriteExitDestInEAX()
{
// TODO: Some wasted potential, dispatcher will always read this back into EAX.
MOV(32, M(&mips_->pc), R(EAX));
// If we need to verify coreState and rewind, we may not jump yet.
if (js.afterOp & (JitState::AFTER_CORE_STATE | JitState::AFTER_REWIND_PC_BAD_STATE))
{
// CORE_RUNNING is <= CORE_NEXTFRAME.
CMP(32, M((void*)&coreState), Imm32(CORE_NEXTFRAME));
FixupBranch skipCheck = J_CC(CC_LE);
MOV(32, M(&mips_->pc), Imm32(js.compilerPC));
WriteSyscallExit();
SetJumpTarget(skipCheck);
js.afterOp = JitState::AFTER_NONE;
}
WriteDowncount();
// Validate the jump to avoid a crash?
if (!g_Config.bFastMemory)
{
CMP(32, R(EAX), Imm32(PSP_GetKernelMemoryBase()));
FixupBranch tooLow = J_CC(CC_B);
CMP(32, R(EAX), Imm32(PSP_GetUserMemoryEnd()));
FixupBranch tooHigh = J_CC(CC_AE);
// Need to set neg flag again if necessary.
SUB(32, M(¤tMIPS->downcount), Imm32(0));
JMP(asm_.dispatcher, true);
SetJumpTarget(tooLow);
SetJumpTarget(tooHigh);
CallProtectedFunction((void *) Memory::GetPointer, R(EAX));
CMP(32, R(EAX), Imm32(0));
FixupBranch skip = J_CC(CC_NE);
// TODO: "Ignore" this so other threads can continue?
if (g_Config.bIgnoreBadMemAccess)
CallProtectedFunction((void *) Core_UpdateState, Imm32(CORE_ERROR));
SUB(32, M(¤tMIPS->downcount), Imm32(0));
JMP(asm_.dispatcherCheckCoreState, true);
SetJumpTarget(skip);
SUB(32, M(¤tMIPS->downcount), Imm32(0));
J_CC(CC_NE, asm_.dispatcher, true);
}
else
JMP(asm_.dispatcher, true);
}
OpArg Jit::JitSafeMem::PrepareMemoryOpArg()
{
// We may not even need to move into EAX as a temporary.
// TODO: Except on x86 in fastmem mode.
if (jit_->gpr.R(raddr_).IsSimpleReg())
{
jit_->gpr.BindToRegister(raddr_, true, false);
xaddr_ = jit_->gpr.RX(raddr_);
}
else
{
jit_->MOV(32, R(EAX), jit_->gpr.R(raddr_));
xaddr_ = EAX;
}
if (!g_Config.bFastMemory)
{
// Is it in physical ram?
jit_->CMP(32, R(xaddr_), Imm32(PSP_GetKernelMemoryBase() - offset_));
tooLow_ = jit_->J_CC(CC_L);
jit_->CMP(32, R(xaddr_), Imm32(PSP_GetUserMemoryEnd() - offset_));
tooHigh_ = jit_->J_CC(CC_GE);
// We may need to jump back up here.
safe_ = jit_->GetCodePtr();
}
else
{
#ifdef _M_IX86
// Need to modify it, too bad.
if (xaddr_ != EAX)
jit_->MOV(32, R(EAX), R(xaddr_));
jit_->AND(32, R(EAX), Imm32(Memory::MEMVIEW32_MASK));
xaddr_ = EAX;
#endif
}
#ifdef _M_IX86
return MDisp(xaddr_, (u32) Memory::base + offset_);
#else
return MComplex(RBX, xaddr_, SCALE_1, offset_);
#endif
}
void DoState(PointerWrap &p) {
auto s = p.Section("Memory", 1, 3);
if (!s)
return;
if (s < 2) {
if (!g_RemasterMode)
g_MemorySize = RAM_NORMAL_SIZE;
g_PSPModel = PSP_MODEL_FAT;
} else if (s == 2) {
// In version 2, we determine memory size based on PSP model.
u32 oldMemorySize = g_MemorySize;
p.Do(g_PSPModel);
p.DoMarker("PSPModel");
if (!g_RemasterMode) {
g_MemorySize = g_PSPModel == PSP_MODEL_FAT ? RAM_NORMAL_SIZE : RAM_DOUBLE_SIZE;
if (oldMemorySize < g_MemorySize) {
Shutdown();
Init();
}
}
} else {
// In version 3, we started just saving the memory size directly.
// It's no longer based strictly on the PSP model.
u32 oldMemorySize = g_MemorySize;
p.Do(g_PSPModel);
p.DoMarker("PSPModel");
p.Do(g_MemorySize);
if (oldMemorySize != g_MemorySize) {
Shutdown();
Init();
}
}
p.DoArray(GetPointer(PSP_GetKernelMemoryBase()), g_MemorySize);
p.DoMarker("RAM");
p.DoArray(m_pPhysicalVRAM1, VRAM_SIZE);
p.DoMarker("VRAM");
p.DoArray(m_pPhysicalScratchPad, SCRATCHPAD_SIZE);
p.DoMarker("ScratchPad");
}
bool DumpMemoryWindow::fetchDialogData(HWND hwnd)
{
char str[256],errorMessage[256];
PostfixExpression exp;
// parse start address
GetWindowTextA(GetDlgItem(hwnd,IDC_DUMP_STARTADDRESS),str,256);
if (cpu->initExpression(str,exp) == false
|| cpu->parseExpression(exp,start) == false)
{
sprintf(errorMessage,"Invalid address expression \"%s\".",str);
MessageBoxA(hwnd,errorMessage,"Error",MB_OK);
return false;
}
// parse size
GetWindowTextA(GetDlgItem(hwnd,IDC_DUMP_SIZE),str,256);
if (cpu->initExpression(str,exp) == false
|| cpu->parseExpression(exp,size) == false)
{
sprintf(errorMessage,"Invalid size expression \"%s\".",str);
MessageBoxA(hwnd,errorMessage,"Error",MB_OK);
return false;
}
if (size == 0)
{
MessageBoxA(hwnd,"Invalid size 0.","Error",MB_OK);
return false;
}
// get filename
GetWindowTextA(GetDlgItem(hwnd,IDC_DUMP_FILENAME),fileName,MAX_PATH);
if (strlen(fileName) == 0) return false;
// now check if data makes sense...
bool invalidSize = false;
bool invalidAddress = false;
if (isInInterval(PSP_GetScratchpadMemoryBase(),PSP_GetScratchpadMemoryEnd(),start))
{
invalidSize = !isInInterval(PSP_GetScratchpadMemoryBase(),PSP_GetScratchpadMemoryEnd(),start+size-1);
} else if (isInInterval(PSP_GetVidMemBase(),PSP_GetVidMemEnd(),start))
{
invalidSize = !isInInterval(PSP_GetVidMemBase(),PSP_GetVidMemEnd(),start+size-1);
} else if (isInInterval(PSP_GetKernelMemoryBase(),PSP_GetUserMemoryEnd(),start))
{
invalidSize = !isInInterval(PSP_GetKernelMemoryBase(),PSP_GetUserMemoryEnd(),start+size-1);
} else
{
invalidAddress = true;
}
if (invalidAddress)
{
sprintf(errorMessage,"Invalid address 0x%08X.",start);
MessageBoxA(hwnd,errorMessage,"Error",MB_OK);
return false;
} else if (invalidSize)
{
sprintf(errorMessage,"Invalid end address 0x%08X.",start+size);
MessageBoxA(hwnd,errorMessage,"Error",MB_OK);
return false;
}
return true;
}
