bool Jit::JitSafeMem::PrepareSlowRead(void *safeFunc)
{
if (!fast_)
{
if (iaddr_ != (u32) -1)
{
// No slow read necessary.
if (ImmValid())
return false;
jit_->MOV(32, R(EAX), Imm32(iaddr_ & alignMask_));
}
else
{
PrepareSlowAccess();
jit_->LEA(32, EAX, MDisp(xaddr_, offset_));
if (alignMask_ != 0xFFFFFFFF)
jit_->AND(32, R(EAX), Imm32(alignMask_));
}
jit_->CallProtectedFunction(safeFunc, R(EAX));
needsCheck_ = true;
return true;
}
else
return false;
}
bool Jit::JitSafeMem::PrepareSlowWrite()
{
// If it's immediate, we only need a slow write on invalid.
if (iaddr_ != (u32) -1)
return !fast_ && !ImmValid();
if (!fast_)
{
PrepareSlowAccess();
return true;
}
else
return false;
}
bool Jit::JitSafeMem::PrepareSlowWrite()
{
// If it's immediate, we only need a slow write on invalid.
if (iaddr_ != (u32) -1)
return !g_Config.bFastMemory && !Memory::IsValidAddress(iaddr_);
if (!g_Config.bFastMemory)
{
PrepareSlowAccess();
return true;
}
else
return false;
}
bool Jit::JitSafeMem::PrepareSlowRead(void *safeFunc)
{
if (!g_Config.bFastMemory)
{
if (iaddr_ != (u32) -1)
{
// No slow read necessary.
if (Memory::IsValidAddress(iaddr_))
return false;
jit_->MOV(32, R(EAX), Imm32(iaddr_));
}
else
{
PrepareSlowAccess();
jit_->LEA(32, EAX, MDisp(xaddr_, offset_));
}
jit_->ABI_CallFunctionA(jit_->thunks.ProtectFunction(safeFunc, 1), R(EAX));
needsCheck_ = true;
return true;
}
else
return false;
}
