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Project64: Exception when address not sign extended

This commit is contained in:
zilmar 2022-10-03 18:35:50 +10:30
parent 92054583d4
commit da138bf38b
1 changed files with 40 additions and 1 deletions
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41
Source/Project64-core/N64System/Mips/MemoryVirtualMem.cpp
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@ -379,6 +379,11 @@ bool CMipsMemoryVM::UpdateMemoryValue32(uint32_t VAddr, uint32_t Value)
bool CMipsMemoryVM::LB_Memory(uint64_t VAddr, uint8_t& Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, true);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if (HaveReadBP() && g_Debugger->ReadBP8(VAddr32) && MemoryBreakpoint())
@ -402,6 +407,11 @@ bool CMipsMemoryVM::LB_Memory(uint64_t VAddr, uint8_t& Value)
bool CMipsMemoryVM::LH_Memory(uint64_t VAddr, uint16_t & Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, true);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if ((VAddr32 & 1) != 0)
@ -430,8 +440,12 @@ bool CMipsMemoryVM::LH_Memory(uint64_t VAddr, uint16_t & Value)
bool CMipsMemoryVM::LW_Memory(uint64_t VAddr, uint32_t & Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, true);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if ((VAddr32 & 3) != 0)
{
GenerateAddressErrorException(VAddr, true);
@ -458,6 +472,11 @@ bool CMipsMemoryVM::LW_Memory(uint64_t VAddr, uint32_t & Value)
bool CMipsMemoryVM::LD_Memory(uint64_t VAddr, uint64_t& Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, true);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if ((VAddr32 & 7) != 0)
@ -486,6 +505,11 @@ bool CMipsMemoryVM::LD_Memory(uint64_t VAddr, uint64_t& Value)
bool CMipsMemoryVM::SB_Memory(uint64_t VAddr, uint32_t Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, false);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if (HaveWriteBP() && g_Debugger->WriteBP8(VAddr32) && MemoryBreakpoint())
@ -508,6 +532,11 @@ bool CMipsMemoryVM::SB_Memory(uint64_t VAddr, uint32_t Value)
bool CMipsMemoryVM::SH_Memory(uint64_t VAddr, uint32_t Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, false);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if ((VAddr32 & 1) != 0)
@ -536,6 +565,11 @@ bool CMipsMemoryVM::SH_Memory(uint64_t VAddr, uint32_t Value)
bool CMipsMemoryVM::SW_Memory(uint64_t VAddr, uint32_t Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, false);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if ((VAddr32 & 3) != 0)
@ -564,6 +598,11 @@ bool CMipsMemoryVM::SW_Memory(uint64_t VAddr, uint32_t Value)
bool CMipsMemoryVM::SD_Memory(uint64_t VAddr, uint64_t Value)
{
if ((uint64_t)((int32_t)VAddr) != VAddr)
{
GenerateAddressErrorException(VAddr, false);
return false;
}
uint32_t VAddr32 = (uint32_t)VAddr;
if ((VAddr & 7) != 0)