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

Core: Fix CoprocessorUnitNumber on exception

This commit is contained in:
zilmar 2023-03-20 12:09:06 +10:30
parent 7f7aee7232
commit 96787690c7
2 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
Source/Project64-core/N64System/Mips/Register.cpp
View File

@ -553,6 +553,7 @@ void CRegisters::DoAddressError(bool DelaySlot, uint64_t BadVaddr, bool FromRead
{
CAUSE_REGISTER.ExceptionCode = EXC_WADE;
}
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
BAD_VADDR_REGISTER = BadVaddr;
CONTEXT_REGISTER.BadVPN2 = BadVaddr >> 13;
XCONTEXT_REGISTER.BadVPN2 = BadVaddr >> 13;
@ -607,6 +608,7 @@ void CRegisters::DoBreakException(bool DelaySlot)
}
CAUSE_REGISTER.ExceptionCode = EXC_BREAK;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
CAUSE_REGISTER.BranchDelay = 1;
@ -624,6 +626,7 @@ void CRegisters::DoBreakException(bool DelaySlot)
void CRegisters::DoFloatingPointException(bool DelaySlot)
{
CAUSE_REGISTER.ExceptionCode = EXC_FPE;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
EPC_REGISTER = (int64_t)((int32_t)m_PROGRAM_COUNTER - 4);
@ -641,6 +644,7 @@ void CRegisters::DoFloatingPointException(bool DelaySlot)
void CRegisters::DoTrapException(bool DelaySlot)
{
CAUSE_REGISTER.ExceptionCode = EXC_TRAP;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
EPC_REGISTER = (int64_t)((int32_t)m_PROGRAM_COUNTER - 4);
@ -669,18 +673,7 @@ void CRegisters::DoCopUnusableException(bool DelaySlot, int32_t Coprocessor)
}
CAUSE_REGISTER.ExceptionCode = EXC_CPU;
if (Coprocessor == 1)
{
CAUSE_REGISTER.Value |= 0x10000000;
}
else if (Coprocessor == 2)
{
CAUSE_REGISTER.Value |= 0x20000000;
}
else if (Coprocessor == 3)
{
CAUSE_REGISTER.Value |= 0x30000000;
}
CAUSE_REGISTER.CoprocessorUnitNumber = Coprocessor;
if (DelaySlot)
{
CAUSE_REGISTER.BranchDelay = 1;
@ -718,6 +711,7 @@ bool CRegisters::DoIntrException(bool DelaySlot)
}
CAUSE_REGISTER.ExceptionCode = EXC_INT;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
@ -738,6 +732,7 @@ bool CRegisters::DoIntrException(bool DelaySlot)
void CRegisters::DoIllegalInstructionException(bool DelaySlot)
{
CAUSE_REGISTER.ExceptionCode = EXC_II;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
CAUSE_REGISTER.BranchDelay = 1;
@ -755,6 +750,7 @@ void CRegisters::DoIllegalInstructionException(bool DelaySlot)
void CRegisters::DoOverflowException(bool DelaySlot)
{
CAUSE_REGISTER.ExceptionCode = EXC_OV;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
CAUSE_REGISTER.BranchDelay = 1;
@ -772,6 +768,7 @@ void CRegisters::DoOverflowException(bool DelaySlot)
void CRegisters::DoTLBReadMiss(bool DelaySlot, uint64_t BadVaddr)
{
CAUSE_REGISTER.ExceptionCode = EXC_RMISS;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
BAD_VADDR_REGISTER = BadVaddr;
CONTEXT_REGISTER.BadVPN2 = BadVaddr >> 13;
ENTRYHI_REGISTER = (BadVaddr & 0xFFFFE000);
@ -810,6 +807,7 @@ void CRegisters::DoTLBReadMiss(bool DelaySlot, uint64_t BadVaddr)
void CRegisters::DoTLBWriteMiss(bool DelaySlot, uint64_t BadVaddr)
{
CAUSE_REGISTER.ExceptionCode = EXC_WMISS;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
BAD_VADDR_REGISTER = BadVaddr;
CONTEXT_REGISTER.BadVPN2 = BadVaddr >> 13;
ENTRYHI_REGISTER = (BadVaddr & 0xFFFFE000);
@ -860,6 +858,7 @@ void CRegisters::DoSysCallException(bool DelaySlot)
}
CAUSE_REGISTER.ExceptionCode = EXC_SYSCALL;
CAUSE_REGISTER.CoprocessorUnitNumber = 0;
if (DelaySlot)
{
CAUSE_REGISTER.BranchDelay = 1;

4
Source/Project64-core/N64System/Mips/Register.h
View File

@ -29,7 +29,9 @@ union COP0Cause
unsigned ExceptionCode : 5;
unsigned : 1;
unsigned PendingInterrupts : 8;
unsigned : 15;
unsigned : 12;
unsigned CoprocessorUnitNumber : 2;
unsigned : 1;
unsigned BranchDelay : 1;
};
};