cog/Frameworks/lazyusf/lazyusf/exception.h

76 lines
3.5 KiB
C

/*
* Project 64 - A Nintendo 64 emulator.
*
* (c) Copyright 2001 zilmar (zilmar@emulation64.com) and
* Jabo (jabo@emulation64.com).
*
* pj64 homepage: www.pj64.net
*
* Permission to use, copy, modify and distribute Project64 in both binary and
* source form, for non-commercial purposes, is hereby granted without fee,
* providing that this license information and copyright notice appear with
* all copies and any derived work.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event shall the authors be held liable for any damages
* arising from the use of this software.
*
* Project64 is freeware for PERSONAL USE only. Commercial users should
* seek permission of the copyright holders first. Commercial use includes
* charging money for Project64 or software derived from Project64.
*
* The copyright holders request that bug fixes and improvements to the code
* should be forwarded to them so if they want them.
*
*/
#define EXC_CODE(x) ((x)<<2)
#define EXC_INT EXC_CODE(0) /* interrupt */
#define EXC_MOD EXC_CODE(1) /* TLB mod */
#define EXC_RMISS EXC_CODE(2) /* Read TLB Miss */
#define EXC_WMISS EXC_CODE(3) /* Write TLB Miss */
#define EXC_RADE EXC_CODE(4) /* Read Address Error */
#define EXC_WADE EXC_CODE(5) /* Write Address Error */
#define EXC_IBE EXC_CODE(6) /* Instruction Bus Error */
#define EXC_DBE EXC_CODE(7) /* Data Bus Error */
#define EXC_SYSCALL EXC_CODE(8) /* SYSCALL */
#define EXC_BREAK EXC_CODE(9) /* BREAKpoint */
#define EXC_II EXC_CODE(10)/* Illegal Instruction */
#define EXC_CPU EXC_CODE(11)/* CoProcessor Unusable */
#define EXC_OV EXC_CODE(12)/* OVerflow */
#define EXC_TRAP EXC_CODE(13)/* Trap exception */
#define EXC_VCEI EXC_CODE(14)/* Virt. Coherency on Inst. fetch */
#define EXC_FPE EXC_CODE(15)/* Floating Point Exception */
#define EXC_WATCH EXC_CODE(23)/* Watchpoint reference */
#define EXC_VCED EXC_CODE(31)/* Virt. Coherency on data read */
#define Exception_Name(Except)\
(Except) == EXC_INT ? "interrupt" :\
(Except) == EXC_MOD ? "TLB mod" :\
(Except) == EXC_RMISS ? "Read TLB Miss" :\
(Except) == EXC_WMISS ? "Write TLB Miss" :\
(Except) == EXC_RADE ? "Read Address Error" :\
(Except) == EXC_WADE ? "Write Address Error" :\
(Except) == EXC_IBE ? "Instruction Bus Error" :\
(Except) == EXC_DBE ? "Data Bus Error" :\
(Except) == EXC_SYSCALL ? "SYSCALL" :\
(Except) == EXC_BREAK ? "Break" :\
(Except) == EXC_II ? "Illegal Instruction" :\
(Except) == EXC_CPU ? "CoProcessor Unusable" :\
(Except) == EXC_OV ? "OVerflow" :\
(Except) == EXC_TRAP ? "Trap exception" :\
(Except) == EXC_VCEI ? "Virt. Coherency on Inst. fetch" :\
(Except) == EXC_FPE ? "Floating Point Exception" :\
(Except) == EXC_WATCH ? "Watchpoint reference" :\
(Except) == EXC_VCED ? "Virt. Coherency on data read" :\
"Unkown"
void AiCheckInterrupts ( usf_state_t * );
void CheckInterrupts ( usf_state_t * );
void DoAddressError ( usf_state_t *, uint32_t DelaySlot, uint32_t BadVaddr, uint32_t FromRead );
void DoBreakException ( usf_state_t *, uint32_t DelaySlot );
void DoCopUnusableException ( usf_state_t *, uint32_t DelaySlot, uint32_t Coprocessor );
void DoIntrException ( usf_state_t *, uint32_t DelaySlot );
void DoTLBMiss ( usf_state_t *, uint32_t DelaySlot, uint32_t BadVaddr );
void DoSysCallException ( usf_state_t *, uint32_t DelaySlot);