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/* $OpenBSD: trap.h,v 1.12 2020/09/25 15:10:48 deraadt Exp $ */
/*
* Mach Operating System
* Copyright (c) 1992 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#ifndef _M88K_TRAP_H_
#define _M88K_TRAP_H_
/*
* Trap type values. These have no relation to the trap vector offsets in
* the VBR page.
*/
#define T_PRIVINFLT 0 /* privileged instruction fault */
#define T_INSTFLT 1 /* instruction access exception */
#define T_DATAFLT 2 /* data access exception */
#define T_MISALGNFLT 3 /* misaligned access exception */
#define T_ILLFLT 4 /* unimplemented opcode exception */
#define T_BNDFLT 5 /* bounds check violation exception */
#define T_ZERODIV 6 /* illegal divide exception */
#define T_OVFFLT 7 /* integer overflow exception */
#define T_FPEPFLT 8 /* floating point precise exception */
#define T_FPEIFLT 9 /* floating point imprecise exception (88100) */
#define T_KDB_ENTRY 10 /* force entry to kernel debugger */
#define T_KDB_BREAK 11 /* break point hit */
#define T_KDB_TRACE 12 /* trace */
#define T_UNKNOWNFLT 13 /* unknown exception */
#define T_SIGSYS 14 /* generate SIGSYS */
#define T_STEPBPT 15 /* special breakpoint for single step */
#define T_USERBPT 16 /* user set breakpoint (for debugger) */
#define T_110_DRM 17 /* 88110 data read miss (sw table walk) */
#define T_110_DWM 18 /* 88110 data write miss (sw table walk) */
#define T_110_IAM 19 /* 88110 inst ATC miss (sw table walk) */
#define T_USER 0x40 /* or'd to trap code if user mode fault */
#ifndef _LOCORE
void ast(struct trapframe *);
void cache_flush(struct trapframe *);
void interrupt(struct trapframe *);
int nmi(struct trapframe *);
void nmi_wrapup(struct trapframe *);
void m88100_syscall(register_t, struct trapframe *);
void m88100_trap(u_int, struct trapframe *);
void m88110_syscall(register_t, struct trapframe *);
void m88110_trap(u_int, struct trapframe *);
void m88100_fpu_imprecise_exception(struct trapframe *);
void m88100_fpu_precise_exception(struct trapframe *);
void m88110_fpu_exception(struct trapframe *);
#endif /* _LOCORE */
#endif /* _M88K_TRAP_H_ */
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