/* $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_ */
