projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| e5568f75 A |
6 | * The contents of this file constitute Original Code as defined in and |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 1c79356b | 11 | * |
| e5568f75 A |
12 | * This Original Code and all software distributed under the License are |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| e5568f75 A |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 1c79356b A |
19 | * |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* | |
| 23 | * @OSF_COPYRIGHT@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * Mach Operating System | |
| 27 | * Copyright (c) 1991,1990 Carnegie Mellon University | |
| 28 | * All Rights Reserved. | |
| 29 | * | |
| 30 | * Permission to use, copy, modify and distribute this software and its | |
| 31 | * documentation is hereby granted, provided that both the copyright | |
| 32 | * notice and this permission notice appear in all copies of the | |
| 33 | * software, derivative works or modified versions, and any portions | |
| 34 | * thereof, and that both notices appear in supporting documentation. | |
| 35 | * | |
| 36 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 37 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 38 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 39 | * | |
| 40 | * Carnegie Mellon requests users of this software to return to | |
| 41 | * | |
| 42 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 43 | * School of Computer Science | |
| 44 | * Carnegie Mellon University | |
| 45 | * Pittsburgh PA 15213-3890 | |
| 46 | * | |
| 47 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 48 | * the rights to redistribute these changes. | |
| 49 | */ | |
| 50 | /* | |
| 51 | */ | |
| 52 | ||
| 53 | #ifndef _I386_TRAP_H_ | |
| 54 | #define _I386_TRAP_H_ | |
| 55 | ||
| 56 | /* | |
| 57 | * Hardware trap vectors for i386. | |
| 58 | */ | |
| 59 | #define T_DIVIDE_ERROR 0 | |
| 60 | #define T_DEBUG 1 | |
| 61 | #define T_NMI 2 /* non-maskable interrupt */ | |
| 62 | #define T_INT3 3 /* int 3 instruction */ | |
| 63 | #define T_OVERFLOW 4 /* overflow test */ | |
| 64 | #define T_OUT_OF_BOUNDS 5 /* bounds check */ | |
| 65 | #define T_INVALID_OPCODE 6 /* invalid op code */ | |
| 66 | #define T_NO_FPU 7 /* no floating point */ | |
| 67 | #define T_DOUBLE_FAULT 8 /* double fault */ | |
| 68 | #define T_FPU_FAULT 9 | |
| 69 | /* 10 */ | |
| 70 | #define T_SEGMENT_NOT_PRESENT 11 | |
| 71 | #define T_STACK_FAULT 12 | |
| 72 | #define T_GENERAL_PROTECTION 13 | |
| 73 | #define T_PAGE_FAULT 14 | |
| 74 | /* 15 */ | |
| 75 | #define T_FLOATING_POINT_ERROR 16 | |
| 76 | #define T_WATCHPOINT 17 | |
| 77 | #define T_PREEMPT 255 | |
| 78 | ||
| 79 | #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \ | |
| 80 | "overflow", "bounds check", "invalid opcode", \ | |
| 81 | "no coprocessor", "double fault", "coprocessor overrun", \ | |
| 82 | "invalid TSS", "segment not present", "stack bounds", \ | |
| 83 | "general protection", "page fault", "(reserved)", \ | |
| 84 | "coprocessor error", "watchpoint" | |
| 85 | ||
| 86 | /* | |
| 87 | * Page-fault trap codes. | |
| 88 | */ | |
| 89 | #define T_PF_PROT 0x1 /* protection violation */ | |
| 90 | #define T_PF_WRITE 0x2 /* write access */ | |
| 91 | #define T_PF_USER 0x4 /* from user state */ | |
| 92 | ||
| 93 | #if !defined(ASSEMBLER) && defined(MACH_KERNEL) | |
| 94 | ||
| 95 | #include <i386/thread.h> | |
| 96 | ||
| 97 | extern void i386_exception( | |
| 98 | int exc, | |
| 99 | int code, | |
| 100 | int subcode); | |
| 101 | ||
| 102 | extern void thread_exception_return(void); | |
| 103 | ||
| 104 | extern boolean_t kernel_trap( | |
| 105 | struct i386_saved_state *regs); | |
| 106 | ||
| 107 | extern void panic_trap( | |
| 108 | struct i386_saved_state *regs); | |
| 109 | ||
| 110 | extern void user_trap( | |
| 111 | struct i386_saved_state *regs); | |
| 112 | ||
| 113 | extern void i386_astintr(int preemption); | |
| 114 | ||
| 115 | #endif /* !ASSEMBLER && MACH_KERNEL */ | |
| 116 | ||
| 117 | #endif /* _I386_TRAP_H_ */ |