| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | /* |
| | 29 | * @OSF_COPYRIGHT@ |
| | 30 | */ |
| | 31 | /* |
| | 32 | * Mach Operating System |
| | 33 | * Copyright (c) 1991,1990 Carnegie Mellon University |
| | 34 | * All Rights Reserved. |
| | 35 | * |
| | 36 | * Permission to use, copy, modify and distribute this software and its |
| | 37 | * documentation is hereby granted, provided that both the copyright |
| | 38 | * notice and this permission notice appear in all copies of the |
| | 39 | * software, derivative works or modified versions, and any portions |
| | 40 | * thereof, and that both notices appear in supporting documentation. |
| | 41 | * |
| | 42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| | 43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| | 44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| | 45 | * |
| | 46 | * Carnegie Mellon requests users of this software to return to |
| | 47 | * |
| | 48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| | 49 | * School of Computer Science |
| | 50 | * Carnegie Mellon University |
| | 51 | * Pittsburgh PA 15213-3890 |
| | 52 | * |
| | 53 | * any improvements or extensions that they make and grant Carnegie Mellon |
| | 54 | * the rights to redistribute these changes. |
| | 55 | */ |
| | 56 | /* |
| | 57 | */ |
| | 58 | |
| | 59 | #ifndef _I386_TRAP_H_ |
| | 60 | #define _I386_TRAP_H_ |
| | 61 | |
| | 62 | /* |
| | 63 | * Hardware trap vectors for i386. |
| | 64 | */ |
| | 65 | #define T_DIVIDE_ERROR 0 |
| | 66 | #define T_DEBUG 1 |
| | 67 | #define T_NMI 2 /* non-maskable interrupt */ |
| | 68 | #define T_INT3 3 /* int 3 instruction */ |
| | 69 | #define T_OVERFLOW 4 /* overflow test */ |
| | 70 | #define T_OUT_OF_BOUNDS 5 /* bounds check */ |
| | 71 | #define T_INVALID_OPCODE 6 /* invalid op code */ |
| | 72 | #define T_NO_FPU 7 /* no floating point */ |
| | 73 | #define T_DOUBLE_FAULT 8 /* double fault */ |
| | 74 | #define T_FPU_FAULT 9 |
| | 75 | /* 10 */ |
| | 76 | #define T_SEGMENT_NOT_PRESENT 11 |
| | 77 | #define T_STACK_FAULT 12 |
| | 78 | #define T_GENERAL_PROTECTION 13 |
| | 79 | #define T_PAGE_FAULT 14 |
| | 80 | /* 15 */ |
| | 81 | #define T_FLOATING_POINT_ERROR 16 |
| | 82 | #define T_WATCHPOINT 17 |
| | 83 | #define T_MACHINE_CHECK 18 |
| | 84 | #define T_SSE_FLOAT_ERROR 19 |
| | 85 | #define T_PREEMPT 255 |
| | 86 | |
| | 87 | #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \ |
| | 88 | "overflow", "bounds check", "invalid opcode", \ |
| | 89 | "no coprocessor", "double fault", "coprocessor overrun", \ |
| | 90 | "invalid TSS", "segment not present", "stack bounds", \ |
| | 91 | "general protection", "page fault", "(reserved)", \ |
| | 92 | "coprocessor error", "watchpoint", "(reserved)", "SSE floating point" |
| | 93 | |
| | 94 | /* |
| | 95 | * Page-fault trap codes. |
| | 96 | */ |
| | 97 | #define T_PF_PROT 0x1 /* protection violation */ |
| | 98 | #define T_PF_WRITE 0x2 /* write access */ |
| | 99 | #define T_PF_USER 0x4 /* from user state */ |
| | 100 | |
| | 101 | #ifdef PAE |
| | 102 | #define T_PF_RSVD 0x8 /* reserved bit set to 1 */ |
| | 103 | #define T_PF_EXECUTE 0x10 /* instruction fetch when NX */ |
| | 104 | #endif |
| | 105 | |
| | 106 | |
| | 107 | #if !defined(ASSEMBLER) && defined(MACH_KERNEL) |
| | 108 | |
| | 109 | #include <i386/thread.h> |
| | 110 | |
| | 111 | extern void i386_exception( |
| | 112 | int exc, |
| | 113 | int code, |
| | 114 | int subcode); |
| | 115 | |
| | 116 | extern void sync_iss_to_iks(x86_saved_state32_t *regs); |
| | 117 | |
| | 118 | extern void sync_iss_to_iks_unconditionally(x86_saved_state32_t *regs); |
| | 119 | |
| | 120 | extern void kernel_trap(x86_saved_state_t *regs); |
| | 121 | |
| | 122 | extern void user_trap(x86_saved_state_t *regs); |
| | 123 | |
| | 124 | extern void panic_double_fault(int code); |
| | 125 | |
| | 126 | extern void panic_double_fault64(x86_saved_state_t *regs); |
| | 127 | |
| | 128 | extern void panic_machine_check(int code); |
| | 129 | |
| | 130 | extern void panic_machine_check64(x86_saved_state_t *regs); |
| | 131 | |
| | 132 | extern void i386_astintr(int preemption); |
| | 133 | |
| | 134 | |
| | 135 | typedef kern_return_t (*perfCallback)( |
| | 136 | int trapno, |
| | 137 | void *regs, |
| | 138 | int unused1, |
| | 139 | int unused2); |
| | 140 | |
| | 141 | extern perfCallback perfTrapHook; |
| | 142 | extern perfCallback perfASTHook; |
| | 143 | extern perfCallback perfIntHook; |
| | 144 | |
| | 145 | #if MACH_KDP |
| | 146 | extern boolean_t kdp_i386_trap( |
| | 147 | unsigned int, |
| | 148 | x86_saved_state32_t *, |
| | 149 | kern_return_t, |
| | 150 | vm_offset_t); |
| | 151 | extern void panic_i386_backtrace(void *, int); |
| | 152 | #endif /* MACH_KDP */ |
| | 153 | #endif /* !ASSEMBLER && MACH_KERNEL */ |
| | 154 | |
| | 155 | #endif /* _I386_TRAP_H_ */ |
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