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001 /* Copyright (C) 2004 David Decotigny 002 Copyright (C) 1999 Free Software Foundation, Inc. 003 004 This program is free software; you can redistribute it and/or 005 modify it under the terms of the GNU General Public License 006 as published by the Free Software Foundation; either version 2 007 of the License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU General Public License for more details. 013 014 You should have received a copy of the GNU General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 017 USA. 018 */ 019 #ifndef _SOS_HWEXCEPT_H_ 020 #define _SOS_HWEXCEPT_H_ 021 022 /** 023 * @file exception.c 024 * 025 * Hardware exception routines management. 026 */ 027 028 #ifndef ASM_SOURCE 029 # include <sos/errno.h> 030 # include "cpu_context.h" 031 #endif 032 033 /** 034 * Standard Intel x86 exceptions. 035 * 036 * @see Intel x86 doc vol 3, section 5.12. 037 */ 038 #define SOS_EXCEPT_DIVIDE_ERROR 0 // No error code 039 #define SOS_EXCEPT_DEBUG 1 // No error code 040 #define SOS_EXCEPT_NMI_INTERRUPT 2 // No error code 041 #define SOS_EXCEPT_BREAKPOINT 3 // No error code 042 #define SOS_EXCEPT_OVERFLOW 4 // No error code 043 #define SOS_EXCEPT_BOUND_RANGE_EXCEDEED 5 // No error code 044 #define SOS_EXCEPT_INVALID_OPCODE 6 // No error code 045 #define SOS_EXCEPT_DEVICE_NOT_AVAILABLE 7 // No error code 046 #define SOS_EXCEPT_DOUBLE_FAULT 8 // Yes (Zero) 047 #define SOS_EXCEPT_COPROCESSOR_SEGMENT_OVERRUN 9 // No error code 048 #define SOS_EXCEPT_INVALID_TSS 10 // Yes 049 #define SOS_EXCEPT_SEGMENT_NOT_PRESENT 11 // Yes 050 #define SOS_EXCEPT_STACK_SEGMENT_FAULT 12 // Yes 051 #define SOS_EXCEPT_GENERAL_PROTECTION 13 // Yes 052 #define SOS_EXCEPT_PAGE_FAULT 14 // Yes 053 #define SOS_EXCEPT_INTEL_RESERVED_1 15 // No 054 #define SOS_EXCEPT_FLOATING_POINT_ERROR 16 // No 055 #define SOS_EXCEPT_ALIGNEMENT_CHECK 17 // Yes (Zero) 056 #define SOS_EXCEPT_MACHINE_CHECK 18 // No 057 #define SOS_EXCEPT_INTEL_RESERVED_2 19 // No 058 #define SOS_EXCEPT_INTEL_RESERVED_3 20 // No 059 #define SOS_EXCEPT_INTEL_RESERVED_4 21 // No 060 #define SOS_EXCEPT_INTEL_RESERVED_5 22 // No 061 #define SOS_EXCEPT_INTEL_RESERVED_6 23 // No 062 #define SOS_EXCEPT_INTEL_RESERVED_7 24 // No 063 #define SOS_EXCEPT_INTEL_RESERVED_8 25 // No 064 #define SOS_EXCEPT_INTEL_RESERVED_9 26 // No 065 #define SOS_EXCEPT_INTEL_RESERVED_10 27 // No 066 #define SOS_EXCEPT_INTEL_RESERVED_11 28 // No 067 #define SOS_EXCEPT_INTEL_RESERVED_12 29 // No 068 #define SOS_EXCEPT_INTEL_RESERVED_13 30 // No 069 #define SOS_EXCEPT_INTEL_RESERVED_14 31 // No 070 071 #ifndef ASM_SOURCE 072 073 typedef void (*sos_exception_handler_t)(int exception_number, 074 const struct sos_cpu_kstate *cpu_kstate); 075 076 sos_ret_t sos_exception_subsystem_setup(void); 077 sos_ret_t sos_exception_set_routine(int exception_number, 078 sos_exception_handler_t routine); 079 sos_exception_handler_t sos_exception_get_routine(int exception_number); 080 #endif /* ! ASM_SOURCE */ 081 082 #endif /* _SOS_HWEXCEPT_H_ */
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