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Diffstat (limited to 'sos-code-article6.5/hwcore/exception.h')
| -rw-r--r-- | sos-code-article6.5/hwcore/exception.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sos-code-article6.5/hwcore/exception.h b/sos-code-article6.5/hwcore/exception.h new file mode 100644 index 0000000..c58bbb2 --- /dev/null +++ b/sos-code-article6.5/hwcore/exception.h @@ -0,0 +1,83 @@ +/* Copyright (C) 2004 David Decotigny + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. +*/ +#ifndef _SOS_HWEXCEPT_H_ +#define _SOS_HWEXCEPT_H_ + +/** + * @file exception.c + * + * Hardware exception routines management. + */ + +#ifndef ASM_SOURCE +# include <sos/errno.h> +# include "cpu_context.h" +#endif + +/** + * Standard Intel x86 exceptions. + * + * @see Intel x86 doc vol 3, section 5.12. + */ +#define SOS_EXCEPT_DIVIDE_ERROR 0 // No error code +#define SOS_EXCEPT_DEBUG 1 // No error code +#define SOS_EXCEPT_NMI_INTERRUPT 2 // No error code +#define SOS_EXCEPT_BREAKPOINT 3 // No error code +#define SOS_EXCEPT_OVERFLOW 4 // No error code +#define SOS_EXCEPT_BOUND_RANGE_EXCEDEED 5 // No error code +#define SOS_EXCEPT_INVALID_OPCODE 6 // No error code +#define SOS_EXCEPT_DEVICE_NOT_AVAILABLE 7 // No error code +#define SOS_EXCEPT_DOUBLE_FAULT 8 // Yes (Zero) +#define SOS_EXCEPT_COPROCESSOR_SEGMENT_OVERRUN 9 // No error code +#define SOS_EXCEPT_INVALID_TSS 10 // Yes +#define SOS_EXCEPT_SEGMENT_NOT_PRESENT 11 // Yes +#define SOS_EXCEPT_STACK_SEGMENT_FAULT 12 // Yes +#define SOS_EXCEPT_GENERAL_PROTECTION 13 // Yes +#define SOS_EXCEPT_PAGE_FAULT 14 // Yes +#define SOS_EXCEPT_INTEL_RESERVED_1 15 // No +#define SOS_EXCEPT_FLOATING_POINT_ERROR 16 // No +#define SOS_EXCEPT_ALIGNEMENT_CHECK 17 // Yes (Zero) +#define SOS_EXCEPT_MACHINE_CHECK 18 // No +#define SOS_EXCEPT_INTEL_RESERVED_2 19 // No +#define SOS_EXCEPT_INTEL_RESERVED_3 20 // No +#define SOS_EXCEPT_INTEL_RESERVED_4 21 // No +#define SOS_EXCEPT_INTEL_RESERVED_5 22 // No +#define SOS_EXCEPT_INTEL_RESERVED_6 23 // No +#define SOS_EXCEPT_INTEL_RESERVED_7 24 // No +#define SOS_EXCEPT_INTEL_RESERVED_8 25 // No +#define SOS_EXCEPT_INTEL_RESERVED_9 26 // No +#define SOS_EXCEPT_INTEL_RESERVED_10 27 // No +#define SOS_EXCEPT_INTEL_RESERVED_11 28 // No +#define SOS_EXCEPT_INTEL_RESERVED_12 29 // No +#define SOS_EXCEPT_INTEL_RESERVED_13 30 // No +#define SOS_EXCEPT_INTEL_RESERVED_14 31 // No + +#ifndef ASM_SOURCE + +typedef void (*sos_exception_handler_t)(int exception_number, + const struct sos_cpu_state *cpu_kstate); + +sos_ret_t sos_exception_subsystem_setup(void); +sos_ret_t sos_exception_set_routine(int exception_number, + sos_exception_handler_t routine); +sos_exception_handler_t sos_exception_get_routine(int exception_number); + +const char * sos_exception_get_name(int exception_number); +#endif /* ! ASM_SOURCE */ + +#endif /* _SOS_HWEXCEPT_H_ */ |