d79083a390
something wrong with the kernel stack. Add code to check the kernel stack pointer in various important places and try hard not to go down in flames if its wrong.
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*-
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* Copyright (c) 2001 Jake Burkholder.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_TRAP_H_
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#define _MACHINE_TRAP_H_
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#ifdef _KERNEL
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#define T_RESERVED 0
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#define T_INSTRUCTION_EXCEPTION 1
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#define T_INSTRUCTION_ERROR 2
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#define T_INSTRUCTION_PROTECTION 3
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#define T_ILLTRAP_INSTRUCTION 4
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#define T_ILLEGAL_INSTRUCTION 5
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#define T_PRIVILEGED_OPCODE 6
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#define T_FP_DISABLED 7
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#define T_FP_EXCEPTION_IEEE_754 8
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#define T_FP_EXCEPTION_OTHER 9
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#define T_TAG_OFERFLOW 10
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#define T_DIVISION_BY_ZERO 11
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#define T_DATA_EXCEPTION 12
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#define T_DATA_ERROR 13
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#define T_DATA_PROTECTION 14
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#define T_MEM_ADDRESS_NOT_ALIGNED 15
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#define T_PRIVILEGED_ACTION 16
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#define T_ASYNC_DATA_ERROR 17
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#define T_TRAP_INSTRUCTION_16 18
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#define T_TRAP_INSTRUCTION_17 19
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#define T_TRAP_INSTRUCTION_18 20
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#define T_TRAP_INSTRUCTION_19 21
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#define T_TRAP_INSTRUCTION_20 22
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#define T_TRAP_INSTRUCTION_21 23
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#define T_TRAP_INSTRUCTION_22 24
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#define T_TRAP_INSTRUCTION_23 25
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#define T_TRAP_INSTRUCTION_24 26
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#define T_TRAP_INSTRUCTION_25 27
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#define T_TRAP_INSTRUCTION_26 28
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#define T_TRAP_INSTRUCTION_27 29
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#define T_TRAP_INSTRUCTION_28 30
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#define T_TRAP_INSTRUCTION_29 31
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#define T_TRAP_INSTRUCTION_30 32
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#define T_TRAP_INSTRUCTION_31 33
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#define T_INTERRUPT 34
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#define T_PA_WATCHPOINT 35
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#define T_VA_WATCHPOINT 36
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#define T_CORRECTED_ECC_ERROR 37
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#define T_INSTRUCTION_MISS 38
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#define T_DATA_MISS 39
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#define T_SPILL 40
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#define T_FILL 41
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#define T_FILL_RET 42
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#define T_BREAKPOINT 43
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#define T_CLEAN_WINDOW 44
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#define T_RANGE_CHECK 45
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#define T_FIX_ALIGNMENT 46
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#define T_INTEGER_OVERFLOW 47
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#define T_SYSCALL 48
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#define T_RSTRWP_PHYS 49
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#define T_RSTRWP_VIRT 50
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#define T_KSTACK_FAULT 51
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#define T_KERNEL 64
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#ifndef LOCORE
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extern const char *trap_msg[];
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#endif
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#endif
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#endif /* !_MACHINE_TRAP_H_ */
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