| 1 | /*
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| 2 | * Copyright (C) 2003-2004 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef __mips32_EXCEPTION_H__
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| 30 | #define __mips32_EXCEPTION_H__
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| 31 |
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| 32 | #ifndef __mips32_TYPES_H__
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| 33 | # include <arch/types.h>
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| 34 | #endif
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| 35 |
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| 36 | #define EXC_Int 0
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| 37 | #define EXC_Mod 1
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| 38 | #define EXC_TLBL 2
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| 39 | #define EXC_TLBS 3
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| 40 | #define EXC_AdEL 4
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| 41 | #define EXC_AdES 5
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| 42 | #define EXC_IBE 6
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| 43 | #define EXC_DBE 7
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| 44 | #define EXC_Sys 8
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| 45 | #define EXC_Bp 9
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| 46 | #define EXC_RI 10
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| 47 | #define EXC_CpU 11
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| 48 | #define EXC_Ov 12
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| 49 | #define EXC_Tr 13
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| 50 | #define EXC_VCEI 14
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| 51 | #define EXC_FPE 15
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| 52 | #define EXC_WATCH 23
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| 53 | #define EXC_VCED 31
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| 54 |
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| 55 | struct exception_regdump {
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| 56 | __u32 at;
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| 57 | __u32 v0;
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| 58 | __u32 v1;
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| 59 | __u32 a0;
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| 60 | __u32 a1;
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| 61 | __u32 a2;
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| 62 | __u32 a3;
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| 63 | __u32 t0;
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| 64 | __u32 t1;
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| 65 | __u32 t2;
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| 66 | __u32 t3;
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| 67 | __u32 t4;
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| 68 | __u32 t5;
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| 69 | __u32 t6;
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| 70 | __u32 t7;
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| 71 | __u32 s0;
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| 72 | __u32 s1;
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| 73 | __u32 s2;
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| 74 | __u32 s3;
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| 75 | __u32 s4;
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| 76 | __u32 s5;
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| 77 | __u32 s6;
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| 78 | __u32 s7;
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| 79 | __u32 t8;
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| 80 | __u32 t9;
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| 81 | __u32 gp;
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| 82 | __u32 sp;
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| 83 | __u32 s8;
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| 84 | __u32 ra;
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| 85 |
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| 86 | __u32 lo;
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| 87 | __u32 hi;
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| 88 |
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| 89 | __u32 status; /* cp0_status */
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| 90 | __u32 epc; /* cp0_epc */
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| 91 | };
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| 92 |
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| 93 | extern void exception(struct exception_regdump *pstate);
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| 94 | extern void tlb_refill_entry(void);
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| 95 | extern void exception_entry(void);
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| 96 | extern void cache_error_entry(void);
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| 97 | extern void exception_init(void);
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| 98 | #endif
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