Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm/traps.h |
| 3 | * |
| 4 | * Copyright (C) 1993 Hamish Macdonald |
| 5 | * |
| 6 | * This file is subject to the terms and conditions of the GNU General Public |
| 7 | * License. See the file COPYING in the main directory of this archive |
| 8 | * for more details. |
| 9 | */ |
| 10 | |
| 11 | #ifndef _M68KNOMMU_TRAPS_H |
| 12 | #define _M68KNOMMU_TRAPS_H |
| 13 | |
| 14 | #ifndef __ASSEMBLY__ |
| 15 | |
| 16 | typedef void (*e_vector)(void); |
| 17 | |
| 18 | extern e_vector vectors[]; |
| 19 | |
| 20 | #endif |
| 21 | |
| 22 | #define VEC_BUSERR (2) |
| 23 | #define VEC_ADDRERR (3) |
| 24 | #define VEC_ILLEGAL (4) |
| 25 | #define VEC_ZERODIV (5) |
| 26 | #define VEC_CHK (6) |
| 27 | #define VEC_TRAP (7) |
| 28 | #define VEC_PRIV (8) |
| 29 | #define VEC_TRACE (9) |
| 30 | #define VEC_LINE10 (10) |
| 31 | #define VEC_LINE11 (11) |
| 32 | #define VEC_RESV1 (12) |
| 33 | #define VEC_COPROC (13) |
| 34 | #define VEC_FORMAT (14) |
| 35 | #define VEC_UNINT (15) |
| 36 | #define VEC_SPUR (24) |
| 37 | #define VEC_INT1 (25) |
| 38 | #define VEC_INT2 (26) |
| 39 | #define VEC_INT3 (27) |
| 40 | #define VEC_INT4 (28) |
| 41 | #define VEC_INT5 (29) |
| 42 | #define VEC_INT6 (30) |
| 43 | #define VEC_INT7 (31) |
| 44 | #define VEC_SYS (32) |
| 45 | #define VEC_TRAP1 (33) |
| 46 | #define VEC_TRAP2 (34) |
| 47 | #define VEC_TRAP3 (35) |
| 48 | #define VEC_TRAP4 (36) |
| 49 | #define VEC_TRAP5 (37) |
| 50 | #define VEC_TRAP6 (38) |
| 51 | #define VEC_TRAP7 (39) |
| 52 | #define VEC_TRAP8 (40) |
| 53 | #define VEC_TRAP9 (41) |
| 54 | #define VEC_TRAP10 (42) |
| 55 | #define VEC_TRAP11 (43) |
| 56 | #define VEC_TRAP12 (44) |
| 57 | #define VEC_TRAP13 (45) |
| 58 | #define VEC_TRAP14 (46) |
| 59 | #define VEC_TRAP15 (47) |
| 60 | #define VEC_FPBRUC (48) |
| 61 | #define VEC_FPIR (49) |
| 62 | #define VEC_FPDIVZ (50) |
| 63 | #define VEC_FPUNDER (51) |
| 64 | #define VEC_FPOE (52) |
| 65 | #define VEC_FPOVER (53) |
| 66 | #define VEC_FPNAN (54) |
| 67 | #define VEC_FPUNSUP (55) |
| 68 | #define VEC_UNIMPEA (60) |
| 69 | #define VEC_UNIMPII (61) |
| 70 | #define VEC_USER (64) |
| 71 | |
| 72 | #define VECOFF(vec) ((vec)<<2) |
| 73 | |
| 74 | #ifndef __ASSEMBLY__ |
| 75 | |
| 76 | /* Status register bits */ |
| 77 | #define PS_T (0x8000) |
| 78 | #define PS_S (0x2000) |
| 79 | #define PS_M (0x1000) |
| 80 | #define PS_C (0x0001) |
| 81 | |
| 82 | /* structure for stack frames */ |
| 83 | |
| 84 | struct frame { |
| 85 | struct pt_regs ptregs; |
| 86 | union { |
| 87 | struct { |
| 88 | unsigned long iaddr; /* instruction address */ |
| 89 | } fmt2; |
| 90 | struct { |
| 91 | unsigned long effaddr; /* effective address */ |
| 92 | } fmt3; |
| 93 | struct { |
| 94 | unsigned long effaddr; /* effective address */ |
| 95 | unsigned long pc; /* pc of faulted instr */ |
| 96 | } fmt4; |
| 97 | struct { |
| 98 | unsigned long effaddr; /* effective address */ |
| 99 | unsigned short ssw; /* special status word */ |
| 100 | unsigned short wb3s; /* write back 3 status */ |
| 101 | unsigned short wb2s; /* write back 2 status */ |
| 102 | unsigned short wb1s; /* write back 1 status */ |
| 103 | unsigned long faddr; /* fault address */ |
| 104 | unsigned long wb3a; /* write back 3 address */ |
| 105 | unsigned long wb3d; /* write back 3 data */ |
| 106 | unsigned long wb2a; /* write back 2 address */ |
| 107 | unsigned long wb2d; /* write back 2 data */ |
| 108 | unsigned long wb1a; /* write back 1 address */ |
| 109 | unsigned long wb1dpd0; /* write back 1 data/push data 0*/ |
| 110 | unsigned long pd1; /* push data 1*/ |
| 111 | unsigned long pd2; /* push data 2*/ |
| 112 | unsigned long pd3; /* push data 3*/ |
| 113 | } fmt7; |
| 114 | struct { |
| 115 | unsigned long iaddr; /* instruction address */ |
| 116 | unsigned short int1[4]; /* internal registers */ |
| 117 | } fmt9; |
| 118 | struct { |
| 119 | unsigned short int1; |
| 120 | unsigned short ssw; /* special status word */ |
| 121 | unsigned short isc; /* instruction stage c */ |
| 122 | unsigned short isb; /* instruction stage b */ |
| 123 | unsigned long daddr; /* data cycle fault address */ |
| 124 | unsigned short int2[2]; |
| 125 | unsigned long dobuf; /* data cycle output buffer */ |
| 126 | unsigned short int3[2]; |
| 127 | } fmta; |
| 128 | struct { |
| 129 | unsigned short int1; |
| 130 | unsigned short ssw; /* special status word */ |
| 131 | unsigned short isc; /* instruction stage c */ |
| 132 | unsigned short isb; /* instruction stage b */ |
| 133 | unsigned long daddr; /* data cycle fault address */ |
| 134 | unsigned short int2[2]; |
| 135 | unsigned long dobuf; /* data cycle output buffer */ |
| 136 | unsigned short int3[4]; |
| 137 | unsigned long baddr; /* stage B address */ |
| 138 | unsigned short int4[2]; |
| 139 | unsigned long dibuf; /* data cycle input buffer */ |
| 140 | unsigned short int5[3]; |
| 141 | unsigned ver : 4; /* stack frame version # */ |
| 142 | unsigned int6:12; |
| 143 | unsigned short int7[18]; |
| 144 | } fmtb; |
| 145 | } un; |
| 146 | }; |
| 147 | |
| 148 | #endif /* __ASSEMBLY__ */ |
| 149 | |
| 150 | #endif /* _M68KNOMMU_TRAPS_H */ |