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 16typedef void (*e_vector)(void); 17 18extern 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 84struct 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 */ 151