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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */