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1da177e4 LT |
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 */ |