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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __mips_CONTEXT_H__ |
29 | #ifndef __mips_CONTEXT_H__ |
30 | #define __mips_CONTEXT_H__ |
30 | #define __mips_CONTEXT_H__ |
31 | 31 | ||
32 | #define STACK_ITEM_SIZE 4 |
32 | #define STACK_ITEM_SIZE 4 |
33 | 33 | ||
34 | /* These are offsets into the register dump saved |
- | |
35 | * on exception entry |
- | |
36 | */ |
- | |
37 | #define EOFFSET_AT 0 |
- | |
38 | #define EOFFSET_V0 4 |
- | |
39 | #define EOFFSET_V1 8 |
- | |
40 | #define EOFFSET_A0 12 |
- | |
41 | #define EOFFSET_A1 16 |
- | |
42 | #define EOFFSET_A2 20 |
- | |
43 | #define EOFFSET_A3 24 |
- | |
44 | #define EOFFSET_A4 28 |
- | |
45 | #define EOFFSET_T1 32 |
- | |
46 | #define EOFFSET_T2 36 |
- | |
47 | #define EOFFSET_T3 40 |
- | |
48 | #define EOFFSET_T4 44 |
- | |
49 | #define EOFFSET_T5 48 |
- | |
50 | #define EOFFSET_T6 52 |
- | |
51 | #define EOFFSET_T7 56 |
- | |
52 | #define EOFFSET_T8 60 |
- | |
53 | #define EOFFSET_T9 64 |
- | |
54 | #define EOFFSET_S0 68 |
- | |
55 | #define EOFFSET_S1 72 |
- | |
56 | #define EOFFSET_S2 76 |
- | |
57 | #define EOFFSET_S3 80 |
- | |
58 | #define EOFFSET_S4 84 |
- | |
59 | #define EOFFSET_S5 88 |
- | |
60 | #define EOFFSET_S6 92 |
- | |
61 | #define EOFFSET_S7 96 |
- | |
62 | #define EOFFSET_S8 100 |
- | |
63 | #define EOFFSET_GP 104 |
- | |
64 | #define EOFFSET_RA 108 |
- | |
65 | #define EOFFSET_SP 112 |
- | |
66 | - | ||
67 | #define EOFFSET_LO 116 |
- | |
68 | #define EOFFSET_HI 120 |
- | |
69 | #define EOFFSET_STATUS 124 |
- | |
70 | - | ||
71 | #define REGISTER_SPACE 128 |
- | |
72 | - | ||
73 | /* |
34 | /* |
74 | * Put one item onto the stack to support get_stack_base(). |
35 | * Put one item onto the stack to support get_stack_base(). |
75 | */ |
36 | */ |
76 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
37 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
77 | 38 | ||
78 | 39 | ||
79 | #ifndef __ASM__ |
40 | #ifndef __ASM__ |
80 | 41 | ||
81 | #ifndef __mips_TYPES_H_ |
42 | #ifndef __mips_TYPES_H_ |
82 | # include <arch/types.h> |
43 | # include <arch/types.h> |
83 | #endif |
44 | #endif |
84 | 45 | ||
85 | /* |
46 | /* |
86 | * Only save registers that must be preserved across |
47 | * Only save registers that must be preserved across |
87 | * function calls. |
48 | * function calls. |
88 | */ |
49 | */ |
89 | struct context { |
50 | struct context { |
90 | __u32 sp; |
51 | __u32 sp; |
91 | __u32 pc; |
52 | __u32 pc; |
92 | 53 | ||
93 | __u32 s0; |
54 | __u32 s0; |
94 | __u32 s1; |
55 | __u32 s1; |
95 | __u32 s2; |
56 | __u32 s2; |
96 | __u32 s3; |
57 | __u32 s3; |
97 | __u32 s4; |
58 | __u32 s4; |
98 | __u32 s5; |
59 | __u32 s5; |
99 | __u32 s6; |
60 | __u32 s6; |
100 | __u32 s7; |
61 | __u32 s7; |
101 | __u32 s8; |
62 | __u32 s8; |
102 | __u32 gp; |
63 | __u32 gp; |
103 | 64 | ||
104 | __u32 pri; |
65 | __u32 pri; |
105 | }; |
66 | }; |
106 | 67 | ||
107 | #endif /* __ASM__ */ |
68 | #endif /* __ASM__ */ |
108 | 69 | ||
109 | #endif |
70 | #endif |
110 | 71 |