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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 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 __ia64_CONTEXT_H__ |
29 | #ifndef __ia64_CONTEXT_H__ |
| 30 | #define __ia64_CONTEXT_H__ |
30 | #define __ia64_CONTEXT_H__ |
| 31 | 31 | ||
| 32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
| 33 | 33 | ||
| - | 34 | /* |
|
| - | 35 | * context_save() and context_restore() are both leaf procedures. |
|
| - | 36 | * No need to allocate scratch area. |
|
| - | 37 | */ |
|
| 34 | #define SP_DELTA 16 |
38 | #define SP_DELTA 0 |
| 35 | 39 | ||
| 36 | struct context { |
40 | struct context { |
| - | 41 | /* |
|
| - | 42 | * General registers |
|
| - | 43 | */ |
|
| 37 | __u64 r1; |
44 | __u64 r1; |
| 38 | __u64 r2; |
45 | __u64 r2; |
| 39 | __u64 r3; |
46 | __u64 r3; |
| 40 | __u64 r4; |
47 | __u64 r4; |
| 41 | __u64 r5; |
48 | __u64 r5; |
| 42 | __u64 r6; |
49 | __u64 r6; |
| 43 | __u64 r7; |
50 | __u64 r7; |
| 44 | __u64 r8; |
51 | __u64 r8; |
| 45 | __u64 r9; |
52 | __u64 r9; |
| 46 | __u64 r10; |
53 | __u64 r10; |
| 47 | __u64 r11; |
54 | __u64 r11; |
| 48 | __u64 sp; /* r12 */ |
55 | __u64 sp; /* r12 */ |
| 49 | __u64 r13; |
56 | __u64 r13; |
| 50 | __u64 r14; |
57 | __u64 r14; |
| 51 | __u64 r15; |
58 | __u64 r15; |
| 52 | __u64 r16; |
59 | __u64 r16; |
| 53 | __u64 r17; |
60 | __u64 r17; |
| 54 | __u64 r18; |
61 | __u64 r18; |
| 55 | __u64 r19; |
62 | __u64 r19; |
| 56 | __u64 r20; |
63 | __u64 r20; |
| 57 | __u64 r21; |
64 | __u64 r21; |
| 58 | __u64 r22; |
65 | __u64 r22; |
| 59 | __u64 r23; |
66 | __u64 r23; |
| 60 | __u64 r24; |
67 | __u64 r24; |
| 61 | __u64 r25; |
68 | __u64 r25; |
| 62 | __u64 r26; |
69 | __u64 r26; |
| 63 | __u64 r27; |
70 | __u64 r27; |
| 64 | __u64 r28; |
71 | __u64 r28; |
| 65 | __u64 r29; |
72 | __u64 r29; |
| 66 | __u64 r30; |
73 | __u64 r30; |
| 67 | __u64 r31; |
74 | __u64 r31; |
| - | 75 | ||
| - | 76 | /* |
|
| - | 77 | * Branch registers |
|
| - | 78 | */ |
|
| 68 | __u64 pc; /* b0 */ |
79 | __u64 pc; /* b0 */ |
| - | 80 | __u64 b1; |
|
| - | 81 | __u64 b2; |
|
| - | 82 | __u64 b3; |
|
| - | 83 | __u64 b4; |
|
| - | 84 | __u64 b5; |
|
| - | 85 | __u64 b6; |
|
| - | 86 | __u64 b7; |
|
| - | 87 | ||
| - | 88 | /* |
|
| - | 89 | * Predicate registers |
|
| - | 90 | */ |
|
| - | 91 | __u64 pr; |
|
| - | 92 | ||
| 69 | pri_t pri; |
93 | pri_t pri; |
| 70 | } __attribute__ ((packed)); |
94 | } __attribute__ ((packed)); |
| 71 | 95 | ||
| 72 | #endif |
96 | #endif |
| 73 | 97 | ||