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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 | /* |
34 | /* |
35 | * context_save() and context_restore() are both leaf procedures. |
35 | * context_save() and context_restore() are both leaf procedures. |
36 | * No need to allocate scratch area. |
36 | * No need to allocate scratch area. |
37 | */ |
37 | */ |
38 | #define SP_DELTA 0 |
38 | #define SP_DELTA 0 |
39 | 39 | ||
40 | struct context { |
40 | struct context { |
- | 41 | ||
- | 42 | /* |
|
- | 43 | * Application registers |
|
- | 44 | */ |
|
41 | __u64 pfs; |
45 | __u64 ar_pfs; |
42 | __u64 unat_caller; |
46 | __u64 ar_unat_caller; |
43 | __u64 unat_callee; |
47 | __u64 ar_unat_callee; |
- | 48 | __u64 ar_rsc; |
|
- | 49 | __u64 ar_bsp; |
|
- | 50 | __u64 ar_rnat; |
|
- | 51 | __u64 ar_lc; |
|
- | 52 | __u64 ar_ec; |
|
- | 53 | __u64 ar_ccv; |
|
- | 54 | __u64 ar_csd; |
|
- | 55 | __u64 ar_ssd; |
|
44 | 56 | ||
45 | /* |
57 | /* |
46 | * General registers |
58 | * General registers |
47 | */ |
59 | */ |
48 | __u64 r1; |
60 | __u64 r1; |
49 | __u64 r2; |
61 | __u64 r2; |
50 | __u64 r3; |
62 | __u64 r3; |
51 | __u64 r4; |
63 | __u64 r4; |
52 | __u64 r5; |
64 | __u64 r5; |
53 | __u64 r6; |
65 | __u64 r6; |
54 | __u64 r7; |
66 | __u64 r7; |
55 | __u64 r8; |
67 | __u64 r8; |
56 | __u64 r9; |
68 | __u64 r9; |
57 | __u64 r10; |
69 | __u64 r10; |
58 | __u64 r11; |
70 | __u64 r11; |
59 | __u64 sp; /* r12 */ |
71 | __u64 sp; /* r12 */ |
60 | __u64 r13; |
72 | __u64 r13; |
61 | __u64 r14; |
73 | __u64 r14; |
62 | __u64 r15; |
74 | __u64 r15; |
63 | __u64 r16; |
75 | __u64 r16; |
64 | __u64 r17; |
76 | __u64 r17; |
65 | __u64 r18; |
77 | __u64 r18; |
66 | __u64 r19; |
78 | __u64 r19; |
67 | __u64 r20; |
79 | __u64 r20; |
68 | __u64 r21; |
80 | __u64 r21; |
69 | __u64 r22; |
81 | __u64 r22; |
70 | __u64 r23; |
82 | __u64 r23; |
71 | __u64 r24; |
83 | __u64 r24; |
72 | __u64 r25; |
84 | __u64 r25; |
73 | __u64 r26; |
85 | __u64 r26; |
74 | __u64 r27; |
86 | __u64 r27; |
75 | __u64 r28; |
87 | __u64 r28; |
76 | __u64 r29; |
88 | __u64 r29; |
77 | __u64 r30; |
89 | __u64 r30; |
78 | __u64 r31; |
90 | __u64 r31; |
79 | 91 | ||
80 | /* |
92 | /* |
81 | * Branch registers |
93 | * Branch registers |
82 | */ |
94 | */ |
83 | __u64 pc; /* b0 */ |
95 | __u64 pc; /* b0 */ |
84 | __u64 b1; |
96 | __u64 b1; |
85 | __u64 b2; |
97 | __u64 b2; |
86 | __u64 b3; |
98 | __u64 b3; |
87 | __u64 b4; |
99 | __u64 b4; |
88 | __u64 b5; |
100 | __u64 b5; |
89 | __u64 b6; |
101 | __u64 b6; |
90 | __u64 b7; |
102 | __u64 b7; |
91 | 103 | ||
92 | /* |
104 | /* |
93 | * Predicate registers |
105 | * Predicate registers |
94 | */ |
106 | */ |
95 | __u64 pr; |
107 | __u64 pr; |
96 | 108 | ||
97 | pri_t pri; |
109 | pri_t pri; |
98 | } __attribute__ ((packed)); |
110 | } __attribute__ ((packed)); |
99 | 111 | ||
100 | #endif |
112 | #endif |
101 | 113 |