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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 __sparc64_CONTEXT_H__ |
29 | #ifndef __sparc64_CONTEXT_H__ |
30 | #define __sparc64_CONTEXT_H__ |
30 | #define __sparc64_CONTEXT_H__ |
31 | 31 | ||
- | 32 | #ifndef __sparc64_STACK_H__ |
|
32 | #include <arch/stack.h> |
33 | #include <arch/stack.h> |
- | 34 | #endif |
|
33 | 35 | ||
34 | #ifndef __sparc64_TYPES_H__ |
36 | #ifndef __sparc64_TYPES_H__ |
35 | # include <arch/types.h> |
37 | # include <arch/types.h> |
36 | #endif |
38 | #endif |
37 | 39 | ||
38 | #ifndef __ALIGN_H__ |
40 | #ifndef __ALIGN_H__ |
39 | # include <align.h> |
41 | # include <align.h> |
40 | #endif |
42 | #endif |
41 | 43 | ||
42 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
44 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
43 | 45 | ||
44 | #ifdef context_set |
46 | #ifdef context_set |
45 | #undef context_set |
47 | #undef context_set |
46 | #endif |
48 | #endif |
47 | 49 | ||
48 | #define context_set(c, _pc, stack, size) \ |
50 | #define context_set(c, _pc, stack, size) \ |
49 | (c)->pc = ((__address) _pc) - 8; \ |
51 | (c)->pc = ((__address) _pc) - 8; \ |
- | 52 | (c)->fp = NULL; \ |
|
50 | (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA) |
53 | (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA) |
51 | 54 | ||
52 | /* |
55 | /* |
53 | * Only save registers that must be preserved across |
56 | * Only save registers that must be preserved across |
- | 57 | * function calls and that are not saved in caller's |
|
54 | * function calls. |
58 | * register window. |
55 | */ |
59 | */ |
56 | struct context { |
60 | struct context { |
57 | __u64 l0; |
- | |
58 | __u64 l1; |
- | |
59 | __u64 l2; |
- | |
60 | __u64 l3; |
- | |
61 | __u64 l4; |
- | |
62 | __u64 l5; |
- | |
63 | __u64 l6; |
- | |
64 | __u64 l7; |
- | |
65 | __u64 i1; |
61 | __u64 i1; |
66 | __u64 i2; |
62 | __u64 i2; |
67 | __u64 i3; |
63 | __u64 i3; |
68 | __u64 i4; |
64 | __u64 i4; |
69 | __u64 i5; |
65 | __u64 i5; |
70 | __address sp; /* %i6 */ |
66 | __address fp; /* %i6 */ |
71 | __address pc; /* %i7 */ |
67 | __address pc; /* %i7 */ |
- | 68 | __address sp; |
|
72 | ipl_t ipl; |
69 | ipl_t ipl; |
73 | }; |
70 | }; |
74 | 71 | ||
75 | #endif |
72 | #endif |
76 | 73 |