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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_TYPES_H__ |
|
32 | #include <arch/types.h> |
33 | # include <arch/types.h> |
- | 34 | #endif |
|
- | 35 | ||
33 | #include <typedefs.h> |
36 | #ifndef __ALIGN_H__ |
34 | #include <align.h> |
37 | # include <align.h> |
- | 38 | #endif |
|
35 | 39 | ||
- | 40 | #define STACK_ALIGNMENT 8 |
|
36 | #define STACK_ITEM_SIZE 8 |
41 | #define STACK_ITEM_SIZE 8 |
37 | 42 | ||
38 | /* |
43 | /* |
39 | * One item is put onto the stack to support get_stack_base(). |
44 | * One item is put onto the stack to support get_stack_base(). |
40 | */ |
45 | */ |
41 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
46 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
42 | 47 | ||
- | 48 | #ifdef context_set |
|
- | 49 | #undef context_set |
|
- | 50 | #endif |
|
- | 51 | ||
- | 52 | #define context_set(c, _pc, stack, size) \ |
|
- | 53 | (c)->pc = ((__address) _pc) - 8; \ |
|
- | 54 | (c)->sp = ((__address) stack) + (ALIGN((size), STACK_ALIGNMENT) + 1) - SP_DELTA; |
|
- | 55 | ||
43 | /* |
56 | /* |
44 | * Only save registers that must be preserved across |
57 | * Only save registers that must be preserved across |
45 | * function calls. |
58 | * function calls. |
46 | */ |
59 | */ |
47 | struct context { |
60 | struct context { |
- | 61 | __u64 l0; |
|
- | 62 | __u64 l1; |
|
48 | 63 | __u64 l2; |
|
49 | __address bsp; |
64 | __u64 l3; |
- | 65 | __u64 l4; |
|
- | 66 | __u64 l5; |
|
- | 67 | __u64 l6; |
|
- | 68 | __u64 l7; |
|
- | 69 | __u64 i1; |
|
- | 70 | __u64 i2; |
|
- | 71 | __u64 i3; |
|
- | 72 | __u64 i4; |
|
- | 73 | __u64 i5; |
|
50 | __address sp; |
74 | __address sp; /* %i6 */ |
51 | __address pc; |
75 | __address pc; /* %i7 */ |
52 | ipl_t ipl; |
76 | ipl_t ipl; |
53 | } __attribute__ ((packed)); |
77 | }; |
54 | 78 | ||
55 | #endif |
79 | #endif |
56 | 80 |