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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 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef __sparc64_CONTEXT_H__ |
35 | #ifndef __sparc64_CONTEXT_H__ |
36 | #define __sparc64_CONTEXT_H__ |
36 | #define __sparc64_CONTEXT_H__ |
37 | 37 | ||
38 | #ifndef __sparc64_STACK_H__ |
38 | #ifndef __sparc64_STACK_H__ |
39 | # include <arch/stack.h> |
39 | # include <arch/stack.h> |
40 | #endif |
40 | #endif |
41 | 41 | ||
42 | #ifndef __sparc64_TYPES_H__ |
42 | #ifndef __sparc64_TYPES_H__ |
43 | # include <arch/types.h> |
43 | # include <arch/types.h> |
44 | #endif |
44 | #endif |
45 | 45 | ||
46 | #ifndef __ALIGN_H__ |
46 | #ifndef __ALIGN_H__ |
47 | # include <align.h> |
47 | # include <align.h> |
48 | #endif |
48 | #endif |
49 | 49 | ||
50 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
50 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
51 | 51 | ||
52 | #ifdef context_set |
52 | #ifdef context_set |
53 | #undef context_set |
53 | #undef context_set |
54 | #endif |
54 | #endif |
55 | 55 | ||
56 | #define context_set(c, _pc, stack, size) \ |
56 | #define context_set(c, _pc, stack, size) \ |
57 | (c)->pc = ((__address) _pc) - 8; \ |
57 | (c)->pc = ((uintptr_t) _pc) - 8; \ |
58 | (c)->sp = ((__address) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ |
58 | (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ |
59 | (c)->fp = -STACK_BIAS; \ |
59 | (c)->fp = -STACK_BIAS; \ |
60 | (c)->cleanwin = 0 |
60 | (c)->cleanwin = 0 |
61 | 61 | ||
62 | 62 | ||
63 | /* |
63 | /* |
64 | * Only save registers that must be preserved across |
64 | * Only save registers that must be preserved across |
65 | * function calls. |
65 | * function calls. |
66 | */ |
66 | */ |
67 | struct context { |
67 | struct context { |
68 | __address sp; /* %o6 */ |
68 | uintptr_t sp; /* %o6 */ |
69 | __address pc; /* %o7 */ |
69 | uintptr_t pc; /* %o7 */ |
70 | __u64 i0; |
70 | uint64_t i0; |
71 | __u64 i1; |
71 | uint64_t i1; |
72 | __u64 i2; |
72 | uint64_t i2; |
73 | __u64 i3; |
73 | uint64_t i3; |
74 | __u64 i4; |
74 | uint64_t i4; |
75 | __u64 i5; |
75 | uint64_t i5; |
76 | __address fp; /* %i6 */ |
76 | uintptr_t fp; /* %i6 */ |
77 | __address i7; |
77 | uintptr_t i7; |
78 | __u64 l0; |
78 | uint64_t l0; |
79 | __u64 l1; |
79 | uint64_t l1; |
80 | __u64 l2; |
80 | uint64_t l2; |
81 | __u64 l3; |
81 | uint64_t l3; |
82 | __u64 l4; |
82 | uint64_t l4; |
83 | __u64 l5; |
83 | uint64_t l5; |
84 | __u64 l6; |
84 | uint64_t l6; |
85 | __u64 l7; |
85 | uint64_t l7; |
86 | ipl_t ipl; |
86 | ipl_t ipl; |
87 | __u64 cleanwin; |
87 | uint64_t cleanwin; |
88 | }; |
88 | }; |
89 | 89 | ||
90 | #endif |
90 | #endif |
91 | 91 | ||
92 | /** @} |
92 | /** @} |
93 | */ |
93 | */ |
94 | 94 | ||
95 | 95 |