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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2003-2004 Jakub Jermar |
2 | * Copyright (C) 2003-2004 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 mips32 |
|
| - | 30 | * @{ |
|
| - | 31 | */ |
|
| - | 32 | /** @file |
|
| - | 33 | */ |
|
| - | 34 | ||
| 29 | #ifndef __mips32_CONTEXT_H__ |
35 | #ifndef __mips32_CONTEXT_H__ |
| 30 | #define __mips32_CONTEXT_H__ |
36 | #define __mips32_CONTEXT_H__ |
| 31 | 37 | ||
| 32 | #include <align.h> |
38 | #include <align.h> |
| 33 | #include <arch/stack.h> |
39 | #include <arch/stack.h> |
| 34 | 40 | ||
| 35 | /* |
41 | /* |
| 36 | * Put one item onto the stack to support get_stack_base() and align it up. |
42 | * Put one item onto the stack to support get_stack_base() and align it up. |
| 37 | */ |
43 | */ |
| 38 | #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
44 | #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
| 39 | 45 | ||
| 40 | 46 | ||
| 41 | #ifndef __ASM__ |
47 | #ifndef __ASM__ |
| 42 | 48 | ||
| 43 | #ifndef __mips32_TYPES_H__ |
49 | #ifndef __mips32_TYPES_H__ |
| 44 | # include <arch/types.h> |
50 | # include <arch/types.h> |
| 45 | #endif |
51 | #endif |
| 46 | 52 | ||
| 47 | /* |
53 | /* |
| 48 | * Only save registers that must be preserved across |
54 | * Only save registers that must be preserved across |
| 49 | * function calls. |
55 | * function calls. |
| 50 | */ |
56 | */ |
| 51 | struct context { |
57 | struct context { |
| 52 | __address sp; |
58 | __address sp; |
| 53 | __address pc; |
59 | __address pc; |
| 54 | 60 | ||
| 55 | __u32 s0; |
61 | __u32 s0; |
| 56 | __u32 s1; |
62 | __u32 s1; |
| 57 | __u32 s2; |
63 | __u32 s2; |
| 58 | __u32 s3; |
64 | __u32 s3; |
| 59 | __u32 s4; |
65 | __u32 s4; |
| 60 | __u32 s5; |
66 | __u32 s5; |
| 61 | __u32 s6; |
67 | __u32 s6; |
| 62 | __u32 s7; |
68 | __u32 s7; |
| 63 | __u32 s8; |
69 | __u32 s8; |
| 64 | __u32 gp; |
70 | __u32 gp; |
| 65 | 71 | ||
| 66 | ipl_t ipl; |
72 | ipl_t ipl; |
| 67 | }; |
73 | }; |
| 68 | 74 | ||
| 69 | #endif /* __ASM__ */ |
75 | #endif /* __ASM__ */ |
| 70 | 76 | ||
| 71 | #endif |
77 | #endif |
| - | 78 | ||
| - | 79 | /** @} |
|
| - | 80 | */ |
|
| - | 81 | ||
| 72 | 82 | ||