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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 | #ifndef __mips32_CONTEXT_H__ |
29 | #ifndef __mips32_CONTEXT_H__ |
30 | #define __mips32_CONTEXT_H__ |
30 | #define __mips32_CONTEXT_H__ |
31 | 31 | ||
32 | #define STACK_ITEM_SIZE 4 |
32 | #define STACK_ITEM_SIZE 4 |
33 | 33 | ||
34 | /* |
34 | /* |
35 | * Put one item onto the stack to support get_stack_base(). |
35 | * Put one item onto the stack to support get_stack_base(). |
36 | */ |
36 | */ |
37 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
37 | #define SP_DELTA (0+STACK_ITEM_SIZE) |
38 | 38 | ||
39 | 39 | ||
40 | #ifndef __ASM__ |
40 | #ifndef __ASM__ |
41 | 41 | ||
42 | #ifndef __mips32_TYPES_H__ |
42 | #ifndef __mips32_TYPES_H__ |
43 | # include <arch/types.h> |
43 | # include <arch/types.h> |
44 | #endif |
44 | #endif |
45 | 45 | ||
46 | /* |
46 | /* |
47 | * Only save registers that must be preserved across |
47 | * Only save registers that must be preserved across |
48 | * function calls. |
48 | * function calls. |
49 | */ |
49 | */ |
50 | struct context { |
50 | struct context { |
51 | __address sp; |
51 | __address sp; |
52 | __address pc; |
52 | __address pc; |
53 | 53 | ||
54 | __u32 s0; |
54 | __u32 s0; |
55 | __u32 s1; |
55 | __u32 s1; |
56 | __u32 s2; |
56 | __u32 s2; |
57 | __u32 s3; |
57 | __u32 s3; |
58 | __u32 s4; |
58 | __u32 s4; |
59 | __u32 s5; |
59 | __u32 s5; |
60 | __u32 s6; |
60 | __u32 s6; |
61 | __u32 s7; |
61 | __u32 s7; |
62 | __u32 s8; |
62 | __u32 s8; |
63 | __u32 gp; |
63 | __u32 gp; |
64 | 64 | ||
65 | ipl_t ipl; |
65 | ipl_t ipl; |
66 | }; |
66 | }; |
67 | 67 | ||
68 | #endif /* __ASM__ */ |
68 | #endif /* __ASM__ */ |
69 | 69 | ||
70 | #endif |
70 | #endif |
71 | 71 |