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1 | /* |
1 | /* |
2 | * Copyright (c) 2003-2004 Jakub Jermar |
2 | * Copyright (c) 2007 Michal Kebrt |
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 arm32 |
29 | /** @addtogroup arm32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
- | 33 | * @brief Thread context. |
|
33 | */ |
34 | */ |
34 | 35 | ||
35 | #ifndef KERN_arm32_CONTEXT_H_ |
36 | #ifndef KERN_arm32_CONTEXT_H_ |
36 | #define KERN_arm32_CONTEXT_H_ |
37 | #define KERN_arm32_CONTEXT_H_ |
37 | 38 | ||
38 | /* |
- | |
39 | * Put one item onto the stack to support get_stack_base() and align it up. |
39 | #include <align.h> |
40 | */ |
- | |
41 | #define SP_DELTA 0 /* TODO */ |
40 | #include <arch/stack.h> |
42 | 41 | ||
- | 42 | /* Put one item onto the stack to support get_stack_base() and align it up. */ |
|
- | 43 | #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
|
43 | 44 | ||
44 | #ifndef __ASM__ |
45 | #ifndef __ASM__ |
45 | 46 | ||
46 | #include <arch/types.h> |
47 | #include <arch/types.h> |
47 | 48 | ||
48 | /* |
- | |
49 | * Only save registers that must be preserved across function calls. |
49 | /** Thread context containing registers that must be preserved across function |
- | 50 | * calls. |
|
50 | */ |
51 | */ |
51 | typedef struct { |
52 | typedef struct { |
- | 53 | uint32_t cpu_mode; |
|
52 | uintptr_t sp; |
54 | uintptr_t sp; |
53 | uintptr_t pc; |
55 | uintptr_t pc; |
- | 56 | ||
- | 57 | uint32_t r4; |
|
- | 58 | uint32_t r5; |
|
- | 59 | uint32_t r6; |
|
- | 60 | uint32_t r7; |
|
- | 61 | uint32_t r8; |
|
- | 62 | uint32_t r9; |
|
- | 63 | uint32_t r10; |
|
- | 64 | uint32_t r11; |
|
- | 65 | ||
54 | ipl_t ipl; |
66 | ipl_t ipl; |
55 | } context_t; |
67 | } context_t; |
56 | 68 | ||
- | 69 | ||
57 | #endif /* __ASM__ */ |
70 | #endif /* __ASM__ */ |
58 | 71 | ||
59 | #endif |
72 | #endif |
60 | 73 | ||
61 | /** @} |
74 | /** @} |
62 | */ |
75 | */ |
63 | 76 |