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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Martin Decky |
2 | * Copyright (c) 2005 Martin Decky |
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 | 29 | ||
30 | /** @addtogroup arm32boot |
30 | /** @addtogroup arm32boot |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** @file |
33 | /** @file |
- | 34 | * @brief Boot related declarations. |
|
34 | */ |
35 | */ |
35 | 36 | ||
36 | 37 | ||
37 | #ifndef BOOT_arm32_MAIN_H |
38 | #ifndef BOOT_arm32_MAIN_H |
38 | #define BOOT_arm32_MAIN_H |
39 | #define BOOT_arm32_MAIN_H |
39 | 40 | ||
40 | 41 | ||
41 | /** Aligns to the nearest higher address. |
42 | /** Aligns to the nearest higher address. |
42 | * |
43 | * |
43 | * @param addr Address or number to be aligned. |
44 | * @param addr Address or number to be aligned. |
44 | * @param align Size of alignment, must be power of 2. |
45 | * @param align Size of alignment, must be power of 2. |
45 | */ |
46 | */ |
46 | #define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1)) |
47 | #define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1)) |
47 | 48 | ||
48 | /** Maximum number of tasks in the #bootinfo_t structure. */ |
49 | /** Maximum number of tasks in the #bootinfo_t structure. */ |
49 | #define TASKMAP_MAX_RECORDS 32 |
50 | #define TASKMAP_MAX_RECORDS 32 |
50 | 51 | ||
51 | 52 | ||
52 | /** Structure holding information about single loaded task. */ |
53 | /** Structure holding information about single loaded task. */ |
53 | typedef struct { |
54 | typedef struct { |
54 | /** Address where the task was placed. */ |
55 | /** Address where the task was placed. */ |
55 | void *addr; |
56 | void *addr; |
56 | /** Size of the task binary. */ |
57 | /** Size of the task binary. */ |
57 | unsigned int size; |
58 | unsigned int size; |
58 | } task_t; |
59 | } task_t; |
59 | 60 | ||
60 | 61 | ||
61 | /** Structure holding information about loaded tasks. */ |
62 | /** Structure holding information about loaded tasks. */ |
62 | typedef struct { |
63 | typedef struct { |
63 | /** Number of loaded tasks. */ |
64 | /** Number of loaded tasks. */ |
64 | unsigned int cnt; |
65 | unsigned int cnt; |
65 | /** Array of loaded tasks. */ |
66 | /** Array of loaded tasks. */ |
66 | task_t tasks[TASKMAP_MAX_RECORDS]; |
67 | task_t tasks[TASKMAP_MAX_RECORDS]; |
67 | } bootinfo_t; |
68 | } bootinfo_t; |
68 | 69 | ||
69 | 70 | ||
70 | /** Run when the CPU is switched on. */ |
71 | /** Called when the CPU is switched on. |
- | 72 | * |
|
- | 73 | * Implemented in assembly. Jumps to the #bootstrap only. |
|
- | 74 | */ |
|
71 | extern void start(void); |
75 | extern void start(void); |
72 | 76 | ||
73 | extern void bootstrap(void); |
77 | extern void bootstrap(void); |
74 | 78 | ||
75 | #endif |
79 | #endif |
76 | 80 | ||
77 | /** @} |
81 | /** @} |
78 | */ |
82 | */ |
79 | 83 | ||
80 | 84 |