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| 2145 | kebrt | 1 | /* |
| 2 | * Copyright (c) 2005 Martin Decky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | |||
| 2323 | kebrt | 30 | /** @addtogroup arm32boot |
| 31 | * @{ |
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| 32 | */ |
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| 33 | /** @file |
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| 2349 | kebrt | 34 | * @brief Boot related declarations. |
| 2323 | kebrt | 35 | */ |
| 36 | |||
| 37 | |||
| 38 | #ifndef BOOT_arm32_MAIN_H |
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| 39 | #define BOOT_arm32_MAIN_H |
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| 40 | |||
| 41 | |||
| 42 | /** Aligns to the nearest higher address. |
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| 2145 | kebrt | 43 | * |
| 2323 | kebrt | 44 | * @param addr Address or number to be aligned. |
| 2145 | kebrt | 45 | * @param align Size of alignment, must be power of 2. |
| 46 | */ |
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| 47 | #define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1)) |
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| 48 | |||
| 2356 | kebrt | 49 | /** Maximum number of tasks in the #bootinfo_t struct. */ |
| 2145 | kebrt | 50 | #define TASKMAP_MAX_RECORDS 32 |
| 51 | |||
| 2323 | kebrt | 52 | |
| 2356 | kebrt | 53 | /** Struct holding information about single loaded task. */ |
| 2145 | kebrt | 54 | typedef struct { |
| 2323 | kebrt | 55 | /** Address where the task was placed. */ |
| 2145 | kebrt | 56 | void *addr; |
| 2356 | kebrt | 57 | /** Size of the task's binary. */ |
| 2145 | kebrt | 58 | unsigned int size; |
| 59 | } task_t; |
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| 60 | |||
| 2323 | kebrt | 61 | |
| 2356 | kebrt | 62 | /** Struct holding information about loaded tasks. */ |
| 2145 | kebrt | 63 | typedef struct { |
| 2323 | kebrt | 64 | /** Number of loaded tasks. */ |
| 2145 | kebrt | 65 | unsigned int cnt; |
| 2323 | kebrt | 66 | /** Array of loaded tasks. */ |
| 2145 | kebrt | 67 | task_t tasks[TASKMAP_MAX_RECORDS]; |
| 68 | } bootinfo_t; |
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| 69 | |||
| 2323 | kebrt | 70 | |
| 2349 | kebrt | 71 | /** Called when the CPU is switched on. |
| 72 | * |
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| 73 | * Implemented in assembly. Jumps to the #bootstrap only. |
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| 74 | */ |
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| 2145 | kebrt | 75 | extern void start(void); |
| 2323 | kebrt | 76 | |
| 2145 | kebrt | 77 | extern void bootstrap(void); |
| 78 | |||
| 79 | #endif |
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| 2323 | kebrt | 80 | |
| 81 | /** @} |
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| 82 | */ |
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| 83 |