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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2145 | kebrt | 1 | /* |
| 2152 | kebrt | 2 | * Copyright (c) 2007 Michal Kebrt |
| 2145 | kebrt | 3 | * All rights reserved. |
| 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 | #include "main.h" |
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| 30 | #include "asm.h" |
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| 31 | #include "_components.h" |
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| 32 | #include <printf.h> |
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| 33 | |||
| 2198 | jancik | 34 | #include "mm.h" |
| 2145 | kebrt | 35 | |
| 2254 | kebrt | 36 | #define KERNEL_VIRTUAL_ADDRESS 0x80100000 |
| 2145 | kebrt | 37 | |
| 38 | char *release = RELEASE; |
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| 39 | |||
| 40 | #ifdef REVISION |
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| 41 | char *revision = ", revision " REVISION; |
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| 42 | #else |
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| 43 | char *revision = ""; |
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| 44 | #endif |
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| 45 | |||
| 46 | #ifdef TIMESTAMP |
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| 47 | char *timestamp = "\nBuilt on " TIMESTAMP; |
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| 48 | #else |
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| 49 | char *timestamp = ""; |
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| 50 | #endif |
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| 51 | |||
| 52 | /** Print version information. */ |
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| 53 | static void version_print(void) |
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| 54 | { |
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| 55 | printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n", |
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| 56 | release, revision, timestamp); |
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| 57 | } |
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| 58 | |||
| 2254 | kebrt | 59 | /** Copies all images to #KERNEL_VIRTUAL_ADDRESS and jumps there. */ |
| 2145 | kebrt | 60 | void bootstrap(void) |
| 61 | { |
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| 2254 | kebrt | 62 | mmu_start(); |
| 2145 | kebrt | 63 | version_print(); |
| 64 | |||
| 65 | component_t components[COMPONENTS]; |
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| 66 | bootinfo_t bootinfo; |
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| 67 | init_components(components); |
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| 68 | |||
| 69 | printf("\nMemory statistics\n"); |
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| 2254 | kebrt | 70 | printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS); |
| 2145 | kebrt | 71 | printf(" %L: boot info structure\n", &bootinfo); |
| 72 | |||
| 73 | unsigned int i, j; |
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| 74 | for (i = 0; i < COMPONENTS; i++) { |
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| 75 | printf(" %L: %s image (size %d bytes)\n", |
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| 76 | components[i].start, components[i].name, components[i].size); |
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| 77 | } |
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| 78 | |||
| 79 | printf("\nCopying components\n"); |
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| 80 | unsigned int top = 0; |
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| 81 | bootinfo.cnt = 0; |
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| 82 | for (i = 0; i < COMPONENTS; i++) { |
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| 83 | printf(" %s...", components[i].name); |
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| 84 | top = ALIGN_UP(top, PAGE_SIZE); |
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| 2254 | kebrt | 85 | memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size); |
| 2145 | kebrt | 86 | if (i > 0) { |
| 2254 | kebrt | 87 | bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top; |
| 2145 | kebrt | 88 | bootinfo.tasks[bootinfo.cnt].size = components[i].size; |
| 89 | bootinfo.cnt++; |
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| 90 | } |
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| 91 | |||
| 92 | top += components[i].size; |
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| 93 | printf("done.\n"); |
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| 94 | } |
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| 2198 | jancik | 95 | |
| 2145 | kebrt | 96 | printf("\nBooting the kernel...\n"); |
| 2254 | kebrt | 97 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
| 2145 | kebrt | 98 | } |
| 99 |