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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1018 | decky | 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 | #include "main.h" |
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| 30 | #include "printf.h" |
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| 31 | #include "msim.h" |
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| 32 | #include "asm.h" |
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| 1685 | decky | 33 | #include "_components.h" |
| 1018 | decky | 34 | |
| 35 | #define KERNEL_VIRTUAL_ADDRESS 0x80100000 |
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| 36 | |||
| 37 | void bootstrap(void) |
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| 38 | { |
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| 39 | printf("HelenOS MIPS Bootloader\n"); |
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| 40 | |||
| 1685 | decky | 41 | component_t components[COMPONENTS]; |
| 42 | bootinfo_t bootinfo; |
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| 43 | init_components(components); |
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| 44 | |||
| 45 | printf("\nMemory statistics\n"); |
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| 46 | printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS); |
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| 47 | printf(" %L: boot info structure\n", &bootinfo); |
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| 48 | |||
| 49 | unsigned int i; |
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| 50 | for (i = 0; i < COMPONENTS; i++) |
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| 51 | printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
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| 52 | |||
| 53 | printf("\nCopying components\n"); |
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| 54 | unsigned int top = 0; |
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| 55 | bootinfo.cnt = 0; |
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| 56 | for (i = 0; i < COMPONENTS; i++) { |
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| 57 | printf(" %s...", components[i].name); |
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| 58 | top = ALIGN_UP(top, PAGE_SIZE); |
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| 59 | memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size); |
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| 60 | if (i > 0) { |
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| 61 | bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top; |
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| 62 | bootinfo.tasks[bootinfo.cnt].size = components[i].size; |
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| 63 | bootinfo.cnt++; |
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| 64 | } |
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| 65 | top += components[i].size; |
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| 66 | printf("done.\n"); |
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| 1018 | decky | 67 | } |
| 68 | |||
| 69 | printf("\nBooting the kernel...\n"); |
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| 1685 | decky | 70 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
| 1018 | decky | 71 | } |