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| Rev | Author | Line No. | Line |
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| 885 | 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 "ofw.h" |
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| 913 | decky | 32 | #include "asm.h" |
| 885 | decky | 33 | |
| 950 | decky | 34 | #define KERNEL_LOAD_ADDRESS 0x400000 |
| 913 | decky | 35 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
| 36 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
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| 37 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
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| 887 | decky | 38 | |
| 885 | decky | 39 | void bootstrap(void) |
| 40 | { |
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| 953 | decky | 41 | printf("\nHelenOS PPC Bootloader\n"); |
| 885 | decky | 42 | |
| 953 | decky | 43 | void *loader = ofw_translate(&start); |
| 44 | printf("loaded at %L (physical %L)\n", &start, loader); |
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| 45 | printf("kernel load address %L (size %d)\n", KERNEL_LOAD_ADDRESS, KERNEL_SIZE); |
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| 46 | |||
| 887 | decky | 47 | void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1); |
| 885 | decky | 48 | if (addr == NULL) { |
| 49 | printf("Error: Unable to claim memory"); |
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| 50 | halt(); |
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| 51 | } |
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| 933 | decky | 52 | printf("Claimed memory at %L\n", addr); |
| 913 | decky | 53 | memcpy(addr, KERNEL_START, KERNEL_SIZE); |
| 885 | decky | 54 | |
| 913 | decky | 55 | printf("Booting the kernel...\n"); |
| 56 | jump_to_kernel(addr); |
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| 885 | decky | 57 | } |