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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 | #include "main.h" |
29 | #include "main.h" |
| 30 | #include "printf.h" |
30 | #include "printf.h" |
| 31 | #include "ofw.h" |
31 | #include "ofw.h" |
| 32 | #include "asm.h" |
32 | #include "asm.h" |
| 33 | 33 | ||
| 34 | #define KERNEL_LOAD_ADDRESS 0x800000 |
34 | #define KERNEL_LOAD_ADDRESS 0x800000 |
| 35 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
35 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
| 36 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
36 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
| 37 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
37 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
| 38 | 38 | ||
| 39 | void bootstrap(void) |
39 | void bootstrap(void) |
| 40 | { |
40 | { |
| 41 | printf("\nHelenOS PPC Bootloader\nKernel size %d bytes, load address %L\n", KERNEL_SIZE, KERNEL_LOAD_ADDRESS); |
41 | printf("\nHelenOS PPC Bootloader\nLoaded at %L\nKernel size %d bytes, load address %L\n", &start, KERNEL_SIZE, KERNEL_LOAD_ADDRESS); |
| 42 | 42 | ||
| 43 | void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1); |
43 | void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1); |
| 44 | if (addr == NULL) { |
44 | if (addr == NULL) { |
| 45 | printf("Error: Unable to claim memory"); |
45 | printf("Error: Unable to claim memory"); |
| 46 | halt(); |
46 | halt(); |
| 47 | } |
47 | } |
| - | 48 | printf("Claimed memory at %L\n", addr); |
|
| 48 | memcpy(addr, KERNEL_START, KERNEL_SIZE); |
49 | memcpy(addr, KERNEL_START, KERNEL_SIZE); |
| 49 | 50 | ||
| 50 | printf("Booting the kernel...\n"); |
51 | printf("Booting the kernel...\n"); |
| 51 | jump_to_kernel(addr); |
52 | jump_to_kernel(addr); |
| 52 | } |
53 | } |
| 53 | 54 | ||