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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 "msim.h" |
31 | #include "msim.h" |
32 | #include "asm.h" |
32 | #include "asm.h" |
- | 33 | #include "_components.h" |
|
33 | 34 | ||
34 | #define KERNEL_VIRTUAL_ADDRESS 0x80100000 |
35 | #define KERNEL_VIRTUAL_ADDRESS 0x80100000 |
35 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
- | |
36 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
- | |
37 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
- | |
38 | 36 | ||
39 | void bootstrap(void) |
37 | void bootstrap(void) |
40 | { |
38 | { |
41 | printf("HelenOS MIPS Bootloader\n"); |
39 | printf("HelenOS MIPS Bootloader\n"); |
42 | printf("loaded at %L\n", &start); |
- | |
43 | printf("kernel memory at %L (size %d bytes)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_SIZE); |
- | |
44 | 40 | ||
- | 41 | component_t components[COMPONENTS]; |
|
- | 42 | bootinfo_t bootinfo; |
|
45 | // TODO: implement memcpy |
43 | init_components(components); |
- | 44 | ||
- | 45 | printf("\nMemory statistics\n"); |
|
- | 46 | printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS); |
|
- | 47 | printf(" %L: boot info structure\n", &bootinfo); |
|
- | 48 | ||
46 | int i; |
49 | unsigned int i; |
47 | for (i = 0; i < KERNEL_SIZE; i++) { |
50 | for (i = 0; i < COMPONENTS; i++) |
- | 51 | printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
|
- | 52 | ||
- | 53 | printf("\nCopying components\n"); |
|
48 | if (i % 4096 == 0) |
54 | unsigned int top = 0; |
49 | printf("."); |
55 | bootinfo.cnt = 0; |
- | 56 | for (i = 0; i < COMPONENTS; i++) { |
|
- | 57 | printf(" %s...", components[i].name); |
|
- | 58 | top = ALIGN_UP(top, PAGE_SIZE); |
|
50 | ((char *) KERNEL_VIRTUAL_ADDRESS)[i] = ((char *) KERNEL_START)[i]; |
59 | memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size); |
- | 60 | if (i > 0) { |
|
- | 61 | bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top; |
|
- | 62 | bootinfo.tasks[bootinfo.cnt].size = components[i].size; |
|
- | 63 | bootinfo.cnt++; |
|
- | 64 | } |
|
- | 65 | top += components[i].size; |
|
- | 66 | printf("done.\n"); |
|
51 | } |
67 | } |
52 | 68 | ||
53 | printf("\nBooting the kernel...\n"); |
69 | printf("\nBooting the kernel...\n"); |
54 | - | ||
55 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS); |
70 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
56 | } |
71 | } |
57 | 72 |