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1 | /* |
1 | /* |
2 | * Copyright (c) 2007 Michal Kebrt |
2 | * Copyright (c) 2007 Michal Kebrt |
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 "asm.h" |
30 | #include "asm.h" |
31 | #include "_components.h" |
31 | #include "_components.h" |
32 | #include <printf.h> |
32 | #include <printf.h> |
33 | 33 | ||
34 | #include "mm.h" |
34 | #include "mm.h" |
35 | 35 | ||
36 | #define KERNEL_PHY_ADDRESS 0x00100000 |
36 | #define KERNEL_VIRTUAL_ADDRESS 0x80100000 |
37 | 37 | ||
38 | char *release = RELEASE; |
38 | char *release = RELEASE; |
39 | 39 | ||
40 | #ifdef REVISION |
40 | #ifdef REVISION |
41 | char *revision = ", revision " REVISION; |
41 | char *revision = ", revision " REVISION; |
42 | #else |
42 | #else |
43 | char *revision = ""; |
43 | char *revision = ""; |
44 | #endif |
44 | #endif |
45 | 45 | ||
46 | #ifdef TIMESTAMP |
46 | #ifdef TIMESTAMP |
47 | char *timestamp = "\nBuilt on " TIMESTAMP; |
47 | char *timestamp = "\nBuilt on " TIMESTAMP; |
48 | #else |
48 | #else |
49 | char *timestamp = ""; |
49 | char *timestamp = ""; |
50 | #endif |
50 | #endif |
51 | 51 | ||
52 | /** Print version information. */ |
52 | /** Print version information. */ |
53 | static void version_print(void) |
53 | static void version_print(void) |
54 | { |
54 | { |
55 | printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n", |
55 | printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n", |
56 | release, revision, timestamp); |
56 | release, revision, timestamp); |
57 | } |
57 | } |
58 | 58 | ||
- | 59 | /** Copies all images to #KERNEL_VIRTUAL_ADDRESS and jumps there. */ |
|
59 | void bootstrap(void) |
60 | void bootstrap(void) |
60 | { |
61 | { |
- | 62 | mmu_start(); |
|
61 | version_print(); |
63 | version_print(); |
62 | 64 | ||
63 | component_t components[COMPONENTS]; |
65 | component_t components[COMPONENTS]; |
64 | bootinfo_t bootinfo; |
66 | bootinfo_t bootinfo; |
65 | init_components(components); |
67 | init_components(components); |
66 | 68 | ||
67 | printf("\nMemory statistics\n"); |
69 | printf("\nMemory statistics\n"); |
68 | printf(" kernel entry point at %L\n", KERNEL_PHY_ADDRESS); |
70 | printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS); |
69 | printf(" %L: boot info structure\n", &bootinfo); |
71 | printf(" %L: boot info structure\n", &bootinfo); |
70 | 72 | ||
71 | unsigned int i, j; |
73 | unsigned int i, j; |
72 | for (i = 0; i < COMPONENTS; i++) { |
74 | for (i = 0; i < COMPONENTS; i++) { |
73 | printf(" %L: %s image (size %d bytes)\n", |
75 | printf(" %L: %s image (size %d bytes)\n", |
74 | components[i].start, components[i].name, components[i].size); |
76 | components[i].start, components[i].name, components[i].size); |
75 | } |
77 | } |
76 | 78 | ||
77 | printf("\nCopying components\n"); |
79 | printf("\nCopying components\n"); |
78 | unsigned int top = 0; |
80 | unsigned int top = 0; |
79 | bootinfo.cnt = 0; |
81 | bootinfo.cnt = 0; |
80 | for (i = 0; i < COMPONENTS; i++) { |
82 | for (i = 0; i < COMPONENTS; i++) { |
81 | printf(" %s...", components[i].name); |
83 | printf(" %s...", components[i].name); |
82 | top = ALIGN_UP(top, PAGE_SIZE); |
84 | top = ALIGN_UP(top, PAGE_SIZE); |
83 | memcpy(((void *) KERNEL_PHY_ADDRESS) + top, components[i].start, components[i].size); |
85 | memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size); |
84 | if (i > 0) { |
86 | if (i > 0) { |
85 | bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_PHY_ADDRESS) + top; |
87 | bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top; |
86 | bootinfo.tasks[bootinfo.cnt].size = components[i].size; |
88 | bootinfo.tasks[bootinfo.cnt].size = components[i].size; |
87 | bootinfo.cnt++; |
89 | bootinfo.cnt++; |
88 | } |
90 | } |
89 | 91 | ||
90 | top += components[i].size; |
92 | top += components[i].size; |
91 | printf("done.\n"); |
93 | printf("done.\n"); |
92 | } |
94 | } |
93 | 95 | ||
94 | mm_kernel_mapping(); |
- | |
95 | - | ||
96 | printf("\nBooting the kernel...\n"); |
96 | printf("\nBooting the kernel...\n"); |
97 | jump_to_kernel((void *) PA2KA(KERNEL_PHY_ADDRESS), &bootinfo, sizeof(bootinfo)); |
97 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
98 | } |
98 | } |
99 | 99 | ||
100 | 100 |