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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
3 | * Copyright (C) 2006 Jakub Jermar |
3 | * Copyright (C) 2006 Jakub Jermar |
4 | * All rights reserved. |
4 | * All rights reserved. |
5 | * |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
8 | * are met: |
9 | * |
9 | * |
10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
15 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
16 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | 29 | ||
30 | #include "main.h" |
30 | #include "main.h" |
31 | #include <printf.h> |
31 | #include <printf.h> |
32 | #include "asm.h" |
32 | #include "asm.h" |
33 | #include "_components.h" |
33 | #include "_components.h" |
34 | #include <balloc.h> |
34 | #include <balloc.h> |
35 | #include <ofw.h> |
35 | #include <ofw.h> |
36 | #include <ofw_tree.h> |
36 | #include <ofw_tree.h> |
37 | #include "ofwarch.h" |
37 | #include "ofwarch.h" |
38 | #include <align.h> |
38 | #include <align.h> |
39 | 39 | ||
40 | bootinfo_t bootinfo; |
40 | bootinfo_t bootinfo; |
41 | component_t components[COMPONENTS]; |
41 | component_t components[COMPONENTS]; |
42 | 42 | ||
43 | void bootstrap(void) |
43 | void bootstrap(void) |
44 | { |
44 | { |
45 | printf("HelenOS SPARC64 Bootloader\n"); |
45 | printf("HelenOS SPARC64 Bootloader\n"); |
46 | 46 | ||
47 | init_components(components); |
47 | init_components(components); |
48 | 48 | ||
49 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
49 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
50 | printf("Error: unable to get start of physical memory.\n"); |
50 | printf("Error: unable to get start of physical memory.\n"); |
51 | halt(); |
51 | halt(); |
52 | } |
52 | } |
53 | 53 | ||
54 | if (!ofw_memmap(&bootinfo.memmap)) { |
54 | if (!ofw_memmap(&bootinfo.memmap)) { |
55 | printf("Error: unable to get memory map, halting.\n"); |
55 | printf("Error: unable to get memory map, halting.\n"); |
56 | halt(); |
56 | halt(); |
57 | } |
57 | } |
58 | 58 | ||
59 | if (bootinfo.memmap.total == 0) { |
59 | if (bootinfo.memmap.total == 0) { |
60 | printf("Error: no memory detected, halting.\n"); |
60 | printf("Error: no memory detected, halting.\n"); |
61 | halt(); |
61 | halt(); |
62 | } |
62 | } |
63 | 63 | ||
64 | printf("\nSystem info\n"); |
64 | printf("\nSystem info\n"); |
65 | printf(" memory: %dM starting at %P\n", |
65 | printf(" memory: %dM starting at %P\n", |
66 | bootinfo.memmap.total >> 20, bootinfo.physmem_start); |
66 | bootinfo.memmap.total >> 20, bootinfo.physmem_start); |
67 | 67 | ||
68 | printf("\nMemory statistics\n"); |
68 | printf("\nMemory statistics\n"); |
69 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
69 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
70 | printf(" %P: boot info structure\n", &bootinfo); |
70 | printf(" %P: boot info structure\n", &bootinfo); |
71 | 71 | ||
72 | unsigned int i; |
72 | unsigned int i; |
73 | for (i = 0; i < COMPONENTS; i++) |
73 | for (i = 0; i < COMPONENTS; i++) |
74 | printf(" %P: %s image (size %d bytes)\n", components[i].start, |
74 | printf(" %P: %s image (size %d bytes)\n", components[i].start, |
75 | components[i].name, components[i].size); |
75 | components[i].name, components[i].size); |
76 | 76 | ||
77 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
77 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
78 | unsigned int top = 0; |
78 | unsigned int top = 0; |
79 | 79 | ||
80 | printf("\nCopying components\n"); |
80 | printf("\nCopying components\n"); |
81 | bootinfo.taskmap.count = 0; |
81 | bootinfo.taskmap.count = 0; |
82 | for (i = 0; i < COMPONENTS; i++) { |
82 | for (i = 0; i < COMPONENTS; i++) { |
83 | printf(" %s...", components[i].name); |
83 | printf(" %s...", components[i].name); |
84 | top = ALIGN_UP(top, PAGE_SIZE); |
84 | top = ALIGN_UP(top, PAGE_SIZE); |
85 | memcpy(base + top, components[i].start, components[i].size); |
85 | memcpy(base + top, components[i].start, components[i].size); |
86 | if (i > 0) { |
86 | if (i > 0) { |
87 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
87 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
88 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
88 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
89 | bootinfo.taskmap.count++; |
89 | bootinfo.taskmap.count++; |
90 | } |
90 | } |
91 | top += components[i].size; |
91 | top += components[i].size; |
92 | printf("done.\n"); |
92 | printf("done.\n"); |
93 | } |
93 | } |
94 | 94 | ||
95 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE)); |
95 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE)); |
96 | 96 | ||
97 | printf("\nCanonizing OpenFirmware device tree..."); |
97 | printf("\nCanonizing OpenFirmware device tree..."); |
98 | bootinfo.ofw_root = ofw_tree_build(); |
98 | bootinfo.ofw_root = ofw_tree_build(); |
99 | printf("done.\n"); |
99 | printf("done.\n"); |
100 | 100 | ||
- | 101 | #ifdef CONFIG_SMP |
|
101 | printf("\nChecking for secondary processors..."); |
102 | printf("\nChecking for secondary processors..."); |
102 | if (!ofw_cpu()) |
103 | if (!ofw_cpu()) |
103 | printf("Error: unable to get CPU properties\n"); |
104 | printf("Error: unable to get CPU properties\n"); |
104 | printf("done.\n"); |
105 | printf("done.\n"); |
- | 106 | #endif |
|
105 | 107 | ||
106 | printf("\nBooting the kernel...\n"); |
108 | printf("\nBooting the kernel...\n"); |
107 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, |
109 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, |
108 | bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, sizeof(bootinfo)); |
110 | bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, sizeof(bootinfo)); |
109 | } |
111 | } |
110 | 112 |