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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 "asm.h" |
31 | #include "asm.h" |
32 | #include "_components.h" |
32 | #include "_components.h" |
33 | #include <balloc.h> |
33 | #include <balloc.h> |
34 | #include <ofw.h> |
34 | #include <ofw.h> |
35 | #include <ofw_tree.h> |
35 | #include <ofw_tree.h> |
36 | #include "ofwarch.h" |
36 | #include "ofwarch.h" |
37 | #include <align.h> |
37 | #include <align.h> |
38 | 38 | ||
39 | #define KERNEL_VIRTUAL_ADDRESS 0x400000 |
39 | #define KERNEL_VIRTUAL_ADDRESS 0x400000 |
40 | 40 | ||
41 | bootinfo_t bootinfo; |
41 | bootinfo_t bootinfo; |
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 | component_t components[COMPONENTS]; |
47 | component_t components[COMPONENTS]; |
48 | init_components(components); |
48 | init_components(components); |
49 | 49 | ||
50 | if (!ofw_memmap(&bootinfo.memmap)) { |
50 | if (!ofw_memmap(&bootinfo.memmap)) { |
51 | printf("Error: unable to get memory map, halting.\n"); |
51 | printf("Error: unable to get memory map, halting.\n"); |
52 | halt(); |
52 | halt(); |
53 | } |
53 | } |
54 | 54 | ||
55 | if (bootinfo.memmap.total == 0) { |
55 | if (bootinfo.memmap.total == 0) { |
56 | printf("Error: no memory detected, halting.\n"); |
56 | printf("Error: no memory detected, halting.\n"); |
57 | halt(); |
57 | halt(); |
58 | } |
58 | } |
59 | 59 | ||
60 | if (!ofw_screen(&bootinfo.screen)) { |
- | |
61 | printf("Error: unable to get screen properties, halting.\n"); |
- | |
62 | halt(); |
- | |
63 | } |
- | |
64 | bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr); |
- | |
65 | /* transform scanline to bytes with respect to potential alignment */ |
- | |
66 | bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3]; |
- | |
67 | - | ||
68 | if (!ofw_cpu(&bootinfo.cpu)) |
60 | if (!ofw_cpu(&bootinfo.cpu)) |
69 | printf("Error: unable to get cpu properties\n"); |
61 | printf("Error: unable to get cpu properties\n"); |
70 | 62 | ||
71 | printf("\nDevice statistics\n"); |
63 | printf("\nDevice info\n"); |
72 | printf(" cpu: %dMHz\n", bootinfo.cpu.clock_frequency/1000000); |
64 | printf(" cpu: %dMHz\n", bootinfo.cpu.clock_frequency/1000000); |
73 | printf(" memory: %dM\n", bootinfo.memmap.total>>20); |
65 | printf(" memory: %dM\n", bootinfo.memmap.total>>20); |
74 | printf(" screen at %P, resolution %dx%d, %d bpp (scanline %d bytes)\n", (uintptr_t) bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
- | |
75 | 66 | ||
76 | printf("\nMemory statistics\n"); |
67 | printf("\nMemory statistics\n"); |
77 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
68 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
78 | printf(" %P: boot info structure\n", &bootinfo); |
69 | printf(" %P: boot info structure\n", &bootinfo); |
79 | 70 | ||
80 | unsigned int i; |
71 | unsigned int i; |
81 | for (i = 0; i < COMPONENTS; i++) |
72 | for (i = 0; i < COMPONENTS; i++) |
82 | printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
73 | printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
83 | 74 | ||
84 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
75 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
85 | unsigned int top = 0; |
76 | unsigned int top = 0; |
86 | 77 | ||
87 | printf("\nCopying components\n"); |
78 | printf("\nCopying components\n"); |
88 | bootinfo.taskmap.count = 0; |
79 | bootinfo.taskmap.count = 0; |
89 | for (i = 0; i < COMPONENTS; i++) { |
80 | for (i = 0; i < COMPONENTS; i++) { |
90 | printf(" %s...", components[i].name); |
81 | printf(" %s...", components[i].name); |
91 | top = ALIGN_UP(top, PAGE_SIZE); |
82 | top = ALIGN_UP(top, PAGE_SIZE); |
92 | memcpy(base + top, components[i].start, components[i].size); |
83 | memcpy(base + top, components[i].start, components[i].size); |
93 | if (i > 0) { |
84 | if (i > 0) { |
94 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
85 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
95 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
86 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
96 | bootinfo.taskmap.count++; |
87 | bootinfo.taskmap.count++; |
97 | } |
88 | } |
98 | top += components[i].size; |
89 | top += components[i].size; |
99 | printf("done.\n"); |
90 | printf("done.\n"); |
100 | } |
91 | } |
101 | 92 | ||
102 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE)); |
93 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE)); |
103 | 94 | ||
104 | printf("\nCanonizing OpenFirmware device tree..."); |
95 | printf("\nCanonizing OpenFirmware device tree..."); |
105 | bootinfo.ofw_root = ofw_tree_build(); |
96 | bootinfo.ofw_root = ofw_tree_build(); |
106 | printf("done.\n"); |
97 | printf("done.\n"); |
107 | 98 | ||
108 | printf("\nBooting the kernel...\n"); |
99 | printf("\nBooting the kernel...\n"); |
109 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
100 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
110 | } |
101 | } |
111 | 102 |