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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 <ofw.h> |
33 | #include <ofw.h> |
- | 34 | #include "ofwarch.h" |
|
34 | #include <align.h> |
35 | #include <align.h> |
35 | 36 | ||
36 | #define KERNEL_VIRTUAL_ADDRESS 0x400000 |
37 | #define KERNEL_VIRTUAL_ADDRESS 0x400000 |
37 | 38 | ||
38 | bootinfo_t bootinfo; |
39 | bootinfo_t bootinfo; |
39 | 40 | ||
40 | void bootstrap(void) |
41 | void bootstrap(void) |
41 | { |
42 | { |
42 | printf("HelenOS SPARC64 Bootloader\n"); |
43 | printf("HelenOS SPARC64 Bootloader\n"); |
43 | 44 | ||
44 | component_t components[COMPONENTS]; |
45 | component_t components[COMPONENTS]; |
45 | init_components(components); |
46 | init_components(components); |
46 | 47 | ||
47 | if (!ofw_memmap(&bootinfo.memmap)) { |
48 | if (!ofw_memmap(&bootinfo.memmap)) { |
48 | printf("Error: unable to get memory map, halting.\n"); |
49 | printf("Error: unable to get memory map, halting.\n"); |
49 | halt(); |
50 | halt(); |
50 | } |
51 | } |
51 | 52 | ||
52 | if (bootinfo.memmap.total == 0) { |
53 | if (bootinfo.memmap.total == 0) { |
53 | printf("Error: no memory detected, halting.\n"); |
54 | printf("Error: no memory detected, halting.\n"); |
54 | halt(); |
55 | halt(); |
55 | } |
56 | } |
56 | 57 | ||
57 | if (!ofw_screen(&bootinfo.screen)) { |
58 | if (!ofw_screen(&bootinfo.screen)) { |
58 | printf("Error: unable to get screen properties, halting.\n"); |
59 | printf("Error: unable to get screen properties, halting.\n"); |
59 | halt(); |
60 | halt(); |
60 | } |
61 | } |
61 | bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr); |
62 | bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr); |
- | 63 | /* transform scanline to bytes with respect to potential alignment */ |
|
- | 64 | bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3]; |
|
62 | 65 | ||
63 | if (!ofw_keyboard(&bootinfo.keyboard)) |
66 | if (!ofw_keyboard(&bootinfo.keyboard)) |
64 | printf("Error: unable to get keyboard properties\n"); |
67 | printf("Error: unable to get keyboard properties\n"); |
65 | 68 | ||
66 | printf("\nDevice statistics\n"); |
69 | printf("\nDevice statistics\n"); |
67 | printf(" memory: %dM\n", bootinfo.memmap.total>>20); |
70 | printf(" memory: %dM\n", bootinfo.memmap.total>>20); |
68 | 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); |
71 | 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); |
69 | printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size); |
72 | printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size); |
70 | 73 | ||
71 | printf("\nMemory statistics\n"); |
74 | printf("\nMemory statistics\n"); |
72 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
75 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
73 | printf(" %P: boot info structure\n", &bootinfo); |
76 | printf(" %P: boot info structure\n", &bootinfo); |
74 | 77 | ||
75 | unsigned int i; |
78 | unsigned int i; |
76 | for (i = 0; i < COMPONENTS; i++) |
79 | for (i = 0; i < COMPONENTS; i++) |
77 | printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
80 | printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
78 | 81 | ||
79 | printf("\nCopying components\n"); |
82 | printf("\nCopying components\n"); |
80 | unsigned int top = 0; |
83 | unsigned int top = 0; |
81 | bootinfo.taskmap.count = 0; |
84 | bootinfo.taskmap.count = 0; |
82 | for (i = 0; i < COMPONENTS; i++) { |
85 | for (i = 0; i < COMPONENTS; i++) { |
83 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
86 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
84 | 87 | ||
85 | printf(" %s...", components[i].name); |
88 | printf(" %s...", components[i].name); |
86 | top = ALIGN_UP(top, PAGE_SIZE); |
89 | top = ALIGN_UP(top, PAGE_SIZE); |
87 | memcpy(base + top, components[i].start, components[i].size); |
90 | memcpy(base + top, components[i].start, components[i].size); |
88 | if (i > 0) { |
91 | if (i > 0) { |
89 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
92 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
90 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
93 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
91 | bootinfo.taskmap.count++; |
94 | bootinfo.taskmap.count++; |
92 | } |
95 | } |
93 | top += components[i].size; |
96 | top += components[i].size; |
94 | printf("done.\n"); |
97 | printf("done.\n"); |
95 | } |
98 | } |
96 | 99 | ||
97 | printf("\nBooting the kernel...\n"); |
100 | printf("\nBooting the kernel...\n"); |
98 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
101 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
99 | } |
102 | } |
100 | 103 |