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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 | char *release = RELEASE; |
43 | char *release = RELEASE; |
44 | 44 | ||
45 | #ifdef REVISION |
45 | #ifdef REVISION |
46 | char *revision = ", revision " REVISION; |
46 | char *revision = ", revision " REVISION; |
47 | #else |
47 | #else |
48 | char *revision = ""; |
48 | char *revision = ""; |
49 | #endif |
49 | #endif |
50 | 50 | ||
51 | #ifdef TIMESTAMP |
51 | #ifdef TIMESTAMP |
52 | char *timestamp = "\nBuilt on " TIMESTAMP; |
52 | char *timestamp = "\nBuilt on " TIMESTAMP; |
53 | #else |
53 | #else |
54 | char *timestamp = ""; |
54 | char *timestamp = ""; |
55 | #endif |
55 | #endif |
56 | 56 | ||
57 | /** Print version information. */ |
57 | /** Print version information. */ |
58 | static void version_print(void) |
58 | static void version_print(void) |
59 | { |
59 | { |
60 | printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp); |
60 | printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp); |
61 | } |
61 | } |
62 | 62 | ||
63 | void bootstrap(void) |
63 | void bootstrap(void) |
64 | { |
64 | { |
65 | version_print(); |
65 | version_print(); |
66 | 66 | ||
67 | init_components(components); |
67 | init_components(components); |
68 | 68 | ||
69 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
69 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
70 | printf("Error: unable to get start of physical memory.\n"); |
70 | printf("Error: unable to get start of physical memory.\n"); |
71 | halt(); |
71 | halt(); |
72 | } |
72 | } |
73 | 73 | ||
74 | if (!ofw_memmap(&bootinfo.memmap)) { |
74 | if (!ofw_memmap(&bootinfo.memmap)) { |
75 | printf("Error: unable to get memory map, halting.\n"); |
75 | printf("Error: unable to get memory map, halting.\n"); |
76 | halt(); |
76 | halt(); |
77 | } |
77 | } |
78 | 78 | ||
79 | if (bootinfo.memmap.total == 0) { |
79 | if (bootinfo.memmap.total == 0) { |
80 | printf("Error: no memory detected, halting.\n"); |
80 | printf("Error: no memory detected, halting.\n"); |
81 | halt(); |
81 | halt(); |
82 | } |
82 | } |
83 | 83 | ||
84 | printf("\nSystem info\n"); |
84 | printf("\nSystem info\n"); |
85 | printf(" memory: %dM starting at %P\n", |
85 | printf(" memory: %dM starting at %P\n", |
86 | bootinfo.memmap.total >> 20, bootinfo.physmem_start); |
86 | bootinfo.memmap.total >> 20, bootinfo.physmem_start); |
87 | 87 | ||
88 | printf("\nMemory statistics\n"); |
88 | printf("\nMemory statistics\n"); |
89 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
89 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
90 | printf(" %P: boot info structure\n", &bootinfo); |
90 | printf(" %P: boot info structure\n", &bootinfo); |
91 | 91 | ||
92 | unsigned int i; |
92 | unsigned int i; |
93 | for (i = 0; i < COMPONENTS; i++) |
93 | for (i = 0; i < COMPONENTS; i++) |
94 | printf(" %P: %s image (size %d bytes)\n", components[i].start, |
94 | printf(" %P: %s image (size %d bytes)\n", components[i].start, |
95 | components[i].name, components[i].size); |
95 | components[i].name, components[i].size); |
96 | 96 | ||
97 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
97 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
98 | unsigned int top = 0; |
98 | unsigned int top = 0; |
99 | 99 | ||
100 | printf("\nCopying components\n"); |
100 | printf("\nCopying components\n"); |
101 | bootinfo.taskmap.count = 0; |
101 | bootinfo.taskmap.count = 0; |
102 | for (i = 0; i < COMPONENTS; i++) { |
102 | for (i = 0; i < COMPONENTS; i++) { |
103 | printf(" %s...", components[i].name); |
103 | printf(" %s...", components[i].name); |
104 | top = ALIGN_UP(top, PAGE_SIZE); |
104 | top = ALIGN_UP(top, PAGE_SIZE); |
105 | 105 | ||
106 | /* |
106 | /* |
107 | * At this point, we claim the physical memory that we are |
107 | * At this point, we claim the physical memory that we are |
108 | * going to use. We should be safe in case of the virtual |
108 | * going to use. We should be safe in case of the virtual |
109 | * address space because the OpenFirmware, according to its |
109 | * address space because the OpenFirmware, according to its |
110 | * SPARC binding, should restrict its use of virtual memory |
110 | * SPARC binding, should restrict its use of virtual memory |
111 | * to addresses from [0xffd00000; 0xffefffff] and |
111 | * to addresses from [0xffd00000; 0xffefffff] and |
112 | * [0xfe000000; 0xfeffffff]. |
112 | * [0xfe000000; 0xfeffffff]. |
113 | */ |
113 | */ |
114 | (void) ofw_claim_phys(bootinfo.physmem_start + base + top, |
114 | (void) ofw_claim_phys(bootinfo.physmem_start + base + top, |
115 | ALIGN_UP(components[i].size, PAGE_SIZE)); |
115 | ALIGN_UP(components[i].size, PAGE_SIZE)); |
116 | 116 | ||
117 | memcpy(base + top, components[i].start, components[i].size); |
117 | memcpy(base + top, components[i].start, components[i].size); |
118 | if (i > 0) { |
118 | if (i > 0) { |
119 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = |
119 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = |
120 | base + top; |
120 | base + top; |
121 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = |
121 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = |
122 | components[i].size; |
122 | components[i].size; |
123 | bootinfo.taskmap.count++; |
123 | bootinfo.taskmap.count++; |
124 | } |
124 | } |
125 | top += components[i].size; |
125 | top += components[i].size; |
126 | printf("done.\n"); |
126 | printf("done.\n"); |
127 | } |
127 | } |
128 | 128 | ||
129 | /* |
129 | /* |
130 | * Claim the physical memory for the boot allocator. |
130 | * Claim the physical memory for the boot allocator. |
131 | * Initialize the boot allocator. |
131 | * Initialize the boot allocator. |
132 | */ |
132 | */ |
133 | (void) ofw_claim_phys(bootinfo.physmem_start + |
133 | (void) ofw_claim_phys(bootinfo.physmem_start + |
134 | base + ALIGN_UP(top, PAGE_SIZE), BALLOC_MAX_SIZE); |
134 | base + ALIGN_UP(top, PAGE_SIZE), BALLOC_MAX_SIZE); |
135 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, |
135 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, |
136 | PAGE_SIZE)); |
136 | PAGE_SIZE)); |
137 | 137 | ||
138 | printf("\nCanonizing OpenFirmware device tree..."); |
138 | printf("\nCanonizing OpenFirmware device tree..."); |
139 | bootinfo.ofw_root = ofw_tree_build(); |
139 | bootinfo.ofw_root = ofw_tree_build(); |
140 | printf("done.\n"); |
140 | printf("done.\n"); |
141 | 141 | ||
142 | #ifdef CONFIG_SMP |
142 | #ifdef CONFIG_SMP |
143 | printf("\nChecking for secondary processors..."); |
143 | printf("\nChecking for secondary processors..."); |
144 | if (!ofw_cpu()) |
144 | if (!ofw_cpu()) |
145 | printf("Error: unable to get CPU properties\n"); |
145 | printf("Error: unable to get CPU properties\n"); |
146 | printf("done.\n"); |
146 | printf("done.\n"); |
147 | #endif |
147 | #endif |
148 | 148 | ||
149 | printf("\nBooting the kernel...\n"); |
149 | printf("\nBooting the kernel...\n"); |
150 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, |
150 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, |
151 | bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, |
151 | bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, |
152 | sizeof(bootinfo)); |
152 | sizeof(bootinfo)); |
153 | } |
153 | } |
154 | 154 | ||
155 | 155 |