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Rev | Author | Line No. | Line |
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1018 | decky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Martin Decky |
3 | * Copyright (c) 2006 Jakub Jermar |
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1018 | decky | 4 | * All rights reserved. |
5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * - Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * - Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * - The name of the author may not be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #include "main.h" |
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1764 | jermar | 31 | #include <printf.h> |
1018 | decky | 32 | #include "asm.h" |
1685 | decky | 33 | #include "_components.h" |
1894 | jermar | 34 | #include <balloc.h> |
1782 | jermar | 35 | #include <ofw.h> |
1894 | jermar | 36 | #include <ofw_tree.h> |
1837 | jermar | 37 | #include "ofwarch.h" |
1789 | jermar | 38 | #include <align.h> |
1018 | decky | 39 | |
1782 | jermar | 40 | bootinfo_t bootinfo; |
1972 | jermar | 41 | component_t components[COMPONENTS]; |
1782 | jermar | 42 | |
1997 | decky | 43 | char *release = RELEASE; |
44 | |||
45 | #ifdef REVISION |
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46 | char *revision = ", revision " REVISION; |
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47 | #else |
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48 | char *revision = ""; |
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49 | #endif |
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50 | |||
51 | #ifdef TIMESTAMP |
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52 | char *timestamp = "\nBuilt on " TIMESTAMP; |
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53 | #else |
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54 | char *timestamp = ""; |
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55 | #endif |
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56 | |||
57 | /** Print version information. */ |
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58 | static void version_print(void) |
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59 | { |
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2071 | jermar | 60 | printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp); |
1997 | decky | 61 | } |
62 | |||
1018 | decky | 63 | void bootstrap(void) |
64 | { |
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1997 | decky | 65 | version_print(); |
1972 | jermar | 66 | |
1685 | decky | 67 | init_components(components); |
1782 | jermar | 68 | |
1978 | jermar | 69 | if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
70 | printf("Error: unable to get start of physical memory.\n"); |
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71 | halt(); |
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72 | } |
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73 | |||
1789 | jermar | 74 | if (!ofw_memmap(&bootinfo.memmap)) { |
75 | printf("Error: unable to get memory map, halting.\n"); |
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76 | halt(); |
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77 | } |
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78 | |||
79 | if (bootinfo.memmap.total == 0) { |
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80 | printf("Error: no memory detected, halting.\n"); |
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81 | halt(); |
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82 | } |
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83 | |||
1899 | jermar | 84 | printf("\nSystem info\n"); |
1978 | jermar | 85 | printf(" memory: %dM starting at %P\n", |
86 | bootinfo.memmap.total >> 20, bootinfo.physmem_start); |
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1789 | jermar | 87 | |
1685 | decky | 88 | printf("\nMemory statistics\n"); |
1789 | jermar | 89 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
90 | printf(" %P: boot info structure\n", &bootinfo); |
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1685 | decky | 91 | |
92 | unsigned int i; |
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93 | for (i = 0; i < COMPONENTS; i++) |
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1978 | jermar | 94 | printf(" %P: %s image (size %d bytes)\n", components[i].start, |
2250 | jermar | 95 | components[i].name, components[i].size); |
1782 | jermar | 96 | |
1894 | jermar | 97 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
98 | unsigned int top = 0; |
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99 | |||
1685 | decky | 100 | printf("\nCopying components\n"); |
1790 | jermar | 101 | bootinfo.taskmap.count = 0; |
1685 | decky | 102 | for (i = 0; i < COMPONENTS; i++) { |
103 | printf(" %s...", components[i].name); |
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104 | top = ALIGN_UP(top, PAGE_SIZE); |
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2250 | jermar | 105 | |
106 | /* |
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107 | * At this point, we claim the physical memory that we are |
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108 | * going to use. We should be safe in case of the virtual |
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109 | * address space because the OpenFirmware, according to its |
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110 | * SPARC binding, should restrict its use of virtual memory |
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111 | * to addresses from [0xffd00000; 0xffefffff] and |
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112 | * [0xfe000000; 0xfeffffff]. |
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113 | */ |
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114 | (void) ofw_claim_phys(bootinfo.physmem_start + base + top, |
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115 | ALIGN_UP(components[i].size, PAGE_SIZE)); |
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116 | |||
1790 | jermar | 117 | memcpy(base + top, components[i].start, components[i].size); |
1685 | decky | 118 | if (i > 0) { |
2250 | jermar | 119 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = |
120 | base + top; |
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121 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = |
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122 | components[i].size; |
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1790 | jermar | 123 | bootinfo.taskmap.count++; |
1685 | decky | 124 | } |
125 | top += components[i].size; |
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126 | printf("done.\n"); |
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1018 | decky | 127 | } |
1782 | jermar | 128 | |
2250 | jermar | 129 | /* |
130 | * Claim the physical memory for the boot allocator. |
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131 | * Initialize the boot allocator. |
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132 | */ |
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133 | (void) ofw_claim_phys(bootinfo.physmem_start + |
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134 | base + ALIGN_UP(top, PAGE_SIZE), BALLOC_MAX_SIZE); |
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135 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, |
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136 | PAGE_SIZE)); |
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1894 | jermar | 137 | |
138 | printf("\nCanonizing OpenFirmware device tree..."); |
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139 | bootinfo.ofw_root = ofw_tree_build(); |
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140 | printf("done.\n"); |
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141 | |||
1979 | jermar | 142 | #ifdef CONFIG_SMP |
1899 | jermar | 143 | printf("\nChecking for secondary processors..."); |
144 | if (!ofw_cpu()) |
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1978 | jermar | 145 | printf("Error: unable to get CPU properties\n"); |
1899 | jermar | 146 | printf("done.\n"); |
1979 | jermar | 147 | #endif |
1899 | jermar | 148 | |
1018 | decky | 149 | printf("\nBooting the kernel...\n"); |
1978 | jermar | 150 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, |
2250 | jermar | 151 | bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, |
152 | sizeof(bootinfo)); |
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1018 | decky | 153 | } |
2250 | jermar | 154 |