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Rev | Author | Line No. | Line |
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1018 | decky | 1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | #include "main.h" |
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1764 | jermar | 30 | #include <printf.h> |
1018 | decky | 31 | #include "asm.h" |
1685 | decky | 32 | #include "_components.h" |
1894 | jermar | 33 | #include <balloc.h> |
1782 | jermar | 34 | #include <ofw.h> |
1894 | jermar | 35 | #include <ofw_tree.h> |
1837 | jermar | 36 | #include "ofwarch.h" |
1789 | jermar | 37 | #include <align.h> |
1018 | decky | 38 | |
1782 | jermar | 39 | bootinfo_t bootinfo; |
1972 | jermar | 40 | component_t components[COMPONENTS]; |
1782 | jermar | 41 | |
1018 | decky | 42 | void bootstrap(void) |
43 | { |
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1771 | jermar | 44 | printf("HelenOS SPARC64 Bootloader\n"); |
1972 | jermar | 45 | |
1685 | decky | 46 | init_components(components); |
1782 | jermar | 47 | |
1789 | jermar | 48 | if (!ofw_memmap(&bootinfo.memmap)) { |
49 | printf("Error: unable to get memory map, halting.\n"); |
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50 | halt(); |
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51 | } |
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52 | |||
53 | if (bootinfo.memmap.total == 0) { |
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54 | printf("Error: no memory detected, halting.\n"); |
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55 | halt(); |
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56 | } |
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57 | |||
1899 | jermar | 58 | printf("\nSystem info\n"); |
1789 | jermar | 59 | printf(" memory: %dM\n", bootinfo.memmap.total>>20); |
60 | |||
1685 | decky | 61 | printf("\nMemory statistics\n"); |
1789 | jermar | 62 | printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
63 | printf(" %P: boot info structure\n", &bootinfo); |
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1685 | decky | 64 | |
65 | unsigned int i; |
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66 | for (i = 0; i < COMPONENTS; i++) |
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1789 | jermar | 67 | printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
1782 | jermar | 68 | |
1894 | jermar | 69 | void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
70 | unsigned int top = 0; |
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71 | |||
1685 | decky | 72 | printf("\nCopying components\n"); |
1790 | jermar | 73 | bootinfo.taskmap.count = 0; |
1685 | decky | 74 | for (i = 0; i < COMPONENTS; i++) { |
75 | printf(" %s...", components[i].name); |
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76 | top = ALIGN_UP(top, PAGE_SIZE); |
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1790 | jermar | 77 | memcpy(base + top, components[i].start, components[i].size); |
1685 | decky | 78 | if (i > 0) { |
1790 | jermar | 79 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
80 | bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
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81 | bootinfo.taskmap.count++; |
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1685 | decky | 82 | } |
83 | top += components[i].size; |
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84 | printf("done.\n"); |
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1018 | decky | 85 | } |
1782 | jermar | 86 | |
1894 | jermar | 87 | balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE)); |
88 | |||
89 | printf("\nCanonizing OpenFirmware device tree..."); |
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90 | bootinfo.ofw_root = ofw_tree_build(); |
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91 | printf("done.\n"); |
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92 | |||
1899 | jermar | 93 | printf("\nChecking for secondary processors..."); |
94 | if (!ofw_cpu()) |
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95 | printf("Error: unable to get cpu properties\n"); |
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96 | printf("done.\n"); |
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97 | |||
1018 | decky | 98 | printf("\nBooting the kernel...\n"); |
1899 | jermar | 99 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, 1, &bootinfo, sizeof(bootinfo)); |
1018 | decky | 100 | } |