scoutos / prex-0.9.0 / bsp / boot / common / bootinfo.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*-
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2 | * Copyright (c) 2005-2009, Kohsuke Ohtani
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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 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | /*
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31 | * bootinfo.c - Boot information
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32 | */
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33 | |||
34 | #include <boot.h> |
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35 | #include <sys/bootinfo.h> |
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36 | #include <machine/syspage.h> |
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37 | |||
38 | /*
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39 | * Boot information holds various platform dependent data that
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40 | * can be referred by kernel/drivers.
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41 | */
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42 | struct bootinfo *const bootinfo = (struct bootinfo *)kvtop(BOOTINFO); |
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43 | |||
44 | |||
45 | #if defined(DEBUG) && defined(DEBUG_BOOTINFO)
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46 | static void |
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47 | print_module(struct module *m)
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48 | { |
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49 | |||
50 | printf("%lx %lx %x %lx %lx %x %x %x %s\n",
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51 | m->entry, m->phys, m->size, |
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52 | m->text, m->data, m->textsz, |
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53 | m->datasz, m->bsssz, m->name); |
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54 | } |
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55 | |||
56 | void
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57 | dump_bootinfo(void)
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58 | { |
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59 | static const char strtype[][9] = \ |
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60 | { "", "USABLE", "MEMHOLE", "RESERVED", "BOOTDISK" }; |
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61 | struct module *m;
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62 | struct bootinfo *bi = bootinfo;
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63 | int i;
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64 | |||
65 | printf("[Boot information]\n");
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66 | |||
67 | printf("nr_rams=%d\n", bi->nr_rams);
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68 | for (i = 0; i < bi->nr_rams; i++) { |
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69 | if (bi->ram[i].type != 0) { |
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70 | printf("ram[%d]: base=%lx size=%x type=%s\n", i,
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71 | bi->ram[i].base, |
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72 | bi->ram[i].size, |
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73 | strtype[bi->ram[i].type]); |
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74 | } |
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75 | } |
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76 | |||
77 | printf("bootdisk: base=%lx size=%x\n",
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78 | bi->bootdisk.base, |
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79 | bi->bootdisk.size); |
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80 | |||
81 | printf("entry phys size text data textsz datasz bsssz module\n");
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82 | printf("-------- -------- -------- -------- -------- -------- -------- -------- ------\n");
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83 | print_module(&bi->kernel); |
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84 | print_module(&bi->driver); |
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85 | |||
86 | m = (struct module *)&bi->tasks[0]; |
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87 | for (i = 0; i < bi->nr_tasks; i++, m++) |
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88 | print_module(m); |
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89 | } |
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90 | #else
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91 | void
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92 | dump_bootinfo(void)
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93 | { |
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94 | } |
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95 | #endif |