com32/sysdump/main.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2007-2008 H. Peter Anvin - All Rights Reserved
   4  *   Copyright 2010 Intel Corporation; author: H. Peter Anvin
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   9  *   Boston MA 02111-1307, USA; either version 2 of the License, or
  10  *   (at your option) any later version; incorporated herein by reference.
  11  *
  12  * ----------------------------------------------------------------------- */
  13
  14 #include <stdio.h>
  15 #include <string.h>
  16 #include <stdlib.h>
  17 #include <stdbool.h>
  18 #include <inttypes.h>
  19 #include <dprintf.h>
  20 #include <console.h>
  21 #include <sys/cpu.h>
  22 #include "../../version.h"
  23 #include "backend.h"
  24 #include "sysdump.h"
  25
  26 const char program[] = "sysdump";
  27 const char version[] = "SYSDUMP " VERSION_STR " " DATE "\n";
  28
  29 __noreturn die(const char *msg)
  30 {
  31     printf("%s: %s\n", program, msg);
  32     exit(1);
  33 }
  34
  35 static void dump_all(struct backend *be, const char *argv[])
  36 {
  37     cpio_init(be, argv);
  38
  39     cpio_writefile(be, "sysdump", version, sizeof version-1);
  40
  41     dump_memory_map(be);
  42     dump_memory(be);
  43     dump_dmi(be);
  44     dump_acpi(be);
  45     dump_cpuid(be);
  46     dump_pci(be);
  47     dump_vesa_tables(be);
  48
  49     cpio_close(be);
  50     flush_data(be);
  51 }
  52
  53 static struct backend *backends[] =
  54 {
  55     &be_tftp,
  56     &be_ymodem,
  57     &be_srec,
  58     NULL
  59 };
  60
  61 __noreturn usage(void)
  62 {
  63     struct backend **bep, *be;
  64
  65     printf("Usage:\n");
  66     for (bep = backends ; (be = *bep) ; bep++)
  67         printf("    %s %s %s\n", program, be->name, be->helpmsg);
  68
  69     exit(1);
  70 }
  71
  72 int main(int argc, char *argv[])
  73 {
  74     struct backend **bep, *be;
  75
  76     openconsole(&dev_null_r, &dev_stdcon_w);
  77     fputs(version, stdout);
  78
  79     if (argc < 2)
  80         usage();
  81
  82     for (bep = backends ; (be = *bep) ; bep++) {
  83         if (!strcmp(be->name, argv[1]))
  84             break;
  85     }
  86
  87     if (!be || argc < be->minargs + 2)
  88         usage();
  89
  90     /* Do this as early as possible */
  91     snapshot_lowmem();
  92
  93     printf("Backend: %s\n", be->name);
  94
  95     /* Do the actual data dump */
  96     dump_all(be, (const char **)argv + 2);
  97
  98     return 0;
  99 }