tests/multiboot/modules.c

   1 /*
   2  * Copyright (c) 2015 Kevin Wolf <kwolf@redhat.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  20  * THE SOFTWARE.
  21  */
  22
  23 #include "libc.h"
  24 #include "multiboot.h"
  25
  26 int test_main(uint32_t magic, struct mb_info *mbi)
  27 {
  28     struct mb_module *mod;
  29     unsigned int i;
  30
  31     (void) magic;
  32
  33     printf("Module list with %d entries at %x\n",
  34            mbi->mods_count, mbi->mods_addr);
  35
  36     for (i = 0, mod = (struct mb_module*) mbi->mods_addr;
  37          i < mbi->mods_count;
  38          i++, mod++)
  39     {
  40         char buf[1024];
  41         unsigned int size = mod->mod_end - mod->mod_start;
  42
  43         printf("[%p] Module: %x - %x (%d bytes) '%s'\n",
  44                mod, mod->mod_start, mod->mod_end, size, mod->string);
  45
  46         /* Print test file, but remove the newline at the end */
  47         if (size < sizeof(buf)) {
  48             memcpy(buf, (void*) mod->mod_start, size);
  49             buf[size - 1] = '\0';
  50             printf("         Content: '%s'\n", buf);
  51         }
  52     }
  53
  54     return 0;
  55 }