qemu/tests/multiboot/modules.c
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   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
  26int 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}
  56