xref: /openbmc/qemu/tests/multiboot/modules.c (revision ffe98631)
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 }
56