qemu/tests/multiboot/modules.c

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/*
* Copyright (c) 2015 Kevin Wolf <kwolf@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "libc.h"
#include "multiboot.h"
int test_main(uint32_t magic, struct mb_info *mbi)
{
struct mb_module *mod;
unsigned int i;
(void) magic;
printf("Module list with %d entries at %x\n",
mbi->mods_count, mbi->mods_addr);
for (i = 0, mod = (struct mb_module*) mbi->mods_addr;
i < mbi->mods_count;
i++, mod++)
{
char buf[1024];
unsigned int size = mod->mod_end - mod->mod_start;
printf("[%p] Module: %x - %x (%d bytes) '%s'\n",
mod, mod->mod_start, mod->mod_end, size, mod->string);
/* Print test file, but remove the newline at the end */
if (size < sizeof(buf)) {
memcpy(buf, (void*) mod->mod_start, size);
buf[size - 1] = '\0';
printf(" Content: '%s'\n", buf);
}
}
return 0;
}