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/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <cbfs.h>
#include <fallback.h>
#include <program_loading.h>
#include <stddef.h>
#include <string.h>
static const char *get_fallback(const char *stagelist)
{
while (*stagelist)
stagelist++;
return ++stagelist;
}
int legacy_romstage_selector(struct prog *romstage)
{
static const char *default_filenames = "normal/romstage\0fallback/romstage";
const char *boot_candidate;
size_t stages_len;
boot_candidate = cbfs_boot_map_with_leak("coreboot-stages", CBFS_TYPE_RAW, &stages_len);
if (!boot_candidate)
boot_candidate = default_filenames;
if (do_normal_boot()) {
romstage->name = boot_candidate;
if (!prog_locate(romstage))
return 0;
}
romstage->name = get_fallback(boot_candidate);
return prog_locate(romstage);
}
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