| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #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); |
| } |