1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <cbfs.h> 4 #include <fallback.h> 5 #include <program_loading.h> 6 #include <stddef.h> 7 get_fallback(const char * stagelist)8static const char *get_fallback(const char *stagelist) 9 { 10 while (*stagelist) 11 stagelist++; 12 return ++stagelist; 13 } 14 legacy_romstage_select_and_load(struct prog * romstage)15enum cb_err legacy_romstage_select_and_load(struct prog *romstage) 16 { 17 static const char *default_filenames = "normal/romstage\0fallback/romstage"; 18 const char *boot_candidate; 19 size_t stages_len; 20 21 boot_candidate = cbfs_map("coreboot-stages", &stages_len); 22 if (!boot_candidate) 23 boot_candidate = default_filenames; 24 25 if (do_normal_boot()) { 26 romstage->name = boot_candidate; 27 if (cbfs_prog_stage_load(romstage) == CB_SUCCESS) 28 return CB_SUCCESS; 29 } 30 31 romstage->name = get_fallback(boot_candidate); 32 return cbfs_prog_stage_load(romstage); 33 } 34