diff options
Diffstat (limited to 'src/arch/x86/bootblock_normal.c')
-rw-r--r-- | src/arch/x86/bootblock_normal.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/arch/x86/bootblock_normal.c b/src/arch/x86/bootblock_normal.c new file mode 100644 index 0000000000..8001ed0641 --- /dev/null +++ b/src/arch/x86/bootblock_normal.c @@ -0,0 +1,45 @@ +/* + * 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 <pc80/mc146818rtc.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); +} |