diff options
Diffstat (limited to 'src/arch/x86/bootblock_normal.c')
-rw-r--r-- | src/arch/x86/bootblock_normal.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/arch/x86/bootblock_normal.c b/src/arch/x86/bootblock_normal.c new file mode 100644 index 0000000..bde2535 --- /dev/null +++ b/src/arch/x86/bootblock_normal.c @@ -0,0 +1,52 @@ +#include <smp/node.h> +#include <bootblock_common.h> +#include <pc80/mc146818rtc.h> +#include <halt.h> + +static const char *get_fallback(const char *stagelist) { + while (*stagelist) stagelist++; + return ++stagelist; +} + +static void main(unsigned long bist) +{ + unsigned long entry; + int boot_mode; + const char *default_filenames = "normal/romstage\0fallback/romstage"; + + if (boot_cpu()) { + bootblock_mainboard_init(); + +#if CONFIG_USE_OPTION_TABLE + sanitize_cmos(); +#endif + boot_mode = do_normal_boot(); + } else { + + /* Questionable single byte read from CMOS. + * Do not add any other CMOS access in the + * bootblock for AP CPUs. + */ + boot_mode = last_boot_normal(); + } + + char *filenames = (char *)walkcbfs("coreboot-stages"); + if (!filenames) { + filenames = default_filenames; + } + char *normal_candidate = filenames; + + if (boot_mode) + entry = findstage(normal_candidate); + else + entry = findstage(get_fallback(normal_candidate)); + + if (entry) call(entry, bist); + + /* run fallback if normal can't be found */ + entry = findstage(get_fallback(normal_candidate)); + if (entry) call(entry, bist); + + /* duh. we're stuck */ + halt(); +} |