summaryrefslogtreecommitdiff
path: root/src/arch/x86/bootblock_normal.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/x86/bootblock_normal.c')
-rw-r--r--src/arch/x86/bootblock_normal.c45
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);
+}