vboot: Separate vboot from chromeos

VBOOT_VERIFY_FIRMWARE should be independent of CHROMEOS. This allows use
of verified boot library without having to stick to CHROMEOS.

BUG=chrome-os-partner:55639

Change-Id: Ia2c328712caedd230ab295b8a613e3c1ed1532d9
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15867
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/src/vboot/verstage.c b/src/vboot/verstage.c
new file mode 100644
index 0000000000..0ec9ca6d27
--- /dev/null
+++ b/src/vboot/verstage.c
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google Inc.
+ *
+ * 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 <arch/exception.h>
+#include <arch/hlt.h>
+#include <console/console.h>
+#include <program_loading.h>
+#include <vboot/vboot_common.h>
+
+void __attribute__((weak)) verstage_mainboard_init(void)
+{
+	/* Default empty implementation. */
+}
+
+void verstage(void)
+{
+	console_init();
+	exception_init();
+	verstage_mainboard_init();
+
+	if (IS_ENABLED(CONFIG_RETURN_FROM_VERSTAGE)) {
+		verstage_main();
+	} else {
+		run_romstage();
+		hlt();
+	}
+}
+
+#if !IS_ENABLED(CONFIG_CHIPSET_PROVIDES_VERSTAGE_MAIN_SYMBOL)
+/* This is for boards that rely on main() for an entry point of a stage. */
+void main(void) __attribute__((alias ("verstage")));
+#endif