1 files changed, 70 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vboot2/common.c b/src/vendorcode/google/chromeos/vboot2/common.c
new file mode 100644
index 0000000000..178e8b53f1
--- /dev/null
+++ b/src/vendorcode/google/chromeos/vboot2/common.c
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cbfs.h>
+#include <console/console.h>
+#include <reset.h>
+#include "../chromeos.h"
+#include "../vboot_handoff.h"
+#include "misc.h"
+#include "symbols.h"
+
+void *vboot_load_stage(int stage_index,
+		       struct vboot_region *fw_main,
+		       struct vboot_components *fw_info)
+{
+	struct cbfs_media default_media, *media = &default_media;
+	uintptr_t fc_addr;
+	uint32_t fc_size;
+	void *entry;
+
+	if (stage_index >= fw_info->num_components) {
+		printk(BIOS_INFO, "invalid stage index\n");
+		return NULL;
+	}
+
+	fc_addr = fw_main->offset_addr + fw_info->entries[stage_index].offset;
+	fc_size = fw_info->entries[stage_index].size;
+	if (fc_size == 0 ||
+	    fc_addr + fc_size > fw_main->offset_addr + fw_main->size) {
+		printk(BIOS_INFO, "invalid stage address or size\n");
+		return NULL;
+	}
+
+	init_default_cbfs_media(media);
+
+	/* we're making cbfs access offset outside of the region managed by
+	 * cbfs. this works because cbfs_load_stage_by_offset does not check
+	 * the offset. */
+	entry = cbfs_load_stage_by_offset(media, fc_addr);
+	if (entry == (void *)-1)
+		entry = NULL;
+	return entry;
+}
+
+struct vb2_working_data * const vboot_get_working_data(void)
+{
+	return (struct vb2_working_data *)_vboot2_work;
+}
+
+void vboot_reboot(void)
+{
+	hard_reset();
+	die("failed to reboot");
+}