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authorFurquan Shaikh <furquan@google.com>2016-07-25 11:48:03 -0700
committerFurquan Shaikh <furquan@google.com>2016-07-28 00:36:00 +0200
commit2a12e2e8da2477d97b8774babd1a74dda65d11a0 (patch)
treec8bbdc94b777269dcdaa2c5070c61432b1001986 /src/vboot/vbnv_layout.h
parentaf8ef2a810f97b762d30de2b6f30d6ffefa0ae0e (diff)
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>
Diffstat (limited to 'src/vboot/vbnv_layout.h')
-rw-r--r--src/vboot/vbnv_layout.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/vboot/vbnv_layout.h b/src/vboot/vbnv_layout.h
new file mode 100644
index 0000000000..59acd0c354
--- /dev/null
+++ b/src/vboot/vbnv_layout.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef __VBOOT_VBNV_LAYOUT_H__
+#define __VBOOT_VBNV_LAYOUT_H__
+
+#define VBOOT_VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */
+
+/* Constants for NV storage. We use this rather than structs and
+ * bitfields so the data format is consistent across platforms and
+ * compilers.
+ */
+#define HEADER_OFFSET 0
+#define HEADER_MASK 0xC0
+#define HEADER_SIGNATURE 0x40
+#define HEADER_FIRMWARE_SETTINGS_RESET 0x20
+#define HEADER_KERNEL_SETTINGS_RESET 0x10
+
+#define BOOT_OFFSET 1
+#define BOOT_DEBUG_RESET_MODE 0x80
+#define BOOT_DISABLE_DEV_REQUEST 0x40
+#define BOOT_OPROM_NEEDED 0x20
+#define BOOT_TRY_B_COUNT_MASK 0x0F
+
+#define RECOVERY_OFFSET 2
+#define LOCALIZATION_OFFSET 3
+
+#define DEV_FLAGS_OFFSET 4
+#define DEV_BOOT_USB_MASK 0x01
+#define DEV_BOOT_SIGNED_ONLY_MASK 0x02
+
+#define KERNEL_FIELD_OFFSET 11
+#define CRC_OFFSET 15
+
+#endif /* __VBOOT_VBNV_LAYOUT_H__ */