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bdb: Add vboot_register.h

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vboot_register.h lists definitions for vboot registers. Vboot registers
are used to transfer information between modules (coreboot & depthcharge)
or boots.

BUG=chrome-os-partner:51907
BRANCH=tot
TEST=make runtests

Change-Id: Ie0876fefb43d3e79a8f96e8f25f99f798892a056
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/342603
This commit is contained in:
Daisuke Nojiri
2016-05-03 16:46:55 -07:00
committed by chrome-bot
parent 8fc5916c7f
commit 8917b808ce
1 changed files with 22 additions and 0 deletions
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22
firmware/bdb/vboot_register.h Normal file
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/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef VBOOT_REFERENCE_FIRMWARE_BDB_VBOOT_REGISTER_H
#define VBOOT_REFERENCE_FIRMWARE_BDB_VBOOT_REGISTER_H
enum vboot_register {
/* Register cleared after every reset */
VBOOT_REGISTER,
/* Register cleared after cold reset (persists after warm reset) */
VBOOT_REGISTER_PERSIST,
};
/* Bit fields for VBOOT_REGISTER_PERSISTENT */
#define VBOOT_REGISTER_RECOVERY_REQUEST (1 << 0)
#define VBOOT_REGISTER_TRY_SECONDARY_BDB (1 << 1)
#define VBOOT_REGISTER_FAILED_RW_PRIMARY (1 << 2)
#define VBOOT_REGISTER_FAILED_RW_SECONDARY (1 << 3)
#endif