From 8917b808ce4b4cda9b8e52c7ff8bb04e7836479b Mon Sep 17 00:00:00 2001 From: Daisuke Nojiri Date: Tue, 3 May 2016 16:46:55 -0700 Subject: bdb: Add vboot_register.h 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 Reviewed-on: https://chromium-review.googlesource.com/342603 --- firmware/bdb/vboot_register.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 firmware/bdb/vboot_register.h diff --git a/firmware/bdb/vboot_register.h b/firmware/bdb/vboot_register.h new file mode 100644 index 00000000..8844bf62 --- /dev/null +++ b/firmware/bdb/vboot_register.h @@ -0,0 +1,22 @@ +/* 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 -- cgit v1.2.1