7632ce0392
This change adds basic support for reading flags from GBB header located in "GBB" section on SPI flash. Change-Id: I35ecb5ba964511379baa4e9f458ba2e8c6b74b4e Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/25459 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2018 Google LLC
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __SECURITY_VBOOT_GBB_H__
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#define __SECURITY_VBOOT_GBB_H__
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#include <stdint.h>
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/* In order to use GBB_FLAG_* macros from vboot, include gbb_header.h. */
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/*
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* Read flags field from GBB header.
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* Return value:
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* Success: 32-bit unsigned integer representing flags field from GBB header.
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* Error : 0
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*/
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uint32_t gbb_get_flags(void);
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/*
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* Check if given flag is set in the flags field in GBB header.
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* Return value:
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* true: Flag is set.
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* false: Flag is not set or failure to read GBB flags.
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*/
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bool gbb_is_flag_set(uint32_t flag);
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#endif /* __SECURITY_VBOOT_GBB_H__ */
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