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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3479 Adds a new library class VariableFlashInfoLib that abstracts access to variable flash information. The instance provided first attempts to retrieve information from the Variable Flash Info HOB. If that HOB is not present, it falls back to the PCDs defined in MdeModulePkg. This fall back behavior provides backward compatibility for platforms that only provide PCDs but also allows platforms that need to dynamically provide the information using the Variable Flash Info HOB to do so at runtime. Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao A Wu <hao.a.wu@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
13 lines
373 B
Plaintext
13 lines
373 B
Plaintext
// /** @file
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// Variable Flash Information Library
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//
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// Copyright (c) Microsoft Corporation<BR>
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//
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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// **/
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#string STR_MODULE_ABSTRACT #language en-US "UEFI variable flash information library"
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#string STR_MODULE_DESCRIPTION #language en-US "Provides services to access UEFI variable flash information."
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