55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/** @file
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Provide an interface for Project to modify ACPI Table (ex: OEM ID, OEM Table ID).
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;******************************************************************************
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;* Copyright (c) 2013, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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#include <Uefi.h>
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#include <IndustryStandard/Acpi.h>
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/**
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Provide an interface for Project to modify ACPI Table (ex: OEM ID, OEM Table ID).
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@param Table The point to the ACPI Table.
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@retval EFI_UNSUPPORTED Returns unsupported for L05 feature override ACPI OEM ID, OEM Table ID, and OEM Revision
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@retval EFI_MEDIA_CHANGED Returns changed by default for reserve default ACPI Table.
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**/
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EFI_STATUS
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OemSvcAcpiTableUpdate (
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IN OUT VOID *Table
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)
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{
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EFI_STATUS Status;
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EFI_ACPI_DESCRIPTION_HEADER *TableHeader;
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Status = EFI_UNSUPPORTED;
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TableHeader = (EFI_ACPI_DESCRIPTION_HEADER *) Table;
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/*++
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Todo:
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Add project specific code in here.
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--*/
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//
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// After update CRB code to IceLake_05.32.38.0004, platform will can't into OS.
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// OS driver might check the oem ID & oem table ID of "TcssSsdt" table.
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// Ignore the "TcssSsdt" table of SSDT update OEM information to avoid platform can't into OS.
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//
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if (TableHeader->OemTableId == SIGNATURE_64 ('T','c','s','s','S','s','d','t')) {
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return EFI_MEDIA_CHANGED;
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}
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return Status;
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}
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