80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/** @file
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Provide an interface for Project to add Oem CMOS Bank0 offset to do Tpm calculation (Oem CMOS Region: 0x48 ~ 0x4F, 0x6C ~ 0x7F).
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;******************************************************************************
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;* Copyright (c) 2015, 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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//
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// 0x48 ~ 0x4F : OEM Reserve
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// 0x6C ~ 0x7F : OEM Reserve
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// This is sample code.
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// Please fill out it by project requirement
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//
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UINT8 ProtectBank0[] = { 0x48, 0x49, 0x4A,
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0x6C, 0x6D
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};
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//
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// 0x00 ~ 0x0F : OEM Reserve
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// 0x40 ~ 0x57 : OEM Reserve
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// 0x60 ~ 0x7F : OEM Reserve
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// This is sample code.
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// Please fill out it by project requirement.
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//
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UINT8 ProtectBank1[] = { 0x0, 0x01,
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0x40, 0x41,
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0x60, 0x61
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};
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/**
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Provide an interface for Project to add Oem CMOS Bank0 offset to do Tpm calculation (Oem CMOS Region: 0x48 ~ 0x4F, 0x6C ~ 0x7F).
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Oem CMOS Bank0 offset to do Tpm calculation (Oem CMOS Region: 0x00 ~ 0x0F, 0x40 ~ 0x5F, 0x60 ~ 0x7F).
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@param Table The point to the UINT8 Aarray (Size: 0xFF, default value = 0x0).
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@retval EFI_UNSUPPORTED Returns unsupported for L05 feature default behavior.
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@retval EFI_MEDIA_CHANGED Returns changed to add Oem Cmos regions for tpm calcaulation.
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**/
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EFI_STATUS
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OemSvcTpmCmosRegion (
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IN UINT8 CmosBank,
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OUT UINT8 **ProtectCmosTable,
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OUT UINT8 *ProtectCmosTableSize
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)
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{
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EFI_STATUS Status;
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Status = EFI_UNSUPPORTED;
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switch (CmosBank) {
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case 0:
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*ProtectCmosTable = ProtectBank0;
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*ProtectCmosTableSize = sizeof (ProtectBank0);
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// Status = EFI_MEDIA_CHANGED;
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break;
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case 1:
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*ProtectCmosTable = ProtectBank1;
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*ProtectCmosTableSize = sizeof (ProtectBank1);
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// Status = EFI_MEDIA_CHANGED;
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break;
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default:
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Status = EFI_UNSUPPORTED;
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break;
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}
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return Status;
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}
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