mirror of https://github.com/acidanthera/audk.git
73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/** @file
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Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Module Name:
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IdccInfo.c
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Abstract:
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Platform information used by IDCC.
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Revision History
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--*/
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#include "PlatformDxe.h"
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#include <Guid/IdccData.h>
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extern EFI_GUID mPlatformDriverGuid;
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EFI_STATUS
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WriteIdccInfo (
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)
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{
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EFI_STATUS Status;
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EFI_DATA_HUB_PROTOCOL *DataHub;
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UINT8 Ratio;
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EFI_IDCC_PROCESSOR_RATIO ProcRatio;
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//
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// Locate the data hub protocol
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//
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Status = gBS->LocateProtocol (
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&gEfiDataHubProtocolGuid,
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NULL,
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(VOID **) &DataHub
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);
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//
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// Find processor actual ratio
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//
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Ratio = 15; //Temporary - some dummy value.
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//
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// Fill in IDCC Type 5 structure
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//
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ProcRatio.IdccHeader.Type = EFI_IDCC_PROC_RATIO_TYPE;
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ProcRatio.IdccHeader.RecordLength = sizeof(EFI_IDCC_PROCESSOR_RATIO);
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ProcRatio.ProcessorRatio = Ratio;
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//
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// Write data to the data hub
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//
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Status = DataHub->LogData (
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DataHub,
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&gIdccDataHubGuid,
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&mPlatformDriverGuid,
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EFI_DATA_RECORD_CLASS_DATA,
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&ProcRatio,
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sizeof(EFI_IDCC_PROCESSOR_RATIO)
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);
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return Status;
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}
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