Add Acpi50 FPDT and BGRT module into MdeModulePkg.
Signed-off-by: lgao4 Reviewed-by: hhtian git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12804 6f19259b-4bc3-4df7-8a09-765794883524
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lgao4
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/** @file
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This module update S3 Suspend Performance Record in ACPI Firmware Performance Data Table.
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This module register report status code listener to collect performance data
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for S3 Suspend Performance Record.
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Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiSmm.h>
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#include <IndustryStandard/Acpi50.h>
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#include <Protocol/SmmReportStatusCodeHandler.h>
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#include <Guid/FirmwarePerformance.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/TimerLib.h>
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#include <Library/LockBoxLib.h>
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#include <Library/PcdLib.h>
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EFI_SMM_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;
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UINT64 mSuspendStartTime = 0;
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BOOLEAN mS3SuspendLockBoxSaved = FALSE;
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/**
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Report status code listener for SMM. This is used to record the performance
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data for S3 Suspend Start and S3 Suspend End in FPDT.
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@param[in] CodeType Indicates the type of status code being reported.
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@param[in] Value Describes the current status of a hardware or software entity.
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This included information about the class and subclass that is used to
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classify the entity as well as an operation.
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@param[in] Instance The enumeration of a hardware or software entity within
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the system. Valid instance numbers start with 1.
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@param[in] CallerId This optional parameter may be used to identify the caller.
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This parameter allows the status code driver to apply different rules to
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different callers.
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@param[in] Data This optional parameter may be used to pass additional data.
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@retval EFI_SUCCESS Status code is what we expected.
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@retval EFI_UNSUPPORTED Status code not supported.
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**/
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EFI_STATUS
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EFIAPI
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FpdtStatusCodeListenerSmm (
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IN EFI_STATUS_CODE_TYPE CodeType,
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IN EFI_STATUS_CODE_VALUE Value,
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IN UINT32 Instance,
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IN EFI_GUID *CallerId,
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IN EFI_STATUS_CODE_DATA *Data
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)
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{
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EFI_STATUS Status;
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UINT64 CurrentTime;
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EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD S3SuspendRecord;
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//
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// Check whether status code is what we are interested in.
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//
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if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) != EFI_PROGRESS_CODE) {
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return EFI_UNSUPPORTED;
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}
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if ((Value != PcdGet32 (PcdProgressCodeS3SuspendStart)) &&
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(Value != PcdGet32 (PcdProgressCodeS3SuspendEnd))) {
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return EFI_UNSUPPORTED;
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}
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//
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// Retrieve current time.
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//
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CurrentTime = GetTimeInNanoSecond (GetPerformanceCounter ());
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if (Value == PcdGet32 (PcdProgressCodeS3SuspendStart)) {
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//
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// S3 Suspend started, record the performance data and return.
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//
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mSuspendStartTime = CurrentTime;
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return EFI_SUCCESS;
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}
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//
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// We are going to S3 sleep, record S3 Suspend End performance data.
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//
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S3SuspendRecord.SuspendStart = mSuspendStartTime;
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S3SuspendRecord.SuspendEnd = CurrentTime;
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//
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// Save S3 suspend performance data to lock box, it will be used by Firmware Performance PEIM.
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//
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if (!mS3SuspendLockBoxSaved) {
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Status = SaveLockBox (
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&gEfiFirmwarePerformanceGuid,
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&S3SuspendRecord,
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sizeof (EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD)
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);
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ASSERT_EFI_ERROR (Status);
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mS3SuspendLockBoxSaved = TRUE;
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} else {
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Status = UpdateLockBox (
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&gEfiFirmwarePerformanceGuid,
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0,
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&S3SuspendRecord,
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sizeof (EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD)
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);
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ASSERT_EFI_ERROR (Status);
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}
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return EFI_SUCCESS;
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}
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/**
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The module Entry Point of the Firmware Performance Data Table SMM driver.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The entry point is executed successfully.
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@retval Other Some error occurs when executing this entry point.
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**/
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EFI_STATUS
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EFIAPI
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FirmwarePerformanceSmmEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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if (FeaturePcdGet (PcdFirmwarePerformanceDataTableS3Support)) {
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EFI_STATUS Status;
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//
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// Get SMM Report Status Code Handler Protocol.
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//
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Status = gSmst->SmmLocateProtocol (
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&gEfiSmmRscHandlerProtocolGuid,
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NULL,
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(VOID **) &mRscHandlerProtocol
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Register report status code listener for S3 Suspend Start and End.
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//
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Status = mRscHandlerProtocol->Register (FpdtStatusCodeListenerSmm);
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ASSERT_EFI_ERROR (Status);
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return Status;
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} else {
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return EFI_UNSUPPORTED;
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}
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}
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