mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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226 lines
8.7 KiB
C
226 lines
8.7 KiB
C
/** @file
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This module updates S3 Resume Performance Record in ACPI Firmware Performance
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Data Table in S3 resume boot mode.
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This module register report status code listener to collect performance data
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for S3 Resume Performance Record on S3 resume boot path.
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Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Ppi/ReportStatusCodeHandler.h>
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#include <Ppi/ReadOnlyVariable2.h>
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#include <Guid/FirmwarePerformance.h>
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#include <Guid/Performance.h>
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#include <Guid/ExtendedFirmwarePerformance.h>
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#include <Library/PeiServicesLib.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/BaseMemoryLib.h>
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#include <Library/LockBoxLib.h>
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#include <Library/PcdLib.h>
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#include <Library/HobLib.h>
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/**
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Report status code listener for PEI. This is used to record the performance
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data for S3 FullResume in FPDT.
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@param[in] PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
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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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FpdtStatusCodeListenerPei (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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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 CONST EFI_GUID *CallerId,
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IN CONST 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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UINTN VarSize;
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EFI_PHYSICAL_ADDRESS S3PerformanceTablePointer;
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S3_PERFORMANCE_TABLE *AcpiS3PerformanceTable;
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EFI_ACPI_5_0_FPDT_S3_RESUME_RECORD *AcpiS3ResumeRecord;
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UINT64 S3ResumeTotal;
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EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD S3SuspendRecord;
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EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD *AcpiS3SuspendRecord;
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EFI_PEI_READ_ONLY_VARIABLE2_PPI *VariableServices;
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UINT8 *BootPerformanceTable;
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FIRMWARE_PERFORMANCE_VARIABLE PerformanceVariable;
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EFI_HOB_GUID_TYPE *GuidHob;
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FPDT_PEI_EXT_PERF_HEADER *PeiPerformanceLogHeader;
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UINT8 *FirmwarePerformanceData;
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UINT8 *FirmwarePerformanceTablePtr;
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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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(Value != (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_OS_WAKE))) {
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return EFI_UNSUPPORTED;
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}
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//
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// Retrieve current time as early as possible.
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//
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CurrentTime = GetTimeInNanoSecond (GetPerformanceCounter ());
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//
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// Update S3 Resume Performance Record.
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//
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S3PerformanceTablePointer = 0;
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VarSize = sizeof (EFI_PHYSICAL_ADDRESS);
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Status = RestoreLockBox (&gFirmwarePerformanceS3PointerGuid, &S3PerformanceTablePointer, &VarSize);
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ASSERT_EFI_ERROR(Status);
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AcpiS3PerformanceTable = (S3_PERFORMANCE_TABLE *) (UINTN) S3PerformanceTablePointer;
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ASSERT (AcpiS3PerformanceTable != NULL);
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if (AcpiS3PerformanceTable->Header.Signature != EFI_ACPI_5_0_FPDT_S3_PERFORMANCE_TABLE_SIGNATURE) {
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DEBUG ((EFI_D_ERROR, "FPDT S3 performance data in ACPI memory get corrupted\n"));
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return EFI_ABORTED;
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}
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AcpiS3ResumeRecord = &AcpiS3PerformanceTable->S3Resume;
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AcpiS3ResumeRecord->FullResume = CurrentTime;
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//
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// Calculate average S3 resume time.
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//
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S3ResumeTotal = MultU64x32 (AcpiS3ResumeRecord->AverageResume, AcpiS3ResumeRecord->ResumeCount);
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AcpiS3ResumeRecord->ResumeCount++;
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AcpiS3ResumeRecord->AverageResume = DivU64x32 (S3ResumeTotal + AcpiS3ResumeRecord->FullResume, AcpiS3ResumeRecord->ResumeCount);
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DEBUG ((EFI_D_INFO, "FPDT: S3 Resume Performance - ResumeCount = %d\n", AcpiS3ResumeRecord->ResumeCount));
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DEBUG ((EFI_D_INFO, "FPDT: S3 Resume Performance - FullResume = %ld\n", AcpiS3ResumeRecord->FullResume));
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DEBUG ((EFI_D_INFO, "FPDT: S3 Resume Performance - AverageResume = %ld\n", AcpiS3ResumeRecord->AverageResume));
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//
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// Update S3 Suspend Performance Record.
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//
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AcpiS3SuspendRecord = &AcpiS3PerformanceTable->S3Suspend;
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VarSize = sizeof (EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD);
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ZeroMem (&S3SuspendRecord, sizeof (EFI_ACPI_5_0_FPDT_S3_SUSPEND_RECORD));
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Status = RestoreLockBox (
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&gEfiFirmwarePerformanceGuid,
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&S3SuspendRecord,
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&VarSize
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);
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ASSERT_EFI_ERROR(Status);
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AcpiS3SuspendRecord->SuspendStart = S3SuspendRecord.SuspendStart;
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AcpiS3SuspendRecord->SuspendEnd = S3SuspendRecord.SuspendEnd;
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DEBUG ((EFI_D_INFO, "FPDT: S3 Suspend Performance - SuspendStart = %ld\n", AcpiS3SuspendRecord->SuspendStart));
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DEBUG ((EFI_D_INFO, "FPDT: S3 Suspend Performance - SuspendEnd = %ld\n", AcpiS3SuspendRecord->SuspendEnd));
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Status = PeiServicesLocatePpi (
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&gEfiPeiReadOnlyVariable2PpiGuid,
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0,
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NULL,
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(VOID **) &VariableServices
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);
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ASSERT_EFI_ERROR(Status);
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//
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// Update S3 boot records into the basic boot performance table.
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//
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VarSize = sizeof (PerformanceVariable);
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Status = VariableServices->GetVariable (
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VariableServices,
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EFI_FIRMWARE_PERFORMANCE_VARIABLE_NAME,
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&gEfiFirmwarePerformanceGuid,
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NULL,
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&VarSize,
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&PerformanceVariable
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);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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BootPerformanceTable = (UINT8*) (UINTN) PerformanceVariable.BootPerformanceTablePointer;
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//
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// Dump PEI boot records
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//
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FirmwarePerformanceTablePtr = (BootPerformanceTable + sizeof (BOOT_PERFORMANCE_TABLE));
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GuidHob = GetFirstGuidHob (&gEdkiiFpdtExtendedFirmwarePerformanceGuid);
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while (GuidHob != NULL) {
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FirmwarePerformanceData = GET_GUID_HOB_DATA (GuidHob);
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PeiPerformanceLogHeader = (FPDT_PEI_EXT_PERF_HEADER *) FirmwarePerformanceData;
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CopyMem(FirmwarePerformanceTablePtr, FirmwarePerformanceData + sizeof (FPDT_PEI_EXT_PERF_HEADER), (UINTN)(PeiPerformanceLogHeader->SizeOfAllEntries));
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GuidHob = GetNextGuidHob (&gEdkiiFpdtExtendedFirmwarePerformanceGuid, GET_NEXT_HOB (GuidHob));
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FirmwarePerformanceTablePtr += (UINTN)(PeiPerformanceLogHeader->SizeOfAllEntries);
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}
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//
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// Update Table length.
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//
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((BOOT_PERFORMANCE_TABLE *) BootPerformanceTable)->Header.Length = (UINT32)((UINTN)FirmwarePerformanceTablePtr - (UINTN)BootPerformanceTable);
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return EFI_SUCCESS;
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}
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/**
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Main entry for Firmware Performance Data Table PEIM.
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This routine is to register report status code listener for FPDT.
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@param[in] FileHandle Handle of the file being invoked.
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@param[in] PeiServices Pointer to PEI Services table.
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@retval EFI_SUCCESS Report status code listener is registered successfully.
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**/
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EFI_STATUS
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EFIAPI
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FirmwarePerformancePeiEntryPoint (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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EFI_PEI_RSC_HANDLER_PPI *RscHandler;
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if (FeaturePcdGet (PcdFirmwarePerformanceDataTableS3Support)) {
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//
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// S3 resume - register status code listener for OS wake vector.
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//
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Status = PeiServicesLocatePpi (
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&gEfiPeiRscHandlerPpiGuid,
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0,
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NULL,
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(VOID **) &RscHandler
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);
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ASSERT_EFI_ERROR(Status);
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Status = RscHandler->Register (FpdtStatusCodeListenerPei);
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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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