mirror of https://github.com/acidanthera/audk.git
120 lines
3.4 KiB
C
120 lines
3.4 KiB
C
/** @file
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Provides cache info for each package, core type, cache level and cache type.
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Copyright (c) 2020 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 <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PeiServicesTablePointerLib.h>
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#include <Library/CpuCacheInfoLib.h>
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#include <InternalCpuCacheInfoLib.h>
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/**
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Get EDKII_PEI_MP_SERVICES2_PPI pointer.
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@param[out] MpServices A pointer to the buffer where EDKII_PEI_MP_SERVICES2_PPI is stored
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@retval EFI_SUCCESS EDKII_PEI_MP_SERVICES2_PPI interface is returned
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@retval EFI_NOT_FOUND EDKII_PEI_MP_SERVICES2_PPI interface is not found
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**/
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EFI_STATUS
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CpuCacheInfoGetMpServices (
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OUT MP_SERVICES *MpServices
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)
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{
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EFI_STATUS Status;
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Status = PeiServicesLocatePpi (&gEdkiiPeiMpServices2PpiGuid, 0, NULL, (VOID **)&MpServices->Ppi);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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/**
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Activate all of the logical processors.
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@param[in] MpServices MP_SERVICES structure.
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@param[in] Procedure A pointer to the function to be run on enabled logical processors.
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@param[in] ProcedureArgument The parameter passed into Procedure for all enabled logical processors.
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**/
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VOID
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CpuCacheInfoStartupAllCPUs (
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IN MP_SERVICES MpServices,
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IN EFI_AP_PROCEDURE Procedure,
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IN VOID *ProcedureArgument
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)
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{
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EFI_STATUS Status;
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Status = MpServices.Ppi->StartupAllCPUs (MpServices.Ppi, Procedure, 0, ProcedureArgument);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Get detailed information of the requested logical processor.
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@param[in] MpServices MP_SERVICES structure.
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@param[in] ProcessorNum The requested logical processor number.
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@param[out] ProcessorInfo A pointer to the buffer where the processor information is stored
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**/
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VOID
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CpuCacheInfoGetProcessorInfo (
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IN MP_SERVICES MpServices,
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IN UINTN ProcessorNum,
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OUT EFI_PROCESSOR_INFORMATION *ProcessorInfo
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)
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{
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EFI_STATUS Status;
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Status = MpServices.Ppi->GetProcessorInfo (MpServices.Ppi, ProcessorNum, ProcessorInfo);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Get the logical processor number.
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@param[in] MpServices MP_SERVICES structure.
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@retval Return the logical processor number.
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**/
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UINT32
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CpuCacheInfoWhoAmI (
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IN MP_SERVICES MpServices
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)
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{
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EFI_STATUS Status;
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UINTN ProcessorNum;
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Status = MpServices.Ppi->WhoAmI (MpServices.Ppi, &ProcessorNum);
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ASSERT_EFI_ERROR (Status);
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return (UINT32)ProcessorNum;
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}
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/**
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Get the total number of logical processors in the platform.
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@param[in] MpServices MP_SERVICES structure.
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@retval Return the total number of logical processors.
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**/
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UINT32
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CpuCacheInfoGetNumberOfProcessors (
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IN MP_SERVICES MpServices
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)
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{
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EFI_STATUS Status;
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UINTN NumberOfProcessor;
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UINTN NumberOfEnabledProcessor;
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Status = MpServices.Ppi->GetNumberOfProcessors (MpServices.Ppi, &NumberOfProcessor, &NumberOfEnabledProcessor);
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ASSERT_EFI_ERROR (Status);
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return (UINT32)NumberOfProcessor;
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}
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