mirror of https://github.com/acidanthera/audk.git
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
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/** @file
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CPU PEI Module installs CPU Multiple Processor PPI.
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Copyright (c) 2015 - 2022, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2025, Loongson Technology Corporation Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "CpuMpPei.h"
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EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiList[] = {
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{
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EFI_PEI_PPI_DESCRIPTOR_PPI,
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&gEdkiiPeiMpServices2PpiGuid,
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&mMpServices2Ppi
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},
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{
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEfiPeiMpServicesPpiGuid,
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&mMpServicesPpi
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}
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};
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/**
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Initializes MP and exceptions handlers.
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@param PeiServices The pointer to the PEI Services Table.
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@retval EFI_SUCCESS MP was successfully initialized.
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@retval others Error occurred in MP initialization.
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**/
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EFI_STATUS
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InitializeCpuMpWorker (
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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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Status = MpInitLibInitialize ();
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Install CPU MP PPI
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//
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Status = PeiServicesInstallPpi (mPeiCpuMpPpiList);
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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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The Entry point of the MP CPU PEIM.
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This function will wakeup APs and collect CPU AP count and install the
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Mp Service Ppi.
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@param FileHandle Handle of the file being invoked.
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@param PeiServices Describes the list of possible PEI Services.
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@retval EFI_SUCCESS MpServicePpi is installed successfully.
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**/
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EFI_STATUS
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EFIAPI
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CpuMpPeimInit (
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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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Status = InitializeCpuMpWorker ((CONST EFI_PEI_SERVICES **)PeiServices);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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