4b0eeef313
Cc: Michael Kinney <michael.d.kinney@intel.com> Cc: Feng Tian <feng.tian@intel.com> Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Michael Kinney <michael.d.kinney@intel.com>
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/** @file
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CPU PEI Module installs CPU Multiple Processor PPI.
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Copyright (c) 2015 - 2016, 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 "CpuMpPei.h"
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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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EFI_VECTOR_HANDOFF_INFO *VectorInfo;
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EFI_PEI_VECTOR_HANDOFF_INFO_PPI *VectorHandoffInfoPpi;
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//
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// Get Vector Hand-off Info PPI
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//
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VectorInfo = NULL;
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Status = PeiServicesLocatePpi (
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&gEfiVectorHandoffInfoPpiGuid,
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0,
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NULL,
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(VOID **)&VectorHandoffInfoPpi
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);
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if (Status == EFI_SUCCESS) {
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VectorInfo = VectorHandoffInfoPpi->Info;
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}
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Status = InitializeCpuExceptionHandlers (VectorInfo);
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ASSERT_EFI_ERROR (Status);
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//
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// Wakeup APs to do initialization
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//
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Status = MpInitLibInitialize ();
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ASSERT_EFI_ERROR (Status);
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//
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// Update and publish CPU BIST information
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//
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CollectBistDataFromPpi (PeiServices);
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//
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// Install CPU MP PPI
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//
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Status = PeiServicesInstallPpi(&mPeiCpuMpPpiDesc);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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