mirror of https://github.com/acidanthera/audk.git
92 lines
2.6 KiB
C
Executable File
92 lines
2.6 KiB
C
Executable File
/**@file
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Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2011 Hewlett Packard Corporation. All rights reserved.<BR>
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Copyright (c) 2011-2013, ARM Limited. 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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Module Name:
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MemoryInit.c
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Abstract:
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PEIM to provide fake memory init
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**/
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//
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// The package level header files this module uses
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//
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#include <PiPei.h>
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//
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// The protocols, PPI and GUID defintions for this module
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//
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#include <Ppi/ArmMpCoreInfo.h>
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//
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// The Library classes this module consumes
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//
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#include <Library/DebugLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PcdLib.h>
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#include <Library/HobLib.h>
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#include <Library/ArmLib.h>
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/*++
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Routine Description:
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Arguments:
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FileHandle - Handle of the file being invoked.
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PeiServices - Describes the list of possible PEI Services.
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Returns:
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Status - EFI_SUCCESS if the boot mode could be set
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--*/
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EFI_STATUS
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EFIAPI
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InitializeCpuPeim (
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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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ARM_MP_CORE_INFO_PPI *ArmMpCoreInfoPpi;
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UINTN ArmCoreCount;
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ARM_CORE_INFO *ArmCoreInfoTable;
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// Enable program flow prediction, if supported.
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ArmEnableBranchPrediction ();
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// Publish the CPU memory and io spaces sizes
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BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
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// Only MP Core platform need to produce gArmMpCoreInfoPpiGuid
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Status = PeiServicesLocatePpi (&gArmMpCoreInfoPpiGuid, 0, NULL, (VOID**)&ArmMpCoreInfoPpi);
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if (!EFI_ERROR(Status)) {
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// Build the MP Core Info Table
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ArmCoreCount = 0;
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Status = ArmMpCoreInfoPpi->GetMpCoreInfo (&ArmCoreCount, &ArmCoreInfoTable);
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if (!EFI_ERROR(Status) && (ArmCoreCount > 0)) {
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// Build MPCore Info HOB
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BuildGuidDataHob (&gArmMpCoreInfoGuid, ArmCoreInfoTable, sizeof (ARM_CORE_INFO) * ArmCoreCount);
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}
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}
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return EFI_SUCCESS;
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}
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