84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/**@file
|
|
|
|
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
|
|
Copyright (c) 2011 Hewlett Packard Corporation. All rights reserved.<BR>
|
|
Copyright (c) 2011-2013, ARM Limited. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
Module Name:
|
|
|
|
MemoryInit.c
|
|
|
|
Abstract:
|
|
|
|
PEIM to provide fake memory init
|
|
|
|
**/
|
|
|
|
//
|
|
// The package level header files this module uses
|
|
//
|
|
#include <PiPei.h>
|
|
//
|
|
// The protocols, PPI and GUID definitions for this module
|
|
//
|
|
#include <Ppi/ArmMpCoreInfo.h>
|
|
|
|
//
|
|
// The Library classes this module consumes
|
|
//
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/PeimEntryPoint.h>
|
|
#include <Library/PeiServicesLib.h>
|
|
#include <Library/PcdLib.h>
|
|
#include <Library/HobLib.h>
|
|
#include <Library/ArmLib.h>
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Arguments:
|
|
|
|
FileHandle - Handle of the file being invoked.
|
|
PeiServices - Describes the list of possible PEI Services.
|
|
|
|
Returns:
|
|
|
|
Status - EFI_SUCCESS if the boot mode could be set
|
|
|
|
--*/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
InitializeCpuPeim (
|
|
IN EFI_PEI_FILE_HANDLE FileHandle,
|
|
IN CONST EFI_PEI_SERVICES **PeiServices
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
ARM_MP_CORE_INFO_PPI *ArmMpCoreInfoPpi;
|
|
UINTN ArmCoreCount;
|
|
ARM_CORE_INFO *ArmCoreInfoTable;
|
|
|
|
// Enable program flow prediction, if supported.
|
|
ArmEnableBranchPrediction ();
|
|
|
|
// Publish the CPU memory and io spaces sizes
|
|
BuildCpuHob (ArmGetPhysicalAddressBits (), PcdGet8 (PcdPrePiCpuIoSize));
|
|
|
|
// Only MP Core platform need to produce gArmMpCoreInfoPpiGuid
|
|
Status = PeiServicesLocatePpi (&gArmMpCoreInfoPpiGuid, 0, NULL, (VOID **)&ArmMpCoreInfoPpi);
|
|
if (!EFI_ERROR (Status)) {
|
|
// Build the MP Core Info Table
|
|
ArmCoreCount = 0;
|
|
Status = ArmMpCoreInfoPpi->GetMpCoreInfo (&ArmCoreCount, &ArmCoreInfoTable);
|
|
if (!EFI_ERROR (Status) && (ArmCoreCount > 0)) {
|
|
// Build MPCore Info HOB
|
|
BuildGuidDataHob (&gArmMpCoreInfoGuid, ArmCoreInfoTable, sizeof (ARM_CORE_INFO) * ArmCoreCount);
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|