mirror of https://github.com/acidanthera/audk.git
105 lines
2.6 KiB
C
Executable File
105 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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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/MasterBootMode.h>
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#include <Ppi/BootInRecoveryMode.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/PcdLib.h>
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#include <Library/HobLib.h>
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#include <Library/PeiServicesLib.h>
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//
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// Module globals
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//
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EFI_STATUS
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EFIAPI
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InitializeMemory (
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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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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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{
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EFI_STATUS Status;
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EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
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UINT64 MemoryBase;
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UINT64 MemorySize;
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DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));
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// NOTE: this needs to come from your memory controller initization process
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MemoryBase = 0;
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MemorySize = 0x10000000;
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DEBUG ((EFI_D_ERROR, "Installing hardcoded 256MB\n"));
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Status = PeiServicesInstallPeiMemory (MemoryBase, MemorySize);
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ASSERT_EFI_ERROR (Status);
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Attributes =
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(
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EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_TESTED
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);
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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Attributes,
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MemoryBase,
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MemorySize
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);
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return Status;
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}
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