mirror of https://github.com/acidanthera/audk.git
139 lines
3.7 KiB
C
Executable File
139 lines
3.7 KiB
C
Executable File
/** @file
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*
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* Copyright (c) 2011, ARM Limited. All rights reserved.
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*
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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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*
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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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**/
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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/ArmGlobalVariable.h>
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#include <Ppi/MasterBootMode.h>
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#include <Ppi/BootInRecoveryMode.h>
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#include <Ppi/GuidedSectionExtraction.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/ArmPlatformLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/HobLib.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 <Guid/ArmGlobalVariableHob.h>
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EFI_STATUS
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EFIAPI
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InitializePlatformPeim (
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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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EFI_STATUS
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EFIAPI
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PlatformPeim (
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VOID
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);
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//
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// Module globals
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//
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EFI_PEI_PPI_DESCRIPTOR mPpiListBootMode = {
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEfiPeiMasterBootModePpiGuid,
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NULL
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};
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EFI_PEI_PPI_DESCRIPTOR mPpiListRecoveryBootMode = {
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEfiPeiBootInRecoveryModePpiGuid,
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NULL
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};
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VOID
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EFIAPI
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BuildGlobalVariableHob (
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IN EFI_PHYSICAL_ADDRESS GlobalVariableBase,
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IN UINT32 GlobalVariableSize
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)
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{
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EFI_STATUS Status;
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ARM_HOB_GLOBAL_VARIABLE *Hob;
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Status = PeiServicesCreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof (ARM_HOB_GLOBAL_VARIABLE), (VOID**)&Hob);
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if (!EFI_ERROR(Status)) {
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CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid);
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Hob->GlobalVariableBase = GlobalVariableBase;
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Hob->GlobalVariableSize = GlobalVariableSize;
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}
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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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EFI_STATUS
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EFIAPI
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InitializePlatformPeim (
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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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UINTN BootMode;
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ARM_GLOBAL_VARIABLE_PPI *ArmGlobalVariablePpi;
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EFI_PHYSICAL_ADDRESS GlobalVariableBase;
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DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));
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PlatformPeim ();
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Status = PeiServicesLocatePpi (&gArmGlobalVariablePpiGuid, 0, NULL, (VOID**)&ArmGlobalVariablePpi);
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if (!EFI_ERROR(Status)) {
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Status = ArmGlobalVariablePpi->GetGlobalVariableMemory (&GlobalVariableBase);
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if (!EFI_ERROR(Status)) {
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// Declare the Global Variable HOB
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BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32 (PcdPeiGlobalVariableSize));
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}
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}
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BootMode = ArmPlatformGetBootMode ();
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Status = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);
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ASSERT_EFI_ERROR (Status);
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Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);
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ASSERT_EFI_ERROR (Status);
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if (BootMode == BOOT_IN_RECOVERY_MODE) {
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Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);
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ASSERT_EFI_ERROR (Status);
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}
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return Status;
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}
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