diff options
| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-01 11:41:53 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-01 11:41:53 +0000 |
| commit | 3a6eaccf2f20b6fac1cdc6f82f041e78eb962e94 (patch) | |
| tree | d91aa6e7d161b2e7ebf910fe16133911620605ab /ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c | |
| parent | cd872e401a057c7accfe1342c5b9d4c8f7f127c6 (diff) | |
ArmPlatformPkg/MemoryInitPei: Generate a library from the PEI Module
In the aim to reuse the memory init features in a PrePi module (use to
skip the PEI Core), this module has been divided into two files:
- MemoryInitPeiLib: declare the memory HOBs
- MemoryIniPeim: PEIM warpper for the library
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11950 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c')
| -rwxr-xr-x | ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c new file mode 100755 index 0000000000..3a26c35998 --- /dev/null +++ b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c @@ -0,0 +1,138 @@ +/** @file
+*
+* Copyright (c) 2011, ARM Limited. All rights reserved.
+*
+* This program and the accompanying materials
+* are licensed and made available under the terms and conditions of the BSD License
+* which accompanies this distribution. The full text of the license may be found at
+* http://opensource.org/licenses/bsd-license.php
+*
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#include <PiPei.h>
+
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Ppi/MasterBootMode.h>
+#include <Ppi/BootInRecoveryMode.h>
+#include <Guid/MemoryTypeInformation.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/ArmPlatformLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PcdLib.h>
+
+EFI_STATUS
+EFIAPI
+MemoryPeim (
+ IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,
+ IN UINT64 UefiMemorySize
+ );
+
+// May want to put this into a library so you only need the PCD settings if you are using the feature?
+VOID
+BuildMemoryTypeInformationHob (
+ VOID
+ )
+{
+ EFI_MEMORY_TYPE_INFORMATION Info[10];
+
+ Info[0].Type = EfiACPIReclaimMemory;
+ Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);
+ Info[1].Type = EfiACPIMemoryNVS;
+ Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);
+ Info[2].Type = EfiReservedMemoryType;
+ Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);
+ Info[3].Type = EfiRuntimeServicesData;
+ Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);
+ Info[4].Type = EfiRuntimeServicesCode;
+ Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);
+ Info[5].Type = EfiBootServicesCode;
+ Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);
+ Info[6].Type = EfiBootServicesData;
+ Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);
+ Info[7].Type = EfiLoaderCode;
+ Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);
+ Info[8].Type = EfiLoaderData;
+ Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData);
+
+ // Terminator for the list
+ Info[9].Type = EfiMaxMemoryType;
+ Info[9].NumberOfPages = 0;
+
+ BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));
+}
+
+/*++
+
+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
+InitializeMemory (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
+ ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR* EfiMemoryMap;
+ UINTN Index;
+ UINTN SystemMemoryTop;
+ UINTN UefiMemoryBase;
+ UINTN UefiMemorySize;
+
+ DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));
+
+ // Ensure PcdSystemMemorySize has been set
+ ASSERT (FixedPcdGet32 (PcdSystemMemorySize) != 0);
+
+ SystemMemoryTop = (UINTN)FixedPcdGet32 (PcdSystemMemoryBase) + (UINTN)FixedPcdGet32 (PcdSystemMemorySize);
+
+ //
+ // Initialize the System Memory (DRAM)
+ //
+ if (FeaturePcdGet(PcdStandalone)) {
+ // In case of a standalone version, the DRAM is already initialized
+ ArmPlatformInitializeSystemMemory();
+ }
+
+ //
+ // Declare the UEFI memory to PEI
+ //
+ if (FeaturePcdGet(PcdStandalone)) {
+ // In case of standalone UEFI, we set the UEFI memory region at the top of the DRAM
+ UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
+ } else {
+ // In case of a non standalone UEFI, we set the UEFI memory below the Firmware Volume
+ UefiMemoryBase = FixedPcdGet32 (PcdNormalFdBaseAddress) - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
+ }
+ Status = PeiServicesInstallPeiMemory (UefiMemoryBase,FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
+ ASSERT_EFI_ERROR (Status);
+
+ // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
+ Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
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