+++ /dev/null
-/** @file\r
-*\r
-* Copyright (c) 2011, ARM Limited. All rights reserved.\r
-* \r
-* This program and the accompanying materials \r
-* are licensed and made available under the terms and conditions of the BSD License \r
-* which accompanies this distribution. The full text of the license may be found at \r
-* http://opensource.org/licenses/bsd-license.php \r
-*\r
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-*\r
-**/\r
-\r
-//\r
-// The package level header files this module uses\r
-//\r
-#include <PiPei.h>\r
-\r
-//\r
-// The protocols, PPI and GUID defintions for this module\r
-//\r
-#include <Ppi/MasterBootMode.h>\r
-#include <Ppi/BootInRecoveryMode.h>\r
-#include <Guid/MemoryTypeInformation.h>\r
-//\r
-// The Library classes this module consumes\r
-//\r
-#include <Library/DebugLib.h>\r
-#include <Library/PeimEntryPoint.h>\r
-#include <Library/PcdLib.h>\r
-#include <Library/HobLib.h>\r
-#include <Library/PeiServicesLib.h>\r
-#include <Library/ArmLib.h>\r
-#include <Library/IoLib.h>\r
-#include <Library/MemoryAllocationLib.h>\r
-#include <Library/ArmPlatformLib.h>\r
-\r
-VOID\r
-InitMmu (\r
- VOID\r
- )\r
-{\r
- ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;\r
- VOID *TranslationTableBase;\r
- UINTN TranslationTableSize;\r
-\r
- // Get Virtual Memory Map from the Platform Library\r
- ArmPlatformGetVirtualMemoryMap(&MemoryTable);\r
-\r
- //Note: Because we called PeiServicesInstallPeiMemory() before to call InitMmu() the MMU Page Table resides in\r
- // DRAM (even at the top of DRAM as it is the first permanent memory allocation)\r
- ArmConfigureMmu (MemoryTable, &TranslationTableBase, &TranslationTableSize);\r
-}\r
-\r
-// May want to put this into a library so you only need the PCD settings if you are using the feature?\r
-VOID\r
-BuildMemoryTypeInformationHob (\r
- VOID\r
- )\r
-{\r
- EFI_MEMORY_TYPE_INFORMATION Info[10];\r
-\r
- Info[0].Type = EfiACPIReclaimMemory;\r
- Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);\r
- Info[1].Type = EfiACPIMemoryNVS;\r
- Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);\r
- Info[2].Type = EfiReservedMemoryType;\r
- Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);\r
- Info[3].Type = EfiRuntimeServicesData;\r
- Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);\r
- Info[4].Type = EfiRuntimeServicesCode;\r
- Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);\r
- Info[5].Type = EfiBootServicesCode;\r
- Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);\r
- Info[6].Type = EfiBootServicesData;\r
- Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);\r
- Info[7].Type = EfiLoaderCode;\r
- Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);\r
- Info[8].Type = EfiLoaderData;\r
- Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData);\r
- \r
- // Terminator for the list\r
- Info[9].Type = EfiMaxMemoryType;\r
- Info[9].NumberOfPages = 0;\r
-\r
- BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));\r
-}\r
-/*++\r
-\r
-Routine Description:\r
-\r
- \r
-\r
-Arguments:\r
-\r
- FileHandle - Handle of the file being invoked.\r
- PeiServices - Describes the list of possible PEI Services.\r
- \r
-Returns:\r
-\r
- Status - EFI_SUCCESS if the boot mode could be set\r
-\r
---*/\r
-EFI_STATUS\r
-EFIAPI\r
-InitializeMemory (\r
- IN EFI_PEI_FILE_HANDLE FileHandle,\r
- IN CONST EFI_PEI_SERVICES **PeiServices\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r
- ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR* EfiMemoryMap;\r
- UINTN Index;\r
- UINTN SystemMemoryTop;\r
- UINTN UefiMemoryBase;\r
- UINTN UefiMemorySize;\r
-\r
- DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));\r
-\r
- // Ensure PcdSystemMemorySize has been set\r
- ASSERT (FixedPcdGet32 (PcdSystemMemorySize) != 0);\r
-\r
- SystemMemoryTop = (UINTN)FixedPcdGet32 (PcdSystemMemoryBase) + (UINTN)FixedPcdGet32 (PcdSystemMemorySize);\r
-\r
- //\r
- // Initialize the System Memory (DRAM)\r
- //\r
- if (FeaturePcdGet(PcdStandalone)) {\r
- // In case of a standalone version, the DRAM is already initialized\r
- ArmPlatformInitializeSystemMemory();\r
- }\r
-\r
- //\r
- // Declare the UEFI memory to PEI\r
- //\r
- if (FeaturePcdGet(PcdStandalone)) {\r
- // In case of standalone UEFI, we set the UEFI memory region at the top of the DRAM\r
- UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r
- } else {\r
- // In case of a non standalone UEFI, we set the UEFI memory below the Firmware Volume\r
- UefiMemoryBase = FixedPcdGet32 (PcdNormalFdBaseAddress) - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r
- }\r
- UefiMemorySize = FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r
- Status = PeiServicesInstallPeiMemory (UefiMemoryBase,UefiMemorySize);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Now, the permanent memory has been installed, we can call AllocatePages()\r
- //\r
- Attributes = (\r
- EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_TESTED\r
- );\r
-\r
- // If it is not a standalone build we must reserved the space above the base address of the firmware volume\r
- if (!FeaturePcdGet(PcdStandalone)) {\r
- // Check if firmware volume has not be copied at the top of DRAM then we must reserve the extra space\r
- // between the firmware and the top\r
- if (SystemMemoryTop != FixedPcdGet32 (PcdNormalFdBaseAddress) + FixedPcdGet32 (PcdNormalFdSize)) {\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- Attributes & (~EFI_RESOURCE_ATTRIBUTE_TESTED),\r
- FixedPcdGet32 (PcdNormalFdBaseAddress) + FixedPcdGet32 (PcdNormalFdSize),\r
- SystemMemoryTop - (FixedPcdGet32 (PcdNormalFdBaseAddress) + FixedPcdGet32 (PcdNormalFdSize))\r
- );\r
- }\r
-\r
- // Reserved the memory space occupied by the firmware volume\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- Attributes & (~EFI_RESOURCE_ATTRIBUTE_PRESENT),\r
- (UINT32)FixedPcdGet32 (PcdNormalFdBaseAddress),\r
- (UINT32)FixedPcdGet32 (PcdNormalFdSize)\r
- );\r
- }\r
-\r
- // Check there is no overlap between UEFI and Fix Address Regions\r
- ASSERT (FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize) <= UefiMemoryBase);\r
-\r
- // Reserved the UEFI Memory Region\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- Attributes,\r
- UefiMemoryBase,\r
- UefiMemorySize\r
- );\r
-\r
- // Reserved the Fix Address Region\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- Attributes,\r
- FixedPcdGet32 (PcdSystemMemoryBase),\r
- FixedPcdGet32 (PcdSystemMemoryFixRegionSize)\r
- );\r
-\r
- // Reserved the memory between UEFI and Fix Address regions\r
- if (FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize) != UefiMemoryBase) {\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- Attributes & (~EFI_RESOURCE_ATTRIBUTE_TESTED),\r
- FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize),\r
- UefiMemoryBase - (FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize))\r
- );\r
- }\r
-\r
- // If a platform has system memory extensions, it can declare those in this function\r
- Status = ArmPlatformGetAdditionalSystemMemory (&EfiMemoryMap);\r
- if (!EFI_ERROR(Status)) {\r
- // Install the EFI Memory Map\r
- for (Index = 0; EfiMemoryMap[Index].ResourceAttribute != 0; Index++) {\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- EfiMemoryMap[Index].ResourceAttribute,\r
- EfiMemoryMap[Index].PhysicalStart,\r
- EfiMemoryMap[Index].NumberOfBytes\r
- );\r
- }\r
- FreePool (EfiMemoryMap);\r
- }\r
-\r
- // Build Memory Allocation Hob\r
- InitMmu ();\r
-\r
- if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) {\r
- // Optional feature that helps prevent EFI memory map fragmentation.\r
- BuildMemoryTypeInformationHob ();\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
projects / mirror_edk2.git / blobdiff