/** @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
+ Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r
+\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
**/\r
\r
#include <PiPei.h>\r
\r
+#include <Library/ArmMmuLib.h>\r
#include <Library/ArmPlatformLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
VOID\r
);\r
\r
+STATIC\r
VOID\r
InitMmu (\r
- VOID\r
+ IN ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable\r
)\r
{\r
- ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;\r
- VOID *TranslationTableBase;\r
- UINTN TranslationTableSize;\r
- RETURN_STATUS Status;\r
-\r
- // Get Virtual Memory Map from the Platform Library\r
- ArmPlatformGetVirtualMemoryMap (&MemoryTable);\r
+ VOID *TranslationTableBase;\r
+ UINTN TranslationTableSize;\r
+ RETURN_STATUS Status;\r
\r
- //Note: Because we called PeiServicesInstallPeiMemory() before to call InitMmu() the MMU Page Table resides in\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
Status = ArmConfigureMmu (MemoryTable, &TranslationTableBase, &TranslationTableSize);\r
if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "Error: Failed to enable MMU\n"));\r
+ DEBUG ((DEBUG_ERROR, "Error: Failed to enable MMU\n"));\r
}\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
MemoryPeim (\r
- IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,\r
- IN UINT64 UefiMemorySize\r
+ IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,\r
+ IN UINT64 UefiMemorySize\r
)\r
{\r
- EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes;\r
- UINT64 ResourceLength;\r
- EFI_PEI_HOB_POINTERS NextHob;\r
- EFI_PHYSICAL_ADDRESS FdTop;\r
- EFI_PHYSICAL_ADDRESS SystemMemoryTop;\r
- EFI_PHYSICAL_ADDRESS ResourceTop;\r
- BOOLEAN Found;\r
+ ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;\r
+ EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes;\r
+ UINT64 ResourceLength;\r
+ EFI_PEI_HOB_POINTERS NextHob;\r
+ EFI_PHYSICAL_ADDRESS FdTop;\r
+ EFI_PHYSICAL_ADDRESS SystemMemoryTop;\r
+ EFI_PHYSICAL_ADDRESS ResourceTop;\r
+ BOOLEAN Found;\r
+\r
+ // Get Virtual Memory Map from the Platform Library\r
+ ArmPlatformGetVirtualMemoryMap (&MemoryTable);\r
\r
// Ensure PcdSystemMemorySize has been set\r
- ASSERT (PcdGet32 (PcdSystemMemorySize) != 0);\r
+ ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);\r
\r
//\r
// Now, the permanent memory has been installed, we can call AllocatePages()\r
//\r
ResourceAttributes = (\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
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\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
- // Reserved the memory space occupied by the firmware volume\r
- BuildResourceDescriptorHob (\r
+ //\r
+ // Check if the resource for the main system memory has been declared\r
+ //\r
+ Found = FALSE;\r
+ NextHob.Raw = GetHobList ();\r
+ while ((NextHob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, NextHob.Raw)) != NULL) {\r
+ if ((NextHob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) &&\r
+ (PcdGet64 (PcdSystemMemoryBase) >= NextHob.ResourceDescriptor->PhysicalStart) &&\r
+ (NextHob.ResourceDescriptor->PhysicalStart + NextHob.ResourceDescriptor->ResourceLength <= PcdGet64 (PcdSystemMemoryBase) + PcdGet64 (PcdSystemMemorySize)))\r
+ {\r
+ Found = TRUE;\r
+ break;\r
+ }\r
+\r
+ NextHob.Raw = GET_NEXT_HOB (NextHob);\r
+ }\r
+\r
+ if (!Found) {\r
+ // Reserved the memory space occupied by the firmware volume\r
+ BuildResourceDescriptorHob (\r
EFI_RESOURCE_SYSTEM_MEMORY,\r
ResourceAttributes,\r
- PcdGet32 (PcdSystemMemoryBase),\r
- PcdGet32 (PcdSystemMemorySize)\r
- );\r
+ PcdGet64 (PcdSystemMemoryBase),\r
+ PcdGet64 (PcdSystemMemorySize)\r
+ );\r
+ }\r
\r
- SystemMemoryTop = (EFI_PHYSICAL_ADDRESS)PcdGet32 (PcdSystemMemoryBase) + (EFI_PHYSICAL_ADDRESS)PcdGet32 (PcdSystemMemorySize);\r
- FdTop = (EFI_PHYSICAL_ADDRESS)PcdGet32(PcdFdBaseAddress) + (EFI_PHYSICAL_ADDRESS)PcdGet32(PcdFdSize);\r
+ //\r
+ // Reserved the memory space occupied by the firmware volume\r
+ //\r
+\r
+ SystemMemoryTop = (EFI_PHYSICAL_ADDRESS)PcdGet64 (PcdSystemMemoryBase) + (EFI_PHYSICAL_ADDRESS)PcdGet64 (PcdSystemMemorySize);\r
+ FdTop = (EFI_PHYSICAL_ADDRESS)PcdGet64 (PcdFdBaseAddress) + (EFI_PHYSICAL_ADDRESS)PcdGet32 (PcdFdSize);\r
\r
// EDK2 does not have the concept of boot firmware copied into DRAM. To avoid the DXE\r
- // core to overwrite this area we must mark the region with the attribute non-present\r
- if ((PcdGet32 (PcdFdBaseAddress) >= PcdGet32 (PcdSystemMemoryBase)) && (FdTop <= SystemMemoryTop)) {\r
+ // core to overwrite this area we must create a memory allocation HOB for the region,\r
+ // but this only works if we split off the underlying resource descriptor as well.\r
+ if ((PcdGet64 (PcdFdBaseAddress) >= PcdGet64 (PcdSystemMemoryBase)) && (FdTop <= SystemMemoryTop)) {\r
Found = FALSE;\r
\r
// Search for System Memory Hob that contains the firmware\r
NextHob.Raw = GetHobList ();\r
while ((NextHob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, NextHob.Raw)) != NULL) {\r
if ((NextHob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) &&\r
- (PcdGet32(PcdFdBaseAddress) >= NextHob.ResourceDescriptor->PhysicalStart) &&\r
+ (PcdGet64 (PcdFdBaseAddress) >= NextHob.ResourceDescriptor->PhysicalStart) &&\r
(FdTop <= NextHob.ResourceDescriptor->PhysicalStart + NextHob.ResourceDescriptor->ResourceLength))\r
{\r
ResourceAttributes = NextHob.ResourceDescriptor->ResourceAttribute;\r
- ResourceLength = NextHob.ResourceDescriptor->ResourceLength;\r
- ResourceTop = NextHob.ResourceDescriptor->PhysicalStart + ResourceLength;\r
-\r
- if (PcdGet32(PcdFdBaseAddress) == NextHob.ResourceDescriptor->PhysicalStart) {\r
- if (SystemMemoryTop == FdTop) {\r
- NextHob.ResourceDescriptor->ResourceAttribute = ResourceAttributes & ~EFI_RESOURCE_ATTRIBUTE_PRESENT;\r
- } else {\r
- // Create the System Memory HOB for the firmware with the non-present attribute\r
- BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,\r
- ResourceAttributes & ~EFI_RESOURCE_ATTRIBUTE_PRESENT,\r
- PcdGet32(PcdFdBaseAddress),\r
- PcdGet32(PcdFdSize));\r
+ ResourceLength = NextHob.ResourceDescriptor->ResourceLength;\r
+ ResourceTop = NextHob.ResourceDescriptor->PhysicalStart + ResourceLength;\r
+\r
+ if (PcdGet64 (PcdFdBaseAddress) == NextHob.ResourceDescriptor->PhysicalStart) {\r
+ if (SystemMemoryTop != FdTop) {\r
+ // Create the System Memory HOB for the firmware\r
+ BuildResourceDescriptorHob (\r
+ EFI_RESOURCE_SYSTEM_MEMORY,\r
+ ResourceAttributes,\r
+ PcdGet64 (PcdFdBaseAddress),\r
+ PcdGet32 (PcdFdSize)\r
+ );\r
\r
// Top of the FD is system memory available for UEFI\r
- NextHob.ResourceDescriptor->PhysicalStart += PcdGet32(PcdFdSize);\r
- NextHob.ResourceDescriptor->ResourceLength -= PcdGet32(PcdFdSize);\r
+ NextHob.ResourceDescriptor->PhysicalStart += PcdGet32 (PcdFdSize);\r
+ NextHob.ResourceDescriptor->ResourceLength -= PcdGet32 (PcdFdSize);\r
}\r
} else {\r
- // Create the System Memory HOB for the firmware with the non-present attribute\r
- BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,\r
- ResourceAttributes & ~EFI_RESOURCE_ATTRIBUTE_PRESENT,\r
- PcdGet32(PcdFdBaseAddress),\r
- PcdGet32(PcdFdSize));\r
+ // Create the System Memory HOB for the firmware\r
+ BuildResourceDescriptorHob (\r
+ EFI_RESOURCE_SYSTEM_MEMORY,\r
+ ResourceAttributes,\r
+ PcdGet64 (PcdFdBaseAddress),\r
+ PcdGet32 (PcdFdSize)\r
+ );\r
\r
// Update the HOB\r
- NextHob.ResourceDescriptor->ResourceLength = PcdGet32(PcdFdBaseAddress) - NextHob.ResourceDescriptor->PhysicalStart;\r
+ NextHob.ResourceDescriptor->ResourceLength = PcdGet64 (PcdFdBaseAddress) - NextHob.ResourceDescriptor->PhysicalStart;\r
\r
// If there is some memory available on the top of the FD then create a HOB\r
if (FdTop < NextHob.ResourceDescriptor->PhysicalStart + ResourceLength) {\r
// Create the System Memory HOB for the remaining region (top of the FD)\r
- BuildResourceDescriptorHob (EFI_RESOURCE_SYSTEM_MEMORY,\r
- ResourceAttributes,\r
- FdTop,\r
- ResourceTop - FdTop);\r
+ BuildResourceDescriptorHob (\r
+ EFI_RESOURCE_SYSTEM_MEMORY,\r
+ ResourceAttributes,\r
+ FdTop,\r
+ ResourceTop - FdTop\r
+ );\r
}\r
}\r
+\r
+ // Mark the memory covering the Firmware Device as boot services data\r
+ BuildMemoryAllocationHob (\r
+ PcdGet64 (PcdFdBaseAddress),\r
+ PcdGet32 (PcdFdSize),\r
+ EfiBootServicesData\r
+ );\r
+\r
Found = TRUE;\r
break;\r
}\r
+\r
NextHob.Raw = GET_NEXT_HOB (NextHob);\r
}\r
\r
- ASSERT(Found);\r
+ ASSERT (Found);\r
}\r
\r
// Build Memory Allocation Hob\r
- InitMmu ();\r
+ InitMmu (MemoryTable);\r
\r
if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) {\r
// Optional feature that helps prevent EFI memory map fragmentation.\r
projects / mirror_edk2.git / blobdiff