\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
{\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
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
);\r
}\r
\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 ((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
- (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 (PcdGet64 (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
- PcdGet64 (PcdFdBaseAddress),\r
- PcdGet32 (PcdFdSize));\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
- }\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
- PcdGet64 (PcdFdBaseAddress),\r
- PcdGet32 (PcdFdSize));\r
-\r
- // Update the HOB\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
- }\r
- }\r
- Found = TRUE;\r
- break;\r
- }\r
- NextHob.Raw = GET_NEXT_HOB (NextHob);\r
- }\r
-\r
- ASSERT(Found);\r
- }\r
-\r
// Build Memory Allocation Hob\r
InitMmu (MemoryTable);\r
\r