diff options
Diffstat (limited to 'DuetPkg/DxeIpl/HobGeneration.c')
| -rw-r--r-- | DuetPkg/DxeIpl/HobGeneration.c | 1000 |
1 files changed, 0 insertions, 1000 deletions
diff --git a/DuetPkg/DxeIpl/HobGeneration.c b/DuetPkg/DxeIpl/HobGeneration.c deleted file mode 100644 index fac74b08fd..0000000000 --- a/DuetPkg/DxeIpl/HobGeneration.c +++ /dev/null @@ -1,1000 +0,0 @@ -/** @file
-
-Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
-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.
-
-Module Name:
- HobGeneration.c
-
-Abstract:
-
-Revision History:
-
-**/
-#include "DxeIpl.h"
-#include "HobGeneration.h"
-#include "PpisNeededByDxeCore.h"
-#include "FlashLayout.h"
-#include "Debug.h"
-
-#define EFI_CPUID_EXTENDED_FUNCTION 0x80000000
-#define CPUID_EXTENDED_ADD_SIZE 0x80000008
-#define EBDA_VALUE_ADDRESS 0x40E
-
-HOB_TEMPLATE gHobTemplate = {
- { // Phit
- { // Header
- EFI_HOB_TYPE_HANDOFF, // HobType
- sizeof (EFI_HOB_HANDOFF_INFO_TABLE), // HobLength
- 0 // Reserved
- },
- EFI_HOB_HANDOFF_TABLE_VERSION, // Version
- BOOT_WITH_FULL_CONFIGURATION, // BootMode
- 0, // EfiMemoryTop
- 0, // EfiMemoryBottom
- 0, // EfiFreeMemoryTop
- 0, // EfiFreeMemoryBottom
- 0 // EfiEndOfHobList
- },
- { // Bfv
- {
- EFI_HOB_TYPE_FV, // HobType
- sizeof (EFI_HOB_FIRMWARE_VOLUME), // HobLength
- 0 // Reserved
- },
- 0, // BaseAddress
- 0 // Length
- },
- { // BfvResource
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_TESTED |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute
- 0, // PhysicalStart
- 0 // ResourceLength
- },
- { // Cpu
- { // Header
- EFI_HOB_TYPE_CPU, // HobType
- sizeof (EFI_HOB_CPU), // HobLength
- 0 // Reserved
- },
- 52, // SizeOfMemorySpace - Architecture Max
- 16, // SizeOfIoSpace,
- {
- 0, 0, 0, 0, 0, 0 // Reserved[6]
- }
- },
- { // Stack HOB
- { // header
- EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type
- sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK), // Hob size
- 0 // reserved
- },
- {
- EFI_HOB_MEMORY_ALLOC_STACK_GUID,
- 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
- 0x0, // UINT64 MemoryLength;
- EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType;
- {0, 0, 0, 0} // Reserved Reserved[4];
- }
- },
- { // MemoryAllocation for HOB's & Images
- {
- EFI_HOB_TYPE_MEMORY_ALLOCATION, // HobType
- sizeof (EFI_HOB_MEMORY_ALLOCATION), // HobLength
- 0 // Reserved
- },
- {
- {
- 0, //EFI_HOB_MEMORY_ALLOC_MODULE_GUID // Name
- },
- 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
- 0x0, // UINT64 MemoryLength;
- EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType;
- {
- 0, 0, 0, 0 // Reserved Reserved[4];
- }
- }
- },
- { // MemoryFreeUnder1MB for unused memory that DXE core will claim
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
- EFI_RESOURCE_ATTRIBUTE_TESTED |
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
- 0x0, // PhysicalStart
- 0 // ResourceLength
- },
- { // MemoryFreeAbove1MB for unused memory that DXE core will claim
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
- EFI_RESOURCE_ATTRIBUTE_TESTED |
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
- 0x0, // PhysicalStart
- 0 // ResourceLength
- },
- { // MemoryFreeAbove4GB for unused memory that DXE core will claim
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
- 0x0, // PhysicalStart
- 0 // ResourceLength
- },
- { // Memory Allocation Module for DxeCore
- { // header
- EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type
- sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE), // Hob size
- 0 // reserved
- },
- {
- EFI_HOB_MEMORY_ALLOC_MODULE_GUID,
- 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
- 0x0, // UINT64 MemoryLength;
- EfiBootServicesCode, // EFI_MEMORY_TYPE MemoryType;
- {
- 0, 0, 0, 0 // UINT8 Reserved[4];
- },
- },
- DXE_CORE_FILE_NAME_GUID,
- 0x0 // EFI_PHYSICAL_ADDRESS of EntryPoint;
- },
- { // MemoryDxeCore
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
-// EFI_RESOURCE_ATTRIBUTE_TESTED | // Do not mark as TESTED, or DxeCore will find it and use it before check Allocation
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
- 0x0, // PhysicalStart
- 0 // ResourceLength
- },
- { // Memory Map Hints to reduce fragmentation in the memory map
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (MEMORY_TYPE_INFORMATION_HOB), // Hob size
- 0, // reserved
- },
- EFI_MEMORY_TYPE_INFORMATION_GUID
- },
- {
- {
- EfiACPIReclaimMemory,
- 0x80
- }, // 0x80 pages = 512k for ASL
- {
- EfiACPIMemoryNVS,
- 0x100
- }, // 0x100 pages = 1024k for S3, SMM, etc
- {
- EfiReservedMemoryType,
- 0x04
- }, // 16k for BIOS Reserved
- {
- EfiRuntimeServicesData,
- 0x100
- },
- {
- EfiRuntimeServicesCode,
- 0x100
- },
- {
- EfiBootServicesCode,
- 0x200
- },
- {
- EfiBootServicesData,
- 0x200
- },
- {
- EfiLoaderCode,
- 0x100
- },
- {
- EfiLoaderData,
- 0x100
- },
- {
- EfiMaxMemoryType,
- 0
- }
- }
- },
- { // Pointer to ACPI Table
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (TABLE_HOB), // Hob size
- 0 // reserved
- },
- EFI_ACPI_TABLE_GUID
- },
- 0
- },
- { // Pointer to ACPI20 Table
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (TABLE_HOB), // Hob size
- 0 // reserved
- },
- EFI_ACPI_20_TABLE_GUID
- },
- 0
- },
- { // Pointer to SMBIOS Table
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (TABLE_HOB), // Hob size
- 0 // reserved
- },
- SMBIOS_TABLE_GUID
- },
- 0
- },
- { // Pointer to MPS Table
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (TABLE_HOB), // Hob size
- 0, // reserved
- },
- EFI_MPS_TABLE_GUID
- },
- 0
- },
- /**
- { // Pointer to FlushInstructionCache
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PROTOCOL_HOB), // Hob size
- 0, // reserved
- EFI_PEI_FLUSH_INSTRUCTION_CACHE_GUID,
- NULL
- },
- { // Pointer to TransferControl
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PROTOCOL_HOB), // Hob size
- 0, // reserved
- EFI_PEI_TRANSFER_CONTROL_GUID,
- NULL
- },
- { // Pointer to PeCoffLoader
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PROTOCOL_HOB), // Hob size
- 0, // reserved
- EFI_PEI_PE_COFF_LOADER_GUID,
- NULL
- },
- { // Pointer to EfiDecompress
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PROTOCOL_HOB), // Hob size
- 0, // reserved
- EFI_DECOMPRESS_PROTOCOL_GUID,
- NULL
- },
- { // Pointer to TianoDecompress
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PROTOCOL_HOB), // Hob size
- 0, // reserved
- EFI_TIANO_DECOMPRESS_PROTOCOL_GUID,
- NULL
- },
- **/
- { // Pointer to ReportStatusCode
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PROTOCOL_HOB), // Hob size
- 0 // reserved
- },
- EFI_STATUS_CODE_RUNTIME_PROTOCOL_GUID
- },
- 0
- },
- { // EFILDR Memory Descriptor
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (MEMORY_DESC_HOB), // Hob size
- 0 // reserved
- },
- LDR_MEMORY_DESCRIPTOR_GUID
- },
- 0,
- NULL
- },
- { // Pci Express Base Address Hob
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (PCI_EXPRESS_BASE_HOB), // Hob size
- 0 // reserved
- },
- EFI_PCI_EXPRESS_BASE_ADDRESS_GUID
- },
- {
- 0,
- 0,
- 0,
- }
- },
- { // Acpi Description Hob
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (ACPI_DESCRIPTION_HOB), // Hob size
- 0 // reserved
- },
- EFI_ACPI_DESCRIPTION_GUID
- },
- {
- {
- 0,
- },
- }
- },
- { // NV Storage FV Resource
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_TESTED |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute
- 0, // PhysicalStart (Fixed later)
- NV_STORAGE_FVB_SIZE // ResourceLength
- },
- { // FVB holding NV Storage
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (FVB_HOB),
- 0
- },
- EFI_FLASH_MAP_HOB_GUID
- },
- {
- {0, 0, 0}, // Reserved[3]
- EFI_FLASH_AREA_GUID_DEFINED, // AreaType
- EFI_SYSTEM_NV_DATA_FV_GUID , // AreaTypeGuid
- 1,
- {
- {
- EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
- 0, // SubAreaData.Reserved
- 0, // SubAreaData.Base (Fixed later)
- NV_STORAGE_FVB_SIZE, // SubAreaData.Length
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
- }
- },
- 0, // VolumeSignature (Fixed later)
- NV_STORAGE_FILE_PATH, // Mapped file without padding
- // TotalFVBSize = FileSize + PaddingSize = multiple of BLOCK_SIZE
- NV_STORAGE_SIZE + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,
- // ActuralSize
- EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH
- }
- },
- { // NV Storage Hob
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (FVB_HOB), // Hob size
- 0 // reserved
- },
- EFI_FLASH_MAP_HOB_GUID
- },
- {
- {0, 0, 0}, // Reserved[3]
- EFI_FLASH_AREA_EFI_VARIABLES, // AreaType
- { 0 }, // AreaTypeGuid
- 1,
- {
- {
- EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
- 0, // SubAreaData.Reserved
- 0, // SubAreaData.Base (Fixed later)
- NV_STORAGE_SIZE, // SubAreaData.Length
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
- }
- },
- 0,
- NV_STORAGE_FILE_PATH,
- NV_STORAGE_SIZE,
- 0
- }
- },
- { // NV Ftw FV Resource
- {
- EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
- sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
- 0 // Reserved
- },
- {
- 0 // Owner Guid
- },
- EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType
- (EFI_RESOURCE_ATTRIBUTE_PRESENT |
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
- EFI_RESOURCE_ATTRIBUTE_TESTED |
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute
- 0, // PhysicalStart (Fixed later)
- NV_FTW_FVB_SIZE // ResourceLength
- },
- { // FVB holding FTW spaces including Working & Spare space
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (FVB_HOB),
- 0
- },
- EFI_FLASH_MAP_HOB_GUID
- },
- {
- {0, 0, 0}, // Reserved[3]
- EFI_FLASH_AREA_GUID_DEFINED, // AreaType
- EFI_SYSTEM_NV_DATA_FV_GUID, // AreaTypeGuid
- 1,
- {
- {
- EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
- 0, // SubAreaData.Reserved
- 0, // SubAreaData.Base (Fixed later)
- NV_FTW_FVB_SIZE, // SubAreaData.Length
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
- }
- },
- 0,
- L"", // Empty String indicates using memory
- 0,
- 0
- }
- },
- { // NV Ftw working Hob
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (FVB_HOB), // Hob size
- 0 // reserved
- },
- EFI_FLASH_MAP_HOB_GUID
- },
- {
- {0, 0, 0}, // Reserved[3]
- EFI_FLASH_AREA_FTW_STATE, // AreaType
- { 0 }, // AreaTypeGuid
- 1,
- {
- {
- EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
- 0, // SubAreaData.Reserved
- 0, // SubAreaData.Base (Fixed later)
- NV_FTW_WORKING_SIZE, // SubAreaData.Length
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
- }
- },
- 0, // VolumeSignature
- L"",
- 0,
- 0
- }
- },
- { // NV Ftw spare Hob
- {
- {
- EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
- sizeof (FVB_HOB), // Hob size
- 0 // reserved
- },
- EFI_FLASH_MAP_HOB_GUID
- },
- {
- {0, 0, 0}, // Reserved[3]
- EFI_FLASH_AREA_FTW_BACKUP, // AreaType
- { 0 }, // AreaTypeGuid
- 1,
- {
- {
- EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
- 0, // SubAreaData.Reserved
- 0, // SubAreaData.Base (Fixed later)
- NV_FTW_SPARE_SIZE, // SubAreaData.Length
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
- }
- },
- 0,
- L"",
- 0,
- 0
- }
- },
- { // EndOfHobList
- EFI_HOB_TYPE_END_OF_HOB_LIST, // HobType
- sizeof (EFI_HOB_GENERIC_HEADER), // HobLength
- 0 // Reserved
- }
-};
-
-HOB_TEMPLATE *gHob = &gHobTemplate;
-
-VOID *
-PrepareHobMemory (
- IN UINTN NumberOfMemoryMapEntries,
- IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor
- )
-/*++
-Description:
- Update the Hob filling MemoryFreeUnder1MB, MemoryAbove1MB, MemoryAbove4GB
-
-Arguments:
- NumberOfMemoryMapEntries - Count of Memory Descriptors
- EfiMemoryDescriptor - Point to the buffer containing NumberOfMemoryMapEntries Memory Descriptors
-
-Return:
- VOID * : The end address of MemoryAbove1MB (or the top free memory under 4GB)
---*/
-{
- UINTN Index;
- UINT64 EbdaAddress;
-
- //
- // Prepare Low Memory
- // 0x18 pages is 72 KB.
- //
- EbdaAddress = ((UINT64)(*(UINT16 *)(UINTN)(EBDA_VALUE_ADDRESS))) << 4;
- if (EbdaAddress < 0x9A000 || EbdaAddress > EFI_MEMORY_BELOW_1MB_END) {
- //
- // EBDA should not go below 0x9A000 in any implementation,
- // so add check here to make sure EBDA_VALUE_ADDRESS has a valid value.
- //
- EbdaAddress = EFI_MEMORY_BELOW_1MB_END;
- }
- gHob->MemoryFreeUnder1MB.ResourceLength = EbdaAddress - EFI_MEMORY_BELOW_1MB_START;
- gHob->MemoryFreeUnder1MB.PhysicalStart = EFI_MEMORY_BELOW_1MB_START;
-
- //
- // Prepare High Memory
- // Assume Memory Map is ordered from low to high
- //
- gHob->MemoryAbove1MB.PhysicalStart = 0;
- gHob->MemoryAbove1MB.ResourceLength = 0;
- gHob->MemoryAbove4GB.PhysicalStart = 0;
- gHob->MemoryAbove4GB.ResourceLength = 0;
-
- for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {
- //
- // Skip regions below 1MB
- //
- if (EfiMemoryDescriptor[Index].PhysicalStart < 0x100000) {
- continue;
- }
- //
- // Process regions above 1MB
- //
- if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000) {
- if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {
- if (gHob->MemoryAbove1MB.PhysicalStart == 0) {
- gHob->MemoryAbove1MB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;
- gHob->MemoryAbove1MB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);
- } else if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength == EfiMemoryDescriptor[Index].PhysicalStart) {
- gHob->MemoryAbove1MB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);
- }
- }
- if ((EfiMemoryDescriptor[Index].Type == EfiReservedMemoryType) ||
- (EfiMemoryDescriptor[Index].Type >= EfiACPIReclaimMemory) ) {
- continue;
- }
- if ((EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesCode) ||
- (EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesData)) {
- break;
- }
- }
- //
- // Process region above 4GB
- //
- if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000000LL) {
- if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {
- if (gHob->MemoryAbove4GB.PhysicalStart == 0) {
- gHob->MemoryAbove4GB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;
- gHob->MemoryAbove4GB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);
- }
- if (gHob->MemoryAbove4GB.PhysicalStart + gHob->MemoryAbove4GB.ResourceLength ==
- EfiMemoryDescriptor[Index].PhysicalStart) {
- gHob->MemoryAbove4GB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);
- }
- }
- }
- }
-
- if (gHob->MemoryAbove4GB.ResourceLength == 0) {
- //
- // If there is no memory above 4GB then change the resource descriptor HOB
- // into another type. I'm doing this as it's unclear if a resource
- // descriptor HOB of length zero is valid. Spec does not say it's illegal,
- // but code in EDK does not seem to handle this case.
- //
- gHob->MemoryAbove4GB.Header.HobType = EFI_HOB_TYPE_UNUSED;
- }
-
- return (VOID *)(UINTN)(gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength);
-}
-
-VOID *
-PrepareHobStack (
- IN VOID *StackTop
- )
-{
- gHob->Stack.AllocDescriptor.MemoryLength = EFI_MEMORY_STACK_PAGE_NUM * EFI_PAGE_SIZE;
- gHob->Stack.AllocDescriptor.MemoryBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)StackTop - gHob->Stack.AllocDescriptor.MemoryLength;
-
- return (VOID *)(UINTN)gHob->Stack.AllocDescriptor.MemoryBaseAddress;
-}
-
-VOID *
-PrepareHobMemoryDescriptor (
- VOID *MemoryDescriptorTop,
- UINTN MemDescCount,
- EFI_MEMORY_DESCRIPTOR *MemDesc
- )
-{
- gHob->MemoryDescriptor.MemDescCount = MemDescCount;
- gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryDescriptorTop - MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));
- //
- // Make MemoryDescriptor.MemDesc page aligned
- //
- gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN) gHob->MemoryDescriptor.MemDesc & ~EFI_PAGE_MASK);
-
- CopyMem (gHob->MemoryDescriptor.MemDesc, MemDesc, MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));
-
- return gHob->MemoryDescriptor.MemDesc;
-}
-
-VOID
-PrepareHobBfv (
- VOID *Bfv,
- UINTN BfvLength
- )
-{
- //UINTN BfvLengthPageSize;
-
- //
- // Calculate BFV location at top of the memory region.
- // This is like a RAM Disk. Align to page boundry.
- //
- //BfvLengthPageSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (BfvLength));
-
- gHob->Bfv.BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Bfv;
- gHob->Bfv.Length = BfvLength;
-
- //
- // Resource descriptor for the FV
- //
- gHob->BfvResource.PhysicalStart = gHob->Bfv.BaseAddress;
- gHob->BfvResource.ResourceLength = gHob->Bfv.Length;
-}
-
-VOID
-PrepareHobDxeCore (
- VOID *DxeCoreEntryPoint,
- EFI_PHYSICAL_ADDRESS DxeCoreImageBase,
- UINT64 DxeCoreLength
- )
-{
- gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress = DxeCoreImageBase;
- gHob->DxeCore.MemoryAllocationHeader.MemoryLength = DxeCoreLength;
- gHob->DxeCore.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)DxeCoreEntryPoint;
-
-
- gHob->MemoryDxeCore.PhysicalStart = DxeCoreImageBase;
- gHob->MemoryDxeCore.ResourceLength = DxeCoreLength;
-}
-
-VOID *
-PrepareHobNvStorage (
- VOID *NvStorageTop
- )
-/*
- Initialize Block-Aligned Firmware Block.
-
- Variable:
- +-------------------+
- | FV_Header |
- +-------------------+
- | |
- |VAR_STORAGE(0x4000)|
- | |
- +-------------------+
- FTW:
- +-------------------+
- | FV_Header |
- +-------------------+
- | |
- | Working(0x2000) |
- | |
- +-------------------+
- | |
- | Spare(0x10000) |
- | |
- +-------------------+
-*/
-{
- STATIC VARIABLE_STORE_HEADER VarStoreHeader = {
- VARIABLE_STORE_SIGNATURE,
- 0xffffffff, // will be fixed in Variable driver
- VARIABLE_STORE_FORMATTED,
- VARIABLE_STORE_HEALTHY,
- 0,
- 0
- };
-
- STATIC EFI_FIRMWARE_VOLUME_HEADER NvStorageFvbHeader = {
- {
- 0,
- }, // ZeroVector[16]
- EFI_SYSTEM_NV_DATA_FV_GUID,
- NV_STORAGE_FVB_SIZE,
- EFI_FVH_SIGNATURE,
- EFI_FVB_READ_ENABLED_CAP |
- EFI_FVB_READ_STATUS |
- EFI_FVB_WRITE_ENABLED_CAP |
- EFI_FVB_WRITE_STATUS |
- EFI_FVB_ERASE_POLARITY,
- EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,
- 0, // CheckSum
- 0, // ExtHeaderOffset
- {
- 0,
- }, // Reserved[1]
- 1, // Revision
- {
- {
- NV_STORAGE_FVB_BLOCK_NUM,
- FV_BLOCK_SIZE,
- }
- }
- };
-
- STATIC EFI_FV_BLOCK_MAP_ENTRY BlockMapEntryEnd = {0, 0};
-
- EFI_PHYSICAL_ADDRESS StorageFvbBase;
- EFI_PHYSICAL_ADDRESS FtwFvbBase;
-
- UINT16 *Ptr;
- UINT16 Checksum;
-
-
- //
- // Use first 16-byte Reset Vector of FVB to store extra information
- // UINT32 Offset 0 stores the volume signature
- // UINT8 Offset 4 : should init the Variable Store Header if non-zero
- //
- gHob->NvStorageFvb.FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);
- gHob->NvStorage. FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);
-
- //
- // *(NV_STORAGE_STATE + 4):
- // 2 - Size error
- // 1 - File not exist
- // 0 - File exist with correct size
- //
- if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) == 2) {
- ClearScreen ();
- PrintString ("Error: Size of Efivar.bin should be 16k!\n");
- CpuDeadLoop();
- }
-
- if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) != 0) {
- //
- // Efivar.bin doesn't exist
- // 1. Init variable storage header to valid header
- //
- CopyMem (
- (VOID *) (UINTN) NV_STORAGE_START,
- &VarStoreHeader,
- sizeof (VARIABLE_STORE_HEADER)
- );
- //
- // 2. set all bits in variable storage body to 1
- //
- SetMem (
- (VOID *) (UINTN) (NV_STORAGE_START + sizeof (VARIABLE_STORE_HEADER)),
- NV_STORAGE_SIZE - sizeof (VARIABLE_STORE_HEADER),
- 0xff
- );
- }
-
- //
- // Relocate variable storage
- //
- // 1. Init FVB Header to valid header: First 0x48 bytes
- // In real platform, these fields are fixed by tools
- //
- //
- Checksum = 0;
- for (
- Ptr = (UINT16 *) &NvStorageFvbHeader;
- Ptr < (UINT16 *) ((UINTN) (UINT8 *) &NvStorageFvbHeader + sizeof (EFI_FIRMWARE_VOLUME_HEADER));
- ++Ptr
- ) {
- Checksum = (UINT16) (Checksum + (*Ptr));
- }
- NvStorageFvbHeader.Checksum = (UINT16) (0x10000 - Checksum);
- StorageFvbBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)NvStorageTop - NV_STORAGE_FVB_SIZE - NV_FTW_FVB_SIZE) & ~EFI_PAGE_MASK);
- CopyMem ((VOID *) (UINTN) StorageFvbBase, &NvStorageFvbHeader, sizeof (EFI_FIRMWARE_VOLUME_HEADER));
- CopyMem (
- (VOID *) (UINTN) (StorageFvbBase + sizeof (EFI_FIRMWARE_VOLUME_HEADER)),
- &BlockMapEntryEnd,
- sizeof (EFI_FV_BLOCK_MAP_ENTRY)
- );
-
- //
- // 2. Relocate variable data
- //
- CopyMem (
- (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH),
- (VOID *) (UINTN) NV_STORAGE_START,
- NV_STORAGE_SIZE
- );
-
- //
- // 3. Set the remaining memory to 0xff
- //
- SetMem (
- (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_STORAGE_SIZE),
- NV_STORAGE_FVB_SIZE - NV_STORAGE_SIZE - EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,
- 0xff
- );
-
- //
- // Create the FVB holding NV Storage in memory
- //
- gHob->NvStorageFvResource.PhysicalStart =
- gHob->NvStorageFvb.FvbInfo.Entries[0].Base = StorageFvbBase;
- //
- // Create the NV Storage Hob
- //
- gHob->NvStorage.FvbInfo.Entries[0].Base = StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;
-
- //
- // Create the FVB holding FTW spaces
- //
- FtwFvbBase = (EFI_PHYSICAL_ADDRESS)((UINTN) StorageFvbBase + NV_STORAGE_FVB_SIZE);
- gHob->NvFtwFvResource.PhysicalStart =
- gHob->NvFtwFvb.FvbInfo.Entries[0].Base = FtwFvbBase;
- //
- // Put FTW Working in front
- //
- gHob->NvFtwWorking.FvbInfo.Entries[0].Base = FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;
-
- //
- // Put FTW Spare area after FTW Working area
- //
- gHob->NvFtwSpare.FvbInfo.Entries[0].Base =
- (EFI_PHYSICAL_ADDRESS)((UINTN) FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_FTW_WORKING_SIZE);
-
- return (VOID *)(UINTN)StorageFvbBase;
-}
-
-VOID
-PrepareHobPhit (
- VOID *MemoryTop,
- VOID *FreeMemoryTop
- )
-{
- gHob->Phit.EfiMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryTop;
- gHob->Phit.EfiMemoryBottom = gHob->Phit.EfiMemoryTop - CONSUMED_MEMORY;
- gHob->Phit.EfiFreeMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)FreeMemoryTop;
- gHob->Phit.EfiFreeMemoryBottom = gHob->Phit.EfiMemoryBottom + sizeof(HOB_TEMPLATE);
-
- CopyMem ((VOID *)(UINTN)gHob->Phit.EfiMemoryBottom, gHob, sizeof(HOB_TEMPLATE));
- gHob = (HOB_TEMPLATE *)(UINTN)gHob->Phit.EfiMemoryBottom;
-
- gHob->Phit.EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)&gHob->EndOfHobList;
-}
-
-VOID
-PrepareHobCpu (
- VOID
- )
-{
- UINT32 CpuidEax;
-
- //
- // Create a CPU hand-off information
- //
- gHob->Cpu.SizeOfMemorySpace = 36;
-
- AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &CpuidEax, NULL, NULL, NULL);
- if (CpuidEax >= CPUID_EXTENDED_ADD_SIZE) {
- AsmCpuid (CPUID_EXTENDED_ADD_SIZE, &CpuidEax, NULL, NULL, NULL);
- gHob->Cpu.SizeOfMemorySpace = (UINT8)(CpuidEax & 0xFF);
- }
-}
-
-VOID
-CompleteHobGeneration (
- VOID
- )
-{
- gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress = gHob->Phit.EfiFreeMemoryTop;
- //
- // Reserve all the memory under Stack above FreeMemoryTop as allocated
- //
- gHob->MemoryAllocation.AllocDescriptor.MemoryLength = gHob->Stack.AllocDescriptor.MemoryBaseAddress - gHob->Phit.EfiFreeMemoryTop;
-
- //
- // adjust Above1MB ResourceLength
- //
- if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength > gHob->Phit.EfiMemoryTop) {
- gHob->MemoryAbove1MB.ResourceLength = gHob->Phit.EfiMemoryTop - gHob->MemoryAbove1MB.PhysicalStart;
- }
-}
-
|