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https://github.com/CloverHackyColor/CloverBootloader.git
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1013 lines
33 KiB
C
1013 lines
33 KiB
C
/** @file
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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HobGeneration.c
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Abstract:
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Revision History:
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**/
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#include "DxeIpl.h"
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#include "HobGeneration.h"
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#include "PpisNeededByDxeCore.h"
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#include "FlashLayout.h"
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//#include "Debug.h"
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#define EFI_CPUID_EXTENDED_FUNCTION 0x80000000
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#define CPUID_EXTENDED_ADD_SIZE 0x80000008
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HOB_TEMPLATE gHobTemplate = {
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{ // Phit
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{ // Header
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EFI_HOB_TYPE_HANDOFF, // HobType
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sizeof (EFI_HOB_HANDOFF_INFO_TABLE), // HobLength
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0 // Reserved
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},
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EFI_HOB_HANDOFF_TABLE_VERSION, // Version
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BOOT_WITH_FULL_CONFIGURATION, // BootMode
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0, // EfiMemoryTop
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0, // EfiMemoryBottom
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0, // EfiFreeMemoryTop
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0, // EfiFreeMemoryBottom
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0 // EfiEndOfHobList
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},
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{ // Bfv
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{
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EFI_HOB_TYPE_FV, // HobType
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sizeof (EFI_HOB_FIRMWARE_VOLUME), // HobLength
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0 // Reserved
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},
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0, // BaseAddress
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0 // Length
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},
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{ // BfvResource
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute
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0, // PhysicalStart
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0 // ResourceLength
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},
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{ // Cpu
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{ // Header
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EFI_HOB_TYPE_CPU, // HobType
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sizeof (EFI_HOB_CPU), // HobLength
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0 // Reserved
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},
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52, // SizeOfMemorySpace - Architecture Max
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16, // SizeOfIoSpace,
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{
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0, 0, 0, 0, 0, 0 // Reserved[6]
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}
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},
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{ // Stack HOB
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{ // header
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EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type
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sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK), // Hob size
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0 // reserved
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},
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{
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EFI_HOB_MEMORY_ALLOC_STACK_GUID,
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0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
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0x0, // UINT64 MemoryLength;
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EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType;
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{0, 0, 0, 0} // Reserved Reserved[4];
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}
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},
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{ // MemoryAllocation for HOB's & Images
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{
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EFI_HOB_TYPE_MEMORY_ALLOCATION, // HobType
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sizeof (EFI_HOB_MEMORY_ALLOCATION), // HobLength
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0 // Reserved
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},
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{
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{
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0, //EFI_HOB_MEMORY_ALLOC_MODULE_GUID // Name
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},
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0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
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0x0, // UINT64 MemoryLength;
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EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType;
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{
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0, 0, 0, 0 // Reserved Reserved[4];
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}
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}
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},
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{ // MemoryFreeUnder1MB for unused memory that DXE core will claim
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
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0x0, // PhysicalStart
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0 // ResourceLength
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},
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{ // MemoryFreeAbove1MB for unused memory that DXE core will claim
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
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0x0, // PhysicalStart
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0 // ResourceLength
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},
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{ // MemoryFreeAbove4GB for unused memory that DXE core will claim
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
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0x0, // PhysicalStart
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0 // ResourceLength
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},
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{ // Memory Allocation Module for DxeCore
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{ // header
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EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type
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sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE), // Hob size
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0 // reserved
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},
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{
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EFI_HOB_MEMORY_ALLOC_MODULE_GUID,
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0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
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0x0, // UINT64 MemoryLength;
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EfiBootServicesCode, // EFI_MEMORY_TYPE MemoryType;
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{
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0, 0, 0, 0 // UINT8 Reserved[4];
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},
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},
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DXE_CORE_FILE_NAME_GUID,
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0x0 // EFI_PHYSICAL_ADDRESS of EntryPoint;
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},
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{ // MemoryDxeCore
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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// EFI_RESOURCE_ATTRIBUTE_TESTED | // Do not mark as TESTED, or DxeCore will find it and use it before check Allocation
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE),
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0x0, // PhysicalStart
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0 // ResourceLength
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},
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{ // Memory Map Hints to reduce fragmentation in the memory map
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (MEMORY_TYPE_INFORMATION_HOB), // Hob size
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0, // reserved
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},
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EFI_MEMORY_TYPE_INFORMATION_GUID
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},
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{
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{
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EfiACPIReclaimMemory,
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0x80
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}, // 0x80 pages = 512k for ASL
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{
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EfiACPIMemoryNVS,
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0x100
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}, // 0x100 pages = 1024k for S3, SMM, etc
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{
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EfiReservedMemoryType,
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0x04
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}, // 16k for BIOS Reserved
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{
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EfiRuntimeServicesData,
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0x100
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},
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{
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EfiRuntimeServicesCode,
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0x100
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},
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{
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EfiBootServicesCode,
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0x200
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},
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{
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EfiBootServicesData,
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0x200
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},
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{
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EfiLoaderCode,
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0x100
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},
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{
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EfiLoaderData,
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0x100
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},
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{
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EfiMaxMemoryType,
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0
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}
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}
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},
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{ // Pointer to ACPI Table
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (TABLE_HOB), // Hob size
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0 // reserved
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},
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EFI_ACPI_TABLE_GUID
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},
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0
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},
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{ // Pointer to ACPI20 Table
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (TABLE_HOB), // Hob size
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0 // reserved
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},
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EFI_ACPI_20_TABLE_GUID
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},
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0
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},
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{ // Pointer to SMBIOS Table
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (TABLE_HOB), // Hob size
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0 // reserved
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},
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SMBIOS_TABLE_GUID
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},
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0
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},
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{ // Pointer to MPS Table
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (TABLE_HOB), // Hob size
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0, // reserved
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},
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EFI_MPS_TABLE_GUID
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},
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0
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},
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/**
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{ // Pointer to FlushInstructionCache
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PROTOCOL_HOB), // Hob size
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0, // reserved
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}
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EFI_PEI_FLUSH_INSTRUCTION_CACHE_GUID,
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NULL
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},
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{ // Pointer to TransferControl
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PROTOCOL_HOB), // Hob size
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0, // reserved
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}
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EFI_PEI_TRANSFER_CONTROL_GUID,
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NULL
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},
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{ // Pointer to PeCoffLoader
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PROTOCOL_HOB), // Hob size
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0, // reserved
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}
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EFI_PEI_PE_COFF_LOADER_GUID,
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NULL
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},
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{ // Pointer to EfiDecompress
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PROTOCOL_HOB), // Hob size
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0, // reserved
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}
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EFI_DECOMPRESS_PROTOCOL_GUID,
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NULL
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},
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{ // Pointer to TianoDecompress
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PROTOCOL_HOB), // Hob size
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0, // reserved
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}
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EFI_TIANO_DECOMPRESS_PROTOCOL_GUID,
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NULL
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},
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**/
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{ // Pointer to ReportStatusCode
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PROTOCOL_HOB), // Hob size
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0 // reserved
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},
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EFI_STATUS_CODE_RUNTIME_PROTOCOL_GUID
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},
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0
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},
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{ // EFILDR Memory Descriptor
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (MEMORY_DESC_HOB), // Hob size
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0 // reserved
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},
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LDR_MEMORY_DESCRIPTOR_GUID
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},
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0,
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NULL
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},
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{ // Pci Express Base Address Hob
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (PCI_EXPRESS_BASE_HOB), // Hob size
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0 // reserved
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},
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EFI_PCI_EXPRESS_BASE_ADDRESS_GUID
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},
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{
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0,
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0,
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0,
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}
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},
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{ // Acpi Description Hob
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (ACPI_DESCRIPTION_HOB), // Hob size
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0 // reserved
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},
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EFI_ACPI_DESCRIPTION_GUID
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},
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{
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{
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0,
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},
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}
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},
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{ // NV Storage FV Resource
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute
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0, // PhysicalStart (Fixed later)
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NV_STORAGE_FVB_SIZE // ResourceLength
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},
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{ // FVB holding NV Storage
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (FVB_HOB),
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0
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},
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EFI_FLASH_MAP_HOB_GUID
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},
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{
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{0, 0, 0}, // Reserved[3]
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EFI_FLASH_AREA_GUID_DEFINED, // AreaType
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EFI_SYSTEM_NV_DATA_FV_GUID , // AreaTypeGuid
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1,
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{
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{
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EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
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0, // SubAreaData.Reserved
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0, // SubAreaData.Base (Fixed later)
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NV_STORAGE_FVB_SIZE, // SubAreaData.Length
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
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}
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},
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0, // VolumeSignature (Fixed later)
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NV_STORAGE_FILE_PATH, // Mapped file without padding
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// TotalFVBSize = FileSize + PaddingSize = multiple of BLOCK_SIZE
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NV_STORAGE_SIZE + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,
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// ActuralSize
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EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH
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}
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},
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{ // NV Storage Hob
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (FVB_HOB), // Hob size
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0 // reserved
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},
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EFI_FLASH_MAP_HOB_GUID
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},
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{
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{0, 0, 0}, // Reserved[3]
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EFI_FLASH_AREA_EFI_VARIABLES, // AreaType
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{ 0 }, // AreaTypeGuid
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1,
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{
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{
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EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
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0, // SubAreaData.Reserved
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0, // SubAreaData.Base (Fixed later)
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NV_STORAGE_SIZE, // SubAreaData.Length
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
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}
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},
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0,
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NV_STORAGE_FILE_PATH,
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NV_STORAGE_SIZE,
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0
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}
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},
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{ // NV Ftw FV Resource
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{
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EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType
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sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength
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0 // Reserved
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},
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{
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0 // Owner Guid
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},
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EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType
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(EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_TESTED |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute
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0, // PhysicalStart (Fixed later)
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NV_FTW_FVB_SIZE // ResourceLength
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},
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{ // FVB holding FTW spaces including Working & Spare space
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{
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{
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EFI_HOB_TYPE_GUID_EXTENSION, // Hob type
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sizeof (FVB_HOB),
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0
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},
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EFI_FLASH_MAP_HOB_GUID
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},
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{
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{0, 0, 0}, // Reserved[3]
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EFI_FLASH_AREA_GUID_DEFINED, // AreaType
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EFI_SYSTEM_NV_DATA_FV_GUID, // AreaTypeGuid
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1,
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{
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{
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EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes
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0, // SubAreaData.Reserved
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0, // SubAreaData.Base (Fixed later)
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NV_FTW_FVB_SIZE, // SubAreaData.Length
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem
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}
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},
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0,
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L"", // Empty String indicates using memory
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0,
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0
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}
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},
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{ // NV Ftw working Hob
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{
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{
|
|
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.
|
|
//
|
|
|
|
// Allocate memory only up to EBDA (EBDA boundry speicifed at EFI_MEMORY_BELOW_1MB_END is not universal!)
|
|
// Bottom of EBDA is usually available by examining 0x40E, which should contain EBDA base address >> 4
|
|
// If value is not sane, we use default value at EFI_MEMORY_BELOW_1MB_END (0x9F800)
|
|
|
|
EbdaAddress = LShiftU64((UINT64)(*(UINT16 *)(UINTN)(0x40E)), 4);
|
|
if (EbdaAddress < 0x90000 || EbdaAddress > EFI_MEMORY_BELOW_1MB_END) {
|
|
EbdaAddress = 0x9A000;
|
|
}
|
|
|
|
gHob->MemoryFreeUnder1MB.ResourceLength = EbdaAddress - EFI_MEMORY_BELOW_1MB_START;
|
|
//gHob->MemoryFreeUnder1MB.ResourceLength = EFI_MEMORY_BELOW_1MB_END - 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;
|
|
}
|
|
}
|
|
|