hobgeneration.c

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/*++

Copyright (c) 2006, Intel Corporation                                                         
All rights reserved. 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 "HobGeneration.h"
#include "PpisNeededByDxeCore.h"

#define EFI_DXE_FILE_GUID \
  { 0xb1644c1a, 0xc16a, 0x4c5b, 0x88, 0xde, 0xea, 0xfb, 0xa9, 0x7e, 0x74, 0xd8 }

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_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
  },
  {   // 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]; 
      },
    },
    EFI_DXE_FILE_GUID,
    0x0                                             //  EFI_PHYSICAL_ADDRESS of EntryPoint;
  },
  { // 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
    EFI_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,