/// All HOBs must contain this generic HOB header.\r
/// \r
typedef struct {\r
+ ///\r
+ /// Identifies the HOB data structure type.\r
+ ///\r
UINT16 HobType;\r
+ ///\r
+ /// The length in bytes of the HOB.\r
+ ///\r
UINT16 HobLength;\r
+ ///\r
+ /// This field must always be set to zero.\r
+ ///\r
UINT32 Reserved;\r
} EFI_HOB_GENERIC_HEADER;\r
\r
/// This HOB must be the first one in the HOB list.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_HANDOFF.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// The version number pertaining to the PHIT HOB definition.\r
+ /// This value is 4 bytes in length to provide an 8-byte aligned entry \r
+ /// when it is combined with the 4-byte BootMode.\r
+ ///\r
UINT32 Version;\r
+ ///\r
+ /// The system boot mode as determined during the HOB producer phase.\r
+ ///\r
EFI_BOOT_MODE BootMode;\r
+ ///\r
+ /// The highest address location of memory that is allocated for use by the HOB producer\r
+ /// phase. This address must be 4-KB aligned to meet page restrictions of UEFI.\r
+ ///\r
EFI_PHYSICAL_ADDRESS EfiMemoryTop;\r
+ ///\r
+ /// The lowest address location of memory that is allocated for use by the HOB producer phase.\r
+ ///\r
EFI_PHYSICAL_ADDRESS EfiMemoryBottom;\r
+ ///\r
+ /// The highest address location of free memory that is currently available \r
+ /// for use by the HOB producer phase.\r
+ ///\r
EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop;\r
+ ///\r
+ /// The lowest address location of free memory that is available for use by the HOB producer phase.\r
+ ///\r
EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom;\r
+ ///\r
+ /// The end of the HOB list.\r
+ ///\r
EFI_PHYSICAL_ADDRESS EfiEndOfHobList;\r
} EFI_HOB_HANDOFF_INFO_TABLE;\r
\r
///\r
/// Describes all memory ranges used during the HOB producer \r
/// phase that exist outside the HOB list. This HOB type \r
-/// describes how memory is used, \r
-/// not the physical attributes of memory.\r
-/// \r
+/// describes how memory is used, not the physical attributes of memory.\r
+///\r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the\r
+ /// various attributes of the logical memory allocation.\r
+ ///\r
EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;\r
//\r
// Additional data pertaining to the "Name" Guid memory\r
/// content in the HOB producer phase is executing.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the\r
+ /// various attributes of the logical memory allocation.\r
+ ///\r
EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;\r
} EFI_HOB_MEMORY_ALLOCATION_STACK;\r
\r
/// register overflow store.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the\r
+ /// various attributes of the logical memory allocation.\r
+ ///\r
EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;\r
} EFI_HOB_MEMORY_ALLOCATION_BSP_STORE;\r
\r
/// Defines the location and entry point of the HOB consumer phase.\r
///\r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the\r
+ /// various attributes of the logical memory allocation.\r
+ ///\r
EFI_HOB_MEMORY_ALLOCATION_HEADER MemoryAllocationHeader;\r
+ ///\r
+ /// The GUID specifying the values of the firmware file system name \r
+ /// that contains the HOB consumer phase component.\r
+ ///\r
EFI_GUID ModuleName;\r
+ ///\r
+ /// The address of the memory-mapped firmware volume \r
+ /// that contains the HOB consumer phase firmware file.\r
+ ///\r
EFI_PHYSICAL_ADDRESS EntryPoint;\r
} EFI_HOB_MEMORY_ALLOCATION_MODULE;\r
\r
/// host bus during the HOB producer phase.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_RESOURCE_DESCRIPTOR.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// A GUID representing the owner of the resource. This GUID is used by HOB\r
+ /// consumer phase components to correlate device ownership of a resource.\r
+ ///\r
EFI_GUID Owner;\r
+ ///\r
+ /// Resource type enumeration as defined by EFI_RESOURCE_TYPE.\r
+ ///\r
EFI_RESOURCE_TYPE ResourceType;\r
+ ///\r
+ /// Resource attributes as defined by EFI_RESOURCE_ATTRIBUTE_TYPE.\r
+ ///\r
EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;\r
+ ///\r
+ /// Physical start address of the resource region. \r
+ ///\r
EFI_PHYSICAL_ADDRESS PhysicalStart;\r
+ ///\r
+ /// Number of bytes of the resource region.\r
+ ///\r
UINT64 ResourceLength;\r
} EFI_HOB_RESOURCE_DESCRIPTOR;\r
\r
/// maintain and manage HOBs with specific GUID.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_GUID_EXTENSION.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
- EFI_GUID Name;\r
-\r
///\r
- /// Guid specific data goes here\r
+ /// A GUID that defines the contents of this HOB.\r
///\r
+ EFI_GUID Name;\r
+ //\r
+ // Guid specific data goes here\r
+ //\r
} EFI_HOB_GUID_TYPE;\r
\r
///\r
/// Details the location of firmware volumes that contain firmware files.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// The physical memory-mapped base address of the firmware volume.\r
+ ///\r
EFI_PHYSICAL_ADDRESS BaseAddress;\r
+ ///\r
+ /// The length in bytes of the firmware volume.\r
+ ///\r
UINT64 Length;\r
} EFI_HOB_FIRMWARE_VOLUME;\r
\r
/// from a file within another firmware volume.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV2.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// The physical memory-mapped base address of the firmware volume.\r
+ ///\r
EFI_PHYSICAL_ADDRESS BaseAddress;\r
+ ///\r
+ /// The length in bytes of the firmware volume.\r
+ ///\r
UINT64 Length;\r
+ ///\r
+ /// The name of the firmware volume.\r
+ ///\r
EFI_GUID FvName;\r
+ ///\r
+ /// The name of the firmware file which contained this firmware volume.\r
+ ///\r
EFI_GUID FileName;\r
} EFI_HOB_FIRMWARE_VOLUME2;\r
\r
/// Describes processor information, such as address space and I/O space capabilities.\r
///\r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_CPU.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
+ ///\r
+ /// Identifies the maximum physical memory addressability of the processor.\r
+ ///\r
UINT8 SizeOfMemorySpace;\r
+ ///\r
+ /// Identifies the maximum physical I/O addressability of the processor.\r
+ ///\r
UINT8 SizeOfIoSpace;\r
+ ///\r
+ /// This field will always be set to zero.\r
+ ///\r
UINT8 Reserved[6];\r
} EFI_HOB_CPU;\r
\r
/// Describes pool memory allocations.\r
/// \r
typedef struct {\r
+ ///\r
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_POOL.\r
+ ///\r
EFI_HOB_GENERIC_HEADER Header;\r
} EFI_HOB_MEMORY_POOL;\r
\r