Pi firmware volume

pi_firmware_volume ¶

Module containing helper classes and functions for working with UEFI Fvs.

EfiFirmwareVolumeHeader ¶

An object representing an EFI_FIRMWARE_VOLUME_HEADER.

Can parse or produce an EFI_FIRMWARE_VOLUME_HEADER structure/byte buffer.

typedef struct {
    UINT8                     ZeroVector[16];
    EFI_GUID                  FileSystemGuid;
    UINT64                    FvLength;
    UINT32                    Signature;
    EFI_FVB_ATTRIBUTES_2      Attributes;
    UINT16                    HeaderLength;
    UINT16                    Checksum;
    UINT16                    ExtHeaderOffset;
    UINT8                     Reserved[1];
    UINT8                     Revision;
    EFI_FV_BLOCK_MAP_ENTRY    BlockMap[1];
} EFI_FIRMWARE_VOLUME_HEADER;

init ¶

__init__() -> EfiFirmwareVolumeHeader

Inits an empty object.

load_from_file ¶

load_from_file(file: IO) -> EfiFirmwareVolumeHeader

Loads data into the object from a filestream.

Parameters:

Name	Type	Description	Default
`file`	`obj`	An open file that has been seeked to the correct location.	required

Returns:

Type	Description
`EfiFirmwareVolumeHeader`	self

Raises:

Type	Description
`Exception`	Invalid signature in fs

serialize ¶

serialize() -> bytes

Serializes the object.

Returns:

Type	Description
`str`	string representing packed data as bytes (i.e. b'\x01\x00\x03')

EfiFirmwareVolumeExtHeader ¶

An object representing an EFI_FIRMWARE_VOLUME_EXT_HEADER.

Can parse or produce an EFI_FIRMWARE_VOLUME_EXT_HEADER structure/byte buffer.

typedef struct {
    EFI_GUID                  FileSystemGuid;
    UINT32                    ExtHeaderSize;
} EFI_FIRMWARE_VOLUME_EXT_HEADER;

init ¶

__init__() -> EfiFirmwareVolumeExtHeader

Inits an empty object.

load_from_file ¶

load_from_file(file: IO) -> EfiFirmwareVolumeExtHeader

Loads data into the object from a filestream.

Parameters:

Name	Type	Description	Default
`file`	`IO`	An open file that has been seeked to the correct location.	required

Returns:

Type	Description
`EfiFirmwareVolumeExtHeader`	self

Pi firmware volume