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The FMMT python tool is used for firmware files operation, which has the Fv/FFs-based 'View'&'Add'&'Delete'&'Replace' operation function: 1.Parse a FD(Firmware Device) / FV(Firmware Volume) / FFS(Firmware Files) 2.Add a new FFS into a FV file (both included in a FD file or not) 3.Replace an FFS in a FV file with a new FFS file 4.Delete an FFS in a FV file (both included in a FD file or not) 5.Extract the FFS from a FV file (both included in a FD file or not) This version of FMMT Python tool does not support PEIM rebase feature, this feature will be added in future update. Currently the FMMT C tool is saved in edk2-staging repo, but its quality and coding style can't meet the Edk2 quality, which is hard to maintain (Hard/Duplicate Code; Regression bugs; Restrict usage). The new Python version keeps same functions with origin C version. It has higher quality and better coding style, and it is much easier to extend new functions and to maintain. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1847 RFC Link: https://edk2.groups.io/g/devel/message/82877 Staging Link: https://github.com/tianocore/edk2-staging/tree/PyFMMT Cc: Bob Feng <bob.c.feng@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Signed-off-by: Yuwei Chen <yuwei.chen@intel.com> Reviewed-by: Bob Feng <bob.c.feng@intel.com> Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
## @file
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# This file is used to define the FV Header C Struct.
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#
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# Copyright (c) 2021-, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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##
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from ast import Str
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from struct import *
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from ctypes import *
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from FirmwareStorageFormat.Common import *
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class EFI_FV_BLOCK_MAP_ENTRY(Structure):
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_pack_ = 1
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_fields_ = [
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('NumBlocks', c_uint32),
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('Length', c_uint32),
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]
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class EFI_FIRMWARE_VOLUME_HEADER(Structure):
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_fields_ = [
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('ZeroVector', ARRAY(c_uint8, 16)),
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('FileSystemGuid', GUID),
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('FvLength', c_uint64),
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('Signature', c_uint32),
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('Attributes', c_uint32),
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('HeaderLength', c_uint16),
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('Checksum', c_uint16),
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('ExtHeaderOffset', c_uint16),
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('Reserved', c_uint8),
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('Revision', c_uint8),
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('BlockMap', ARRAY(EFI_FV_BLOCK_MAP_ENTRY, 1)),
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]
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def Refine_FV_Header(nums):
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class EFI_FIRMWARE_VOLUME_HEADER(Structure):
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_fields_ = [
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('ZeroVector', ARRAY(c_uint8, 16)),
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('FileSystemGuid', GUID),
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('FvLength', c_uint64),
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('Signature', c_uint32),
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('Attributes', c_uint32),
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('HeaderLength', c_uint16),
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('Checksum', c_uint16),
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('ExtHeaderOffset', c_uint16),
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('Reserved', c_uint8),
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('Revision', c_uint8),
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('BlockMap', ARRAY(EFI_FV_BLOCK_MAP_ENTRY, nums)),
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]
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return EFI_FIRMWARE_VOLUME_HEADER
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class EFI_FIRMWARE_VOLUME_EXT_HEADER(Structure):
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_fields_ = [
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('FvName', GUID),
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('ExtHeaderSize', c_uint32)
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]
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY(Structure):
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_fields_ = [
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('ExtEntrySize', c_uint16),
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('ExtEntryType', c_uint16)
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]
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_OEM_TYPE_0(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('TypeMask', c_uint32)
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]
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_OEM_TYPE(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('TypeMask', c_uint32),
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('Types', ARRAY(GUID, 1))
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]
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def Refine_FV_EXT_ENTRY_OEM_TYPE_Header(nums: int) -> EFI_FIRMWARE_VOLUME_EXT_ENTRY_OEM_TYPE:
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_OEM_TYPE(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('TypeMask', c_uint32),
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('Types', ARRAY(GUID, nums))
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]
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return EFI_FIRMWARE_VOLUME_EXT_ENTRY_OEM_TYPE(Structure)
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_GUID_TYPE_0(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('FormatType', GUID)
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]
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_GUID_TYPE(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('FormatType', GUID),
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('Data', ARRAY(c_uint8, 1))
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]
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def Refine_FV_EXT_ENTRY_GUID_TYPE_Header(nums: int) -> EFI_FIRMWARE_VOLUME_EXT_ENTRY_GUID_TYPE:
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_GUID_TYPE(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('FormatType', GUID),
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('Data', ARRAY(c_uint8, nums))
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]
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return EFI_FIRMWARE_VOLUME_EXT_ENTRY_GUID_TYPE(Structure)
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class EFI_FIRMWARE_VOLUME_EXT_ENTRY_USED_SIZE_TYPE(Structure):
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_fields_ = [
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('Hdr', EFI_FIRMWARE_VOLUME_EXT_ENTRY),
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('UsedSize', c_uint32)
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]
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