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system76-edk2/BaseTools/Source/Python/FMMT/core/FMMTOperation.py
Yuwei Chen 5b5481526f BaseTools: fixing FMMT ShrinkFv issue 
1. FvLength not change issue;
2. FileSystemGuid align with File Size;

Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Bob Feng <bob.c.feng@intel.com>
Signed-off-by: Yuwei Chen <yuwei.chen@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
2023-12-11 10:12:52 +00:00

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## @file
# This file is used to define the functions to operate bios binary file.
#
# Copyright (c) 2021-, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
##
from core.FMMTParser import *
from core.FvHandler import *
from utils.FvLayoutPrint import *
from utils.FmmtLogger import FmmtLogger as logger
global Fv_count
Fv_count = 0
# The ROOT_TYPE can be 'ROOT_TREE', 'ROOT_FV_TREE', 'ROOT_FFS_TREE', 'ROOT_SECTION_TREE'
def ViewFile(inputfile: str, ROOT_TYPE: str, layoutfile: str=None, outputfile: str=None) -> None:
if not os.path.exists(inputfile):
logger.error("Invalid inputfile, can not open {}.".format(inputfile))
raise Exception("Process Failed: Invalid inputfile!")
# 1. Data Prepare
with open(inputfile, "rb") as f:
whole_data = f.read()
FmmtParser = FMMTParser(inputfile, ROOT_TYPE)
# 2. DataTree Create
logger.debug('Parsing inputfile data......')
FmmtParser.ParserFromRoot(FmmtParser.WholeFvTree, whole_data)
logger.debug('Done!')
# 3. Log Output
InfoDict = FmmtParser.WholeFvTree.ExportTree()
logger.debug('BinaryTree created, start parsing BinaryTree data......')
FmmtParser.WholeFvTree.parserTree(InfoDict, FmmtParser.BinaryInfo)
logger.debug('Done!')
GetFormatter("").LogPrint(FmmtParser.BinaryInfo)
if layoutfile:
if os.path.splitext(layoutfile)[1]:
layoutfilename = layoutfile
layoutfileformat = os.path.splitext(layoutfile)[1][1:].lower()
else:
layoutfilename = "Layout_{}{}".format(os.path.basename(inputfile),".{}".format(layoutfile.lower()))
layoutfileformat = layoutfile.lower()
GetFormatter(layoutfileformat).dump(InfoDict, FmmtParser.BinaryInfo, layoutfilename)
# 4. Data Encapsulation
if outputfile:
logger.debug('Start encapsulating data......')
FmmtParser.Encapsulation(FmmtParser.WholeFvTree, False)
with open(outputfile, "wb") as f:
f.write(FmmtParser.FinalData)
logger.debug('Encapsulated data is saved in {}.'.format(outputfile))
def DeleteFfs(inputfile: str, TargetFfs_name: str, outputfile: str, Fv_name: str=None) -> None:
if not os.path.exists(inputfile):
logger.error("Invalid inputfile, can not open {}.".format(inputfile))
raise Exception("Process Failed: Invalid inputfile!")
# 1. Data Prepare
with open(inputfile, "rb") as f:
whole_data = f.read()
FmmtParser = FMMTParser(inputfile, ROOT_TREE)
# 2. DataTree Create
logger.debug('Parsing inputfile data......')
FmmtParser.ParserFromRoot(FmmtParser.WholeFvTree, whole_data)
logger.debug('Done!')
# 3. Data Modify
FmmtParser.WholeFvTree.FindNode(TargetFfs_name, FmmtParser.WholeFvTree.Findlist)
# Choose the Specfic DeleteFfs with Fv info
if Fv_name:
FindNum = len(FmmtParser.WholeFvTree.Findlist)
for index in range(FindNum-1, -1, -1):
if FmmtParser.WholeFvTree.Findlist[index].Parent.key != Fv_name and FmmtParser.WholeFvTree.Findlist[index].Parent.Data.Name != Fv_name:
FmmtParser.WholeFvTree.Findlist.remove(FmmtParser.WholeFvTree.Findlist[index])
Status = False
if FmmtParser.WholeFvTree.Findlist != []:
for Delete_Ffs in FmmtParser.WholeFvTree.Findlist:
FfsMod = FvHandler(None, Delete_Ffs)
Status = FfsMod.DeleteFfs()
else:
logger.error('Target Ffs not found!!!')
# 4. Data Encapsulation
if Status:
logger.debug('Start encapsulating data......')
FmmtParser.Encapsulation(FmmtParser.WholeFvTree, False)
with open(outputfile, "wb") as f:
f.write(FmmtParser.FinalData)
logger.debug('Encapsulated data is saved in {}.'.format(outputfile))
def AddNewFfs(inputfile: str, Fv_name: str, newffsfile: str, outputfile: str) -> None:
if not os.path.exists(inputfile):
logger.error("Invalid inputfile, can not open {}.".format(inputfile))
raise Exception("Process Failed: Invalid inputfile!")
if not os.path.exists(newffsfile):
logger.error("Invalid ffsfile, can not open {}.".format(newffsfile))
raise Exception("Process Failed: Invalid ffs file!")
# 1. Data Prepare
with open(inputfile, "rb") as f:
whole_data = f.read()
FmmtParser = FMMTParser(inputfile, ROOT_TREE)
# 2. DataTree Create
logger.debug('Parsing inputfile data......')
FmmtParser.ParserFromRoot(FmmtParser.WholeFvTree, whole_data)
logger.debug('Done!')
# Get Target Fv and Target Ffs_Pad
FmmtParser.WholeFvTree.FindNode(Fv_name, FmmtParser.WholeFvTree.Findlist)
# Create new ffs Tree
with open(newffsfile, "rb") as f:
new_ffs_data = f.read()
NewFmmtParser = FMMTParser(newffsfile, ROOT_FFS_TREE)
Status = False
# 3. Data Modify
if FmmtParser.WholeFvTree.Findlist:
for TargetFv in FmmtParser.WholeFvTree.Findlist:
TargetFfsPad = TargetFv.Child[-1]
logger.debug('Parsing newffsfile data......')
if TargetFfsPad.type == FFS_FREE_SPACE:
NewFmmtParser.ParserFromRoot(NewFmmtParser.WholeFvTree, new_ffs_data, TargetFfsPad.Data.HOffset)
else:
NewFmmtParser.ParserFromRoot(NewFmmtParser.WholeFvTree, new_ffs_data, TargetFfsPad.Data.HOffset+TargetFfsPad.Data.Size)
logger.debug('Done!')
FfsMod = FvHandler(NewFmmtParser.WholeFvTree.Child[0], TargetFfsPad)
Status = FfsMod.AddFfs()
else:
logger.error('Target Fv not found!!!')
# 4. Data Encapsulation
if Status:
logger.debug('Start encapsulating data......')
FmmtParser.Encapsulation(FmmtParser.WholeFvTree, False)
with open(outputfile, "wb") as f:
f.write(FmmtParser.FinalData)
logger.debug('Encapsulated data is saved in {}.'.format(outputfile))
def ReplaceFfs(inputfile: str, Ffs_name: str, newffsfile: str, outputfile: str, Fv_name: str=None) -> None:
if not os.path.exists(inputfile):
logger.error("Invalid inputfile, can not open {}.".format(inputfile))
raise Exception("Process Failed: Invalid inputfile!")
# 1. Data Prepare
with open(inputfile, "rb") as f:
whole_data = f.read()
FmmtParser = FMMTParser(inputfile, ROOT_TREE)
# 2. DataTree Create
logger.debug('Parsing inputfile data......')
FmmtParser.ParserFromRoot(FmmtParser.WholeFvTree, whole_data)
logger.debug('Done!')
with open(newffsfile, "rb") as f:
new_ffs_data = f.read()
newFmmtParser = FMMTParser(newffsfile, FV_TREE)
logger.debug('Parsing newffsfile data......')
newFmmtParser.ParserFromRoot(newFmmtParser.WholeFvTree, new_ffs_data)
logger.debug('Done!')
Status = False
# 3. Data Modify
new_ffs = newFmmtParser.WholeFvTree.Child[0]
new_ffs.Data.PadData = GetPadSize(new_ffs.Data.Size, FFS_COMMON_ALIGNMENT) * b'\xff'
FmmtParser.WholeFvTree.FindNode(Ffs_name, FmmtParser.WholeFvTree.Findlist)
if Fv_name:
FindNum = len(FmmtParser.WholeFvTree.Findlist)
for index in range(FindNum-1, -1, -1):
if FmmtParser.WholeFvTree.Findlist[index].Parent.key != Fv_name and FmmtParser.WholeFvTree.Findlist[index].Parent.Data.Name != Fv_name:
FmmtParser.WholeFvTree.Findlist.remove(FmmtParser.WholeFvTree.Findlist[index])
if FmmtParser.WholeFvTree.Findlist != []:
for TargetFfs in FmmtParser.WholeFvTree.Findlist:
FfsMod = FvHandler(newFmmtParser.WholeFvTree.Child[0], TargetFfs)
Status = FfsMod.ReplaceFfs()
else:
logger.error('Target Ffs not found!!!')
# 4. Data Encapsulation
if Status:
logger.debug('Start encapsulating data......')
FmmtParser.Encapsulation(FmmtParser.WholeFvTree, False)
with open(outputfile, "wb") as f:
f.write(FmmtParser.FinalData)
logger.debug('Encapsulated data is saved in {}.'.format(outputfile))
def ExtractFfs(inputfile: str, Ffs_name: str, outputfile: str, Fv_name: str=None) -> None:
if not os.path.exists(inputfile):
logger.error("Invalid inputfile, can not open {}.".format(inputfile))
raise Exception("Process Failed: Invalid inputfile!")
# 1. Data Prepare
with open(inputfile, "rb") as f:
whole_data = f.read()
FmmtParser = FMMTParser(inputfile, ROOT_TREE)
# 2. DataTree Create
logger.debug('Parsing inputfile data......')
FmmtParser.ParserFromRoot(FmmtParser.WholeFvTree, whole_data)
logger.debug('Done!')
FmmtParser.WholeFvTree.FindNode(Ffs_name, FmmtParser.WholeFvTree.Findlist)
if Fv_name:
FindNum = len(FmmtParser.WholeFvTree.Findlist)
for index in range(FindNum-1, -1, -1):
if FmmtParser.WholeFvTree.Findlist[index].Parent.key != Fv_name and FmmtParser.WholeFvTree.Findlist[index].Parent.Data.Name != Fv_name:
FmmtParser.WholeFvTree.Findlist.remove(FmmtParser.WholeFvTree.Findlist[index])
if FmmtParser.WholeFvTree.Findlist != []:
TargetNode = FmmtParser.WholeFvTree.Findlist[0]
if TargetNode.type == FV_TREE or TargetNode.type == SEC_FV_TREE or TargetNode.type == DATA_FV_TREE:
FinalData = struct2stream(TargetNode.Data.Header) + TargetNode.Data.Data
with open(outputfile, "wb") as f:
f.write(FinalData)
logger.debug('Extract fv data is saved in {}.'.format(outputfile))
else:
TargetFv = TargetNode.Parent
if TargetFv.Data.Header.Attributes & EFI_FVB2_ERASE_POLARITY:
TargetNode.Data.Header.State = c_uint8(
~TargetNode.Data.Header.State)
FinalData = struct2stream(TargetNode.Data.Header) + TargetNode.Data.Data
with open(outputfile, "wb") as f:
f.write(FinalData)
logger.debug('Extract ffs data is saved in {}.'.format(outputfile))
else:
logger.error('Target Ffs/Fv not found!!!')
def ShrinkFv(inputfile: str, outputfile: str) -> None:
if not os.path.exists(inputfile):
logger.error("Invalid inputfile, can not open {}.".format(inputfile))
raise Exception("Process Failed: Invalid inputfile!")
# 1. Data Prepare
with open(inputfile, "rb") as f:
whole_data = f.read()
FmmtParser = FMMTParser(inputfile, ROOT_TREE)
# 2. DataTree Create
logger.debug('Parsing inputfile data......')
FmmtParser.ParserFromRoot(FmmtParser.WholeFvTree, whole_data)
logger.debug('Done!')
TargetFv = FmmtParser.WholeFvTree.Child[0]
if TargetFv:
FvMod = FvHandler(TargetFv)
Status = FvMod.ShrinkFv()
else:
logger.error('Target Fv not found!!!')
# 4. Data Encapsulation
if Status:
logger.debug('Start encapsulating data......')
FmmtParser.Encapsulation(FmmtParser.WholeFvTree, False)
with open(outputfile, "wb") as f:
f.write(FmmtParser.FinalData)
logger.debug('Encapsulated data is saved in {}.'.format(outputfile))
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