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Partial support for the Dragonboard 401C image #6

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Partial support for the Dragonboard 401C image #6

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10 changes: 9 additions & 1 deletion ffu2img.py3
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,9 @@ blockdataaddress = blockdataaddress + (FFUSecHeader.dwChunkSizeInKb*1024)-(block
logfp.write('Block data chunks begin: ' + str(hex(blockdataaddress)) + '\n')
print('Block data chunks begin: ' + str(hex(blockdataaddress)))

for i in range(FFUStoreHeader.dwInitialTableCount):
readblockdataentry()

iBlock = 0
oldblockcount = 0
while iBlock < FFUStoreHeader.dwWriteDescriptorCount:
Expand All @@ -99,9 +102,14 @@ while iBlock < FFUStoreHeader.dwWriteDescriptorCount:
oldblockcount = CurrentBlockDataEntry.dwBlockCount
for key, val in CurrentBlockDataEntry._asdict().items():
logfp.write(key + ' = ' + str(val) + '\n')
if CurrentBlockDataEntry.dwLocationCount == 0 or CurrentBlockDataEntry.dwDiskAccessMethod == 2:
# TODO: fix dwDiskAccessMethod == 2 (seek from end of device)
# used on Dragonboard 410C for backup GPT
iBlock += 1
continue
curraddress = ffufp.tell()
ffufp.seek(blockdataaddress+(iBlock*FFUStoreHeader.dwBlockSizeInBytes))
imgfp.seek(CurrentBlockDataEntry.dwBlockCount*FFUStoreHeader.dwBlockSizeInBytes)
imgfp.seek(CurrentBlockDataEntry.dwBlockIndex*FFUStoreHeader.dwBlockSizeInBytes)
imgfp.write(ffufp.read(FFUStoreHeader.dwBlockSizeInBytes))
ffufp.seek(curraddress)
iBlock = iBlock + 1
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