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80 lines
2.2 KiB
Makefile
80 lines
2.2 KiB
Makefile
#
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# Infrastructure to manage patching thinkpad EC firmware
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#
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# Copyright (C) 2016 Hamish Coleman
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#
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all:
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false
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#
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# Radare didnt seem to let me specify the direcrory to store the project file,
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# so this target hacks around that
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#
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install.radare.projects:
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mkdir -p ~/.config/radare2/projects/x220.8DHT34WW.d
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cp -fs $(PWD)/radare/x220.8DHT34WW ~/.config/radare2/projects
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mkdir -p ~/.config/radare2/projects/x230.G2HT35WW.d
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cp -fs $(PWD)/radare/x230.G2HT35WW ~/.config/radare2/projects
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mkdir -p ~/.config/radare2/projects/t430s.G7HT39WW.d
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cp -fs $(PWD)/radare/t430s.G7HT39WW ~/.config/radare2/projects
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#
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# Download any ISO image that we have a checksum for
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# NOTE: makes an assumption about the Lenovo URL not changing
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%.iso.orig: %.iso.orig.sha1
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wget -O $@ https://download.lenovo.com/pccbbs/mobiles/$(basename $@)
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sha1sum -c $<
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touch $@
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# Generate orig images so that we can diff against them later
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# If we have an extractor for this image, use it
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%.img.orig: %.extract %.img.orig.sha1
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./$< $@
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sha1sum -c $@.sha1
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# alternatively, use the generic extractor
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%.img.orig: xx30.extract %.img.orig.offset %.img.orig.sha1
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./xx30.extract $@.offset $@
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sha1sum -c $@.sha1
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# a generic encryptor
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%.img.enc: %.img xx30.encrypt
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./xx30.encrypt $< $@
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# TODO
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# - if we ever get generic extraction or encryption for more than
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# just the Xx30 series, these generic rules will need to be reworked
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# keep intermediate files
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.PRECIOUS: %.img.orig
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# Generate a working file with any known patches applied
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%.img: %.img.orig
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cp --reflink=auto $< $@
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./hexpatch.pl $@ $@.d/*.patch
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# if you want to work on more patches, you probably want the pre-patched ver
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%.img.prepatch: %.img.orig
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cp --reflink=auto $< $(basename $<)
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%.hex: %
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hd -v $< >$@
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# Generate a patch report
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%.diff: %.hex %.orig.hex
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-diff -u $(basename $@).orig.hex $(basename $@).hex >$@
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mec-tools/Makefile:
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git submodule update --init --remote
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mec-tools/mec_encrypt: mec-tools/Makefile
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make -C mec-tools
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#
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# TODO:
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# - most of these dependancies could be automatically calculated
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x220.8DHT34WW.extract: 8duj27us.iso.orig
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x230.G2HT35WW.img.orig.offset: g2uj23us.iso.orig mec-tools/mec_encrypt
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t430s.G7HT39WW.img.orig.offset: g7uj18us.iso.orig mec-tools/mec_encrypt
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