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thinkpad-ec/Makefile

84 lines
2.3 KiB
Makefile

#
# Infrastructure to manage patching thinkpad EC firmware
#
# Copyright (C) 2016 Hamish Coleman
#
all:
false
#
# Radare didnt seem to let me specify the direcrory to store the project file,
# so this target hacks around that
#
install.radare.projects:
mkdir -p ~/.config/radare2/projects/x220.8DHT34WW.d
cp -fs $(PWD)/radare/x220.8DHT34WW ~/.config/radare2/projects
mkdir -p ~/.config/radare2/projects/x230.G2HT35WW.d
cp -fs $(PWD)/radare/x230.G2HT35WW ~/.config/radare2/projects
mkdir -p ~/.config/radare2/projects/t430s.G7HT39WW.d
cp -fs $(PWD)/radare/t430s.G7HT39WW ~/.config/radare2/projects
#
# Download any ISO image that we have a checksum for
# NOTE: makes an assumption about the Lenovo URL not changing
%.iso.orig: %.iso.orig.sha1
wget -O $@ https://download.lenovo.com/pccbbs/mobiles/$(basename $@)
sha1sum -c $<
touch $@
# Generate all the orig images so that we can diff against them later
# a the generic binary extractor
%.orig: %.slice slice.extract
./slice.extract $< $@
%.img.orig: %.img.enc.orig %.img.orig.sha1 mec-tools/mec_encrypt
mec-tools/mec_encrypt -d $< >$@
sha1sum -c $@.sha1
# a generic encryptor
%.img.enc: %.img xx30.encrypt
./xx30.encrypt $< $@
# TODO
# - if we ever get generic extraction or encryption for more than
# just the Xx30 series, these generic rules will need to be reworked
# keep intermediate files
.PRECIOUS: %.img.orig
# Generate a working file with any known patches applied
%.img: %.img.orig
cp --reflink=auto $< $@
./hexpatch.pl $@ $@.d/*.patch
# if you want to work on more patches, you probably want the pre-patched ver
%.img.prepatch: %.img.orig
cp --reflink=auto $< $(basename $<)
%.hex: %
hd -v $< >$@
# Generate a patch report
%.diff: %.hex %.orig.hex
-diff -u $(basename $@).orig.hex $(basename $@).hex >$@
cat $@
mec-tools/Makefile:
git submodule update --init --remote
mec-tools/mec_encrypt: mec-tools/Makefile
make -C mec-tools
#
# TODO:
# - most of these dependancies could be automatically calculated
x220.8DHT34WW.s01CB000.FL2.slice: 8duj27us.iso.orig
x230.G2HT35WW.s01D3000.FL2.slice: g2uj23us.iso.orig
x220.8DHT34WW.img.enc.slice: x220.8DHT34WW.s01CB000.FL2.orig
x230.G2HT35WW.img.enc.slice: x230.G2HT35WW.s01D3000.FL2.orig
t430.G1HT35WW.img.enc.slice: g1uj38us.iso.orig
t430s.G7HT39WW.img.enc.slice: g7uj18us.iso.orig