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169 lines
5.3 KiB
Makefile
169 lines
5.3 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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cat README
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list_iso:
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$(info The following make targets are available to produce patched and)
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$(info bootable ISO images)
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$(info )
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@for i in *.desc; do echo `basename $$i .orig.desc` - for patching `cat $$i`; done
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@echo
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# FIXME - need to automatically generate the iso image target list
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list_images:
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$(info The following make targets are available to produce firmware images:)
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$(info )
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$(info $(basename $(wildcard *.d)))
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$(info )
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$(info The following make targets are available to produce FL2 files:)
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$(info )
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$(info $(foreach i,$(basename $(basename $(wildcard *.d))),$(basename $(wildcard $(i).*.FL2.slice))))
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$(info )
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@true
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.PHONY: list_iso list_images
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# All the bios update iso images I have checked have had a fat16 filesystem
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# embedded in a dos mbr image as the el-torito ISO payload. They also all
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# had the same offset to this fat filesystem, so hardcode that offset here.
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FAT_OFFSET := 71680
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#
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# Radare didnt seem to let me specify the directory 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 $(PWD)/radare/x230.G2HT35WW ~/.config/radare2/projects
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DEPSDIR := .d
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$(shell mkdir -p $(DEPSDIR))
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-include $(DEPSDIR)/slice.extract.deps
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$(DEPSDIR)/slice.extract.deps: Makefile
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for i in *.slice; do read SLICEE other <$$i; echo $$i: $$SLICEE; done >$@
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-include $(DEPSDIR)/slice.insert.deps
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$(DEPSDIR)/slice.insert.deps: Makefile
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for i in *.slice; do read SLICEE other <$$i; echo `basename $$SLICEE .orig`: $$i `basename $$i .slice`; done >$@
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# FIXME - the slice.deps targets basically do not handle add/del/change of
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# the *.slice files. I dont use any of the regular tricks because I also
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# dont want to download every .iso file as a result of depending on the %.slice
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# file - and I dont want to work around that with makefile magic as that would
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# defeat the purpose of keeping the makefile simple
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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 all the orig images so that we can diff against them later
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# a the generic binary extractor
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%.orig: %.slice slice.extract
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./slice.extract $< $@
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%.img.orig: %.img.enc.orig %.img.orig.sha1 mec-tools/mec_encrypt
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mec-tools/mec_encrypt -d $< >$@
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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: %.orig
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.PRECIOUS: %.img
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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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%.iso.bat: %.iso.orig %.iso.orig.desc autoexec.bat.template
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sed -e "s%__FL2%`mdir -/ -b -i $<@@$(FAT_OFFSET) |grep FL2 |cut -d/ -f3-`%; s%__DESC%`cat $<.desc`%" autoexec.bat.template >$@
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# helper to write the ISO onto a cdrw
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%.iso.blank_burn: %.iso
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wodim -eject -v speed=40 -tao gracetime=0 blank=fast $<
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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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cat $@
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# If we ever want a copy of the dosflash.exe, just get it from the iso image
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%.dosflash.exe.orig: %.iso.orig
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mcopy -i $^@@$(FAT_OFFSET) ::FLASH/DOSFLASH.EXE $@
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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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# - add a simple method to autogenerate these non-generic rules
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# Hacky, non generic rules
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t430.G1HT35WW.s01D2000.FL2: t430.G1HT35WW.img.enc
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./slice.insert $<.slice $< $@
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t430s.G7HT39WW.s01D8000.FL2: t430s.G7HT39WW.img.enc
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./slice.insert $<.slice $< $@
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t530.G4HT39WW.s01D5100.FL2: t530.G4HT39WW.img.enc
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./slice.insert $<.slice $< $@
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w530.G4HT39WW.s01D5200.FL2: w530.G4HT39WW.img.enc
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./slice.insert $<.slice $< $@
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x230.G2HT35WW.s01D3000.FL2: x230.G2HT35WW.img.enc
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./slice.insert $<.slice $< $@
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x230t.GCHT25WW.s01DA000.FL2: x230t.GCHT25WW.img.enc
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./slice.insert $<.slice $< $@
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g1uj38us.iso: t430.G1HT35WW.s01D2000.FL2 g1uj38us.iso.bat
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./slice.insert $<.slice $< $@
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mcopy -o -i $@@@$(FAT_OFFSET) $@.bat ::AUTOEXEC.BAT
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g2uj23us.iso: x230.G2HT35WW.s01D3000.FL2 g2uj23us.iso.bat
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./slice.insert $<.slice $< $@
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mcopy -o -i $@@@$(FAT_OFFSET) $@.bat ::AUTOEXEC.BAT
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g4uj30us.iso: t530.G4HT39WW.s01D5100.FL2 g4uj30us.iso.bat
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./slice.insert $<.slice $< $@
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mcopy -o -i $@@@$(FAT_OFFSET) $@.bat ::AUTOEXEC.BAT
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g5uj28us.iso: w530.G4HT39WW.s01D5200.FL2 g5uj28us.iso.bat
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./slice.insert $<.slice $< $@
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mcopy -o -i $@@@$(FAT_OFFSET) $@.bat ::AUTOEXEC.BAT
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g7uj18us.iso: t430s.G7HT39WW.s01D8000.FL2 g7uj18us.iso.bat
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./slice.insert $<.slice $< $@
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mcopy -o -i $@@@$(FAT_OFFSET) $@.bat ::AUTOEXEC.BAT
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gcuj24us.iso: x230t.GCHT25WW.s01DA000.FL2 gcuj24us.iso.bat
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./slice.insert $<.slice $< $@
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mcopy -o -i $@@@$(FAT_OFFSET) $@.bat ::AUTOEXEC.BAT
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