mirror of
https://github.com/hamishcoleman/thinkpad-ec
synced 2024-11-04 06:00:12 +00:00
247 lines
7.5 KiB
Makefile
247 lines
7.5 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: list_laptops
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$(info See README file for additional details)
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$(info )
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.PHONY: all
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list_laptops:
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$(info )
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$(info The following make targets are the supported usb images:)
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$(info )
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$(info patched.t430.img - for patching Thinkpad T430)
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$(info patched.t430s.img - for patching Thinkpad T430s)
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$(info patched.t530.img - for patching Thinkpad T530)
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$(info patched.t530i.img - for patching Thinkpad T530i)
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$(info patched.w530.img - for patching Thinkpad W430)
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$(info patched.x230.img - for patching Thinkpad X230)
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$(info patched.x230t.img - for patching Thinkpad X230t)
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$(info )
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.PHONY: list_laptops
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# Remove all the usual junk
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clean:
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rm -f patched.*.iso patched.*.img *.FL2 *.FL2.orig *.img.enc \
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*.img.enc.orig *.img.orig
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# Also remove the large downloaded iso images and any EC firmwares
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really_clean: clean
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rm -f *.iso.orig *.img
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# manually managed list of laptops - update this if the BIOS versions change
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patched.t430.iso: g1uj38us.iso
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mv $< $@
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patched.t430s.iso: g7uj18us.iso
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mv $< $@
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patched.t530.iso: g4uj30us.iso
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mv $< $@
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patched.t530i.iso: g4uj30us.iso
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mv $< $@
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patched.w530.iso: g5uj28us.iso
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mv $< $@
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patched.x230.iso: g2uj23us.iso
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mv $< $@
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patched.x230t.iso: gcuj24us.iso
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mv $< $@
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list_iso:
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$(info )
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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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.PHONY: list_iso
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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_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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mkdir -p ~/.config/radare2/projects/x260.R02HT29W.d/
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cp -fs $(PWD)/radare/x260.R02HT29W ~/.config/radare2/projects
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DEPSDIR := .d
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$(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: $$SLICEE; done >$@.tmp
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mv $@.tmp $@
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-include $(DEPSDIR)/slice.insert.deps
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$(DEPSDIR)/slice.insert.deps: Makefile
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for i in *.slice; do read SLICEE other <$$i; echo `basename $$SLICEE .orig`: $$i `basename $$i .slice`; done >$@.tmp
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mv $@.tmp $@
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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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# using both __DIR and __FL2 is a hack to get around needing to quote the
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# DOS path separator. It feels like there should be a beter way if I put
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# my mind to it..
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#
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%.iso.bat: %.iso.orig %.iso.orig.desc autoexec.bat.template
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sed -e "s%__DIR%`MTOOLS_SKIP_CHECK=1 mdir -/ -b -i $<@@$(FAT_OFFSET) |grep FL2 |cut -d/ -f3`%; s%__FL2%`MTOOLS_SKIP_CHECK=1 mdir -/ -b -i $<@@$(FAT_OFFSET) |grep FL2 |cut -d/ -f4`%; s%__DESC%`cat $<.desc`%" autoexec.bat.template >$@.tmp
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mv $@.tmp $@
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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 $< >$@.tmp
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mv $@.tmp $@
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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 $@).hex >$@.tmp
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mv $@.tmp $@
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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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MTOOLS_SKIP_CHECK=1 mcopy -i $^@@$(FAT_OFFSET) ::FLASH/DOSFLASH.EXE $@
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## Use the system provided geteltorito script, if there is one
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#GETELTORITO := $(shell if type geteltorito >/dev/null; then echo geteltorito; else echo ./geteltorito; fi)
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# use the included geteltorito script always, since we know it does not have
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# the hdd size bug
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GETELTORITO := ./geteltorito
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# extract the DOS boot image from an iso (and fix it up so qemu can boot it)
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%.img: %.iso
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$(GETELTORITO) -o $@ $<
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./hexpatch.pl $@ fix-hdd-image.patch
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# simple testing of images in an emulator
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%.iso.test: %.iso
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qemu-system-x86_64 -enable-kvm -cdrom $<
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%.img.test: %.img
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qemu-system-x86_64 -enable-kvm -hda $<
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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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# using function calls to build rules with actions is kind of a hack,
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# which is why these are all on oneline.
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# $1 = encoded EC firmware
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# $2 = FL2 filename
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define rule_fl2
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$(2): $(1) ; ./slice.insert $(1).slice $(1) $(2)
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endef
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# $1 = FL2 filename
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# $2 = ISO image
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define rule_iso
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$(2): $(1) $(2).bat ; ./slice.insert $(1).slice $(1) $(2) && MTOOLS_SKIP_CHECK=1 mcopy -o -i $(2)@@$(FAT_OFFSET) $(2).bat ::AUTOEXEC.BAT
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endef
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#
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# TODO:
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# - add a simple method to autogenerate these non-generic rules
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# - once that is done, convert the defines back to action bodies, not
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# rule definitions
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# Hacky, non generic rules
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$(call rule_fl2,t430.G1HT35WW.img.enc,t430.G1HT35WW.s01D2000.FL2)
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$(call rule_fl2,t430s.G7HT39WW.img.enc,t430s.G7HT39WW.s01D8000.FL2)
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$(call rule_fl2,t530.G4HT39WW.img.enc,t530.G4HT39WW.s01D5100.FL2)
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$(call rule_fl2,w530.G4HT39WW.img.enc,w530.G4HT39WW.s01D5200.FL2)
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$(call rule_fl2,x230.G2HT35WW.img.enc,x230.G2HT35WW.s01D3000.FL2)
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$(call rule_fl2,x230t.GCHT25WW.img.enc,x230t.GCHT25WW.s01DA000.FL2)
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$(call rule_iso,t430.G1HT35WW.s01D2000.FL2,g1uj38us.iso)
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$(call rule_iso,x230.G2HT35WW.s01D3000.FL2,g2uj23us.iso)
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$(call rule_iso,t530.G4HT39WW.s01D5100.FL2,g4uj30us.iso)
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$(call rule_iso,w530.G4HT39WW.s01D5200.FL2,g5uj28us.iso)
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$(call rule_iso,t430s.G7HT39WW.s01D8000.FL2,g7uj18us.iso)
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$(call rule_iso,x230t.GCHT25WW.s01DA000.FL2,gcuj24us.iso)
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