mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-20 21:43:11 +00:00
107 lines
3.7 KiB
Plaintext
107 lines
3.7 KiB
Plaintext
modules-$(CONFIG_COREBOOT) += coreboot
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#coreboot_version := git
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#coreboot_repo := https://github.com/osresearch/coreboot
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coreboot_version := 4.8.1
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coreboot_base_dir := coreboot-$(coreboot_version)
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coreboot_dir := $(coreboot_base_dir)/$(BOARD)
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coreboot_tar := coreboot-$(coreboot_version).tar.xz
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coreboot_url := https://www.coreboot.org/releases/$(coreboot_tar)
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coreboot_hash := f0ddf4db0628c1fe1e8348c40084d9cbeb5771400c963fd419cda3995b69ad23
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# coreboot builds are specialized on a per-target basis.
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# The builds are done in a per-target subdirectory
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CONFIG_COREBOOT_CONFIG ?= config/coreboot-$(BOARD).config
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# Ensure that touching the config file will force a rebuild
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$(build)/$(coreboot_dir)/.configured: $(CONFIG_COREBOOT_CONFIG)
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EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches -Wno-error=packed-not-aligned
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coreboot_configure := \
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mkdir -p "$(build)/$(coreboot_dir)" \
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&& cp "$(pwd)/$(CONFIG_COREBOOT_CONFIG)" "$(build)/$(coreboot_dir)/.config" \
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&& $(MAKE) olddefconfig \
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-C "$(build)/$(coreboot_base_dir)" \
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obj="$(build)/$(coreboot_dir)" \
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DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
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BUILD_TIMELESS=1 \
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CFLAGS_x86_32="$(EXTRA_FLAGS)" \
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CFLAGS_x86_64="$(EXTRA_FLAGS)" \
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COREBOOT_IASL="$(build)/$(coreboot_base_dir)/util/crossgcc/xgcc/bin/iasl"
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# coreboot is built with the 32-bit compiler; ideally we could use the same
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# x86_64-linux-musl -m32 to build it, but this causes some link errors that need
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# to be tracked down.
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# CROSS="$(CROSS)" \
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coreboot_target := \
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-C "$(build)/$(coreboot_base_dir)" \
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obj="$(build)/$(coreboot_dir)" \
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CROSS="$(dir $(CROSS))i386-linux-musl-" \
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IASL="$(COREBOOT_IASL)" \
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DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
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BUILD_TIMELESS=1 \
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CFLAGS_x86_32="$(EXTRA_FLAGS)" \
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CFLAGS_x86_64="$(EXTRA_FLAGS)" \
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$(MAKE_JOBS)
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coreboot_output := coreboot.rom
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coreboot_depend += linux initrd $(musl_dep)
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$(build)/$(coreboot_dir)/.configured: $(COREBOOT_IASL)
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$(COREBOOT_IASL): $(build)/$(coreboot_base_dir)/.canary
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$(MAKE) -C "$(build)/$(coreboot_base_dir)" CPUS=`nproc` iasl
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# Force a rebuild if the inputs have changed
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$(build)/$(coreboot_dir)/.build: \
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$(build)/$(BOARD)/bzImage \
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$(build)/$(BOARD)/initrd.cpio.xz \
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# This produces a ROM image that is written with the flashrom program
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$(build)/$(BOARD)/coreboot.rom: $(build)/$(coreboot_dir)/.build
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"$(build)/$(coreboot_dir)/cbfstool" "$(dir $<)coreboot.rom" print
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$(call do-copy,$(dir $<)coreboot.rom,$@)
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@touch $@ # update the time stamp
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#
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# Helpful target for reconfiguring the coreboot target
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#
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coreboot.menuconfig:
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$(MAKE) \
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-C "$(build)/$(coreboot_base_dir)" \
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DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
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menuconfig
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# The config file in the repo is stored as a "defconfig" format
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# which only includes the options that have changed from the defaults.
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coreboot.saveconfig:
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$(MAKE) \
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-C "$(build)/$(coreboot_base_dir)" \
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DOTCONFIG="$(build)/$(coreboot_dir)/.config" \
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DEFCONFIG="$(pwd)/$(CONFIG_COREBOOT_CONFIG)" \
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savedefconfig
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# if we are not building from a git checkout,
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# we must also download the coreboot-blobs tree
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ifneq "$(coreboot_version)" "git"
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coreboot_depends += coreboot-blobs
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modules-y += coreboot-blobs
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coreboot-blobs_version := $(coreboot_version)
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coreboot-blobs_tar := coreboot-blobs-$(coreboot-blobs_version).tar.xz
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coreboot-blobs_tar_opt := --strip 3
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coreboot-blobs_dir := coreboot-$(coreboot-blobs_version)/3rdparty/blobs
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coreboot-blobs_url := https://www.coreboot.org/releases/$(coreboot-blobs_tar)
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coreboot-blobs_hash := 18aa509ae3af005a05d7b1e0b0246dc640249c14fc828f5144b6fd20bb10e295
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## there is nothing to build for the blobs, this should be
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## made easier to make happen
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coreboot-blobs_output := .built
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coreboot-blobs_configure := echo -e 'all:\n\ttouch .built' > Makefile
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endif
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