LinuxBoot/targets/linux.mk: refactor kernel compilation
Refactor the linux kernel compilation. Change-Id: Iea2e2c8a22a91bdd2e3f83cd3058426acec3eaba Signed-off-by: Marcello Sylvester Bauer <info@marcellobauer.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/30053 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Marcello Sylvester Bauer
committed by
Philipp Deppenwiese
Philipp Deppenwiese
parent
59a407349b
commit
79f92910eb
151
payloads/external/LinuxBoot/targets/linux.mk
vendored
151
payloads/external/LinuxBoot/targets/linux.mk
vendored
@ -13,83 +13,120 @@
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## GNU General Public License for more details.
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##
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kernel_tarball=https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-$(CONFIG_LINUXBOOT_KERNEL_VERSION).tar.xz
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project_dir=linuxboot
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kernel_dir=$(project_dir)/kernel
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ARCH-$(CONFIG_LINUXBOOT_X86_64)=x86_64
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ARCH-$(CONFIG_LINUXBOOT_X86)=x86
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ARCH-$(CONFIG_LINUXBOOT_ARM64)=arm64
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XGCCPATH?=$(PWD)/util/crossgcc/xgcc/bin
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ifeq ($(CONFIG_LINUXBOOT_ARCH),i386)
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LINUXBOOT_COMPILE?=$(XGCCPATH)/i386-linux-
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ARCH?=x86
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
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LINUXBOOT_COMPILE?=$(XGCCPATH)/x86_64-linux-
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ARCH?=x86_64
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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LINUXBOOT_COMPILE?=$(XGCCPATH)/aarch64-linux-
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ARCH?=arm64
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TAG-$(CONFIG_LINUXBOOT_KERNEL_MAINLINE)=mainline
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TAG-$(CONFIG_LINUXBOOT_KERNEL_STABLE)=stable
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TAG-$(CONFIG_LINUXBOOT_KERNEL_LONGTERM)=longterm
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pwd:=$(shell pwd)
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top:=../../..
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project_dir=linuxboot
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tarball_dir:=$(project_dir)/tarball
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decompress_flag=.done
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OBJCOPY:=$(LINUXBOOT_CROSS_COMPILE)objcopy
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ifeq ($(CONFIG_LINUXBOOT_KERNEL_CUSTOM),y)
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kernel_version:=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION)
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else
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kernel_version:=$(shell curl -s -k https://www.kernel.org/feeds/kdist.xml | \
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sed -n -e 's@.*<guid isPermaLink="false">\(.*\)</guid>.*@\1@p' | \
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awk -F ',' '/$(TAG-y)/{ print $$3 }' | \
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head -n 1)
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endif
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OBJCOPY:=$(LINUXBOOT_COMPILE)objcopy
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kernel_dir=$(project_dir)/kernel-$(subst .,_,$(kernel_version))
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kernel_tarball=linux-$(kernel_version).tar
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kernel_mirror=https://mirrors.edge.kernel.org/pub/linux/kernel
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ifeq ($(findstring x2.6.,x$(kernel_version)),x2.6.)
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kernel_mirror_path := $(kernel_mirror)/v2.6
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else ifeq ($(findstring x3.,x$(kernel_version)),x3.)
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kernel_mirror_path := $(kernel_mirror)/v3.x
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else ifeq ($(findstring x4.,x$(kernel_version)),x4.)
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kernel_mirror_path := $(kernel_mirror)/v4.x
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else ifeq ($(findstring x5.,x$(kernel_version)),x5.)
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kernel_mirror_path := $(kernel_mirror)/v5.x
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endif
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all: kernel
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toolchain:
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if [[ ! -x "$(LINUXBOOT_COMPILE)gcc" ]]; then \
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echo "Toolchain '$(LINUXBOOT_COMPILE)*' is missing."; \
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exit 1; \
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lookup:
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ifeq ($(kernel_version),)
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$(error kernel version lookup failed for $(TAG-y) release)
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endif
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@echo " WWW Kernel [$(TAG-y)] $(kernel_version)"
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fetch:
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ifneq ($(shell [[ -d "$(kernel_dir)" && -f "$(kernel_dir)/$(decompress_flag)" ]];echo $$?),0)
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mkdir -p $(tarball_dir)
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if [[ ! -f $(tarball_dir)/$(kernel_tarball).xz && ! -f $(tarball_dir)/$(kernel_tarball).xz ]]; then \
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echo " WWW $(kernel_tarball).xz"; \
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cd $(tarball_dir); \
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curl -OLs "$(kernel_mirror_path)/$(kernel_tarball).xz"; \
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cd $(pwd); \
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fi
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$(kernel_dir)/.config:
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echo " WWW Download Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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mkdir -p $(kernel_dir)
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ifeq ("$(wildcard $(kernel_dir)/README)","")
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curl -s $(kernel_tarball) | tar xJ -C $(kernel_dir) --strip 1
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endif
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config: $(kernel_dir)/.config
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echo " CONFIG Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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ifneq ($(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE),)
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unpack: fetch
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if [[ -d "$(kernel_dir)" && ! -f "$(kernel_dir)/$(decompress_flag)" ]]; then \
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rm -rf $(kernel_dir); \
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fi
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if [[ ! -d "$(kernel_dir)" ]]; then \
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mkdir $(kernel_dir); \
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echo " XZ $(kernel_tarball).xz"; \
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tar xJf $(tarball_dir)/$(kernel_tarball).xz --strip 1 -C $(kernel_dir); \
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fi
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touch $(kernel_dir)/$(decompress_flag)
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$(kernel_dir)/.config: unpack
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@echo " CONFIG Linux $(kernel_version)"
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ifeq ($(CONFIG_LINUXBOOT_KERNEL_CUSTOM_CONFIG),y)
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cp $(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE) $(kernel_dir)/.config
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),i386)
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cp x86/defconfig $(kernel_dir)/.config
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
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cp x86_64/defconfig $(kernel_dir)/.config
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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cp arm64/defconfig $(kernel_dir)/.config
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else
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cp $(ARCH-y)/defconfig $(kernel_dir)/.config
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endif
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$(MAKE) -C $(kernel_dir) olddefconfig ARCH=$(ARCH-y)
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build: $(kernel_dir)/.config
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@echo " MAKE Linux $(kernel_version)"
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ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)
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$(MAKE) -C $(kernel_dir) CROSS_COMPILE=$(LINUXBOOT_CROSS_COMPILE) ARCH=$(ARCH-y) bzImage
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else
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ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)
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$(MAKE) -C $(kernel_dir) CROSS_COMPILE=$(LINUXBOOT_CROSS_COMPILE) ARCH=$(ARCH-y) vmlinux
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endif
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endif
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ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),i386 amd64))
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$(kernel_dir)/arch/x86/boot/bzImage: config toolchain
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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$(kernel_dir)/vmlinux: config toolchain
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endif
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echo " MAKE Kernel $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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$(MAKE) -C $(kernel_dir) olddefconfig CROSS_COMPILE=$(LINUXBOOT_COMPILE) ARCH=$(ARCH)
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$(MAKE) -C $(kernel_dir) -j $(CPUS) CROSS_COMPILE=$(LINUXBOOT_COMPILE) ARCH=$(ARCH)
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ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),i386 amd64))
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$(project_dir)/bzImage: $(kernel_dir)/arch/x86/boot/bzImage
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ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)
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$(top)/$(CONFIG_LINUXBOOT_KERNEL): build
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@echo " CP bzImage"
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cp $(kernel_dir)/arch/x86/boot/bzImage $@
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else
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ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)
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$(project_dir)/target.dtb: $(top)/$(CONFIG_LINUXBOOT_DTB_FILE)
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cp $< $@
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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$(project_dir)/vmlinux.bin: $(kernel_dir)/vmlinux
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$(OBJCOPY) -O binary $< $@
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$(project_dir)/target.dtb: $(PWD)/$(CONFIG_LINUXBOOT_DTB_FILE)
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cp $< $@
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$(project_dir)/vmlinux.bin.lzma: $(project_dir)/vmlinux.bin
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xz -c -k -f --format=lzma --lzma1=dict=1MiB,lc=3,lp=0,pb=3 $< > $@
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$(project_dir)/uImage: $(project_dir)/vmlinux.bin.lzma $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)/target.dtb
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$(top)/$(CONFIG_LINUXBOOT_KERNEL): build $(project_dir)/vmlinux.bin.lzma $(project_dir)/target.dtb
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cp $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)
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cp $(PWD)/$(CONFIG_LINUXBOOT_INITRAMFS)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $(project_dir)/u-initramfs
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cp $(top)/$(CONFIG_LINUXBOOT_INITRAMFS)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $(project_dir)/initramfs
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mkimage -f $(project_dir)/kernel_fdt_lzma.its $@
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else
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$(error Kernel image format not found)
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exit 1
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endif
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endif
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ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),i386 amd64))
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kernel: $(project_dir)/bzImage
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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kernel: $(project_dir)/uImage
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ifneq ($(TAG-y),)
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kernel: lookup $(top)/$(CONFIG_LINUXBOOT_KERNEL)
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else
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kernel: $(top)/$(CONFIG_LINUXBOOT_KERNEL)
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endif
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.PHONY: kernel config toolchain
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.PHONY: all kernel build unpack fetch check
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@ -18,6 +18,10 @@ go_path_dir=$(project_dir)/go
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uroot_bin=$(project_dir)/u-root
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uroot_package=github.com/u-root/u-root
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ARCH-$(CONFIG_LIBUXBOOT_X86_64)=amd64
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ARCH-$(CONFIG_LINUXBOOT_X86)=i386
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ARCH-$(CONFIG_LINUXBOOT_ARM64)=arm64
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go_version=$(shell go version | sed -nr 's/.*go([0-9]+\.[0-9]+.?[0-9]?).*/\1/p' )
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go_version_major=$(shell echo $(go_version) | sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\1/p')
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go_version_minor=$(shell echo $(go_version) | sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\2/p')
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@ -64,7 +68,7 @@ build: checkout
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GOPATH=$(go_path_dir) go build -o $(uroot_bin) $(uroot_package)
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u-root: build
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GOARCH=$(CONFIG_LINUXBOOT_ARCH) GOPATH=$(go_path_dir) $(uroot_bin) \
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GOARCH=$(ARCH-y) GOPATH=$(go_path_dir) $(uroot_bin) \
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$(uroot_args) -o $(project_dir)/initramfs_u-root.cpio $(uroot_cmds)
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.PHONY: all u-root build checkout get version
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