| ## SPDX-License-Identifier: GPL-2.0-only |
| |
| project_dir=$(shell pwd)/linuxboot |
| go_path_dir=$(project_dir)/go |
| uroot_bin=$(project_dir)/u-root |
| uroot_package=github.com/u-root/u-root |
| |
| ARCH-$(CONFIG_LIBUXBOOT_X86_64)=amd64 |
| ARCH-$(CONFIG_LINUXBOOT_X86)=i386 |
| ARCH-$(CONFIG_LINUXBOOT_ARM64)=arm64 |
| |
| go_version=$(shell go version | sed -nr 's/.*go([0-9]+\.[0-9]+.?[0-9]?).*/\1/p' ) |
| go_version_major=$(shell echo $(go_version) | sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\1/p') |
| go_version_minor=$(shell echo $(go_version) | sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\2/p') |
| |
| uroot_args+=-build=$(CONFIG_LINUXBOOT_UROOT_FORMAT) |
| uroot_args+=-initcmd $(CONFIG_LINUXBOOT_UROOT_INITCMD) |
| uroot_args+=-uinitcmd=$(CONFIG_LINUXBOOT_UROOT_UINITCMD) |
| uroot_args+=-defaultsh $(CONFIG_LINUXBOOT_UROOT_SHELL) |
| ifneq (CONFIG_LINUXBOOT_UROOT_FILES,) |
| uroot_args+=$(foreach file,$(CONFIG_LINUXBOOT_UROOT_FILES),-files $(PWD)/$(file)) |
| endif |
| |
| uroot_cmds=$(CONFIG_LINUXBOOT_UROOT_COMMANDS) |
| |
| all: u-root |
| |
| version: |
| ifeq ("$(go_version)","") |
| printf "\n<<Please install Golang >= 1.9 for u-root mode>>\n\n" |
| exit 1 |
| endif |
| ifeq ($(shell if [ $(go_version_major) -eq 1 ]; then echo y; fi),y) |
| ifeq ($(shell if [ $(go_version_minor) -lt 9 ]; then echo y; fi),y) |
| printf "\n Golang version $(go_version) currently installed.\n\ |
| <<Please install Golang >= 1.9 for u-root mode>>\n\n" |
| exit 1 |
| endif |
| endif |
| |
| get: version |
| if [ -d "$(go_path_dir)/src/$(uroot_package)" ]; then \ |
| git -C $(go_path_dir)/src/$(uroot_package) checkout --quiet main; \ |
| git -C $(go_path_dir)/src/$(uroot_package) pull || \ |
| echo -e "\n<<Pulling u-root package from GitHub failed>>\n"; \ |
| else \ |
| git clone https://${uroot_package} ${go_path_dir}/src/${uroot_package} || \ |
| (echo -e "\n<<Failed to clone u-root package. Please check your internet access>>\n" && \ |
| exit 1); \ |
| fi |
| |
| checkout: get |
| git -C $(go_path_dir)/src/$(uroot_package) checkout --quiet $(CONFIG_LINUXBOOT_UROOT_VERSION) |
| |
| build: checkout |
| cd ${go_path_dir}/src/${uroot_package}; \ |
| go build -o ${uroot_bin} . |
| |
| u-root: build |
| GOARCH=$(ARCH-y) $(uroot_bin) \ |
| -uroot-source ${go_path_dir}/src/${uroot_package} \ |
| $(uroot_args) -o $(project_dir)/initramfs_u-root.cpio $(uroot_cmds) |
| |
| .PHONY: all u-root build checkout get version |