payloads/external/LinuxBoot/targets/u-root.mk

   1 ## SPDX-License-Identifier: GPL-2.0-only
   2
   3 uroot_package = github.com/u-root/u-root
   4 uroot_build = build/go/src/$(uroot_package)
   5
   6 UROOT_ARCH-$(CONFIG_LINUXBOOT_X86_64)      = amd64
   7 UROOT_ARCH-$(CONFIG_LINUXBOOT_X86)         = 386
   8 UROOT_ARCH-$(CONFIG_LINUXBOOT_ARM64)       = arm64
   9 UROOT_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV64)  = riscv64
  10
  11 go_version = $(shell go version | sed -nr 's/.*go([0-9]+\.[0-9]+.?[0-9]?).*/\1/p' )
  12 go_version_major = $(shell echo $(go_version) |  sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\1/p')
  13 go_version_minor = $(shell echo $(go_version) |  sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\2/p')
  14
  15 uroot_args += -build=$(CONFIG_LINUXBOOT_UROOT_FORMAT)
  16 uroot_args += -initcmd $(CONFIG_LINUXBOOT_UROOT_INITCMD)
  17 uroot_args += -uinitcmd=$(CONFIG_LINUXBOOT_UROOT_UINITCMD)
  18 uroot_args += -defaultsh $(CONFIG_LINUXBOOT_UROOT_SHELL)
  19 ifneq (CONFIG_LINUXBOOT_UROOT_FILES,)
  20 uroot_args += $(foreach file,$(CONFIG_LINUXBOOT_UROOT_FILES),-files $(PWD)/$(file))
  21 endif
  22
  23 uroot_cmds = $(CONFIG_LINUXBOOT_UROOT_COMMANDS)
  24
  25 version:
  26 ifeq ("$(go_version)","")
  27         printf "\n<<Please install Golang >= 1.9 for u-root mode>>\n\n"
  28         exit 1
  29 endif
  30 ifeq ($(shell if [ $(go_version_major) -eq 1 ]; then echo y; fi),y)
  31 ifeq ($(shell if [ $(go_version_minor) -lt 9 ]; then echo y; fi),y)
  32         printf "\n  Golang version $(go_version) currently installed.\n\
  33         <<Please install Golang >= 1.9 for u-root mode>>\n\n"
  34         exit 1
  35 endif
  36 endif
  37
  38 $(uroot_build):
  39         git clone https://$(uroot_package) $(uroot_build)
  40         git -C $(uroot_build) checkout --quiet $(CONFIG_LINUXBOOT_UROOT_VERSION)
  41
  42 $(uroot_build)/u-root: $(uroot_build)
  43         cd $(uroot_build); \
  44         go build -o u-root .
  45
  46 #$(CONFIG_LINUXBOOT_INITRAMFS_PATH)
  47 build/initramfs_u-root.cpio: $(uroot_build)/u-root
  48         GOARCH=$(UROOT_ARCH-y) $(uroot_build)/u-root \
  49         -uroot-source $(uroot_build) \
  50         $(uroot_args) -o build/initramfs_u-root.cpio $(uroot_cmds)