payloads/external/LinuxBoot/Makefile

   1 ## SPDX-License-Identifier: GPL-2.0-only
   2
   3 unexport $(COREBOOT_EXPORTS)
   4
   5 DTC ?= dtc
   6
   7 LINUX_ARCH-$(CONFIG_LINUXBOOT_X86_64)     = x86_64
   8 LINUX_ARCH-$(CONFIG_LINUXBOOT_X86)        = i386
   9 LINUX_ARCH-$(CONFIG_LINUXBOOT_ARM64)      = arm64
  10 LINUX_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV32) = riscv
  11 LINUX_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV64) = riscv
  12
  13 build/Image: $(CONFIG_LINUXBOOT_KERNEL_PATH) | build
  14         ln -s -r $< $@
  15
  16
  17 ifeq ($(CONFIG_LINUXBOOT_COMPILE_KERNEL),y)
  18 include targets/linux.mk
  19 endif
  20 ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
  21 include targets/u-root.mk
  22 endif
  23
  24 ifeq ($(CONFIG_LINUXBOOT_BUILD_INITRAMFS),y)
  25 build/initramfs: $(CONFIG_LINUXBOOT_INITRAMFS_PATH) | build
  26 else
  27 build/initramfs:
  28 endif
  29 ifeq ($(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ),y)
  30         xz --keep --force --check=crc32 --lzma2=dict=1MiB $(CONFIG_LINUXBOOT_INITRAMFS_PATH)
  31 endif
  32         cp $(CONFIG_LINUXBOOT_INITRAMFS_PATH)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $@
  33
  34 ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)
  35
  36 build/bzImage: $(kernel_dir)/arch/x86/boot/bzImage build/initramfs | build
  37         cp $< $@
  38
  39 else ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)
  40
  41 build/target.dtb: $(CONFIG_LINUXBOOT_DTS_FILE)
  42         $(DTC) -o $@ $<
  43
  44 build/uImage: build/vmlinux.bin.lzma build/initramfs build/target.dtb $(LINUX_ARCH-y)/kernel_fdt_lzma.its | build
  45         mkimage -f $(LINUX_ARCH-y)/kernel_fdt_lzma.its $@
  46
  47 endif # CONFIG_LINUXBOOT_KERNEL_BZIMAGE
  48
  49 build:
  50         mkdir build
  51
  52 clean:
  53         rm -rf build/kernel*
  54         rm -f  build/u-root
  55         rm -f  build/initramfs*
  56         rm -f  build/bzImage
  57         rm -f  build/uImage
  58
  59 distclean:
  60         rm -rf build
  61
  62 .PHONY: linuxboot clean distclean