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 ifeq ($(CONFIG_LINUXBOOT_COMPILE_KERNEL),y)
  14 include targets/linux.mk
  15 endif
  16 ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
  17 include targets/u-root.mk
  18 endif
  19
  20 ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)
  21
  22 build/Image: $(kernel_dir)/arch/x86/boot/bzImage | build
  23         cp $< $@
  24
  25 else ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)
  26
  27 build/target.dtb: $(CONFIG_LINUXBOOT_DTS_FILE) | build
  28         $(DTC) -o $@ $<
  29
  30 build/Image: build/vmlinux.bin.lzma build/initramfs build/target.dtb $(LINUX_ARCH-y)/kernel_fdt_lzma.its | build
  31         mkimage -f $(LINUX_ARCH-y)/kernel_fdt_lzma.its $@
  32
  33 else ifneq ($(CONFIG_LINUXBOOT_COMPILE_KERNEL),y)
  34
  35 build/Image: $(CONFIG_LINUXBOOT_KERNEL_PATH) | build
  36         cp $< $@
  37
  38 endif
  39
  40 build/initramfs: build/initramfs_u-root.cpio | build
  41 ifeq ($(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ),y)
  42         xz --stdout --keep --force --check=crc32 --lzma2=dict=1MiB $< > $@
  43 else
  44         cp $< $@
  45 endif
  46
  47 build:
  48         mkdir build
  49
  50 clean:
  51         rm -rf build/kernel*
  52         rm -f  build/u-root
  53         rm -f  build/initramfs*
  54         rm -f  build/bzImage
  55         rm -f  build/uImage
  56
  57 distclean:
  58         rm -rf build
  59
  60 .PHONY: linuxboot clean distclean