target/linux/archs38/image/Makefile

   1 #
   2 # Copyright (C) 2016 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9
  10 # On ARC initramfs is put before entry point and so entry point moves
  11 # in memory from build to built. Thus we need to extract EP from vmlinux
  12 # every time before generation of uImage.
  13 define Build/calculate-ep
  14         $(eval KERNEL_ENTRY=$(shell $(KERNEL_CROSS)readelf -h $(LINUX_DIR)/vmlinux | grep "Entry point address" | grep -o 0x.*))
  15 endef
  16
  17 define Build/patch-dtb
  18         $(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
  19         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
  20 endef
  21
  22 # Shared device definition: applies to every defined device
  23 define Device/Default
  24   PROFILES = Default $$(DEVICE_PROFILE)
  25   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
  26   DEVICE_PROFILE :=
  27   DEVICE_DTS :=
  28 endef
  29 DEVICE_VARS += DEVICE_PROFILE DEVICE_DTS
  30
  31 define Device/vmlinux
  32   KERNEL_SUFFIX := .elf
  33   KERNEL_INITRAMFS := kernel-bin | patch-dtb
  34   KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
  35 endef
  36
  37 define Device/uImage
  38   KERNEL_SUFFIX := .bin
  39   KERNEL_INITRAMFS := kernel-bin | patch-dtb | calculate-ep | uImage none
  40   KERNEL_LOADADDR := 0x80000000
  41 endef
  42
  43 define add_archs38_uImage
  44   define Device/$(1)-uImage
  45     $(call Device/uImage)
  46     DEVICE_PROFILE := $(1)
  47     DEVICE_DTS := $(1)
  48   endef
  49   TARGET_DEVICES += $(1)-uImage
  50 endef
  51
  52 define add_archs38_vmlinux
  53   define Device/$(1)-vmlinux
  54     $(call Device/vmlinux)
  55     DEVICE_PROFILE := $(1)
  56     DEVICE_DTS := $(1)
  57   endef
  58   TARGET_DEVICES += $(1)-vmlinux
  59 endef
  60
  61 # DesignWare AXS103
  62 $(eval $(call add_archs38_vmlinux,axs103_idu))
  63 $(eval $(call add_archs38_uImage,axs103_idu))
  64
  65 # nSIM with ARCHS38
  66 $(eval $(call add_archs38_vmlinux,nsim_hs_idu))
  67 $(eval $(call add_archs38_uImage,nsim_hs_idu))
  68
  69 $(eval $(call BuildImage))