target/linux/arc770/image/Makefile

   1 #
   2 # Copyright (C) 2015 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 late in building process.
  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_DIR)/$(DEVICE_DTS).dts,$@.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 endef
  28 DEVICE_VARS += DEVICE_PROFILE
  29
  30 define Device/vmlinux
  31   KERNEL_SUFFIX := .elf
  32   KERNEL_INITRAMFS := kernel-bin | patch-dtb
  33   KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
  34 endef
  35
  36 define Device/uImage
  37   KERNEL_SUFFIX := .bin
  38   KERNEL_INITRAMFS := kernel-bin | patch-dtb | calculate-ep | uImage none
  39   KERNEL_LOADADDR := 0x80000000
  40 endef
  41
  42 define add_arc770_uImage
  43   define Device/$(1)-uImage
  44     $(call Device/uImage)
  45     DEVICE_PROFILE := $(1)
  46     DEVICE_DTS := $(1)
  47   endef
  48   TARGET_DEVICES += $(1)-uImage
  49 endef
  50
  51 define add_arc770_vmlinux
  52   define Device/$(1)-vmlinux
  53     $(call Device/vmlinux)
  54     DEVICE_PROFILE := $(1)
  55     DEVICE_DTS := $(1)
  56   endef
  57   TARGET_DEVICES += $(1)-vmlinux
  58 endef
  59
  60 # DesignWare AXS101
  61 $(eval $(call add_arc770_vmlinux,axs101))
  62 $(eval $(call add_arc770_uImage,axs101))
  63
  64 # nSIM with ARC770
  65 $(eval $(call add_arc770_vmlinux,nsim_700))
  66 $(eval $(call add_arc770_uImage,nsim_700))
  67
  68 $(eval $(call BuildImage))