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/build-dtb
  18         $(call Image/BuildDTB,$(DTS_DIR)/$(DEVICE_DTS).dts,$(DTS_DIR)/$(DEVICE_DTS).dtb)
  19 endef
  20
  21 define Build/patch-dtb
  22         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $(DTS_DIR)/$(DEVICE_DTS).dtb
  23 endef
  24
  25 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  26 # Root FS built-in
  27 define Device/vmlinux
  28         KERNEL_SUFFIX := .elf
  29         KERNEL := kernel-bin | build-dtb | patch-dtb
  30         KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
  31 endef
  32
  33 define Device/nsim_hs
  34         $(call Device/vmlinux)
  35         DEVICE_PROFILE := nsim_hs
  36         DEVICE_DTS := nsim_hs_idu
  37 endef
  38 TARGET_DEVICES += nsim_hs
  39 else
  40 # Root FS on SD-card
  41 KERNEL_LOADADDR := 0x80000000
  42 DEVICE_DTS_LIST:= axs103_idu
  43 FAT32_BLOCK_SIZE=1024
  44 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_AXS10X_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
  45
  46 define Image/Build/SDCard
  47         rm -f $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img
  48         mkdosfs $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img -C $(FAT32_BLOCKS)
  49         mkimage -C none -A arc -T script -d uEnv.txt $(BIN_DIR)/uEnv.scr
  50         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uEnv.scr ::boot.scr
  51         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(DTS_DIR)/*.dtb ::
  52         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/$(IMG_PREFIX)-uImage ::uImage
  53
  54         ./gen_axs10x_sdcard_img.sh \
  55                 $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img \
  56                 $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img \
  57                 $(KDIR)/root.$(1) \
  58                 $(CONFIG_AXS10X_SD_BOOT_PARTSIZE) \
  59                 $(CONFIG_TARGET_ROOTFS_PARTSIZE)
  60
  61 ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
  62         gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img
  63 endif
  64 endef
  65
  66 define Image/BuildKernel
  67         # Build unified uImage
  68         $(call Build/calculate-ep)
  69         $(call Image/BuildKernel/MkuImage, \
  70                 none, $(KERNEL_LOADADDR), $(KERNEL_ENTRY), \
  71                 $(KDIR)/vmlinux, \
  72                 $(BIN_DIR)/$(IMG_PREFIX)-uImage \
  73         )
  74
  75         # Build .dtb for all boards we may run on
  76         $(foreach DEVICE_DTS,$(shell echo $(DEVICE_DTS_LIST)), $(call Build/build-dtb))
  77 endef
  78
  79 define Image/Build
  80         $(call Image/Build/$(1),$(1))
  81         $(call Image/Build/SDCard,$(1))
  82         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
  83 endef
  84 endif
  85
  86 $(eval $(call BuildImage))