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 $(1) | grep "Entry point address" | grep -o 0x.*))
  15 endef
  16
  17 define Build/patch-dtb
  18         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $(DTS_DIR)/$(DEVICE_DTS).dtb
  19 endef
  20
  21 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  22 # Root FS built-in
  23 define Device/vmlinux
  24         KERNEL_SUFFIX := .elf
  25         KERNEL := kernel-bin | patch-dtb
  26         KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
  27 endef
  28
  29 define Device/nsim_hs
  30         $(call Device/vmlinux)
  31         DEVICE_PROFILE := nsim_hs
  32         DEVICE_DTS := nsim_hs_idu
  33 endef
  34 TARGET_DEVICES += nsim_hs
  35 endif
  36
  37 # Root FS on SD-card
  38 KERNEL_LOADADDR := 0x80000000
  39 DEVICE_DTS_LIST:= axs103_idu nsim_hs_idu
  40 FAT32_BLOCK_SIZE=1024
  41 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_AXS10X_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
  42
  43 define Image/Build/SDCard
  44         rm -f $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img
  45         mkfs.fat $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img -C $(FAT32_BLOCKS)
  46         mkimage -C none -A arc -T script -d uEnv.txt $(BIN_DIR)/uEnv.scr
  47         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uEnv.scr ::boot.scr
  48         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(DTS_DIR)/*.dtb ::
  49         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/$(IMG_PREFIX)-uImage ::uImage
  50
  51         ./gen_axs10x_sdcard_img.sh \
  52                 $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img \
  53                 $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img \
  54                 $(KDIR)/root.$(1) \
  55                 $(CONFIG_AXS10X_SD_BOOT_PARTSIZE) \
  56                 $(CONFIG_TARGET_ROOTFS_PARTSIZE)
  57
  58 ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
  59         gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img
  60 endif
  61 endef
  62
  63 define Image/BuildKernel
  64         # Build unified uImage
  65         $(call Build/calculate-ep, $(KDIR)/vmlinux.elf)
  66         $(call Image/BuildKernel/MkuImage, \
  67                 none, $(KERNEL_LOADADDR), $(KERNEL_ENTRY), \
  68                 $(KDIR)/vmlinux, \
  69                 $(BIN_DIR)/$(IMG_PREFIX)-uImage \
  70         )
  71
  72         # Build .dtb for all boards we may run on
  73         $(foreach dts,$(DEVICE_DTS_LIST),
  74                 $(call Image/BuildDTB,$(DTS_DIR)/$(dts).dts,$(DTS_DIR)/$(dts).dtb)
  75         )
  76 endef
  77
  78 define Image/Build
  79         $(call Image/Build/$(1),$(1))
  80         $(call Image/Build/SDCard,$(1))
  81         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
  82 endef
  83
  84 $(eval $(call BuildImage))