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- #
- # Copyright (C) 2016 OpenWrt.org
- #
- # This is free software, licensed under the GNU General Public License v2.
- # See /LICENSE for more information.
- #
- include $(TOPDIR)/rules.mk
- include $(INCLUDE_DIR)/image.mk
- # On ARC initramfs is put before entry point and so entry point moves
- # in memory from build to built. Thus we need to extract EP from vmlinux
- # every time before generation of uImage.
- kernel_ep = `$(KERNEL_CROSS)readelf -h $(1) | grep "Entry point address" | grep -o 0x.*`
- define Build/patch-dtb
- $(STAGING_DIR_HOST)/bin/patch-dtb $@ $(DTS_DIR)/$(DEVICE_DTS).dtb
- endef
- ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
- # Root FS built-in
- define Device/vmlinux
- KERNEL_SUFFIX := .elf
- KERNEL := kernel-bin | patch-dtb
- KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
- endef
- define Device/nsim_hs
- $(call Device/vmlinux)
- DEVICE_PROFILE := nsim_hs
- DEVICE_DTS := nsim_hs_idu
- endef
- TARGET_DEVICES += nsim_hs
- endif
- # Root FS on SD-card
- KERNEL_LOADADDR := 0x80000000
- DEVICE_DTS_LIST:= axs103_idu nsim_hs_idu
- FAT32_BLOCK_SIZE=1024
- FAT32_BLOCKS=$(shell echo $$(($(CONFIG_AXS10X_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
- define Image/Prepare
- # Build .dtb for all boards we may run on
- $(foreach dts,$(DEVICE_DTS_LIST),
- $(call Image/BuildDTB,$(DTS_DIR)/$(dts).dts,$(DTS_DIR)/$(dts).dtb)
- )
- endef
- define Image/Build/SDCard
- rm -f $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img
- mkfs.fat $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img -C $(FAT32_BLOCKS)
- mkimage -C none -A arc -T script -d uEnv.txt $(BIN_DIR)/uEnv.scr
- mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uEnv.scr ::boot.scr
- mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(DTS_DIR)/*.dtb ::
- mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/$(IMG_PREFIX)-uImage ::uImage
- ./gen_axs10x_sdcard_img.sh \
- $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img \
- $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img \
- $(KDIR)/root.$(1) \
- $(CONFIG_AXS10X_SD_BOOT_PARTSIZE) \
- $(CONFIG_TARGET_ROOTFS_PARTSIZE)
- ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
- gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img
- endif
- endef
- define Image/BuildKernel
- # Build unified uImage
- $(call Image/BuildKernel/MkuImage, \
- none, $(KERNEL_LOADADDR),$(call kernel_ep,$(KDIR)/vmlinux.elf) , \
- $(KDIR)/vmlinux, \
- $(BIN_DIR)/$(IMG_PREFIX)-uImage \
- )
- endef
- define Image/Build
- $(call Image/Build/$(1),$(1))
- $(call Image/Build/SDCard,$(1))
- dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
- $(call Image/Gzip,$(BIN_DIR)/$(IMG_PREFIX)-root.$(1))
- endef
- $(eval $(call BuildImage))
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