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