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#
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# Copyright (C) 2013 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 $(INCLUDE_DIR)/image.mk
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define Image/Prepare
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$(CP) $(DTS_DIR)/*.dtb $(KDIR)/
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rm -f $(KDIR)/fs_mark
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echo -ne '\xde\xad\xc0\xde' > $(KDIR)/fs_mark
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$(call prepare_generic_squashfs,$(KDIR)/fs_mark)
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# For UBI we want only one extra block
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rm -f $(KDIR)/ubi_mark
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echo -ne '\xde\xad\xc0\xde' > $(KDIR)/ubi_mark
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$(CP) ./ubinize.cfg $(KDIR)
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endef
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define Build/append-dtb
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cat $(KDIR)/$(DT).dtb >> $@
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endef
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define Build/lzma-d16
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$(STAGING_DIR_HOST)/bin/lzma e $@ -d16 $(1) $@.new
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@mv $@.new $@
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endef
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define Build/mkfs/squashfs
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( cd $(KDIR); $(STAGING_DIR_HOST)/bin/ubinize -p 128KiB -m 2048 -o $(KDIR)/root-block-0x20000-min-0x800.ubi ubinize.cfg )
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endef
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define Build/trx-serial
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$(STAGING_DIR_HOST)/bin/trx \
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-o $@ \
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-f $(word 1,$^) -a 1024 \
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-f $(KDIR)/root.squashfs -a 0x10000 -A $(KDIR)/fs_mark
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endef
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define Build/trx-nand
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# kernel: always use 4 MiB (-28 B or TRX header) to allow upgrades even
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# if it grows up between releases
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# root: UBI with one extra block containing UBI mark to trigger erasing
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# rest of partition
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$(STAGING_DIR_HOST)/bin/trx \
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-o $@ \
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-m 33554432 \
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-f $(word 1,$^) -a 0x20000 -b 0x400000 \
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-f $(KDIR)/root-block-0x20000-min-0x800.ubi \
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-A $(KDIR)/ubi_mark -a 0x20000
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endef
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define Build/netgear-chk
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$(STAGING_DIR_HOST)/bin/mkchkimg \
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-o $@.new -k $@ -b $(BOARD_ID) -r $(REGION)
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mv $@.new $@
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endef
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DEVICE_VARS += DT BOARD_ID REGION
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define Device/Default
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# .dtb files are prefixed by SoC type, e.g. bcm4708- which is not included in device/image names
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# extract the full dtb name based on the device info
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DT := $(patsubst %.dtb,%,$(notdir $(wildcard $(if $(IB),$(KDIR),$(DTS_DIR))/*-$(1).dtb)))
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KERNEL := kernel-bin | append-dtb | lzma-d16
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FILESYSTEMS := squashfs
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KERNEL_NAME := zImage
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IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1).$$(2)
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IMAGES := trx
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IMAGE/trx := trx-nand
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endef
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define Device/netgear
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IMAGES := chk
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IMAGE/chk := trx-nand | netgear-chk
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REGION := 1
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endef
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define Device/netgear-r6250
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$(Device/netgear)
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BOARD_ID := U12H245T00_NETGEAR
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endef
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define Device/netgear-r6300-v2
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$(Device/netgear)
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BOARD_ID := U12H240T00_NETGEAR
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endef
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define Device/netgear-r8000
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$(Device/netgear)
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BOARD_ID := U12H315T00_NETGEAR
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endef
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TARGET_DEVICES += \
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asus-rt-ac56u asus-rt-ac68u asus-rt-ac87u asus-rt-n18u \
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netgear-r6250 netgear-r6300-v2 netgear-r8000 \
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buffalo-wzr-1750dhp buffalo-wzr-600dhp2 buffalo-wzr-900dhp \
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buffalo-wxr-1900dhp
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$(eval $(call BuildImage))
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