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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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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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endef
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# $(1): dts filename (also used for the firmware file).
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define Image/Build/initramfs/DTB
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$(call Image/Build/DTB,zImage-initramfs,$(1))
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$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/$(IMG_PREFIX)-$(1)-initramfs.trx \
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-f $(KDIR)/zImage-initramfs-$(1).lzma
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endef
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# $(1): dts filename (also used for the firmware file).
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define Image/Build/squashfs/DTB
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$(call Image/Build/DTB,zImage,$(1))
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$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/$(IMG_PREFIX)-$(1)-squashfs.trx \
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-f $(KDIR)/zImage-$(1).lzma \
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-a 1024 -f $(KDIR)/root.squashfs -a 0x10000 -A $(KDIR)/fs_mark
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endef
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# $(1): kernel (Linux) image file
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# $(2): dts filename (also used for the firmware file).
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define Image/Build/DTB
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rm -f $(KDIR)/$(1)-$(2).lzma
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rm -f $(KDIR)/$(1)-$(2).dts
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cat $(KDIR)/$(1) $(DTS_DIR)/$(2).dtb > $(KDIR)/$(1)-$(2).dts;
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$(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/$(1)-$(2).dts $(KDIR)/$(1)-$(2).lzma -d16
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endef
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# $(1): filesystem type (e.g. squashfs, initramfs).
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# $(2): dts filename (also used for the firmware file).
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define Image/Build/Trx
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$(call Image/Build/$(1)/DTB,$(2))
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cp $(KDIR)/$(IMG_PREFIX)-$(2)-$(1).trx $(BIN_DIR)/
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endef
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# $(1): filesystem type (e.g. squashfs, initramfs).
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# $(2): dts filename (also used for the firmware file).
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# $(3): board_id (device specific magic).
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# $(4): region.
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define Image/Build/Chk
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$(call Image/Build/$(1)/DTB,$(2))
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$(STAGING_DIR_HOST)/bin/mkchkimg -o $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1).chk -k $(KDIR)/$(IMG_PREFIX)-$(2)-$(1).trx -b $(3) -r $(4)
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endef
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# $(1): filesystem type (e.g. squashfs, initramfs).
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define Image/Build
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$(call Image/Build/Trx,$(1),bcm4708-buffalo-wzr-1750dhp)
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$(call Image/Build/Chk,$(1),bcm4708-netgear-r6250,U12H245T00_NETGEAR,1)
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$(call Image/Build/Chk,$(1),bcm4708-netgear-r6300-v2,U12H240T00_NETGEAR,1)
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endef
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define Image/Build/Initramfs
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$(call Image/Build,initramfs)
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endef
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$(eval $(call BuildImage))
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