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#
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# Copyright (C) 2010-2012 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 mkimage
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mkimage -A arm -O linux -T kernel -C none -a $(2) -e $(2) -n 'OpenWrt Linux-$(LINUX_VERSION)' -d $(LINUX_DIR)/arch/arm/boot/zImage $(KDIR)/uImage-$(1)
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endef
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define Image/Prepare
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$(call mkimage,old,0x00008000)
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$(call mkimage,new,0x20008000)
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endef
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# Build sysupgrade image
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define BuildFirmware/Generic
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dd if=$(KDIR)/uImage-old of=$(KDIR)/uImage-old.pad bs=64k conv=sync; \
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dd if=$(KDIR)/uImage-new of=$(KDIR)/uImage-new.pad bs=64k conv=sync; \
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dd if=$(KDIR)/root.$(1) of=$(KDIR)/root.$(1).pad bs=128k conv=sync; \
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sh $(TOPDIR)/scripts/combined-image.sh \
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$(KDIR)/uImage-old.pad \
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$(KDIR)/root.$(1).pad \
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$(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-old-uboot-sysupgrade.bin
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sh $(TOPDIR)/scripts/combined-image.sh \
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$(KDIR)/uImage-new.pad \
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$(KDIR)/root.$(1).pad \
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$(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-sysupgrade.bin
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endef
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define Image/Build
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$(call Image/Build/$(1),$(1))
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$(call BuildFirmware/Generic,$(1))
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endef
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define Image/Build/jffs2-64k
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( \
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dd if=$(KDIR)/uImage-old bs=2048k conv=sync; \
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dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
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) > $(BIN_DIR)/$(IMG_PREFIX)-old-uboot-$(1).bin
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( \
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dd if=$(KDIR)/uImage-new bs=2048k conv=sync; \
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dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
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) > $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
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endef
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define Image/Build/jffs2-128k
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( \
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dd if=$(KDIR)/uImage-old bs=2048k conv=sync; \
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dd if=$(KDIR)/root.$(1) bs=128k conv=sync; \
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) > $(BIN_DIR)/$(IMG_PREFIX)-old-uboot-$(1).bin
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( \
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dd if=$(KDIR)/uImage-new bs=2048k conv=sync; \
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dd if=$(KDIR)/root.$(1) bs=128k conv=sync; \
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) > $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
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endef
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define Image/Build/squashfs
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$(call prepare_generic_squashfs,$(KDIR)/root.$(1))
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( \
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dd if=$(KDIR)/uImage-old bs=2048k conv=sync; \
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dd if=$(KDIR)/root.$(1) bs=128k conv=sync; \
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) > $(BIN_DIR)/$(IMG_PREFIX)-old-uboot-$(1).bin
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( \
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dd if=$(KDIR)/uImage-new bs=2048k conv=sync; \
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dd if=$(KDIR)/root.$(1) bs=128k conv=sync; \
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) > $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
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endef
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$(eval $(call BuildImage))
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