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#
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# Copyright (C) 2008-2015 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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### DO NOT INDENT LINES CONTAINING $(call xyz) AS THIS MAY CHANGE THE CONTEXT
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### OF THE FIRST LINE IN THE CALLED VARIABLE (NOTE: variable!)
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### see http://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
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### ACTUALLY IT IS A SIMPLE MACRO EXPANSION
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### use round brackets for make variables, and curly brackets for shell variables
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## Kernel mtd partition size in KiB
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KERNEL_MTD_SIZE:=1280
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# Netgear WNR854T: erase size is 128KiB = 0x00020000 = 131072
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ERASE_SIZE_128K:=128
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# Linksys WRT350N v2: erase size is 64KiB = 0x00010000 = 65536
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ERASE_SIZE_64K:=64
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# define JFFS2 sizes for include/image.mk
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JFFS2_BLOCKSIZE:=64k 128k
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###
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### Image/BuildKernel
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###
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define Image/BuildKernel
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### Dummy comment for indented calls of Image/BuildKernel
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## Netgear WN802T: mach id 3306 (0x0cea)
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$(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3")
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$(call Image/BuildKernel/ARM/uImage,wn802t)
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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$(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3",-initramfs)
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$(call Image/BuildKernel/ARM/uImage,wn802t,-initramfs)
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) # nothing more to do for a ramdisk build
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$(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),uImage)
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$(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
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endif
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## Netgear WNR854T: mach id 1801 (0x0709)
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$(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
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$(call Image/BuildKernel/ARM/uImage,wnr854t)
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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$(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3",-initramfs)
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$(call Image/BuildKernel/ARM/uImage,wnr854t,-initramfs)
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) # nothing more to do for a ramdisk build
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$(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),uImage)
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$(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
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endif
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## Linksys WRT350N v2: mach id 1633 (0x0661)
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$(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
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$(call Image/BuildKernel/ARM/uImage,wrt350nv2)
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ifeq ($($CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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$(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3",-initramfs)
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$(call Image/BuildKernel/ARM/uImage,wrt350nv2-initramfs)
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) # nothing more to do for a ramdisk build
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$(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
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endif
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## Buffalo Terastation Pro II/Live: mach id 1584 (0x0630)
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$(call Image/BuildKernel/ARM/zImage,terastation-pro2,"\x06\x1c\xa0\xe3\x30\x10\x81\xe3")
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$(call Image/BuildKernel/ARM/uImage,terastation-pro2)
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ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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$(call Image/BuildKernel/ARM/zImage,terastation-pro2,"\x06\x1c\xa0\xe3\x30\x10\x81\xe3",-initramfs)
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$(call Image/BuildKernel/ARM/uImage,terastation-pro2,-initramfs)
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endif
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endef
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define Image/BuildKernel/ARM/zImage
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# merge machine id and regular zImage into one file
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# parameters: 1 = machine name, 2 = machine id as string in quotes
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# $(BOARD) kernel zImage for $(1)
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echo -en $(2) > '$(KDIR)/$(1)-zImage$(3)'
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cat '$(KDIR)/zImage$(3)' >> '$(KDIR)/$(1)-zImage$(3)'
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endef
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define Image/BuildKernel/ARM/uImage
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# create uImage from zImage
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# parameters: 1 = machine name
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# $(BOARD) kernel uImage for $(1)
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'$(STAGING_DIR_HOST)/bin/mkimage' -A arm -O linux -T kernel \
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-C none -a 0x00008000 -e 0x00008000 -n 'Linux-$(LINUX_VERSION)' \
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-d '$(KDIR)/$(1)-zImage$(2)' '$(KDIR)/$(1)-uImage$(2)'
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ifeq ($(2),-initramfs) # only copy uImage for ramdisk build
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cp '$(KDIR)/$(1)-uImage-initramfs' '$(BIN_DIR)/openwrt-$(1)-uImage-initramfs'
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endif
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endef
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define Image/BuildKernel/JFFS2uImage
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# create JFFS2 partition with uImage file (result is already padded to erase size)
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# parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
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# $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
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rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
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mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
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cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
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$(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
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rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
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endef
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define Image/Default/FileSizeCheck
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# parameters: 1 = file path, 2 = maximum size in bytes
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[ `stat -c %s '$(1)'` -le $(2) ] || { echo ' ERROR: $(1) too big (> $(2) bytes)'; rm -f $(1); }
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endef
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###
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### Image/Build
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###
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define Image/Build
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### Dummy comment for indented calls of Image/Build with $(1)
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## Prepare rootfs
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$(call Image/Build/$(1),$(1))
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## Netgear WN802T
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$(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
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## Netgear WNR854T
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$(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
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## Linksys WRT350N v2
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$(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
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## Buffalo Terastation Pro II/Live
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$(call Image/Build/Default,$(1),terastation-pro2,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,TERASTATION_PRO2)
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endef
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define Image/Build/squashfs
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$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
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endef
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## generate defines for all JFFS2 block sizes
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define Image/Build/jffs2/sub
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$(eval define Image/Build/jffs2-$(1)
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cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
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endef)
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endef
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$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
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define Image/Build/Default
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# parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
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ifeq ($(findstring jffs2-,$(1)),jffs2-) # JFFS2: build only image fitting to erase size
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ifeq ($(1),jffs2-$(3)k)
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$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
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$(call Image/Build/Default/factory,$(1),$(2),$(6))
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endif
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else
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ifeq ($(1),ext4) # EXT4: ignore
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# do nothing
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else # do all other images
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$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
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$(call Image/Build/Default/factory,$(1),$(2),$(6))
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endif
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endif
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endef
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define Image/Build/Default/sysupgrade
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# parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
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# $(BOARD) $(1) sysupgrade image for $(2)
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( \
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dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
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dd if='$(KDIR)/root.$(1)'; \
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) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
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endef
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define Image/Build/Default/factory
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# parameters: 1 = rootfs type, 2 = machine name, 3 = header
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# $(BOARD) $(1) factory upgrade image for $(2)
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'$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
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endef
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##
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## Image/Build/Linksys
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##
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define Image/Build/Linksys/wrt350nv2
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# parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
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ifeq ($(findstring jffs2-,$(1)),jffs2-) # JFFS2: build only image fitting to erase size
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ifeq ($(1),jffs2-$(3)k)
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$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
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$(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
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endif
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else
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ifeq ($(1),ext4) # EXT4: ignore
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# do nothing
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else # do all other images
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$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
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$(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
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endif
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endif
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endef
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define Image/Build/Linksys/wrt350nv2-builder
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# parameters: 1 = rootfs type, 2 = machine name
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# $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
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rm -rf '$(TMP_DIR)/$(2)_factory'
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mkdir '$(TMP_DIR)/$(2)_factory'
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# create parameter file
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echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
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[ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
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echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
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)
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echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
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# create bin file for recovery and factory image
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-( \
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cd '$(TMP_DIR)/$(2)_factory'; \
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'$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
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) && $(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin' && \
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( \
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cd '$(TMP_DIR)/$(2)_factory'; \
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zip 'wrt350n.zip' 'wrt350n.bin'; \
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) && '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
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rm -rf '$(TMP_DIR)/$(2)_factory'
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endef
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###
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### Image/PreReq
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###
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## Dependency for WRT350N v2 factory image
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$(eval $(call RequireCommand,zip, \
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Please install zip. \
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))
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