target/linux/orion/image/generic.mk

   1 #
   2 # Copyright (C) 2008-2013 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 ### DO NOT INDENT LINES CONTAINING $(call xyz) AS THIS MAY CHANGE THE CONTEXT
   9 ### OF THE FIRST LINE IN THE CALLED VARIABLE (NOTE: variable!)
  10 ### see http://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
  11 ### ACTUALLY IT IS A SIMPLE MACRO EXPANSION
  12
  13 ### use round brackets for make variables, and curly brackets for shell variables
  14
  15
  16 ## Kernel mtd partition size in KiB
  17 KERNEL_MTD_SIZE:=1024
  18
  19 # Netgear WNR854T: erase size is 128KiB = 0x00020000 = 131072
  20 ERASE_SIZE_128K:=128
  21
  22 # Linksys WRT350N v2: erase size is 64KiB = 0x00010000 = 65536
  23 ERASE_SIZE_64K:=64
  24
  25 # define JFFS2 sizes for include/image.mk
  26 JFFS2_BLOCKSIZE:=64k 128k
  27
  28
  29 ###
  30 ### Image/BuildKernel
  31 ###
  32
  33 define Image/BuildKernel
  34 ### Dummy comment for indented calls of Image/BuildKernel
  35
  36  ## Netgear WN802T: mach id 3306 (0x0cea)
  37 $(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3")
  38 $(call Image/BuildKernel/ARM/uImage,wn802t)
  39  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  40 $(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),uImage)
  41 $(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  42  endif
  43
  44  ## Netgear WNR854T: mach id 1801 (0x0709)
  45 $(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
  46 $(call Image/BuildKernel/ARM/uImage,wnr854t)
  47  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  48 $(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),uImage)
  49 $(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  50  endif
  51
  52  ## Linksys WRT350N v2: mach id 1633 (0x0661)
  53 $(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
  54 $(call Image/BuildKernel/ARM/uImage,wrt350nv2)
  55  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  56 $(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  57  endif
  58 endef
  59
  60 define Image/BuildKernel/ARM/zImage
  61  # merge machine id and regular zImage into one file
  62  # parameters: 1 = machine name, 2 = machine id as string in quotes
  63         # $(BOARD) kernel zImage for $(1)
  64         echo -en $(2) > '$(KDIR)/$(1)-zImage'
  65         cat '$(LINUX_DIR)/arch/arm/boot/zImage' >> '$(KDIR)/$(1)-zImage'
  66 endef
  67
  68 define Image/BuildKernel/ARM/uImage
  69  # create uImage from zImage
  70  # parameters: 1 = machine name
  71         # $(BOARD) kernel uImage for $(1)
  72         '$(STAGING_DIR_HOST)/bin/mkimage' -A arm -O linux -T kernel \
  73         -C none -a 0x00008000 -e 0x00008000 -n 'Linux-$(LINUX_VERSION)' \
  74         -d '$(KDIR)/$(1)-zImage' '$(KDIR)/$(1)-uImage'
  75  ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # only copy uImage for ramdisk build
  76         cp '$(KDIR)/$(1)-uImage' '$(BIN_DIR)/openwrt-$(1)-uImage'
  77  endif
  78 endef
  79
  80 define Image/BuildKernel/JFFS2uImage
  81  # create JFFS2 partition with uImage file (result is already padded to erase size)
  82  # parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
  83         # $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
  84         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  85         mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
  86         cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
  87         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
  88         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  89 endef
  90
  91 define Image/Default/FileSizeCheck
  92  # parameters: 1 = file path, 2 = maximum size in bytes
  93         [ `stat -c %s '$(1)'` -le $(2) ] || { echo '   ERROR: $(1) too big (> $(2) bytes)'; exit 1; }
  94 endef
  95
  96
  97 ###
  98 ### Image/Build
  99 ###
 100
 101 define Image/Build
 102 ### Dummy comment for indented calls of Image/Build with $(1)
 103
 104  ## Prepare rootfs
 105 $(call Image/Build/$(1),$(1))
 106
 107  ## Netgear WN802T
 108 $(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
 109
 110  ## Netgear WNR854T
 111 $(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
 112
 113  ## Linksys WRT350N v2
 114 $(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
 115 endef
 116
 117 define Image/Build/squashfs
 118 $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 119 endef
 120
 121 ## generate defines for all JFFS2 block sizes
 122 define Image/Build/jffs2/sub
 123  $(eval define Image/Build/jffs2-$(1)
 124         cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
 125  endef)
 126 endef
 127
 128 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
 129
 130 define Image/Build/Default
 131  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
 132  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 133   ifeq ($(1),jffs2-$(3)k)
 134 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 135 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 136   endif
 137  else
 138   ifeq ($(1),ext4)  # EXT4: ignore
 139    # do nothing
 140   else  # do all other images
 141 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 142 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 143   endif
 144  endif
 145 endef
 146
 147 define Image/Build/Default/sysupgrade
 148  # parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
 149         # $(BOARD) $(1) sysupgrade image for $(2)
 150         ( \
 151                 dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
 152                 dd if='$(KDIR)/root.$(1)'; \
 153         ) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
 154 endef
 155
 156 define Image/Build/Default/factory
 157  # parameters: 1 = rootfs type, 2 = machine name, 3 = header
 158         # $(BOARD) $(1) factory upgrade image for $(2)
 159         '$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 160 endef
 161
 162 ##
 163 ## Image/Build/Linksys
 164 ##
 165
 166 define Image/Build/Linksys/wrt350nv2
 167  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
 168  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 169   ifeq ($(1),jffs2-$(3)k)
 170 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 171 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 172   endif
 173  else
 174   ifeq ($(1),ext4)  # EXT4: ignore
 175    # do nothing
 176   else  # do all other images
 177 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 178 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 179   endif
 180  endif
 181 endef
 182
 183 define Image/Build/Linksys/wrt350nv2-builder
 184  # parameters: 1 = rootfs type, 2 = machine name
 185         # $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
 186         rm -rf '$(TMP_DIR)/$(2)_factory'
 187         mkdir '$(TMP_DIR)/$(2)_factory'
 188  # create parameter file
 189         echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
 190         [ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
 191                 echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 192         )
 193         echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
 194  # create bin file for recovery and factory image
 195         ( \
 196                 cd '$(TMP_DIR)/$(2)_factory'; \
 197                 '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 198         )
 199  # copy bin file as recovery image
 200         $(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin'
 201  # create factory image for stock firmware update mechanism
 202         ( \
 203                 cd '$(TMP_DIR)/$(2)_factory'; \
 204                 zip 'wrt350n.zip' 'wrt350n.bin'; \
 205         )
 206         '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 207         rm -rf '$(TMP_DIR)/$(2)_factory'
 208 endef
 209
 210
 211 ###
 212 ### Image/PreReq
 213 ###
 214
 215 ## Dependency for WRT350N v2 factory image
 216 $(eval $(call RequireCommand,zip, \
 217         Please install zip. \
 218 ))