target/linux/orion/image/generic.mk

   1 #
   2 # Copyright (C) 2008-2012 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 $(call xyz) AS THIS MAY CHANGE THE CONTEXT
   9 ### OF THE FIRST LINE IN THE CALLED VARIABLE (NOTE: variable!)
  10 ### see http://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
  11 ### ACTUALLY IT IS A SIMPLE MACRO EXPANSION
  12
  13 ### use round brackets for make variables, and curly brackets for shell variables
  14
  15
  16 ## Kernel mtd partition size in KiB
  17 KERNEL_MTD_SIZE:=1024
  18
  19 # Netgear WNR854T: erase size is 128KiB = 0x00020000 = 131072
  20 ERASE_SIZE_128K:=128
  21
  22 # Linksys WRT350N v2: erase size is 64KiB = 0x00010000 = 65536
  23 ERASE_SIZE_64K:=64
  24
  25 # define JFFS2 sizes for include/image.mk
  26 JFFS2_BLOCKSIZE:=64k 128k
  27
  28
  29 ###
  30 ### Image/Prepare
  31 ###
  32
  33 define Image/Prepare
  34 ### Dummy comment for indented calls of Image/Prepare
  35         cp '$(LINUX_DIR)/arch/arm/boot/zImage' '$(BIN_DIR)/$(IMG_PREFIX)-zImage'
  36 endef
  37
  38
  39 ###
  40 ### Image/BuildKernel
  41 ###
  42
  43 define Image/BuildKernel
  44 ### Dummy comment for indented calls of Image/BuildKernel
  45
  46  ## Netgear WN802T: mach id 3306 (0x0cea)
  47 $(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3")
  48 $(call Image/BuildKernel/ARM/uImage,wn802t)
  49  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  50 $(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),uImage)
  51 $(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  52  endif
  53
  54  ## Netgear WNR854T: mach id 1801 (0x0709)
  55 $(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
  56 $(call Image/BuildKernel/ARM/uImage,wnr854t)
  57  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  58 $(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),uImage)
  59 $(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  60  endif
  61
  62  ## Linksys WRT350N v2: mach id 1633 (0x0661)
  63 $(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
  64 $(call Image/BuildKernel/ARM/uImage,wrt350nv2)
  65  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  66 $(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  67  endif
  68 endef
  69
  70 define Image/BuildKernel/ARM/zImage
  71  # merge machine id and regular zImage into one file
  72  # parameters: 1 = machine name, 2 = machine id as string in quotes
  73         # $(BOARD) kernel zImage for $(1)
  74         echo -en $(2) > '$(KDIR)/$(1)-zImage'
  75         cat '$(LINUX_DIR)/arch/arm/boot/zImage' >> '$(KDIR)/$(1)-zImage'
  76         cp '$(KDIR)/$(1)-zImage' '$(BIN_DIR)/openwrt-$(1)-zImage'
  77 endef
  78
  79 define Image/BuildKernel/ARM/uImage
  80  # create uImage from zImage
  81  # parameters: 1 = machine name
  82         # $(BOARD) kernel uImage for $(1)
  83         '$(STAGING_DIR_HOST)/bin/mkimage' -A arm -O linux -T kernel \
  84         -C none -a 0x00008000 -e 0x00008000 -n 'Linux-$(LINUX_VERSION)' \
  85         -d '$(KDIR)/$(1)-zImage' '$(KDIR)/$(1)-uImage'
  86         cp '$(KDIR)/$(1)-uImage' '$(BIN_DIR)/openwrt-$(1)-uImage'
  87 endef
  88
  89 define Image/BuildKernel/JFFS2uImage
  90  # create JFFS2 partition with uImage file (result is already padded to erase size)
  91  # parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
  92         # $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
  93         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  94         mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
  95         cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
  96         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
  97         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  98 endef
  99
 100 define Image/Default/FileSizeCheck
 101  # parameters: 1 = file path, 2 = maximum size in bytes
 102         [ `stat -c %s '$(1)'` -le $(2) ] || { echo '   ERROR: $(1) too big (> $(2) bytes)'; exit 1; }
 103 endef
 104
 105
 106 ###
 107 ### Image/Build
 108 ###
 109
 110 define Image/Build
 111 ### Dummy comment for indented calls of Image/Build with $(1)
 112
 113  ## Prepare rootfs
 114 $(call Image/Build/$(1),$(1))
 115
 116  ## Netgear WN802T
 117 $(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
 118
 119  ## Netgear WNR854T
 120 $(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
 121
 122  ## Linksys WRT350N v2
 123 $(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
 124 endef
 125
 126 define Image/Build/squashfs
 127 $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 128         cp '$(KDIR)/root.squashfs' '$(BIN_DIR)/$(IMG_PREFIX)-root.squashfs'
 129 endef
 130
 131 ## generate defines for all JFFS2 block sizes
 132 define Image/Build/jffs2/sub
 133  $(eval define Image/Build/jffs2-$(1)
 134         cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
 135  endef)
 136 endef
 137
 138 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
 139
 140 define Image/Build/Default
 141  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
 142  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 143   ifeq ($(1),jffs2-$(3)k)
 144 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 145 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 146   endif
 147  else
 148   ifeq ($(1),ext4)  # EXT4: ignore
 149    # do nothing
 150   else  # do all other images
 151 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 152 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 153   endif
 154  endif
 155 endef
 156
 157 define Image/Build/Default/sysupgrade
 158  # parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
 159         # $(BOARD) $(1) sysupgrade image for $(2)
 160         ( \
 161                 dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
 162                 dd if='$(KDIR)/root.$(1)'; \
 163         ) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
 164 endef
 165
 166 define Image/Build/Default/factory
 167  # parameters: 1 = rootfs type, 2 = machine name, 3 = header
 168         # $(BOARD) $(1) factory upgrade image for $(2)
 169         '$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 170 endef
 171
 172 ##
 173 ## Image/Build/Linksys
 174 ##
 175
 176 define Image/Build/Linksys/wrt350nv2
 177  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
 178  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 179   ifeq ($(1),jffs2-$(3)k)
 180 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 181 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 182   endif
 183  else
 184   ifeq ($(1),ext4)  # EXT4: ignore
 185    # do nothing
 186   else  # do all other images
 187 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 188 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 189   endif
 190  endif
 191 endef
 192
 193 define Image/Build/Linksys/wrt350nv2-builder
 194  # parameters: 1 = rootfs type, 2 = machine name
 195         # $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
 196         rm -rf '$(TMP_DIR)/$(2)_factory'
 197         mkdir '$(TMP_DIR)/$(2)_factory'
 198  # create parameter file
 199         echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
 200         [ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
 201                 echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 202         )
 203         echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
 204  # create bin file for recovery and factory image
 205         ( \
 206                 cd '$(TMP_DIR)/$(2)_factory'; \
 207                 '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 208         )
 209  # copy bin file as recovery image
 210         $(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin'
 211  # create factory image for stock firmware update mechanism
 212         ( \
 213                 cd '$(TMP_DIR)/$(2)_factory'; \
 214                 zip 'wrt350n.zip' 'wrt350n.bin'; \
 215         )
 216         '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 217         rm -rf '$(TMP_DIR)/$(2)_factory'
 218 endef
 219
 220
 221 ###
 222 ### Image/PreReq
 223 ###
 224
 225 ## Dependency for WRT350N v2 factory image
 226 $(eval $(call RequireCommand,zip, \
 227         Please install zip. \
 228 ))