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 $(call xyz) AS THIS MAY CHANGE THE CONTEXT
   9 ### OF THE FIRST LINE IN THE CALLED VARIABLE (NOTE: variable!)
  10 ### see http://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
  11 ### ACTUALLY IT IS A SIMPLE MACRO EXPANSION
  12
  13 ### use round brackets for make variables, and curly brackets for shell variables
  14
  15
  16 ## Kernel mtd partition size in KiB
  17 KERNEL_MTD_SIZE:=1024
  18
  19 # Netgear WNR854T: erase size is 128KiB = 0x00020000 = 131072
  20 ERASE_SIZE_128K:=128
  21 UIMAGE_FILE_NAME_WNR854T:=uImage
  22
  23 # Linksys WRT350N v2: erase size is 64KiB = 0x00010000 = 65536
  24 ERASE_SIZE_64K:=64
  25
  26 # define JFFS2 sizes for include/image.mk
  27 JFFS2_BLOCKSIZE:=64k 128k
  28
  29
  30 ###
  31 ### Image/Prepare
  32 ###
  33
  34 define Image/Prepare
  35 ### Dummy comment for indented calls of Image/Prepare
  36         cp '$(LINUX_DIR)/arch/arm/boot/zImage' '$(BIN_DIR)/$(IMG_PREFIX)-zImage'
  37 endef
  38
  39
  40 ###
  41 ### Image/BuildKernel
  42 ###
  43
  44 define Image/BuildKernel
  45 ### Dummy comment for indented calls of Image/BuildKernel
  46
  47  ## Netgear WN802T: mach id 3306 (0x0cea)
  48 $(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3")
  49 $(call Image/BuildKernel/ARM/uImage,wn802t)
  50  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  51 $(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),$(UIMAGE_FILE_NAME_WNR854T))
  52 $(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  53  endif
  54
  55  ## Netgear WNR854T: mach id 1801 (0x0709)
  56 $(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
  57 $(call Image/BuildKernel/ARM/uImage,wnr854t)
  58  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  59 $(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),$(UIMAGE_FILE_NAME_WNR854T))
  60 $(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  61  endif
  62
  63  ## Linksys WRT350N v2: mach id 1633 (0x0661)
  64 $(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
  65 $(call Image/BuildKernel/ARM/uImage,wrt350nv2)
  66  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  67 $(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  68  endif
  69 endef
  70
  71 define Image/BuildKernel/ARM/zImage
  72  # merge machine id and regular zImage into one file
  73  # parameters: 1 = machine name, 2 = machine id as string in quotes
  74         # $(BOARD) kernel zImage for $(1)
  75         echo -en $(2) > '$(KDIR)/$(1)-zImage'
  76         cat '$(LINUX_DIR)/arch/arm/boot/zImage' >> '$(KDIR)/$(1)-zImage'
  77         cp '$(KDIR)/$(1)-zImage' '$(BIN_DIR)/openwrt-$(1)-zImage'
  78 endef
  79
  80 define Image/BuildKernel/ARM/uImage
  81  # create uImage from zImage
  82  # parameters: 1 = machine name
  83         # $(BOARD) kernel uImage for $(1)
  84         '$(STAGING_DIR_HOST)/bin/mkimage' -A arm -O linux -T kernel \
  85         -C none -a 0x00008000 -e 0x00008000 -n 'Linux-$(LINUX_VERSION)' \
  86         -d '$(KDIR)/$(1)-zImage' '$(KDIR)/$(1)-uImage'
  87         cp '$(KDIR)/$(1)-uImage' '$(BIN_DIR)/openwrt-$(1)-uImage'
  88 endef
  89
  90 define Image/BuildKernel/JFFS2uImage
  91  # create JFFS2 partition with uImage file (result is already padded to erase size)
  92  # parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
  93         # $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
  94         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  95         mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
  96         cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
  97         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
  98         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  99 endef
 100
 101 define Image/Default/FileSizeCheck
 102  # parameters: 1 = file path, 2 = maximum size in bytes
 103         [ `stat -c %s '$(1)'` -le $(2) ] || { echo '   ERROR: $(1) too big (> $(2) bytes)'; exit 1; }
 104 endef
 105
 106
 107 ###
 108 ### Image/Build
 109 ###
 110
 111 define Image/Build
 112 ### Dummy comment for indented calls of Image/Build with $(1)
 113
 114  ## Prepare rootfs
 115 $(call Image/Build/$(1),$(1))
 116
 117  ## Netgear WN802T
 118 $(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
 119
 120  ## Netgear WNR854T
 121 $(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
 122
 123  ## Linksys WRT350N v2
 124 $(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
 125 endef
 126
 127 define Image/Build/squashfs
 128 $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 129         cp '$(KDIR)/root.squashfs' '$(BIN_DIR)/$(IMG_PREFIX)-root.squashfs'
 130 endef
 131
 132 ## generate defines for all JFFS2 block sizes
 133 define Image/Build/jffs2/sub
 134  $(eval define Image/Build/jffs2-$(1)
 135         cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
 136  endef)
 137 endef
 138
 139 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
 140
 141 define Image/Build/Default
 142  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
 143  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 144   ifeq ($(1),jffs2-$(3)k)
 145 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 146 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 147   endif
 148  else
 149   ifeq ($(1),ext4)  # EXT4: ignore
 150    # do nothing
 151   else  # do all other images
 152 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 153 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 154   endif
 155  endif
 156 endef
 157
 158 define Image/Build/Default/sysupgrade
 159  # parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
 160         # $(BOARD) $(1) sysupgrade image for $(2)
 161         ( \
 162                 dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
 163                 dd if='$(KDIR)/root.$(1)'; \
 164         ) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
 165 endef
 166
 167 define Image/Build/Default/factory
 168  # parameters: 1 = rootfs type, 2 = machine name, 3 = header
 169         # $(BOARD) $(1) factory upgrade image for $(2)
 170         '$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 171 endef
 172
 173 ##
 174 ## Image/Build/Linksys
 175 ##
 176
 177 define Image/Build/Linksys/wrt350nv2
 178  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
 179  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 180   ifeq ($(1),jffs2-$(3)k)
 181 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 182 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 183   endif
 184  else
 185   ifeq ($(1),ext4)  # EXT4: ignore
 186    # do nothing
 187   else  # do all other images
 188 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 189 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 190   endif
 191  endif
 192 endef
 193
 194 define Image/Build/Linksys/wrt350nv2-builder
 195  # parameters: 1 = rootfs type, 2 = machine name
 196         # $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
 197         rm -rf '$(TMP_DIR)/$(2)_factory'
 198         mkdir '$(TMP_DIR)/$(2)_factory'
 199  # create parameter file
 200         echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
 201         [ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
 202                 echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 203         )
 204         echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
 205  # create bin file for recovery and factory image
 206         ( \
 207                 cd '$(TMP_DIR)/$(2)_factory'; \
 208                 '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 209         )
 210  # copy bin file as recovery image
 211         $(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin'
 212  # create factory image for stock firmware update mechanism
 213         ( \
 214                 cd '$(TMP_DIR)/$(2)_factory'; \
 215                 zip 'wrt350n.zip' 'wrt350n.bin'; \
 216         )
 217         '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 218         rm -rf '$(TMP_DIR)/$(2)_factory'
 219 endef
 220
 221
 222 ###
 223 ### Image/PreReq
 224 ###
 225
 226 ## Dependency for WRT350N v2 factory image
 227 $(eval $(call RequireCommand,zip, \
 228         Please install zip. \
 229 ))