target/linux/orion/image/generic.mk

   1 #
   2 # Copyright (C) 2008-2015 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:=1280
  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 $(call Image/BuildKernel/ARM/uImage,wn802t)
  39 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  40 $(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3",-initramfs)
  41 $(call Image/BuildKernel/ARM/uImage,wn802t,-initramfs)
  42 endif
  43  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  44 $(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),uImage)
  45 $(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  46  endif
  47
  48  ## Netgear WNR854T: mach id 1801 (0x0709)
  49 $(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
  50 $(call Image/BuildKernel/ARM/uImage,wnr854t)
  51 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  52 $(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3",-initramfs)
  53 $(call Image/BuildKernel/ARM/uImage,wnr854t,-initramfs)
  54 endif
  55  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  56 $(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),uImage)
  57 $(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  58  endif
  59
  60  ## Linksys WRT350N v2: mach id 1633 (0x0661)
  61 $(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
  62 $(call Image/BuildKernel/ARM/uImage,wrt350nv2)
  63 ifeq ($($CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  64 $(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3",-initramfs)
  65 $(call Image/BuildKernel/ARM/uImage,wrt350nv2-initramfs)
  66 endif
  67  ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
  68 $(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
  69  endif
  70 endef
  71
  72 define Image/BuildKernel/ARM/zImage
  73  # merge machine id and regular zImage into one file
  74  # parameters: 1 = machine name, 2 = machine id as string in quotes
  75         # $(BOARD) kernel zImage for $(1)
  76         echo -en $(2) > '$(KDIR)/$(1)-zImage$(3)'
  77         cat '$(KDIR)/zImage$(3)' >> '$(KDIR)/$(1)-zImage$(3)'
  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)/$(1)-zImage$(2)' '$(KDIR)/$(1)-uImage$(2)'
  87  ifeq ($(2),-initramfs) # only copy uImage for ramdisk build
  88         cp '$(KDIR)/$(1)-uImage-initramfs' '$(BIN_DIR)/openwrt-$(1)-uImage-initramfs'
  89  endif
  90 endef
  91
  92 define Image/BuildKernel/JFFS2uImage
  93  # create JFFS2 partition with uImage file (result is already padded to erase size)
  94  # parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
  95         # $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
  96         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
  97         mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
  98         cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
  99         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
 100         rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
 101 endef
 102
 103 define Image/Default/FileSizeCheck
 104  # parameters: 1 = file path, 2 = maximum size in bytes
 105         [ `stat -c %s '$(1)'` -le $(2) ] || { echo '   ERROR: $(1) too big (> $(2) bytes)'; exit 1; }
 106 endef
 107
 108
 109 ###
 110 ### Image/Build
 111 ###
 112
 113 define Image/Build
 114 ### Dummy comment for indented calls of Image/Build with $(1)
 115
 116  ## Prepare rootfs
 117 $(call Image/Build/$(1),$(1))
 118
 119  ## Netgear WN802T
 120 $(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
 121
 122  ## Netgear WNR854T
 123 $(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
 124
 125  ## Linksys WRT350N v2
 126 $(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
 127 endef
 128
 129 define Image/Build/squashfs
 130 $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 131 endef
 132
 133 ## generate defines for all JFFS2 block sizes
 134 define Image/Build/jffs2/sub
 135  $(eval define Image/Build/jffs2-$(1)
 136         cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
 137  endef)
 138 endef
 139
 140 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
 141
 142 define Image/Build/Default
 143  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
 144  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 145   ifeq ($(1),jffs2-$(3)k)
 146 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 147 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 148   endif
 149  else
 150   ifeq ($(1),ext4)  # EXT4: ignore
 151    # do nothing
 152   else  # do all other images
 153 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 154 $(call Image/Build/Default/factory,$(1),$(2),$(6))
 155   endif
 156  endif
 157 endef
 158
 159 define Image/Build/Default/sysupgrade
 160  # parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
 161         # $(BOARD) $(1) sysupgrade image for $(2)
 162         ( \
 163                 dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
 164                 dd if='$(KDIR)/root.$(1)'; \
 165         ) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
 166 endef
 167
 168 define Image/Build/Default/factory
 169  # parameters: 1 = rootfs type, 2 = machine name, 3 = header
 170         # $(BOARD) $(1) factory upgrade image for $(2)
 171         '$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 172 endef
 173
 174 ##
 175 ## Image/Build/Linksys
 176 ##
 177
 178 define Image/Build/Linksys/wrt350nv2
 179  # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
 180  ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
 181   ifeq ($(1),jffs2-$(3)k)
 182 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 183 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 184   endif
 185  else
 186   ifeq ($(1),ext4)  # EXT4: ignore
 187    # do nothing
 188   else  # do all other images
 189 $(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
 190 $(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
 191   endif
 192  endif
 193 endef
 194
 195 define Image/Build/Linksys/wrt350nv2-builder
 196  # parameters: 1 = rootfs type, 2 = machine name
 197         # $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
 198         rm -rf '$(TMP_DIR)/$(2)_factory'
 199         mkdir '$(TMP_DIR)/$(2)_factory'
 200  # create parameter file
 201         echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
 202         [ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
 203                 echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 204         )
 205         echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
 206  # create bin file for recovery and factory image
 207         ( \
 208                 cd '$(TMP_DIR)/$(2)_factory'; \
 209                 '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
 210         )
 211  # copy bin file as recovery image
 212         $(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin'
 213  # create factory image for stock firmware update mechanism
 214         ( \
 215                 cd '$(TMP_DIR)/$(2)_factory'; \
 216                 zip 'wrt350n.zip' 'wrt350n.bin'; \
 217         )
 218         '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
 219         rm -rf '$(TMP_DIR)/$(2)_factory'
 220 endef
 221
 222
 223 ###
 224 ### Image/PreReq
 225 ###
 226
 227 ## Dependency for WRT350N v2 factory image
 228 $(eval $(call RequireCommand,zip, \
 229         Please install zip. \
 230 ))