target/linux/ramips/image/Makefile

   1 #
   2 # Copyright (C) 2008-2011 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9
  10 define imgname
  11 $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1)
  12 endef
  13
  14 define sysupname
  15 $(call imgname,$(1),$(2))-sysupgrade.bin
  16 endef
  17
  18 VMLINUX:=$(IMG_PREFIX)-vmlinux
  19 UIMAGE:=$(IMG_PREFIX)-uImage
  20
  21 define Image/Build/Initramfs
  22         $(call Image/Build/Profile/$(PROFILE),initramfs)
  23 endef
  24
  25 DEVICE_VARS += DTS IMAGE_SIZE NETGEAR_BOARD_ID NETGEAR_HW_ID
  26 DEVICE_VARS += BUFFALO_TAG_PLATFORM BUFFALO_TAG_VERSION BUFFALO_TAG_MINOR
  27
  28 loadaddr-y := 0x80000000
  29 loadaddr-$(CONFIG_TARGET_ramips_rt288x) := 0x88000000
  30 loadaddr-$(CONFIG_TARGET_ramips_mt7621) := 0x80001000
  31
  32 KERNEL_LOADADDR := $(loadaddr-y)
  33
  34 KERNEL_DTB = kernel-bin | patch-dtb | lzma
  35 define Device/Default
  36   PROFILES = Default $$(DTS)
  37   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DTS).dts)
  38   KERNEL := $(KERNEL_DTB) | uImage lzma
  39   IMAGES := sysupgrade.bin
  40   IMAGE_SIZE := $(ralink_default_fw_size_8M)
  41   SUPPORTED_DEVICES = $(1)
  42   sysupgrade_bin := append-kernel | append-rootfs | pad-rootfs
  43   IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
  44 endef
  45
  46 define Build/patch-dtb
  47         $(call Image/BuildDTB,../dts/$(DTS).dts,$@.dtb)
  48         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
  49 endef
  50
  51 define Build/trx
  52         $(STAGING_DIR_HOST)/bin/trx $(1) \
  53                 -o $@ \
  54                 -m $(IMAGE_SIZE) \
  55                 -f $(IMAGE_KERNEL) \
  56                 -a 4 -f $(IMAGE_ROOTFS)
  57 endef
  58
  59 define Build/relocate-kernel
  60         ( \
  61                 dd if=$(KDIR)/loader.bin bs=32 conv=sync && \
  62                 perl -e '@s = stat("$@"); print pack("V", @s[7])' && \
  63                 cat $@ \
  64         ) > $@.new
  65         mv $@.new $@
  66 endef
  67
  68 define MkCombineduImage
  69         $(call PatchKernelLzma,$(2),$(3))
  70         if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt `expr $(4) - 64` ]; then \
  71                 echo "Warning: $(KDIR)/vmlinux-$(2).bin.lzma is too big" >&2; \
  72         else if [ `stat -c%s "$(KDIR)/root.$(1)"` -gt $(5) ]; then \
  73                 echo "Warning: $(KDIR)/root.$(1) is too big" >&2; \
  74         else \
  75                 ( dd if=$(KDIR)/vmlinux-$(2).bin.lzma bs=`expr $(4) - 64` conv=sync ; dd if=$(KDIR)/root.$(1) ) > $(KDIR)/vmlinux-$(2).bin.lzma.combined ; \
  76         fi ; fi
  77         $(call MkImage,lzma,$(KDIR)/vmlinux-$(2).bin.lzma.combined,$(call sysupname,$(1),$(2)),$(6))
  78 endef
  79
  80 define Build/umedia-header
  81         fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
  82 endef
  83
  84 define Build/edimax-header
  85         $(STAGING_DIR_HOST)/bin/mkedimaximg -i $@ -o $@.new $(1)
  86         @mv $@.new $@
  87 endef
  88
  89 define Build/poray-header
  90         $(STAGING_DIR_HOST)/bin/mkporayfw $(1) -f $@ -o $@.new
  91         mv $@.new $@
  92 endef
  93
  94 define Build/senao-header
  95         $(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
  96         mv $@.new $@
  97 endef
  98
  99 define Build/seama
 100         $(STAGING_DIR_HOST)/bin/seama -i $@ $(1)
 101         mv $@.seama $@
 102 endef
 103
 104 define Build/seama-seal
 105         $(call Build/seama,-s $@.seama $(1))
 106 endef
 107
 108 define Build/wrg-header
 109         mkwrgimg -i $@ -d "/dev/mtdblock/2" -s $(1) -o $@.new
 110         mv $@.new $@
 111 endef
 112
 113 #
 114 # The real magic happens inside these templates
 115 #
 116 # $(1), compression method
 117 # $(2), filename of image data
 118 # $(3), output filename
 119 define MkImage
 120         $(eval imagename=$(if $(4),$(4),MIPS OpenWrt Linux-$(LINUX_VERSION)))
 121         -mkimage -A mips -O linux -T kernel -C $(1) -a $(loadaddr-y) -e $(loadaddr-y) \
 122                 -n "$(imagename)" \
 123                 -d $(2) $(3)
 124 endef
 125
 126 define CompressLzma
 127         $(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
 128 endef
 129
 130 define MkImageSysupgrade/squashfs
 131         $(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
 132         cat $(KDIR)/vmlinux-$(2).uImage $(KDIR)/root.$(1) > $(KDIR)/$(output_name)
 133         $(call prepare_generic_squashfs,$(KDIR)/$(output_name))
 134         if [ `stat -c%s "$(KDIR)/$(output_name)"` -gt $(3) ]; then \
 135                 echo "Warning: $(KDIR)/$(output_name) is too big" >&2; \
 136         else \
 137                 $(CP) $(KDIR)/$(output_name) $(BIN_DIR)/$(output_name); \
 138         fi
 139 endef
 140
 141 # $(1), lowercase board name like "mt7620a_v22sg"
 142 # $(2), DTS filename without .dts extension
 143 # $(3), optional filename suffix, e.g. "-initramfs"
 144 define PatchKernelLzmaDtb
 145         cp $(KDIR)/vmlinux$(3) $(KDIR)/vmlinux-$(1)$(3)
 146         $(call Image/BuildDTB,../dts/$(2).dts,$(KDIR)/$(2).dtb)
 147         $(STAGING_DIR_HOST)/bin/patch-dtb $(KDIR)/vmlinux-$(1)$(3) $(KDIR)/$(2).dtb
 148         $(call CompressLzma,$(KDIR)/vmlinux-$(1)$(3),$(KDIR)/vmlinux-$(1)$(3).bin.lzma)
 149 endef
 150
 151 # $(1), lowercase board name
 152 # $(2), DTS filename without .dts extension
 153 # $(3), ih_name field of uImage header
 154 # $(4), optional filename suffix, e.g. "-initramfs"
 155 define MkImageLzmaDtb
 156         $(call PatchKernelLzmaDtb,$(1),$(2),$(4))
 157         $(call MkImage,lzma,$(KDIR)/vmlinux-$(1)$(4).bin.lzma,$(KDIR)/vmlinux-$(1)$(4).uImage,$(3))
 158 endef
 159
 160 # $(1), Rootfs type, e.g. squashfs
 161 # $(2), lowercase board name
 162 # $(3), DTS filename without .dts extension
 163 # $(4), maximum size of sysupgrade image
 164 # $(5), uImage header's ih_name field
 165 define BuildFirmware/OF
 166         $(call MkImageLzmaDtb,$(2),$(3),$(5))
 167         $(call MkImageSysupgrade/$(1),$(1),$(2),$(4),$(6))
 168 endef
 169
 170 # $(1), squashfs/initramfs
 171 # $(2), lowercase board name
 172 # $(3), DTS filename without .dts extension
 173 # $(4), ih_name field of uImage header
 174 define BuildFirmware/OF/initramfs
 175         $(call MkImageLzmaDtb,$(2),$(3),$(4),-initramfs)
 176         $(CP) $(KDIR)/vmlinux-$(2)-initramfs.uImage $(call imgname,$(1),$(2))-uImage.bin
 177 endef
 178
 179 # Build images for default ralink layout for 4MB flash
 180 # kernel + roots = 0x3b0000
 181 # $(1) = squashfs/initramfs
 182 # $(2) = lowercase board name
 183 # $(3) = dts file
 184 ralink_default_fw_size_4M=3866624
 185 BuildFirmware/Default4M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_4M),$(4))
 186 BuildFirmware/Default4M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 187
 188 ralink_default_fw_size_8M=8060928
 189 ralink_default_fw_size_16M=16121856
 190 ralink_default_fw_size_32M=33226752
 191
 192
 193 ifeq ($(SUBTARGET),rt288x)
 194 include rt288x.mk
 195 endif
 196
 197 ifeq ($(SUBTARGET),rt305x)
 198 include rt305x.mk
 199 include rt305x-legacy.mk
 200 endif
 201
 202 ifeq ($(SUBTARGET),rt3883)
 203 include rt3883.mk
 204 endif
 205
 206 ifeq ($(SUBTARGET),mt7620)
 207 include mt7620.mk
 208 endif
 209
 210 ifeq ($(SUBTARGET),mt7621)
 211 include mt7621.mk
 212 endif
 213
 214 ifeq ($(SUBTARGET),mt7628)
 215 include mt7628.mk
 216 endif
 217
 218 ifeq ($(SUBTARGET),mt7688)
 219 include mt7688.mk
 220 endif
 221
 222 ifdef LEGACY_DEVICES
 223 #
 224 # Generic Targets - only needed for legacy image building code
 225 #
 226 define Image/BuildKernel
 227         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(VMLINUX).elf
 228         cp $(KDIR)/vmlinux $(BIN_DIR)/$(VMLINUX).bin
 229         $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
 230         $(call MkImage,lzma,$(KDIR)/vmlinux.bin.lzma,$(KDIR)/uImage.lzma)
 231         cp $(KDIR)/uImage.lzma $(BIN_DIR)/$(UIMAGE).bin
 232 endef
 233
 234 define Image/BuildKernel/Initramfs
 235         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(VMLINUX)-initramfs.elf
 236         cp $(KDIR)/vmlinux-initramfs $(BIN_DIR)/$(VMLINUX)-initramfs.bin
 237         $(call CompressLzma,$(KDIR)/vmlinux-initramfs,$(KDIR)/vmlinux-initramfs.bin.lzma)
 238         $(call MkImage,lzma,$(KDIR)/vmlinux-initramfs.bin.lzma,$(KDIR)/uImage-initramfs.lzma)
 239         cp $(KDIR)/uImage-initramfs.lzma $(BIN_DIR)/$(UIMAGE)-initramfs.bin
 240         $(call Image/Build/Initramfs)
 241 endef
 242
 243 define Image/Build
 244         $(call Image/Build/$(1))
 245         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
 246 endef
 247
 248 define Image/Build/Profile
 249         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/Build/Profile/$(1),initramfs))
 250         $(call Image/Build/Profile/$(1),$(2))
 251 endef
 252
 253 endif
 254
 255 $(eval $(call BuildImage))