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
  26
  27 loadaddr-y := 0x80000000
  28 loadaddr-$(CONFIG_TARGET_ramips_rt288x) := 0x88000000
  29 loadaddr-$(CONFIG_TARGET_ramips_mt7621) := 0x80001000
  30
  31 KERNEL_LOADADDR := $(loadaddr-y)
  32
  33 KERNEL_DTB = kernel-bin | patch-dtb | lzma
  34 define Device/Default
  35   PROFILES = Default $$(DTS)
  36   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DTS).dts)
  37   KERNEL := $(KERNEL_DTB) | uImage lzma
  38   IMAGES := sysupgrade.bin
  39   IMAGE_SIZE := $(ralink_default_fw_size_8M)
  40   SUPPORTED_DEVICES = $(1)
  41   sysupgrade_bin := append-kernel | append-rootfs | pad-rootfs
  42   IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
  43 endef
  44
  45 define Build/patch-dtb
  46         $(call Image/BuildDTB,../dts/$(DTS).dts,$@.dtb)
  47         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
  48 endef
  49
  50 define Build/trx
  51         $(STAGING_DIR_HOST)/bin/trx \
  52                 -o $@ \
  53                 -m $(IMAGE_SIZE) \
  54                 -f $(IMAGE_KERNEL) \
  55                 -a 4 -f $(IMAGE_ROOTFS)
  56 endef
  57
  58 define Build/relocate-kernel
  59         ( \
  60                 dd if=$(KDIR)/loader.bin bs=32 conv=sync && \
  61                 perl -e '@s = stat("$@"); print pack("V", @s[7])' && \
  62                 cat $@ \
  63         ) > $@.new
  64         mv $@.new $@
  65 endef
  66
  67 define MkCombineduImage
  68         $(call PatchKernelLzma,$(2),$(3))
  69         if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt `expr $(4) - 64` ]; then \
  70                 echo "Warning: $(KDIR)/vmlinux-$(2).bin.lzma is too big" >&2; \
  71         else if [ `stat -c%s "$(KDIR)/root.$(1)"` -gt $(5) ]; then \
  72                 echo "Warning: $(KDIR)/root.$(1) is too big" >&2; \
  73         else \
  74                 ( dd if=$(KDIR)/vmlinux-$(2).bin.lzma bs=`expr $(4) - 64` conv=sync ; dd if=$(KDIR)/root.$(1) ) > $(KDIR)/vmlinux-$(2).bin.lzma.combined ; \
  75         fi ; fi
  76         $(call MkImage,lzma,$(KDIR)/vmlinux-$(2).bin.lzma.combined,$(call sysupname,$(1),$(2)),$(6))
  77 endef
  78
  79 define Build/umedia-header
  80         fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
  81 endef
  82
  83 define Build/edimax-header
  84         $(STAGING_DIR_HOST)/bin/mkedimaximg -i $@ -o $@.new $(1)
  85         @mv $@.new $@
  86 endef
  87
  88 define Build/senao-header
  89         $(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
  90         mv $@.new $@
  91 endef
  92
  93 define Build/seama
  94         $(STAGING_DIR_HOST)/bin/seama -i $@ $(1)
  95         mv $@.seama $@
  96 endef
  97
  98 define Build/seama-seal
  99         $(call Build/seama,-s $@.seama $(1))
 100 endef
 101
 102 #
 103 # The real magic happens inside these templates
 104 #
 105 # $(1), compression method
 106 # $(2), filename of image data
 107 # $(3), output filename
 108 define MkImage
 109         $(eval imagename=$(if $(4),$(4),MIPS OpenWrt Linux-$(LINUX_VERSION)))
 110         -mkimage -A mips -O linux -T kernel -C $(1) -a $(loadaddr-y) -e $(loadaddr-y) \
 111                 -n "$(imagename)" \
 112                 -d $(2) $(3)
 113 endef
 114
 115 define CompressLzma
 116         $(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
 117 endef
 118
 119 define MkImageSysupgrade/squashfs
 120         $(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
 121         cat $(KDIR)/vmlinux-$(2).uImage $(KDIR)/root.$(1) > $(KDIR)/$(output_name)
 122         $(call prepare_generic_squashfs,$(KDIR)/$(output_name))
 123         if [ `stat -c%s "$(KDIR)/$(output_name)"` -gt $(3) ]; then \
 124                 echo "Warning: $(KDIR)/$(output_name) is too big" >&2; \
 125         else \
 126                 $(CP) $(KDIR)/$(output_name) $(BIN_DIR)/$(output_name); \
 127         fi
 128 endef
 129
 130 # $(1), lowercase board name like "mt7620a_v22sg"
 131 # $(2), DTS filename without .dts extension
 132 # $(3), optional filename suffix, e.g. "-initramfs"
 133 define PatchKernelLzmaDtb
 134         cp $(KDIR)/vmlinux$(3) $(KDIR)/vmlinux-$(1)$(3)
 135         $(call Image/BuildDTB,../dts/$(2).dts,$(KDIR)/$(2).dtb)
 136         $(STAGING_DIR_HOST)/bin/patch-dtb $(KDIR)/vmlinux-$(1)$(3) $(KDIR)/$(2).dtb
 137         $(call CompressLzma,$(KDIR)/vmlinux-$(1)$(3),$(KDIR)/vmlinux-$(1)$(3).bin.lzma)
 138 endef
 139
 140 # $(1), lowercase board name
 141 # $(2), DTS filename without .dts extension
 142 # $(3), ih_name field of uImage header
 143 # $(4), optional filename suffix, e.g. "-initramfs"
 144 define MkImageLzmaDtb
 145         $(call PatchKernelLzmaDtb,$(1),$(2),$(4))
 146         $(call MkImage,lzma,$(KDIR)/vmlinux-$(1)$(4).bin.lzma,$(KDIR)/vmlinux-$(1)$(4).uImage,$(3))
 147 endef
 148
 149 # $(1), Rootfs type, e.g. squashfs
 150 # $(2), lowercase board name
 151 # $(3), DTS filename without .dts extension
 152 # $(4), maximum size of sysupgrade image
 153 # $(5), uImage header's ih_name field
 154 define BuildFirmware/OF
 155         $(call MkImageLzmaDtb,$(2),$(3),$(5))
 156         $(call MkImageSysupgrade/$(1),$(1),$(2),$(4),$(6))
 157 endef
 158
 159 # $(1), squashfs/initramfs
 160 # $(2), lowercase board name
 161 # $(3), DTS filename without .dts extension
 162 # $(4), ih_name field of uImage header
 163 define BuildFirmware/OF/initramfs
 164         $(call MkImageLzmaDtb,$(2),$(3),$(4),-initramfs)
 165         $(CP) $(KDIR)/vmlinux-$(2)-initramfs.uImage $(call imgname,$(1),$(2))-uImage.bin
 166 endef
 167
 168 # Build images for default ralink layout for 4MB flash
 169 # kernel + roots = 0x3b0000
 170 # $(1) = squashfs/initramfs
 171 # $(2) = lowercase board name
 172 # $(3) = dts file
 173 ralink_default_fw_size_4M=3866624
 174 BuildFirmware/Default4M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_4M),$(4))
 175 BuildFirmware/Default4M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 176
 177 # Build images for default ralink layout for 8MB flash
 178 # kernel + roots = 0x7b0000
 179 # $(1) = squashfs/initramfs
 180 # $(2) = lowercase board name
 181 # $(3) = dts file
 182 # $(4) = uImage header name field
 183 ralink_default_fw_size_8M=8060928
 184 BuildFirmware/Default8M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_8M),$(4))
 185 BuildFirmware/Default8M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 186
 187 ralink_default_fw_size_16M=16121856
 188 BuildFirmware/Default16M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_16M),$(4))
 189 BuildFirmware/Default16M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 190
 191 ralink_default_fw_size_32M=33226752
 192 BuildFirmware/Default32M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_32M),$(4))
 193 BuildFirmware/Default32M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 194
 195 # Build images for a custom sized flash layout
 196 # $(1) = squashfs/initramfs
 197 # $(2) = lowercase board name
 198 # $(3) = dts file
 199 # $(4) = kernel + rootfs size
 200 BuildFirmware/CustomFlash/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(4),$(5),$(6))
 201 BuildFirmware/CustomFlash/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3))
 202
 203 # Some boards need a special header inside the uImage to make them bootable
 204 define BuildFirmware/CustomFlashFactory/squashfs
 205         $(call BuildFirmware/CustomFlash/$(1),$(1),$(2),$(3),$(4))
 206         $(call BuildFirmware/CustomFlash/$(1),$(1),$(2),$(3),$(4),$(5),$(6))
 207 endef
 208 BuildFirmware/CustomFlashFactory/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3))
 209
 210 # wrappers for boards that have 4MB and 8MB versions
 211 define BuildFirmware/DefaultDualSize/squashfs
 212         $(call BuildFirmware/Default4M/$(1),$(1),$(2)-4M,$(3)-4M)
 213         $(call BuildFirmware/Default8M/$(1),$(1),$(2)-8M,$(3)-8M)
 214 endef
 215 define BuildFirmware/DefaultDualSize/initramfs
 216         $(call BuildFirmware/OF/initramfs,$(1),$(2)-4M,$(3)-4M)
 217         $(call BuildFirmware/OF/initramfs,$(1),$(2)-8M,$(3)-8M)
 218 endef
 219
 220 define BuildFirmware/PorayDualSize/squashfs
 221         $(call BuildFirmware/DefaultDualSize/$(1),$(1),$(2),$(3))
 222         if [ -e "$(call sysupname,$(1),$(2)-4M)" ]; then \
 223                 mkporayfw -B $(3) -F 4M \
 224                         -f $(call sysupname,$(1),$(2)-4M) \
 225                         -o $(call imgname,$(1),$(2)-4M)-factory.bin; \
 226         fi
 227         if [ -e "$(call sysupname,$(1),$(2)-8M)" ]; then \
 228                 mkporayfw -B $(3) -F 8M \
 229                         -f $(call sysupname,$(1),$(2)-8M) \
 230                         -o $(call imgname,$(1),$(2)-8M)-factory.bin; \
 231         fi
 232 endef
 233 BuildFirmware/PorayDualSize/initramfs=$(call BuildFirmware/DefaultDualSize/initramfs,$(1),$(2),$(3))
 234
 235
 236 ifeq ($(SUBTARGET),rt288x)
 237 include rt288x.mk
 238 endif
 239
 240 ifeq ($(SUBTARGET),rt305x)
 241 include rt305x.mk
 242 include rt305x-legacy.mk
 243 endif
 244
 245 ifeq ($(SUBTARGET),rt3883)
 246 include rt3883.mk
 247 endif
 248
 249 ifeq ($(SUBTARGET),mt7620)
 250 include mt7620.mk
 251 endif
 252
 253 ifeq ($(SUBTARGET),mt7621)
 254 include mt7621.mk
 255 endif
 256
 257 ifeq ($(SUBTARGET),mt7628)
 258 include mt7628.mk
 259 endif
 260
 261 ifeq ($(SUBTARGET),mt7688)
 262 include mt7688.mk
 263 endif
 264
 265 ifdef LEGACY_DEVICES
 266 #
 267 # Generic Targets - only needed for legacy image building code
 268 #
 269 define Image/BuildKernel
 270         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(VMLINUX).elf
 271         cp $(KDIR)/vmlinux $(BIN_DIR)/$(VMLINUX).bin
 272         $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
 273         $(call MkImage,lzma,$(KDIR)/vmlinux.bin.lzma,$(KDIR)/uImage.lzma)
 274         cp $(KDIR)/uImage.lzma $(BIN_DIR)/$(UIMAGE).bin
 275 endef
 276
 277 define Image/BuildKernel/Initramfs
 278         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(VMLINUX)-initramfs.elf
 279         cp $(KDIR)/vmlinux-initramfs $(BIN_DIR)/$(VMLINUX)-initramfs.bin
 280         $(call CompressLzma,$(KDIR)/vmlinux-initramfs,$(KDIR)/vmlinux-initramfs.bin.lzma)
 281         $(call MkImage,lzma,$(KDIR)/vmlinux-initramfs.bin.lzma,$(KDIR)/uImage-initramfs.lzma)
 282         cp $(KDIR)/uImage-initramfs.lzma $(BIN_DIR)/$(UIMAGE)-initramfs.bin
 283         $(call Image/Build/Initramfs)
 284 endef
 285
 286 define Image/Build
 287         $(call Image/Build/$(1))
 288         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
 289 endef
 290
 291 define Image/Build/Profile
 292         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/Build/Profile/$(1),initramfs))
 293         $(call Image/Build/Profile/$(1),$(2))
 294 endef
 295
 296 endif
 297
 298 $(eval $(call BuildImage))