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 KERNEL_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/$$(DTS).dts)
  37   KERNEL := $(KERNEL_DTB) | uImage lzma
  38   IMAGES := sysupgrade.bin
  39   IMAGE_SIZE := $(ralink_default_fw_size_8M)
  40   IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE)
  41 endef
  42
  43 define Build/patch-dtb
  44         $(call Image/BuildDTB,../dts/$(DTS).dts,$@.dtb)
  45         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
  46 endef
  47
  48 define Build/trx
  49         $(STAGING_DIR_HOST)/bin/trx \
  50                 -o $@ \
  51                 -m $(IMAGE_SIZE) \
  52                 -f $(IMAGE_KERNEL) \
  53                 -a 4 -f $(IMAGE_ROOTFS)
  54 endef
  55
  56 define Build/relocate-kernel
  57         ( \
  58                 dd if=$(KDIR)/loader.bin bs=32 conv=sync && \
  59                 perl -e '@s = stat("$@"); print pack("V", @s[7])' && \
  60                 cat $@ \
  61         ) > $@.new
  62         mv $@.new $@
  63 endef
  64
  65 define MkCombineduImage
  66         $(call PatchKernelLzma,$(2),$(3))
  67         if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt `expr $(4) - 64` ]; then \
  68                 echo "Warning: $(KDIR)/vmlinux-$(2).bin.lzma is too big" >&2; \
  69         else if [ `stat -c%s "$(KDIR)/root.$(1)"` -gt $(5) ]; then \
  70                 echo "Warning: $(KDIR)/root.$(1) is too big" >&2; \
  71         else \
  72                 ( dd if=$(KDIR)/vmlinux-$(2).bin.lzma bs=`expr $(4) - 64` conv=sync ; dd if=$(KDIR)/root.$(1) ) > $(KDIR)/vmlinux-$(2).bin.lzma.combined ; \
  73         fi ; fi
  74         $(call MkImage,lzma,$(KDIR)/vmlinux-$(2).bin.lzma.combined,$(call sysupname,$(1),$(2)),$(6))
  75 endef
  76
  77 define Build/umedia-header
  78         fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
  79 endef
  80
  81 #
  82 # The real magic happens inside these templates
  83 #
  84 # $(1), compression method
  85 # $(2), filename of image data
  86 # $(3), output filename
  87 define MkImage
  88         $(eval imagename=$(if $(4),$(4),MIPS OpenWrt Linux-$(LINUX_VERSION)))
  89         -mkimage -A mips -O linux -T kernel -C $(1) -a $(loadaddr-y) -e $(loadaddr-y) \
  90                 -n "$(imagename)" \
  91                 -d $(2) $(3)
  92 endef
  93
  94 define CompressLzma
  95         $(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
  96 endef
  97
  98 define MkImageSysupgrade/squashfs
  99         $(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
 100         cat $(KDIR)/vmlinux-$(2).uImage $(KDIR)/root.$(1) > $(KDIR)/$(output_name)
 101         $(call prepare_generic_squashfs,$(KDIR)/$(output_name))
 102         if [ `stat -c%s "$(KDIR)/$(output_name)"` -gt $(3) ]; then \
 103                 echo "Warning: $(KDIR)/$(output_name) is too big" >&2; \
 104         else \
 105                 $(CP) $(KDIR)/$(output_name) $(BIN_DIR)/$(output_name); \
 106         fi
 107 endef
 108
 109 # $(1), lowercase board name like "mt7620a_v22sg"
 110 # $(2), DTS filename without .dts extension
 111 # $(3), optional filename suffix, e.g. "-initramfs"
 112 define PatchKernelLzmaDtb
 113         cp $(KDIR)/vmlinux$(3) $(KDIR)/vmlinux-$(1)$(3)
 114         $(call Image/BuildDTB,../dts/$(2).dts,$(KDIR)/$(2).dtb)
 115         $(STAGING_DIR_HOST)/bin/patch-dtb $(KDIR)/vmlinux-$(1)$(3) $(KDIR)/$(2).dtb
 116         $(call CompressLzma,$(KDIR)/vmlinux-$(1)$(3),$(KDIR)/vmlinux-$(1)$(3).bin.lzma)
 117 endef
 118
 119 # $(1), lowercase board name
 120 # $(2), DTS filename without .dts extension
 121 # $(3), ih_name field of uImage header
 122 # $(4), optional filename suffix, e.g. "-initramfs"
 123 define MkImageLzmaDtb
 124         $(call PatchKernelLzmaDtb,$(1),$(2),$(4))
 125         $(call MkImage,lzma,$(KDIR)/vmlinux-$(1)$(4).bin.lzma,$(KDIR)/vmlinux-$(1)$(4).uImage,$(3))
 126 endef
 127
 128 # $(1), Rootfs type, e.g. squashfs
 129 # $(2), lowercase board name
 130 # $(3), DTS filename without .dts extension
 131 # $(4), maximum size of sysupgrade image
 132 # $(5), uImage header's ih_name field
 133 define BuildFirmware/OF
 134         $(call MkImageLzmaDtb,$(2),$(3),$(5))
 135         $(call MkImageSysupgrade/$(1),$(1),$(2),$(4),$(6))
 136 endef
 137
 138 # $(1), squashfs/initramfs
 139 # $(2), lowercase board name
 140 # $(3), DTS filename without .dts extension
 141 # $(4), ih_name field of uImage header
 142 define BuildFirmware/OF/initramfs
 143         $(call MkImageLzmaDtb,$(2),$(3),$(4),-initramfs)
 144         $(CP) $(KDIR)/vmlinux-$(2)-initramfs.uImage $(call imgname,$(1),$(2))-uImage.bin
 145 endef
 146
 147 # Build images for default ralink layout for 4MB flash
 148 # kernel + roots = 0x3b0000
 149 # $(1) = squashfs/initramfs
 150 # $(2) = lowercase board name
 151 # $(3) = dts file
 152 ralink_default_fw_size_4M=3866624
 153 BuildFirmware/Default4M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_4M),$(4))
 154 BuildFirmware/Default4M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 155
 156 # Build images for default ralink layout for 8MB flash
 157 # kernel + roots = 0x7b0000
 158 # $(1) = squashfs/initramfs
 159 # $(2) = lowercase board name
 160 # $(3) = dts file
 161 # $(4) = uImage header name field
 162 ralink_default_fw_size_8M=8060928
 163 BuildFirmware/Default8M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_8M),$(4))
 164 BuildFirmware/Default8M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 165
 166 ralink_default_fw_size_16M=16121856
 167 BuildFirmware/Default16M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_16M),$(4))
 168 BuildFirmware/Default16M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 169
 170 ralink_default_fw_size_32M=33226752
 171 BuildFirmware/Default32M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_32M),$(4))
 172 BuildFirmware/Default32M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 173
 174 # Build images for a custom sized flash layout
 175 # $(1) = squashfs/initramfs
 176 # $(2) = lowercase board name
 177 # $(3) = dts file
 178 # $(4) = kernel + rootfs size
 179 BuildFirmware/CustomFlash/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(4),$(5),$(6))
 180 BuildFirmware/CustomFlash/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3))
 181
 182 # Some boards need a special header inside the uImage to make them bootable
 183 define BuildFirmware/CustomFlashFactory/squashfs
 184         $(call BuildFirmware/CustomFlash/$(1),$(1),$(2),$(3),$(4))
 185         $(call BuildFirmware/CustomFlash/$(1),$(1),$(2),$(3),$(4),$(5),$(6))
 186 endef
 187 BuildFirmware/CustomFlashFactory/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3))
 188
 189 # wrappers for boards that have 4MB and 8MB versions
 190 define BuildFirmware/DefaultDualSize/squashfs
 191         $(call BuildFirmware/Default4M/$(1),$(1),$(2)-4M,$(3)-4M)
 192         $(call BuildFirmware/Default8M/$(1),$(1),$(2)-8M,$(3)-8M)
 193 endef
 194 define BuildFirmware/DefaultDualSize/initramfs
 195         $(call BuildFirmware/OF/initramfs,$(1),$(2)-4M,$(3)-4M)
 196         $(call BuildFirmware/OF/initramfs,$(1),$(2)-8M,$(3)-8M)
 197 endef
 198
 199 # build Seama header images
 200 define BuildFirmware/Seama/squashfs
 201         $(call MkImageLzmaDtb,$(2),$(3),$(5))
 202         $(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-sysupgrade.bin)
 203         cat $(KDIR)/vmlinux-$(2).bin.lzma $(KDIR)/root.$(1) > $(KDIR)/img_$(2).$(1).tmp
 204         if [ `stat -c%s "$(KDIR)/img_$(2).$(1).tmp"` -gt $(5) ]; then \
 205                 echo "Warning: $(KDIR)/img_$(2).$(1).tmp is too big" >&2; \
 206         else \
 207                 dd if=$(KDIR)/vmlinux-$(2).bin.lzma of=$(KDIR)/vmlinux-$(2).bin.lzma.padded bs=64k conv=sync; \
 208                 ( \
 209                         dd if=$(KDIR)/vmlinux-$(2).bin.lzma.padded bs=1 count=`expr \`stat -c%s $(KDIR)/vmlinux-$(2).bin.lzma.padded\` - 64`; \
 210                         dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
 211                 ) > $(KDIR)/vmlinux-$(2).tmp; \
 212                 $(STAGING_DIR_HOST)/bin/seama \
 213                         -i $(KDIR)/vmlinux-$(2).tmp \
 214                         -m "dev=/dev/mtdblock/2" -m "type=firmware"; \
 215                 $(STAGING_DIR_HOST)/bin/seama \
 216                         -s $(call imgname,$(1),$(2))-factory.bin \
 217                         -m "signature=$(4)" \
 218                         -i $(KDIR)/vmlinux-$(2).tmp.seama; \
 219                 dd if=$(KDIR)/vmlinux-$(2).bin.lzma.padded bs=1 count=`expr \`stat -c%s $(KDIR)/vmlinux-$(2).bin.lzma.padded\` - 64` of=$(KDIR)/vmlinux-$(2)-sysupgrade.tmp; \
 220                 $(STAGING_DIR_HOST)/bin/seama \
 221                         -i $(KDIR)/vmlinux-$(2)-sysupgrade.tmp \
 222                         -m "dev=/dev/mtdblock/2" -m "type=firmware"; \
 223                 ( \
 224                         dd if=$(KDIR)/vmlinux-$(2)-sysupgrade.tmp.seama; \
 225                         dd if=$(KDIR)/root.$(1) bs=64k conv=sync; \
 226                 ) > $(BIN_DIR)/$(output_name); \
 227         fi
 228 endef
 229 BuildFirmware/Seama/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3))
 230
 231 define BuildFirmware/PorayDualSize/squashfs
 232         $(call BuildFirmware/DefaultDualSize/$(1),$(1),$(2),$(3))
 233         if [ -e "$(call sysupname,$(1),$(2)-4M)" ]; then \
 234                 mkporayfw -B $(3) -F 4M \
 235                         -f $(call sysupname,$(1),$(2)-4M) \
 236                         -o $(call imgname,$(1),$(2)-4M)-factory.bin; \
 237         fi
 238         if [ -e "$(call sysupname,$(1),$(2)-8M)" ]; then \
 239                 mkporayfw -B $(3) -F 8M \
 240                         -f $(call sysupname,$(1),$(2)-8M) \
 241                         -o $(call imgname,$(1),$(2)-8M)-factory.bin; \
 242         fi
 243 endef
 244 BuildFirmware/PorayDualSize/initramfs=$(call BuildFirmware/DefaultDualSize/initramfs,$(1),$(2),$(3))
 245
 246
 247 ifeq ($(SUBTARGET),rt288x)
 248 include rt288x.mk
 249 endif
 250
 251 ifeq ($(SUBTARGET),rt305x)
 252 include rt305x.mk
 253 include rt305x-legacy.mk
 254 endif
 255
 256 ifeq ($(SUBTARGET),rt3883)
 257 include rt3883.mk
 258 endif
 259
 260 ifeq ($(SUBTARGET),mt7620)
 261 include mt7620.mk
 262 endif
 263
 264 ifeq ($(SUBTARGET),mt7621)
 265 include mt7621.mk
 266 endif
 267
 268 ifeq ($(SUBTARGET),mt7628)
 269 include mt7628.mk
 270 endif
 271
 272 ifeq ($(SUBTARGET),mt7688)
 273 include mt7688.mk
 274 endif
 275
 276 ifdef LEGACY_DEVICES
 277 #
 278 # Generic Targets - only needed for legacy image building code
 279 #
 280 define Image/BuildKernel
 281         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(VMLINUX).elf
 282         cp $(KDIR)/vmlinux $(BIN_DIR)/$(VMLINUX).bin
 283         $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
 284         $(call MkImage,lzma,$(KDIR)/vmlinux.bin.lzma,$(KDIR)/uImage.lzma)
 285         cp $(KDIR)/uImage.lzma $(BIN_DIR)/$(UIMAGE).bin
 286 endef
 287
 288 define Image/BuildKernel/Initramfs
 289         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(VMLINUX)-initramfs.elf
 290         cp $(KDIR)/vmlinux-initramfs $(BIN_DIR)/$(VMLINUX)-initramfs.bin
 291         $(call CompressLzma,$(KDIR)/vmlinux-initramfs,$(KDIR)/vmlinux-initramfs.bin.lzma)
 292         $(call MkImage,lzma,$(KDIR)/vmlinux-initramfs.bin.lzma,$(KDIR)/uImage-initramfs.lzma)
 293         cp $(KDIR)/uImage-initramfs.lzma $(BIN_DIR)/$(UIMAGE)-initramfs.bin
 294         $(call Image/Build/Initramfs)
 295 endef
 296
 297 define Image/Build
 298         $(call Image/Build/$(1))
 299         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
 300 endef
 301
 302 define Image/Build/Profile
 303         $(call Image/Build/Profile/$(1),$(2))
 304 endef
 305
 306 endif
 307
 308 $(eval $(call BuildImage))