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