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