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