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