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 NETGEAR_BOARD_ID NETGEAR_HW_ID
  26 DEVICE_VARS += BUFFALO_TAG_PLATFORM BUFFALO_TAG_VERSION BUFFALO_TAG_MINOR
  27
  28 loadaddr-y := 0x80000000
  29 loadaddr-$(CONFIG_TARGET_ramips_rt288x) := 0x88000000
  30 loadaddr-$(CONFIG_TARGET_ramips_mt7621) := 0x80001000
  31
  32 KERNEL_LOADADDR := $(loadaddr-y)
  33
  34 KERNEL_DTB = kernel-bin | patch-dtb | lzma
  35 define Device/Default
  36   PROFILES = Default $$(DTS)
  37   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DTS).dts)
  38   KERNEL := $(KERNEL_DTB) | uImage lzma
  39   DEVICE_DTS_DIR := ../dts
  40   IMAGES := sysupgrade.bin
  41   IMAGE_SIZE := $(ralink_default_fw_size_8M)
  42   SUPPORTED_DEVICES = $(1)
  43   sysupgrade_bin := append-kernel | append-rootfs | pad-rootfs
  44   IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
  45 endef
  46
  47 define Build/patch-dtb
  48         $(call Image/BuildDTB,../dts/$(DTS).dts,$@.dtb)
  49         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
  50 endef
  51
  52 define Build/trx
  53         $(STAGING_DIR_HOST)/bin/trx $(1) \
  54                 -o $@ \
  55                 -m $(IMAGE_SIZE) \
  56                 -f $(IMAGE_KERNEL) \
  57                 -a 4 -f $(IMAGE_ROOTFS)
  58 endef
  59
  60 define Build/relocate-kernel
  61         ( \
  62                 dd if=$(KDIR)/loader.bin bs=32 conv=sync && \
  63                 perl -e '@s = stat("$@"); print pack("V", @s[7])' && \
  64                 cat $@ \
  65         ) > $@.new
  66         mv $@.new $@
  67 endef
  68
  69 define MkCombineduImage
  70         $(call PatchKernelLzma,$(2),$(3))
  71         if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt `expr $(4) - 64` ]; then \
  72                 echo "Warning: $(KDIR)/vmlinux-$(2).bin.lzma is too big" >&2; \
  73         else if [ `stat -c%s "$(KDIR)/root.$(1)"` -gt $(5) ]; then \
  74                 echo "Warning: $(KDIR)/root.$(1) is too big" >&2; \
  75         else \
  76                 ( dd if=$(KDIR)/vmlinux-$(2).bin.lzma bs=`expr $(4) - 64` conv=sync ; dd if=$(KDIR)/root.$(1) ) > $(KDIR)/vmlinux-$(2).bin.lzma.combined ; \
  77         fi ; fi
  78         $(call MkImage,lzma,$(KDIR)/vmlinux-$(2).bin.lzma.combined,$(call sysupname,$(1),$(2)),$(6))
  79 endef
  80
  81 define Build/umedia-header
  82         fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
  83 endef
  84
  85 define Build/edimax-header
  86         $(STAGING_DIR_HOST)/bin/mkedimaximg -i $@ -o $@.new $(1)
  87         @mv $@.new $@
  88 endef
  89
  90 define Build/poray-header
  91         $(STAGING_DIR_HOST)/bin/mkporayfw $(1) -f $@ -o $@.new
  92         mv $@.new $@
  93 endef
  94
  95 define Build/senao-header
  96         $(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
  97         mv $@.new $@
  98 endef
  99
 100 define Build/seama
 101         $(STAGING_DIR_HOST)/bin/seama -i $@ $(1)
 102         mv $@.seama $@
 103 endef
 104
 105 define Build/seama-seal
 106         $(call Build/seama,-s $@.seama $(1))
 107 endef
 108
 109 define Build/wrg-header
 110         mkwrgimg -i $@ -d "/dev/mtdblock/2" -s $(1) -o $@.new
 111         mv $@.new $@
 112 endef
 113
 114 #
 115 # The real magic happens inside these templates
 116 #
 117 # $(1), compression method
 118 # $(2), filename of image data
 119 # $(3), output filename
 120 define MkImage
 121         $(eval imagename=$(if $(4),$(4),MIPS OpenWrt Linux-$(LINUX_VERSION)))
 122         -mkimage -A mips -O linux -T kernel -C $(1) -a $(loadaddr-y) -e $(loadaddr-y) \
 123                 -n "$(imagename)" \
 124                 -d $(2) $(3)
 125 endef
 126
 127 define CompressLzma
 128         $(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
 129 endef
 130
 131 define MkImageSysupgrade/squashfs
 132         $(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
 133         cat $(KDIR)/vmlinux-$(2).uImage $(KDIR)/root.$(1) > $(KDIR)/$(output_name)
 134         $(call prepare_generic_squashfs,$(KDIR)/$(output_name))
 135         if [ `stat -c%s "$(KDIR)/$(output_name)"` -gt $(3) ]; then \
 136                 echo "Warning: $(KDIR)/$(output_name) is too big" >&2; \
 137         else \
 138                 $(CP) $(KDIR)/$(output_name) $(BIN_DIR)/$(output_name); \
 139         fi
 140 endef
 141
 142 # $(1), lowercase board name like "mt7620a_v22sg"
 143 # $(2), DTS filename without .dts extension
 144 # $(3), optional filename suffix, e.g. "-initramfs"
 145 define PatchKernelLzmaDtb
 146         cp $(KDIR)/vmlinux$(3) $(KDIR)/vmlinux-$(1)$(3)
 147         $(call Image/BuildDTB,../dts/$(2).dts,$(KDIR)/$(2).dtb)
 148         $(STAGING_DIR_HOST)/bin/patch-dtb $(KDIR)/vmlinux-$(1)$(3) $(KDIR)/$(2).dtb
 149         $(call CompressLzma,$(KDIR)/vmlinux-$(1)$(3),$(KDIR)/vmlinux-$(1)$(3).bin.lzma)
 150 endef
 151
 152 # $(1), lowercase board name
 153 # $(2), DTS filename without .dts extension
 154 # $(3), ih_name field of uImage header
 155 # $(4), optional filename suffix, e.g. "-initramfs"
 156 define MkImageLzmaDtb
 157         $(call PatchKernelLzmaDtb,$(1),$(2),$(4))
 158         $(call MkImage,lzma,$(KDIR)/vmlinux-$(1)$(4).bin.lzma,$(KDIR)/vmlinux-$(1)$(4).uImage,$(3))
 159 endef
 160
 161 # $(1), Rootfs type, e.g. squashfs
 162 # $(2), lowercase board name
 163 # $(3), DTS filename without .dts extension
 164 # $(4), maximum size of sysupgrade image
 165 # $(5), uImage header's ih_name field
 166 define BuildFirmware/OF
 167         $(call MkImageLzmaDtb,$(2),$(3),$(5))
 168         $(call MkImageSysupgrade/$(1),$(1),$(2),$(4),$(6))
 169 endef
 170
 171 # $(1), squashfs/initramfs
 172 # $(2), lowercase board name
 173 # $(3), DTS filename without .dts extension
 174 # $(4), ih_name field of uImage header
 175 define BuildFirmware/OF/initramfs
 176         $(call MkImageLzmaDtb,$(2),$(3),$(4),-initramfs)
 177         $(CP) $(KDIR)/vmlinux-$(2)-initramfs.uImage $(call imgname,$(1),$(2))-uImage.bin
 178 endef
 179
 180 # Build images for default ralink layout for 4MB flash
 181 # kernel + roots = 0x3b0000
 182 # $(1) = squashfs/initramfs
 183 # $(2) = lowercase board name
 184 # $(3) = dts file
 185 ralink_default_fw_size_4M=3866624
 186 BuildFirmware/Default4M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_4M),$(4))
 187 BuildFirmware/Default4M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 188
 189 ralink_default_fw_size_8M=8060928
 190 ralink_default_fw_size_16M=16121856
 191 ralink_default_fw_size_32M=33226752
 192
 193
 194 ifeq ($(SUBTARGET),rt288x)
 195 include rt288x.mk
 196 endif
 197
 198 ifeq ($(SUBTARGET),rt305x)
 199 include rt305x.mk
 200 include rt305x-legacy.mk
 201 endif
 202
 203 ifeq ($(SUBTARGET),rt3883)
 204 include rt3883.mk
 205 endif
 206
 207 ifeq ($(SUBTARGET),mt7620)
 208 include mt7620.mk
 209 endif
 210
 211 ifeq ($(SUBTARGET),mt7621)
 212 include mt7621.mk
 213 endif
 214
 215 ifeq ($(SUBTARGET),mt76x8)
 216 include mt76x8.mk
 217 endif
 218
 219 ifdef LEGACY_DEVICES
 220 #
 221 # Generic Targets - only needed for legacy image building code
 222 #
 223 define Image/BuildKernel
 224         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(VMLINUX).elf
 225         cp $(KDIR)/vmlinux $(BIN_DIR)/$(VMLINUX).bin
 226         $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
 227         $(call MkImage,lzma,$(KDIR)/vmlinux.bin.lzma,$(KDIR)/uImage.lzma)
 228         cp $(KDIR)/uImage.lzma $(BIN_DIR)/$(UIMAGE).bin
 229 endef
 230
 231 define Image/BuildKernel/Initramfs
 232         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(VMLINUX)-initramfs.elf
 233         cp $(KDIR)/vmlinux-initramfs $(BIN_DIR)/$(VMLINUX)-initramfs.bin
 234         $(call CompressLzma,$(KDIR)/vmlinux-initramfs,$(KDIR)/vmlinux-initramfs.bin.lzma)
 235         $(call MkImage,lzma,$(KDIR)/vmlinux-initramfs.bin.lzma,$(KDIR)/uImage-initramfs.lzma)
 236         cp $(KDIR)/uImage-initramfs.lzma $(BIN_DIR)/$(UIMAGE)-initramfs.bin
 237         $(call Image/Build/Initramfs)
 238 endef
 239
 240 define Image/Build
 241         $(call Image/Build/$(1))
 242         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
 243 endef
 244
 245 define Image/Build/Profile
 246         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/Build/Profile/$(1),initramfs))
 247         $(call Image/Build/Profile/$(1),$(2))
 248 endef
 249
 250 endif
 251
 252 $(eval $(call BuildImage))