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254 lines
7.0 KiB
254 lines
7.0 KiB
#
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# Copyright (C) 2008-2011 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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define imgname
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$(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1)
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endef
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define sysupname
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$(call imgname,$(1),$(2))-sysupgrade.bin
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endef
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VMLINUX:=$(IMG_PREFIX)-vmlinux
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UIMAGE:=$(IMG_PREFIX)-uImage
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define Image/Build/Initramfs
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$(call Image/Build/Profile/$(PROFILE),initramfs)
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endef
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DEVICE_VARS += DTS IMAGE_SIZE
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loadaddr-y := 0x80000000
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loadaddr-$(CONFIG_TARGET_ramips_rt288x) := 0x88000000
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loadaddr-$(CONFIG_TARGET_ramips_mt7621) := 0x80001000
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KERNEL_LOADADDR := $(loadaddr-y)
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KERNEL_DTB = kernel-bin | patch-dtb | lzma
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define Device/Default
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PROFILES = Default $$(DTS)
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KERNEL_DEPENDS = $$(wildcard ../dts/$$(DTS).dts)
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KERNEL := $(KERNEL_DTB) | uImage lzma
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IMAGES := sysupgrade.bin
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IMAGE_SIZE := $(ralink_default_fw_size_8M)
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SUPPORTED_DEVICES = $(1)
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sysupgrade_bin := append-kernel | append-rootfs | pad-rootfs
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IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
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endef
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define Build/patch-dtb
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$(call Image/BuildDTB,../dts/$(DTS).dts,$@.dtb)
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$(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
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endef
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define Build/trx
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$(STAGING_DIR_HOST)/bin/trx \
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-o $@ \
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-m $(IMAGE_SIZE) \
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-f $(IMAGE_KERNEL) \
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-a 4 -f $(IMAGE_ROOTFS)
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endef
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define Build/relocate-kernel
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( \
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dd if=$(KDIR)/loader.bin bs=32 conv=sync && \
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perl -e '@s = stat("$@"); print pack("V", @s[7])' && \
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cat $@ \
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) > $@.new
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mv $@.new $@
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endef
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define MkCombineduImage
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$(call PatchKernelLzma,$(2),$(3))
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if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt `expr $(4) - 64` ]; then \
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echo "Warning: $(KDIR)/vmlinux-$(2).bin.lzma is too big" >&2; \
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else if [ `stat -c%s "$(KDIR)/root.$(1)"` -gt $(5) ]; then \
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echo "Warning: $(KDIR)/root.$(1) is too big" >&2; \
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else \
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( dd if=$(KDIR)/vmlinux-$(2).bin.lzma bs=`expr $(4) - 64` conv=sync ; dd if=$(KDIR)/root.$(1) ) > $(KDIR)/vmlinux-$(2).bin.lzma.combined ; \
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fi ; fi
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$(call MkImage,lzma,$(KDIR)/vmlinux-$(2).bin.lzma.combined,$(call sysupname,$(1),$(2)),$(6))
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endef
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define Build/umedia-header
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fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
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endef
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define Build/edimax-header
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$(STAGING_DIR_HOST)/bin/mkedimaximg -i $@ -o $@.new $(1)
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@mv $@.new $@
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endef
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define Build/poray-header
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$(STAGING_DIR_HOST)/bin/mkporayfw $(1) -f $@ -o $@.new
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mv $@.new $@
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endef
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define Build/senao-header
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$(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
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mv $@.new $@
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endef
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define Build/seama
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$(STAGING_DIR_HOST)/bin/seama -i $@ $(1)
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mv $@.seama $@
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endef
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define Build/seama-seal
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$(call Build/seama,-s $@.seama $(1))
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endef
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define Build/wrg-header
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mkwrgimg -i $@ -d "/dev/mtdblock/2" -s $(1) -o $@.new
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mv $@.new $@
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endef
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#
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# The real magic happens inside these templates
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#
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# $(1), compression method
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# $(2), filename of image data
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# $(3), output filename
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define MkImage
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$(eval imagename=$(if $(4),$(4),MIPS OpenWrt Linux-$(LINUX_VERSION)))
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-mkimage -A mips -O linux -T kernel -C $(1) -a $(loadaddr-y) -e $(loadaddr-y) \
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-n "$(imagename)" \
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-d $(2) $(3)
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endef
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define CompressLzma
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$(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
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endef
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define MkImageSysupgrade/squashfs
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$(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
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cat $(KDIR)/vmlinux-$(2).uImage $(KDIR)/root.$(1) > $(KDIR)/$(output_name)
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$(call prepare_generic_squashfs,$(KDIR)/$(output_name))
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if [ `stat -c%s "$(KDIR)/$(output_name)"` -gt $(3) ]; then \
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echo "Warning: $(KDIR)/$(output_name) is too big" >&2; \
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else \
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$(CP) $(KDIR)/$(output_name) $(BIN_DIR)/$(output_name); \
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fi
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endef
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# $(1), lowercase board name like "mt7620a_v22sg"
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# $(2), DTS filename without .dts extension
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# $(3), optional filename suffix, e.g. "-initramfs"
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define PatchKernelLzmaDtb
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cp $(KDIR)/vmlinux$(3) $(KDIR)/vmlinux-$(1)$(3)
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$(call Image/BuildDTB,../dts/$(2).dts,$(KDIR)/$(2).dtb)
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$(STAGING_DIR_HOST)/bin/patch-dtb $(KDIR)/vmlinux-$(1)$(3) $(KDIR)/$(2).dtb
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$(call CompressLzma,$(KDIR)/vmlinux-$(1)$(3),$(KDIR)/vmlinux-$(1)$(3).bin.lzma)
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endef
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# $(1), lowercase board name
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# $(2), DTS filename without .dts extension
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# $(3), ih_name field of uImage header
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# $(4), optional filename suffix, e.g. "-initramfs"
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define MkImageLzmaDtb
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$(call PatchKernelLzmaDtb,$(1),$(2),$(4))
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$(call MkImage,lzma,$(KDIR)/vmlinux-$(1)$(4).bin.lzma,$(KDIR)/vmlinux-$(1)$(4).uImage,$(3))
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endef
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# $(1), Rootfs type, e.g. squashfs
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# $(2), lowercase board name
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# $(3), DTS filename without .dts extension
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# $(4), maximum size of sysupgrade image
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# $(5), uImage header's ih_name field
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define BuildFirmware/OF
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$(call MkImageLzmaDtb,$(2),$(3),$(5))
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$(call MkImageSysupgrade/$(1),$(1),$(2),$(4),$(6))
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endef
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# $(1), squashfs/initramfs
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# $(2), lowercase board name
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# $(3), DTS filename without .dts extension
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# $(4), ih_name field of uImage header
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define BuildFirmware/OF/initramfs
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$(call MkImageLzmaDtb,$(2),$(3),$(4),-initramfs)
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$(CP) $(KDIR)/vmlinux-$(2)-initramfs.uImage $(call imgname,$(1),$(2))-uImage.bin
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endef
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# Build images for default ralink layout for 4MB flash
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# kernel + roots = 0x3b0000
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# $(1) = squashfs/initramfs
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# $(2) = lowercase board name
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# $(3) = dts file
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ralink_default_fw_size_4M=3866624
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BuildFirmware/Default4M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_4M),$(4))
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BuildFirmware/Default4M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
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ralink_default_fw_size_8M=8060928
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ralink_default_fw_size_16M=16121856
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ralink_default_fw_size_32M=33226752
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ifeq ($(SUBTARGET),rt288x)
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include rt288x.mk
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endif
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ifeq ($(SUBTARGET),rt305x)
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include rt305x.mk
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include rt305x-legacy.mk
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endif
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ifeq ($(SUBTARGET),rt3883)
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include rt3883.mk
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endif
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ifeq ($(SUBTARGET),mt7620)
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include mt7620.mk
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endif
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ifeq ($(SUBTARGET),mt7621)
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include mt7621.mk
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endif
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ifeq ($(SUBTARGET),mt7628)
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include mt7628.mk
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endif
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ifeq ($(SUBTARGET),mt7688)
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include mt7688.mk
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endif
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ifdef LEGACY_DEVICES
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#
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# Generic Targets - only needed for legacy image building code
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#
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define Image/BuildKernel
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cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(VMLINUX).elf
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cp $(KDIR)/vmlinux $(BIN_DIR)/$(VMLINUX).bin
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$(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
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$(call MkImage,lzma,$(KDIR)/vmlinux.bin.lzma,$(KDIR)/uImage.lzma)
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cp $(KDIR)/uImage.lzma $(BIN_DIR)/$(UIMAGE).bin
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endef
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define Image/BuildKernel/Initramfs
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cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(VMLINUX)-initramfs.elf
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cp $(KDIR)/vmlinux-initramfs $(BIN_DIR)/$(VMLINUX)-initramfs.bin
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$(call CompressLzma,$(KDIR)/vmlinux-initramfs,$(KDIR)/vmlinux-initramfs.bin.lzma)
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$(call MkImage,lzma,$(KDIR)/vmlinux-initramfs.bin.lzma,$(KDIR)/uImage-initramfs.lzma)
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cp $(KDIR)/uImage-initramfs.lzma $(BIN_DIR)/$(UIMAGE)-initramfs.bin
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$(call Image/Build/Initramfs)
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endef
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define Image/Build
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$(call Image/Build/$(1))
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dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
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endef
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define Image/Build/Profile
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/Build/Profile/$(1),initramfs))
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$(call Image/Build/Profile/$(1),$(2))
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endef
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endif
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$(eval $(call BuildImage))
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