Initial commit

target/linux/ramips/image/Makefile

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+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2008-2011 OpenWrt.org
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+DEVICE_VARS += LOADER_TYPE LOADER_FLASH_OFFS LZMA_TEXT_START
+DEVICE_VARS += NETGEAR_BOARD_ID NETGEAR_HW_ID
+DEVICE_VARS += NETGEAR_ENC_MODEL NETGEAR_ENC_REGION NETGEAR_ENC_HW_ID_LIST NETGEAR_ENC_MODEL_LIST
+DEVICE_VARS += BUFFALO_TAG_PLATFORM BUFFALO_TAG_VERSION BUFFALO_TAG_MINOR
+DEVICE_VARS += SEAMA_SIGNATURE SEAMA_MTDBLOCK
+DEVICE_VARS += SERCOMM_HWNAME SERCOMM_HWID SERCOMM_HWVER SERCOMM_SWVER
+DEVICE_VARS += SERCOMM_PAD JCG_MAXSIZE
+
+loadaddr-y := 0x80000000
+loadaddr-$(CONFIG_TARGET_ramips_rt288x) := 0x88000000
+loadaddr-$(CONFIG_TARGET_ramips_mt7621) := 0x80001000
+
+ldrplatform-y := ralink
+ldrplatform-$(CONFIG_TARGET_ramips_mt7621) := mt7621
+
+ldrflashstart-y := 0x1c000000
+ldrflashstart-$(CONFIG_TARGET_ramips_mt7621) := 0x1fc00000
+
+LOADADDR := $(loadaddr-y)
+LOADER_PLATFORM := $(ldrplatform-y)
+LOADER_FLASH_START := $(ldrflashstart-y)
+
+KERNEL_DTB = kernel-bin | append-dtb | lzma
+
+define Build/jcg-header
+	$(STAGING_DIR_HOST)/bin/jcgimage -v $(1) \
+		$(if $(JCG_MAXSIZE), -m $$(($(call exp_units,$(JCG_MAXSIZE)))),) \
+		-u $@ -o $@.new
+	mv $@.new $@
+endef
+
+define Build/loader-common
+	rm -rf $@.src
+	$(MAKE) -C lzma-loader \
+		PKG_BUILD_DIR="$@.src" \
+		TARGET_DIR="$(dir $@)" LOADER_NAME="$(notdir $@)" \
+		BOARD="$(BOARDNAME)" PLATFORM="$(LOADER_PLATFORM)" \
+		LZMA_TEXT_START=$(LZMA_TEXT_START) \
+		LOADADDR=$(LOADADDR) \
+		SUBTARGET=$(SUBTARGET) \
+		$(1) compile loader.$(LOADER_TYPE)
+	mv "$@.$(LOADER_TYPE)" "$@"
+	rm -rf $@.src
+endef
+
+define Build/loader-kernel
+	$(call Build/loader-common,LOADER_DATA="$@")
+endef
+
+define Build/loader-okli-compile
+	$(call Build/loader-common, \
+		FLASH_START=$(LOADER_FLASH_START) \
+		FLASH_OFFS=$(LOADER_FLASH_OFFS) \
+		FLASH_MAX=0 \
+	)
+endef
+
+define Build/append-loader-okli
+	cat "$(KDIR)/loader-$(word 1,$(1)).$(LOADER_TYPE)" >> "$@"
+endef
+
+# combine kernel and rootfs into one image
+# mkdlinkfw <type> <optional extra arguments to mkdlinkfw binary>
+define Build/mkdlinkfw
+	-$(STAGING_DIR_HOST)/bin/mkdlinkfw \
+		-k $(IMAGE_KERNEL) \
+		-r $(IMAGE_ROOTFS) \
+		-o $@ \
+		$(if $(DLINK_IMAGE_OFFSET), -O $(DLINK_IMAGE_OFFSET)) \
+		-s $(DLINK_FIRMWARE_SIZE)
+endef
+
+define Build/mkdlinkfw-factory
+	-$(STAGING_DIR_HOST)/bin/mkdlinkfw \
+		-m $(DLINK_ROM_ID) -f $(DLINK_FAMILY_MEMBER) \
+		-F $@ \
+		-o $@.new \
+		$(if $(DLINK_IMAGE_OFFSET), -O $(DLINK_IMAGE_OFFSET)) \
+		-s $(DLINK_FIRMWARE_SIZE)
+	mv $@.new $@
+endef
+
+define Build/mkdlinkfw-loader
+	-$(STAGING_DIR_HOST)/bin/mkdlinkfw \
+		-k $(KDIR)/loader-$(DEVICE_NAME).bin \
+		-r $@ \
+		-o $@.new \
+		$(if $(DLINK_IMAGE_OFFSET), -O $(DLINK_IMAGE_OFFSET)) \
+		-s $(DLINK_FIRMWARE_SIZE)
+	mv $@.new $@
+endef
+
+define Build/netis-tail
+	echo -n $(1) >> $@
+	echo -n $(UIMAGE_NAME)-yun | $(MKHASH) md5 | \
+		sed 's/../\\\\x&/g' | xargs echo -ne >> $@
+endef
+
+define Build/poray-header
+	$(STAGING_DIR_HOST)/bin/mkporayfw $(1) -f $@ -o $@.new
+	mv $@.new $@
+endef
+
+define Build/relocate-kernel
+	rm -rf $@.relocate
+	$(CP) ../../generic/image/relocate $@.relocate
+	$(MAKE) -C $@.relocate KERNEL_ADDR=$(if $(1),$(1),$(KERNEL_LOADADDR)) CROSS_COMPILE=$(TARGET_CROSS)
+	( \
+		dd if=$@.relocate/loader.bin bs=32 conv=sync && \
+		perl -e '@s = stat("$@"); print pack("V", @s[7])' && \
+		cat $@ \
+	) > $@.new
+	mv $@.new $@
+	rm -rf $@.relocate
+endef
+
+define Build/sercom-footer
+	$(call Build/sercom-seal,-f)
+endef
+
+define Build/sercom-seal
+	$(STAGING_DIR_HOST)/bin/mksercommfw \
+		-i $@ \
+		-b $(SERCOMM_HWID) \
+		-r $(SERCOMM_HWVER) \
+		-v $(SERCOMM_SWVER) \
+		$(1)
+endef
+
+define Build/sign-dlink-ru
+	sign_dlink_ru $@ $1 $2
+	mv $@.new $@
+endef
+
+define Build/trx
+	$(STAGING_DIR_HOST)/bin/trx $(1) \
+		-o $@ \
+		-m $$(($(call exp_units,$(IMAGE_SIZE)))) \
+		-f $(IMAGE_KERNEL) \
+		-a 4 -f $(IMAGE_ROOTFS)
+endef
+
+define Build/uimage-padhdr
+	uimage_padhdr $(if $(1),-l $(1)) -i $@ -o $@.new
+	mv $@.new $@
+endef
+
+define Build/uimage-sgehdr
+	uimage_sgehdr -i $@ -o $@.new -m $(DEVICE_MODEL) \
+		-h $(DEVICE_VARIANT) -s V1.00000
+	mv $@.new $@
+endef
+
+define Build/umedia-header
+	fix-u-media-header -T 0x46 -B $(1) -i $@ -o $@.new && mv $@.new $@
+endef
+
+define Build/wrg-header
+	mkwrgimg -i $@ -d "/dev/mtdblock/2" -s $(1) -o $@.new
+	mv $@.new $@
+endef
+
+define Build/zyimage
+	$(STAGING_DIR_HOST)/bin/zyimage $(1) $@
+endef
+
+define Device/Default
+  PROFILES = Default
+  BLOCKSIZE := 64k
+  KERNEL := $(KERNEL_DTB) | uImage lzma
+  KERNEL_LOADADDR := $(loadaddr-y)
+  LZMA_TEXT_START := 0x81800000
+  SOC := $(DEFAULT_SOC)
+  DEVICE_DTS_DIR := ../dts
+  DEVICE_DTS = $$(SOC)_$(1)
+  NETGEAR_ENC_MODEL :=
+  NETGEAR_ENC_REGION :=
+  NETGEAR_ENC_HW_ID_LIST :=
+  NETGEAR_ENC_MODEL_LIST :=
+  IMAGES := sysupgrade.bin
+  COMPILE :=
+  sysupgrade_bin := append-kernel | append-rootfs | pad-rootfs
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | check-size | append-metadata
+endef
+
+define Device/netgear_sercomm_nor
+  DEVICE_VENDOR := NETGEAR
+  IMAGES += factory.img
+  IMAGE/default := append-kernel | pad-to $$$$(BLOCKSIZE) | append-rootfs | \
+	pad-rootfs
+  IMAGE/sysupgrade.bin := $$(IMAGE/default) | check-size | append-metadata
+  IMAGE/factory.img := pad-extra $$$$(SERCOMM_PAD) | $$(IMAGE/default) | \
+	pad-to $$$$(BLOCKSIZE) | sercom-footer | pad-to 128 | \
+	zip $$$$(SERCOMM_HWNAME).bin | sercom-seal
+endef
+
+define Device/seama
+  SEAMA_MTDBLOCK := 2
+  IMAGES += factory.bin
+
+  # 64 bytes offset:
+  # - 28 bytes seama_header
+  # - 36 bytes of META data (4-bytes aligned)
+  IMAGE/default := append-kernel | pad-offset $$$$(BLOCKSIZE) 64 | append-rootfs
+  IMAGE/sysupgrade.bin := \
+	$$(IMAGE/default) | seama | pad-rootfs | check-size | append-metadata
+  IMAGE/factory.bin := \
+	$$(IMAGE/default) | pad-rootfs -x 64 | seama | seama-seal | check-size
+  SEAMA_SIGNATURE :=
+endef
+
+define Device/uimage-lzma-loader
+  LOADER_TYPE := bin
+  KERNEL/lzma-loader := kernel-bin | append-dtb | lzma | loader-kernel
+  KERNEL := $$(KERNEL/lzma-loader) | uImage none
+endef
+
+define Device/seama-lzma-loader
+  $(Device/seama)
+  $(Device/uimage-lzma-loader)
+  KERNEL := $$(KERNEL/lzma-loader) | relocate-kernel | lzma -a0
+  KERNEL_INITRAMFS := $$(KERNEL/lzma-loader) | uImage none
+endef
+
+include $(SUBTARGET).mk
+
+$(eval $(call BuildImage))

target/linux/ramips/image/common-sercomm.mk

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+DEVICE_VARS += SERCOMM_KERNEL_OFFSET SERCOMM_ROOTFS_OFFSET
+DEVICE_VARS += SERCOMM_KERNEL2_OFFSET SERCOMM_ROOTFS2_OFFSET
+
+define Build/sercomm-append-tail
+	printf 16 | dd seek=$$((0x90)) of=$@ bs=1 conv=notrunc 2>/dev/null
+	printf 11223344556677889900112233445566 | \
+		sed 's/../\\x&/g' | xargs -d . printf >> $@
+endef
+
+define Build/sercomm-crypto
+	$(TOPDIR)/scripts/sercomm-crypto.py \
+		--input-file $@ \
+		--key-file $@.key \
+		--output-file $@.ser \
+		--version $(SERCOMM_SWVER)
+	$(STAGING_DIR_HOST)/bin/openssl enc -md md5 -aes-256-cbc \
+		-in $@ \
+		-out $@.enc \
+		-K `cat $@.key` \
+		-iv 00000000000000000000000000000000
+	dd if=$@.enc >> $@.ser 2>/dev/null
+	mv $@.ser $@
+	rm -f $@.enc $@.key
+endef
+
+define Build/sercomm-factory-cpj
+	dd bs=$$((0x1fff00)) count=1 if=$@ of=$@.kernel conv=notrunc \
+		2>/dev/null
+	dd bs=$$((0x1fff00)) skip=1 if=$@ of=$@.rootfs1 conv=notrunc \
+		2>/dev/null
+	cp $@.rootfs1 $@.rootfs2
+	$(TOPDIR)/scripts/sercomm-kernel-header.py \
+		--kernel-image $@.kernel \
+		--kernel-offset $(SERCOMM_KERNEL_OFFSET) \
+		--rootfs-image $@.rootfs1 \
+		--rootfs-offset $(SERCOMM_ROOTFS_OFFSET) \
+		--output-header $@.header1
+	$(TOPDIR)/scripts/sercomm-kernel-header.py \
+		--kernel-image $@.kernel \
+		--kernel-offset $(SERCOMM_KERNEL2_OFFSET) \
+		--rootfs-image $@.rootfs2 \
+		--rootfs-offset $(SERCOMM_ROOTFS2_OFFSET) \
+		--output-header $@.header2
+	cat $@.header1 $@.kernel > $@.kernel1
+	cat $@.header2 $@.kernel > $@.kernel2
+	rm $@.header1 $@.header2 $@.kernel
+	$(call Build/sercomm-part-tag-common,kernel $@.kernel1)
+	$(call Build/sercomm-part-tag-common,kernel2 $@.kernel2)
+	$(call Build/sercomm-part-tag-common,rootfs $@.rootfs1)
+	$(call Build/sercomm-part-tag-common,rootfs2 $@.rootfs2)
+	cat $@.kernel2 $@.rootfs2 $@.kernel1 $@.rootfs1 > $@
+	rm $@.kernel1 $@.rootfs1 $@.kernel2 $@.rootfs2
+endef
+
+define Build/sercomm-factory-cqr
+	$(TOPDIR)/scripts/sercomm-pid.py \
+		--hw-version $(SERCOMM_HWVER) \
+		--hw-id $(SERCOMM_HWID) \
+		--sw-version $(SERCOMM_SWVER) \
+		--pid-file $@.fhdr \
+		--extra-padding-size 0x190
+	printf $$(stat -c%s $(IMAGE_KERNEL)) | \
+		dd seek=$$((0x70)) of=$@.fhdr bs=1 conv=notrunc 2>/dev/null
+	printf $$(($$(stat -c%s $@)-$$(stat -c%s $(IMAGE_KERNEL))-$$((0x200)))) | \
+		dd seek=$$((0x80)) of=$@.fhdr bs=1 conv=notrunc 2>/dev/null
+	dd if=$@ >> $@.fhdr 2>/dev/null
+	mv $@.fhdr $@
+endef
+
+define Build/sercomm-kernel
+	$(TOPDIR)/scripts/sercomm-kernel-header.py \
+		--kernel-image $@ \
+		--kernel-offset $(SERCOMM_KERNEL_OFFSET) \
+		--rootfs-offset $(SERCOMM_ROOTFS_OFFSET) \
+		--output-header $@.hdr
+	dd if=$@ >> $@.hdr 2>/dev/null
+	mv $@.hdr $@
+endef
+
+define Build/sercomm-kernel-factory
+	$(TOPDIR)/scripts/sercomm-kernel-header.py \
+		--kernel-image $@ \
+		--kernel-offset $(SERCOMM_KERNEL_OFFSET) \
+		--rootfs-offset $(SERCOMM_ROOTFS_OFFSET) \
+		--output-header $@.khdr1
+	$(TOPDIR)/scripts/sercomm-kernel-header.py \
+		--kernel-image $@ \
+		--kernel-offset $(SERCOMM_KERNEL2_OFFSET) \
+		--rootfs-offset $(SERCOMM_ROOTFS2_OFFSET) \
+		--output-header $@.khdr2
+	cat $@.khdr1 $@.khdr2 > $@.khdr
+	dd if=$@ >> $@.khdr 2>/dev/null
+	mv $@.khdr $@
+endef
+
+define Build/sercomm-mkhash
+	dd bs=$$((0x400)) skip=1 if=$@ conv=notrunc 2>/dev/null | \
+		$(MKHASH) md5 | awk '{print $$1}' | tr -d '\n' | \
+		dd seek=$$((0x1e0)) of=$@ bs=1 conv=notrunc 2>/dev/null
+endef
+
+define Build/sercomm-part-tag
+	$(call Build/sercomm-part-tag-common,$(word 1,$(1)) $@)
+endef
+
+define Build/sercomm-part-tag-common
+	$(eval file=$(word 2,$(1)))
+	$(TOPDIR)/scripts/sercomm-partition-tag.py \
+		--input-file $(file) \
+		--output-file $(file).tmp \
+		--part-name $(word 1,$(1)) \
+		--part-version $(SERCOMM_SWVER)
+	mv $(file).tmp $(file)
+endef
+
+define Build/sercomm-payload
+	$(TOPDIR)/scripts/sercomm-pid.py \
+		--hw-version $(SERCOMM_HWVER) \
+		--hw-id $(SERCOMM_HWID) \
+		--sw-version $(SERCOMM_SWVER) \
+		--pid-file $@.pid \
+		--extra-padding-size 0x10 \
+		--extra-padding-first-byte 0x0a
+	$(TOPDIR)/scripts/sercomm-payload.py \
+		--input-file $@ \
+		--output-file $@.tmp \
+		--pid-file $@.pid
+	mv $@.tmp $@
+	rm $@.pid
+endef
+
+define Build/sercomm-pid-setbit
+	printf 1 | dd seek=$$(($(1))) of=$@ bs=1 conv=notrunc 2>/dev/null
+endef
+
+define Build/sercomm-prepend-tagged-kernel
+	$(CP) $(IMAGE_KERNEL) $(IMAGE_KERNEL).tagged
+	$(call Build/sercomm-part-tag-common,$(word 1,$(1)) \
+		$(IMAGE_KERNEL).tagged)
+	dd if=$@ >> $(IMAGE_KERNEL).tagged 2>/dev/null
+	mv $(IMAGE_KERNEL).tagged $@
+endef
+
+define Build/sercomm-reset-slot1-chksum
+	printf "\xff\xff\xff\xff" | \
+		dd of=$@ seek=$$((0x118)) bs=1 conv=notrunc 2>/dev/null
+endef
+
+define Build/sercomm-sysupgrade-cpj
+	dd bs=$$((0x1fff00)) count=1 if=$@ of=$@.kernel conv=notrunc \
+		2>/dev/null
+	dd bs=$$((0x1fff00)) skip=1 if=$@ of=$@.rootfs conv=notrunc \
+		2>/dev/null
+	$(TOPDIR)/scripts/sercomm-kernel-header.py \
+		--kernel-image $@.kernel \
+		--kernel-offset $(SERCOMM_KERNEL_OFFSET) \
+		--rootfs-image $@.rootfs \
+		--rootfs-offset $(SERCOMM_ROOTFS_OFFSET) \
+		--output-header $@.header
+	cat $@.header $@.kernel $@.rootfs > $@
+	rm $@.header $@.kernel $@.rootfs
+endef
+
+define Device/sercomm
+  $(Device/nand)
+  LOADER_TYPE := bin
+  IMAGES += factory.img
+endef
+
+define Device/sercomm_cpj
+  SOC := mt7620a
+  DEVICE_VENDOR := Rostelecom
+  DEVICE_ALT0_VENDOR := Sercomm
+  IMAGE_SIZE := 7743k
+  SERCOMM_HWID := CPJ
+  SERCOMM_HWVER := 10000
+  SERCOMM_SWVER := 1001
+  SERCOMM_KERNEL_OFFSET := 0x70100
+  SERCOMM_ROOTFS_OFFSET := 0x270000
+  SERCOMM_KERNEL2_OFFSET := 0x800100
+  SERCOMM_ROOTFS2_OFFSET := 0xa00000
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | \
+	sercomm-sysupgrade-cpj | pad-rootfs | check-size | \
+	append-metadata
+  ARTIFACTS := initramfs-factory.img
+  DEVICE_PACKAGES := kmod-mt76x2
+endef
+
+define Device/sercomm_cxx_dxx
+  $(Device/sercomm)
+  KERNEL_SIZE := 6144k
+  KERNEL_LOADADDR := 0x81001000
+  LZMA_TEXT_START := 0x82800000
+  SERCOMM_KERNEL_OFFSET := 0x400100
+  SERCOMM_ROOTFS_OFFSET := 0x1000000
+endef
+
+define Device/sercomm_cxx
+  $(Device/sercomm_cxx_dxx)
+  SERCOMM_KERNEL2_OFFSET := 0xa00100
+  SERCOMM_ROOTFS2_OFFSET := 0x3000000
+  KERNEL := kernel-bin | append-dtb | lzma | loader-kernel | lzma -a0 | \
+	uImage lzma
+  IMAGE/sysupgrade.bin := append-kernel | sercomm-kernel | \
+	sysupgrade-tar kernel=$$$$@ | append-metadata
+  IMAGE/factory.img := append-kernel | sercomm-kernel-factory | \
+	append-ubi | sercomm-factory-cqr | sercomm-mkhash
+endef
+
+define Device/sercomm_dxx
+  $(Device/sercomm_cxx_dxx)
+  KERNEL := kernel-bin | append-dtb | lzma | loader-kernel | lzma -a0 | \
+	uImage lzma | sercomm-kernel
+  KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-kernel | \
+	lzma -a0 | uImage lzma
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+  IMAGE/factory.img := append-ubi | check-size | \
+	sercomm-part-tag rootfs | sercomm-prepend-tagged-kernel kernel | \
+	gzip | sercomm-payload | sercomm-crypto
+endef
+
+define Device/sercomm_s1500
+  $(Device/sercomm)
+  SERCOMM_KERNEL_OFFSET := 0x1700100
+  SERCOMM_ROOTFS_OFFSET := 0x1f00000
+  SERCOMM_KERNEL2_OFFSET := 0x1b00100
+  KERNEL := kernel-bin | append-dtb | lzma | loader-kernel | lzma -a0 | \
+	uImage lzma
+  KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-kernel | \
+	lzma -a0 | uImage lzma
+  IMAGE/sysupgrade.bin := append-kernel | sercomm-kernel | \
+	sysupgrade-tar kernel=$$$$@ | append-metadata
+  DEVICE_PACKAGES := kmod-mt76x2 kmod-usb3
+endef

target/linux/ramips/image/common-tp-link.mk

@@ -0,0 +1,57 @@
+DEVICE_VARS += TPLINK_FLASHLAYOUT TPLINK_HWID TPLINK_HWREV TPLINK_HWREVADD
+DEVICE_VARS += TPLINK_HVERSION TPLINK_BOARD_ID TPLINK_HEADER_VERSION
+
+define Build/uImage-tplink-c9
+	mkimage \
+		-A $(LINUX_KARCH) \
+		-O linux \
+		-T $(word 1,$(1)) \
+		-C none \
+		-a $(KERNEL_LOADADDR) \
+		-e $(KERNEL_LOADADDR) \
+		-n $(wordlist 2,$(words $(1)),$(1)) \
+		-d $@ $@.new
+	mv $@.new $@
+endef
+
+define Device/tplink-v1
+  DEVICE_VENDOR := TP-Link
+  TPLINK_FLASHLAYOUT :=
+  TPLINK_HWID :=
+  TPLINK_HWREV := 0x1
+  TPLINK_HEADER_VERSION := 1
+  KERNEL := $(KERNEL_DTB)
+  KERNEL_INITRAMFS := $(KERNEL_DTB) | tplink-v1-header -e -O
+  IMAGES += factory.bin
+  IMAGE/factory.bin := tplink-v1-image factory -e -O
+  IMAGE/sysupgrade.bin := tplink-v1-image sysupgrade -e -O | check-size | \
+	append-metadata
+endef
+
+define Device/tplink-v2
+  DEVICE_VENDOR := TP-Link
+  TPLINK_FLASHLAYOUT :=
+  TPLINK_HWID :=
+  TPLINK_HWREV := 0x1
+  TPLINK_HWREVADD := 0x0
+  TPLINK_HVERSION := 3
+  KERNEL := $(KERNEL_DTB)
+  KERNEL_INITRAMFS := $(KERNEL_DTB) | tplink-v2-header -e
+  IMAGES += factory.bin
+  IMAGE/factory.bin := tplink-v2-image -e
+  IMAGE/sysupgrade.bin := tplink-v2-image -s -e | check-size | \
+	append-metadata
+endef
+
+define Device/tplink-safeloader
+  DEVICE_VENDOR := TP-Link
+  TPLINK_BOARD_ID :=
+  TPLINK_HWID := 0x0
+  TPLINK_HWREV := 0x0
+  TPLINK_HEADER_VERSION := 1
+  KERNEL := $(KERNEL_DTB) | tplink-v1-header -e -O
+  IMAGES += factory.bin
+  IMAGE/sysupgrade.bin := append-rootfs | tplink-safeloader sysupgrade | \
+	check-size | append-metadata
+  IMAGE/factory.bin := append-rootfs | tplink-safeloader factory
+endef

target/linux/ramips/image/lzma-loader/Makefile

@@ -0,0 +1,72 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+LZMA_TEXT_START	:= 0x80a00000
+LOADER		:= loader.bin
+LOADER_NAME	:= $(basename $(notdir $(LOADER)))
+LOADER_DATA 	:=
+TARGET_DIR	:=
+FLASH_START	:=
+FLASH_OFFS	:=
+FLASH_MAX	:=
+BOARD		:=
+PLATFORM	:=
+SUBTARGET	:=
+CACHE_FLAGS    := -DCONFIG_CACHELINE_SIZE=32
+
+ifeq ($(TARGET_DIR),)
+TARGET_DIR	:= $(KDIR)
+endif
+
+LOADER_BIN	:= $(TARGET_DIR)/$(LOADER_NAME).bin
+LOADER_GZ	:= $(TARGET_DIR)/$(LOADER_NAME).gz
+LOADER_ELF	:= $(TARGET_DIR)/$(LOADER_NAME).elf
+
+PKG_NAME := lzma-loader
+PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)
+
+.PHONY : loader-compile loader.bin loader.elf loader.gz
+
+$(PKG_BUILD_DIR)/.prepared:
+	mkdir $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+	touch $@
+
+loader-compile: $(PKG_BUILD_DIR)/.prepared
+	$(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
+		LZMA_TEXT_START=$(LZMA_TEXT_START) \
+		LOADER_DATA=$(LOADER_DATA) \
+		FLASH_START=$(FLASH_START) \
+		FLASH_OFFS=$(FLASH_OFFS) \
+		FLASH_MAX=$(FLASH_MAX) \
+		BOARD="$(BOARD)" \
+		PLATFORM="$(PLATFORM)" \
+		SUBTARGET="$(SUBTARGET)" \
+		CACHE_FLAGS="$(CACHE_FLAGS)" \
+		clean all
+
+loader.gz: $(PKG_BUILD_DIR)/loader.bin
+	gzip -nc9 $< > $(LOADER_GZ)
+
+loader.elf: $(PKG_BUILD_DIR)/loader.elf
+	$(CP) $< $(LOADER_ELF)
+
+loader.bin: $(PKG_BUILD_DIR)/loader.bin
+	$(CP) $< $(LOADER_BIN)
+
+download:
+prepare: $(PKG_BUILD_DIR)/.prepared
+compile: loader-compile
+
+install:
+
+clean:
+	rm -rf $(PKG_BUILD_DIR)
+

target/linux/ramips/image/lzma-loader/src/LzmaDecode.c

@@ -0,0 +1,584 @@
+/*
+  LzmaDecode.c
+  LZMA Decoder (optimized for Speed version)
+  
+  LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
+  http://www.7-zip.org/
+
+  LZMA SDK is licensed under two licenses:
+  1) GNU Lesser General Public License (GNU LGPL)
+  2) Common Public License (CPL)
+  It means that you can select one of these two licenses and 
+  follow rules of that license.
+
+  SPECIAL EXCEPTION:
+  Igor Pavlov, as the author of this Code, expressly permits you to 
+  statically or dynamically link your Code (or bind by name) to the 
+  interfaces of this file without subjecting your linked Code to the 
+  terms of the CPL or GNU LGPL. Any modifications or additions 
+  to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#include "LzmaDecode.h"
+
+#define kNumTopBits 24
+#define kTopValue ((UInt32)1 << kNumTopBits)
+
+#define kNumBitModelTotalBits 11
+#define kBitModelTotal (1 << kNumBitModelTotalBits)
+#define kNumMoveBits 5
+
+#define RC_READ_BYTE (*Buffer++)
+
+#define RC_INIT2 Code = 0; Range = 0xFFFFFFFF; \
+  { int i; for(i = 0; i < 5; i++) { RC_TEST; Code = (Code << 8) | RC_READ_BYTE; }}
+
+#ifdef _LZMA_IN_CB
+
+#define RC_TEST { if (Buffer == BufferLim) \
+  { SizeT size; int result = InCallback->Read(InCallback, &Buffer, &size); if (result != LZMA_RESULT_OK) return result; \
+  BufferLim = Buffer + size; if (size == 0) return LZMA_RESULT_DATA_ERROR; }}
+
+#define RC_INIT Buffer = BufferLim = 0; RC_INIT2
+
+#else
+
+#define RC_TEST { if (Buffer == BufferLim) return LZMA_RESULT_DATA_ERROR; }
+
+#define RC_INIT(buffer, bufferSize) Buffer = buffer; BufferLim = buffer + bufferSize; RC_INIT2
+ 
+#endif
+
+#define RC_NORMALIZE if (Range < kTopValue) { RC_TEST; Range <<= 8; Code = (Code << 8) | RC_READ_BYTE; }
+
+#define IfBit0(p) RC_NORMALIZE; bound = (Range >> kNumBitModelTotalBits) * *(p); if (Code < bound)
+#define UpdateBit0(p) Range = bound; *(p) += (kBitModelTotal - *(p)) >> kNumMoveBits;
+#define UpdateBit1(p) Range -= bound; Code -= bound; *(p) -= (*(p)) >> kNumMoveBits;
+
+#define RC_GET_BIT2(p, mi, A0, A1) IfBit0(p) \
+  { UpdateBit0(p); mi <<= 1; A0; } else \
+  { UpdateBit1(p); mi = (mi + mi) + 1; A1; } 
+  
+#define RC_GET_BIT(p, mi) RC_GET_BIT2(p, mi, ; , ;)               
+
+#define RangeDecoderBitTreeDecode(probs, numLevels, res) \
+  { int i = numLevels; res = 1; \
+  do { CProb *p = probs + res; RC_GET_BIT(p, res) } while(--i != 0); \
+  res -= (1 << numLevels); }
+
+
+#define kNumPosBitsMax 4
+#define kNumPosStatesMax (1 << kNumPosBitsMax)
+
+#define kLenNumLowBits 3
+#define kLenNumLowSymbols (1 << kLenNumLowBits)
+#define kLenNumMidBits 3
+#define kLenNumMidSymbols (1 << kLenNumMidBits)
+#define kLenNumHighBits 8
+#define kLenNumHighSymbols (1 << kLenNumHighBits)
+
+#define LenChoice 0
+#define LenChoice2 (LenChoice + 1)
+#define LenLow (LenChoice2 + 1)
+#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
+#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
+#define kNumLenProbs (LenHigh + kLenNumHighSymbols) 
+
+
+#define kNumStates 12
+#define kNumLitStates 7
+
+#define kStartPosModelIndex 4
+#define kEndPosModelIndex 14
+#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
+
+#define kNumPosSlotBits 6
+#define kNumLenToPosStates 4
+
+#define kNumAlignBits 4
+#define kAlignTableSize (1 << kNumAlignBits)
+
+#define kMatchMinLen 2
+
+#define IsMatch 0
+#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
+#define IsRepG0 (IsRep + kNumStates)
+#define IsRepG1 (IsRepG0 + kNumStates)
+#define IsRepG2 (IsRepG1 + kNumStates)
+#define IsRep0Long (IsRepG2 + kNumStates)
+#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
+#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
+#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
+#define LenCoder (Align + kAlignTableSize)
+#define RepLenCoder (LenCoder + kNumLenProbs)
+#define Literal (RepLenCoder + kNumLenProbs)
+
+#if Literal != LZMA_BASE_SIZE
+StopCompilingDueBUG
+#endif
+
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size)
+{
+  unsigned char prop0;
+  if (size < LZMA_PROPERTIES_SIZE)
+    return LZMA_RESULT_DATA_ERROR;
+  prop0 = propsData[0];
+  if (prop0 >= (9 * 5 * 5))
+    return LZMA_RESULT_DATA_ERROR;
+  {
+    for (propsRes->pb = 0; prop0 >= (9 * 5); propsRes->pb++, prop0 -= (9 * 5));
+    for (propsRes->lp = 0; prop0 >= 9; propsRes->lp++, prop0 -= 9);
+    propsRes->lc = prop0;
+    /*
+    unsigned char remainder = (unsigned char)(prop0 / 9);
+    propsRes->lc = prop0 % 9;
+    propsRes->pb = remainder / 5;
+    propsRes->lp = remainder % 5;
+    */
+  }
+
+  #ifdef _LZMA_OUT_READ
+  {
+    int i;
+    propsRes->DictionarySize = 0;
+    for (i = 0; i < 4; i++)
+      propsRes->DictionarySize += (UInt32)(propsData[1 + i]) << (i * 8);
+    if (propsRes->DictionarySize == 0)
+      propsRes->DictionarySize = 1;
+  }
+  #endif
+  return LZMA_RESULT_OK;
+}
+
+#define kLzmaStreamWasFinishedId (-1)
+
+int LzmaDecode(CLzmaDecoderState *vs,
+    #ifdef _LZMA_IN_CB
+    ILzmaInCallback *InCallback,
+    #else
+    const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+    #endif
+    unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed)
+{
+  CProb *p = vs->Probs;
+  SizeT nowPos = 0;
+  Byte previousByte = 0;
+  UInt32 posStateMask = (1 << (vs->Properties.pb)) - 1;
+  UInt32 literalPosMask = (1 << (vs->Properties.lp)) - 1;
+  int lc = vs->Properties.lc;
+
+  #ifdef _LZMA_OUT_READ
+  
+  UInt32 Range = vs->Range;
+  UInt32 Code = vs->Code;
+  #ifdef _LZMA_IN_CB
+  const Byte *Buffer = vs->Buffer;
+  const Byte *BufferLim = vs->BufferLim;
+  #else
+  const Byte *Buffer = inStream;
+  const Byte *BufferLim = inStream + inSize;
+  #endif
+  int state = vs->State;
+  UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
+  int len = vs->RemainLen;
+  UInt32 globalPos = vs->GlobalPos;
+  UInt32 distanceLimit = vs->DistanceLimit;
+
+  Byte *dictionary = vs->Dictionary;
+  UInt32 dictionarySize = vs->Properties.DictionarySize;
+  UInt32 dictionaryPos = vs->DictionaryPos;
+
+  Byte tempDictionary[4];
+
+  #ifndef _LZMA_IN_CB
+  *inSizeProcessed = 0;
+  #endif
+  *outSizeProcessed = 0;
+  if (len == kLzmaStreamWasFinishedId)
+    return LZMA_RESULT_OK;
+
+  if (dictionarySize == 0)
+  {
+    dictionary = tempDictionary;
+    dictionarySize = 1;
+    tempDictionary[0] = vs->TempDictionary[0];
+  }
+
+  if (len == kLzmaNeedInitId)
+  {
+    {
+      UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+      UInt32 i;
+      for (i = 0; i < numProbs; i++)
+        p[i] = kBitModelTotal >> 1; 
+      rep0 = rep1 = rep2 = rep3 = 1;
+      state = 0;
+      globalPos = 0;
+      distanceLimit = 0;
+      dictionaryPos = 0;
+      dictionary[dictionarySize - 1] = 0;
+      #ifdef _LZMA_IN_CB
+      RC_INIT;
+      #else
+      RC_INIT(inStream, inSize);
+      #endif
+    }
+    len = 0;
+  }
+  while(len != 0 && nowPos < outSize)
+  {
+    UInt32 pos = dictionaryPos - rep0;
+    if (pos >= dictionarySize)
+      pos += dictionarySize;
+    outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
+    if (++dictionaryPos == dictionarySize)
+      dictionaryPos = 0;
+    len--;
+  }
+  if (dictionaryPos == 0)
+    previousByte = dictionary[dictionarySize - 1];
+  else
+    previousByte = dictionary[dictionaryPos - 1];
+
+  #else /* if !_LZMA_OUT_READ */
+
+  int state = 0;
+  UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
+  int len = 0;
+  const Byte *Buffer;
+  const Byte *BufferLim;
+  UInt32 Range;
+  UInt32 Code;
+
+  #ifndef _LZMA_IN_CB
+  *inSizeProcessed = 0;
+  #endif
+  *outSizeProcessed = 0;
+
+  {
+    UInt32 i;
+    UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + vs->Properties.lp));
+    for (i = 0; i < numProbs; i++)
+      p[i] = kBitModelTotal >> 1;
+  }
+  
+  #ifdef _LZMA_IN_CB
+  RC_INIT;
+  #else
+  RC_INIT(inStream, inSize);
+  #endif
+
+  #endif /* _LZMA_OUT_READ */
+
+  while(nowPos < outSize)
+  {
+    CProb *prob;
+    UInt32 bound;
+    int posState = (int)(
+        (nowPos 
+        #ifdef _LZMA_OUT_READ
+        + globalPos
+        #endif
+        )
+        & posStateMask);
+
+    prob = p + IsMatch + (state << kNumPosBitsMax) + posState;
+    IfBit0(prob)
+    {
+      int symbol = 1;
+      UpdateBit0(prob)
+      prob = p + Literal + (LZMA_LIT_SIZE * 
+        (((
+        (nowPos 
+        #ifdef _LZMA_OUT_READ
+        + globalPos
+        #endif
+        )
+        & literalPosMask) << lc) + (previousByte >> (8 - lc))));
+
+      if (state >= kNumLitStates)
+      {
+        int matchByte;
+        #ifdef _LZMA_OUT_READ
+        UInt32 pos = dictionaryPos - rep0;
+        if (pos >= dictionarySize)
+          pos += dictionarySize;
+        matchByte = dictionary[pos];
+        #else
+        matchByte = outStream[nowPos - rep0];
+        #endif
+        do
+        {
+          int bit;
+          CProb *probLit;
+          matchByte <<= 1;
+          bit = (matchByte & 0x100);
+          probLit = prob + 0x100 + bit + symbol;
+          RC_GET_BIT2(probLit, symbol, if (bit != 0) break, if (bit == 0) break)
+        }
+        while (symbol < 0x100);
+      }
+      while (symbol < 0x100)
+      {
+        CProb *probLit = prob + symbol;
+        RC_GET_BIT(probLit, symbol)
+      }
+      previousByte = (Byte)symbol;
+
+      outStream[nowPos++] = previousByte;
+      #ifdef _LZMA_OUT_READ
+      if (distanceLimit < dictionarySize)
+        distanceLimit++;
+
+      dictionary[dictionaryPos] = previousByte;
+      if (++dictionaryPos == dictionarySize)
+        dictionaryPos = 0;
+      #endif
+      if (state < 4) state = 0;
+      else if (state < 10) state -= 3;
+      else state -= 6;
+    }
+    else             
+    {
+      UpdateBit1(prob);
+      prob = p + IsRep + state;
+      IfBit0(prob)
+      {
+        UpdateBit0(prob);
+        rep3 = rep2;
+        rep2 = rep1;
+        rep1 = rep0;
+        state = state < kNumLitStates ? 0 : 3;
+        prob = p + LenCoder;
+      }
+      else
+      {
+        UpdateBit1(prob);
+        prob = p + IsRepG0 + state;
+        IfBit0(prob)
+        {
+          UpdateBit0(prob);
+          prob = p + IsRep0Long + (state << kNumPosBitsMax) + posState;
+          IfBit0(prob)
+          {
+            #ifdef _LZMA_OUT_READ
+            UInt32 pos;
+            #endif
+            UpdateBit0(prob);
+            
+            #ifdef _LZMA_OUT_READ
+            if (distanceLimit == 0)
+            #else
+            if (nowPos == 0)
+            #endif
+              return LZMA_RESULT_DATA_ERROR;
+            
+            state = state < kNumLitStates ? 9 : 11;
+            #ifdef _LZMA_OUT_READ
+            pos = dictionaryPos - rep0;
+            if (pos >= dictionarySize)
+              pos += dictionarySize;
+            previousByte = dictionary[pos];
+            dictionary[dictionaryPos] = previousByte;
+            if (++dictionaryPos == dictionarySize)
+              dictionaryPos = 0;
+            #else
+            previousByte = outStream[nowPos - rep0];
+            #endif
+            outStream[nowPos++] = previousByte;
+            #ifdef _LZMA_OUT_READ
+            if (distanceLimit < dictionarySize)
+              distanceLimit++;
+            #endif
+
+            continue;
+          }
+          else
+          {
+            UpdateBit1(prob);
+          }
+        }
+        else
+        {
+          UInt32 distance;
+          UpdateBit1(prob);
+          prob = p + IsRepG1 + state;
+          IfBit0(prob)
+          {
+            UpdateBit0(prob);
+            distance = rep1;
+          }
+          else 
+          {
+            UpdateBit1(prob);
+            prob = p + IsRepG2 + state;
+            IfBit0(prob)
+            {
+              UpdateBit0(prob);
+              distance = rep2;
+            }
+            else
+            {
+              UpdateBit1(prob);
+              distance = rep3;
+              rep3 = rep2;
+            }
+            rep2 = rep1;
+          }
+          rep1 = rep0;
+          rep0 = distance;
+        }
+        state = state < kNumLitStates ? 8 : 11;
+        prob = p + RepLenCoder;
+      }
+      {
+        int numBits, offset;
+        CProb *probLen = prob + LenChoice;
+        IfBit0(probLen)
+        {
+          UpdateBit0(probLen);
+          probLen = prob + LenLow + (posState << kLenNumLowBits);
+          offset = 0;
+          numBits = kLenNumLowBits;
+        }
+        else
+        {
+          UpdateBit1(probLen);
+          probLen = prob + LenChoice2;
+          IfBit0(probLen)
+          {
+            UpdateBit0(probLen);
+            probLen = prob + LenMid + (posState << kLenNumMidBits);
+            offset = kLenNumLowSymbols;
+            numBits = kLenNumMidBits;
+          }
+          else
+          {
+            UpdateBit1(probLen);
+            probLen = prob + LenHigh;
+            offset = kLenNumLowSymbols + kLenNumMidSymbols;
+            numBits = kLenNumHighBits;
+          }
+        }
+        RangeDecoderBitTreeDecode(probLen, numBits, len);
+        len += offset;
+      }
+
+      if (state < 4)
+      {
+        int posSlot;
+        state += kNumLitStates;
+        prob = p + PosSlot +
+            ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << 
+            kNumPosSlotBits);
+        RangeDecoderBitTreeDecode(prob, kNumPosSlotBits, posSlot);
+        if (posSlot >= kStartPosModelIndex)
+        {
+          int numDirectBits = ((posSlot >> 1) - 1);
+          rep0 = (2 | ((UInt32)posSlot & 1));
+          if (posSlot < kEndPosModelIndex)
+          {
+            rep0 <<= numDirectBits;
+            prob = p + SpecPos + rep0 - posSlot - 1;
+          }
+          else
+          {
+            numDirectBits -= kNumAlignBits;
+            do
+            {
+              RC_NORMALIZE
+              Range >>= 1;
+              rep0 <<= 1;
+              if (Code >= Range)
+              {
+                Code -= Range;
+                rep0 |= 1;
+              }
+            }
+            while (--numDirectBits != 0);
+            prob = p + Align;
+            rep0 <<= kNumAlignBits;
+            numDirectBits = kNumAlignBits;
+          }
+          {
+            int i = 1;
+            int mi = 1;
+            do
+            {
+              CProb *prob3 = prob + mi;
+              RC_GET_BIT2(prob3, mi, ; , rep0 |= i);
+              i <<= 1;
+            }
+            while(--numDirectBits != 0);
+          }
+        }
+        else
+          rep0 = posSlot;
+        if (++rep0 == (UInt32)(0))
+        {
+          /* it's for stream version */
+          len = kLzmaStreamWasFinishedId;
+          break;
+        }
+      }
+
+      len += kMatchMinLen;
+      #ifdef _LZMA_OUT_READ
+      if (rep0 > distanceLimit) 
+      #else
+      if (rep0 > nowPos)
+      #endif
+        return LZMA_RESULT_DATA_ERROR;
+
+      #ifdef _LZMA_OUT_READ
+      if (dictionarySize - distanceLimit > (UInt32)len)
+        distanceLimit += len;
+      else
+        distanceLimit = dictionarySize;
+      #endif
+
+      do
+      {
+        #ifdef _LZMA_OUT_READ
+        UInt32 pos = dictionaryPos - rep0;
+        if (pos >= dictionarySize)
+          pos += dictionarySize;
+        previousByte = dictionary[pos];
+        dictionary[dictionaryPos] = previousByte;
+        if (++dictionaryPos == dictionarySize)
+          dictionaryPos = 0;
+        #else
+        previousByte = outStream[nowPos - rep0];
+        #endif
+        len--;
+        outStream[nowPos++] = previousByte;
+      }
+      while(len != 0 && nowPos < outSize);
+    }
+  }
+  RC_NORMALIZE;
+
+  #ifdef _LZMA_OUT_READ
+  vs->Range = Range;
+  vs->Code = Code;
+  vs->DictionaryPos = dictionaryPos;
+  vs->GlobalPos = globalPos + (UInt32)nowPos;
+  vs->DistanceLimit = distanceLimit;
+  vs->Reps[0] = rep0;
+  vs->Reps[1] = rep1;
+  vs->Reps[2] = rep2;
+  vs->Reps[3] = rep3;
+  vs->State = state;
+  vs->RemainLen = len;
+  vs->TempDictionary[0] = tempDictionary[0];
+  #endif
+
+  #ifdef _LZMA_IN_CB
+  vs->Buffer = Buffer;
+  vs->BufferLim = BufferLim;
+  #else
+  *inSizeProcessed = (SizeT)(Buffer - inStream);
+  #endif
+  *outSizeProcessed = nowPos;
+  return LZMA_RESULT_OK;
+}

target/linux/ramips/image/lzma-loader/src/LzmaDecode.h

@@ -0,0 +1,113 @@
+/* 
+  LzmaDecode.h
+  LZMA Decoder interface
+
+  LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
+  http://www.7-zip.org/
+
+  LZMA SDK is licensed under two licenses:
+  1) GNU Lesser General Public License (GNU LGPL)
+  2) Common Public License (CPL)
+  It means that you can select one of these two licenses and 
+  follow rules of that license.
+
+  SPECIAL EXCEPTION:
+  Igor Pavlov, as the author of this code, expressly permits you to 
+  statically or dynamically link your code (or bind by name) to the 
+  interfaces of this file without subjecting your linked code to the 
+  terms of the CPL or GNU LGPL. Any modifications or additions 
+  to this file, however, are subject to the LGPL or CPL terms.
+*/
+
+#ifndef __LZMADECODE_H
+#define __LZMADECODE_H
+
+#include "LzmaTypes.h"
+
+/* #define _LZMA_IN_CB */
+/* Use callback for input data */
+
+/* #define _LZMA_OUT_READ */
+/* Use read function for output data */
+
+/* #define _LZMA_PROB32 */
+/* It can increase speed on some 32-bit CPUs, 
+   but memory usage will be doubled in that case */
+
+/* #define _LZMA_LOC_OPT */
+/* Enable local speed optimizations inside code */
+
+#ifdef _LZMA_PROB32
+#define CProb UInt32
+#else
+#define CProb UInt16
+#endif
+
+#define LZMA_RESULT_OK 0
+#define LZMA_RESULT_DATA_ERROR 1
+
+#ifdef _LZMA_IN_CB
+typedef struct _ILzmaInCallback
+{
+  int (*Read)(void *object, const unsigned char **buffer, SizeT *bufferSize);
+} ILzmaInCallback;
+#endif
+
+#define LZMA_BASE_SIZE 1846
+#define LZMA_LIT_SIZE 768
+
+#define LZMA_PROPERTIES_SIZE 5
+
+typedef struct _CLzmaProperties
+{
+  int lc;
+  int lp;
+  int pb;
+  #ifdef _LZMA_OUT_READ
+  UInt32 DictionarySize;
+  #endif
+}CLzmaProperties;
+
+int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size);
+
+#define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((Properties)->lc + (Properties)->lp)))
+
+#define kLzmaNeedInitId (-2)
+
+typedef struct _CLzmaDecoderState
+{
+  CLzmaProperties Properties;
+  CProb *Probs;
+
+  #ifdef _LZMA_IN_CB
+  const unsigned char *Buffer;
+  const unsigned char *BufferLim;
+  #endif
+
+  #ifdef _LZMA_OUT_READ
+  unsigned char *Dictionary;
+  UInt32 Range;
+  UInt32 Code;
+  UInt32 DictionaryPos;
+  UInt32 GlobalPos;
+  UInt32 DistanceLimit;
+  UInt32 Reps[4];
+  int State;
+  int RemainLen;
+  unsigned char TempDictionary[4];
+  #endif
+} CLzmaDecoderState;
+
+#ifdef _LZMA_OUT_READ
+#define LzmaDecoderInit(vs) { (vs)->RemainLen = kLzmaNeedInitId; }
+#endif
+
+int LzmaDecode(CLzmaDecoderState *vs,
+    #ifdef _LZMA_IN_CB
+    ILzmaInCallback *inCallback,
+    #else
+    const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
+    #endif
+    unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed);
+
+#endif

target/linux/ramips/image/lzma-loader/src/LzmaTypes.h

@@ -0,0 +1,45 @@
+/* 
+LzmaTypes.h 
+
+Types for LZMA Decoder
+
+This file written and distributed to public domain by Igor Pavlov.
+This file is part of LZMA SDK 4.40 (2006-05-01)
+*/
+
+#ifndef __LZMATYPES_H
+#define __LZMATYPES_H
+
+#ifndef _7ZIP_BYTE_DEFINED
+#define _7ZIP_BYTE_DEFINED
+typedef unsigned char Byte;
+#endif 
+
+#ifndef _7ZIP_UINT16_DEFINED
+#define _7ZIP_UINT16_DEFINED
+typedef unsigned short UInt16;
+#endif 
+
+#ifndef _7ZIP_UINT32_DEFINED
+#define _7ZIP_UINT32_DEFINED
+#ifdef _LZMA_UINT32_IS_ULONG
+typedef unsigned long UInt32;
+#else
+typedef unsigned int UInt32;
+#endif
+#endif 
+
+/* #define _LZMA_NO_SYSTEM_SIZE_T */
+/* You can use it, if you don't want <stddef.h> */
+
+#ifndef _7ZIP_SIZET_DEFINED
+#define _7ZIP_SIZET_DEFINED
+#ifdef _LZMA_NO_SYSTEM_SIZE_T
+typedef UInt32 SizeT;
+#else
+#include <stddef.h>
+typedef size_t SizeT;
+#endif
+#endif
+
+#endif

target/linux/ramips/image/lzma-loader/src/Makefile

@@ -0,0 +1,133 @@
+#
+# Makefile for the LZMA compressed kernel loader for
+# Atheros AR7XXX/AR9XXX based boards
+#
+# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+#
+# Some parts of this file was based on the OpenWrt specific lzma-loader
+# for the BCM47xx and ADM5120 based boards:
+#	Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+#	Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com>
+#	Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 as published
+# by the Free Software Foundation.
+#
+
+LOADADDR	:=
+LZMA_TEXT_START	:= 0x80a00000
+LOADER_DATA	:=
+BOARD		:=
+FLASH_START	:=
+FLASH_OFFS	:=
+FLASH_MAX	:=
+PLATFORM	:=
+SUBTARGET	:=
+CACHE_FLAGS	:=
+
+CC		:= $(CROSS_COMPILE)gcc
+LD		:= $(CROSS_COMPILE)ld
+OBJCOPY		:= $(CROSS_COMPILE)objcopy
+OBJDUMP		:= $(CROSS_COMPILE)objdump
+
+
+BIN_FLAGS	:= -O binary -R .reginfo -R .note -R .comment -R .mdebug \
+		   -R .MIPS.abiflags -S
+
+CFLAGS		= -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
+		  -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \
+		  -mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \
+		  -fno-common -ffreestanding -fhonour-copts -nostartfiles \
+		  -mabi=32 -march=mips32r2 \
+		  -Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -Wa,--trap
+CFLAGS		+= -D_LZMA_PROB32
+CFLAGS		+= -flto
+CFLAGS		+= $(CACHE_FLAGS)
+
+ASFLAGS		= $(CFLAGS) -D__ASSEMBLY__
+
+LDFLAGS		= -static -Wl,--gc-sections -Wl,-no-warn-mismatch
+LDFLAGS		+= -Wl,-e,startup -T loader.lds -Wl,-Ttext,$(LZMA_TEXT_START)
+LDFLAGS		+= -flto -fwhole-program -Wl,-z,max-page-size=4096
+
+O_FORMAT 	= $(shell $(OBJDUMP) -i | head -2 | grep elf32)
+
+OBJECTS		:= head.o loader.o cache.o board.o printf.o LzmaDecode.o
+
+ifeq ($(strip $(SUBTARGET)),)
+$(error "Please specify a SUBTARGET!")
+endif
+
+ifeq ($(strip $(SUBTARGET)),mt7620)
+CFLAGS	+= -DSOC_MT7620
+endif
+
+ifeq ($(strip $(SUBTARGET)),mt7621)
+CFLAGS	+= -DSOC_MT7621
+endif
+
+ifeq ($(strip $(SUBTARGET)),rt305x)
+CFLAGS	+= -DSOC_RT305X
+endif
+
+ifeq ($(strip $(SUBTARGET)),rt3883)
+CFLAGS	+= -DSOC_RT3883
+endif
+
+ifneq ($(strip $(LOADER_DATA)),)
+OBJECTS		+= data.o
+CFLAGS		+= -DLZMA_WRAPPER=1 -DLOADADDR=$(LOADADDR)
+endif
+
+ifneq ($(strip $(KERNEL_CMDLINE)),)
+CFLAGS		+= -DCONFIG_KERNEL_CMDLINE='"$(KERNEL_CMDLINE)"'
+endif
+
+ifneq ($(strip $(FLASH_START)),)
+CFLAGS		+= -DCONFIG_FLASH_START=$(FLASH_START)
+endif
+
+ifneq ($(strip $(FLASH_OFFS)),)
+CFLAGS		+= -DCONFIG_FLASH_OFFS=$(FLASH_OFFS)
+endif
+
+ifneq ($(strip $(FLASH_MAX)),)
+CFLAGS		+= -DCONFIG_FLASH_MAX=$(FLASH_MAX)
+endif
+
+all: loader.elf
+
+# Don't build dependencies, this may die if $(CC) isn't gcc
+dep:
+
+install:
+
+%.o : %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+%.o : %.S
+	$(CC) $(ASFLAGS) -c -o $@ $<
+
+data.o: $(LOADER_DATA)
+	$(LD) -r -b binary --oformat $(O_FORMAT) -T lzma-data.lds -o $@ $<
+
+loader: $(OBJECTS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS)
+
+loader.bin: loader
+	$(OBJCOPY) $(BIN_FLAGS) $< $@
+
+loader2.o: loader.bin
+	$(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
+
+loader.elf: loader2.o
+	$(LD) -e startup -T loader2.lds -Ttext $(LOADADDR) -z max-page-size=4096 -o $@ $<
+
+mrproper: clean
+
+clean:
+	rm -f loader *.elf *.bin *.o
+
+
+

target/linux/ramips/image/lzma-loader/src/board.c

@@ -0,0 +1,65 @@
+/*
+ * Arch specific code for ramips based boards
+ *
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2018 Tobias Schramm <tobleminer@gmail.com>
+ * Copyright (C) 2023 Antonio Vázquez <antoniovazquezblanco@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define KSEG0			0x80000000
+#define KSEG1			0xa0000000
+
+#define _ATYPE_ 		__PTRDIFF_TYPE__
+#define _ATYPE32_		int
+
+#define _ACAST32_		(_ATYPE_)(_ATYPE32_)
+
+#define CPHYSADDR(a)		((_ACAST32_(a)) & 0x1fffffff)
+
+#define KSEG0ADDR(a)		(CPHYSADDR(a) | KSEG0)
+#define KSEG1ADDR(a)		(CPHYSADDR(a) | KSEG1)
+
+#define UART_LSR_THRE		0x20
+#define UART_LSR_TEMT		0x40
+
+#if defined(SOC_MT7620) || defined(SOC_RT3883)
+#define UART_BASE			KSEG1ADDR(0x10000c00)
+#define UART_THR			(UART_BASE + 0x04)
+#define UART_LSR			(UART_BASE + 0x1c)
+#define UART_LSR_MASK			UART_LSR_TEMT
+#elif defined(SOC_MT7621)
+#define UART_BASE			KSEG1ADDR(0x1e000c00)
+#define UART_THR			(UART_BASE + 0x00)
+#define UART_LSR			(UART_BASE + 0x14)
+#define UART_LSR_MASK			UART_LSR_THRE
+#elif defined(SOC_RT305X)
+#define UART_BASE			KSEG1ADDR(0x10000c00)
+#define UART_THR			(UART_BASE + 0x04)
+#define UART_LSR			(UART_BASE + 0x1c)
+#define UART_LSR_MASK			UART_LSR_THRE
+#else
+#error "Unsupported SOC..."
+#endif
+
+// Helper functions
+#define READREG(r)		(*(volatile uint32_t *)(r))
+#define WRITEREG(r,v)	(*(volatile uint32_t *)(r)) = v
+
+
+void board_init(void)
+{
+}
+
+void board_putc(int ch)
+{
+	while ((READREG(UART_LSR) & UART_LSR_MASK) == 0);
+	WRITEREG(UART_THR, ch);
+	while ((READREG(UART_LSR) & UART_LSR_MASK) == 0);
+}

target/linux/ramips/image/lzma-loader/src/cache.c

@@ -0,0 +1,43 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * The cache manipulation routine has been taken from the U-Boot project.
+ *	(C) Copyright 2003
+ *	Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#include "cache.h"
+#include "cacheops.h"
+#include "config.h"
+
+#define cache_op(op,addr)						\
+	__asm__ __volatile__(						\
+	"	.set	push					\n"	\
+	"	.set	noreorder				\n"	\
+	"	.set	mips3\n\t				\n"	\
+	"	cache	%0, %1					\n"	\
+	"	.set	pop					\n"	\
+	:								\
+	: "i" (op), "R" (*(unsigned char *)(addr)))
+
+void flush_cache(unsigned long start_addr, unsigned long size)
+{
+	unsigned long lsize = CONFIG_CACHELINE_SIZE;
+	unsigned long addr = start_addr & ~(lsize - 1);
+	unsigned long aend = (start_addr + size - 1) & ~(lsize - 1);
+
+	while (1) {
+		cache_op(Hit_Writeback_Inv_D, addr);
+		cache_op(Hit_Invalidate_I, addr);
+		if (addr == aend)
+			break;
+		addr += lsize;
+	}
+}

target/linux/ramips/image/lzma-loader/src/cache.h

@@ -0,0 +1,17 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#ifndef __CACHE_H
+#define __CACHE_H
+
+void flush_cache(unsigned long start_addr, unsigned long size);
+
+#endif /* __CACHE_H */

target/linux/ramips/image/lzma-loader/src/cacheops.h

@@ -0,0 +1,85 @@
+/*
+ * Cache operations for the cache instruction.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
+ * (C) Copyright 1999 Silicon Graphics, Inc.
+ */
+#ifndef	__ASM_CACHEOPS_H
+#define	__ASM_CACHEOPS_H
+
+/*
+ * Cache Operations available on all MIPS processors with R4000-style caches
+ */
+#define Index_Invalidate_I      0x00
+#define Index_Writeback_Inv_D   0x01
+#define Index_Load_Tag_I	0x04
+#define Index_Load_Tag_D	0x05
+#define Index_Store_Tag_I	0x08
+#define Index_Store_Tag_D	0x09
+#if defined(CONFIG_CPU_LOONGSON2)
+#define Hit_Invalidate_I	0x00
+#else
+#define Hit_Invalidate_I	0x10
+#endif
+#define Hit_Invalidate_D	0x11
+#define Hit_Writeback_Inv_D	0x15
+
+/*
+ * R4000-specific cacheops
+ */
+#define Create_Dirty_Excl_D	0x0d
+#define Fill			0x14
+#define Hit_Writeback_I		0x18
+#define Hit_Writeback_D		0x19
+
+/*
+ * R4000SC and R4400SC-specific cacheops
+ */
+#define Index_Invalidate_SI     0x02
+#define Index_Writeback_Inv_SD  0x03
+#define Index_Load_Tag_SI	0x06
+#define Index_Load_Tag_SD	0x07
+#define Index_Store_Tag_SI	0x0A
+#define Index_Store_Tag_SD	0x0B
+#define Create_Dirty_Excl_SD	0x0f
+#define Hit_Invalidate_SI	0x12
+#define Hit_Invalidate_SD	0x13
+#define Hit_Writeback_Inv_SD	0x17
+#define Hit_Writeback_SD	0x1b
+#define Hit_Set_Virtual_SI	0x1e
+#define Hit_Set_Virtual_SD	0x1f
+
+/*
+ * R5000-specific cacheops
+ */
+#define R5K_Page_Invalidate_S	0x17
+
+/*
+ * RM7000-specific cacheops
+ */
+#define Page_Invalidate_T	0x16
+
+/*
+ * R10000-specific cacheops
+ *
+ * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
+ * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
+ */
+#define Index_Writeback_Inv_S	0x03
+#define Index_Load_Tag_S	0x07
+#define Index_Store_Tag_S	0x0B
+#define Hit_Invalidate_S	0x13
+#define Cache_Barrier		0x14
+#define Hit_Writeback_Inv_S	0x17
+#define Index_Load_Data_I	0x18
+#define Index_Load_Data_D	0x19
+#define Index_Load_Data_S	0x1b
+#define Index_Store_Data_I	0x1c
+#define Index_Store_Data_D	0x1d
+#define Index_Store_Data_S	0x1f
+
+#endif	/* __ASM_CACHEOPS_H */

target/linux/ramips/image/lzma-loader/src/config.h

@@ -0,0 +1,27 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#ifndef CONFIG_FLASH_OFFS
+#define CONFIG_FLASH_OFFS	0
+#endif
+
+#ifndef CONFIG_FLASH_MAX
+#define CONFIG_FLASH_MAX	0
+#endif
+
+#ifndef CONFIG_FLASH_STEP
+#define CONFIG_FLASH_STEP	0x1000
+#endif
+
+#endif /* _CONFIG_H_ */

target/linux/ramips/image/lzma-loader/src/cp0regdef.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
+ *
+ * Copyright (C) 2001, Monta Vista Software
+ * Author: jsun@mvista.com or jsun@junsun.net
+ */
+#ifndef _cp0regdef_h_
+#define _cp0regdef_h_
+
+#define CP0_INDEX $0
+#define CP0_RANDOM $1
+#define CP0_ENTRYLO0 $2
+#define CP0_ENTRYLO1 $3
+#define CP0_CONTEXT $4
+#define CP0_PAGEMASK $5
+#define CP0_WIRED $6
+#define CP0_BADVADDR $8
+#define CP0_COUNT $9
+#define CP0_ENTRYHI $10
+#define CP0_COMPARE $11
+#define CP0_STATUS $12
+#define CP0_CAUSE $13
+#define CP0_EPC $14
+#define CP0_PRID $15
+#define CP0_CONFIG $16
+#define CP0_LLADDR $17
+#define CP0_WATCHLO $18
+#define CP0_WATCHHI $19
+#define CP0_XCONTEXT $20
+#define CP0_FRAMEMASK $21
+#define CP0_DIAGNOSTIC $22
+#define CP0_PERFORMANCE $25
+#define CP0_ECC $26
+#define CP0_CACHEERR $27
+#define CP0_TAGLO $28
+#define CP0_TAGHI $29
+#define CP0_ERROREPC $30
+
+#endif

target/linux/ramips/image/lzma-loader/src/head.S

@@ -0,0 +1,121 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Some parts of this code was based on the OpenWrt specific lzma-loader
+ * for the BCM47xx and ADM5120 based boards:
+ *	Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+ *	Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <asm/asm.h>
+#include <asm/regdef.h>
+#include "cp0regdef.h"
+#include "cacheops.h"
+#include "config.h"
+
+#define KSEG0		0x80000000
+
+	.macro	ehb
+	sll     zero, 3
+	.endm
+
+	.text
+
+LEAF(startup)
+	.set noreorder
+	.set mips32
+
+	mtc0	zero, CP0_WATCHLO	# clear watch registers
+	mtc0	zero, CP0_WATCHHI
+	mtc0	zero, CP0_CAUSE		# clear before writing status register
+
+	mfc0	t0, CP0_STATUS
+	li	t1, 0x1000001f
+	or	t0, t1
+	xori	t0, 0x1f
+	mtc0	t0, CP0_STATUS
+	ehb
+
+	mtc0	zero, CP0_COUNT
+	mtc0	zero, CP0_COMPARE
+	ehb
+
+	la	t0, __reloc_label	# get linked address of label
+	bal	__reloc_label		# branch and link to label to
+	nop				# get actual address
+__reloc_label:
+	subu	t0, ra, t0		# get reloc_delta
+
+	beqz	t0, __reloc_done         # if delta is 0 we are in the right place
+	nop
+
+	/* Copy our code to the right place */
+	la	t1, _code_start		# get linked address of _code_start
+	la	t2, _code_end		# get linked address of _code_end
+	addu	t0, t0, t1		# calculate actual address of _code_start
+
+__reloc_copy:
+	lw	t3, 0(t0)
+	sw	t3, 0(t1)
+	add	t1, 4
+	blt	t1, t2, __reloc_copy
+	add	t0, 4
+
+	/* flush cache */
+	la	t0, _code_start
+	la	t1, _code_end
+
+	li	t2, ~(CONFIG_CACHELINE_SIZE - 1)
+	and	t0, t2
+	and	t1, t2
+	li	t2, CONFIG_CACHELINE_SIZE
+
+	b	__flush_check
+	nop
+
+__flush_line:
+	cache	Hit_Writeback_Inv_D, 0(t0)
+	cache	Hit_Invalidate_I, 0(t0)
+	add	t0, t2
+
+__flush_check:
+	bne	t0, t1, __flush_line
+	nop
+
+	sync
+
+__reloc_done:
+
+	/* clear bss */
+	la	t0, _bss_start
+	la	t1, _bss_end
+	b	__bss_check
+	nop
+
+__bss_fill:
+	sw	zero, 0(t0)
+	addi	t0, 4
+
+__bss_check:
+	bne	t0, t1, __bss_fill
+	nop
+
+	/* Setup new "C" stack */
+	la	sp, _stack
+
+	/* reserve stack space for a0-a3 registers */
+	subu	sp, 16
+
+	/* jump to the decompressor routine */
+	la	t0, loader_main
+	jr	t0
+	nop
+
+	.set reorder
+END(startup)

target/linux/ramips/image/lzma-loader/src/loader.c

@@ -0,0 +1,262 @@
+/*
+ * LZMA compressed kernel loader for Atheros AR7XXX/AR9XXX based boards
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Some parts of this code was based on the OpenWrt specific lzma-loader
+ * for the BCM47xx and ADM5120 based boards:
+ *	Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org)
+ *	Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com>
+ *	Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su>
+ *
+ * The image_header structure has been taken from the U-Boot project.
+ *	(C) Copyright 2008 Semihalf
+ *	(C) Copyright 2000-2005
+ *	Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "config.h"
+#include "cache.h"
+#include "printf.h"
+#include "LzmaDecode.h"
+
+#define KSEG0			0x80000000
+#define KSEG1			0xa0000000
+
+#define KSEG1ADDR(a)		((((unsigned)(a)) & 0x1fffffffU) | KSEG1)
+
+#undef LZMA_DEBUG
+
+#ifdef LZMA_DEBUG
+#  define DBG(f, a...)	printf(f, ## a)
+#else
+#  define DBG(f, a...)	do {} while (0)
+#endif
+
+#define IH_MAGIC_OKLI		0x4f4b4c49	/* 'OKLI' */
+
+#define IH_NMLEN		32	/* Image Name Length		*/
+
+typedef struct image_header {
+	uint32_t	ih_magic;	/* Image Header Magic Number	*/
+	uint32_t	ih_hcrc;	/* Image Header CRC Checksum	*/
+	uint32_t	ih_time;	/* Image Creation Timestamp	*/
+	uint32_t	ih_size;	/* Image Data Size		*/
+	uint32_t	ih_load;	/* Data	 Load  Address		*/
+	uint32_t	ih_ep;		/* Entry Point Address		*/
+	uint32_t	ih_dcrc;	/* Image Data CRC Checksum	*/
+	uint8_t		ih_os;		/* Operating System		*/
+	uint8_t		ih_arch;	/* CPU architecture		*/
+	uint8_t		ih_type;	/* Image Type			*/
+	uint8_t		ih_comp;	/* Compression Type		*/
+	uint8_t		ih_name[IH_NMLEN];	/* Image Name		*/
+} image_header_t;
+
+/* beyond the image end, size not known in advance */
+extern unsigned char workspace[];
+extern void board_init(void);
+
+static CLzmaDecoderState lzma_state;
+static unsigned char *lzma_data;
+static unsigned long lzma_datasize;
+static unsigned long lzma_outsize;
+static unsigned long kernel_la;
+
+#ifdef CONFIG_KERNEL_CMDLINE
+#define kernel_argc	2
+static const char kernel_cmdline[] = CONFIG_KERNEL_CMDLINE;
+static const char *kernel_argv[] = {
+	NULL,
+	kernel_cmdline,
+	NULL,
+};
+#endif /* CONFIG_KERNEL_CMDLINE */
+
+static void halt(void)
+{
+	printf("\nSystem halted!\n");
+	for(;;);
+}
+
+static __inline__ unsigned long get_be32(void *buf)
+{
+	unsigned char *p = buf;
+
+	return (((unsigned long) p[0] << 24) +
+	        ((unsigned long) p[1] << 16) +
+	        ((unsigned long) p[2] << 8) +
+	        (unsigned long) p[3]);
+}
+
+static __inline__ unsigned char lzma_get_byte(void)
+{
+	unsigned char c;
+
+	lzma_datasize--;
+	c = *lzma_data++;
+
+	return c;
+}
+
+static int lzma_init_props(void)
+{
+	unsigned char props[LZMA_PROPERTIES_SIZE];
+	int res;
+	int i;
+
+	/* read lzma properties */
+	for (i = 0; i < LZMA_PROPERTIES_SIZE; i++)
+		props[i] = lzma_get_byte();
+
+	/* read the lower half of uncompressed size in the header */
+	lzma_outsize = ((SizeT) lzma_get_byte()) +
+		       ((SizeT) lzma_get_byte() << 8) +
+		       ((SizeT) lzma_get_byte() << 16) +
+		       ((SizeT) lzma_get_byte() << 24);
+
+	/* skip rest of the header (upper half of uncompressed size) */
+	for (i = 0; i < 4; i++)
+		lzma_get_byte();
+
+	res = LzmaDecodeProperties(&lzma_state.Properties, props,
+					LZMA_PROPERTIES_SIZE);
+	return res;
+}
+
+static int lzma_decompress(unsigned char *outStream)
+{
+	SizeT ip, op;
+	int ret;
+
+	lzma_state.Probs = (CProb *) workspace;
+
+	ret = LzmaDecode(&lzma_state, lzma_data, lzma_datasize, &ip, outStream,
+			 lzma_outsize, &op);
+
+	if (ret != LZMA_RESULT_OK) {
+		int i;
+
+		DBG("LzmaDecode error %d at %08x, osize:%d ip:%d op:%d\n",
+		    ret, lzma_data + ip, lzma_outsize, ip, op);
+
+		for (i = 0; i < 16; i++)
+			DBG("%02x ", lzma_data[ip + i]);
+
+		DBG("\n");
+	}
+
+	return ret;
+}
+
+#if (LZMA_WRAPPER)
+static void lzma_init_data(void)
+{
+	extern unsigned char _lzma_data_start[];
+	extern unsigned char _lzma_data_end[];
+
+	kernel_la = LOADADDR;
+	lzma_data = _lzma_data_start;
+	lzma_datasize = _lzma_data_end - _lzma_data_start;
+}
+#else
+static void lzma_init_data(void)
+{
+	struct image_header *hdr = NULL;
+	unsigned char *flash_base;
+	unsigned long flash_ofs;
+	unsigned long kernel_ofs;
+	unsigned long kernel_size;
+
+	flash_base = (unsigned char *) KSEG1ADDR(CONFIG_FLASH_START);
+
+	printf("Looking for OpenWrt image... ");
+
+	for (flash_ofs = CONFIG_FLASH_OFFS;
+	     flash_ofs <= (CONFIG_FLASH_OFFS + CONFIG_FLASH_MAX);
+	     flash_ofs += CONFIG_FLASH_STEP) {
+		unsigned long magic;
+		unsigned char *p;
+
+		p = flash_base + flash_ofs;
+		magic = get_be32(p);
+		if (magic == IH_MAGIC_OKLI) {
+			hdr = (struct image_header *) p;
+			break;
+		}
+	}
+
+	if (hdr == NULL) {
+		printf("not found!\n");
+		halt();
+	}
+
+	printf("found at 0x%08x\n", flash_base + flash_ofs);
+
+	kernel_ofs = sizeof(struct image_header);
+	kernel_size = get_be32(&hdr->ih_size);
+	kernel_la = get_be32(&hdr->ih_load);
+
+	lzma_data = flash_base + flash_ofs + kernel_ofs;
+	lzma_datasize = kernel_size;
+}
+#endif /* (LZMA_WRAPPER) */
+
+void loader_main(unsigned long reg_a0, unsigned long reg_a1,
+		 unsigned long reg_a2, unsigned long reg_a3)
+{
+	void (*kernel_entry) (unsigned long, unsigned long, unsigned long,
+			      unsigned long);
+	int res;
+
+	board_init();
+
+	printf("\n\nOpenWrt kernel loader for MIPS based SoC\n");
+	printf("Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>\n");
+
+	lzma_init_data();
+
+	res = lzma_init_props();
+	if (res != LZMA_RESULT_OK) {
+		printf("Incorrect LZMA stream properties!\n");
+		halt();
+	}
+
+	printf("Decompressing kernel... ");
+
+	res = lzma_decompress((unsigned char *) kernel_la);
+	if (res != LZMA_RESULT_OK) {
+		printf("failed, ");
+		switch (res) {
+		case LZMA_RESULT_DATA_ERROR:
+			printf("data error!\n");
+			break;
+		default:
+			printf("unknown error %d!\n", res);
+		}
+		halt();
+	} else {
+		printf("done!\n");
+	}
+
+	flush_cache(kernel_la, lzma_outsize);
+
+	printf("Starting kernel at %08x...\n\n", kernel_la);
+
+#ifdef CONFIG_KERNEL_CMDLINE
+	reg_a0 = kernel_argc;
+	reg_a1 = (unsigned long) kernel_argv;
+	reg_a2 = 0;
+	reg_a3 = 0;
+#endif
+
+	kernel_entry = (void *) kernel_la;
+	kernel_entry(reg_a0, reg_a1, reg_a2, reg_a3);
+}

target/linux/ramips/image/lzma-loader/src/loader.lds

@@ -0,0 +1,35 @@
+OUTPUT_ARCH(mips)
+SECTIONS {
+	.text : {
+		_code_start = .;
+		*(.text)
+		*(.text.*)
+		*(.rodata)
+		*(.rodata.*)
+		*(.data.lzma)
+	}
+
+	. = ALIGN(32);
+	.data : {
+		*(.data)
+		*(.data.*)
+		. = . + 524288;		/* workaround for buggy bootloaders */
+	}
+
+	. = ALIGN(32);
+	_code_end = .;
+
+	_bss_start = .;
+	.bss : {
+		*(.bss)
+		*(.bss.*)
+	}
+
+	. = ALIGN(32);
+	_bss_end = .;
+
+	. = . + 8192;
+	_stack = .;
+
+	workspace = .;
+}

target/linux/ramips/image/lzma-loader/src/loader2.lds

@@ -0,0 +1,10 @@
+OUTPUT_ARCH(mips)
+SECTIONS {
+	.text : {
+		startup = .;
+		*(.text)
+		*(.text.*)
+		*(.data)
+		*(.data.*)
+	}
+}

target/linux/ramips/image/lzma-loader/src/lzma-data.lds

@@ -0,0 +1,8 @@
+OUTPUT_ARCH(mips)
+SECTIONS {
+	.data.lzma : {
+		_lzma_data_start = .;
+		*(.data)
+		_lzma_data_end = .;
+	}
+}

target/linux/ramips/image/lzma-loader/src/printf.c

@@ -0,0 +1,350 @@
+/*
+ * Copyright (C) 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include	"printf.h"
+
+extern void board_putc(int ch);
+
+/* this is the maximum width for a variable */
+#define		LP_MAX_BUF	256
+
+/* macros */
+#define		IsDigit(x)	( ((x) >= '0') && ((x) <= '9') )
+#define		Ctod(x)		( (x) - '0')
+
+/* forward declaration */
+static int PrintChar(char *, char, int, int);
+static int PrintString(char *, char *, int, int);
+static int PrintNum(char *, unsigned long, int, int, int, int, char, int);
+
+/* private variable */
+static const char theFatalMsg[] = "fatal error in lp_Print!";
+
+/* -*-
+ * A low level printf() function.
+ */
+static void
+lp_Print(void (*output)(void *, char *, int),
+	 void * arg,
+	 char *fmt,
+	 va_list ap)
+{
+
+#define 	OUTPUT(arg, s, l)  \
+  { if (((l) < 0) || ((l) > LP_MAX_BUF)) { \
+       (*output)(arg, (char*)theFatalMsg, sizeof(theFatalMsg)-1); for(;;); \
+    } else { \
+      (*output)(arg, s, l); \
+    } \
+  }
+
+    char buf[LP_MAX_BUF];
+
+    char c;
+    char *s;
+    long int num;
+
+    int longFlag;
+    int negFlag;
+    int width;
+    int prec;
+    int ladjust;
+    char padc;
+
+    int length;
+
+    for(;;) {
+	{
+	    /* scan for the next '%' */
+	    char *fmtStart = fmt;
+	    while ( (*fmt != '\0') && (*fmt != '%')) {
+		fmt ++;
+	    }
+
+	    /* flush the string found so far */
+	    OUTPUT(arg, fmtStart, fmt-fmtStart);
+
+	    /* are we hitting the end? */
+	    if (*fmt == '\0') break;
+	}
+
+	/* we found a '%' */
+	fmt ++;
+
+	/* check for long */
+	if (*fmt == 'l') {
+	    longFlag = 1;
+	    fmt ++;
+	} else {
+	    longFlag = 0;
+	}
+
+	/* check for other prefixes */
+	width = 0;
+	prec = -1;
+	ladjust = 0;
+	padc = ' ';
+
+	if (*fmt == '-') {
+	    ladjust = 1;
+	    fmt ++;
+	}
+
+	if (*fmt == '0') {
+	    padc = '0';
+	    fmt++;
+	}
+
+	if (IsDigit(*fmt)) {
+	    while (IsDigit(*fmt)) {
+		width = 10 * width + Ctod(*fmt++);
+	    }
+	}
+
+	if (*fmt == '.') {
+	    fmt ++;
+	    if (IsDigit(*fmt)) {
+		prec = 0;
+		while (IsDigit(*fmt)) {
+		    prec = prec*10 + Ctod(*fmt++);
+		}
+	    }
+	}
+
+
+	/* check format flag */
+	negFlag = 0;
+	switch (*fmt) {
+	 case 'b':
+	    if (longFlag) {
+		num = va_arg(ap, long int);
+	    } else {
+		num = va_arg(ap, int);
+	    }
+	    length = PrintNum(buf, num, 2, 0, width, ladjust, padc, 0);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 'd':
+	 case 'D':
+	    if (longFlag) {
+		num = va_arg(ap, long int);
+	    } else {
+		num = va_arg(ap, int);
+	    }
+	    if (num < 0) {
+		num = - num;
+		negFlag = 1;
+	    }
+	    length = PrintNum(buf, num, 10, negFlag, width, ladjust, padc, 0);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 'o':
+	 case 'O':
+	    if (longFlag) {
+		num = va_arg(ap, long int);
+	    } else {
+		num = va_arg(ap, int);
+	    }
+	    length = PrintNum(buf, num, 8, 0, width, ladjust, padc, 0);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 'u':
+	 case 'U':
+	    if (longFlag) {
+		num = va_arg(ap, long int);
+	    } else {
+		num = va_arg(ap, int);
+	    }
+	    length = PrintNum(buf, num, 10, 0, width, ladjust, padc, 0);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 'x':
+	    if (longFlag) {
+		num = va_arg(ap, long int);
+	    } else {
+		num = va_arg(ap, int);
+	    }
+	    length = PrintNum(buf, num, 16, 0, width, ladjust, padc, 0);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 'X':
+	    if (longFlag) {
+		num = va_arg(ap, long int);
+	    } else {
+		num = va_arg(ap, int);
+	    }
+	    length = PrintNum(buf, num, 16, 0, width, ladjust, padc, 1);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 'c':
+	    c = (char)va_arg(ap, int);
+	    length = PrintChar(buf, c, width, ladjust);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case 's':
+	    s = (char*)va_arg(ap, char *);
+	    length = PrintString(buf, s, width, ladjust);
+	    OUTPUT(arg, buf, length);
+	    break;
+
+	 case '\0':
+	    fmt --;
+	    break;
+
+	 default:
+	    /* output this char as it is */
+	    OUTPUT(arg, fmt, 1);
+	}	/* switch (*fmt) */
+
+	fmt ++;
+    }		/* for(;;) */
+
+    /* special termination call */
+    OUTPUT(arg, "\0", 1);
+}
+
+
+/* --------------- local help functions --------------------- */
+static int
+PrintChar(char * buf, char c, int length, int ladjust)
+{
+    int i;
+
+    if (length < 1) length = 1;
+    if (ladjust) {
+	*buf = c;
+	for (i=1; i< length; i++) buf[i] = ' ';
+    } else {
+	for (i=0; i< length-1; i++) buf[i] = ' ';
+	buf[length - 1] = c;
+    }
+    return length;
+}
+
+static int
+PrintString(char * buf, char* s, int length, int ladjust)
+{
+    int i;
+    int len=0;
+    char* s1 = s;
+    while (*s1++) len++;
+    if (length < len) length = len;
+
+    if (ladjust) {
+	for (i=0; i< len; i++) buf[i] = s[i];
+	for (i=len; i< length; i++) buf[i] = ' ';
+    } else {
+	for (i=0; i< length-len; i++) buf[i] = ' ';
+	for (i=length-len; i < length; i++) buf[i] = s[i-length+len];
+    }
+    return length;
+}
+
+static int
+PrintNum(char * buf, unsigned long u, int base, int negFlag,
+	 int length, int ladjust, char padc, int upcase)
+{
+    /* algorithm :
+     *  1. prints the number from left to right in reverse form.
+     *  2. fill the remaining spaces with padc if length is longer than
+     *     the actual length
+     *     TRICKY : if left adjusted, no "0" padding.
+     *		    if negtive, insert  "0" padding between "0" and number.
+     *  3. if (!ladjust) we reverse the whole string including paddings
+     *  4. otherwise we only reverse the actual string representing the num.
+     */
+
+    int actualLength =0;
+    char *p = buf;
+    int i;
+
+    do {
+	int tmp = u %base;
+	if (tmp <= 9) {
+	    *p++ = '0' + tmp;
+	} else if (upcase) {
+	    *p++ = 'A' + tmp - 10;
+	} else {
+	    *p++ = 'a' + tmp - 10;
+	}
+	u /= base;
+    } while (u != 0);
+
+    if (negFlag) {
+	*p++ = '-';
+    }
+
+    /* figure out actual length and adjust the maximum length */
+    actualLength = p - buf;
+    if (length < actualLength) length = actualLength;
+
+    /* add padding */
+    if (ladjust) {
+	padc = ' ';
+    }
+    if (negFlag && !ladjust && (padc == '0')) {
+	for (i = actualLength-1; i< length-1; i++) buf[i] = padc;
+	buf[length -1] = '-';
+    } else {
+	for (i = actualLength; i< length; i++) buf[i] = padc;
+    }
+
+
+    /* prepare to reverse the string */
+    {
+	int begin = 0;
+	int end;
+	if (ladjust) {
+	    end = actualLength - 1;
+	} else {
+	    end = length -1;
+	}
+
+	while (end > begin) {
+	    char tmp = buf[begin];
+	    buf[begin] = buf[end];
+	    buf[end] = tmp;
+	    begin ++;
+	    end --;
+	}
+    }
+
+    /* adjust the string pointer */
+    return length;
+}
+
+static void printf_output(void *arg, char *s, int l)
+{
+    int i;
+
+    // special termination call
+    if ((l==1) && (s[0] == '\0')) return;
+
+    for (i=0; i< l; i++) {
+	board_putc(s[i]);
+	if (s[i] == '\n') board_putc('\r');
+    }
+}
+
+void printf(char *fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    lp_Print(printf_output, 0, fmt, ap);
+    va_end(ap);
+}

target/linux/ramips/image/lzma-loader/src/printf.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef _printf_h_
+#define _printf_h_
+
+#include <stdarg.h>
+void printf(char *fmt, ...);
+
+#endif /* _printf_h_ */

target/linux/ramips/image/rt288x.mk

@@ -0,0 +1,103 @@
+#
+# RT288X Profiles
+#
+
+DEFAULT_SOC := rt2880
+
+define Build/gemtek-header
+	if [ -f $@ ]; then \
+		mkheader_gemtek $@ $@.new $(1) && \
+		mv $@.new $@; \
+	fi
+endef
+
+define Device/airlink101_ar670w
+  DEVICE_VENDOR := Airlink
+  DEVICE_MODEL := AR670W
+  IMAGE_SIZE := 3840k
+  KERNEL := $(KERNEL_DTB) | pad-to $$(BLOCKSIZE)
+  IMAGES += factory.bin
+  IMAGE/factory.bin := $$(sysupgrade_bin) | check-size | \
+	wrg-header wrgn16a_airlink_ar670w
+  SUPPORTED_DEVICES += ar670w
+  DEFAULT := n
+endef
+TARGET_DEVICES += airlink101_ar670w
+
+define Device/airlink101_ar725w
+  IMAGE_SIZE := 3776k
+  DEVICE_VENDOR := Airlink
+  DEVICE_MODEL := AR725W
+  IMAGES += factory.bin
+  IMAGE/factory.bin := $$(sysupgrade_bin) | check-size 3328k | \
+	gemtek-header ar725w
+  SUPPORTED_DEVICES += ar725w
+  DEFAULT := n
+endef
+TARGET_DEVICES += airlink101_ar725w
+
+define Device/asus_rt-n15
+  IMAGE_SIZE := 3776k
+  DEVICE_VENDOR := ASUS
+  DEVICE_MODEL := RT-N15
+  DEVICE_PACKAGES := kmod-switch-rtl8366s
+  SUPPORTED_DEVICES += rt-n15
+  DEFAULT := n
+endef
+TARGET_DEVICES += asus_rt-n15
+
+define Device/belkin_f5d8235-v1
+  IMAGE_SIZE := 7872k
+  DEVICE_VENDOR := Belkin
+  DEVICE_MODEL := F5D8235
+  DEVICE_VARIANT := V1
+  DEVICE_PACKAGES := kmod-switch-rtl8366s kmod-usb-ohci kmod-usb-ohci-pci \
+	kmod-usb2 kmod-usb2-pci kmod-usb-ledtrig-usbport
+  SUPPORTED_DEVICES += f5d8235-v1
+  DEFAULT := n
+endef
+TARGET_DEVICES += belkin_f5d8235-v1
+
+define Device/buffalo_wli-tx4-ag300n
+  IMAGE_SIZE := 3776k
+  DEVICE_VENDOR := Buffalo
+  DEVICE_MODEL := WLI-TX4-AG300N
+  DEVICE_PACKAGES := kmod-switch-ip17xx
+  SUPPORTED_DEVICES += wli-tx4-ag300n
+  DEFAULT := n
+endef
+TARGET_DEVICES += buffalo_wli-tx4-ag300n
+
+define Device/buffalo_wzr-agl300nh
+  IMAGE_SIZE := 3776k
+  DEVICE_VENDOR := Buffalo
+  DEVICE_MODEL := WZR-AGL300NH
+  DEVICE_PACKAGES := kmod-switch-rtl8366s
+  SUPPORTED_DEVICES += wzr-agl300nh
+  DEFAULT := n
+endef
+TARGET_DEVICES += buffalo_wzr-agl300nh
+
+define Device/dlink_dap-1522-a1
+  IMAGE_SIZE := 3712k
+  DEVICE_VENDOR := D-Link
+  DEVICE_MODEL := DAP-1522
+  DEVICE_VARIANT := A1
+  DEVICE_PACKAGES := kmod-switch-rtl8366s
+  KERNEL := $(KERNEL_DTB)
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-kernel | pad-offset $$$$(BLOCKSIZE) 96 | \
+	append-rootfs | pad-rootfs -x 96 | wrg-header wapnd01_dlink_dap1522 | \
+	check-size
+  DEFAULT := n
+endef
+TARGET_DEVICES += dlink_dap-1522-a1
+
+define Device/ralink_v11st-fe
+  IMAGE_SIZE := 3776k
+  DEVICE_VENDOR := Ralink
+  DEVICE_MODEL := V11ST-FE
+  SUPPORTED_DEVICES += v11st-fe
+  DEFAULT := n
+endef
+TARGET_DEVICES += ralink_v11st-fe

target/linux/ramips/image/rt3883.mk

@@ -0,0 +1,137 @@
+#
+# RT3662/RT3883 Profiles
+#
+define Build/mkrtn56uimg
+	$(STAGING_DIR_HOST)/bin/mkrtn56uimg $(1) $@
+endef
+
+define Device/asus_rt-n56u
+  SOC := rt3662
+  IMAGE_SIZE := 7872k
+  IMAGE/sysupgrade.bin := $$(sysupgrade_bin) | check-size | \
+	mkrtn56uimg -s | append-metadata
+  DEVICE_VENDOR := ASUS
+  DEVICE_MODEL := RT-N56U
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2
+  SUPPORTED_DEVICES += rt-n56u
+endef
+TARGET_DEVICES += asus_rt-n56u
+
+define Device/belkin_f9k1109v1
+  $(Device/uimage-lzma-loader)
+  SOC := rt3883
+  DEVICE_VENDOR := Belkin
+  DEVICE_MODEL := F9K1109
+  DEVICE_VARIANT := Version 1.0
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2 kmod-usb-ledtrig-usbport
+  IMAGE_SIZE := 7808k
+  # Stock firmware checks for this uImage image name during upload.
+  UIMAGE_NAME := N750F9K1103VB
+endef
+TARGET_DEVICES += belkin_f9k1109v1
+
+define Device/dlink_dir-645
+  $(Device/seama-lzma-loader)
+  SOC := rt3662
+  IMAGE_SIZE := 7872k
+  SEAMA_SIGNATURE := wrgn39_dlob.hans_dir645
+  DEVICE_VENDOR := D-Link
+  DEVICE_MODEL := DIR-645
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2
+  SUPPORTED_DEVICES += dir-645
+endef
+TARGET_DEVICES += dlink_dir-645
+
+define Device/edimax_br-6475nd
+  SOC := rt3662
+  IMAGE_SIZE := 7744k
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | \
+	edimax-header -s CSYS -m RN54 -f 0x70000 -S 0x01100000 | pad-rootfs | \
+	check-size | append-metadata
+  DEVICE_VENDOR := Edimax
+  DEVICE_MODEL := BR-6475nD
+  SUPPORTED_DEVICES += br-6475nd
+endef
+TARGET_DEVICES += edimax_br-6475nd
+
+define Device/engenius_esr600h
+  $(Device/uimage-lzma-loader)
+  SOC := rt3662
+  IMAGE_SIZE := 7872k
+  IMAGES += factory.dlf
+  IMAGE/factory.dlf := $$(sysupgrade_bin) | check-size | \
+	senao-header -r 0x101 -p 0x44 -t 2
+  DEVICE_VENDOR := EnGenius
+  DEVICE_MODEL := ESR600H
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2 uboot-envtools
+endef
+TARGET_DEVICES += engenius_esr600h
+
+define Device/loewe_wmdr-143n
+  SOC := rt3662
+  IMAGE_SIZE := 7872k
+  DEVICE_VENDOR := Loewe
+  DEVICE_MODEL := WMDR-143N
+  SUPPORTED_DEVICES += wmdr-143n
+  DEFAULT := n
+endef
+TARGET_DEVICES += loewe_wmdr-143n
+
+define Device/omnima_hpm
+  SOC := rt3662
+  IMAGE_SIZE := 16064k
+  DEVICE_VENDOR := Omnima
+  DEVICE_MODEL := HPM
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2
+  SUPPORTED_DEVICES += hpm
+endef
+TARGET_DEVICES += omnima_hpm
+
+define Device/samsung_cy-swr1100
+  $(Device/seama)
+  SOC := rt3662
+  IMAGE_SIZE := 7872k
+  KERNEL := $(KERNEL_DTB)
+  SEAMA_SIGNATURE := wrgnd10_samsung_ss815
+  DEVICE_VENDOR := Samsung
+  DEVICE_MODEL := CY-SWR1100
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2 kmod-usb-ledtrig-usbport
+  SUPPORTED_DEVICES += cy-swr1100
+endef
+TARGET_DEVICES += samsung_cy-swr1100
+
+define Device/sitecom_wlr-6000
+  $(Device/uimage-lzma-loader)
+  SOC := rt3883
+  IMAGE_SIZE := 7244k
+  IMAGES += factory.dlf
+  IMAGE/factory.dlf := $$(sysupgrade_bin) | check-size | \
+	senao-header -r 0x0202 -p 0x41 -t 2
+  DEVICE_VENDOR := Sitecom
+  DEVICE_MODEL := WLR-6000
+  DEVICE_PACKAGES := kmod-usb-ohci kmod-usb2
+  SUPPORTED_DEVICES += wlr-6000
+endef
+TARGET_DEVICES += sitecom_wlr-6000
+
+define Device/trendnet_tew-691gr
+  SOC := rt3883
+  IMAGE_SIZE := 7872k
+  IMAGES += factory.bin
+  IMAGE/factory.bin := $$(sysupgrade_bin) | check-size | umedia-header 0x026910
+  DEVICE_VENDOR := TRENDnet
+  DEVICE_MODEL := TEW-691GR
+  SUPPORTED_DEVICES += tew-691gr
+endef
+TARGET_DEVICES += trendnet_tew-691gr
+
+define Device/trendnet_tew-692gr
+  SOC := rt3883
+  IMAGE_SIZE := 7872k
+  IMAGES += factory.bin
+  IMAGE/factory.bin := $$(sysupgrade_bin) | check-size | umedia-header 0x026920
+  DEVICE_VENDOR := TRENDnet
+  DEVICE_MODEL := TEW-692GR
+  SUPPORTED_DEVICES += tew-692gr
+endef
+TARGET_DEVICES += trendnet_tew-692gr