[OpenWrt-Devel] [PATCH] ramips: HooToo HT-TM02 factory image generation.

[Vittorio G (VittGam)]

Hi,

What is the reason has this been rejected? Do I need to change 
something?

Thanks,
Vittorio

Il 28.12.2014 13:34 Vittorio G (VittGam) ha scritto:
> The mkhootoofw.sh is a shell script, because official factory images
> are shell scripts by themselves, and it made more sense to me to just
> use a shell script on the build host to put the pieces for the 
> factory
> image file together, rather than reimplement the wheel in C.
>
> The hootoo_mtd_writer is a stripped-down and modified version of mtd
> that includes support for flashing at an offset in the MTD. This is
> needed for the HooToo, because the only usable partition for factory
> flashing is the one labeled "ALL", and we don't want to flash the
> u-boot, u-boot-env and factory partitions too...
>
> The hootoo_mtd_writer binary has been compiled using the toolchain
> contained in the GPL tarball provided by HooToo. (It seems to me from
> some tests that this is the only way to get executables running on 
> the
> stock kernel...)
>
> In order to update the firmware from the web interface you need to
> put a FAT-formatted pendrive in the router USB port, since the
> original firmware needs this as temporary storage, because the RAM is
> quite bloated. Then you upload the OpenWrt factory image generated by
> mkhootoofw.sh, and the script kills unneeded services and partitions
> to free up RAM, backs up the original firmware on the pendrive,
> extracts the hootoo_mtd_writer and the sysupgrade image, flashes the
> sysupgrade image and then reboots.
>
> I've tested the resulting image on the factory firmware, and it
> successfully installed OpenWrt on my HT-TM02.
>
> Signed-off-by: Vittorio Gambaletta <openwrt at vittgam.net>
>
> --- a/target/linux/ramips/image/Makefile
> +++ b/target/linux/ramips/image/Makefile
> @@ -317,6 +317,15 @@
>  	fi
>  endef
>
> +# Build HooToo factory images
> +define BuildFirmware/HooToo8M/squashfs
> +	$(call BuildFirmware/Default8M/$(1),$(1),$(2),$(3))
> +	[ -e "$(call sysupname,$(1),$(2))" ] && \
> +	$(SCRIPT_DIR)/download.pl "$(DL_DIR)" "hootoo_mtd_writer"
> "3d72349cbb1d8e96086a084a6940304d"
> "https://github.com/VittGam/hootoo_mtd_writer/releases/download/1.0/"
> && \
> +	mkhootoofw.sh "$(DL_DIR)/hootoo_mtd_writer" "$(call
> sysupname,$(1),$(2))" "$(call imgname,$(1),$(2))-factory.bin"
> +endef
> +BuildFirmware/HooToo8M/initramfs=$(call
> BuildFirmware/OF/initramfs,$(1),$(2),$(3))
> +
>  #
>  # RT288X Profiles
>  #
> @@ -480,7 +489,7 @@
>  endef
>  Image/Build/Profile/HLKRM04=$(call
> BuildFirmware/HLKRM04/$(1),$(1),hlk-rm04,HLKRM04,HLK-RM02)
>
> -Image/Build/Profile/HT-TM02=$(call
> BuildFirmware/Default8M/$(1),$(1),ht-tm02,HT-TM02)
> +Image/Build/Profile/HT-TM02=$(call
> BuildFirmware/HooToo8M/$(1),$(1),ht-tm02,HT-TM02)
>
>  Image/Build/Profile/M3=$(call BuildFirmware/Poray4M/$(1),$(1),m3,M3)
>
> --- a/tools/firmware-utils/Makefile
> +++ b/tools/firmware-utils/Makefile
> @@ -76,6 +76,7 @@
>
>  define Host/Install
>  	$(INSTALL_BIN) $(HOST_BUILD_DIR)/bin/* $(STAGING_DIR_HOST)/bin/
> +	$(INSTALL_BIN) src/mkhootoofw.sh $(STAGING_DIR_HOST)/bin/
>  endef
>
>  $(eval $(call HostBuild))
> --- /dev/null
> +++ b/tools/firmware-utils/src/mkhootoofw.sh
> @@ -0,0 +1,88 @@
> +#!/bin/sh
> +#
> +# HooToo Factory Firmware Generator for OpenWrt
> +# Copyright (C) 2014 Vittorio Gambaletta <openwrt at vittgam.net>
> +#
> +# This is free software, licensed under the GNU General Public 
> License v2.
> +# See /LICENSE for more information.
> +#
> +# Sources for the hootoo_mtd_writer utility, which must be compiled
> with the GPL
> +# toolchain provided by HooToo for it to work on the factory kernel, 
> can be
> +# found at: https://github.com/VittGam/hootoo_mtd_writer
> +#
> +# Usage: mkhootoofw.sh path-to-hootoo_mtd_writer
> path-to-openwrt-sysupgrade.bin path-to-openwrt-factory.bin
> +#
> +
> +# Write the shellscript stub
> +cat > "${3}.tmp" <<'EOF'
> +SKIP=57
> +
> +echo "Checking firmware checksum..."
> +[ "$CRCSUM" != "`sed '1,3d' "$0" | cksum | sed -e 's/ /Z/' -e 's/
> /Z/' | cut -dZ -f1`" ] && {
> +	echo "Firmware checksum error!"
> +	exit 1
> +}
> +echo "Firmware checksum OK"
> +
> +echo "Killing unneeded services..."
> +killall -9 fileserv ioos upnpd led_control owndns ownhttp vstddns
> udhcpc udhcpd udevd minidlna smbd nmbd
> +sleep 1
> +
> +echo "Unmounting unneeded mounts..."
> +umount /etc
> +umount /boot/tmp
> +umount /usr/local/samba/var
> +umount /opt
> +umount /var
> +
> +echo "Backing up original firmware..."
> +BKPDIRBASE="/data/UsbDisk1/Volume1/OpenWrt-HooToo-Backup-`sed
> 's/:/-/g' < /sys/class/net/ra0/address`-"
> +BKPDIRNUM=1
> +BKPDIR="${BKPDIRBASE}${BKPDIRNUM}"
> +while [ -e "$BKPDIR" ]; do
> +	BKPDIRNUM=$((${BKPDIRNUM}+1))
> +	BKPDIR="${BKPDIRBASE}${BKPDIRNUM}"
> +done
> +echo "Backup directory: ${BKPDIR}"
> +
> +mkdir "$BKPDIR"
> +cp /dev/mtdblock* "${BKPDIR}/" || {
> +	echo "Backup failed!"
> +	exit 1
> +}
> +sync && echo 3 > /proc/sys/vm/drop_caches
> +echo "Backup OK"
> +
> +echo "Extracting OpenWrt firmware..."
> +tail -n +$SKIP "$0" | tar xv -C /tmp/ || {
> +	echo "Extraction of firmware failed!"
> +	exit 1
> +}
> +chmod +x /tmp/hootoo_mtd_writer
> +sync && echo 3 > /proc/sys/vm/drop_caches
> +
> +echo "Writing OpenWrt firmware..."
> +cd /tmp/
> +/tmp/hootoo_mtd_writer /tmp/openwrt.bin ALL 327680 1
> +
> +echo "Upgrade not successful (reboot by hootoo_mtd_writer not 
> happened)..."
> +exit 1
> +END_OF_STUB
> +EOF
> +
> +# Create and append tar archive containing hootoo_mtd_writer and
> sysupgrade image to the factory image file
> +mkdir "${3}-tmpdir"
> +cp "$1" "${3}-tmpdir/hootoo_mtd_writer"
> +cp "$2" "${3}-tmpdir/openwrt.bin"
> +tar cv -C "${3}-tmpdir/" hootoo_mtd_writer openwrt.bin >> "${3}.tmp"
> +rm -rf "${3}-tmpdir"
> +
> +# Generate the final factory image file along with the checksum
> +echo '#!/bin/sh' > "$3"
> +echo '# OpenWrt factory installation for HooToo HT-TM02' >> "$3"
> +echo -n 'CRCSUM=' >> "$3"
> +cksum < "${3}.tmp" | sed -e 's/ /Z/' -e 's/   /Z/' | cut -dZ -f1 >> 
> "$3"
> +cat "${3}.tmp" >> "$3"
> +rm "${3}.tmp"
> +
> +exit 0
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