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Sven Eckelmann 3599ea5263 images: Fix sysupgrade.tar for devices with NOR flash 
The NOR flash rootfs images stored in a sysupgrade.tar must end with the
JFFS2 marker. Otherwise, devices like OpenMesh A42/A62 are not able to
calculate the md5sum of the fixed squashfs part and store it inside the
u-boot-env.

But the commit ee76bd11bb ("images: fix boot failures on NAND with small
sub pages") adds up to 1020 0x00 bytes after the 0xdead0de EOF marker. The
calculated md5sum will be wrong due do this change and u-boot will fail to
boot the newly flashed device with a message like:

  Validating MD5Sum of 'vmlinux'...
  Passed!
  Validating MD5Sum of 'rootfs'...
  Failed!
      583a1b7b54b8601efa64ade42742459b != 8850ee812dfd7638e94083329d5d2781

  Data validation failed!

and boot the old image again.

Since the original change should not change the behavior of NOR images,
just check for the deadc0de marker at the end of the squashfs-jffs2 image
do avoid the problematic behavior for these images.

Fixes: ee76bd11bb ("images: fix boot failures on NAND with small sub pages")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
 		2020-12-22 19:11:50 +01:00
.github
…
config build: Add IRQSOFF and PREEMPT TRACER kernel config option 2020-12-16 22:11:19 +01:00
include kernel: bump 5.4 to 5.4.85 2020-12-22 19:11:50 +01:00
package ath79: add support for Senao Engenius ECB350 v1 2020-12-22 19:11:50 +01:00
scripts images: Fix sysupgrade.tar for devices with NOR flash 2020-12-22 19:11:50 +01:00
target ipq806x: disable SPC of IPQ8064 on NEC WG2600HP to fix boot issue 2020-12-22 19:11:50 +01:00
toolchain toolchain: remove uClibc-ng 2020-12-22 19:11:50 +01:00
tools tools/pkgconf: update to 1.7.3 2020-12-22 18:59:10 +01:00
.gitattributes
…
.gitignore build: improve ccache support 2020-07-11 15:19:53 +02:00
BSDmakefile
…
Config.in
…
LICENSE LICENSE: use updated GNU copy 2020-08-02 15:54:43 +02:00
Makefile build: improve ccache support 2020-07-11 15:19:53 +02:00
README.md build: require rsync 2020-12-07 18:23:13 +02:00
feeds.conf.default
…
rules.mk rules.mk: use -fPIC instead of -fpic on arm64 2020-12-07 18:23:13 +02:00

README.md

OpenWrt logo

OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.

Sunshine!

Development

To build your own firmware you need a GNU/Linux, BSD or MacOSX system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system.

Requirements

You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.

gcc binutils bzip2 flex python3 perl make find grep diff unzip gawk getopt
subversion libz-dev libc-dev rsync

Quickstart

  1. Run ./scripts/feeds update -a to obtain all the latest package definitions defined in feeds.conf / feeds.conf.default

  2. Run ./scripts/feeds install -a to install symlinks for all obtained packages into package/feeds/

  3. Run make menuconfig to select your preferred configuration for the toolchain, target system & firmware packages.

  4. Run make to build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen applications for your target system.

Related Repositories

The main repository uses multiple sub-repositories to manage packages of different categories. All packages are installed via the OpenWrt package manager called opkg. If you're looking to develop the web interface or port packages to OpenWrt, please find the fitting repository below.

Support Information

For a list of supported devices see the OpenWrt Hardware Database

Documentation

Support Community

  • Forum: For usage, projects, discussions and hardware advise.
  • Support Chat: Channel #openwrt on freenode.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0