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OpenWrt Source Repository
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Tad Davanzo 10415d5e70 mvebu: mamba resize kernel to 4MB 
mamba has a 3MB kernel partition as specified by the DTS.
3MB is not sufficient for building with many kernel modules or newer
kernel versions.

mamba uboot however as set from factory will load up to 4MB.
This can be observed by looking a uboot log:
	NAND read: device 0 offset 0xa00000, size 0x400000
	4194304 bytes read: OK
and from uboot environment variables:
	$ fw_printenv | grep "pri_kern_size";
	pri_kern_size=0x400000

Resize the root partitions from 37MB to 36MB to let kernel expand
into it another 1MB.
And set kernel target size to 4MB.

Lastly add a compatibility version message: kernel-size-migration.
And set it on mamba to prevent sysupgrading without first reinstalling from
a factory image.

Signed-off-by: Tad Davanzo <tad@spotco.us>
2021-03-19 15:30:01 +01:00
.github build: Update README & github help 2018-07-08 09:41:53 +01:00
config treewide: fix spelling 'seperate' -> 'separate' 2021-02-28 23:59:21 +00:00
include x86/64: Iptables seems to lack support for cgroup v2 2021-03-19 01:25:26 +01:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-02-14 19:21:38 +01:00
package iproute2: separate tc into tiny and full variants 2021-03-19 15:30:01 +01:00
scripts include/image*: add support for device-tree overlays 2021-03-17 17:45:34 +00:00
target mvebu: mamba resize kernel to 4MB 2021-03-19 15:30:01 +01:00
toolchain binutils: fix compilation with ccache 2021-03-19 01:25:26 +01:00
tools tools/sparse: update to version 0.6.3 2021-03-19 00:59:22 +01:00
.gitattributes
.gitignore gitignore: add .vscode for VS Code users 2021-03-08 10:46:06 +01:00
BSDmakefile build: use SPDX license tags 2021-02-05 14:54:47 +01:00
Config.in build: use SPDX license tags 2021-02-05 14:54:47 +01:00
COPYING COPYING: add COPYING file to specify project licenses 2021-02-14 19:21:38 +01:00
feeds.conf.default feeds.conf.default: remove freifunk feed 2021-03-03 22:56:15 +01:00
Makefile Revert "build: replace which with Bash command built-in" 2021-03-03 22:51:39 +01:00
README.md build: prereq: drop support for Python 3.5 2021-03-15 14:00:44 +01:00
rules.mk Mostly revert "build: add support for fixing up library soname" 2021-02-15 18:47:21 +01:00

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-6+ binutils bzip2 flex python3.6+ perl make4.1+ find grep diff unzip gawk getopt
subversion libz-dev libc-dev rsync which

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