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02d6ac1060
So far, the compatibility mechanism only works if both device and image are already updated to the new routines. This patch extends the sysupgrade metadata and fwtool_check_image() to account for "older" images as well: The basic mechanism for older devices to check for image compatibility is the supported_devices entry. This can be exploited by putting a custom message into this variable of the metadata, so older FW will produce a mismatch and print the message as it thinks it's the list of supported devices. So, we have two cases: device 1.0, image 1.0: The metadata will just contain supported_devices as before. device 1.0, image 1.1: The metadata will contain: "new_supported_devices":["device_string1", "device_string2", ...], "supported_devices":["Image version 1.1 incompatible to device: ..."] If the device is "legacy", i.e. does not have the updated fwtool.sh, it will just fail with image check and print the content of supported_devices. If DEVICE_COMPAT_MESSAGE is set, this will be printed on old devices as well through the same mechanism. Otherwise a generic "Please check documentation ..." is appended. Upgrade can still be performed with -F like when SUPPORTED_DEVICES has been removed to prevent bricking. If the device has updated fwtool.sh (but is 1.0), it will just use the new_supported_devices instead, and work as intended (flashing with -n will work, flashing without will print the appropriate warning). This mechanism should provide a fair tradeoff between simplicity and functionality. Since we touched a lot of fields in metadata, this also bumps metadata_version to 1.1. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> |
4 years ago | |
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| .github | 6 years ago | |
| config | 4 years ago | |
| include | 4 years ago | |
| package | 4 years ago | |
| scripts | 4 years ago | |
| target | 4 years ago | |
| toolchain | 4 years ago | |
| tools | 4 years ago | |
| .gitattributes | 12 years ago | |
| .gitignore | 4 years ago | |
| BSDmakefile | ||
| Config.in | 7 years ago | |
| LICENSE | ||
| Makefile | 4 years ago | |
| README | 5 years ago | |
| feeds.conf.default | 4 years ago | |
| rules.mk | 4 years ago | |
README
_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
This is the buildsystem for the OpenWrt Linux distribution.
To build your own firmware you need a Linux, BSD or MacOSX system (case
sensitive filesystem required). Cygwin is unsupported because of the lack
of a case sensitive file system.
You need gcc, binutils, bzip2, flex, python3.5+, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.
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 Linux kernel & all
chosen applications for your target system.
Sunshine!
Your OpenWrt Community
http://www.openwrt.org