源码是从 https://gitee.com/de-eem/openwrt 搬过来的
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Michael Pratt d5035f0d26 ath79: add Senao 'failsafe' sysupgrade procedure
Use a similar upgrade method for sysupgrade.bin, like factory.bin,
for Senao boards with the tar.gz OEM upgrade platform,
and 'failsafe' image which is loaded on checksum failure.

This is inspired by the OEM upgrade script /etc/fwupgrade.sh
and the existing platforms for dual-boot Senao boards.

Previously, if the real kernel was damaged or missing
the only way to recover was with UART serial console,
because the OKLI lzma-loader is programmed to halt.

uboot did not detect cases where kernel or rootfs is damaged
and boots OKLI instead of the failsafe image,
because the checksums stored in uboot environment
did not include the real kernel and rootfs space.

Now, the stored checksums include the space for both
the lzma-loader, kernel, and rootfs.
Therefore, these boards are now practically unbrickable.

Also, the factory.bin and sysupgrade.bin are now the same,
except for image metadata.
This allows for flashing OEM image directly from openwrt
as well as flashing openwrt image directly from OEM.

Make 'loader' partition writable so that it can be updated
during a sysupgrade.

tested with
ENS202EXT v1
EAP1200H
EAP350 v1
EAP600
ECB350 v1
ECB600
ENH202 v1

Signed-off-by: Michael Pratt <mcpratt@pm.me>
2021-04-08 09:20:59 +02:00
.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 kernel: bump 5.10 to 5.10.27 2021-04-03 21:07:22 +01:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-02-14 19:21:38 +01:00
package uboot-envtools: add wrapper scripts for alternate config 2021-04-08 09:20:59 +02:00
scripts build,json: 3rd fixup of default_packages 2021-03-25 10:25:54 -10:00
target ath79: add Senao 'failsafe' sysupgrade procedure 2021-04-08 09:20:59 +02:00
toolchain glibc: update to latest git HEAD (BZ #27468, BZ #27511) 2021-04-05 20:25:42 +02:00
tools firmware-utils: bcm4908img: extract bootfs without padding 2021-04-07 08:02:41 +02:00
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 2012-05-08 13:30:49 +00:00
.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 README: add install command to build requirements 2021-03-26 19:57:20 +01:00
rules.mk build: make sure asm gets built with -DPIC 2021-03-24 23:47:34 +00:00

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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.

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binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
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  3. Run make menuconfig to select your preferred configuration for the toolchain, target system & firmware packages.

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