How can I make a minimal os build in for PX30 board

时间的蝴蝶

Maybe you want to know about this.
https://wiki.t-firefly.com/en/Co ... ldroot_compile.html
https://wiki.t-firefly.com/en/Co ... ldroot_develop.html

时间的蝴蝶

tuhn1995 Posted at 5/6/2022 10:26
Thank you for your answer @时间的蝴蝶
Well I have read the manual very carefully  but there is a  ...

Yes, Buildroot just compiles rootfs.
Regarding reset, it boots from the recovery partition and then formats the userdata partition.
The build output of recovery is at `buildroot/output/rockchip_px30_recovery`, which conforms to the WIKI instructions at `https://wiki.t-firefly.com/en/Co ... root_develop.html`.

时间的蝴蝶

tuhn1995 Posted at 5/9/2022 10:58
Sorry I think I miss that part of the Wiki, thank you for pointing that out.

.

Yes, removing the recovery and misc partitions from the parameter file can achieve your desired effect.

We need to use the userdata partition, so formatting is necessary. When the system is running, the data will be saved to the userdata partition, which actually provides a function of clearing data to restore the default state of the system.

时间的蝴蝶

tuhn1995 Posted at 5/10/2022 17:35
So It means that removing the recover part, I will not use userdata partition anymore and all of t ...

In fact, it is difficult to describe in a few words. You can try it.

The build output of recovery is at `buildroot/output/rockchip_px30_recovery`, which conforms to the WIKI instructions at https://wiki.t-firefly.com/en/Co ... ldroot_develop.html .
recovery.img -> ../buildroot/output/rockchip_px30_recovery/images/recovery.img

For misc, misc.img -> ../device/rockchip/rockimg/wipe_all-misc.img
cat device/rockchip/rockimg/wipe_all-misc.img

时间的蝴蝶

tuhn1995 Posted at 5/12/2022 16:49
Thank you for your answer, I will try it .

But there is one more thing that I want to ask is th ...

$ cat buildroot/output/rockchip_px30_recovery/target/etc/init.d/S10udev
udevadm settle --timeout=30 || echo "udevadm settle failed"

Check which peripheral and udev rule caused the processing timeout.