custmoization of bootlog screen.

[yash cp]

Thanks Ray.

I will take a look into this and come back.

Best Regards,
Yash


On Mon, Jul 7, 2014 at 8:11 PM, Ray Strode <halfline at gmail.com> wrote:

> Hey,
>
> sorry for the delay
>
> On Wed, Jul 2, 2014 at 4:43 PM, yash cp
> >> On pressing ESC button or after the system completely comes up, a
> terminal
> >> screen( with image and text parts) is to be shown.
> >>
> >> Additionally,
> >>
> >> 1. Terminal should exist till the system goes down.( ie  plymouth should
> >> continue to run till system reboots or halts)
> >> 2. Terminal should display boot logs and enables user to login.
> >> 3. User should be able  Enter and Execute commands
> >> 4. Terminal should display the command output.
>
> If you want a fully functional terminal, that's tricky.  the kernel's
> terminal (fbcon) doesn't draw to the same buffer as plymouth, so
> getting them both on the screen at once is not really easy.  One idea
> would be to use the fb renderer instead of the drm renderer.  It draws
> to /dev/fb0 which is the same place the kernel draws the console too.
> Then you'd have to prevent plymouth from putting the terminal into
> KD_GRAPHICS mode (since KD_GRAPHICS mode makes the kernel stop drawing
> the console), and finally use some terminal escape sequences to
> constrain where the kernel outputs text to make sure the terminal and
> plymouth don't stomp on each other on the screen.  The other option
> would be to use something like kmscon or systemd-consoled and then
> integrate them with plymouth in some way.  Regardless, it's a tall
> order and not really a use case plymouth was ever designed for!
>
> --Ray
>
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