Messages in this thread | | | Date | Thu, 29 Jul 2010 19:05:15 +0100 | From | Alan Cox <> | Subject | Re: Introducing the LCD-Linux project |
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> 3) Invert the VT layer. Currently the console/printk driver is on top of > the tty layer. It would be nice to be able to only use a very light > weight vt printk without the VT tty on top for embedded platforms.
No. printk hits console drivers why may or may not be frame buffer interfaces. Has done for a very long time. Keith Packard has also been doing stuff with crash time oops displays etc over an X display.
> 4) Seperate out the VT emulation layer. Related to 3.
Separate from what ?
> 5) Multiple independent VT support. Which brings up the question what > should the mapping of VCs to a VT look like.
I would suggest we borrow the X idea and each VC is
int display; /* Display it is on (for console flipping) */ struct something *vt; /* VT which it is displaying */ int x,y,w,h; /* Window onto vt */
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