l4linux GPU direct access

[Adam Lackorzynski]

Hi,

On Tue Jul 03, 2012 at 11:45:08 +0200, Abhishek Gupta wrote:
> I have checked the xserver code and found that the DEFAULT_INT10 was already
> set to x86emu and it was already using x86emu to execute the int10.
> 
> Also, there is one more mode vm86 in which int10 can be executed but it uses
> the vm86 system call which is not supported in l4linux.
> 
> Is there a way to add vm86 system call to the l4linux?

No way. Using x86emu is just the way to execute this code, and that a
vm86 mode exists on x86 is just luck (to put it this way).

> Also, I have tried with video drivers cirrus, qxl but none of them worked.
> I tried Ubuntu on vmware player and it uses vmware video driver to run
> xserver and does not uses int10.

I wonder why you can't let fbdrv init to VESA and still access the
graphics card for acceleration. Or do you absolutely need to do the
initialization yourself?



Adam
-- 
Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/