[okl4-developer] Starting with graphic output

[Remy Gottschalk]

Hi Geoffrey,

On Wed, 2008-05-07 at 02:01 +1000, Geoffrey Lee wrote:
> On Tue, May 06, 2008 at 12:10:50PM +0000, Remy Gottschalk wrote:
> 
> Hi Remy
> 
> What you have done seems to be correct.  The zero = False needs to be
> there.  What is built is called a "direct" memsection section, i.e.
> the virtual address has a one to one correspondence with the physical
> address.  When you zero it does it using the virtual address.  0xf0000000 
> not accessible because that is where the kernel is typically mapped.
> 
Thank you for those complementary information, it confirms what I
thought. 

> The only thing I see wrong is the memory is mapped as default memory.  
> You probably want uncached instead.  (note the vga mapping of default
> is probably wrong, I'll tag it in the bug database if necessary.) 
> 
It seemed strange to me but i leaved it to default since it was done
this way for the vga mapping. Even if it is pretty expected setting it
uncached doesn't seems to create any problem for both vga and fb
mapping.

Regards,


-- 
Remy Gottschalk - rgottschalk at linagora.com
Ingénieur informatique embarquée
Groupe LINAGORA - http://www.linagora.com
Tél.: +33(0)1 58 18 68 28 - Fax : +33(0)1 58 18 68 29