[RFC] xserver: use LRMI for real-mode calls (v3)

[Tiago Vignatti]

Hi,

On Mon, Jan 11, 2010 at 05:29:51PM +0200, Tiago Vignatti wrote:
> Okay, now there's no mistery anymore: all int10 module went to libx86, which
> in turn is accessed by a shiny new lrmi. It became very easy to create real
> mode contexts now; for instance all X server code has ~60 lines only. And the
> cool thing is that the API for drivers keeps the same:
> 
>     git://people.freedesktop.org/~vignatti/xserver lrmi-for-children
>     git://people.freedesktop.org/~vignatti/libx86
> 
> 
> and posttool converted to such interface:
> 
>     git://people.freedesktop.org/~vignatti/posttool lrmi-for-children
> 
> In the library there's some code that I intentionally let away either because I
> don't have the hardware to test here or because I think it's not needed
> anymore (and because I'm lazy to add). We can eventually add though. They are:
> 
> - support generic memory functions: we might need this specialised functions
>   to handle access to different types of memory, but for now LRMI doesn't have
>   such interface and even doesn't implement a portable way for access "not
>   popular" memories.
> - non-PC initialization mode (which seems to be broken anyway) and int42
>   handling (used only for non PCs)
> - int1A handling
> - cpu regs emulation capability from x86emu
> - video memory mapping and bios reading functions are not portable (we
>   probably should move all implementation xf86MapVidMem and xf86ReadBIOS to
>   libpciaccess)
> 
> Also, stub functions should be implemented inside libx86 for BSD-like
> systems.
> 
> 
> Let's see if I'm able to warm more hearts than ajax's now :) So I appreciate
> all your review.
> 

Guys, I just rebased this work with current xserver master. Can people please
comment on, test, etc? 


Thanks,
                            Tiago