epia m vga + memcpy update
rsmith at bitworks.com
Mon Sep 13 10:04:00 CEST 2004
Egbert Eich wrote:
> > But testbios dosen't work on an ASUS P2B booting LB or COTS and my
> > modified ATI vbios. Nor does LB+ADLO+BOCHS with the original M1 vbios.
> > X with InitPrimary works both under COTS and LB but that was using
> > using the orginal M1 bios not my "fixed" version.
> The X version has eveloved quite a lot and is a lot smarter now as the
> version of vbios that it originally forked off.
Where does the smartest version now live? X.org or whats in Xfree86 4.4?
> > IO range requested by the card and the Legacy VGA ranges. Currently
> > testbios lets the vbios access any port it wishes. The X emu must be
> > doing this or the ATI M1 bios would not work.
> Currently the emulator in X doesn't do this either.
> It intercepts certain port accesses like 0x43 and 0x5c and attempts to
> emulate the action behind it. Also it tries to intercept PCI accesses,
> however this is only true if they happen 32bit wise.
So it just handles the timer. Well it does it better than testbios.
Seems a sync would be a good thing. How hard is that currently? Do you
have to pull the entire xc tree down?
More information about the coreboot