[SeaBIOS] Running out of space in e/f-segments

[Gleb Natapov]

On Sun, Aug 22, 2010 at 01:25:10PM -0400, Kevin O'Connor wrote:
> On Sun, Aug 22, 2010 at 08:54:35AM +0200, Rudolf Marek wrote:
> > >>What about other CPUs?
> > >
> > >Not sure what you mean here.
> > 
> > It depends on reset types. Maybe halting other cpus would be good idea.
> 
> Oh - reset on SMP.  Good point.  We'd need to find a reset mechanism
> that worked even on SMP.
> 
> BTW, I tried the cf9, kbd controller, and triple fault reset on qemu.
> Unfortunately, cf9 doesn't do anything, and the other two only soft
> reset the cpu.  A soft reset just causes POST to get called again in
> an infinite loop.
> 
> Anyone know of a way to reliably hard reset qemu?
> 
kbd controller and triple fault should do hard reset on qemu. All devices
and cpu are reset. Why do you think you see soft reset?

> > Btw what about HMA? Maybe you can simply link the post code to HMA.
> > And win 64kb. Bonus is that it is reachable from real mode.
> 
> Boot loaders and OSes assume they can use the memory immiediately
> above 1Meg - the BIOS isn't allowed to reserve it.
> 
> -Kevin
> 
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--
			Gleb.