[SeaBIOS] [PATCH 00/11] Relocate init code to high memory

Gleb Natapov gleb at redhat.com
Tue Sep 21 08:29:20 CEST 2010

On Mon, Sep 20, 2010 at 08:44:46PM -0400, Kevin O'Connor wrote:
> On Mon, Sep 20, 2010 at 04:07:12PM +0200, Gleb Natapov wrote:
> > And check with patch below if reset works correctly without your hack of
> > copying bios from high mem (works only with qemu for now):
> How will this work on resume?  On a soft-reset intended for an
Did the patch work for you on reset? :)

> S3-resume or an old style 286 resume, the f-segment must not be
> cleared.
Are you sure real HW does not reset chipset's BIOS mapping on S3? S3
resume can configure pam0 to map memory again (without copying BIOS)
and it will see old memory content.

> Ideally, there would be two types of resets - a soft-reset (doesn't
> clear memory) and a hard-reset (does reset memory).
Clearing memory is not QEMU's busyness.


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