[BULK] RFC: Generic shadow mechanism useable from a payload

[Richard Smith]

On Wed, 26 Jan 2005 13:12:27 -0600, Richard Smith <smithbone at gmail.com> wrote:
> > But I actually think that is overkill. v2 by default and design
> > enables all of the shadow ranges as memory.  So we just need to
> > use those ranges.  That should be much easier having to patch
> > ADLO each time.  It is fairly unlikely a writable ROM segment is
> 
> Ok.. Well when you put it that way yeah dosen't sound like its needed
> at all. It should probally just work.

Wait a minute.  I don't see how this will work.  To do the shadows you
need to read from the bios chip, yet write to the RAM.  Then re-enable
both read and writes to go to RAM.  This requires you to toggle some
bits in the norhtbridge.

-- 
Richard A. Smith