[OLPC-devel] Secure BIOS on the OLPC

[Richard Smith]

On 9/1/06, Mark J. Foster <mfoster at laptop.org> wrote:

> Richard Smith wrote:
> > I think what we really want here is not cold/warm reboots but rather
> > reset asserted vs non-reset asserted.
> Which reset are you referring to?  We've got about ten of them... :-)

"Big red switch" reset.  Is there a "power good" signal.  Don't have
the schematics handy.  Whatever makes the system stay in reset until
the power supplies come up and get stable.

> Well, the CPU reset vector is run fairly often, including, for instance,
> resume.  It's not a deterministic path.  In fact, we'll have to be

Ugh. That makes it a bit harder.

-- 
Richard A. Smith