Subject: Re: D390 (was: HP 9000 Model D330 working?)
To: None <email@example.com>
From: Jochen Kunz <firstname.lastname@example.org>
Date: 06/01/2005 21:06:52
On Wed, 1 Jun 2005 12:58:06 -0600
Reid Orsten <email@example.com> wrote:
> Is there any useful way to debug stuff this early without using a =20
> serial port? The platform dependant parts of uvm and pmap don't seem=20
> like they'd be _too_ terrible...
When the system is this early in startup it still uses the PROM console.
I.e. all console IO is done via firmware calls, no hardware is accessed
directly. Therefore it makes no difference what console device you are
actually using. The kernel can't / doesn't distinguish.