Subject: Re: VS3100: success with netbooting, limited SCSI success
To: None <>
From: maximum entropy <>
List: port-vax
Date: 08/15/1997 15:34:55
>From: Bertram Barth <>
>> It did stop to ask me for a root device, swap device etc. and initially
>> started single-user.  I know how to hardwire the root device in the
>> kernel there any way to fake things so that "book dka000"
>> will try to load from rom(0,0) instead of sd(0,0)?
>Yes, that's possible. I once started to play with that, but didn't
>have enough time/interest to finish...
> [...]
>All in all, once you found the right spots, it should be minor 

For now I simply cheated:

--- /sys/arch/vax/boot/boot.c.orig	Fri Aug 15 15:30:37 1997
+++ /sys/arch/vax/boot/boot.c	Fri Aug 15 13:59:09 1997
@@ -67,7 +67,7 @@
 	if ((howto & RB_ASKNAME) == 0) {
 		type = (devtype >> B_TYPESHIFT) & B_TYPEMASK;
 		if ((unsigned)type < ndevs && devsw[type].dv_name)
-			strcpy(line, "/netbsd");
+			strcpy(line, "rom(0,0)/netbsd");
 			howto |= RB_SINGLE|RB_ASKNAME;

It works like a charm.

Now to begin learning more than I ever wanted to know about DMA and
low-level device drivers, to see if I can get around the need for my
PIO kludge...

entropy -- it's not just a good idea, it's the second law.

This message may refer to a product containing software developed by
Christopher G. Demetriou for the NetBSD Project.