Subject: Re: Status of SCSI SYS_INST?
To: Michael Joosten <joost@c-lab.de>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-hp300
Date: 12/10/1996 19:21:51
On Wed, 11 Dec 1996 04:19:29 +0100 (MET)
Michael Joosten <joost@c-lab.de> wrote:
> Well, I'm not sure what DELAY(x) means, for the kernel this seems to be
> microseconds, but the standalone stuff is different. BTW again,
> #define DELAY(n) { register int N = cpuspeed * (n); while (--N > 0); }
>
> what happens if gcc gets this with optimizer on ???
In the kernel, DELAY() used to be implemented this way. Actually, it
would not be that hard to implement a Real delay() for the boot
program. It may not be a bad idea :-)
> Same for me... I'd guess DELAY(1000) means something like a few milliseconds
> after each complete SCSI command, so it's not that slower - the tiny NFS
> packets are the worst offender...
Most definitely :-)
> OK, it's not like a Sun where you can set your boot path in an NVRAM. BTW,
> anything herad about the Utility Chip 8-))) Not that I now have much (hah, if
> any) time for it now...
Heh... "Ah, the utility chip!" I do have some misc random info on
it buried in a mailbox somewhere... But, for time to look for it.
Jason R. Thorpe thorpej@nas.nasa.gov
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