From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Grundler <grundler@parisc-linux.org>
Subject: [parisc-linux] ssm/rsm sequences
Date: Tue, 26 Apr 2005 23:20:55 -0600
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On Tue, Apr 26, 2005 at 08:29:25PM -0600, Grant Grundler wrote:
> The example code is just that, an example:
> 	SSM	0,gr0	; initial RSM, SSM, or MTSM
> ...
> 
> AFAICT, that sequence does nothing but burn some cycles.

*sigh*. The ssm 0,0/nop * 8/rsm sequence isn't so obvious.
Richard Hirst added this comment to entry.S in 2001:
        * The ssm is necessary due to a PCXT bug

http://lists.parisc-linux.org/hypermail/parisc-linux-cvs/3628.html

Richard, any clue what the bug is?
I don't have a PCX-T ERS or errata sheet to look this up.

thanks,
grant
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