From: Charles Forsyth <forsyth@caldo.demon.co.uk>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Ultrasparc II
Date: Wed, 18 Sep 2002 20:10:19 +0100 [thread overview]
Message-ID: <d7c00eb39cfe82a5c31f5dca57fead62@caldo.demon.co.uk> (raw)
>>Otherwise the new instructions could be accessed by using WORD
>>macros in assembler, and not changing the ka and kl at all.
i often did that with the powerpc because the system interface
changed somewhat between devices and there were plenty of
instructions in q[acl] as it stood, thanks to the architecture.
since only a few files in the kernel (eg, l.s) needed to access
the system instructions and control registers directly it
was easier to define a few special things there.
next reply other threads:[~2002-09-18 19:10 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-18 19:10 Charles Forsyth [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-19 2:10 Geoff Collyer
2002-09-18 23:45 Geoff Collyer
2002-09-19 1:07 ` John Packer
2002-09-19 1:09 ` John Packer
2002-09-18 18:21 rob pike, esq.
2002-09-18 7:05 Charles Forsyth
2002-09-18 6:49 Geoff Collyer
2002-09-18 7:37 ` Peter Downs
2002-09-18 15:06 ` Jack Johnson
2002-09-18 15:50 ` John Packer
2002-09-18 4:59 Geoff Collyer
2002-09-18 6:40 ` Peter Downs
2002-09-18 16:48 ` rob pike, esq.
2002-09-18 2:56 [9fans] multiprocessor Andrew
2002-09-18 4:43 ` [9fans] Ultrasparc II Peter Downs
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