Re: ucas for MIPS

To: port-mips%netbsd.org@localhost
Subject: Re: ucas for MIPS
From: David Holland <dholland-mips%netbsd.org@localhost>
Date: Sun, 19 Jul 2009 22:17:27 +0000

On Sun, Jul 12, 2009 at 12:02:17AM +0900, Masao Uebayashi wrote:
 > I guess not.  I have 0 knowledge / experience about mips1...

Basic approach would be to disable interrupts, then expand the
compare-and-swap using normal instructions. (Unless interrupts are
already supposed to be off when calling ucas?)

Do we currently do run-time patching of stuff like this based on the
processor type?

-- 
David A. Holland
dholland%netbsd.org@localhost

References:
- ucas for MIPS
  - From: Masao Uebayashi
- Re: ucas for MIPS
  - From: Izumi Tsutsui
- Re: ucas for MIPS
  - From: Masao Uebayashi

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