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From: Artyom Tarasenko <atar4qemu@googlemail.com>
To: Robert Reif <reif@earthlink.net>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel <qemu-devel@nongnu.org>
Subject: [Qemu-devel] sparc32 SIMM size
Date: Sat, 22 Aug 2009 22:17:20 +0200	[thread overview]
Message-ID: <fb8d4f70908221317v3b3bb800s7e82595d3e6fe9ad@mail.gmail.com> (raw)

> You have to be careful when specifing a memory size on
> the ss10/20 because a SIMM slot uses 64M reguardless of
> the actual size of the SIMM.  A smaller size will be mirrored
> to fill the entire space and OBP checks for mirrioing to
> determine the actual size.  QEMU doesn't do any mirroring
> for small SIMMS which will confuse OBP.  I don't think
> that is the issue are seeing but just something to keep in mind.

It's not an issue for SS-10/20, but may be an issue for SS-5 and
below. SS-5 and earlier support maximal SIMM size of 32M. It doesn't
seem to be reflected in hw/sun4m.c .

             reply	other threads:[~2009-08-22 20:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-22 20:17 Artyom Tarasenko [this message]
2009-08-22 22:33 ` [Qemu-devel] Re: sparc32 SIMM size Robert Reif

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