From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Matt Turner <mattst88@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: [PATCH] mips: set ST0_MX flag for MDMX
Date: Fri, 04 May 2012 15:16:54 +0400 [thread overview]
Message-ID: <4FA3BAA6.5060200@mvista.com> (raw)
In-Reply-To: <1336084845-28995-1-git-send-email-mattst88@gmail.com>
Hello.
On 04-05-2012 2:40, Matt Turner wrote:
> As the comment in commit 3301edcb
Please also specify that commit's summary in parens.
> says, DSP and MDMX share the same
> config flag bit.
> Without this set, MDMX instructions cause Illegal instruction errors.
> Signed-off-by: Matt Turner<mattst88@gmail.com>
> ---
> Is MDMX implemented by anything other than some Broadcom CPUs? Is it
> totally replaced by DSP?
> I had a terrible time finding any documentation on it (which is annoying
> because Volume IV-b covering MDMX is referenced by all the MIPS64 documents.)
> but finally found a copy here: www.enlight.ru/docs/cpu/risc/mips/MDMXspec.pdf
> If it's dead, it's too bad because it's a pretty cool ISA.
WBR, Sergei
next prev parent reply other threads:[~2012-05-04 11:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-03 22:40 [PATCH] mips: set ST0_MX flag for MDMX Matt Turner
2012-05-04 11:16 ` Sergei Shtylyov [this message]
2012-05-05 22:22 ` Matt Turner
2012-05-09 17:20 ` Maciej W. Rozycki
2012-05-09 19:21 ` Matt Turner
2012-05-19 17:59 ` Maciej W. Rozycki
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