From: jonathan.austin@arm.com (Jonathan Austin)
To: linux-arm-kernel@lists.infradead.org
Subject: Anyone implement Cortex A9 FIQ
Date: Fri, 15 Mar 2013 10:46:13 +0000 [thread overview]
Message-ID: <5142FBF5.3010307@arm.com> (raw)
In-Reply-To: <CAHrpEqSQ1n_WUfxoraKZFS2A8NjdP_MCcWmJdCjcon_QwgX4Hw@mail.gmail.com>
Hi Frank,
On 15/03/13 07:38, Frank Li wrote:
> All:
> Recently, we need real time work run in cortex A9.
> Did anyone use FIQ on Cortex A9?
>
What are you actually trying to do? There's quite a lot more complexity
to being able to do real-time work on an A-class processor than just
using FIQ, and much of that would be platform specific. For example on
ARMv7A, we generally can't assume that FIQ can be used by the non-secure
world...
Jonny
next prev parent reply other threads:[~2013-03-15 10:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-15 7:38 Anyone implement Cortex A9 FIQ Frank Li
2013-03-15 10:46 ` Jonathan Austin [this message]
2013-03-17 1:15 ` Frank Li
2013-03-18 19:02 ` Jonathan Austin
2013-03-19 7:49 ` Frank Li
2013-04-08 16:28 ` Dave Martin
[not found] ` <CAHrpEqR35v76qif0wP=1SNOThLvmzpmEHcbehSNoY7-CO0CRqQ@mail.gmail.com>
2013-04-10 11:10 ` Dave Martin
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