Subject: Anyone implement Cortex A9 FIQ

From: [email-masked] (Jonathan Austin)
Date: Fri, 15 Mar 2013 10:46:13 +0000

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