ARM cp15 c1 control on the BBB at _start

Sebastian Huber sebastian.huber at
Tue Mar 6 07:40:11 UTC 2018

On 05/03/18 23:12, Chris Johns wrote:
> Note, the Zynq does not clear the A flag in it's specific MMU set up call so
> does it assume the boot loader will clear it?
> Why not clear the A flag and remove any restrictions and try and make the BSPs
> consistent?

A set SCTLR[A] bit after initialization (in thread/interrupt context) is 
a bug.

Sebastian Huber, embedded brains GmbH

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