[bootwrapper PATCH v3 01/15] aarch64: correct ZCR_EL3.LEN initialization

[Mark Brown]

On Fri, Jan 28, 2022 at 10:03:57AM +0000, Mark Rutland wrote:
> On Thu, Jan 27, 2022 at 06:55:00PM +0000, Mark Brown wrote:

> > The ideal thing for the boot wrapper would be option (c) with either a
> > configuration option to set the maximum to something lower than all
> > bits, unless someone was unduly enthusiastic and wanted to have an all
> > CPUs enumeration algorithm, but both are probably more trouble than it's
> > worth.

> FWIW, if it's useful for testing to be able to configure the ZCR_EL3.LEN to
> some smaller value, I'd be happy to move to (c) and get that plumbed into the
> build system.

For Linux it'd mainly be useful in the case where the boot wrapper got
used on systems which have asymmetric maximum vector lengths.
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