Re: git: 44f8e1e8530e - main - ossl: Add support for armv7

From: Jessica Clarke <jrtc27_at_freebsd.org>
Date: Thu, 30 Nov 2023 18:00:52 UTC
On 30 Nov 2023, at 17:51, Mark Johnston <markj@FreeBSD.org> wrote:
> 
> The branch main has been updated by markj:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=44f8e1e8530e1d2e95e84bbbe3d22ac9cb2557fe
> 
> commit 44f8e1e8530e1d2e95e84bbbe3d22ac9cb2557fe
> Author:     Mark Johnston <markj@FreeBSD.org>
> AuthorDate: 2023-11-30 17:46:08 +0000
> Commit:     Mark Johnston <markj@FreeBSD.org>
> CommitDate: 2023-11-30 17:49:47 +0000
> 
>    ossl: Add support for armv7
> 
>    OpenSSL provides implementations of several AES modes which use
>    bitslicing and can be accelerated on CPUs which support the NEON
>    extension.  This patch adds arm platform support to ossl(4) and provides
>    an AES-CBC implementation, though bsaes_cbc_encrypt() only implements
>    decryption.  The real goal is to provide an accelerated AES-GCM
>    implementation; this will be added in a subsequent patch.
> 
>    Initially derived from https://reviews.freebsd.org/D37420.
> 
>    Reviewed by:    jhb
>    Sponsored by:   Klara, Inc.
>    Sponsored by:   Stormshield
>    MFC after:      3 months
>    Differential Revision:  https://reviews.freebsd.org/D41304
> ---
> sys/conf/files.arm                | 10 +++++
> sys/crypto/openssl/arm/arm_arch.h | 84 ++++++++++++++++++++++++++++++++++

Upstream has just the one copy of this in an MI directory. Can we avoid
duplicating it in sys/crypto, whether by moving it into the MI
directory (since it has an MD name already so collisions aren’t an
issue) or having a shared MD directory between armv7 and aarch64?

Jess