crypto: arm64/ghash - Move NEON GHASH assembly into its own file

Browse source

arch/arm64/crypto/ghash-ce-core.S implements pmull_ghash_update_p8(),
which is used only by a crypto_shash implementation of GHASH.  It also
implements other functions, including pmull_ghash_update_p64() and
others, which are used only by a crypto_aead implementation of AES-GCM.

While some code is shared between pmull_ghash_update_p8() and
pmull_ghash_update_p64(), it's not very much.  Since
pmull_ghash_update_p8() will also need to be migrated into lib/crypto/
to achieve parity in the standalone GHASH support, let's move it into a
separate file ghash-neon-core.S.

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20260319061723.1140720-9-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

...

This commit is contained in:

Eric Biggers 2026-03-18 23:17:09 -07:00

parent 71e59795c9

commit e3f473db02

3 changed files with 239 additions and 196 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/arm64/crypto/Makefile

View file

207

arch/arm64/crypto/ghash-ce-core.S

View file

226

arch/arm64/crypto/ghash-neon-core.S

View file