This implements emulation of the new SM4 instructions that have
been added as an optional extension to the ARMv8 Crypto Extensions
in ARM v8.2.
Signed-off-by: NArd Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20180207111729.15737-5-ard.biesheuvel@linaro.org
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>