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target/arm: implement SM4 instructions

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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: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20180207111729.15737-5-ard.biesheuvel@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Ard Biesheuvel 2018-02-09 10:40:28 +00:00 • committed by Peter Maydell
parent 80d6f4c6bb
commit b6577bcd25
4 changed files with 103 additions and 0 deletions
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8
target/arm/translate-a64.c
View file

@ -11632,6 +11632,10 @@ static void disas_crypto_three_reg_sha512(DisasContext *s, uint32_t insn)
feature = ARM_FEATURE_V8_SM3;
genfn = gen_helper_crypto_sm3partw2;
break;
case 2: /* SM4EKEY */
feature = ARM_FEATURE_V8_SM4;
genfn = gen_helper_crypto_sm4ekey;
break;
default:
unallocated_encoding(s);
return;
@ -11705,6 +11709,10 @@ static void disas_crypto_two_reg_sha512(DisasContext *s, uint32_t insn)
feature = ARM_FEATURE_V8_SHA512;
genfn = gen_helper_crypto_sha512su0;
break;
case 1: /* SM4E */
feature = ARM_FEATURE_V8_SM4;
genfn = gen_helper_crypto_sm4e;
break;
default:
unallocated_encoding(s);
return;