target/arm: Implement SVE2 crypto unary operations

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-69-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 9f037fe5a789946f1bcdeb1135977ab06c4bba44..a9cf3bea3e6afbce7413651505be85000aa036de 100644 (file)
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1558,3 +1558,9 @@ STNT1_zprz      1110010 .. 00 ..... 001 ... ..... ..... \
 # SVE2 32-bit scatter non-temporal store (vector plus scalar)
 STNT1_zprz      1110010 .. 10 ..... 001 ... ..... ..... \
                 @rprr_scatter_store xs=0 esz=2 scale=0
+
+### SVE2 Crypto Extensions
+
+# SVE2 crypto unary operations
+# AESMC and AESIMC
+AESMC           01000101 00 10000011100 decrypt:1 00000 rd:5

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index ae078b095aa4b6d5c2697014d26d20287dd3207a..79b49915492c15f9df0600e018991647fdd740f3 100644 (file)
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -8148,3 +8148,14 @@ static bool trans_USDOT_zzzz(DisasContext *s, arg_USDOT_zzzz *a)
     }
     return true;
 }
+
+static bool trans_AESMC(DisasContext *s, arg_AESMC *a)
+{
+    if (!dc_isar_feature(aa64_sve2_aes, s)) {
+        return false;
+    }
+    if (sve_access_check(s)) {
+        gen_gvec_ool_zz(s, gen_helper_crypto_aesmc, a->rd, a->rd, a->decrypt);
+    }
+    return true;
+}