target/arm: Implement SVE2 crypto constructive binary operations

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-71-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index e808e6ba408dcd8f86bbae823a5723cc8a02519f..55383cb0661f7895edd42e42a0a79eeaebef47c0 100644 (file)
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -4256,6 +4256,11 @@ static inline bool isar_feature_aa64_sve2_bitperm(const ARMISARegisters *id)
     return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, BITPERM) != 0;
 }
 
+static inline bool isar_feature_aa64_sve2_sha3(const ARMISARegisters *id)
+{
+    return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SHA3) != 0;
+}
+
 static inline bool isar_feature_aa64_sve2_sm4(const ARMISARegisters *id)
 {
     return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SM4) != 0;

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 46ebb5e2f8b1a250b45108ac88f1262e96f7ac90..051a6399ac0afc9d1f4340c45d9136cebc31bd4b 100644 (file)
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1571,3 +1571,7 @@ AESMC           01000101 00 10000011100 decrypt:1 00000 rd:5
 AESE            01000101 00 10001 0 11100 0 ..... .....  @rdn_rm_e0
 AESD            01000101 00 10001 0 11100 1 ..... .....  @rdn_rm_e0
 SM4E            01000101 00 10001 1 11100 0 ..... .....  @rdn_rm_e0
+
+# SVE2 crypto constructive binary operations
+SM4EKEY         01000101 00 1 ..... 11110 0 ..... .....  @rd_rn_rm_e0
+RAX1            01000101 00 1 ..... 11110 1 ..... .....  @rd_rn_rm_e0

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 3b977b246251f6fe77c296d54d737f1fd7e99ce3..2136a41094533007c0de00dc9b7864d861a8d993 100644 (file)
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -8197,3 +8197,19 @@ static bool trans_SM4E(DisasContext *s, arg_rrr_esz *a)
 {
     return do_sm4(s, a, gen_helper_crypto_sm4e);
 }
+
+static bool trans_SM4EKEY(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_sm4(s, a, gen_helper_crypto_sm4ekey);
+}
+
+static bool trans_RAX1(DisasContext *s, arg_rrr_esz *a)
+{
+    if (!dc_isar_feature(aa64_sve2_sha3, s)) {
+        return false;
+    }
+    if (sve_access_check(s)) {
+        gen_gvec_fn_zzz(s, gen_gvec_rax1, MO_64, a->rd, a->rn, a->rm);
+    }
+    return true;
+}