[v2,087/100] target/arm: Implement SVE2 crypto destructive binary operations

Message ID 20200618042644.1685561-88-richard.henderson@linaro.org
State New
Headers show
Series
  • target/arm: Implement SVE2
Related show

Commit Message

Richard Henderson June 18, 2020, 4:26 a.m.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/cpu.h           |  5 +++++
 target/arm/sve.decode      |  7 +++++++
 target/arm/translate-sve.c | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+)

-- 
2.25.1

Patch

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index df0a3e201b..37fc866cf8 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3877,6 +3877,11 @@  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_sm4(const ARMISARegisters *id)
+{
+    return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SM4) != 0;
+}
+
 static inline bool isar_feature_aa64_sve2_i8mm(const ARMISARegisters *id)
 {
     return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, I8MM) != 0;
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 9b0d0f3a5d..2ebf65f376 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -118,6 +118,8 @@ 
 @pd_pn_pm       ........ esz:2 .. rm:4 ....... rn:4 . rd:4      &rrr_esz
 @rdn_rm         ........ esz:2 ...... ...... rm:5 rd:5 \
                 &rrr_esz rn=%reg_movprfx
+@rdn_rm_e0      ........ .. ...... ...... rm:5 rd:5 \
+                &rrr_esz rn=%reg_movprfx esz=0
 @rdn_sh_i8u     ........ esz:2 ...... ...... ..... rd:5 \
                 &rri_esz rn=%reg_movprfx imm=%sh8_i8u
 @rdn_i8u        ........ esz:2 ...... ... imm:8 rd:5 \
@@ -1557,3 +1559,8 @@  STNT1_zprz      1110010 .. 10 ..... 001 ... ..... ..... \
 # SVE2 crypto unary operations
 # AESMC and AESIMC
 AESMC           01000101 00 10000011100 decrypt:1 00000 rd:5
+
+# SVE2 crypto destructive binary operations
+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
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index bc65b3e367..92140ed2fa 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -7693,3 +7693,41 @@  static bool trans_AESMC(DisasContext *s, arg_AESMC *a)
     }
     return true;
 }
+
+static bool do_aese(DisasContext *s, arg_rrr_esz *a, bool decrypt)
+{
+    if (!dc_isar_feature(aa64_sve2_aes, s)) {
+        return false;
+    }
+    if (sve_access_check(s)) {
+        gen_gvec_ool_zzz(s, gen_helper_crypto_aese,
+                         a->rd, a->rn, a->rm, decrypt);
+    }
+    return true;
+}
+
+static bool trans_AESE(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_aese(s, a, false);
+}
+
+static bool trans_AESD(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_aese(s, a, true);
+}
+
+static bool do_sm4(DisasContext *s, arg_rrr_esz *a, gen_helper_gvec_3 *fn)
+{
+    if (!dc_isar_feature(aa64_sve2_sm4, s)) {
+        return false;
+    }
+    if (sve_access_check(s)) {
+        gen_gvec_ool_zzz(s, fn, a->rd, a->rn, a->rm, 0);
+    }
+    return true;
+}
+
+static bool trans_SM4E(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_sm4(s, a, gen_helper_crypto_sm4e);
+}