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[PATCH v3 8/9] target/arm: Implement SVE2 crypto destructive binary oper
From: |
Richard Henderson |
Subject: |
[PATCH v3 8/9] target/arm: Implement SVE2 crypto destructive binary operations |
Date: |
Wed, 29 Apr 2020 19:03:02 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/cpu.h | 5 +++++
target/arm/sve.decode | 7 ++++++
target/arm/translate-sve.c | 45 ++++++++++++++++++++++++++++++++++++++
3 files changed, 57 insertions(+)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 332c67bbb0..4f09dd42ba 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3870,6 +3870,11 @@ 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 04985d2bb8..149de7949b 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 44dd1fe2b0..91e71882d6 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -8188,3 +8188,48 @@ 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)) {
+ unsigned vsz = vec_full_reg_size(s);
+ tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm),
+ vsz, vsz, decrypt, gen_helper_crypto_aese);
+ }
+ 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)) {
+ unsigned vsz = vec_full_reg_size(s);
+ tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd),
+ vec_full_reg_offset(s, a->rn),
+ vec_full_reg_offset(s, a->rm),
+ vsz, vsz, 0, fn);
+ }
+ return true;
+}
+
+static bool trans_SM4E(DisasContext *s, arg_rrr_esz *a)
+{
+ return do_sm4(s, a, gen_helper_crypto_sm4e);
+}
--
2.20.1
- [PATCH v3 0/9] target/arm: Implement SVE2 Crypto Extensions, Richard Henderson, 2020/04/29
- [PATCH v3 1/9] target/arm: Convert aes and sm4 to gvec helpers, Richard Henderson, 2020/04/29
- [PATCH v3 2/9] target/arm: Convert rax1 to gvec helpers, Richard Henderson, 2020/04/29
- [PATCH v3 4/9] target/arm: Convert sha1 and sha256 to gvec helpers, Richard Henderson, 2020/04/29
- [PATCH v3 3/9] target/arm: Convert sha512 and sm3 to gvec helpers, Richard Henderson, 2020/04/29
- [PATCH v3 6/9] target/arm: Split helper_crypto_sm3tt, Richard Henderson, 2020/04/29
- [PATCH v3 8/9] target/arm: Implement SVE2 crypto destructive binary operations,
Richard Henderson <=
- [PATCH v3 5/9] target/arm: Split helper_crypto_sha1_3reg, Richard Henderson, 2020/04/29
- [PATCH v3 9/9] target/arm: Implement SVE2 crypto constructive binary operations, Richard Henderson, 2020/04/29
- [PATCH v3 7/9] target/arm: Implement SVE2 crypto unary operations, Richard Henderson, 2020/04/29