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target/arm: Implement SVE2 crypto constructive binary operations

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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>
This commit is contained in:
Richard Henderson 2021-05-24 18:03:36 -07:00 committed by Peter Maydell
parent 3cc7a88e0d
commit 3358eb3fb7
3 changed files with 25 additions and 0 deletions
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5
target/arm/cpu.h
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@ -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;

4
target/arm/sve.decode
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@ -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

16
target/arm/translate-sve.c
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@ -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;
}