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Sat, 21 Jun 2025 16:57:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 100/101] target/arm: Enable FEAT_SME2p1 on -cpu max Date: Sat, 21 Jun 2025 16:50:36 -0700 Message-ID: <20250621235037.74091-101-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250621235037.74091-1-richard.henderson@linaro.org> References: <20250621235037.74091-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750550545588116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/tcg/cpu64.c | 10 ++++++++-- docs/system/arm/emulation.rst | 6 ++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 5d8ed2794d..f73729926b 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1194,7 +1194,7 @@ void aarch64_max_tcg_initfn(Object *obj) */ t =3D FIELD_DP64(t, ID_AA64PFR1, MTE, 3); /* FEAT_MTE3 */ t =3D FIELD_DP64(t, ID_AA64PFR1, RAS_FRAC, 0); /* FEAT_RASv1p1 + FEAT= _DoubleFault */ - t =3D FIELD_DP64(t, ID_AA64PFR1, SME, 1); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64PFR1, SME, 2); /* FEAT_SME2 */ t =3D FIELD_DP64(t, ID_AA64PFR1, CSV2_FRAC, 0); /* FEAT_CSV2_3 */ t =3D FIELD_DP64(t, ID_AA64PFR1, NMI, 1); /* FEAT_NMI */ cpu->isar.id_aa64pfr1 =3D t; @@ -1245,10 +1245,11 @@ void aarch64_max_tcg_initfn(Object *obj) cpu->isar.id_aa64mmfr3 =3D t; =20 t =3D cpu->isar.id_aa64zfr0; - t =3D FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 1); + t =3D FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 2); /* FEAT_SVE2p1 */ t =3D FIELD_DP64(t, ID_AA64ZFR0, AES, 2); /* FEAT_SVE_PMULL128 */ t =3D FIELD_DP64(t, ID_AA64ZFR0, BITPERM, 1); /* FEAT_SVE_BitPerm */ t =3D FIELD_DP64(t, ID_AA64ZFR0, BFLOAT16, 2); /* FEAT_BF16, FEAT_EBF= 16 */ + t =3D FIELD_DP64(t, ID_AA64ZFR0, B16B16, 1); /* FEAT_SVE_B16B16 */ t =3D FIELD_DP64(t, ID_AA64ZFR0, SHA3, 1); /* FEAT_SVE_SHA3 */ t =3D FIELD_DP64(t, ID_AA64ZFR0, SM4, 1); /* FEAT_SVE_SM4 */ t =3D FIELD_DP64(t, ID_AA64ZFR0, I8MM, 1); /* FEAT_I8MM */ @@ -1264,11 +1265,16 @@ void aarch64_max_tcg_initfn(Object *obj) =20 t =3D cpu->isar.id_aa64smfr0; t =3D FIELD_DP64(t, ID_AA64SMFR0, F32F32, 1); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, BI32I32, 1); /* FEAT_SME2 */ t =3D FIELD_DP64(t, ID_AA64SMFR0, B16F32, 1); /* FEAT_SME */ t =3D FIELD_DP64(t, ID_AA64SMFR0, F16F32, 1); /* FEAT_SME */ t =3D FIELD_DP64(t, ID_AA64SMFR0, I8I32, 0xf); /* FEAT_SME */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, F16F16, 1); /* FEAT_SME_F16F16 */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, B16B16, 1); /* FEAT_SME_B16B16 */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, I16I32, 5); /* FEAT_SME2 */ t =3D FIELD_DP64(t, ID_AA64SMFR0, F64F64, 1); /* FEAT_SME_F64F64 */ t =3D FIELD_DP64(t, ID_AA64SMFR0, I16I64, 0xf); /* FEAT_SME_I16I64 */ + t =3D FIELD_DP64(t, ID_AA64SMFR0, SMEVER, 2); /* FEAT_SME2p1 */ t =3D FIELD_DP64(t, ID_AA64SMFR0, FA64, 1); /* FEAT_SME_FA64 */ cpu->isar.id_aa64smfr0 =3D t; =20 diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 78c2fd2113..890dc6fee2 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -129,16 +129,22 @@ the following architecture extensions: - FEAT_SM3 (Advanced SIMD SM3 instructions) - FEAT_SM4 (Advanced SIMD SM4 instructions) - FEAT_SME (Scalable Matrix Extension) +- FEAT_SME2 (Scalable Matrix Extension version 2) +- FEAT_SME2p1 (Scalable Matrix Extension version 2.1) +- FEAT_SME_B16B16 (Non-widening BFloat16 arithmetic for SME2) - FEAT_SME_FA64 (Full A64 instruction set in Streaming SVE mode) +- FEAT_SME_F16F16 (Non-widening half-precision FP16 arithmetic for SME2) - FEAT_SME_F64F64 (Double-precision floating-point outer product instructi= ons) - FEAT_SME_I16I64 (16-bit to 64-bit integer widening outer product instruc= tions) - FEAT_SVE (Scalable Vector Extension) - FEAT_SVE_AES (Scalable Vector AES instructions) +- FEAT_SVE_B16B16 (Non-widening BFloat16 arithmetic for SVE2) - FEAT_SVE_BitPerm (Scalable Vector Bit Permutes instructions) - FEAT_SVE_PMULL128 (Scalable Vector PMULL instructions) - FEAT_SVE_SHA3 (Scalable Vector SHA3 instructions) - FEAT_SVE_SM4 (Scalable Vector SM4 instructions) - FEAT_SVE2 (Scalable Vector Extension version 2) +- FEAT_SVE2p1 (Scalable Vector Extension version 2.1) - FEAT_SPECRES (Speculation restriction instructions) - FEAT_SSBS (Speculative Store Bypass Safe) - FEAT_SSBS2 (MRS and MSR instructions for SSBS version 2) --=20 2.43.0