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Tue, 17 Jun 2025 11:40:30 -0400 X-MC-Unique: HgImXl-rNcOmj1HVUCogHg-1 X-Mimecast-MFC-AGG-ID: HgImXl-rNcOmj1HVUCogHg_1750174828 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3CC44195608D; Tue, 17 Jun 2025 15:40:28 +0000 (UTC) Received: from gondolin.str.redhat.com (pixel-6a.str.redhat.com [10.33.192.205]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id D95761800285; Tue, 17 Jun 2025 15:40:22 +0000 (UTC) From: Cornelia Huck To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, kvmarm@lists.linux.dev, peter.maydell@linaro.org, richard.henderson@linaro.org, alex.bennee@linaro.org, maz@kernel.org, oliver.upton@linux.dev, sebott@redhat.com, shameerali.kolothum.thodi@huawei.com, armbru@redhat.com, berrange@redhat.com, abologna@redhat.com, jdenemar@redhat.com, agraf@csgraf.de Cc: shahuang@redhat.com, mark.rutland@arm.com, philmd@linaro.org, pbonzini@redhat.com, Cornelia Huck Subject: [PATCH v8 07/14] arm/cpu: Store aa64smfr0 into the idregs array Date: Tue, 17 Jun 2025 17:39:24 +0200 Message-ID: <20250617153931.1330449-8-cohuck@redhat.com> In-Reply-To: <20250617153931.1330449-1-cohuck@redhat.com> References: <20250617153931.1330449-1-cohuck@redhat.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 From: Eric Auger Reviewed-by: Richard Henderson Reviewed-by: Sebastian Ott Signed-off-by: Eric Auger Signed-off-by: Cornelia Huck --- target/arm/cpu-features.h | 6 +++--- target/arm/cpu.h | 1 - target/arm/cpu64.c | 7 ++----- target/arm/helper.c | 2 +- target/arm/kvm.c | 3 +-- target/arm/tcg/cpu64.c | 4 ++-- 6 files changed, 9 insertions(+), 14 deletions(-) diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h index 9517e8a74c83..051ed7b8847a 100644 --- a/target/arm/cpu-features.h +++ b/target/arm/cpu-features.h @@ -979,17 +979,17 @@ static inline bool isar_feature_aa64_sve_f64mm(const ARMISARegisters *id) static inline bool isar_feature_aa64_sme_f64f64(const ARMISARegisters *id) { - return FIELD_EX64(id->id_aa64smfr0, ID_AA64SMFR0, F64F64); + return FIELD_EX64_IDREG(id, ID_AA64SMFR0, F64F64); } static inline bool isar_feature_aa64_sme_i16i64(const ARMISARegisters *id) { - return FIELD_EX64(id->id_aa64smfr0, ID_AA64SMFR0, I16I64) == 0xf; + return FIELD_EX64_IDREG(id, ID_AA64SMFR0, I16I64) == 0xf; } static inline bool isar_feature_aa64_sme_fa64(const ARMISARegisters *id) { - return FIELD_EX64(id->id_aa64smfr0, ID_AA64SMFR0, FA64); + return FIELD_EX64_IDREG(id, ID_AA64SMFR0, FA64); } /* diff --git a/target/arm/cpu.h b/target/arm/cpu.h index c7935377c6f8..1083ae7623b1 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1074,7 +1074,6 @@ struct ArchCPU { uint32_t dbgdidr; uint32_t dbgdevid; uint32_t dbgdevid1; - uint64_t id_aa64smfr0; uint64_t reset_pmcr_el0; uint64_t idregs[NUM_ID_IDX]; } isar; diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index a215ba8b479c..0f938155d28e 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -328,7 +328,7 @@ void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp) if (vq_map == 0) { if (!cpu_isar_feature(aa64_sme, cpu)) { - cpu->isar.id_aa64smfr0 = 0; + SET_IDREG(&cpu->isar, ID_AA64SMFR0, 0); return; } @@ -381,11 +381,8 @@ static bool cpu_arm_get_sme_fa64(Object *obj, Error **errp) static void cpu_arm_set_sme_fa64(Object *obj, bool value, Error **errp) { ARMCPU *cpu = ARM_CPU(obj); - uint64_t t; - t = cpu->isar.id_aa64smfr0; - t = FIELD_DP64(t, ID_AA64SMFR0, FA64, value); - cpu->isar.id_aa64smfr0 = t; + FIELD_DP64_IDREG(&cpu->isar, ID_AA64SMFR0, FA64, value); } #ifdef CONFIG_USER_ONLY diff --git a/target/arm/helper.c b/target/arm/helper.c index bdfc2ee9d5cc..6ca85ea0cb5a 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -7948,7 +7948,7 @@ void register_cp_regs_for_features(ARMCPU *cpu) .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 5, .access = PL1_R, .type = ARM_CP_CONST, .accessfn = access_aa64_tid3, - .resetvalue = cpu->isar.id_aa64smfr0 }, + .resetvalue = GET_IDREG(isar, ID_AA64SMFR0)}, { .name = "ID_AA64PFR6_EL1_RESERVED", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 6, .access = PL1_R, .type = ARM_CP_CONST, diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 479e5860e024..873685586147 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -314,8 +314,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) err = 0; } else { err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_EL1_IDX); - err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64smfr0, - ARM64_SYS_REG(3, 0, 0, 4, 5)); + err |= get_host_cpu_reg(fd, ahcf, ID_AA64SMFR0_EL1_IDX); err |= get_host_cpu_reg(fd, ahcf, ID_AA64DFR0_EL1_IDX); err |= get_host_cpu_reg(fd, ahcf, ID_AA64DFR1_EL1_IDX); err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX); diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 7e18d31a2535..80a99ab025da 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1267,7 +1267,7 @@ void aarch64_max_tcg_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64DFR0, HPMN0, 1); /* FEAT_HPMN0 */ SET_IDREG(isar, ID_AA64DFR0, t); - t = cpu->isar.id_aa64smfr0; + t = GET_IDREG(isar, ID_AA64SMFR0); t = FIELD_DP64(t, ID_AA64SMFR0, F32F32, 1); /* FEAT_SME */ t = FIELD_DP64(t, ID_AA64SMFR0, B16F32, 1); /* FEAT_SME */ t = FIELD_DP64(t, ID_AA64SMFR0, F16F32, 1); /* FEAT_SME */ @@ -1275,7 +1275,7 @@ void aarch64_max_tcg_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64SMFR0, F64F64, 1); /* FEAT_SME_F64F64 */ t = FIELD_DP64(t, ID_AA64SMFR0, I16I64, 0xf); /* FEAT_SME_I16I64 */ t = FIELD_DP64(t, ID_AA64SMFR0, FA64, 1); /* FEAT_SME_FA64 */ - cpu->isar.id_aa64smfr0 = t; + SET_IDREG(isar, ID_AA64SMFR0, t); /* Replicate the same data to the 32-bit id registers. */ aa32_max_features(cpu); -- 2.49.0