From patchwork Fri Oct 25 10:17:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 13850450 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C6667D0C5FC for ; Fri, 25 Oct 2024 10:25:21 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t4HSu-0004wX-V9; Fri, 25 Oct 2024 06:22:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t4HSX-00044v-3m for qemu-devel@nongnu.org; Fri, 25 Oct 2024 06:22:26 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t4HSU-0000Uz-T8 for qemu-devel@nongnu.org; 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Fri, 25 Oct 2024 10:21:09 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.194.5]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6C368196BB7D; Fri, 25 Oct 2024 10:21:03 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, cohuck@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 Cc: shahuang@redhat.com, mark.rutland@arm.com, philmd@linaro.org, pbonzini@redhat.com Subject: [RFC 08/21] arm/cpu: Store aa64smfr0 into the idregs array Date: Fri, 25 Oct 2024 12:17:27 +0200 Message-ID: <20241025101959.601048-9-eric.auger@redhat.com> In-Reply-To: <20241025101959.601048-1-eric.auger@redhat.com> References: <20241025101959.601048-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.263, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Eric Auger --- 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 9b0d5157bf..ada5d7eccc 100644 --- a/target/arm/cpu-features.h +++ b/target/arm/cpu-features.h @@ -952,17 +952,17 @@ 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->idregs, 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->idregs, 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->idregs, ID_AA64SMFR0, FA64); } /* diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 6954952d5f..7f808e5772 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1088,7 +1088,6 @@ struct ArchCPU { uint32_t dbgdidr; uint32_t dbgdevid; uint32_t dbgdevid1; - uint64_t id_aa64smfr0; uint64_t reset_pmcr_el0; IdRegMap idregs; } isar; diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 85f581edb7..bf3eb5d0b5 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -305,7 +305,7 @@ 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.idregs, ID_AA64SMFR0, 0); return; } @@ -358,11 +358,8 @@ 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.idregs, ID_AA64SMFR0, FA64, value); } #ifdef CONFIG_USER_ONLY diff --git a/target/arm/helper.c b/target/arm/helper.c index c15b24933d..7e73130d35 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -8900,7 +8900,7 @@ 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(idregs, 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 7377e4a133..e899f180f8 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -326,8 +326,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) err = 0; } else { err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64PFR1_EL1); - err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64smfr0, - ARM64_SYS_REG(3, 0, 0, 4, 5)); + err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64SMFR0_EL1); err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64DFR0_EL1); err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64DFR1_EL1); err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64ISAR0_EL1); diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 56f086cb28..611c252eae 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1264,7 +1264,7 @@ void aarch64_max_tcg_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64DFR0, HPMN0, 1); /* FEAT_HPMN0 */ SET_IDREG(idregs, ID_AA64DFR0, t); - t = cpu->isar.id_aa64smfr0; + t = GET_IDREG(idregs, 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 */ @@ -1272,7 +1272,7 @@ 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(idregs, ID_AA64SMFR0, t); /* Replicate the same data to the 32-bit id registers. */ aa32_max_features(cpu);