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From: Cornelia Huck <cohuck@redhat.com>
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 <cohuck@redhat.com>
Subject: [PATCH v2 08/14] arm/cpu: Store aa64smfr0 into the idregs array
Date: Wed,  5 Mar 2025 17:38:13 +0100	[thread overview]
Message-ID: <20250305163819.2477553-9-cohuck@redhat.com> (raw)
In-Reply-To: <20250305163819.2477553-1-cohuck@redhat.com>

From: Eric Auger <eric.auger@redhat.com>

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
 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 7f6331ca437d..1ac1f3e95984 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -978,17 +978,17 @@ 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 04f19ce48cfe..b27522d8a139 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,7 +1097,6 @@ 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 1d1657e127ef..e9668f82479e 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -306,7 +306,7 @@ 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;
         }
 
@@ -359,11 +359,8 @@ 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 3a107044026c..66eda355794a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7725,7 +7725,7 @@ 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 e0efdc97ce0b..22db87e11089 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -343,8 +343,7 @@ 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 41077b3dcd08..cadc1258fc40 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1268,7 +1268,7 @@ 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 */
@@ -1276,7 +1276,7 @@ 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);
-- 
2.48.1


  parent reply	other threads:[~2025-03-05 16:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
2025-03-06  1:14   ` Richard Henderson
2025-03-07 15:32     ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs Cornelia Huck
2025-03-06  1:15   ` Richard Henderson
2025-03-07 15:35     ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 03/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 04/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 05/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 06/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 07/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
2025-03-05 16:38 ` Cornelia Huck [this message]
2025-03-05 16:38 ` [PATCH v2 09/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 10/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 11/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 12/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 13/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 14/14] arm/cpu: Add generated files Cornelia Huck

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