diff mbox series

[RFC,04/21] arm/cpu: Store aa64isar1/2 into the idregs array

Message ID 20241025101959.601048-5-eric.auger@redhat.com
State New
Headers show
Series kvm/arm: Introduce a customizable aarch64 KVM host model | expand

Commit Message

Eric Auger Oct. 25, 2024, 10:17 a.m. UTC
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 target/arm/cpu-features.h | 38 +++++++++++++++++++-------------------
 target/arm/cpu.h          |  2 --
 target/arm/cpu.c          |  9 +++------
 target/arm/cpu64.c        |  9 +++++----
 target/arm/helper.c       |  4 ++--
 target/arm/kvm.c          |  6 ++----
 target/arm/tcg/cpu64.c    | 24 ++++++++++++------------
 7 files changed, 43 insertions(+), 49 deletions(-)
diff mbox series

Patch

diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 4eb29d205c..de571b520f 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -466,12 +466,12 @@  static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id)
 
 static inline bool isar_feature_aa64_jscvt(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, JSCVT) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, JSCVT) != 0;
 }
 
 static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, FCMA) != 0;
 }
 
 /*
@@ -495,9 +495,9 @@  isar_feature_pauth_feature(const ARMISARegisters *id)
      * Architecturally, only one of {APA,API,APA3} may be active (non-zero)
      * and the other two must be zero.  Thus we may avoid conditionals.
      */
-    return (FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) |
-            FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, API) |
-            FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, APA3));
+    return (FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, APA) |
+            FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, API) |
+            FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR2, APA3));
 }
 
 static inline bool isar_feature_aa64_pauth(const ARMISARegisters *id)
@@ -515,7 +515,7 @@  static inline bool isar_feature_aa64_pauth_qarma5(const ARMISARegisters *id)
      * Return true if pauth is enabled with the architected QARMA5 algorithm.
      * QEMU will always enable or disable both APA and GPA.
      */
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, APA) != 0;
 }
 
 static inline bool isar_feature_aa64_pauth_qarma3(const ARMISARegisters *id)
@@ -524,67 +524,67 @@  static inline bool isar_feature_aa64_pauth_qarma3(const ARMISARegisters *id)
      * Return true if pauth is enabled with the architected QARMA3 algorithm.
      * QEMU will always enable or disable both APA3 and GPA3.
      */
-    return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, APA3) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR2, APA3) != 0;
 }
 
 static inline bool isar_feature_aa64_sb(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SB) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, SB) != 0;
 }
 
 static inline bool isar_feature_aa64_predinv(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SPECRES) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, SPECRES) != 0;
 }
 
 static inline bool isar_feature_aa64_frint(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FRINTTS) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, FRINTTS) != 0;
 }
 
 static inline bool isar_feature_aa64_dcpop(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, DPB) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, DPB) != 0;
 }
 
 static inline bool isar_feature_aa64_dcpodp(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, DPB) >= 2;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, DPB) >= 2;
 }
 
 static inline bool isar_feature_aa64_bf16(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, BF16) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, BF16) != 0;
 }
 
 static inline bool isar_feature_aa64_rcpc_8_3(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, LRCPC) != 0;
 }
 
 static inline bool isar_feature_aa64_rcpc_8_4(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) >= 2;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, LRCPC) >= 2;
 }
 
 static inline bool isar_feature_aa64_i8mm(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, I8MM) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR1, I8MM) != 0;
 }
 
 static inline bool isar_feature_aa64_wfxt(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, WFXT) >= 2;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR2, WFXT) >= 2;
 }
 
 static inline bool isar_feature_aa64_hbc(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, BC) != 0;
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR2, BC) != 0;
 }
 
 static inline bool isar_feature_aa64_mops(const ARMISARegisters *id)
 {
-    return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, MOPS);
+    return FIELD_EX64_IDREG(&id->idregs, ID_AA64ISAR2, MOPS);
 }
 
 static inline bool isar_feature_aa64_fp_simd(const ARMISARegisters *id)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index aee8dfe439..87df224121 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1082,8 +1082,6 @@  struct ArchCPU {
         uint32_t dbgdidr;
         uint32_t dbgdevid;
         uint32_t dbgdevid1;
-        uint64_t id_aa64isar1;
-        uint64_t id_aa64isar2;
         uint64_t id_aa64pfr0;
         uint64_t id_aa64pfr1;
         uint64_t id_aa64mmfr0;
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 9521eed586..a4b59b259c 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2124,9 +2124,7 @@  static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         uint64_t t;
         uint32_t u;
 
-        t = cpu->isar.id_aa64isar1;
-        t = FIELD_DP64(t, ID_AA64ISAR1, JSCVT, 0);
-        cpu->isar.id_aa64isar1 = t;
+        FIELD_DP64_IDREG(idregs, ID_AA64ISAR1, JSCVT, 0);
 
         t = cpu->isar.id_aa64pfr0;
         t = FIELD_DP64(t, ID_AA64PFR0, FP, 0xf);
@@ -2179,11 +2177,11 @@  static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
         t = FIELD_DP64(t, ID_AA64ISAR0, DP, 0);
         SET_IDREG(idregs, ID_AA64ISAR0, t);
 
-        t = cpu->isar.id_aa64isar1;
+        t = GET_IDREG(idregs, ID_AA64ISAR1);
         t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 0);
         t = FIELD_DP64(t, ID_AA64ISAR1, BF16, 0);
         t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 0);
-        cpu->isar.id_aa64isar1 = t;
+        SET_IDREG(idregs, ID_AA64ISAR1, t);
 
         t = cpu->isar.id_aa64pfr0;
         t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 0xf);
@@ -2219,7 +2217,6 @@  static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
     }
 
     if (!cpu->has_neon && !cpu->has_vfp) {
-        uint64_t t;
         uint32_t u;
 
         FIELD_DP64_IDREG(idregs, ID_AA64ISAR0, FHM, 0);
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 1451b3e1b3..d16c7487ac 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -479,6 +479,7 @@  void aarch64_add_sme_properties(Object *obj)
 void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
 {
     ARMPauthFeature features = cpu_isar_feature(pauth_feature, cpu);
+    IdRegMap *idregs = &cpu->isar.idregs;
     uint64_t isar1, isar2;
 
     /*
@@ -489,13 +490,13 @@  void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
      *
      * Begin by disabling all fields.
      */
-    isar1 = cpu->isar.id_aa64isar1;
+    isar1 = GET_IDREG(idregs, ID_AA64ISAR1);
     isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, APA, 0);
     isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPA, 0);
     isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, API, 0);
     isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPI, 0);
 
-    isar2 = cpu->isar.id_aa64isar2;
+    isar2 = GET_IDREG(idregs, ID_AA64ISAR2);
     isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, APA3, 0);
     isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, GPA3, 0);
 
@@ -542,8 +543,8 @@  void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
         }
     }
 
-    cpu->isar.id_aa64isar1 = isar1;
-    cpu->isar.id_aa64isar2 = isar2;
+    SET_IDREG(idregs, ID_AA64ISAR1, isar1);
+    SET_IDREG(idregs, ID_AA64ISAR2, isar2);
 }
 
 static Property arm_cpu_pauth_property =
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 8eae775d87..209b7c22b6 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -8960,12 +8960,12 @@  void register_cp_regs_for_features(ARMCPU *cpu)
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1,
               .access = PL1_R, .type = ARM_CP_CONST,
               .accessfn = access_aa64_tid3,
-              .resetvalue = cpu->isar.id_aa64isar1 },
+              .resetvalue = GET_IDREG(idregs, ID_AA64ISAR1)},
             { .name = "ID_AA64ISAR2_EL1", .state = ARM_CP_STATE_AA64,
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 2,
               .access = PL1_R, .type = ARM_CP_CONST,
               .accessfn = access_aa64_tid3,
-              .resetvalue = cpu->isar.id_aa64isar2 },
+              .resetvalue = GET_IDREG(idregs, ID_AA64ISAR2)},
             { .name = "ID_AA64ISAR3_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 3,
               .access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 7a2087c195..c30dc53622 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -335,10 +335,8 @@  static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
         err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr1,
                               ARM64_SYS_REG(3, 0, 0, 5, 1));
         err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64ISAR0_EL1);
-        err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar1,
-                              ARM64_SYS_REG(3, 0, 0, 6, 1));
-        err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar2,
-                              ARM64_SYS_REG(3, 0, 0, 6, 2));
+        err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64ISAR1_EL1);
+        err |= get_host_cpu_reg64(fd, ahcf, SYS_ID_AA64ISAR2_EL1);
         err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr0,
                               ARM64_SYS_REG(3, 0, 0, 7, 0));
         err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1,
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 1b25ca4382..7be63f21a1 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -94,7 +94,7 @@  static void aarch64_a35_initfn(Object *obj)
     cpu->isar.id_aa64dfr0 = 0x10305106;
     cpu->isar.id_aa64dfr1 = 0;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x00011120);
-    cpu->isar.id_aa64isar1 = 0;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0);
     cpu->isar.id_aa64mmfr0 = 0x00101122;
     cpu->isar.id_aa64mmfr1 = 0;
     cpu->clidr = 0x0a200023;
@@ -247,7 +247,7 @@  static void aarch64_a55_initfn(Object *obj)
     cpu->dcz_blocksize = 4; /* 64 bytes */
     cpu->isar.id_aa64dfr0  = 0x0000000010305408ull;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x0000100010211120ull);
-    cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0000000000100001ull);
     cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
     cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
     cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@@ -374,7 +374,7 @@  static void aarch64_a76_initfn(Object *obj)
     cpu->dcz_blocksize = 4;
     cpu->isar.id_aa64dfr0  = 0x0000000010305408ull;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x0000100010211120ull);
-    cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0000000000100001ull);
     cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
     cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
     cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@@ -451,7 +451,7 @@  static void aarch64_a64fx_initfn(Object *obj)
     cpu->isar.id_aa64mmfr1 = 0x0000000011212100;
     cpu->isar.id_aa64mmfr2 = 0x0000000000001011;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x0000000010211120);
-    cpu->isar.id_aa64isar1 = 0x0000000000010001;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0000000000010001);
     SET_IDREG(idregs, ID_AA64ZFR0, 0x0000000000000000);
     cpu->clidr = 0x0000000080000023;
     cpu->ccsidr[0] = 0x7007e01c; /* 64KB L1 dcache */
@@ -616,7 +616,7 @@  static void aarch64_neoverse_n1_initfn(Object *obj)
     cpu->dcz_blocksize = 4;
     cpu->isar.id_aa64dfr0  = 0x0000000110305408ull;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x0000100010211120ull);
-    cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0000000000100001ull);
     cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
     cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
     cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@@ -692,7 +692,7 @@  static void aarch64_neoverse_v1_initfn(Object *obj)
     cpu->isar.id_aa64dfr0  = 0x000001f210305519ull;
     cpu->isar.id_aa64dfr1 = 0x00000000;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
-    cpu->isar.id_aa64isar1 = 0x0111000001211032ull;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0111000001211032ull);
     cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
     cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
     cpu->isar.id_aa64mmfr2 = 0x0220011102101011ull;
@@ -938,7 +938,7 @@  static void aarch64_a710_initfn(Object *obj)
     cpu->id_aa64afr0       = 0;
     cpu->id_aa64afr1       = 0;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
-    cpu->isar.id_aa64isar1 = 0x0010111101211052ull;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0010111101211052ull);
     cpu->isar.id_aa64mmfr0 = 0x0000022200101122ull;
     cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
     cpu->isar.id_aa64mmfr2 = 0x1221011110101011ull;
@@ -1037,7 +1037,7 @@  static void aarch64_neoverse_n2_initfn(Object *obj)
     cpu->id_aa64afr0       = 0;
     cpu->id_aa64afr1       = 0;
     SET_IDREG(idregs, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
-    cpu->isar.id_aa64isar1 = 0x0011111101211052ull;
+    SET_IDREG(idregs, ID_AA64ISAR1, 0x0011111101211052ull);
     cpu->isar.id_aa64mmfr0 = 0x0000022200101125ull;
     cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
     cpu->isar.id_aa64mmfr2 = 0x1221011112101011ull;
@@ -1160,7 +1160,7 @@  void aarch64_max_tcg_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1);     /* FEAT_RNG */
     SET_IDREG(idregs, ID_AA64ISAR0, t);
 
-    t = cpu->isar.id_aa64isar1;
+    t = GET_IDREG(idregs, ID_AA64ISAR1);
     t = FIELD_DP64(t, ID_AA64ISAR1, DPB, 2);      /* FEAT_DPB2 */
     t = FIELD_DP64(t, ID_AA64ISAR1, APA, PauthFeat_FPACCOMBINED);
     t = FIELD_DP64(t, ID_AA64ISAR1, API, 1);
@@ -1173,13 +1173,13 @@  void aarch64_max_tcg_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64ISAR1, BF16, 1);     /* FEAT_BF16 */
     t = FIELD_DP64(t, ID_AA64ISAR1, DGH, 1);      /* FEAT_DGH */
     t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 1);     /* FEAT_I8MM */
-    cpu->isar.id_aa64isar1 = t;
+    SET_IDREG(idregs, ID_AA64ISAR1, t);
 
-    t = cpu->isar.id_aa64isar2;
+    t = GET_IDREG(idregs, ID_AA64ISAR2);
     t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1);     /* FEAT_MOPS */
     t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1);       /* FEAT_HBC */
     t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2);     /* FEAT_WFxT */
-    cpu->isar.id_aa64isar2 = t;
+    SET_IDREG(idregs, ID_AA64ISAR2, t);
 
     t = cpu->isar.id_aa64pfr0;
     t = FIELD_DP64(t, ID_AA64PFR0, FP, 1);        /* FEAT_FP16 */