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charset="utf-8" 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=2a00:1450:4864:20::436; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x436.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: 1694192790692100003 From: Aaron Lindsay Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Signed-off-by: Aaron Lindsay Signed-off-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20230829232335.965414-3-richard.henderson@linaro.org [PMM: drop the HVF part of the patch and just comment that we need to do something when the register appears in that API] Signed-off-by: Peter Maydell Signed-off-by: Richard Henderson Signed-off-by: Peter Maydell --- target/arm/cpu.h | 1 + target/arm/helper.c | 4 ++-- target/arm/hvf/hvf.c | 1 + target/arm/kvm64.c | 2 ++ 4 files changed, 6 insertions(+), 2 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 278cc135c23..9b76cc68c6d 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1033,6 +1033,7 @@ struct ArchCPU { uint32_t dbgdevid1; uint64_t id_aa64isar0; 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/helper.c b/target/arm/helper.c index e3f5a7d2bdc..f9f7c3c39e9 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -8435,11 +8435,11 @@ void register_cp_regs_for_features(ARMCPU *cpu) .access =3D PL1_R, .type =3D ARM_CP_CONST, .accessfn =3D access_aa64_tid3, .resetvalue =3D cpu->isar.id_aa64isar1 }, - { .name =3D "ID_AA64ISAR2_EL1_RESERVED", .state =3D ARM_CP_STA= TE_AA64, + { .name =3D "ID_AA64ISAR2_EL1", .state =3D ARM_CP_STATE_AA64, .opc0 =3D 3, .opc1 =3D 0, .crn =3D 0, .crm =3D 6, .opc2 =3D = 2, .access =3D PL1_R, .type =3D ARM_CP_CONST, .accessfn =3D access_aa64_tid3, - .resetvalue =3D 0 }, + .resetvalue =3D cpu->isar.id_aa64isar2 }, { .name =3D "ID_AA64ISAR3_EL1_RESERVED", .state =3D ARM_CP_STA= TE_AA64, .opc0 =3D 3, .opc1 =3D 0, .crn =3D 0, .crm =3D 6, .opc2 =3D = 3, .access =3D PL1_R, .type =3D ARM_CP_CONST, diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 486f90be1d2..546c0e817f4 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -847,6 +847,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFea= tures *ahcf) { HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 }, { HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.id_aa64isar0 }, { HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.id_aa64isar1 }, + /* Add ID_AA64ISAR2_EL1 here when HVF supports it */ { HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.id_aa64mmfr0 }, { HV_SYS_REG_ID_AA64MMFR1_EL1, &host_isar.id_aa64mmfr1 }, { HV_SYS_REG_ID_AA64MMFR2_EL1, &host_isar.id_aa64mmfr2 }, diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index 4d904a1d11b..ac440c33f9a 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -304,6 +304,8 @@ bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *= ahcf) ARM64_SYS_REG(3, 0, 0, 6, 0)); err |=3D read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar1, ARM64_SYS_REG(3, 0, 0, 6, 1)); + err |=3D read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar2, + ARM64_SYS_REG(3, 0, 0, 6, 2)); err |=3D read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr0, ARM64_SYS_REG(3, 0, 0, 7, 0)); err |=3D read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1, --=20 2.34.1