diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2024-04-18 16:20:03 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-04-30 15:01:07 +0100 |
| commit | f7ddd7b6a1f90cae677303e96b91e866a1570f6a (patch) | |
| tree | 305a47052871f43ba3d8cc19cd4fd60699a78fc9 /target/arm | |
| parent | 74360f3544be380f3a6f7a0f1cd8082ddd4a75ad (diff) | |
target/arm: Implement ID_AA64MMFR3_EL1
Newer versions of the Arm ARM (e.g. rev K.a) now define fields for
ID_AA64MMFR3_EL1. Implement this register, so that we can set the
fields if we need to. There's no behaviour change here since we
don't currently set the register value to non-zero.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240418152004.2106516-5-peter.maydell@linaro.org
Diffstat (limited to 'target/arm')
| -rw-r--r-- | target/arm/cpu.h | 17 | ||||
| -rw-r--r-- | target/arm/helper.c | 6 | ||||
| -rw-r--r-- | target/arm/hvf/hvf.c | 2 | ||||
| -rw-r--r-- | target/arm/kvm.c | 2 |
4 files changed, 25 insertions, 2 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 17efc5d565..1f90590f93 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1011,6 +1011,7 @@ struct ArchCPU { uint64_t id_aa64mmfr0; uint64_t id_aa64mmfr1; uint64_t id_aa64mmfr2; + uint64_t id_aa64mmfr3; uint64_t id_aa64dfr0; uint64_t id_aa64dfr1; uint64_t id_aa64zfr0; @@ -2206,6 +2207,22 @@ FIELD(ID_AA64MMFR2, BBM, 52, 4) FIELD(ID_AA64MMFR2, EVT, 56, 4) FIELD(ID_AA64MMFR2, E0PD, 60, 4) +FIELD(ID_AA64MMFR3, TCRX, 0, 4) +FIELD(ID_AA64MMFR3, SCTLRX, 4, 4) +FIELD(ID_AA64MMFR3, S1PIE, 8, 4) +FIELD(ID_AA64MMFR3, S2PIE, 12, 4) +FIELD(ID_AA64MMFR3, S1POE, 16, 4) +FIELD(ID_AA64MMFR3, S2POE, 20, 4) +FIELD(ID_AA64MMFR3, AIE, 24, 4) +FIELD(ID_AA64MMFR3, MEC, 28, 4) +FIELD(ID_AA64MMFR3, D128, 32, 4) +FIELD(ID_AA64MMFR3, D128_2, 36, 4) +FIELD(ID_AA64MMFR3, SNERR, 40, 4) +FIELD(ID_AA64MMFR3, ANERR, 44, 4) +FIELD(ID_AA64MMFR3, SDERR, 52, 4) +FIELD(ID_AA64MMFR3, ADERR, 56, 4) +FIELD(ID_AA64MMFR3, SPEC_FPACC, 60, 4) + FIELD(ID_AA64DFR0, DEBUGVER, 0, 4) FIELD(ID_AA64DFR0, TRACEVER, 4, 4) FIELD(ID_AA64DFR0, PMUVER, 8, 4) diff --git a/target/arm/helper.c b/target/arm/helper.c index 6b224826fb..bb0e1baf62 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -9004,11 +9004,11 @@ void register_cp_regs_for_features(ARMCPU *cpu) .access = PL1_R, .type = ARM_CP_CONST, .accessfn = access_aa64_tid3, .resetvalue = cpu->isar.id_aa64mmfr2 }, - { .name = "ID_AA64MMFR3_EL1_RESERVED", .state = ARM_CP_STATE_AA64, + { .name = "ID_AA64MMFR3_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 3, .access = PL1_R, .type = ARM_CP_CONST, .accessfn = access_aa64_tid3, - .resetvalue = 0 }, + .resetvalue = cpu->isar.id_aa64mmfr3 }, { .name = "ID_AA64MMFR4_EL1_RESERVED", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 4, .access = PL1_R, .type = ARM_CP_CONST, @@ -9165,6 +9165,8 @@ void register_cp_regs_for_features(ARMCPU *cpu) .exported_bits = R_ID_AA64MMFR1_AFP_MASK }, { .name = "ID_AA64MMFR2_EL1", .exported_bits = R_ID_AA64MMFR2_AT_MASK }, + { .name = "ID_AA64MMFR3_EL1", + .exported_bits = 0 }, { .name = "ID_AA64MMFR*_EL1_RESERVED", .is_glob = true }, { .name = "ID_AA64DFR0_EL1", diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 8e942f89b3..08d0757438 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -497,6 +497,7 @@ static struct hvf_sreg_match hvf_sreg_match[] = { #endif { HV_SYS_REG_ID_AA64MMFR1_EL1, HVF_SYSREG(0, 7, 3, 0, 1) }, { HV_SYS_REG_ID_AA64MMFR2_EL1, HVF_SYSREG(0, 7, 3, 0, 2) }, + /* Add ID_AA64MMFR3_EL1 here when HVF supports it */ { HV_SYS_REG_MDSCR_EL1, HVF_SYSREG(0, 2, 2, 0, 2) }, { HV_SYS_REG_SCTLR_EL1, HVF_SYSREG(1, 0, 3, 0, 0) }, @@ -855,6 +856,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) { 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 }, + /* Add ID_AA64MMFR3_EL1 here when HVF supports it */ }; hv_vcpu_t fd; hv_return_t r = HV_SUCCESS; diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 21ebbf3b8f..7cf5cf31de 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -331,6 +331,8 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) ARM64_SYS_REG(3, 0, 0, 7, 1)); err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr2, ARM64_SYS_REG(3, 0, 0, 7, 2)); + err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr3, + ARM64_SYS_REG(3, 0, 0, 7, 3)); /* * Note that if AArch32 support is not present in the host, |