diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2020-02-14 17:51:03 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-02-21 16:07:01 +0000 |
| commit | a617953855b65a602d36364b9643f7e5bc31288e (patch) | |
| tree | 9b8ef04fc4e905cbfc69a549722b15795e79e37a /target/arm/helper.c | |
| parent | d52c061e541982a3663ad5c65bd3b518dbe85b87 (diff) | |
target/arm: Define an aa32_pmu_8_1 isar feature test function
Instead of open-coding a check on the ID_DFR0 PerfMon ID register
field, create a standardly-named isar_feature for "does AArch32 have
a v8.1 PMUv3" and use it.
This entails moving the id_dfr0 field into the ARMISARegisters struct.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200214175116.9164-9-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index f183ac5cbf..f78500e2a9 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6381,8 +6381,7 @@ static void define_pmu_regs(ARMCPU *cpu) g_free(pmevtyper_name); g_free(pmevtyper_el0_name); } - if (FIELD_EX32(cpu->id_dfr0, ID_DFR0, PERFMON) >= 4 && - FIELD_EX32(cpu->id_dfr0, ID_DFR0, PERFMON) != 0xf) { + if (cpu_isar_feature(aa32_pmu_8_1, cpu)) { ARMCPRegInfo v81_pmu_regs[] = { { .name = "PMCEID2", .state = ARM_CP_STATE_AA32, .cp = 15, .opc1 = 0, .crn = 9, .crm = 14, .opc2 = 4, @@ -6856,7 +6855,7 @@ void register_cp_regs_for_features(ARMCPU *cpu) .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 2, .access = PL1_R, .type = ARM_CP_CONST, .accessfn = access_aa32_tid3, - .resetvalue = cpu->id_dfr0 }, + .resetvalue = cpu->isar.id_dfr0 }, { .name = "ID_AFR0", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 3, .access = PL1_R, .type = ARM_CP_CONST, |