diff options
| -rw-r--r-- | target/arm/cpregs-pmu.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/target/arm/cpregs-pmu.c b/target/arm/cpregs-pmu.c index 0f295b1376..9c4431c18b 100644 --- a/target/arm/cpregs-pmu.c +++ b/target/arm/cpregs-pmu.c @@ -1067,11 +1067,6 @@ static const ARMCPRegInfo v7_pm_reginfo[] = { .fgt = FGT_PMSELR_EL0, .fieldoffset = offsetof(CPUARMState, cp15.c9_pmselr), .writefn = pmselr_write, .raw_writefn = raw_write, }, - { .name = "PMCCNTR", .cp = 15, .crn = 9, .crm = 13, .opc1 = 0, .opc2 = 0, - .access = PL0_RW, .resetvalue = 0, .type = ARM_CP_ALIAS | ARM_CP_IO, - .fgt = FGT_PMCCNTR_EL0, - .readfn = pmccntr_read, .writefn = pmccntr_write32, - .accessfn = pmreg_access_ccntr }, { .name = "PMCCNTR_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 9, .crm = 13, .opc2 = 0, .access = PL0_RW, .accessfn = pmreg_access_ccntr, @@ -1211,6 +1206,23 @@ void define_pm_cpregs(ARMCPU *cpu) define_one_arm_cp_reg(cpu, &pmcr); define_one_arm_cp_reg(cpu, &pmcr64); define_arm_cp_regs(cpu, v7_pm_reginfo); + /* + * 32-bit AArch32 PMCCNTR. We don't expose this to GDB if the + * new-in-v8 PMUv3 64-bit AArch32 PMCCNTR register is implemented + * (as that will provide the GDB user's view of "PMCCNTR"). + */ + ARMCPRegInfo pmccntr = { + .name = "PMCCNTR", + .cp = 15, .crn = 9, .crm = 13, .opc1 = 0, .opc2 = 0, + .access = PL0_RW, .accessfn = pmreg_access_ccntr, + .resetvalue = 0, .type = ARM_CP_ALIAS | ARM_CP_IO, + .fgt = FGT_PMCCNTR_EL0, + .readfn = pmccntr_read, .writefn = pmccntr_write32, + }; + if (arm_feature(env, ARM_FEATURE_V8)) { + pmccntr.type |= ARM_CP_NO_GDB; + } + define_one_arm_cp_reg(cpu, &pmccntr); for (unsigned i = 0, pmcrn = pmu_num_counters(env); i < pmcrn; i++) { g_autofree char *pmevcntr_name = g_strdup_printf("PMEVCNTR%d", i); @@ -1276,6 +1288,13 @@ void define_pm_cpregs(ARMCPU *cpu) .access = PL0_R, .accessfn = pmreg_access, .type = ARM_CP_CONST, .fgt = FGT_PMCEIDN_EL0, .resetvalue = cpu->pmceid1 }, + /* AArch32 64-bit PMCCNTR view: added in PMUv3 with Armv8 */ + { .name = "PMCCNTR", .state = ARM_CP_STATE_AA32, + .cp = 15, .crm = 9, .opc1 = 0, + .access = PL0_RW, .accessfn = pmreg_access_ccntr, .resetvalue = 0, + .type = ARM_CP_ALIAS | ARM_CP_IO | ARM_CP_64BIT, + .fgt = FGT_PMCCNTR_EL0, .readfn = pmccntr_read, + .writefn = pmccntr_write, }, }; define_arm_cp_regs(cpu, v8_pm_reginfo); } |