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Differential D20123 Diff 56907 head/sys/arm64/arm64/identcpu.c

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head/sys/arm64/arm64/identcpu.c

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#endif #endif
error = SYSCTL_OUT(req, machine, sizeof(machine)); error = SYSCTL_OUT(req, machine, sizeof(machine));
return (error); return (error);
} }
SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD | SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD |
CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine, "A", "Machine class"); CTLFLAG_MPSAFE, NULL, 0, sysctl_hw_machine, "A", "Machine class");
static char cpu_model[64];
SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD,
cpu_model, sizeof(cpu_model), "Machine model");
/* /*
* Per-CPU affinity as provided in MPIDR_EL1 * Per-CPU affinity as provided in MPIDR_EL1
* Indexed by CPU number in logical order selected by the system. * Indexed by CPU number in logical order selected by the system.
* Relevant fields can be extracted using CPU_AFFn macros, * Relevant fields can be extracted using CPU_AFFn macros,
* Aff3.Aff2.Aff1.Aff0 construct a unique CPU address in the system. * Aff3.Aff2.Aff1.Aff0 construct a unique CPU address in the system.
* *
* Fields used by us: * Fields used by us:
* Aff1 - Cluster number * Aff1 - Cluster number
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cpu_desc[cpu].cpu_part_num = part_id; cpu_desc[cpu].cpu_part_num = part_id;
cpu_desc[cpu].cpu_part_name = cpu_partsp[i].part_name; cpu_desc[cpu].cpu_part_name = cpu_partsp[i].part_name;
break; break;
} }
} }
cpu_desc[cpu].cpu_revision = CPU_REV(midr); cpu_desc[cpu].cpu_revision = CPU_REV(midr);
cpu_desc[cpu].cpu_variant = CPU_VAR(midr); cpu_desc[cpu].cpu_variant = CPU_VAR(midr);
snprintf(cpu_model, sizeof(cpu_model), "%s %s r%dp%d",
cpu_desc[cpu].cpu_impl_name, cpu_desc[cpu].cpu_part_name,
cpu_desc[cpu].cpu_variant, cpu_desc[cpu].cpu_revision);
/* Save affinity for current CPU */ /* Save affinity for current CPU */
cpu_desc[cpu].mpidr = get_mpidr(); cpu_desc[cpu].mpidr = get_mpidr();
CPU_AFFINITY(cpu) = cpu_desc[cpu].mpidr & CPU_AFF_MASK; CPU_AFFINITY(cpu) = cpu_desc[cpu].mpidr & CPU_AFF_MASK;
cpu_desc[cpu].id_aa64dfr0 = READ_SPECIALREG(ID_AA64DFR0_EL1); cpu_desc[cpu].id_aa64dfr0 = READ_SPECIALREG(ID_AA64DFR0_EL1);
cpu_desc[cpu].id_aa64dfr1 = READ_SPECIALREG(ID_AA64DFR1_EL1); cpu_desc[cpu].id_aa64dfr1 = READ_SPECIALREG(ID_AA64DFR1_EL1);
cpu_desc[cpu].id_aa64isar0 = READ_SPECIALREG(ID_AA64ISAR0_EL1); cpu_desc[cpu].id_aa64isar0 = READ_SPECIALREG(ID_AA64ISAR0_EL1);
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