Index: sys/arm64/arm64/identcpu.c
===================================================================
--- sys/arm64/arm64/identcpu.c
+++ sys/arm64/arm64/identcpu.c
@@ -72,6 +72,10 @@
 SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD |
 	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
  * Indexed by CPU number in logical order selected by the system.
@@ -1313,6 +1317,10 @@
 	cpu_desc[cpu].cpu_revision = CPU_REV(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 */
 	cpu_desc[cpu].mpidr = get_mpidr();
 	CPU_AFFINITY(cpu) = cpu_desc[cpu].mpidr & CPU_AFF_MASK;