svn commit: r346993 - head/sys/arm64/arm64

[Ganbold Tsagaankhuu]

Author: ganbold
Date: Wed May  1 14:20:31 2019
New Revision: 346993
URL: https://svnweb.freebsd.org/changeset/base/346993

Log:
  Add a hw.model sysctl oid for arm64 which reports the CPU model similar to armv6/7.
  
  Reviewed by:	andrew, manu
  Differential Revision:	https://reviews.freebsd.org/D20123

Modified:
  head/sys/arm64/arm64/identcpu.c

Modified: head/sys/arm64/arm64/identcpu.c
==============================================================================
--- head/sys/arm64/arm64/identcpu.c	Wed May  1 13:43:49 2019	(r346992)
+++ head/sys/arm64/arm64/identcpu.c	Wed May  1 14:20:31 2019	(r346993)
@@ -72,6 +72,10 @@ sysctl_hw_machine(SYSCTL_HANDLER_ARGS)
 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.
@@ -1312,6 +1316,10 @@ identify_cpu(void)
 
 	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();