Author: mav
Date: Fri Apr 24 15:02:05 2020
New Revision: 360265
URL: https://svnweb.freebsd.org/changeset/base/360265
Log:
MFC r359667 (by mw): Add hwpmc support for Intel Atom Goldmont
microarchitecture
Recognize new micro-architecture in hwpmc_intel driver. Based on Intel
document 325462-071US. Tested with tools/test/hwpmc/pmctest.py
on Atom E3930 SoC.
Modified:
stable/12/sys/dev/hwpmc/hwpmc_intel.c
stable/12/sys/sys/pmc.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/dev/hwpmc/hwpmc_intel.c
==============================================================================
--- stable/12/sys/dev/hwpmc/hwpmc_intel.c Fri Apr 24 14:55:07 2020
(r360264)
+++ stable/12/sys/dev/hwpmc/hwpmc_intel.c Fri Apr 24 15:02:05 2020
(r360265)
@@ -203,6 +203,10 @@ pmc_intel_initialize(void)
cputype = PMC_CPU_INTEL_ATOM_SILVERMONT;
nclasses = 3;
break;
+ case 0x5C: /* Per Intel document 325462-071US 10/2019. */
+ cputype = PMC_CPU_INTEL_ATOM_GOLDMONT;
+ nclasses = 3;
+ break;
}
break;
}
@@ -230,6 +234,7 @@ pmc_intel_initialize(void)
*/
case PMC_CPU_INTEL_ATOM:
case PMC_CPU_INTEL_ATOM_SILVERMONT:
+ case PMC_CPU_INTEL_ATOM_GOLDMONT:
case PMC_CPU_INTEL_BROADWELL:
case PMC_CPU_INTEL_BROADWELL_XEON:
case PMC_CPU_INTEL_SKYLAKE_XEON:
@@ -293,6 +298,7 @@ pmc_intel_finalize(struct pmc_mdep *md)
switch (md->pmd_cputype) {
case PMC_CPU_INTEL_ATOM:
case PMC_CPU_INTEL_ATOM_SILVERMONT:
+ case PMC_CPU_INTEL_ATOM_GOLDMONT:
case PMC_CPU_INTEL_BROADWELL:
case PMC_CPU_INTEL_BROADWELL_XEON:
case PMC_CPU_INTEL_SKYLAKE_XEON:
Modified: stable/12/sys/sys/pmc.h
==============================================================================
--- stable/12/sys/sys/pmc.h Fri Apr 24 14:55:07 2020 (r360264)
+++ stable/12/sys/sys/pmc.h Fri Apr 24 15:02:05 2020 (r360265)
@@ -110,6 +110,7 @@ extern char pmc_cpuid[PMC_CPUID_LEN];
__PMC_CPU(INTEL_BROADWELL_XEON, 0x97, "Intel Broadwell Xeon") \
__PMC_CPU(INTEL_SKYLAKE, 0x98, "Intel Skylake") \
__PMC_CPU(INTEL_SKYLAKE_XEON, 0x99, "Intel Skylake Xeon") \
+ __PMC_CPU(INTEL_ATOM_GOLDMONT, 0x9A, "Intel Atom Goldmont") \
__PMC_CPU(INTEL_XSCALE, 0x100, "Intel XScale") \
__PMC_CPU(MIPS_24K, 0x200, "MIPS 24K") \
__PMC_CPU(MIPS_OCTEON, 0x201, "Cavium Octeon") \
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