Author: mw Date: Mon Apr 6 19:45:26 2020 New Revision: 359667 URL: https://svnweb.freebsd.org/changeset/base/359667
Log: 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. Submitted by: Dawid Gorecki <d...@semihalf.com> Reviewed by: kib Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D24310 Modified: head/sys/dev/hwpmc/hwpmc_intel.c head/sys/sys/pmc.h Modified: head/sys/dev/hwpmc/hwpmc_intel.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_intel.c Mon Apr 6 18:52:40 2020 (r359666) +++ head/sys/dev/hwpmc/hwpmc_intel.c Mon Apr 6 19:45:26 2020 (r359667) @@ -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: head/sys/sys/pmc.h ============================================================================== --- head/sys/sys/pmc.h Mon Apr 6 18:52:40 2020 (r359666) +++ head/sys/sys/pmc.h Mon Apr 6 19:45:26 2020 (r359667) @@ -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") \ _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
