Author: andrew Date: Tue Oct 4 12:01:08 2016 New Revision: 306671 URL: https://svnweb.freebsd.org/changeset/base/306671
Log: Read the Multiprocessing Extensions bit from the Multiprocessor Affinity register. Sponsored by: ABT Systems Ltd X-Differential Revision: https://reviews.freebsd.org/D8092 Modified: head/sys/arm/arm/cpuinfo.c head/sys/arm/include/cpuinfo.h Modified: head/sys/arm/arm/cpuinfo.c ============================================================================== --- head/sys/arm/arm/cpuinfo.c Tue Oct 4 11:56:46 2016 (r306670) +++ head/sys/arm/arm/cpuinfo.c Tue Oct 4 12:01:08 2016 (r306671) @@ -131,6 +131,8 @@ cpuinfo_init(void) cpuinfo.generic_timer_ext = (cpuinfo.id_pfr1 >> 16) & 0xF; cpuinfo.virtualization_ext = (cpuinfo.id_pfr1 >> 12) & 0xF; cpuinfo.security_ext = (cpuinfo.id_pfr1 >> 4) & 0xF; + /* mpidr */ + cpuinfo.mp_ext = (cpuinfo.mpidr >> 31u) & 0x1; /* L1 Cache sizes */ if (CPU_CT_FORMAT(cpuinfo.ctr) == CPU_CT_ARMV7) { Modified: head/sys/arm/include/cpuinfo.h ============================================================================== --- head/sys/arm/include/cpuinfo.h Tue Oct 4 11:56:46 2016 (r306670) +++ head/sys/arm/include/cpuinfo.h Tue Oct 4 12:01:08 2016 (r306671) @@ -105,6 +105,9 @@ struct cpuinfo { int dcache_line_mask; int icache_line_size; int icache_line_mask; + + /* mpidr */ + int mp_ext; }; extern struct cpuinfo cpuinfo; _______________________________________________ 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"
