Date: Sun, 3 May 2009 02:37:13 +0000 (UTC) From: Takahashi Yoshihiro <nyan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r191761 - head/sys/pc98/cbus Message-ID: <200905030237.n432bD2x001879@svn.freebsd.org>
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Author: nyan Date: Sun May 3 02:37:13 2009 New Revision: 191761 URL: http://svn.freebsd.org/changeset/base/191761 Log: MFi386: revision 191745 Add support for using i8254 and rtc timers as event sources for i386 SMP system. Redistribute hard-/stat-/profclock events to other CPUs using IPI. Modified: head/sys/pc98/cbus/clock.c Modified: head/sys/pc98/cbus/clock.c ============================================================================== --- head/sys/pc98/cbus/clock.c Sat May 2 22:30:33 2009 (r191760) +++ head/sys/pc98/cbus/clock.c Sun May 3 02:37:13 2009 (r191761) @@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$"); #include <sys/timetc.h> #include <sys/kernel.h> #include <sys/module.h> +#include <sys/smp.h> #include <sys/sysctl.h> #include <machine/clock.h> @@ -71,6 +72,7 @@ __FBSDID("$FreeBSD$"); #endif #include <machine/ppireg.h> #include <machine/timerreg.h> +#include <machine/smp.h> #include <pc98/pc98/pc98_machdep.h> #ifdef DEV_ISA @@ -123,6 +125,31 @@ static struct timecounter i8254_timecoun 0 /* quality */ }; +int +hardclockintr(struct trapframe *frame) +{ + + if (PCPU_GET(cpuid) == 0) + hardclock(TRAPF_USERMODE(frame), TRAPF_PC(frame)); + else + hardclock_cpu(TRAPF_USERMODE(frame)); + return (FILTER_HANDLED); +} + +int +statclockintr(struct trapframe *frame) +{ + + return (FILTER_HANDLED); +} + +int +profclockintr(struct trapframe *frame) +{ + + return (FILTER_HANDLED); +} + static int clkintr(struct trapframe *frame) { @@ -151,7 +178,14 @@ clkintr(struct trapframe *frame) (*lapic_cyclic_clock_func[cpu])(frame); #endif - hardclock(TRAPF_USERMODE(frame), TRAPF_PC(frame)); +#ifdef SMP + if (smp_started) + ipi_all_but_self(IPI_HARDCLOCK); +#endif + if (PCPU_GET(cpuid) == 0) + hardclock(TRAPF_USERMODE(frame), TRAPF_PC(frame)); + else + hardclock_cpu(TRAPF_USERMODE(frame)); return (FILTER_HANDLED); }
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