svn commit: r191761 - head/sys/pc98/cbus
Takahashi Yoshihiro
nyan at FreeBSD.org
Sun May 3 02:37:14 UTC 2009
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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