diff options
author | nyan <nyan@FreeBSD.org> | 2009-05-03 02:37:13 +0000 |
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committer | nyan <nyan@FreeBSD.org> | 2009-05-03 02:37:13 +0000 |
commit | 4c45d5b45c3f38ec82e2180fd7baaa39cce3fb8e (patch) | |
tree | cc184b27545f0057375ba4796d89d426dbbbb996 /sys/pc98 | |
parent | c2533a5a87888e415e5a218e11fec455c1d47b25 (diff) | |
download | FreeBSD-src-4c45d5b45c3f38ec82e2180fd7baaa39cce3fb8e.zip FreeBSD-src-4c45d5b45c3f38ec82e2180fd7baaa39cce3fb8e.tar.gz |
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.
Diffstat (limited to 'sys/pc98')
-rw-r--r-- | sys/pc98/cbus/clock.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/sys/pc98/cbus/clock.c b/sys/pc98/cbus/clock.c index 6e1242f..ad613e4 100644 --- a/sys/pc98/cbus/clock.c +++ b/sys/pc98/cbus/clock.c @@ -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_timecounter = { 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); } |