diff options
Diffstat (limited to 'sys/amd64/isa')
| -rw-r--r-- | sys/amd64/isa/clock.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sys/amd64/isa/clock.c b/sys/amd64/isa/clock.c index adc1743..bf379f3 100644 --- a/sys/amd64/isa/clock.c +++ b/sys/amd64/isa/clock.c @@ -91,7 +91,7 @@ static u_int32_t i8254_offset; static int (*i8254_pending)(struct intsrc *); static int i8254_ticked; static int using_atrtc_timer; -static int using_lapic_timer; +static enum lapic_clock using_lapic_timer = LAPIC_CLOCK_NONE; /* Values for timerX_state: */ #define RELEASED 0 @@ -160,7 +160,8 @@ clkintr(struct trapframe *frame) clkintr_pending = 0; mtx_unlock_spin(&clock_lock); } - KASSERT(!using_lapic_timer, ("clk interrupt enabled with lapic timer")); + KASSERT(using_lapic_timer == LAPIC_CLOCK_NONE, + ("clk interrupt enabled with lapic timer")); if (using_atrtc_timer) { #ifdef SMP @@ -422,7 +423,7 @@ set_i8254_freq(u_int freq, int intr_freq) i8254_timecounter.tc_frequency = freq; mtx_lock_spin(&clock_lock); i8254_freq = freq; - if (using_lapic_timer) + if (using_lapic_timer != LAPIC_CLOCK_NONE) new_i8254_real_max_count = 0x10000; else new_i8254_real_max_count = TIMER_DIV(intr_freq); @@ -485,7 +486,7 @@ cpu_initclocks() * that it can drive hardclock(). Otherwise, change the 8254 * timecounter to user a simpler algorithm. */ - if (!using_lapic_timer) { + if (using_lapic_timer == LAPIC_CLOCK_NONE) { intr_add_handler("clk", 0, (driver_filter_t *)clkintr, NULL, NULL, INTR_TYPE_CLK, NULL); i8254_intsrc = intr_lookup_source(0); @@ -508,7 +509,7 @@ cpu_initclocks() * kernel clocks, then setup the RTC to periodically interrupt to * drive statclock() and profclock(). */ - if (!using_lapic_timer) { + if (using_lapic_timer != LAPIC_CLOCK_ALL) { using_atrtc_timer = atrtc_setup_clock(); if (using_atrtc_timer) { /* Enable periodic interrupts from the RTC. */ @@ -532,7 +533,7 @@ void cpu_startprofclock(void) { - if (using_lapic_timer || !using_atrtc_timer) + if (using_lapic_timer == LAPIC_CLOCK_ALL || !using_atrtc_timer) return; atrtc_rate(RTCSA_PROF); psdiv = pscnt = psratio; @@ -542,7 +543,7 @@ void cpu_stopprofclock(void) { - if (using_lapic_timer || !using_atrtc_timer) + if (using_lapic_timer == LAPIC_CLOCK_ALL || !using_atrtc_timer) return; atrtc_rate(RTCSA_NOPROF); psdiv = pscnt = 1; |
