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author | mav <mav@FreeBSD.org> | 2013-02-28 13:46:03 +0000 |
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committer | mav <mav@FreeBSD.org> | 2013-02-28 13:46:03 +0000 |
commit | 6cf7cc6e4d8da1cf9aba1c481b914e4ca5e9f38f (patch) | |
tree | c8556591f85961643a9b4ddfaaa7c1008bb03d81 /sys/i386 | |
parent | 240074414d4919ebd889f27087c72783a7ed9b19 (diff) | |
download | FreeBSD-src-6cf7cc6e4d8da1cf9aba1c481b914e4ca5e9f38f.zip FreeBSD-src-6cf7cc6e4d8da1cf9aba1c481b914e4ca5e9f38f.tar.gz |
MFcalloutng:
Switch eventtimers(9) from using struct bintime to sbintime_t.
Even before this not a single driver really supported full dynamic range of
struct bintime even in theory, not speaking about practical inexpediency.
This change legitimates the status quo and cleans up the code.
Diffstat (limited to 'sys/i386')
-rw-r--r-- | sys/i386/xen/clock.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/sys/i386/xen/clock.c b/sys/i386/xen/clock.c index 4e43a12..a10b546 100644 --- a/sys/i386/xen/clock.c +++ b/sys/i386/xen/clock.c @@ -768,8 +768,7 @@ resettodr() #endif static int -xen_et_start(struct eventtimer *et, - struct bintime *first, struct bintime *period) +xen_et_start(struct eventtimer *et, sbintime_t first, sbintime_t period) { struct xen_et_state *state = DPCPU_PTR(et_state); struct shadow_time_info *shadow; @@ -777,21 +776,16 @@ xen_et_start(struct eventtimer *et, __get_time_values_from_xen(); - if (period != NULL) { + if (period != 0) { state->mode = MODE_PERIODIC; - state->period = (1000000000LL * - (uint32_t)(period->frac >> 32)) >> 32; - if (period->sec != 0) - state->period += 1000000000LL * period->sec; + state->period = (1000000000LLU * period) >> 32; } else { state->mode = MODE_ONESHOT; state->period = 0; } - if (first != NULL) { - fperiod = (1000000000LL * (uint32_t)(first->frac >> 32)) >> 32; - if (first->sec != 0) - fperiod += 1000000000LL * first->sec; - } else + if (first != 0) + fperiod = (1000000000LLU * first) >> 32; + else fperiod = state->period; shadow = &per_cpu(shadow_time, smp_processor_id()); @@ -832,11 +826,9 @@ cpu_initclocks(void) xen_et.et_flags = ET_FLAGS_PERIODIC | ET_FLAGS_ONESHOT | ET_FLAGS_PERCPU; xen_et.et_quality = 600; - xen_et.et_frequency = 0; - xen_et.et_min_period.sec = 0; - xen_et.et_min_period.frac = 0x00400000LL << 32; - xen_et.et_max_period.sec = 2; - xen_et.et_max_period.frac = 0; + xen_et.et_frequency = 1000000000; + xen_et.et_min_period = 0x00400000LL; + xen_et.et_max_period = (0xfffffffeLLU << 32) / xen_et.et_frequency; xen_et.et_start = xen_et_start; xen_et.et_stop = xen_et_stop; xen_et.et_priv = NULL; |