diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/timer/hpet.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/dev/timer/hpet.c b/sys/dev/timer/hpet.c index d276456..ab30f63 100644 --- a/sys/dev/timer/hpet.c +++ b/sys/dev/timer/hpet.c @@ -95,8 +95,8 @@ hpet_write(uint32_t reg, uint64_t val) mmio_write64(addr, val); } -int -hpet_msleep(size_t ms) +static int +hpet_sleep(uint64_t n, uint64_t units) { uint64_t caps; uint32_t period; @@ -112,7 +112,7 @@ hpet_msleep(size_t ms) period = CAP_CLK_PERIOD(caps); counter_val = hpet_read(HPET_REG_MAIN_COUNTER); - ticks = counter_val + (ms * (1000000000000 / period)); + ticks = counter_val + (n * (units / period)); while (hpet_read(HPET_REG_MAIN_COUNTER) < ticks) { spinwait_hint(); @@ -122,6 +122,12 @@ hpet_msleep(size_t ms) } int +hpet_msleep(size_t ms) +{ + return hpet_sleep(ms, 1000000000000); +} + +int hpet_init(void) { struct acpi_gas *gas; |