From e2a7bb4b156aff7c7bc1da111dd8bcc0931dede8 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Wed, 10 Mar 2010 11:38:49 +0100 Subject: [PATCH] add qemu_icount_round Signed-off-by: Paolo Bonzini Signed-off-by: Anthony Liguori --- vl.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/vl.c b/vl.c index 7938328564..a520b814d2 100644 --- a/vl.c +++ b/vl.c @@ -731,6 +731,11 @@ static void configure_icount(const char *option) qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); } +static int64_t qemu_icount_round(int64_t count) +{ + return (count + (1 << icount_time_shift) - 1) >> icount_time_shift; +} + static struct qemu_alarm_timer alarm_timers[] = { #ifndef _WIN32 #ifdef __linux__ @@ -3960,9 +3965,7 @@ static int qemu_cpu_exec(CPUState *env) qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); env->icount_decr.u16.low = 0; env->icount_extra = 0; - count = qemu_next_deadline(); - count = (count + (1 << icount_time_shift) - 1) - >> icount_time_shift; + count = qemu_icount_round (qemu_next_deadline()); qemu_icount += count; decr = (count > 0xffff) ? 0xffff : count; count -= decr; @@ -4072,9 +4075,7 @@ static int qemu_calculate_timeout(void) if (add > 10000000) add = 10000000; delta += add; - add = (add + (1 << icount_time_shift) - 1) - >> icount_time_shift; - qemu_icount += add; + qemu_icount += qemu_icount_round (add); timeout = delta / 1000000; if (timeout < 0) timeout = 0;