From 1154e441aa19ce3bf15fb0cabab2a5656321b43f Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 2 Apr 2004 20:58:56 +0000
Subject: avoid rounding problems

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@696 c046a42c-6fe2-441c-8c8c-71466251a162
---
 hw/i8254.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'hw/i8254.c')

diff --git a/hw/i8254.c b/hw/i8254.c
index 20cca0ef83..ad61a14af2 100644
--- a/hw/i8254.c
+++ b/hw/i8254.c
@@ -136,6 +136,10 @@ static int64_t pit_get_next_transition_time(PITChannelState *s,
     }
     /* convert to timer units */
     next_time = s->count_load_time + muldiv64(next_time, ticks_per_sec, PIT_FREQ);
+    /* fix potential rounding problems */
+    /* XXX: better solution: use a clock at PIT_FREQ Hz */
+    if (next_time <= current_time)
+        next_time = current_time + 1;
     return next_time;
 }
 
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