commit eade0f192eef92f6c43ab036407cff46148be842
author bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Mon May 01 12:43:29 2006 +0000
committer bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Mon May 01 12:43:29 2006 +0000
tree fd503550d46d0a966cb0ad9f55e5de8d368d7f09
parent 07de1eaa9d48a70950af271b68f49fd2970ecfd5

fix for hosts resuming from software suspend (initial patch by John Coiner)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1884 c046a42c-6fe2-441c-8c8c-71466251a162

vl.c

diff --git a/vl.c b/vl.c
index 26d3cce..8984c48 100644
--- a/vl.c
+++ b/vl.c
@@ -558,6 +558,7 @@
 #error unsupported CPU
 #endif
 
+static int64_t cpu_ticks_prev;
 static int64_t cpu_ticks_offset;
 static int cpu_ticks_enabled;
 
@@ -566,7 +567,15 @@
     if (!cpu_ticks_enabled) {
         return cpu_ticks_offset;
     } else {
-        return cpu_get_real_ticks() + cpu_ticks_offset;
+        int64_t ticks;
+        ticks = cpu_get_real_ticks();
+        if (cpu_ticks_prev > ticks) {
+            /* Note: non increasing ticks may happen if the host uses
+               software suspend */
+            cpu_ticks_offset += cpu_ticks_prev - ticks;
+        }
+        cpu_ticks_prev = ticks;
+        return ticks + cpu_ticks_offset;
     }
 }