diff --git a/libveriuser/Makefile.in b/libveriuser/Makefile.in
index a0dceaf55..d08ecb443 100644
--- a/libveriuser/Makefile.in
+++ b/libveriuser/Makefile.in
@@ -16,7 +16,7 @@
 #    59 Temple Place - Suite 330
 #    Boston, MA 02111-1307, USA
 #
-#ident "$Id: Makefile.in,v 1.7 2002/05/30 02:37:26 steve Exp $"
+#ident "$Id: Makefile.in,v 1.8 2002/05/31 18:25:51 steve Exp $"
 #
 #
 SHELL = /bin/sh
@@ -45,7 +45,7 @@ LDFLAGS = @LDFLAGS@
 STRIP = @STRIP@
 
 A = a_close.o a_initialize.o a_product_version.o
-O = finish.o io_print.o mc_scan_plusargs.o nump.o \
+O = finish.o getsimtime.o io_print.o mc_scan_plusargs.o nump.o \
 veriusertfs.o $A
 
 all: libveriuser.a
diff --git a/libveriuser/getsimtime.c b/libveriuser/getsimtime.c
new file mode 100644
index 000000000..b6479b601
--- /dev/null
+++ b/libveriuser/getsimtime.c
@@ -0,0 +1,45 @@
+/* vi:sw=6
+ * Copyright (c) 2002 Michael Ruff (mruff at chiaro.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 of the License, or (at your option)
+ *    any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#if !defined(WINNT)
+#ident "$Id: getsimtime.c,v 1.1 2002/05/31 18:25:51 steve Exp $"
+#endif
+
+#include  <vpi_user.h>
+
+/*
+ * tf_getlongtime implemented using VPI interface
+ */
+int tf_getlongtime(int *hightime)
+{
+      s_vpi_time time;
+      vpi_get_time (0 /* NULL */, &time);
+      *hightime = time.high;
+      return time.low;
+}
+
+/* Alias for commercial simulators */
+int tf_getlongsimtime(int *hightime) \
+      __attribute__ ((weak, alias ("tf_getlongtime")));
+
+/*
+ * $Log: getsimtime.c,v $
+ * Revision 1.1  2002/05/31 18:25:51  steve
+ *  Add tf_getlongtime (mruff)
+ *
+ */
diff --git a/veriuser.h b/veriuser.h
index 8c01245f6..d922444ea 100644
--- a/veriuser.h
+++ b/veriuser.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT) && !defined(macintosh)
-#ident "$Id: veriuser.h,v 1.8 2002/05/31 04:26:44 steve Exp $"
+#ident "$Id: veriuser.h,v 1.9 2002/05/31 18:25:51 steve Exp $"
 #endif
 
 /*
@@ -89,6 +89,8 @@ extern int tf_dostop(void);
 extern void tf_error(const char*, ...)
       __attribute__((format (printf,1,2)));
 
+extern int tf_getlongtime(int*high_bits);
+
 extern int tf_nump(void);
 
 extern void tf_warning(const char*, ...)
@@ -98,6 +100,9 @@ EXTERN_C_END
 
 /*
  * $Log: veriuser.h,v $
+ * Revision 1.9  2002/05/31 18:25:51  steve
+ *  Add tf_getlongtime (mruff)
+ *
  * Revision 1.8  2002/05/31 04:26:44  steve
  *  Call padding reserved.
  *