Initial source

1 files changed, 74 insertions, 0 deletions

diff --git a/kern/time_stamp.c b/kern/time_stamp.c
new file mode 100644
index 0000000..6e22155
--- /dev/null
+++ b/kern/time_stamp.c
@@ -0,0 +1,74 @@
+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#include <mach/std_types.h>
+#include <sys/time.h>
+#include <kern/time_stamp.h>
+
+/*
+ *	ts.c - kern_timestamp system call.
+ */
+#ifdef	multimax
+#include <mmax/timer.h>
+#endif	multimax
+
+
+
+kern_return_t
+kern_timestamp(tsp)
+struct	tsval	*tsp;
+{
+#ifdef	multimax
+	struct	tsval	temp;
+	temp.low_val = FRcounter;
+	temp.high_val = 0;
+#else	multimax
+/*
+	temp.low_val = 0;
+	temp.high_val = ts_tick_count;
+*/
+	time_value_t temp;
+	temp = time;
+#endif	multimax
+
+	if (copyout((char *)&temp,
+		    (char *)tsp,
+		    sizeof(struct tsval)) != KERN_SUCCESS)
+	    return(KERN_INVALID_ADDRESS);
+	return(KERN_SUCCESS);
+}
+
+/*
+ *	Initialization procedure.
+ */
+
+void timestamp_init()
+{
+#ifdef	multimax
+#else	multimax
+	ts_tick_count = 0;
+#endif	multimax
+}