1 files changed, 104 insertions, 0 deletions
diff --git a/usr/src/compat/freebsd/sys/time.h b/usr/src/compat/freebsd/sys/time.h
new file mode 100644
index 0000000000..f8f9da5cdf
--- /dev/null
+++ b/usr/src/compat/freebsd/sys/time.h
@@ -0,0 +1,104 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2013 Pluribus Networks Inc.
+ */
+
+#ifndef _COMPAT_FREEBSD_SYS_TIME_H_
+#define	_COMPAT_FREEBSD_SYS_TIME_H_
+
+#include_next <sys/time.h>
+
+#define	tc_precexp	0
+
+struct bintime {
+	ulong_t		sec;		/* seconds */
+	uint64_t	frac;		/* 64 bit fraction of a second */
+};
+
+#define	BT2FREQ(bt)							\
+	(((uint64_t)0x8000000000000000 + ((bt)->frac >> 2)) /		\
+	    ((bt)->frac >> 1))
+
+#define	FREQ2BT(freq, bt)						\
+{									\
+	(bt)->sec = 0;							\
+	(bt)->frac = ((uint64_t)0x8000000000000000  / (freq)) << 1;	\
+}
+
+static __inline void
+binuptime(struct bintime *bt)
+{
+	hrtime_t	now = gethrtime();
+
+	bt->sec = now / 1000000000;
+	/* 18446744073 = int(2^64 / 1000000000) = 1ns in 64-bit fractions */
+	bt->frac = (now % 1000000000) * (uint64_t)18446744073LL;
+}
+
+#define	bintime_cmp(a, b, cmp)						\
+	(((a)->sec == (b)->sec) ?					\
+	    ((a)->frac cmp (b)->frac) :					\
+	    ((a)->sec cmp (b)->sec))
+
+#define	SBT_1US	(1000)
+
+static __inline void
+bintime_add(struct bintime *bt, const struct bintime *bt2)
+{
+	uint64_t u;
+
+	u = bt->frac;
+	bt->frac += bt2->frac;
+	if (u > bt->frac)
+		bt->sec++;
+	bt->sec += bt2->sec;
+}
+
+static __inline void
+bintime_sub(struct bintime *bt, const struct bintime *bt2)
+{
+	uint64_t u;
+
+	u = bt->frac;
+	bt->frac -= bt2->frac;
+	if (u < bt->frac)
+		bt->sec--;
+	bt->sec -= bt2->sec;
+}
+
+static __inline void
+bintime_mul(struct bintime *bt, u_int x)
+{
+	uint64_t p1, p2;
+
+	p1 = (bt->frac & 0xffffffffull) * x;
+	p2 = (bt->frac >> 32) * x + (p1 >> 32);
+	bt->sec *= x;
+	bt->sec += (p2 >> 32);
+	bt->frac = (p2 << 32) | (p1 & 0xffffffffull);
+}
+
+static __inline sbintime_t
+bttosbt(const struct bintime bt)
+{
+	return ((bt.sec * 1000000000) +
+	    (((uint64_t)1000000000 * (uint32_t)(bt.frac >> 32)) >> 32));
+}
+
+static __inline sbintime_t
+sbinuptime(void)
+{
+	return (gethrtime());
+}
+
+#endif	/* _COMPAT_FREEBSD_SYS_TIME_H_ */