Merge branch 'lukeshu/cover'

1 files changed, 29 insertions, 0 deletions

diff --git a/libhw_cr/host_util.c b/libhw_cr/host_util.c
index 7b3200c..8cacd57 100644
--- a/libhw_cr/host_util.c
+++ b/libhw_cr/host_util.c
@@ -7,6 +7,8 @@
 #include <error.h>  /* for error(3gnu) */
 #include <signal.h> /* for SIGRTMIN, SIGRTMAX */
 
+#include <libhw/generic/alarmclock.h> /* for {X}S_PER_S */
+
 #include "host_util.h"
 
 int host_sigrt_alloc(void) {
@@ -19,3 +21,30 @@ int host_sigrt_alloc(void) {
 		error(1, 0, "SIGRTMAX exceeded");
 	return ret;
 }
+
+host_us_time_t ns_to_host_us_time(uint64_t time_ns) {
+	host_us_time_t ret;
+	ret.tv_sec = time_ns
+		/NS_PER_S;
+	ret.tv_usec = (time_ns - ((uint64_t)ret.tv_sec)*NS_PER_S)
+		/(NS_PER_S/US_PER_S);
+	return ret;
+}
+
+host_ns_time_t ns_to_host_ns_time(uint64_t time_ns) {
+	host_ns_time_t ret;
+	ret.tv_sec = time_ns
+		/NS_PER_S;
+	ret.tv_nsec = time_ns - ((uint64_t)ret.tv_sec)*NS_PER_S;
+	return ret;
+}
+
+uint64_t ns_from_host_us_time(host_us_time_t host_time) {
+	return (((uint64_t)host_time.tv_sec) * NS_PER_S) +
+		((uint64_t)host_time.tv_usec * (NS_PER_S/US_PER_S));
+}
+
+uint64_t ns_from_host_ns_time(host_ns_time_t host_time) {
+	return (((uint64_t)host_time.tv_sec) * NS_PER_S) +
+		((uint64_t)host_time.tv_nsec);
+}