X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=kitten%2Fkernel%2Flinux_syscalls%2Fgettimeofday.c;fp=kitten%2Fkernel%2Flinux_syscalls%2Fgettimeofday.c;h=064c00388b02fb5eb1287bf9bbbcd0ef9627b2c9;hb=66a1a4c7a9edcd7d8bc207aca093d694a6e6b5b2;hp=0000000000000000000000000000000000000000;hpb=f7cf9c19ecb0a589dd45ae0d2c91814bd3c2acc2;p=palacios.git

diff --git a/kitten/kernel/linux_syscalls/gettimeofday.c b/kitten/kernel/linux_syscalls/gettimeofday.c
new file mode 100644
index 0000000..064c003
--- /dev/null
+++ b/kitten/kernel/linux_syscalls/gettimeofday.c
@@ -0,0 +1,34 @@
+#include <lwk/kernel.h>
+#include <lwk/time.h>
+#include <arch/uaccess.h>
+
+int
+sys_gettimeofday(
+	struct timeval  __user * tv,
+	struct timezone __user * tz
+)
+{
+	struct timeval  _tv;
+	struct timezone _tz;
+
+	if (tv != NULL) {
+		uint64_t now = get_time(); /* nanoseconds */
+
+		_tv.tv_sec  = now / NSEC_PER_SEC;
+		_tv.tv_usec = (now % NSEC_PER_SEC) / USEC_PER_NSEC;
+
+		if (copy_to_user(tv, &_tv, sizeof(_tv)))
+			return -EFAULT;
+	}
+
+	if (tz != NULL) {
+		_tz.tz_minuteswest = 0;
+		_tz.tz_dsttime     = 0;
+
+		if (copy_to_user(tz, &_tz, sizeof(_tz)))
+			return -EFAULT;
+	}
+	
+	return 0;
+}
+