diff --git a/sys/boot/efi/libefi/time.c b/sys/boot/efi/libefi/time.c
index b73c8ccf2c90..99831e1cf1a8 100644
--- a/sys/boot/efi/libefi/time.c
+++ b/sys/boot/efi/libefi/time.c
@@ -228,7 +228,7 @@ time(time_t *tloc)
 }
 
 time_t
-getsecs()
+getsecs(void)
 {
     return time(0);
 }
diff --git a/sys/boot/efi/libefi/time_event.c b/sys/boot/efi/libefi/time_event.c
index 370a73c0edea..f96f1d845f6a 100644
--- a/sys/boot/efi/libefi/time_event.c
+++ b/sys/boot/efi/libefi/time_event.c
@@ -76,7 +76,7 @@ time(time_t *tloc)
 }
 
 time_t
-getsecs()
+getsecs(void)
 {
     return time(0);
 }
diff --git a/sys/boot/i386/libi386/pxe.c b/sys/boot/i386/libi386/pxe.c
index 28046f3ba1d1..f947ef6ddbe2 100644
--- a/sys/boot/i386/libi386/pxe.c
+++ b/sys/boot/i386/libi386/pxe.c
@@ -586,7 +586,7 @@ bangpxe_call(int func)
 
 
 time_t
-getsecs()
+getsecs(void)
 {
 	time_t n = 0;
 	time(&n);
diff --git a/sys/boot/ofw/libofw/ofw_time.c b/sys/boot/ofw/libofw/ofw_time.c
index f53997dc059f..d5ca271564de 100644
--- a/sys/boot/ofw/libofw/ofw_time.c
+++ b/sys/boot/ofw/libofw/ofw_time.c
@@ -41,8 +41,8 @@ time(time_t *tloc)
 	return secs;
 }
 
-int
-getsecs()
+time_t
+getsecs(void)
 {
 	time_t	n = 0;
 	time(&n);
diff --git a/sys/boot/powerpc/kboot/main.c b/sys/boot/powerpc/kboot/main.c
index ec5ba6b651a2..50f63b11699b 100644
--- a/sys/boot/powerpc/kboot/main.c
+++ b/sys/boot/powerpc/kboot/main.c
@@ -151,8 +151,8 @@ delay(int usecs)
 	} while (t < ti + usecs);
 }
 
-int
-getsecs()
+time_t
+getsecs(void)
 {
 	struct host_timeval tv;
 	host_gettimeofday(&tv, NULL);
diff --git a/sys/boot/powerpc/ps3/main.c b/sys/boot/powerpc/ps3/main.c
index bb1fd84c4b70..bcfd7c9ef9ae 100644
--- a/sys/boot/powerpc/ps3/main.c
+++ b/sys/boot/powerpc/ps3/main.c
@@ -179,10 +179,10 @@ delay(int usecs)
 		tb = mftb();
 }
 
-int
-getsecs()
+time_t
+getsecs(void)
 {
-	return ((mftb() - basetb)*ns_per_tick/1000000000);
+	return ((time_t)((mftb() - basetb)*ns_per_tick/1000000000));
 }
 
 time_t
diff --git a/sys/boot/uboot/lib/time.c b/sys/boot/uboot/lib/time.c
index 9083675b75d7..a3c73f471a25 100644
--- a/sys/boot/uboot/lib/time.c
+++ b/sys/boot/uboot/lib/time.c
@@ -47,7 +47,7 @@ time(time_t *tloc)
 	return (secs);
 }
 
-int
+time_t
 getsecs(void)
 {