diff --git a/stand/common/bootstrap.h b/stand/common/bootstrap.h
--- a/stand/common/bootstrap.h
+++ b/stand/common/bootstrap.h
@@ -415,6 +415,7 @@
 /* common code to set currdev variable. */
 int gen_setcurrdev(struct env_var *ev, int flags, const void *value);
 int mount_currdev(struct env_var *, int, const void *);
+void set_currdev(const char *devname);
 
 #ifndef CTASSERT
 #define	CTASSERT(x)	_Static_assert(x, "compile-time assertion failed")
diff --git a/stand/common/misc.c b/stand/common/misc.c
--- a/stand/common/misc.c
+++ b/stand/common/misc.c
@@ -206,3 +206,20 @@
 
 	return (mount_currdev(ev, flags, value));
 }
+
+/*
+ * Wrapper to set currdev and loaddev at the same time.
+ */
+void
+set_currdev(const char *devname)
+{
+
+	env_setenv("currdev", EV_VOLATILE, devname, gen_setcurrdev,
+	    env_nounset);
+	/*
+	 * Don't execute hook here; the loaddev hook makes it immutable
+	 * once we've determined what the proper currdev is.
+	 */
+	env_setenv("loaddev", EV_VOLATILE | EV_NOHOOK, devname, env_noset,
+	    env_nounset);
+}
diff --git a/stand/efi/loader/main.c b/stand/efi/loader/main.c
--- a/stand/efi/loader/main.c
+++ b/stand/efi/loader/main.c
@@ -185,20 +185,6 @@
 	return retval;
 }
 
-static void
-set_currdev(const char *devname)
-{
-
-	env_setenv("currdev", EV_VOLATILE, devname, gen_setcurrdev,
-	    env_nounset);
-	/*
-	 * Don't execute hook here; the loaddev hook makes it immutable
-	 * once we've determined what the proper currdev is.
-	 */
-	env_setenv("loaddev", EV_VOLATILE | EV_NOHOOK, devname, env_noset,
-	    env_nounset);
-}
-
 static void
 set_currdev_devdesc(struct devdesc *currdev)
 {
diff --git a/stand/i386/loader/main.c b/stand/i386/loader/main.c
--- a/stand/i386/loader/main.c
+++ b/stand/i386/loader/main.c
@@ -383,10 +383,7 @@
 		init_zfs_boot_options(devformat(&new_currdev.dd));
 #endif
 
-	env_setenv("currdev", EV_VOLATILE, devformat(&new_currdev.dd),
-	    gen_setcurrdev, env_nounset);
-	env_setenv("loaddev", EV_VOLATILE, devformat(&new_currdev.dd),
-	    env_noset, env_nounset);
+	set_currdev(devformat(&new_currdev.dd));
 }
 
 COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
diff --git a/stand/userboot/userboot/main.c b/stand/userboot/userboot/main.c
--- a/stand/userboot/userboot/main.c
+++ b/stand/userboot/userboot/main.c
@@ -224,16 +224,6 @@
 	exit(0);
 }
 
-static void
-set_currdev(const char *devname)
-{
-
-	env_setenv("currdev", EV_VOLATILE, devname,
-	    gen_setcurrdev, env_nounset);
-	env_setenv("loaddev", EV_VOLATILE, devname,
-	    env_noset, env_nounset);
-}
-
 /*
  * Set the 'current device' by (if possible) recovering the boot device as 
  * supplied by the initial bootstrap.