native: support add periph/pm support

cpu/native/Makefile.features

+FEATURES_PROVIDED += periph_pm

cpu/native/irq_cpu.c

@@ -37,6 +37,7 @@
 
 #include "irq.h"
 #include "cpu.h"
+#include "periph/pm.h"
 
 #include "native_internal.h"
 
@@ -446,7 +447,7 @@ static void native_shutdown(int sig, siginfo_t *info, void *context)
     (void)info;
     (void)context;
 
-    // TODO: poweroff
+    pm_off();
 }
 
 /**

cpu/native/reboot.c → cpu/native/periph/pm.c

 /*
  * Copyright (C) 2016 Kaspar Schleiser <kaspar@schleiser.de>
  *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License v2.1. See the file LICENSE in the top level directory for
+ * more details.
  */
 
 /**
- * @ingroup native_cpu
+ * @ingroup     native_cpu
  * @{
+ *
  * @file
- * @brief       native reboot() implementation
+ * @brief       native Power Management implementation
+ *
  * @author      Kaspar Schleiser <kaspar@schleiser.de>
- * @}
  */
 
 #include <err.h>
+#include <stdio.h>
 #include <stdlib.h>
 
+#include "periph/pm.h"
 #include "native_internal.h"
 #include "netdev2_tap.h"
 #include "tty_uart.h"
 
-void reboot(void)
+#define ENABLE_DEBUG (0)
+#include "debug.h"
+
+void pm_set_lowest(void)
+{
+    _native_in_syscall++; // no switching here
+    real_pause();
+    _native_in_syscall--;
+
+    if (_native_sigpend > 0) {
+        _native_in_syscall++;
+        _native_syscall_leave();
+    }
+}
+
+void pm_off(void)
+{
+    puts("\nnative: exiting");
+    real_exit(EXIT_SUCCESS);
+}
+
+void pm_reboot(void)
 {
     printf("\n\n\t\t!! REBOOT !!\n\n");