Merge pull request #12517 from miri64/native/enh/reset-command

native: allow for native to be resetable via SIGUSR1

boards/native/Makefile.include

@@ -11,6 +11,7 @@ else
   DEBUGGER ?= gdb
 endif
 
+RESET ?= $(RIOTBOARD)/$(BOARD)/dist/reset.sh
 FLASHER = true
 FLASHFILE ?= $(ELFFILE)
 

boards/native/dist/reset.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# Copyright (C) 2019 Freie Universität Berlin
+#
+# 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.
+
+case ${DEBUG_ADAPTER_ID} in
+    # check if ${DEBUG_ADAPTER_ID} is empty or contains a number
+    ''|*[!0-9]*)
+        echo "Please provide native instance's PID using DEBUG_ADAPTER_ID" >&2
+        exit 1
+        ;;
+    *)  ;;
+esac
+
+kill -USR1 "${DEBUG_ADAPTER_ID}"

cpu/native/startup.c

@@ -44,6 +44,7 @@
 #include "tty_uart.h"
 
 #include "periph/init.h"
+#include "periph/pm.h"
 
 #define ENABLE_DEBUG (0)
 #include "debug.h"
@@ -390,6 +391,11 @@ extern init_func_t __init_array_start;
 extern init_func_t __init_array_end;
 #endif
 
+static void _reset_handler(void)
+{
+    pm_reboot();
+}
+
 __attribute__((constructor)) static void startup(int argc, char **argv, char **envp)
 {
     _native_init_syscalls();
@@ -577,6 +583,8 @@ __attribute__((constructor)) static void startup(int argc, char **argv, char **e
     periph_init();
     board_init();
 
+    register_interrupt(SIGUSR1, _reset_handler);
+
     puts("RIOT native hardware initialization complete.\n");
     irq_enable();
     kernel_init();