From c446d7c79ad9a00bd810ee0834d26815ca62caa9 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 21 Feb 2011 12:56:34 +0000
Subject: [PATCH] 2011-02-21	Sebastian Huber
 <sebastian.huber@embedded-brains.de>

	* misc/restart.c: New file.
	* Makefile.am: Reflect change from above.
	* include/bsp.h: Declare bsp_restart().
---
 c/src/lib/libbsp/arm/lpc24xx/ChangeLog      |  6 +++
 c/src/lib/libbsp/arm/lpc24xx/Makefile.am    |  1 +
 c/src/lib/libbsp/arm/lpc24xx/include/bsp.h  |  2 +
 c/src/lib/libbsp/arm/lpc24xx/misc/restart.c | 43 +++++++++++++++++++++
 4 files changed, 52 insertions(+)
 create mode 100644 c/src/lib/libbsp/arm/lpc24xx/misc/restart.c

diff --git a/c/src/lib/libbsp/arm/lpc24xx/ChangeLog b/c/src/lib/libbsp/arm/lpc24xx/ChangeLog
index 9d9296fd14..61f2efe3fd 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/ChangeLog
+++ b/c/src/lib/libbsp/arm/lpc24xx/ChangeLog
@@ -1,3 +1,9 @@
+2011-02-21	Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* misc/restart.c: New file.
+	* Makefile.am: Reflect change from above.
+	* include/bsp.h: Declare bsp_restart().
+
 2011-02-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* startup/bspstarthooks.c:
diff --git a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
index cfaa62edf5..9d07194664 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
+++ b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
@@ -124,6 +124,7 @@ libbsp_a_SOURCES += misc/system-clocks.c \
 	misc/bspidle.c \
 	misc/io.c \
 	misc/lcd.c \
+	misc/restart.c \
 	misc/timer.c
 
 # SSP
diff --git a/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h b/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h
index a7f748496b..ca5e3b8411 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h
+++ b/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h
@@ -89,6 +89,8 @@ void *bsp_idle_thread(uintptr_t ignored);
 
 #define BSP_CONSOLE_UART_BASE 0xe000c000
 
+void bsp_restart(void *addr);
+
 /** @} */
 
 #endif /* ASM */
diff --git a/c/src/lib/libbsp/arm/lpc24xx/misc/restart.c b/c/src/lib/libbsp/arm/lpc24xx/misc/restart.c
new file mode 100644
index 0000000000..be7770bb31
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc24xx/misc/restart.c
@@ -0,0 +1,43 @@
+/**
+ * @file
+ *
+ * @ingroup lpc24xx
+ *
+ * @brief Restart implementation.
+ */
+
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#include <rtems.h>
+
+#include <bsp.h>
+
+void bsp_restart(void *addr)
+{
+  ARM_SWITCH_REGISTERS;
+  rtems_interrupt_level level;
+
+  rtems_interrupt_disable(level);
+
+  asm volatile (
+    ARM_SWITCH_TO_ARM
+    "mov pc, %[addr]\n"
+    ARM_SWITCH_BACK
+    : ARM_SWITCH_OUTPUT
+    : [addr] "r" (addr)
+  );
+}