[rtems commit] bsp/tms570: Add bsp_restart()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    2110125f7c4cb281f370d6a18eeb9c509f872546
Changeset: http://git.rtems.org/rtems/commit/?id=2110125f7c4cb281f370d6a18eeb9c509f872546

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Dec 21 15:16:47 2023 +0100

bsp/tms570: Add bsp_restart()

Update #4982.

---

 bsps/arm/tms570/include/bsp.h      |  2 ++
 bsps/arm/tms570/start/bsprestart.c | 42 ++++++++++++++++++++++++++++++++++++++
 spec/build/bsps/arm/tms570/obj.yml |  1 +
 3 files changed, 45 insertions(+)

diff --git a/bsps/arm/tms570/include/bsp.h b/bsps/arm/tms570/include/bsp.h
index adb0a2769a..9d26309e07 100644
--- a/bsps/arm/tms570/include/bsp.h
+++ b/bsps/arm/tms570/include/bsp.h
@@ -69,6 +69,8 @@
 #define BSP_PLL_OUT_CLOCK 160000000
 #endif
 
+RTEMS_NO_RETURN void bsp_restart(const void *addr);
+
 #endif /* ASM */
 
 /* @} */
diff --git a/bsps/arm/tms570/start/bsprestart.c b/bsps/arm/tms570/start/bsprestart.c
new file mode 100644
index 0000000000..c989d8fc77
--- /dev/null
+++ b/bsps/arm/tms570/start/bsprestart.c
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (c) 2017 embedded brains GmbH & Co. KG
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+
+void bsp_restart( const void *addr )
+{
+  rtems_interrupt_level level;
+  void(*start)(void) = (void(*)(void))(addr);
+
+  rtems_interrupt_disable(level);
+  (void)level;
+  rtems_cache_disable_instruction();
+  rtems_cache_disable_data();
+
+  start();
+  RTEMS_UNREACHABLE();
+}
diff --git a/spec/build/bsps/arm/tms570/obj.yml b/spec/build/bsps/arm/tms570/obj.yml
index 35a2b9ce6a..46e4eea116 100644
--- a/spec/build/bsps/arm/tms570/obj.yml
+++ b/spec/build/bsps/arm/tms570/obj.yml
@@ -80,6 +80,7 @@ source:
 - bsps/arm/tms570/cpucounter/cpucounterread.c
 - bsps/arm/tms570/irq/irq.c
 - bsps/arm/tms570/start/bspreset.c
+- bsps/arm/tms570/start/bsprestart.c
 - bsps/arm/tms570/start/bspstart.c
 - bsps/arm/tms570/start/pinmux.c
 - bsps/arm/tms570/start/tms570-pom.c