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authorSebastian Huber <sebastian.huber@embedded-brains.de>2012-11-18 19:47:40 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2012-11-21 16:38:34 +0100
commitf4539aa3950cbc0cd15b13e3327e6c674ebbb9d3 (patch)
treeeb745956ab1bde19c5067701c6c812819dd03601 /cpukit/score/cpu/arm/armv7m-thread-idle.c
parentscore: Add RTEMS_FATAL_SOURCE_POWERPC_EXCEPTION (diff)
downloadrtems-f4539aa3950cbc0cd15b13e3327e6c674ebbb9d3.tar.bz2
arm: Add _CPU_Thread_Idle_body for ARMv7-M
Diffstat (limited to 'cpukit/score/cpu/arm/armv7m-thread-idle.c')
-rw-r--r--cpukit/score/cpu/arm/armv7m-thread-idle.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/cpukit/score/cpu/arm/armv7m-thread-idle.c b/cpukit/score/cpu/arm/armv7m-thread-idle.c
new file mode 100644
index 0000000000..cc9a05c94d
--- /dev/null
+++ b/cpukit/score/cpu/arm/armv7m-thread-idle.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2012 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <rtems/score/cpu.h>
+
+#ifdef ARM_MULTILIB_ARCH_V7M
+
+void *_CPU_Thread_Idle_body( uintptr_t ignored )
+{
+ while ( true ) {
+ __asm__ volatile ("wfi");
+ }
+}
+
+#endif /* ARM_MULTILIB_ARCH_V7M */