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authorSebastian Huber <sebastian.huber@embedded-brains.de>2015-06-25 13:37:40 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2015-06-25 13:55:32 +0200
commit0b268b8bdb6c14bc6020b6f0450446fdafc4ae06 (patch)
tree3946c52f7e27784956e020c2b75e872b1e62bea8 /cpukit/score/src/isrisinprogress.c
parentscore: Move SMP CPU_USE_DEFERRED_FP_SWITCH check (diff)
downloadrtems-0b268b8bdb6c14bc6020b6f0450446fdafc4ae06.tar.bz2
score: Move default _ISR_Is_in_progress()
Diffstat (limited to 'cpukit/score/src/isrisinprogress.c')
-rw-r--r--cpukit/score/src/isrisinprogress.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/cpukit/score/src/isrisinprogress.c b/cpukit/score/src/isrisinprogress.c
new file mode 100644
index 0000000000..7607cfe436
--- /dev/null
+++ b/cpukit/score/src/isrisinprogress.c
@@ -0,0 +1,51 @@
+/**
+ * @file
+ *
+ * @ingroup ScoreISR
+ *
+ * @brief ISR Is In Progress Default Implementation
+ */
+
+/*
+ * Copyright (c) 2013-2015 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 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.org/license/LICENSE.
+ */
+
+#if HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <rtems/score/isr.h>
+#include <rtems/score/percpu.h>
+
+#if CPU_PROVIDES_ISR_IS_IN_PROGRESS == FALSE
+
+bool _ISR_Is_in_progress( void )
+{
+ uint32_t isr_nest_level;
+
+ #if defined( RTEMS_SMP )
+ ISR_Level level;
+
+ _ISR_Disable_without_giant( level );
+ #endif
+
+ isr_nest_level = _ISR_Nest_level;
+
+ #if defined( RTEMS_SMP )
+ _ISR_Enable_without_giant( level );
+ #endif
+
+ return isr_nest_level != 0;
+}
+
+#endif