diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-06-25 13:37:40 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-06-25 13:55:32 +0200 |
commit | 0b268b8bdb6c14bc6020b6f0450446fdafc4ae06 (patch) | |
tree | 3946c52f7e27784956e020c2b75e872b1e62bea8 /cpukit/score/src/isrisinprogress.c | |
parent | score: Move SMP CPU_USE_DEFERRED_FP_SWITCH check (diff) | |
download | rtems-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.c | 51 |
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 |