[ab02824] | 1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
---|
| 2 | |
---|
[0b268b8b] | 3 | /** |
---|
| 4 | * @file |
---|
| 5 | * |
---|
[4c20da4b] | 6 | * @ingroup RTEMSScoreISR |
---|
[0b268b8b] | 7 | * |
---|
[9278f3d] | 8 | * @brief This source file contains the default implementation of |
---|
| 9 | * _ISR_Is_in_progress(). |
---|
[0b268b8b] | 10 | */ |
---|
| 11 | |
---|
| 12 | /* |
---|
| 13 | * Copyright (c) 2013-2015 embedded brains GmbH. All rights reserved. |
---|
| 14 | * |
---|
[ab02824] | 15 | * Redistribution and use in source and binary forms, with or without |
---|
| 16 | * modification, are permitted provided that the following conditions |
---|
| 17 | * are met: |
---|
| 18 | * 1. Redistributions of source code must retain the above copyright |
---|
| 19 | * notice, this list of conditions and the following disclaimer. |
---|
| 20 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
| 21 | * notice, this list of conditions and the following disclaimer in the |
---|
| 22 | * documentation and/or other materials provided with the distribution. |
---|
| 23 | * |
---|
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
---|
| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
---|
| 28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
---|
| 29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
---|
| 30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
---|
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
---|
| 32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
---|
| 33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
---|
| 34 | * POSSIBILITY OF SUCH DAMAGE. |
---|
[0b268b8b] | 35 | */ |
---|
| 36 | |
---|
[80cf60e] | 37 | #ifdef HAVE_CONFIG_H |
---|
| 38 | #include "config.h" |
---|
[0b268b8b] | 39 | #endif |
---|
| 40 | |
---|
| 41 | #include <rtems/score/isr.h> |
---|
| 42 | #include <rtems/score/percpu.h> |
---|
| 43 | |
---|
| 44 | #if CPU_PROVIDES_ISR_IS_IN_PROGRESS == FALSE |
---|
| 45 | |
---|
| 46 | bool _ISR_Is_in_progress( void ) |
---|
| 47 | { |
---|
| 48 | uint32_t isr_nest_level; |
---|
| 49 | |
---|
| 50 | #if defined( RTEMS_SMP ) |
---|
| 51 | ISR_Level level; |
---|
| 52 | |
---|
[4b04cb61] | 53 | _ISR_Local_disable( level ); |
---|
[0b268b8b] | 54 | #endif |
---|
| 55 | |
---|
| 56 | isr_nest_level = _ISR_Nest_level; |
---|
| 57 | |
---|
| 58 | #if defined( RTEMS_SMP ) |
---|
[4b04cb61] | 59 | _ISR_Local_enable( level ); |
---|
[0b268b8b] | 60 | #endif |
---|
| 61 | |
---|
| 62 | return isr_nest_level != 0; |
---|
| 63 | } |
---|
| 64 | |
---|
| 65 | #endif |
---|