RTEMS: cpukit/include/rtems/confdefs/wkspacesupport.h Source File

| RTEMS 5.4-rc2

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wkspacesupport.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
11/*
12 * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#ifndef _RTEMS_CONFDEFS_WKSPACESUPPORT_H
37#define _RTEMS_CONFDEFS_WKSPACESUPPORT_H
38
39#ifndef __CONFIGURATION_TEMPLATE_h
40#error "Do not include this file directly, use <rtems/confdefs.h> instead"
41#endif
42
43#ifdef CONFIGURE_INIT
44
45#include <rtems/score/heap.h>
46
47#define _Configure_Zero_or_one( _number ) ( ( _number ) != 0 ? 1 : 0 )
48
49#define _Configure_Align_up( _val, _align ) \
50 ( ( ( _val ) + ( _align ) - 1) - ( ( _val ) + ( _align ) - 1 ) % ( _align ) )
51
52#define _CONFIGURE_HEAP_MIN_BLOCK_SIZE \
53 _Configure_Align_up( sizeof( Heap_Block ), CPU_HEAP_ALIGNMENT )
54
55#define _Configure_From_workspace( _size ) \
56 ( (uintptr_t) ( _Configure_Zero_or_one( _size ) \
57 * _Configure_Align_up( \
58 _size + HEAP_BLOCK_HEADER_SIZE, \
59 _CONFIGURE_HEAP_MIN_BLOCK_SIZE \
60 ) ) )
61
62#endif /* CONFIGURE_INIT */
63
64#endif /* _RTEMS_CONFDEFS_WKSPACESUPPORT_H */
heap.h
Heap Handler API.