MCUX CLNS
MCUX Crypto Library Normal Secure
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mcuxClCore_Macros.h
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1/*--------------------------------------------------------------------------*/
2/* Copyright 2023-2025 NXP */
3/* */
4/* SPDX-License-Identifier: BSD-3-Clause */
5/* */
6/* Redistribution and use in source and binary forms, with or without */
7/* modification, are permitted provided that the following conditions are */
8/* met: */
9/* */
10/* 1. Redistributions of source code must retain the above copyright */
11/* notice, this list of conditions and the following disclaimer. */
12/* */
13/* 2. Redistributions in binary form must reproduce the above copyright */
14/* notice, this list of conditions and the following disclaimer in the */
15/* documentation and/or other materials provided with the distribution. */
16/* */
17/* 3. Neither the name of the copyright holder nor the names of its */
18/* contributors may be used to endorse or promote products derived from */
19/* this software without specific prior written permission. */
20/* */
21/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS */
22/* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED */
23/* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A */
24/* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
25/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
26/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
27/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR */
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30/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
31/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
32/*--------------------------------------------------------------------------*/
33
39
40#ifndef MCUXCLCORE_MACROS_H_
41#define MCUXCLCORE_MACROS_H_
42
43/* Macro to calculate the rounded down number of words that fit into the specified size */
44#define MCUXCLCORE_NUM_OF_WORDS_FLOOR(wordsize, size) \
45 ((size) / (wordsize))
46
47/* Macro to calculate the rounded up number of words needed to fit an object of the specified size */
48#define MCUXCLCORE_NUM_OF_WORDS_CEIL(wordsize, size) \
49 (((size) + (wordsize) - 1u) / (wordsize))
50
51/* Macro to calculate the rounded down number of CPU words that fit into the specified size */
52#define MCUXCLCORE_NUM_OF_CPUWORDS_FLOOR(size) \
53 MCUXCLCORE_NUM_OF_WORDS_FLOOR(sizeof(uint32_t), size)
54
55/* Macro to calculate the rounded up number of CPU words needed to fit an object of the specified size */
56#define MCUXCLCORE_NUM_OF_CPUWORDS_CEIL(size) \
57 MCUXCLCORE_NUM_OF_WORDS_CEIL(sizeof(uint32_t), size)
58
59/* Macro to round up a given size to the nearest multiple of a specified word size */
60#define MCUXCLCORE_ALIGN_TO_WORDSIZE(wordsize, size) \
61 (MCUXCLCORE_NUM_OF_WORDS_CEIL(wordsize, size) * (wordsize))
62
63/* Macro to round up a given size to the nearest multiple of the CPU word size */
64#define MCUXCLCORE_ALIGN_TO_CPU_WORDSIZE(size) \
65 MCUXCLCORE_ALIGN_TO_WORDSIZE(sizeof(uint32_t), size)
66
67/* Macro to calculate the maximum of two values */
68#define MCUXCLCORE_MAX(a, b) \
69 (((a) > (b)) ? (a) : (b))
70
71/* Macro to calculate the minimum of two values */
72#define MCUXCLCORE_MIN(a, b) \
73 (((a) < (b)) ? (a) : (b))
74
75/* Macros to get the status code class of a 32-bit return code */
76#define MCUXCLCORE_CLS_MASK (0x0000FF00u)
77#define MCUXCLCORE_CLS_NORMAL (0x00002E00u)
78#define MCUXCLCORE_CLS_NORMALMISMATCH (0x00008900u)
79#define MCUXCLCORE_CLS_ABNORMAL (0x00005300U)
80#define MCUXCLCORE_CLS_ATTACK (0x0000F000U)
81#define MCUXCLCORE_GET_CLS(returnCode) \
82 ((returnCode) & MCUXCLCORE_CLS_MASK)
83
90#if !defined ( __m56800E__ )
91 #define MCUXCLCORE_DONOTOPTIMIZE(val) \
92 __asm volatile("" : "+r" (val))
93#else
94 #define MCUXCLCORE_DONOTOPTIMIZE(val)
95#endif /* !defined ( __m56800E__ ) */
96#endif /* MCUXCLCORE_MACROS_H_ */