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1 | | -/* SPDX-License-Identifier: GPL-2.0 */ |
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2 | 1 | /* |
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3 | 2 | * Declare directives for structure packing. No padding will be provided |
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4 | 3 | * between the members of packed structures, and therefore, there is no |
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16 | 15 | * #include <packed_section_end.h> |
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17 | 16 | * |
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18 | 17 | * |
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19 | | - * Copyright (C) 1999-2019, Broadcom Corporation |
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20 | | - * |
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| 18 | + * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation |
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| 19 | + * |
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| 20 | + * Copyright (C) 1999-2017, Broadcom Corporation |
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| 21 | + * |
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21 | 22 | * Unless you and Broadcom execute a separate written software license |
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22 | 23 | * agreement governing use of this software, this software is licensed to you |
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23 | 24 | * under the terms of the GNU General Public License version 2 (the "GPL"), |
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24 | 25 | * available at http://www.broadcom.com/licenses/GPLv2.php, with the |
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25 | 26 | * following added to such license: |
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26 | | - * |
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| 27 | + * |
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27 | 28 | * As a special exception, the copyright holders of this software give you |
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28 | 29 | * permission to link this software with independent modules, and to copy and |
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29 | 30 | * distribute the resulting executable under terms of your choice, provided that |
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31 | 32 | * the license of that module. An independent module is a module which is not |
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32 | 33 | * derived from this software. The special exception does not apply to any |
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33 | 34 | * modifications of the software. |
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34 | | - * |
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| 35 | + * |
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35 | 36 | * Notwithstanding the above, under no circumstances may you combine this |
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36 | 37 | * software in any way with any other Broadcom software provided under a license |
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37 | 38 | * other than the GPL, without Broadcom's express prior written consent. |
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39 | 40 | * |
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40 | 41 | * <<Broadcom-WL-IPTag/Open:>> |
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41 | 42 | * |
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42 | | - * $Id: packed_section_start.h 514727 2014-11-12 03:02:48Z $ |
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| 43 | + * $Id: packed_section_start.h 666738 2016-10-24 12:16:37Z $ |
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43 | 44 | */ |
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44 | 45 | |
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| 46 | +#ifndef _alignment_test_ |
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| 47 | +#define _alignment_test_ |
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| 48 | + |
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| 49 | +/* ASSERT default packing */ |
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| 50 | +typedef struct T4 { |
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| 51 | + uint8 a; |
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| 52 | + uint32 b; |
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| 53 | + uint16 c; |
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| 54 | + uint8 d; |
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| 55 | +} T4_t; |
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| 56 | + |
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| 57 | +/* 4 byte alignment support */ |
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| 58 | +/* |
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| 59 | +* a . . . |
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| 60 | +* b b b b |
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| 61 | +* c c d . |
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| 62 | +*/ |
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| 63 | + |
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| 64 | +/* |
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| 65 | + * Below function is meant to verify that this file is compiled with the default alignment of 4. |
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| 66 | + * Function will fail to compile if the condition is not met. |
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| 67 | + */ |
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| 68 | +#ifdef __GNUC__ |
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| 69 | +#define VARIABLE_IS_NOT_USED __attribute__ ((unused)) |
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| 70 | +#else |
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| 71 | +#define VARIABLE_IS_NOT_USED |
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| 72 | +#endif // endif |
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| 73 | +static void alignment_test(void); |
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| 74 | +static void |
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| 75 | +VARIABLE_IS_NOT_USED alignment_test(void) |
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| 76 | +{ |
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| 77 | + /* verify 4 byte alignment support */ |
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| 78 | + STATIC_ASSERT(sizeof(T4_t) == 12); |
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| 79 | +} |
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| 80 | +#endif /* _alignment_test_ */ |
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45 | 81 | |
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46 | 82 | /* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h |
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47 | 83 | * and undefined in packed_section_end.h. If it is already defined at this |
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51 | 87 | #error "BWL_PACKED_SECTION is already defined!" |
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52 | 88 | #else |
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53 | 89 | #define BWL_PACKED_SECTION |
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54 | | -#endif |
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| 90 | +#endif // endif |
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55 | 91 | |
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56 | | - |
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57 | | - |
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| 92 | +#if defined(BWL_DEFAULT_PACKING) |
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| 93 | + /* generate an error if BWL_DEFAULT_PACKING is defined */ |
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| 94 | + #error "BWL_DEFAULT_PACKING not supported any more." |
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| 95 | +#endif /* BWL_PACKED_SECTION */ |
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58 | 96 | |
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59 | 97 | /* Declare compiler-specific directives for structure packing. */ |
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60 | 98 | #if defined(__GNUC__) || defined(__lint) |
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65 | 103 | #define BWL_POST_PACKED_STRUCT |
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66 | 104 | #else |
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67 | 105 | #error "Unknown compiler!" |
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68 | | -#endif |
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| 106 | +#endif // endif |
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