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1 //================================================================= |
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2 // |
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3 // crc_test.c |
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4 // |
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5 // crc test cases |
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6 // |
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7 //========================================================================== |
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8 //####ECOSGPLCOPYRIGHTBEGIN#### |
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9 // ------------------------------------------- |
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10 // This file is part of eCos, the Embedded Configurable Operating System. |
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11 // Copyright (C) 2002 Andrew Lunn |
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12 // |
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13 // eCos is free software; you can redistribute it and/or modify it under |
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14 // the terms of the GNU General Public License as published by the Free |
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15 // Software Foundation; either version 2 or (at your option) any later version. |
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16 // |
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY |
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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20 // for more details. |
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21 // |
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22 // You should have received a copy of the GNU General Public License along |
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23 // with eCos; if not, write to the Free Software Foundation, Inc., |
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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25 // |
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26 // As a special exception, if other files instantiate templates or use macros |
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27 // or inline functions from this file, or you compile this file and link it |
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28 // with other works to produce a work based on this file, this file does not |
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29 // by itself cause the resulting work to be covered by the GNU General Public |
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30 // License. However the source code for this file must still be made available |
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31 // in accordance with section (3) of the GNU General Public License. |
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32 // |
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33 // This exception does not invalidate any other reasons why a work based on |
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34 // this file might be covered by the GNU General Public License. |
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35 // |
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. |
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37 // at http://sources.redhat.com/ecos/ecos-license/ |
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38 // ------------------------------------------- |
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39 //####ECOSGPLCOPYRIGHTEND#### |
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40 //========================================================================== |
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41 //#####DESCRIPTIONBEGIN#### |
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42 // |
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43 // Author(s): asl |
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44 // Contributors: asl |
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45 // Date: 2002-08-06 |
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46 // Description: Tests the calculation code |
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47 //####DESCRIPTIONEND#### |
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48 |
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49 #include <cyg/infra/testcase.h> |
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50 #include <cyg/crc/crc.h> |
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51 |
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52 static char license_txt[] = |
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53 " GNU GENERAL PUBLIC LICENSE |
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54 Version 2, June 1991 |
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55 |
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56 Copyright (C) 1989, 1991 Free Software Foundation, Inc. |
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57 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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58 Everyone is permitted to copy and distribute verbatim copies |
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59 of this license document, but changing it is not allowed. |
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60 |
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61 Preamble |
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62 |
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63 The licenses for most software are designed to take away your |
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64 freedom to share and change it. By contrast, the GNU General Public |
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65 License is intended to guarantee your freedom to share and change free |
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66 software--to make sure the software is free for all its users. This |
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67 General Public License applies to most of the Free Software |
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68 Foundation's software and to any other program whose authors commit to |
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69 using it. (Some other Free Software Foundation software is covered by |
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70 the GNU Library General Public License instead.) You can apply it to |
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71 your programs, too."; |
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72 |
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73 externC void |
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74 cyg_start( void ) |
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75 { |
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365
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76 unsigned long crc1,crc2; |
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77 |
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277
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78 CYG_TEST_INIT(); |
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79 |
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80 CYG_TEST_INFO("Calculating CRCs"); |
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81 |
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395
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82 if (1500790746UL != cyg_posix_crc32(license_txt,sizeof(license_txt)-1)) { |
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83 CYG_TEST_FAIL("Wrong POSIX CRC32 calculation"); |
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84 } else { |
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85 CYG_TEST_PASS("POSIX CRC32 calculation"); |
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86 } |
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87 |
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395
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88 if (1667500021UL != cyg_ether_crc32(license_txt,sizeof(license_txt)-1)) { |
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365
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89 CYG_TEST_FAIL("Wrong Ethernet crc32 calculation"); |
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90 } else { |
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91 CYG_TEST_PASS("Ethernet crc32 calculation"); |
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92 } |
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93 |
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94 if (0 != cyg_ether_crc32_accumulate(0,0,0)) { |
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95 CYG_TEST_FAIL("Ethernet crc32 accumulate setup"); |
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96 } else { |
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97 crc1= cyg_ether_crc32_accumulate(0, license_txt,sizeof(license_txt)-1); |
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98 crc2 = cyg_ether_crc32_accumulate(crc1, license_txt,sizeof(license_txt)-1); |
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99 |
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395
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100 if ((1667500021UL != crc1) || (3478736840UL != crc2)) { |
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101 CYG_TEST_FAIL("Wrong Etheret crc32 accumulate"); |
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102 } else { |
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103 CYG_TEST_PASS("Ethernet crc32_accumulate"); |
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104 } |
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105 } |
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106 |
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395
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107 if (1247800780UL != cyg_crc32(license_txt,sizeof(license_txt)-1)) { |
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108 CYG_TEST_FAIL("Wrong Gary S. Browns' crc32 calculation"); |
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109 } else { |
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110 CYG_TEST_PASS("Gary S. Browns' crc32 calculation"); |
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111 } |
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112 |
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365
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113 crc1 = cyg_crc32_accumulate(0,license_txt,sizeof(license_txt)-1); |
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114 crc2 = cyg_crc32_accumulate(crc1,license_txt,sizeof(license_txt)-1); |
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115 |
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395
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116 if ((1247800780UL != crc1) || (926002294UL != crc2)) { |
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117 CYG_TEST_FAIL("Wrong Gary S. Browns' crc32 accumulate calculation"); |
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118 } else { |
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119 CYG_TEST_PASS("Gary S. Browns' crc32 accumulate calculation"); |
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120 } |
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121 |
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395
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122 if (32256UL != cyg_crc16(license_txt,sizeof(license_txt)-1)) { |
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123 CYG_TEST_FAIL_FINISH("Wrong 16bit CRC calculation"); |
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124 } else { |
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125 CYG_TEST_PASS_FINISH("16bit CRC calculation"); |
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126 } |
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127 } |
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128 |
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129 |
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130 |
