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* Added execute permissions to files missed in conversion from CVS
author alexs
date Thu, 26 Mar 2009 20:39:18 +0000
parents 74dbf4c3f2e1
children
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1 //==========================================================================
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2 //
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3 // mcmp.c
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4 //
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5 // RedBoot memory compare (mcmp) routine
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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) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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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
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): gthomas
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43 // Contributors: gthomas
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44 // Date: 2002-08-06
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45 // Purpose:
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46 // Description:
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47 //
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48 // This code is part of RedBoot (tm).
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 #include <redboot.h>
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55
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56 RedBoot_cmd("mcmp",
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57 "Compare two blocks of memory",
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58 "-s <location> -d <location> -l <length> [-1|-2|-4]",
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59 do_mcmp
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60 );
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61
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62 void
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63 do_mcmp(int argc, char *argv[])
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64 {
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65 // Fill a region of memory with a pattern
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66 struct option_info opts[6];
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67 unsigned long src_base, dst_base;
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68 long len;
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69 bool src_base_set, dst_base_set, len_set;
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70 bool set_32bit, set_16bit, set_8bit;
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71
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72 init_opts(&opts[0], 's', true, OPTION_ARG_TYPE_NUM,
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73 (void *)&src_base, (bool *)&src_base_set, "base address");
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74 init_opts(&opts[1], 'l', true, OPTION_ARG_TYPE_NUM,
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75 (void *)&len, (bool *)&len_set, "length");
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76 init_opts(&opts[2], 'd', true, OPTION_ARG_TYPE_NUM,
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77 (void *)&dst_base, (bool *)&dst_base_set, "base address");
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78 init_opts(&opts[3], '4', false, OPTION_ARG_TYPE_FLG,
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79 (void *)&set_32bit, (bool *)0, "fill 32 bit units");
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80 init_opts(&opts[4], '2', false, OPTION_ARG_TYPE_FLG,
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81 (void *)&set_16bit, (bool *)0, "fill 16 bit units");
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82 init_opts(&opts[5], '1', false, OPTION_ARG_TYPE_FLG,
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83 (void *)&set_8bit, (bool *)0, "fill 8 bit units");
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84 if (!scan_opts(argc, argv, 1, opts, 6, 0, 0, "")) {
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85 return;
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86 }
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87 if (!src_base_set || !dst_base_set || !len_set) {
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88 diag_printf("usage: mcmp -s <addr> -d <addr> -l <length> [-1|-2|-4]\n");
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89 return;
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90 }
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92
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93
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94 if (set_8bit) {
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95 cyg_uint8 *s = (cyg_uint8 *)src_base;
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96 cyg_uint8 *d = (cyg_uint8 *)dst_base;
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97 while ((len -= sizeof(cyg_uint8)) >= 0) {
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98 if (*s++ != *d++) {
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99 s--;
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100 d--;
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101 diag_printf("Buffers don't match - %p=0x%02x, %p=0x%02x\n",
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102 s, *s, d, *d);
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103 return;
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104 }
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105
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106 }
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107 } else if (set_16bit) {
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108 cyg_uint16 *s = (cyg_uint16 *)src_base;
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109 cyg_uint16 *d = (cyg_uint16 *)dst_base;
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110 while ((len -= sizeof(cyg_uint16)) >= 0) {
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111 if (*s++ != *d++) {
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112 s--;
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113 d--;
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114 diag_printf("Buffers don't match - %p=0x%04x, %p=0x%04x\n",
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115 s, *s, d, *d);
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116 return;
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117 }
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118
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119 }
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120 } else {
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121 cyg_uint32 *s = (cyg_uint32 *)src_base;
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122 cyg_uint32 *d = (cyg_uint32 *)dst_base;
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123 while ((len -= sizeof(cyg_uint32)) >= 0) {
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124 if (*s++ != *d++) {
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125 s--;
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126 d--;
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127 diag_printf("Buffers don't match - %p=0x%08x, %p=0x%08x\n",
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128 s, *s, d, *d);
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129 return;
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130 }
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131 }
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132 }
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133 }