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annotate packages/hal/sh/hs7729pci/current/misc/split_words.c @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
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children d2c90368aeef
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1 //=============================================================================
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2 //
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3 // split_words.c
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4 //
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5 // Quick hack to handle splitting of binary images into .lo and .hi files
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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 Red Hat, 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 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): jskov
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44 // Contributors: jskov
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45 // Date: 2001-05-29
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46 // Purpose: Split binary ROM image into .hi and .lo parts for EPROMs
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47 // Description: Usage:
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48 // split_words install/bin/redboot.bin
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49 //
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50 // Will output file out.lo and out.hi which should be programmed
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51 // to the EPROMs.
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52 //
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53 //####DESCRIPTIONEND####
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54 //
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55 //=============================================================================
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56
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57
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58
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59 #include <sys/types.h>
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60 #include <sys/stat.h>
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61 #include <fcntl.h>
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62 #include <unistd.h>
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63 #include <stdio.h>
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64
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65 int
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66 main(int argc, char** argv)
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67 {
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68 int fi, f1, f2;
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69 ssize_t s1, s2;
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70 fi = open(argv[1], O_RDONLY);
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71 f1 = open("out.lo", O_WRONLY|O_CREAT|O_TRUNC, 0666);
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72 f2 = open("out.hi", O_WRONLY|O_CREAT|O_TRUNC, 0666);
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73
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74 if (-1 == f1 || -1 == f2) {
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75 fprintf(stderr, "failed to open output files\n");
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76 return -1;
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77 }
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78
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79 if (-1 == fi) {
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80 fprintf(stderr, "failed to open input file\n");
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81 return -1;
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82 }
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83
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84 do {
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85 unsigned char b[4];
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86 s1 = read(fi, b, 4);
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87
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88 if (s1 == 4) {
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89 write(f1, b, 2);
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90 write(f2, b+2, 2);
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91 }
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92 } while (s1);
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93
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94 return 0;
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95 }