FreeCalypso > hg > freecalypso-sw

annotate loadtools/initscript.c @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents 10996c267de4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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45
16315ed6401a init-script logic implemented in fc-xram
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * This module has been copied from ltscript.c, ltdispatch.c and ltpassthru.c:
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3 * here we implement the init-script functionality for fc-xram.
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4 */
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5
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6 #include <sys/param.h>
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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11
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12 extern char default_helpers_dir[];
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13
54
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14 extern int cmd_baud();
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15
45
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16 static
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17 loadagent_cmd(argc, argv)
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18 char **argv;
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19 {
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20 if (tpinterf_make_cmd(argv) < 0) {
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21 fprintf(stderr, "error: unable to form target command\n");
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22 return(-1);
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23 }
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24 if (tpinterf_send_cmd() < 0)
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25 return(-1);
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26 return tpinterf_pass_output(1);
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27 }
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28
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29 static struct cmdtab {
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30 char *cmd;
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31 int minargs;
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32 int maxargs;
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33 int (*func)();
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34 } cmdtab[] = {
54
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35 {"baud", 1, 1, cmd_baud},
45
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36 {"w8", 2, 2, loadagent_cmd},
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37 {"w16", 2, 2, loadagent_cmd},
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38 {"w32", 2, 2, loadagent_cmd},
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39 {0, 0, 0, 0}
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40 };
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41
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42 static
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43 dispatch_cmd(cmd)
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44 char *cmd;
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45 {
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46 char *argv[10];
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47 char *cp, **ap;
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48 struct cmdtab *tp;
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49
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50 for (cp = cmd; isspace(*cp); cp++)
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51 ;
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52 if (!*cp || *cp == '#')
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53 return(0);
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54 printf("init-script command: %s\n", cp);
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55 argv[0] = cp;
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56 while (*cp && !isspace(*cp))
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57 cp++;
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58 if (*cp)
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59 *cp++ = '\0';
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60 for (tp = cmdtab; tp->cmd; tp++)
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61 if (!strcmp(tp->cmd, argv[0]))
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62 break;
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63 if (!tp->func) {
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64 fprintf(stderr, "error: no such command\n");
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65 return(-1);
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66 }
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67 for (ap = argv + 1; ; ) {
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68 while (isspace(*cp))
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69 cp++;
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70 if (!*cp || *cp == '#')
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71 break;
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72 if (ap - argv - 1 >= tp->maxargs) {
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73 fprintf(stderr, "error: too many arguments\n");
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74 return(-1);
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75 }
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76 *ap++ = cp;
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77 while (*cp && !isspace(*cp))
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78 cp++;
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79 if (*cp)
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80 *cp++ = '\0';
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81 }
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82 if (ap - argv - 1 < tp->minargs) {
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83 fprintf(stderr, "error: too few arguments\n");
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84 return(-1);
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85 }
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86 *ap = 0;
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87 return tp->func(ap - argv, argv);
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88 }
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89
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90 exec_init_script(script_name)
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91 char *script_name;
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92 {
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93 char pathbuf[MAXPATHLEN], *openfname;
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94 FILE *f;
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95 char linebuf[512], *cp;
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96 int lineno, retval = 0;
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97
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98 if (index(script_name, '/'))
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99 openfname = script_name;
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100 else {
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101 sprintf(pathbuf, "%s/%s", default_helpers_dir, script_name);
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102 openfname = pathbuf;
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103 }
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104 f = fopen(openfname, "r");
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105 if (!f) {
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106 perror(openfname);
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107 return(-1);
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108 }
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109 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
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110 cp = index(linebuf, '\n');
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111 if (!cp) {
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112 fprintf(stderr, "%s line %d: missing newline\n",
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113 openfname, lineno);
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114 fclose(f);
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115 return(-1);
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116 }
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117 *cp = '\0';
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118 retval = dispatch_cmd(linebuf);
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119 if (retval)
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120 break;
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121 }
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122 fclose(f);
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123 return(retval);
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124 }