FreeCalypso > hg > freecalypso-tools
annotate rvinterf/asyncshell/sendsp.c @ 926:6a0aa8d36d06
rvinterf backslash escape: introduce libprint
The new helper function library named libprint is meant to replace
the badly misnamed libg23, and will soon contain functions for
printing all of the same kinds of GPF TST packets that are now handled
in libg23. However, we are also moving safe_print_trace() from libasync
to this new library, and changing it to emit our new backslash escape
format.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 23 May 2023 03:47:46 +0000 |
parents | d43d82cbfb85 |
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rev | line source |
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0
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1 /* |
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2 * Functions for sending GPF system primitives to the target |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <ctype.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 #include "pktmux.h" |
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12 #include "limits.h" |
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13 #include "exitcodes.h" |
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14 |
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15 send_gpf_sysprim(stackdest, primstr) |
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16 char *stackdest, *primstr; |
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17 { |
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18 unsigned intlen; |
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19 u_char sendpkt[MAX_PKT_TO_TARGET+1]; |
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20 unsigned pktlen; |
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21 |
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22 if (strlen(stackdest) > 4) { |
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23 printf( |
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24 "error: stack destination arg may not exceed 4 characters\n"); |
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25 return(ERROR_USAGE); |
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26 } |
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27 intlen = 12 + strlen(primstr); |
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28 pktlen = intlen + 4; |
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29 if (pktlen > MAX_PKT_TO_TARGET) { |
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30 printf("error: max pkt to target limit exceeded\n"); |
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31 return(ERROR_USAGE); |
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32 } |
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33 /* fill out the packet */ |
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34 sendpkt[0] = RVT_L23_HEADER; |
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35 sendpkt[1] = 0xB7; /* system prim */ |
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36 sendpkt[2] = intlen; |
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37 sendpkt[3] = intlen >> 8; |
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38 /* send zeros for the timestamp */ |
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39 sendpkt[4] = 0; |
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40 sendpkt[5] = 0; |
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41 sendpkt[6] = 0; |
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42 sendpkt[7] = 0; |
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43 /* as far as TI's sw is concerned, we are PCO */ |
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44 sendpkt[8] = 'P'; |
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45 sendpkt[9] = 'C'; |
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46 sendpkt[10] = 'O'; |
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47 sendpkt[11] = ' '; |
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48 sprintf(sendpkt + 12, "%-4s%s", stackdest, primstr); |
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49 /* send it! */ |
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50 send_pkt_to_target(sendpkt, pktlen); |
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51 return(0); |
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52 } |
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53 |
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54 void |
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55 cmd_sp_interactive(args) |
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56 char *args; |
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57 { |
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58 char *cp, *np; |
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59 |
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60 for (cp = args; isspace(*cp); cp++) |
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61 ; |
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62 if (!*cp) { |
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63 err: printf("error: two arguments required\n"); |
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64 return; |
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65 } |
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66 for (np = cp; *cp && !isspace(*cp); cp++) |
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67 ; |
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68 if (!*cp) |
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69 goto err; |
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70 *cp++ = '\0'; |
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71 while (isspace(*cp)) |
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72 cp++; |
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73 if (!*cp) |
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74 goto err; |
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75 gpf_rx_control(1); |
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76 send_gpf_sysprim(np, cp); |
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77 } |
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78 |
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79 cmd_sp_oneshot(argc, argv) |
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80 char **argv; |
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81 { |
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82 return send_gpf_sysprim(argv[1], argv[2]); |
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83 } |