FreeCalypso > hg > freecalypso-tools
annotate rvinterf/old/g23sh/sendsp.c @ 837:724a6bc2a4b8
CHANGES: document tiaud-compile & tiaud-decomp extension
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 30 Jul 2021 01:37:42 +0000 |
parents | e7502631a0f9 |
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1 /* |
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2 * g23sh system primitive sending command |
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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 <string.h> |
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8 #include <strings.h> |
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9 #include <stdlib.h> |
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10 #include "pktmux.h" |
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11 #include "limits.h" |
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12 |
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13 void |
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14 cmd_sendsp(argc, argv) |
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15 char **argv; |
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16 { |
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17 char *stackdest, *primarg; |
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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 stackdest = argv[1]; |
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23 primarg = argv[2]; |
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24 if (strlen(stackdest) > 4) { |
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25 printf( |
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26 "error: stack destination arg may not exceed 4 characters\n"); |
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27 return; |
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28 } |
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29 intlen = 12 + strlen(primarg); |
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30 pktlen = intlen + 4; |
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31 if (pktlen > MAX_PKT_TO_TARGET) { |
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32 printf("error: max pkt to target limit exceeded\n"); |
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33 return; |
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34 } |
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35 /* fill out the packet */ |
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36 sendpkt[0] = RVT_L23_HEADER; |
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37 sendpkt[1] = 0xB7; /* system prim */ |
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38 sendpkt[2] = intlen; |
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39 sendpkt[3] = intlen >> 8; |
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40 /* send zeros for the timestamp */ |
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41 sendpkt[4] = 0; |
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42 sendpkt[5] = 0; |
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43 sendpkt[6] = 0; |
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44 sendpkt[7] = 0; |
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45 /* as far as TI's sw is concerned, we are PCO */ |
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46 sendpkt[8] = 'P'; |
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47 sendpkt[9] = 'C'; |
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48 sendpkt[10] = 'O'; |
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49 sendpkt[11] = ' '; |
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50 sprintf(sendpkt + 12, "%-4s%s", stackdest, primarg); |
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51 /* send it! */ |
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52 send_pkt_to_target(sendpkt, pktlen); |
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53 } |