FreeCalypso > hg > freecalypso-sw
view rvinterf/old/g23sh/sendsp.c @ 992:a7b0b426f9ca
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 | 373af5f74e39 |
children |
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/* * g23sh system primitive sending command */ #include <sys/types.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include "pktmux.h" #include "limits.h" void cmd_sendsp(argc, argv) char **argv; { char *stackdest, *primarg; unsigned intlen; u_char sendpkt[MAX_PKT_TO_TARGET+1]; unsigned pktlen; stackdest = argv[1]; primarg = argv[2]; if (strlen(stackdest) > 4) { printf( "error: stack destination arg may not exceed 4 characters\n"); return; } intlen = 12 + strlen(primarg); pktlen = intlen + 4; if (pktlen > MAX_PKT_TO_TARGET) { printf("error: max pkt to target limit exceeded\n"); return; } /* fill out the packet */ sendpkt[0] = RVT_L23_HEADER; sendpkt[1] = 0xB7; /* system prim */ sendpkt[2] = intlen; sendpkt[3] = intlen >> 8; /* send zeros for the timestamp */ sendpkt[4] = 0; sendpkt[5] = 0; sendpkt[6] = 0; sendpkt[7] = 0; /* as far as TI's sw is concerned, we are PCO */ sendpkt[8] = 'P'; sendpkt[9] = 'C'; sendpkt[10] = 'O'; sendpkt[11] = ' '; sprintf(sendpkt + 12, "%-4s%s", stackdest, primarg); /* send it! */ send_pkt_to_target(sendpkt, pktlen); }