FreeCalypso > hg > freecalypso-sw

annotate rvinterf/asyncshell/poweroff.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 bd873572ef2c
children
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1 /*
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2 * fc-shell poweroff and tgtreset commands
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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 <stdlib.h>
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8 #include "pktmux.h"
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9 #include "etm.h"
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10
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11 send_etm_cmd(buf, len)
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12 u_char *buf;
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13 {
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14 int i, c;
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15
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16 buf[0] = RVT_TM_HEADER;
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17 c = 0;
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18 for (i = 1; i <= len; i++)
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19 c ^= buf[i];
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20 buf[i] = c;
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21 send_pkt_to_target(buf, len + 2);
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22 return 0;
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23 }
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24
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25 cmd_poweroff()
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26 {
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27 u_char cmdpkt[7];
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28
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29 cmdpkt[1] = ETM_CORE;
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30 cmdpkt[2] = TMCORE_OPC_CODEC_WR;
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31 cmdpkt[3] = 30; /* VRPCDEV */
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32 cmdpkt[4] = 0x01; /* low 8 bits */
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33 cmdpkt[5] = 0; /* high 2 bits */
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34 return send_etm_cmd(cmdpkt, 5);
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35 }
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36
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37 cmd_tgtreset()
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38 {
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39 u_char cmdpkt[4];
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40
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41 cmdpkt[1] = ETM_CORE;
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42 cmdpkt[2] = TMCORE_OPC_RESET;
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43 return send_etm_cmd(cmdpkt, 2);
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44 }