FreeCalypso > hg > freecalypso-tools

annotate target-utils/loadagent/cmd_memload.c @ 1014:961efadd530a default tip

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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents 0da2cf5a999c
children
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1 /*
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2 * This module implements the ML (memory load) command, which will be
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3 * used by fc-chainload.
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4 *
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5 * The sole argument to the ML command is the body of an S3 record
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6 * with the initial "S3" characters stripped, i.e., starting with the
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7 * "count" byte, followed by the address, data and checksum bytes
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8 * exactly as in the original S3 record.
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9 */
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10
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11 #include "types.h"
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12
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13 void
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14 cmd_memload(argbulk)
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15 char *argbulk;
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16 {
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17 char *argv[2], *s;
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18 u8 srecbin[256], cksum;
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19 int len, i, c;
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20 u32 addr;
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21
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22 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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23 return;
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24 s = argv[0];
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25 if (decode_hex_digits(s, 2, &len) < 0) {
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26 inv: printf("ERROR: ML argument is invalid\n");
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27 return;
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28 }
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29 s += 2;
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30 if (len < 6)
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31 goto inv;
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32 srecbin[0] = len;
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33 for (i = 1; i <= len; i++) {
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34 if (decode_hex_digits(s, 2, &c) < 0)
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35 goto inv;
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36 s += 2;
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37 srecbin[i] = c;
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38 }
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39 cksum = 0;
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40 for (i = 0; i <= len; i++)
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41 cksum += srecbin[i];
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42 if (cksum != 0xFF) {
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43 printf("ERROR: bad ML S-record checksum\n");
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44 return;
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45 }
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46 len -= 5;
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47 addr = ((u32)srecbin[1] << 24) |
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48 ((u32)srecbin[2] << 16) |
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49 ((u32)srecbin[3] << 8) |
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50 (u32)srecbin[4];
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9214118ae941 target-utils: use of bcopy() changed to memcpy()
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51 memcpy(addr, srecbin + 5, len);
0
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52 }