FreeCalypso > hg > freecalypso-sw

annotate loadtools/tpinterf3.c @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 6fb41cfa773d
children
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1 /*
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2 * The do_r16() and do_w16() functions implemented in this module
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3 * provide programmatic access to the r16 and w16 commands on the target.
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4 * They will be used to implement some flash operations.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <stdio.h>
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9 #include <stdint.h>
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10 #include <string.h>
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11 #include <strings.h>
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12 #include <stdlib.h>
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13
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14 extern char target_response_line[];
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15
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16 do_r16(addr, retptr)
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17 uint32_t addr;
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18 uint16_t *retptr;
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19 {
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20 char addr_arg[10], *argv[3];
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21 int stat;
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22 char *strtoul_endp;
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23
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24 sprintf(addr_arg, "%lx", (u_long) addr);
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25 argv[0] = "r16";
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26 argv[1] = addr_arg;
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27 argv[2] = 0;
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28 tpinterf_make_cmd(argv);
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29 if (tpinterf_send_cmd() < 0)
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30 return(-1);
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31 stat = tpinterf_capture_output_oneline(1);
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32 if (stat != 1) {
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33 errout: fprintf(stderr, "error: malformed response to r16 command\n");
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34 return(-1);
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35 }
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36 if (strlen(target_response_line) != 4)
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37 goto errout;
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38 *retptr = strtoul(target_response_line, &strtoul_endp, 16);
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39 if (strtoul_endp != target_response_line + 4)
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40 goto errout;
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41 return(0);
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42 }
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43
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44 do_w16(addr, data)
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45 uint32_t addr;
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46 uint16_t data;
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47 {
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48 char addr_arg[10], data_arg[10], *argv[4];
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49
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50 sprintf(addr_arg, "%lx", (u_long) addr);
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51 sprintf(data_arg, "%lx", (u_long) data);
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52 argv[0] = "w16";
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53 argv[1] = addr_arg;
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54 argv[2] = data_arg;
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55 argv[3] = 0;
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56 tpinterf_make_cmd(argv);
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57 if (tpinterf_send_cmd() < 0)
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58 return(-1);
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59 return tpinterf_pass_output(1);
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60 }