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annotate rvinterf/tmsh/omr.c @ 1023:cd6002e3aefb

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doc/Freerunner-Howto: apparently some people still use SHR, so mention it too
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Tue, 03 May 2016 13:48:39 +0000
parents a0879ce32d2c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
978
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
Mychaela Falconia <falcon@ivan.Harhan.ORG>
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1 /*
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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2 * Old-style memory read command
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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3 */
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4
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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5 #include <sys/types.h>
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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parents:
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6 #include <stdio.h>
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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7 #include <string.h>
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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parents:
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8 #include <strings.h>
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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9 #include <stdlib.h>
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
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10 #include "pktmux.h"
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11 #include "limits.h"
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12 #include "localtypes.h"
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13 #include "tm3.h"
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14
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15 extern u_char rvi_msg[];
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16 extern int rvi_msg_len;
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17
979
ebdf5afa9fb5 fc-tmsh: omr responses parsed and formatted in a readable manner
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parents: 978
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18 static void
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parents: 978
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19 memdump_line(off, inbuf, len)
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parents: 978
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20 u_char *inbuf;
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parents: 978
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21 {
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parents: 978
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22 char outbuf[80], *dp;
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23 int i, c;
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parents: 978
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24
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parents: 978
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25 sprintf(outbuf, "omr %02X: ", off);
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26 dp = index(outbuf, '\0');
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parents: 978
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27 for (i = 0; i < 16; i++) {
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parents: 978
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28 if (i < len)
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parents: 978
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29 sprintf(dp, "%02X ", inbuf[i]);
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parents: 978
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30 else
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31 strcpy(dp, " ");
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32 dp += 3;
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33 if (i == 7 || i == 15)
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34 *dp++ = ' ';
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parents: 978
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35 }
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36 for (i = 0; i < len; i++) {
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37 c = inbuf[i];
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38 if (c < ' ' || c > '~')
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parents: 978
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39 c = '.';
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40 *dp++ = c;
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parents: 978
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41 }
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42 *dp = '\0';
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parents: 978
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43 async_msg_output(outbuf);
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44 }
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45
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46 void
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47 handle_omr_response()
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48 {
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49 int off, len;
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50
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51 if (rvi_msg[3]) {
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52 print_etm_pkt_raw("TM3 memread error");
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53 return;
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54 }
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parents: 978
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55 if (rvi_msg_len < 10) {
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56 bad: print_etm_pkt_raw("omr bad resp");
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57 return;
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58 }
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59 if (rvi_msg[5] || rvi_msg[6] || rvi_msg[7])
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60 goto bad;
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61 if (rvi_msg_len != rvi_msg[4] + 9)
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62 goto bad;
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63 for (off = 0; off < rvi_msg[4]; off += len) {
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parents: 978
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64 len = rvi_msg[4] - off;
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parents: 978
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65 if (len > 16)
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66 len = 16;
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67 memdump_line(off, rvi_msg + 8 + off, len);
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parents: 978
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68 }
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parents: 978
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69 }
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parents: 978
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70
978
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71 void
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72 cmd_omr(argc, argv)
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73 char **argv;
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74 {
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75 u32 addr, size;
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76 u_char cmdpkt[11];
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77
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78 addr = strtoul(argv[1], 0, 16);
980
a0879ce32d2c fc-tmsh omr command: always interpret both arguments as hex
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parents: 979
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79 size = strtoul(argv[2], 0, 16);
978
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80 if (size < 1 || size > TM3_MEMREAD_MAX) {
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81 printf("error: count argument outside valid range\n");
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82 return;
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83 }
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84 cmdpkt[1] = MEM_READ;
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85 cmdpkt[2] = addr;
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86 cmdpkt[3] = addr >> 8;
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87 cmdpkt[4] = addr >> 16;
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parents:
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88 cmdpkt[5] = addr >> 24;
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parents:
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89 cmdpkt[6] = size;
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90 cmdpkt[7] = 0;
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91 cmdpkt[8] = 0;
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92 cmdpkt[9] = 0;
1ee80bcb0fd0 fc-tmsh: omr (old-style memory read) command implemented
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents:
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93 send_etm_cmd(cmdpkt, 9);
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parents:
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94 }