FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/memops.c @ 811:4c7f3778dc24

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fc-tmsh: add simple commands carried via ETM debug opcode
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 10 May 2021 00:59:15 +0000
parents e7502631a0f9
children
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e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * Functions for reading memory regions and Calypso die ID via ETM
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Mychaela Falconia <falcon@freecalypso.org>
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3 */
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4
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Mychaela Falconia <falcon@freecalypso.org>
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5 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
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9 #include <strings.h>
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Mychaela Falconia <falcon@freecalypso.org>
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10 #include "etm.h"
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include "tm3.h"
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include "limits.h"
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Mychaela Falconia <falcon@freecalypso.org>
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13 #include "localtypes.h"
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Mychaela Falconia <falcon@freecalypso.org>
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14 #include "exitcodes.h"
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Mychaela Falconia <falcon@freecalypso.org>
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15
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Mychaela Falconia <falcon@freecalypso.org>
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16 extern u_char rvi_msg[];
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Mychaela Falconia <falcon@freecalypso.org>
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17 extern int rvi_msg_len;
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Mychaela Falconia <falcon@freecalypso.org>
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18
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Mychaela Falconia <falcon@freecalypso.org>
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19 do_memory_read(memaddr, databuf, nbytes)
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Mychaela Falconia <falcon@freecalypso.org>
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20 u32 memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
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21 u_char *databuf;
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Mychaela Falconia <falcon@freecalypso.org>
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22 {
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Mychaela Falconia <falcon@freecalypso.org>
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23 u_char cmdpkt[10];
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Mychaela Falconia <falcon@freecalypso.org>
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24 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
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25
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Mychaela Falconia <falcon@freecalypso.org>
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26 if (nbytes > MAX_MEMREAD_BYTES) {
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Mychaela Falconia <falcon@freecalypso.org>
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27 printf("error: # of bytes to read may not exceed %d\n",
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28 MAX_MEMREAD_BYTES);
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29 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
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30 }
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Mychaela Falconia <falcon@freecalypso.org>
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31 cmdpkt[1] = ETM_CORE;
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Mychaela Falconia <falcon@freecalypso.org>
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32 cmdpkt[2] = TMCORE_OPC_MEM;
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33 cmdpkt[3] = 0x01;
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Mychaela Falconia <falcon@freecalypso.org>
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34 cmdpkt[4] = nbytes;
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Mychaela Falconia <falcon@freecalypso.org>
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35 cmdpkt[5] = memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
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36 cmdpkt[6] = memaddr >> 8;
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Mychaela Falconia <falcon@freecalypso.org>
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37 cmdpkt[7] = memaddr >> 16;
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Mychaela Falconia <falcon@freecalypso.org>
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38 cmdpkt[8] = memaddr >> 24;
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Mychaela Falconia <falcon@freecalypso.org>
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39 rc = etm_pkt_exch(cmdpkt, 8);
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Mychaela Falconia <falcon@freecalypso.org>
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40 if (rc)
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Mychaela Falconia <falcon@freecalypso.org>
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41 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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42 if (rvi_msg[3]) {
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Mychaela Falconia <falcon@freecalypso.org>
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43 printf("ETM error response to mem read request: 0x%02X\n",
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Mychaela Falconia <falcon@freecalypso.org>
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44 rvi_msg[3]);
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Mychaela Falconia <falcon@freecalypso.org>
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45 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
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46 }
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Mychaela Falconia <falcon@freecalypso.org>
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47 if (rvi_msg_len != nbytes + 7) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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48 printf("error: mem read response has wrong length\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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49 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
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50 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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51 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x01) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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52 printf("error: mem read response has wrong opcode\n");
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Mychaela Falconia <falcon@freecalypso.org>
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53 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
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54 }
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Mychaela Falconia <falcon@freecalypso.org>
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55 bcopy(rvi_msg + 6, databuf, nbytes);
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56 return(0);
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57 }
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58
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59 do_memory_read_16(memaddr, databuf, nwords)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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60 u32 memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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61 u_char *databuf;
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Mychaela Falconia <falcon@freecalypso.org>
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62 {
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63 u_char cmdpkt[10];
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Mychaela Falconia <falcon@freecalypso.org>
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64 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
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65
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66 if (nwords > MAX_MEMREAD_16BIT) {
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Mychaela Falconia <falcon@freecalypso.org>
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67 printf("error: # of 16-bit words to read may not exceed %d\n",
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68 MAX_MEMREAD_16BIT);
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Mychaela Falconia <falcon@freecalypso.org>
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69 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
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70 }
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Mychaela Falconia <falcon@freecalypso.org>
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71 cmdpkt[1] = ETM_CORE;
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Mychaela Falconia <falcon@freecalypso.org>
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72 cmdpkt[2] = TMCORE_OPC_MEM;
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Mychaela Falconia <falcon@freecalypso.org>
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73 cmdpkt[3] = 0x02;
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Mychaela Falconia <falcon@freecalypso.org>
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74 cmdpkt[4] = nwords;
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Mychaela Falconia <falcon@freecalypso.org>
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75 cmdpkt[5] = memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
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76 cmdpkt[6] = memaddr >> 8;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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77 cmdpkt[7] = memaddr >> 16;
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Mychaela Falconia <falcon@freecalypso.org>
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78 cmdpkt[8] = memaddr >> 24;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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79 rc = etm_pkt_exch(cmdpkt, 8);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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80 if (rc)
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81 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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82 if (rvi_msg[3]) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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83 printf("ETM error response to mem read 16 request: 0x%02X\n",
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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84 rvi_msg[3]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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85 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
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86 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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87 if (rvi_msg_len != nwords * 2 + 7) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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88 printf("error: mem read 16 response has wrong length\n");
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Mychaela Falconia <falcon@freecalypso.org>
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89 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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90 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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91 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x02) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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92 printf("error: mem read 16 response has wrong opcode\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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93 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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94 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 bcopy(rvi_msg + 6, databuf, nwords * 2);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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96 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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97 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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98
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 do_memory_read_tm3(memaddr, databuf, nbytes)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 u32 memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 u_char *databuf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 u_char cmdpkt[11];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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105
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 if (nbytes > TM3_MEMREAD_MAX) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 printf("error: # of bytes to read may not exceed %d\n",
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 TM3_MEMREAD_MAX);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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110 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 cmdpkt[1] = MEM_READ;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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112 cmdpkt[2] = memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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113 cmdpkt[3] = memaddr >> 8;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 cmdpkt[4] = memaddr >> 16;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 cmdpkt[5] = memaddr >> 24;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 cmdpkt[6] = nbytes;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 cmdpkt[7] = 0;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 cmdpkt[8] = 0;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 cmdpkt[9] = 0;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 rc = etm_pkt_exch(cmdpkt, 9);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 if (rc)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 return(rc);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 if (rvi_msg[3]) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 printf("TM3 error response to mem read request: 0x%02X\n",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 rvi_msg[3]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 return(ERROR_TARGET);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 if (rvi_msg_len != nbytes + 9) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 printf("error: mem read response has wrong length\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 return(ERROR_TARGET);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 if (rvi_msg[4] != nbytes || rvi_msg[5] || rvi_msg[6] || rvi_msg[7]) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 printf("error: mem read response has wrong length echo\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 return(ERROR_TARGET);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 bcopy(rvi_msg + 8, databuf, nbytes);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 do_dieid_read(databuf)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 u_char *databuf;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 u_char cmdpkt[4];
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 int rc;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 cmdpkt[1] = ETM_CORE;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 cmdpkt[2] = TMCORE_OPC_DIEID;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 rc = etm_pkt_exch(cmdpkt, 2);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 if (rc)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 return(rc);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 if (rvi_msg[3]) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 printf("ETM error response to die ID read request: 0x%02X\n",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 rvi_msg[3]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 return(ERROR_TARGET);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 if (rvi_msg_len != 14) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 printf("error: die ID read response has wrong length\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 return(ERROR_TARGET);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 if (rvi_msg[4] != TMCORE_OPC_DIEID) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 printf("error: die ID read response has wrong opcode\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 return(ERROR_TARGET);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 bcopy(rvi_msg + 5, databuf, 8);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 }