FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/memops.c @ 926:6a0aa8d36d06

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rvinterf backslash escape: introduce libprint The new helper function library named libprint is meant to replace the badly misnamed libg23, and will soon contain functions for printing all of the same kinds of GPF TST packets that are now handled in libg23. However, we are also moving safe_print_trace() from libasync to this new library, and changing it to emit our new backslash escape format.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 23 May 2023 03:47:46 +0000
parents e7502631a0f9
children
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0
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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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3 */
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4
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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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18
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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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Mychaela Falconia <falcon@freecalypso.org>
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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>
parents:
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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);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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42 if (rvi_msg[3]) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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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>
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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:
diff changeset
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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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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Mychaela Falconia <falcon@freecalypso.org>
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68 MAX_MEMREAD_16BIT);
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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>
parents:
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74 cmdpkt[4] = nwords;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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75 cmdpkt[5] = memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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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>
parents:
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78 cmdpkt[8] = memaddr >> 24;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 rc = etm_pkt_exch(cmdpkt, 8);
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Mychaela Falconia <falcon@freecalypso.org>
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80 if (rc)
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81 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
82 if (rvi_msg[3]) {
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Mychaela Falconia <falcon@freecalypso.org>
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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:
diff changeset
84 rvi_msg[3]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 if (rvi_msg_len != nwords * 2 + 7) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 printf("error: mem read 16 response has wrong length\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x02) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 printf("error: mem read 16 response has wrong opcode\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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:
diff changeset
96 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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:
diff changeset
99 do_memory_read_tm3(memaddr, databuf, nbytes)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 u32 memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 u_char *databuf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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:
diff changeset
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:
diff changeset
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:
diff changeset
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:
diff changeset
112 cmdpkt[2] = memaddr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 cmdpkt[3] = memaddr >> 8;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 cmdpkt[4] = memaddr >> 16;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
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 }