FreeCalypso > hg > freecalypso-tools
annotate rvinterf/etmsync/memops.c @ 268:081e22784044
CHANGES: fc-fsio pirelli-magnetite-init change documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 16 Nov 2017 04:41:39 +0000 |
parents | e7502631a0f9 |
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rev | line source |
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0
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1 /* |
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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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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include "etm.h" |
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11 #include "tm3.h" |
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12 #include "limits.h" |
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13 #include "localtypes.h" |
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14 #include "exitcodes.h" |
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15 |
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16 extern u_char rvi_msg[]; |
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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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20 u32 memaddr; |
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21 u_char *databuf; |
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22 { |
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23 u_char cmdpkt[10]; |
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24 int rc; |
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25 |
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26 if (nbytes > MAX_MEMREAD_BYTES) { |
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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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30 } |
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31 cmdpkt[1] = ETM_CORE; |
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32 cmdpkt[2] = TMCORE_OPC_MEM; |
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33 cmdpkt[3] = 0x01; |
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34 cmdpkt[4] = nbytes; |
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35 cmdpkt[5] = memaddr; |
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36 cmdpkt[6] = memaddr >> 8; |
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37 cmdpkt[7] = memaddr >> 16; |
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38 cmdpkt[8] = memaddr >> 24; |
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39 rc = etm_pkt_exch(cmdpkt, 8); |
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40 if (rc) |
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41 return(rc); |
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42 if (rvi_msg[3]) { |
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43 printf("ETM error response to mem read request: 0x%02X\n", |
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44 rvi_msg[3]); |
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45 return(ERROR_TARGET); |
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46 } |
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47 if (rvi_msg_len != nbytes + 7) { |
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48 printf("error: mem read response has wrong length\n"); |
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49 return(ERROR_TARGET); |
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50 } |
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51 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x01) { |
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52 printf("error: mem read response has wrong opcode\n"); |
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53 return(ERROR_TARGET); |
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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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60 u32 memaddr; |
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61 u_char *databuf; |
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62 { |
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63 u_char cmdpkt[10]; |
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64 int rc; |
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65 |
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66 if (nwords > MAX_MEMREAD_16BIT) { |
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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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69 return(ERROR_USAGE); |
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70 } |
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71 cmdpkt[1] = ETM_CORE; |
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72 cmdpkt[2] = TMCORE_OPC_MEM; |
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73 cmdpkt[3] = 0x02; |
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74 cmdpkt[4] = nwords; |
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75 cmdpkt[5] = memaddr; |
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76 cmdpkt[6] = memaddr >> 8; |
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77 cmdpkt[7] = memaddr >> 16; |
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78 cmdpkt[8] = memaddr >> 24; |
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79 rc = etm_pkt_exch(cmdpkt, 8); |
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80 if (rc) |
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81 return(rc); |
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82 if (rvi_msg[3]) { |
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83 printf("ETM error response to mem read 16 request: 0x%02X\n", |
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84 rvi_msg[3]); |
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85 return(ERROR_TARGET); |
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86 } |
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87 if (rvi_msg_len != nwords * 2 + 7) { |
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88 printf("error: mem read 16 response has wrong length\n"); |
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89 return(ERROR_TARGET); |
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90 } |
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91 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x02) { |
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92 printf("error: mem read 16 response has wrong opcode\n"); |
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93 return(ERROR_TARGET); |
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94 } |
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95 bcopy(rvi_msg + 6, databuf, nwords * 2); |
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96 return(0); |
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97 } |
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98 |
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99 do_memory_read_tm3(memaddr, databuf, nbytes) |
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100 u32 memaddr; |
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101 u_char *databuf; |
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102 { |
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103 u_char cmdpkt[11]; |
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changeset
|
104 int rc; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
105 |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
106 if (nbytes > TM3_MEMREAD_MAX) { |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 printf("error: # of bytes to read may not exceed %d\n", |
e7502631a0f9
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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; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
114 cmdpkt[4] = memaddr >> 16; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
115 cmdpkt[5] = memaddr >> 24; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
116 cmdpkt[6] = nbytes; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 cmdpkt[7] = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 cmdpkt[8] = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 cmdpkt[9] = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 rc = etm_pkt_exch(cmdpkt, 9); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 if (rc) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 return(rc); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 if (rvi_msg[3]) { |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 printf("TM3 error response to mem read request: 0x%02X\n", |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 rvi_msg[3]); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 return(ERROR_TARGET); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 if (rvi_msg_len != nbytes + 9) { |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 printf("error: mem read response has wrong length\n"); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 return(ERROR_TARGET); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 if (rvi_msg[4] != nbytes || rvi_msg[5] || rvi_msg[6] || rvi_msg[7]) { |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 printf("error: mem read response has wrong length echo\n"); |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 return(ERROR_TARGET); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 bcopy(rvi_msg + 8, databuf, nbytes); |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 return(0); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 do_dieid_read(databuf) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 u_char *databuf; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 u_char cmdpkt[4]; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 int rc; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 cmdpkt[1] = ETM_CORE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 cmdpkt[2] = TMCORE_OPC_DIEID; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 rc = etm_pkt_exch(cmdpkt, 2); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 if (rc) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 return(rc); |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 if (rvi_msg[3]) { |
e7502631a0f9
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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
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 return(ERROR_TARGET); |
e7502631a0f9
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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 } |