FreeCalypso > hg > freecalypso-sw

annotate rvinterf/etmsync/memops.c @ 936:1e80730db11b

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fc-fsio: mk-std-dirs alias for create-std-dirs
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sat, 31 Oct 2015 08:31:26 +0000
parents 38c7078712ab
children ce0ded19a769
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911
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Space Falcon <falcon@ivan.Harhan.ORG>
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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 "limits.h"
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12 #include "localtypes.h"
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13 #include "exitcodes.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
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18 do_memory_read(memaddr, databuf, nbytes)
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19 u32 memaddr;
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20 u_char *databuf;
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21 {
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22 u_char cmdpkt[10];
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23 int rc;
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24
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25 if (nbytes > MAX_MEMREAD_BYTES) {
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26 printf("error: # of bytes to read may not exceed %d\n",
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27 MAX_MEMREAD_BYTES);
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28 return(ERROR_USAGE);
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29 }
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30 cmdpkt[1] = ETM_CORE;
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31 cmdpkt[2] = TMCORE_OPC_MEM;
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32 cmdpkt[3] = 0x01;
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33 cmdpkt[4] = nbytes;
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34 cmdpkt[5] = memaddr;
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35 cmdpkt[6] = memaddr >> 8;
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36 cmdpkt[7] = memaddr >> 16;
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37 cmdpkt[8] = memaddr >> 24;
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38 rc = etm_pkt_exch(cmdpkt, 8);
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39 if (rc)
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40 return(rc);
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41 if (rvi_msg[3]) {
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42 printf("ETM error response to mem read request: 0x%02X\n",
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43 rvi_msg[3]);
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44 return(ERROR_TARGET);
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45 }
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46 if (rvi_msg_len != nbytes + 7) {
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47 printf("error: mem read response has wrong length\n");
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48 return(ERROR_TARGET);
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49 }
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50 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x01) {
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51 printf("error: mem read response has wrong opcode\n");
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52 return(ERROR_TARGET);
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53 }
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54 bcopy(rvi_msg + 6, databuf, nbytes);
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55 return(0);
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56 }
912
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57
921
38c7078712ab fc-dspapidump utility written, compiles
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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58 do_memory_read_16(memaddr, databuf, nwords)
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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59 u32 memaddr;
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60 u_char *databuf;
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parents: 912
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61 {
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62 u_char cmdpkt[10];
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
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63 int rc;
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parents: 912
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64
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65 if (nwords > MAX_MEMREAD_16BIT) {
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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66 printf("error: # of 16-bit words to read may not exceed %d\n",
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67 MAX_MEMREAD_16BIT);
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68 return(ERROR_USAGE);
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69 }
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parents: 912
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70 cmdpkt[1] = ETM_CORE;
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
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71 cmdpkt[2] = TMCORE_OPC_MEM;
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
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72 cmdpkt[3] = 0x02;
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73 cmdpkt[4] = nwords;
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74 cmdpkt[5] = memaddr;
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75 cmdpkt[6] = memaddr >> 8;
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
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76 cmdpkt[7] = memaddr >> 16;
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77 cmdpkt[8] = memaddr >> 24;
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78 rc = etm_pkt_exch(cmdpkt, 8);
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79 if (rc)
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80 return(rc);
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81 if (rvi_msg[3]) {
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82 printf("ETM error response to mem read 16 request: 0x%02X\n",
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83 rvi_msg[3]);
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84 return(ERROR_TARGET);
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85 }
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86 if (rvi_msg_len != nwords * 2 + 7) {
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
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87 printf("error: mem read 16 response has wrong length\n");
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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88 return(ERROR_TARGET);
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parents: 912
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89 }
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90 if (rvi_msg[4] != TMCORE_OPC_MEM || rvi_msg[5] != 0x02) {
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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91 printf("error: mem read 16 response has wrong opcode\n");
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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92 return(ERROR_TARGET);
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parents: 912
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93 }
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94 bcopy(rvi_msg + 6, databuf, nwords * 2);
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 912
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95 return(0);
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96 }
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97
912
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98 do_dieid_read(databuf)
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99 u_char *databuf;
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100 {
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101 u_char cmdpkt[4];
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102 int rc;
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103
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104 cmdpkt[1] = ETM_CORE;
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105 cmdpkt[2] = TMCORE_OPC_DIEID;
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106 rc = etm_pkt_exch(cmdpkt, 2);
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107 if (rc)
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108 return(rc);
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109 if (rvi_msg[3]) {
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110 printf("ETM error response to die ID read request: 0x%02X\n",
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111 rvi_msg[3]);
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112 return(ERROR_TARGET);
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113 }
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114 if (rvi_msg_len != 14) {
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115 printf("error: die ID read response has wrong length\n");
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116 return(ERROR_TARGET);
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117 }
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118 if (rvi_msg[4] != TMCORE_OPC_DIEID) {
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119 printf("error: die ID read response has wrong opcode\n");
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120 return(ERROR_TARGET);
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121 }
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122 bcopy(rvi_msg + 5, databuf, 8);
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123 return(0);
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124 }