FreeCalypso > hg > freecalypso-tools
annotate rvinterf/rvtat/interf.c @ 505:7bf0d909c87e
fc-loadtool flash ID check: change of reset after the check logic
This change only affects those flash configurations that have ID checks
enabled. The logic for resetting the flash after the ID check has been
changed as follows:
1) If the check fails, we return without attempting to reset the flash.
2) If the check is successful, we reset the flash using the configured
method (could be AMD or Intel or Intel W30) instead of always doing an
AMD flash reset as the original code did.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 27 May 2019 19:58:01 +0000 |
parents | 99471c57155a |
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rev | line source |
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0
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1 /* |
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2 * In this module we implement our synchronous interface to the target |
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3 * via rvinterf. |
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4 */ |
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5 |
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6 #include <sys/types.h> |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 #include <unistd.h> |
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10 #include "limits.h" |
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11 #include "localsock.h" |
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12 #include "pktmux.h" |
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13 #include "exitcodes.h" |
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14 |
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15 extern int sock; |
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16 |
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17 int rx_enable_state; |
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18 u_char rvi_msg[LOCALSOCK_MAX_MSG]; |
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19 int rvi_msg_len; |
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20 |
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21 static void |
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22 collect_bytes_from_rvi(buf, nbytes) |
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23 u_char *buf; |
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24 { |
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25 int cc; |
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26 |
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27 while (nbytes) { |
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28 cc = read(sock, buf, nbytes); |
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29 if (cc <= 0) { |
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30 perror("read from rvinterf socket"); |
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31 exit(ERROR_RVINTERF); |
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32 } |
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33 buf += cc; |
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34 nbytes -= cc; |
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35 } |
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36 } |
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37 |
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38 collect_rvi_msg() |
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39 { |
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40 u_char lenbuf[2]; |
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41 |
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42 collect_bytes_from_rvi(lenbuf, 2); |
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43 rvi_msg_len = lenbuf[0] << 8 | lenbuf[1]; |
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44 if (rvi_msg_len < 1 || rvi_msg_len > LOCALSOCK_MAX_MSG) { |
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45 fprintf(stderr, "Invalid length from rvinterf: %02X%02X\n", |
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46 lenbuf[0], lenbuf[1]); |
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47 exit(ERROR_RVINTERF); |
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48 } |
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49 collect_bytes_from_rvi(rvi_msg, rvi_msg_len); |
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50 return(0); |
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51 } |
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52 |
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53 send_rvimisc_command(cmdpkt, cmdlen) |
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54 u_char *cmdpkt; |
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55 { |
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56 u_char lenbuf[2]; |
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57 |
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58 lenbuf[0] = 0; |
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59 lenbuf[1] = cmdlen; |
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60 write(sock, lenbuf, 2); |
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61 write(sock, cmdpkt, cmdlen); |
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62 } |
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63 |
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64 rx_control(enable) |
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65 { |
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66 u_char cmdpkt[2]; |
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67 int cmdlen; |
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68 |
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69 /* are we already in the desired state? */ |
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70 if (rx_enable_state == enable) |
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71 return(0); |
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72 /* no, do the work */ |
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73 if (enable) { |
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74 cmdpkt[0] = CLI2RVI_WANT_MUXPROTO; |
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75 cmdpkt[1] = RVT_AT_HEADER; |
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76 cmdlen = 2; |
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77 } else { |
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78 cmdpkt[0] = CLI2RVI_RESET_PACKET_RX; |
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79 cmdlen = 1; |
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80 } |
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81 send_rvimisc_command(cmdpkt, cmdlen); |
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82 collect_rvi_msg(); |
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83 if (rvi_msg[0] != RVI2CLI_LOCAL_CMD_RESP || rvi_msg_len < 2) { |
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84 fprintf(stderr, |
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85 "error: unexpected response to rvinterf local command\n"); |
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86 exit(ERROR_RVINTERF); |
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87 } |
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88 if (rvi_msg[1] != '+') { |
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89 fprintf(stderr, "Error from rvinterf: %.*s\n", rvi_msg_len - 1, |
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90 rvi_msg + 1); |
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91 exit(ERROR_RVINTERF); |
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92 } |
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93 rx_enable_state = enable; |
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94 return(0); |
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95 } |
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96 |
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97 send_pkt_to_target(pkt, pktlen) |
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98 u_char *pkt; |
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99 { |
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100 u_char hdrbuf[3]; |
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101 int len1; |
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102 |
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103 len1 = pktlen + 1; |
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104 hdrbuf[0] = len1 >> 8; |
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105 hdrbuf[1] = len1 & 0xFF; |
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106 hdrbuf[2] = CLI2RVI_PKT_TO_TARGET; |
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107 write(sock, hdrbuf, 3); |
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108 write(sock, pkt, pktlen); |
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109 } |
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110 |
346
99471c57155a
fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
0
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111 collect_pkt_from_target() |
0
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112 { |
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parents:
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113 collect_rvi_msg(); |
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114 if (rvi_msg[0] != RVI2CLI_PKT_FROM_TARGET) { |
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115 fprintf(stderr, |
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116 "error: unexpected response type from rvinterf\n"); |
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parents:
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117 exit(ERROR_RVINTERF); |
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118 } |
346
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119 if (rvi_msg_len < 2) { |
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120 fprintf(stderr, "error: packet from target is null\n"); |
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121 exit(ERROR_RVINTERF); |
0
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122 } |
346
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parents:
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123 if (rvi_msg[1] != RVT_AT_HEADER) { |
99471c57155a
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Mychaela Falconia <falcon@freecalypso.org>
parents:
0
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124 fprintf(stderr, |
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125 "error: packet from target is not on ATI channel\n"); |
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Mychaela Falconia <falcon@freecalypso.org>
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0
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126 exit(ERROR_RVINTERF); |
0
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127 } |
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parents:
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128 return(0); |
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129 } |