FreeCalypso > hg > freecalypso-tools
annotate rvinterf/libasync/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 | 09b4fd9b3827 |
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rev | line source |
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0
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1 /* |
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2 * This module implements the link to rvinterf. |
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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 <unistd.h> |
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9 #include "localsock.h" |
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10 #include "exitcodes.h" |
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11 |
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12 extern int sock; |
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13 |
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14 u_char rvi_msg[LOCALSOCK_MAX_MSG]; |
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15 int rvi_msg_len; |
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16 |
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17 static int rx_state, rx_left; |
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18 static u_char *rx_ptr; |
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19 |
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20 void |
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21 localsock_prep_for_length_rx() |
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22 { |
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23 rx_state = 0; |
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24 rx_ptr = rvi_msg; |
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25 rx_left = 2; |
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26 } |
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27 |
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28 static void |
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29 prep_for_message_rx() |
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30 { |
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31 rx_state = 1; |
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32 rx_ptr = rvi_msg; |
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33 rx_left = rvi_msg_len; |
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34 } |
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35 |
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36 void |
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37 process_msg_from_rvinterf() |
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38 { |
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39 switch (rvi_msg[0]) { |
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40 case RVI2CLI_PKT_FROM_TARGET: |
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41 process_pkt_from_target(); |
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42 return; |
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43 case RVI2CLI_LOCAL_CMD_RESP: |
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44 if (rvi_msg_len < 2) |
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45 goto bad; |
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46 if (rvi_msg[1] == '+') |
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47 return; |
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48 tty_cleanup(); |
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49 fprintf(stderr, "Error from rvinterf: %.*s\n", rvi_msg_len - 1, |
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50 rvi_msg + 1); |
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51 exit(ERROR_RVINTERF); |
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52 default: |
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53 bad: |
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54 tty_cleanup(); |
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55 fprintf(stderr, |
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56 "Error: unexpected message type %02X from rvinterf\n", |
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57 rvi_msg[0]); |
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58 exit(ERROR_RVINTERF); |
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59 } |
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60 } |
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61 |
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62 void |
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63 handle_rvinterf_input() |
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64 { |
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65 int cc; |
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66 |
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67 cc = read(sock, rx_ptr, rx_left); |
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68 if (cc <= 0) { |
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69 tty_cleanup(); |
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70 perror("read from rvinterf socket"); |
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71 exit(ERROR_RVINTERF); |
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72 } |
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73 rx_ptr += cc; |
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74 rx_left -= cc; |
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75 if (rx_left) |
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76 return; |
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77 /* got the thing, process it */ |
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78 if (rx_state) { |
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79 process_msg_from_rvinterf(); |
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80 localsock_prep_for_length_rx(); |
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81 } else { |
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82 rvi_msg_len = rvi_msg[0] << 8 | rvi_msg[1]; |
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83 if (rvi_msg_len < 1 || rvi_msg_len > LOCALSOCK_MAX_MSG) { |
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84 tty_cleanup(); |
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85 fprintf(stderr, |
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86 "Invalid length from rvinterf: %02X%02X\n", |
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87 rvi_msg[0], rvi_msg[1]); |
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88 exit(ERROR_RVINTERF); |
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89 } |
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90 prep_for_message_rx(); |
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91 } |
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92 } |
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93 |
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94 void |
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95 send_pkt_to_target(pkt, pktlen) |
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96 u_char *pkt; |
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97 { |
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98 u_char hdrbuf[3]; |
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99 int len1; |
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100 |
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101 len1 = pktlen + 1; |
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102 hdrbuf[0] = len1 >> 8; |
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103 hdrbuf[1] = len1 & 0xFF; |
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104 hdrbuf[2] = CLI2RVI_PKT_TO_TARGET; |
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105 write(sock, hdrbuf, 3); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
106 write(sock, pkt, pktlen); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 } |