OpenWrt – Blame information for rev 3
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Rev | Author | Line No. | Line |
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1 | office | 1 | #!/bin/sh |
2 | # Copyright (C) 2006-2010 OpenWrt.org |
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3 | # Copyright (C) 2010 Vertical Communications |
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4 | |||
5 | fs_wait_for_key () { |
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6 | local timeout=$3 |
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7 | local timer |
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8 | local do_keypress |
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9 | local keypress_true="$(mktemp)" |
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10 | local keypress_wait="$(mktemp)" |
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11 | local keypress_sec="$(mktemp)" |
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12 | if [ -z "$keypress_wait" ]; then |
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13 | keypress_wait=/tmp/.keypress_wait |
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14 | touch $keypress_wait |
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15 | fi |
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16 | if [ -z "$keypress_true" ]; then |
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17 | keypress_true=/tmp/.keypress_true |
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18 | touch $keypress_true |
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19 | fi |
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20 | if [ -z "$keypress_sec" ]; then |
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21 | keypress_sec=/tmp/.keypress_sec |
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22 | touch $keypress_sec |
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23 | fi |
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24 | |||
25 | trap "echo 'true' >$keypress_true; lock -u $keypress_wait ; rm -f $keypress_wait" INT |
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26 | trap "echo 'true' >$keypress_true; lock -u $keypress_wait ; rm -f $keypress_wait" USR1 |
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27 | |||
28 | [ -n "$timeout" ] || timeout=1 |
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29 | [ $timeout -ge 1 ] || timeout=1 |
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30 | timer=$timeout |
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31 | lock $keypress_wait |
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32 | { |
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33 | while [ $timer -gt 0 ]; do |
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34 | echo "$timer" >$keypress_sec |
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35 | timer=$(($timer - 1)) |
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36 | sleep 1 |
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37 | done |
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38 | lock -u $keypress_wait |
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39 | rm -f $keypress_wait |
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40 | } & |
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41 | |||
42 | [ "$pi_preinit_no_failsafe" != "y" ] && echo "Press the [$1] key and hit [enter] $2" |
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43 | echo "Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level" |
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44 | # if we're on the console we wait for input |
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45 | { |
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46 | while [ -r $keypress_wait ]; do |
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47 | timer="$(cat $keypress_sec)" |
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48 | |||
49 | [ -n "$timer" ] || timer=1 |
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50 | timer="${timer%%\ *}" |
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51 | [ $timer -ge 1 ] || timer=1 |
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52 | do_keypress="" |
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53 | { |
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54 | read -t "$timer" do_keypress |
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55 | case "$do_keypress" in |
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56 | $1) |
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57 | echo "true" >$keypress_true |
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58 | ;; |
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59 | 1 | 2 | 3 | 4) |
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60 | echo "$do_keypress" >/tmp/debug_level |
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61 | ;; |
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62 | *) |
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63 | continue; |
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64 | ;; |
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65 | esac |
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66 | lock -u $keypress_wait |
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67 | rm -f $keypress_wait |
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68 | } |
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69 | done |
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70 | } |
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71 | lock -w $keypress_wait |
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72 | |||
73 | keypressed=1 |
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74 | [ "$(cat $keypress_true)" = "true" ] && keypressed=0 |
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75 | |||
76 | rm -f $keypress_true |
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77 | rm -f $keypress_wait |
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78 | rm -f $keypress_sec |
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79 | |||
80 | return $keypressed |
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81 | } |
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82 | |||
83 | failsafe_wait() { |
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84 | FAILSAFE= |
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3 | office | 85 | [ "$pi_preinit_no_failsafe" == "y" ] && { |
1 | office | 86 | fs_wait_for_key "" "" $fs_failsafe_wait_timeout |
87 | return |
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88 | } |
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89 | grep -q 'failsafe=' /proc/cmdline && FAILSAFE=true && export FAILSAFE |
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90 | if [ "$FAILSAFE" != "true" ]; then |
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91 | pi_failsafe_net_message=true |
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92 | preinit_net_echo "Please press button now to enter failsafe" |
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93 | pi_failsafe_net_message=false |
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94 | fs_wait_for_key f 'to enter failsafe mode' $fs_failsafe_wait_timeout && FAILSAFE=true |
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95 | [ -f "/tmp/failsafe_button" ] && FAILSAFE=true && echo "- failsafe button "`cat /tmp/failsafe_button`" was pressed -" |
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96 | [ "$FAILSAFE" = "true" ] && export FAILSAFE && touch /tmp/failsafe |
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97 | fi |
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98 | } |
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99 | |||
100 | boot_hook_add preinit_main failsafe_wait |