config/sim.exp

   1 # Copyright (C) 1993 - 2001 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-dejagnu@gnu.org
  19
  20 #
  21 # sim_load -- load the program and execute it
  22 #
  23 # See default.exp for explanation of arguments and results.
  24 #
  25
  26 proc sim_spawn { dest cmdline args } {
  27     if ![board_info $dest exists sim] {
  28         perror "no simulator defined for [board_info $dest name]"
  29         exit 1
  30     } else {
  31         set sim [board_info $dest sim];
  32     }
  33
  34     if [board_info $dest exists sim,options] {
  35         set simflags [board_info $dest sim,options]
  36     } else {
  37         set simflags ""
  38     }
  39
  40     if ![is_remote host] {
  41         if { [which $sim] == 0 } {
  42             verbose -log "Simulator $sim missing." 3
  43             return -1;
  44         }
  45     }
  46
  47     if [is_remote host] {
  48         # download the program to remote.
  49         # we're assuming the program is the first word in the command.
  50         # FIXME: "prog < infile" won't work until we download infile.
  51         set prog [lindex $cmdline 0]
  52         set prog [remote_download host $prog a.out];
  53         set cmdline [lreplace $cmdline 0 0 $prog]
  54     }
  55
  56     return [eval remote_spawn host \{ $sim $simflags $cmdline \} $args];
  57 }
  58
  59 proc sim_wait { dest timeout } {
  60     return [remote_wait host $timeout];
  61 }
  62
  63 proc sim_load { dest prog args } {
  64     set inpfile ""
  65     if { [llength $args] > 1 } {
  66         if { [lindex $args 1] != "" } {
  67             set inpfile "[lindex $args 1]"
  68         }
  69     }
  70
  71     if ![file exists $prog] then {
  72         perror "sim.exp: $prog to be downloaded does not exist."
  73         verbose -log "$prog to be downloaded does not exist." 3
  74         return [list "untested" ""];
  75     }
  76
  77     if [board_info $dest exists sim_time_limit] {
  78         set sim_time_limit [board_info $dest sim_time_limit];
  79     } else {
  80         set sim_time_limit 240
  81     }
  82
  83     set output "";
  84
  85     # Run the program with a limited amount of real time. While
  86     # this isn't as nice as limiting the amount of CPU time, it
  87     # will have to do.
  88     if { $inpfile != "" } {
  89         set res [remote_spawn target "${prog} < $inpfile" "readonly"];
  90     } else {
  91         set res [remote_spawn target "${prog}"];
  92     }
  93
  94     if { $res <= 0 } {
  95         return [list "fail" "remote_spawn failed"];
  96     }
  97
  98     set state [remote_wait target $sim_time_limit];
  99     set status [lindex $state 0];
 100     set output [lindex $state 1];
 101     verbose "Output is $output";
 102
 103     set status2 [check_for_board_status output];
 104     if { $status2 >= 0 } {
 105         set status $status2
 106     }
 107
 108     # FIXME: Do we need to examine $status?
 109     # Yes, we do--what if the simulator itself gets an error and coredumps?
 110
 111     verbose "Return status was: $status" 2
 112     if { $status == 0 } {
 113         set result "pass"
 114     } else {
 115         set result "fail"
 116     }
 117     return [list $result $output];
 118 }
 119
 120 set_board_info protocol  "sim";
 121
 122 # By default, assume the simulator is slow.  This causes some tests
 123 # to either be simplified or skipped completely.
 124 set_board_info slow_simulator 1