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[/] [openrisc/] [trunk/] [or1ksim/] [testsuite/] [lib/] [libsim.exp] - Rev 257

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# Or1ksim library expect test functions for use with DejaGNU under automake

# Copyright (C) 2010 Embecosm Limited

# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

# This file is part of OpenRISC 1000 Architectural Simulator.

# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3 of the License, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.

# You should have received a copy of the GNU General Public License along
# with this program.  If not, see <http:#www.gnu.org/licenses/>.  */

# -----------------------------------------------------------------------------
# This code is commented throughout for use with Doxygen.
# -----------------------------------------------------------------------------


# -----------------------------------------------------------------------------
#! Run a libor1ksim program with the supplied config_file and target program.
#
#! @param[in] testname    The name of the test
#! @param[in] match_list  A list of expected responses
#! @param[in] libprog     The libor1ksim program
#! @param[in] config      The or1ksim config file to use
#! @param[in] or1kprog    The program image to use on libprog
#! @param[in] args        Any other arguments
# -----------------------------------------------------------------------------
proc run_libsim { testname match_list libprog config or1kprog args } {
    global verbose
    global srcdir
    global objdir

    # Construct the config filename or use the default
    if {0 == [string length $config]} {
        set config "default.cfg";
    }

    set libprog_name  "$objdir/test-code/$libprog"
    set config_name   "$srcdir/libsim.tests/$config";
    set or1kprog_name "$objdir/test-code-or1k/$or1kprog"

    set command_line "$libprog_name $config_name $or1kprog_name $args"

    if { $verbose > 1 } {
        send_user "starting $command_line\n"
    }

    # Run the program.
    eval "spawn $command_line"

    # Try each matchstr in turn, counting the lines for error reporting
    set match_line 0;

    foreach matchstr $match_list {

        set match_line [expr {$match_line + 1}];

        if { $verbose > 2 } {
            send_user "matching |$matchstr|\n";
        }

        # The matching is slightly tricky. In general we want to find warnings
        # or errors. However expect will look at the entire buffer, so if we
        # have the match string *after* an error or warning message, then the
        # match will still work OK.

        # The trick is to do some post-processing of the matched buffer to see
        # if there was a preceding Warning or ERROR message.

        expect {
            $matchstr {
                set matchlen [string length $matchstr]
                set buflen [string length $expect_out(buffer)]
                set lastch [expr {$buflen - $matchlen}]
                set prefix [string range $expect_out(buffer) 0 $lastch]

                if { [string match *ERROR* $prefix] } {
                    # We skipped an error
                    fail "$testname: ERROR seeking match line $match_line";
                    return
                } elseif { [string match *Warning* $prefix] } {
                    # We skipped a warning
                    fail "$testname: Warning seeking match line $match_line";
                    return;
                }

                # Otherwise silently match
            }
            
            ERROR {
                # An error other than the one we seek
                fail "$testname: ERROR seeking match line $match_line";
                return
            }
            
            Warning {
                # Any warning
                fail "$testname: Warning seeking match line $match_line";
                return;
            }
            
            eof {
                fail "$testname: hit EOF seeking match line $match_line";
                return
            }
            
            timeout {
                perror "Timeout";
                unresolved "$testname: timeout";
                return
            }
        }
    }

    # If we get here we've passed
    pass $testname;

}

# Timeout 3 seconds is plenty as default
set timeout 3

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