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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";
        }

        expect {

            $matchstr {
                # String to match. Silently accept. Do first, so we can match
                # specific warnings or errors if desired
            }

            -re "Warning" {
                fail "$testname: warning: $expect_out(buffer)";
                return
            }

            -re "ERROR" {
                fail "$testname: error: $expect_out(buffer)";
                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