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# This is a HACKED version of mcore-sim.exp that is intended to
# support running tests on Motorola's proprietry MCore simulator.

# It is quite likely that thia file will need to be modified in
# order for you to use Motorola's simulator.

# This is a list of toolchains that are supported on this board.
set_board_info target_install {mcore-elf, mcore-pe}

# Do general config stuff but do not load anything.  "jim" was
# chosen because it does not exist.
load_generic_config "jim"

process_multilib_options ""

# We only support newlib on this target. We assume that all multilib
# options have been specified before we get here.
set_board_info compiler  "[find_gcc]"
set_board_info cflags    "[libgloss_include_flags] [newlib_include_flags]"
set_board_info ldflags   "[libgloss_link_flags] [newlib_link_flags]"

# No linker script needed.
set_board_info ldscript "";

# The simulator doesn't return exit statuses and we need to indicate this;
# the standard GCC wrapper will work with this target.
set_board_info needs_status_wrapper  1

# Doesn't pass arguments or signals, can't return results, and doesn't
# do inferiorio.
set_board_info noargs 1
set_board_info gdb,nosignals 1
set_board_info gdb,noresults 1
set_board_info gdb,noinferiorio 1

# Rather than include the normal simulator support files,
# their functions are reproduced (and modified) here.
# --------------------------------------------------------------
proc sim_spawn { dest cmdline args } {

    # Choose whoch simulator to run
    ## XXX - fixme - this should be automatic based on the
    ## multilib option.
    ## XXX - fixme - this should not be hardcoded.
    set sim "/home/nickc/bin/linux/sim-be"
#   set sim "/home/nickc/bin/linux/sim-le"

    set simflags "-m abi"

    # Create a script to run the program
    set handle [open doit w]
    puts $handle "load $cmdline"
    puts $handle "reset"
    puts $handle "g 28"
    puts $handle "quit"
    close $handle
    
    return [eval remote_spawn host \{ $sim $simflags "-sdoit" \} $args];
}

proc sim_wait { dest timeout } {
    return [remote_wait host $timeout];
}

proc sim_load { dest prog args } {

    if ![file exists $prog] then {
        perror "sim.exp: $prog to be downloaded does not exist."
        verbose -log "$prog to be downloaded does not exist." 3
        return [list "untested" ""];
    }

    set sim_time_limit 240

    set output "";

    set res [remote_spawn target "${prog}"];

    if { $res <= 0 } {
        return [list "fail" "remote_spawn failed"];
    }

    set state [remote_wait target $sim_time_limit];
    set status [lindex $state 0];
    set output [lindex $state 1];
    verbose "Output is $output";

    set status2 [check_for_board_status output];
    if { $status2 >= 0 } {
        set status $status2
    }

    # FIXME: Do we need to examine $status?
    # Yes, we do--what if the simulator itself gets an error and coredumps?

    verbose "Return status was: $status" 2
    if { $status == 0 } {
        set result "pass"
    } else {
        set result "fail"
    }
    return [list $result $output];
}

set_board_info protocol  "sim";

# By default, assume the simulator is slow.  This causes some tests
# to either be simplified or skipped completely.
set_board_info slow_simulator 1

# -----------------------------------------------------------
# find_sim -- find a usable simulator
# This proc is local to this file and is used to locate a simulator to use.
# First we see if SIM=foo was specified on the command line.
# Otherwise we search the build tree, then $PATH.

proc find_sim { target_alias sim_dir sim_name } {

    ## XXX - fixme - this should not be hardcoded.
    ## XXX - fixme - this should vary depending upon endianism selected.
    
    return "/home/nickc/bin/linux/sim-be";
}

set_board_info is_simulator 1;