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# 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 } {
    global tool_root_dir;
    global SIM

    if [info exists SIM] {
        return $SIM
    }

    if [is_remote host] {
        if ![board_info host exists no_transform_name] {
            return ${target_alias}-${sim_name};
        } else {
            return ${sim_name};
        }
    }

    # We have to search because tool_root_dir may actually point to that blasted
    # "target" subdirectory.
    set try [lookfor_file ${tool_root_dir} sim/${sim_dir}/${sim_name}];
    if { $try != "" } {
        return $try;
    }
    return ${target_alias}-${sim_name};
}

proc setup_sim { subdir_name } {
    global target_alias;
    global tool_root_dir;
    global board;

    if [info exists target_alias] {
        set tmp $target_alias;
    } else {
        if [board_info $board exists target_install] {
            set tmp [lindex [board_info $board target_install] 0];
        }
    }

    if ![board_info $board exists sim] {
        set_board_info sim [find_sim $tmp $subdir_name run];
    }

    verbose "Using simulator [board_info $board sim]\n"
}

set_board_info is_simulator 1;