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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;
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