Move verify into a module. Make characterizer a module. Move exe searching to modules.

compiler/verify/__init__.py

@@ -0,0 +1,60 @@
+"""
+This is a module that will import the correct DRC/LVS/PEX 
+module based on what tools are found. It is a layer of indirection
+to enable multiple verification tool support.
+
+Each DRC/LVS/PEX tool should implement the functions run_drc, run_lvs, and
+run_pex, repsectively. If there is an error, they should abort and report the errors.
+If not, OpenRAM will continue as if nothing happened!
+"""
+
+import os
+import debug
+from globals import OPTS,find_exe,get_tool
+
+
+debug.info(2,"Initializing verify...")
+
+if not OPTS.check_lvsdrc:
+    debug.info(1,"LVS/DRC/PEX disabled.")
+    drc_exe = None
+    lvs_exe = None
+    pex_exe = None
+else:
+    drc_exe = get_tool("DRC",["calibre","assura","magic"])
+    lvs_exe = get_tool("LVS",["calibre","assura","netgen"])
+    pex_exe = get_tool("PEX",["calibre","magic"])
+
+
+if drc_exe == None:
+    pass
+elif "calibre" in drc_exe:
+    from calibre import run_drc
+elif "assura" in drc_exe:
+    from assura import run_drc
+elif "magic" in drc_exe:
+    from magic import run_drc
+else:
+    debug.warning("Did not find a supported DRC tool.")
+
+if lvs_exe == None:
+    pass
+elif "calibre" in lvs_exe:
+    from calibre import run_lvs
+elif "assura" in lvs_exe:
+    from assura import run_lvs
+elif "netgen" in lvs_exe:
+    from magic import run_lvs
+else:
+    debug.warning("Did not find a supported LVS tool.")
+
+
+if pex_exe == None:
+    pass
+elif "calibre" in pex_exe:
+    from calibre import run_pex
+elif "magic" in pex_exe:
+    from magic import run_pex
+else:
+    debug.warning("Did not find a supported PEX tool.")
+