Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / tools / src / nas,5.n2.os.2 / pfe / Pfe_Shell.py

import os
import sys
import atexit
import readline
import Pfe_Version

from optparse   import OptionParser, Option, OptionValueError
from string     import join
from copy       import copy
from Pfe_Slicer import Slicer


def history(name):
 histfile = os.path.join(os.environ["HOME"],name)
 try:
   readline.read_history_file(histfile)
   atexit.register(readline.write_history_file, histfile)
 except IOError:
   pass


def check_slice(option,opt,value):
 for s in value.split(','):
   try:
     eval('slice('+join(s.split(':'),',')+')')
   except NameError, ValueError:
     raise OptionValueError("option %s: invalid slice: %r" % (opt, value))
 return value


class SliceOption (Option):
 TYPES = Option.TYPES + ("slice",)
 TYPE_CHECKER = copy(Option.TYPE_CHECKER)
 TYPE_CHECKER["slice"] = check_slice


opts = None
args = []       # The script files to execute
argv = []       # The arguments after -- 

def options(prog):
 argv_parser = OptionParser(usage="usage: "+prog+" [options]",
                            version=Pfe_Version.version(),
                            option_class=SliceOption)
 argv_parser.disable_interspersed_args()

 argv_parser.add_option(
   "-i","--interactive",
   action="store_true",dest="interactive",default=False,
   help="switch to interactive (inspect) mode")
   
 #argv_parser.add_option(
   #"-f","--file",
   #action="append",type="string",dest="file",default=[],
   #metavar="FILE",help="load one or more elf or memory image files")

 argv_parser.add_option(
   "-l","--lstmode",
   action="store_true",dest="lstmode",default=False,
   help="switch to lstmode, default is runmode")
   
 #argv_parser.add_option(
   #"-n","--steps",
   #action="store",type="int",dest="steps",
   #metavar="STEPS",help="step the simulator STEPS instructions per strand")

 #argv_parser.add_option(
   #"-a","--available",
   #action="store",type="slice",dest="available",default="0",
   #metavar="SLICE",help="CMP: Make the SLICE of strands available for stepping (default=0)")

 #argv_parser.add_option(
   #"-e","--enable",
   #action="store",type="slice",dest="enable",default="0",
   #metavar="SLICE",help="CMP: Set the SLICE of strands to enabled for stepping (default=0)")

 #argv_parser.add_option(
   #"-r","--running",
   #action="store",type="slice",dest="running",default="0",
   #metavar="SLICE",help="CMP: Put the SLICE of strands in running mode for stepping (default=0)")

 #argv_parser.add_option(
   #"-s","--stepping",
   #action="store",type="slice",dest="stepping",default="0",
   #metavar="SLICE",help="Enable the SLICE of strands for stepping (default=0)")

 global opts
 global args
 global argv

 (opts,args_argv) = argv_parser.parse_args()

 # Split the file arguments around the '--' if it is present.
 # There is one problem "-- no pyfile" fails, while
 # "pyfile -- no pyfile" succeeds. Awel, that;'s not a big 
 # issue as anything after '--' is means for the pyfile anyways.

 while args_argv:
   arg = args_argv[0]
   if arg == '--':
     argv = args_argv[1:]
     break
   else:
     args.append(arg)
     del args_argv[0]


def setup(sim):
 global opts
 global args

 #for strand in eval('Slicer(sim.s)['+opts.available+']'):
   #strand.available()
 #for strand in eval('Slicer(sim.s)['+opts.enable+']'):
   #strand.enable()
 #for strand in eval('Slicer(sim.s)['+opts.running+']'):
   #strand.running()
 #for strand in eval('Slicer(sim.s)['+opts.stepping+']'):
   #strand.stepping()

 #for file in opts.file:
   #sim.mem.load(file)

 for strand in sim.s:
   strand.lstmode(opts.lstmode and 1 or 0)

 if opts.interactive or len(args) == 0:
   os.environ['PYTHONINSPECT'] = 'x'