class CPU (Stager):
def __init__(self, configuration):
super(CPU, self).__init__(configuration)
self._name = "CPU"
for key in configuration:
if key == 'TraceFile':
self.trace_file = configuration['TraceFile']
self.open_trace()
def open_trace(self):
try:
# Check trace file for syntax errors
self.trace = trazas_sanitizer.main(self.trace_file)
# Set trace pointer to first event in the trace
self.line = 0
except AttributeError:
raise Exception("The CPU module does not have a TraceFile")
def stages(self):
return 2
def finished(self):
# Return true if there is no more events in the trace file
if hasattr(self, 'gui'):
return self.line == self.gui.get_line_count()
else:
return self.line == len(self.trace)
def make_viewer(self, parent):
self.gui = CPU_Viewer(parent, self)
self.trace = ''
return self.gui
def reset(self):
self.line = 0
def get_next_request(self):
if hasattr(self, 'gui'):
return self.gui.get_line(self.line)
else:
return self.trace[self.line]
def exe(self):
if self.stage == 0:
# Read load/store event from trace file and send up the memory hierarchy
print "Sending request to " + self.up._name
self.up.set_request(TraceLine.from_string(self.get_next_request()))
# self.up.set_request(Request(self.get_next_request()))
# self.up.set_request(Request('S',0,length=1,data=[30]))
# self.up.set_request(Request('S',16,length=1,data=[31]))
# self.up.set_request(Request('S',8,length=1,data=[32]))
# self.up.set_request(Request('S',255,length=1,data=[33]))
# self.up.set_request(Request('D','S',16,length=4,data=[33,34,35,36]))
# self.up.set_request(Request('I','L',0x00001233))
# returning stage position
return super(CPU, self).exe()
else:
# Execute next module in memory hierarchy
if self.up.exe():
# If next module has finished processing, increment trace pointer
self.line = self.line + 1
return super(CPU, self).exe()
def make_viewer(self, parent):
self.gui = CPU_Viewer(parent, self)
self.trace = ''
return self.gui
