gem5/src/mem/ruby/system/Sequencer.py
Nilay Vaish c061819890 ruby: remove the functional copy of memory in se mode
This patch removes the functional copy of the memory that was maintained in
the se mode. Now ruby itself will provide the data.
2013-03-06 21:53:57 -06:00

71 lines
3 KiB
Python

# Copyright (c) 2009 Advanced Micro Devices, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Steve Reinhardt
# Brad Beckmann
from m5.params import *
from m5.proxy import *
from MemObject import MemObject
class RubyPort(MemObject):
type = 'RubyPort'
abstract = True
cxx_header = "mem/ruby/system/RubyPort.hh"
slave = VectorSlavePort("CPU slave port")
master = VectorMasterPort("CPU master port")
version = Param.Int(0, "")
pio_port = MasterPort("Ruby_pio_port")
using_ruby_tester = Param.Bool(False, "")
using_network_tester = Param.Bool(False, "")
access_phys_mem = Param.Bool(False,
"should the rubyport atomically update phys_mem")
ruby_system = Param.RubySystem("")
system = Param.System(Parent.any, "system object")
support_data_reqs = Param.Bool(True, "data cache requests supported")
support_inst_reqs = Param.Bool(True, "inst cache requests supported")
class RubyPortProxy(RubyPort):
type = 'RubyPortProxy'
cxx_header = "mem/ruby/system/RubyPortProxy.hh"
access_phys_mem = True
class RubySequencer(RubyPort):
type = 'RubySequencer'
cxx_class = 'Sequencer'
cxx_header = "mem/ruby/system/Sequencer.hh"
icache = Param.RubyCache("")
dcache = Param.RubyCache("")
max_outstanding_requests = Param.Int(16,
"max requests (incl. prefetches) outstanding")
deadlock_threshold = Param.Cycles(500000,
"max outstanding cycles for a request before deadlock/livelock declared")
class DMASequencer(RubyPort):
type = 'DMASequencer'
cxx_header = "mem/ruby/system/DMASequencer.hh"
access_phys_mem = True