Sequencer.py revision 8932
112838Sgabeblack@google.com# Copyright (c) 2009 Advanced Micro Devices, Inc. 212838Sgabeblack@google.com# All rights reserved. 312838Sgabeblack@google.com# 412838Sgabeblack@google.com# Redistribution and use in source and binary forms, with or without 512838Sgabeblack@google.com# modification, are permitted provided that the following conditions are 612838Sgabeblack@google.com# met: redistributions of source code must retain the above copyright 712838Sgabeblack@google.com# notice, this list of conditions and the following disclaimer; 812838Sgabeblack@google.com# redistributions in binary form must reproduce the above copyright 912838Sgabeblack@google.com# notice, this list of conditions and the following disclaimer in the 1012838Sgabeblack@google.com# documentation and/or other materials provided with the distribution; 1112838Sgabeblack@google.com# neither the name of the copyright holders nor the names of its 1212838Sgabeblack@google.com# contributors may be used to endorse or promote products derived from 1312838Sgabeblack@google.com# this software without specific prior written permission. 1412838Sgabeblack@google.com# 1512838Sgabeblack@google.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612838Sgabeblack@google.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712838Sgabeblack@google.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812838Sgabeblack@google.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912838Sgabeblack@google.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012838Sgabeblack@google.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112838Sgabeblack@google.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212838Sgabeblack@google.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312838Sgabeblack@google.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412838Sgabeblack@google.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512838Sgabeblack@google.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612838Sgabeblack@google.com# 2712838Sgabeblack@google.com# Authors: Steve Reinhardt 2812838Sgabeblack@google.com# Brad Beckmann 2912838Sgabeblack@google.com 3012838Sgabeblack@google.comfrom m5.params import * 3112952Sgabeblack@google.comfrom m5.proxy import * 3212838Sgabeblack@google.comfrom MemObject import MemObject 3312838Sgabeblack@google.com 3412838Sgabeblack@google.comclass RubyPort(MemObject): 3512838Sgabeblack@google.com type = 'RubyPort' 3612838Sgabeblack@google.com abstract = True 3712838Sgabeblack@google.com slave = VectorSlavePort("CPU slave port") 3812838Sgabeblack@google.com master = VectorMasterPort("CPU master port") 3912838Sgabeblack@google.com version = Param.Int(0, "") 4012952Sgabeblack@google.com pio_port = MasterPort("Ruby_pio_port") 4112838Sgabeblack@google.com using_ruby_tester = Param.Bool(False, "") 4212838Sgabeblack@google.com using_network_tester = Param.Bool(False, "") 4312838Sgabeblack@google.com access_phys_mem = Param.Bool(True, 4412838Sgabeblack@google.com "should the rubyport atomically update phys_mem") 4512838Sgabeblack@google.com ruby_system = Param.RubySystem("") 4612952Sgabeblack@google.com system = Param.System(Parent.any, "system object") 4712838Sgabeblack@google.com support_data_reqs = Param.Bool(True, "data cache requests supported") 4812838Sgabeblack@google.com support_inst_reqs = Param.Bool(True, "inst cache requests supported") 4912952Sgabeblack@google.com 5012952Sgabeblack@google.com 5112952Sgabeblack@google.comclass RubyPortProxy(RubyPort): 5212838Sgabeblack@google.com type = 'RubyPortProxy' 5312838Sgabeblack@google.com 5412939Sgabeblack@google.comclass RubySequencer(RubyPort): 5512939Sgabeblack@google.com type = 'RubySequencer' 5612939Sgabeblack@google.com cxx_class = 'Sequencer' 5712939Sgabeblack@google.com icache = Param.RubyCache("") 5812939Sgabeblack@google.com dcache = Param.RubyCache("") 5912939Sgabeblack@google.com max_outstanding_requests = Param.Int(16, 6012939Sgabeblack@google.com "max requests (incl. prefetches) outstanding") 6112939Sgabeblack@google.com deadlock_threshold = Param.Int(500000, 6212939Sgabeblack@google.com "max outstanding cycles for a request before deadlock/livelock declared") 6312939Sgabeblack@google.com 6412939Sgabeblack@google.comclass DMASequencer(RubyPort): 6512939Sgabeblack@google.com type = 'DMASequencer' 6612939Sgabeblack@google.com