System.py revision 10249
12330SN/A# Copyright (c) 2005-2007 The Regents of The University of Michigan 22330SN/A# Copyright (c) 2011 Regents of the University of California 32330SN/A# All rights reserved. 42330SN/A# 52330SN/A# Redistribution and use in source and binary forms, with or without 62330SN/A# modification, are permitted provided that the following conditions are 72330SN/A# met: redistributions of source code must retain the above copyright 82330SN/A# notice, this list of conditions and the following disclaimer; 92330SN/A# redistributions in binary form must reproduce the above copyright 102330SN/A# notice, this list of conditions and the following disclaimer in the 112330SN/A# documentation and/or other materials provided with the distribution; 122330SN/A# neither the name of the copyright holders nor the names of its 132330SN/A# contributors may be used to endorse or promote products derived from 142330SN/A# this software without specific prior written permission. 152330SN/A# 162330SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172330SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182330SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192330SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202330SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212330SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222330SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232330SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242330SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252330SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262330SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272689Sktlim@umich.edu# 282689Sktlim@umich.edu# Authors: Nathan Binkert 292330SN/A# Rick Strong 302292SN/A 312292SN/Afrom m5.SimObject import SimObject 322292SN/Afrom m5.defines import buildEnv 332292SN/Afrom m5.params import * 342980Sgblack@eecs.umich.edufrom m5.proxy import * 352362SN/A 362680Sktlim@umich.edufrom DVFSHandler import * 372292SN/Afrom SimpleMemory import * 382678Sktlim@umich.edu 392683Sktlim@umich.educlass MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing', 402683Sktlim@umich.edu 'atomic_noncaching'] 412678Sktlim@umich.edu 422678Sktlim@umich.educlass System(MemObject): 432292SN/A type = 'System' 442292SN/A cxx_header = "sim/system.hh" 452292SN/A system_port = MasterPort("System port") 462292SN/A 472330SN/A @classmethod 482330SN/A def export_method_cxx_predecls(cls, code): 492330SN/A code('#include "sim/system.hh"') 502292SN/A 512292SN/A @classmethod 523402Sktlim@umich.edu def export_methods(cls, code): 532862Sktlim@umich.edu code(''' 543486Sktlim@umich.edu Enums::MemoryMode getMemoryMode() const; 553402Sktlim@umich.edu void setMemoryMode(Enums::MemoryMode mode); 562862Sktlim@umich.edu''') 572330SN/A 582330SN/A memories = VectorParam.AbstractMemory(Self.all, 592330SN/A "All memories in the system") 602330SN/A mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in") 612330SN/A 622330SN/A # The memory ranges are to be populated when creating the system 632292SN/A # such that these can be passed from the I/O subsystem through an 642683Sktlim@umich.edu # I/O bridge or cache 652683Sktlim@umich.edu mem_ranges = VectorParam.AddrRange([], "Ranges that constitute main memory") 662292SN/A 673402Sktlim@umich.edu cache_line_size = Param.Unsigned(64, "Cache line size in bytes") 682292SN/A 693402Sktlim@umich.edu work_item_id = Param.Int(-1, "specific work item id") 703402Sktlim@umich.edu num_work_ids = Param.Int(16, "Number of distinct work item types") 712292SN/A work_begin_cpu_id_exit = Param.Int(-1, 722683Sktlim@umich.edu "work started on specific id, now exit simulation") 733486Sktlim@umich.edu work_begin_ckpt_count = Param.Counter(0, 743486Sktlim@umich.edu "create checkpoint when work items begin count value is reached") 752862Sktlim@umich.edu work_begin_exit_count = Param.Counter(0, 762862Sktlim@umich.edu "exit simulation when work items begin count value is reached") 772862Sktlim@umich.edu work_end_ckpt_count = Param.Counter(0, 782862Sktlim@umich.edu "create checkpoint when work items end count value is reached") 792683Sktlim@umich.edu work_end_exit_count = Param.Counter(0, 802683Sktlim@umich.edu "exit simulation when work items end count value is reached") 812683Sktlim@umich.edu work_cpus_ckpt_count = Param.Counter(0, 822683Sktlim@umich.edu "create checkpoint when active cpu count value is reached") 832683Sktlim@umich.edu 842683Sktlim@umich.edu init_param = Param.UInt64(0, "numerical value to pass into simulator") 852683Sktlim@umich.edu boot_osflags = Param.String("a", "boot flags to pass to the kernel") 862683Sktlim@umich.edu kernel = Param.String("", "file that contains the kernel code") 872683Sktlim@umich.edu readfile = Param.String("", "file to read startup script from") 882683Sktlim@umich.edu symbolfile = Param.String("", "file to get the symbols from") 892683Sktlim@umich.edu load_addr_mask = Param.UInt64(0xffffffffff, 902683Sktlim@umich.edu "Address to mask loading binaries with") 912683Sktlim@umich.edu load_offset = Param.UInt64(0, "Address to offset loading binaries with") 922683Sktlim@umich.edu 932683Sktlim@umich.edu # Dynamic voltage and frequency handler for the system, disabled by default 942683Sktlim@umich.edu # Provide list of domains that need to be controlled by the handler 952683Sktlim@umich.edu dvfs_handler = DVFSHandler() 962683Sktlim@umich.edu