System.py revision 10282
12329SN/A# Copyright (c) 2005-2007 The Regents of The University of Michigan 22329SN/A# Copyright (c) 2011 Regents of the University of California 32329SN/A# All rights reserved. 42329SN/A# 52329SN/A# Redistribution and use in source and binary forms, with or without 62329SN/A# modification, are permitted provided that the following conditions are 72329SN/A# met: redistributions of source code must retain the above copyright 82329SN/A# notice, this list of conditions and the following disclaimer; 92329SN/A# redistributions in binary form must reproduce the above copyright 102329SN/A# notice, this list of conditions and the following disclaimer in the 112329SN/A# documentation and/or other materials provided with the distribution; 122329SN/A# neither the name of the copyright holders nor the names of its 132329SN/A# contributors may be used to endorse or promote products derived from 142329SN/A# this software without specific prior written permission. 152329SN/A# 162329SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172329SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182329SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192329SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202329SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212329SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222329SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232329SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242329SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252329SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262329SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272689Sktlim@umich.edu# 282689Sktlim@umich.edu# Authors: Nathan Binkert 292329SN/A# Rick Strong 302292SN/A 312292SN/Afrom m5.SimObject import SimObject 322292SN/Afrom m5.defines import buildEnv 332292SN/Afrom m5.params import * 342362SN/Afrom m5.proxy import * 352362SN/A 362680Sktlim@umich.edufrom DVFSHandler import * 372292SN/Afrom SimpleMemory import * 388793Sgblack@eecs.umich.edu 392362SN/Aclass MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing', 402292SN/A 'atomic_noncaching'] 418777Sgblack@eecs.umich.edu 422292SN/Aclass System(MemObject): 438777Sgblack@eecs.umich.edu type = 'System' 448777Sgblack@eecs.umich.edu cxx_header = "sim/system.hh" 452292SN/A system_port = MasterPort("System port") 462292SN/A 472292SN/A @classmethod 482329SN/A def export_method_cxx_predecls(cls, code): 492329SN/A code('#include "sim/system.hh"') 502329SN/A 512680Sktlim@umich.edu @classmethod 522680Sktlim@umich.edu def export_methods(cls, code): 532329SN/A code(''' 542329SN/A Enums::MemoryMode getMemoryMode() const; 552292SN/A void setMemoryMode(Enums::MemoryMode mode); 562292SN/A''') 572680Sktlim@umich.edu 582733Sktlim@umich.edu memories = VectorParam.AbstractMemory(Self.all, 592292SN/A "All memories in the system") 602292SN/A mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in") 612348SN/A 622733Sktlim@umich.edu # 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 642348SN/A # I/O bridge or cache 652348SN/A mem_ranges = VectorParam.AddrRange([], "Ranges that constitute main memory") 662348SN/A 672292SN/A cache_line_size = Param.Unsigned(64, "Cache line size in bytes") 682292SN/A 692348SN/A work_item_id = Param.Int(-1, "specific work item id") 702348SN/A num_work_ids = Param.Int(16, "Number of distinct work item types") 712348SN/A work_begin_cpu_id_exit = Param.Int(-1, 722292SN/A "work started on specific id, now exit simulation") 732292SN/A work_begin_ckpt_count = Param.Counter(0, 748766Sgblack@eecs.umich.edu "create checkpoint when work items begin count value is reached") 758766Sgblack@eecs.umich.edu work_begin_exit_count = Param.Counter(0, 762362SN/A "exit simulation when work items begin count value is reached") 772362SN/A work_end_ckpt_count = Param.Counter(0, 788793Sgblack@eecs.umich.edu "create checkpoint when work items end count value is reached") 798793Sgblack@eecs.umich.edu work_end_exit_count = Param.Counter(0, 808793Sgblack@eecs.umich.edu "exit simulation when work items end count value is reached") 818793Sgblack@eecs.umich.edu work_cpus_ckpt_count = Param.Counter(0, 828793Sgblack@eecs.umich.edu "create checkpoint when active cpu count value is reached") 838793Sgblack@eecs.umich.edu 848793Sgblack@eecs.umich.edu init_param = Param.UInt64(0, "numerical value to pass into simulator") 858793Sgblack@eecs.umich.edu boot_osflags = Param.String("a", "boot flags to pass to the kernel") 868793Sgblack@eecs.umich.edu kernel = Param.String("", "file that contains the kernel code") 878793Sgblack@eecs.umich.edu kernel_addr_check = Param.Bool(True, 888793Sgblack@eecs.umich.edu "whether to address check on kernel (disable for baremetal)") 898793Sgblack@eecs.umich.edu readfile = Param.String("", "file to read startup script from") 908793Sgblack@eecs.umich.edu symbolfile = Param.String("", "file to get the symbols from") 918793Sgblack@eecs.umich.edu load_addr_mask = Param.UInt64(0xffffffffff, 928793Sgblack@eecs.umich.edu "Address to mask loading binaries with") 932362SN/A load_offset = Param.UInt64(0, "Address to offset loading binaries with") 942362SN/A 952292SN/A # Dynamic voltage and frequency handler for the system, disabled by default 962680Sktlim@umich.edu # Provide list of domains that need to be controlled by the handler 972680Sktlim@umich.edu dvfs_handler = DVFSHandler() 982292SN/A