System.py revision 11146
12036SN/A# Copyright (c) 2005-2007 The Regents of The University of Michigan 22036SN/A# Copyright (c) 2011 Regents of the University of California 32036SN/A# All rights reserved. 42036SN/A# 52036SN/A# Redistribution and use in source and binary forms, with or without 62036SN/A# modification, are permitted provided that the following conditions are 72036SN/A# met: redistributions of source code must retain the above copyright 82036SN/A# notice, this list of conditions and the following disclaimer; 92036SN/A# redistributions in binary form must reproduce the above copyright 102036SN/A# notice, this list of conditions and the following disclaimer in the 112036SN/A# documentation and/or other materials provided with the distribution; 122036SN/A# neither the name of the copyright holders nor the names of its 132036SN/A# contributors may be used to endorse or promote products derived from 142036SN/A# this software without specific prior written permission. 152036SN/A# 162036SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172036SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182036SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192036SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202036SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212036SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222036SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232036SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242036SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252036SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262036SN/A# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu# 282956Sgblack@eecs.umich.edu# Authors: Nathan Binkert 292956Sgblack@eecs.umich.edu# Rick Strong 302772Ssaidi@eecs.umich.edu 312036SN/Afrom m5.SimObject import SimObject 322036SN/Afrom m5.defines import buildEnv 332036SN/Afrom m5.params import * 342036SN/Afrom m5.proxy import * 352036SN/A 362036SN/Afrom DVFSHandler import * 372036SN/Afrom SimpleMemory import * 382036SN/A 392036SN/Aclass MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing', 406214Snate@binkert.org 'atomic_noncaching'] 412036SN/A 422036SN/Aclass System(MemObject): 438902Sandreas.hansson@arm.com type = 'System' 442036SN/A cxx_header = "sim/system.hh" 452565SN/A system_port = MasterPort("System port") 462565SN/A 472565SN/A @classmethod 482565SN/A def export_method_cxx_predecls(cls, code): 493918Ssaidi@eecs.umich.edu code('#include "sim/system.hh"') 503483Ssaidi@eecs.umich.edu 512036SN/A @classmethod 522036SN/A def export_methods(cls, code): 532036SN/A code(''' 542036SN/A Enums::MemoryMode getMemoryMode() const; 552778Ssaidi@eecs.umich.edu void setMemoryMode(Enums::MemoryMode mode); 562778Ssaidi@eecs.umich.edu''') 572778Ssaidi@eecs.umich.edu 582778Ssaidi@eecs.umich.edu memories = VectorParam.AbstractMemory(Self.all, 592036SN/A "All memories in the system") 602036SN/A mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in") 615549Snate@binkert.org 622036SN/A # When reserving memory on the host, we have the option of 632036SN/A # reserving swap space or not (by passing MAP_NORESERVE to 648902Sandreas.hansson@arm.com # mmap). By enabling this flag, we accomodate cases where a large 652565SN/A # (but sparse) memory is simulated. 662778Ssaidi@eecs.umich.edu mmap_using_noreserve = Param.Bool(False, "mmap the backing store " \ 672778Ssaidi@eecs.umich.edu "without reserving swap") 682565SN/A 692036SN/A # The memory ranges are to be populated when creating the system 702036SN/A # such that these can be passed from the I/O subsystem through an 712036SN/A # I/O bridge or cache 722036SN/A mem_ranges = VectorParam.AddrRange([], "Ranges that constitute main memory") 732036SN/A 742036SN/A cache_line_size = Param.Unsigned(64, "Cache line size in bytes") 752036SN/A 762036SN/A work_item_id = Param.Int(-1, "specific work item id") 772565SN/A num_work_ids = Param.Int(16, "Number of distinct work item types") 782036SN/A work_begin_cpu_id_exit = Param.Int(-1, 792036SN/A "work started on specific id, now exit simulation") 805549Snate@binkert.org work_begin_ckpt_count = Param.Counter(0, 812036SN/A "create checkpoint when work items begin count value is reached") 822036SN/A work_begin_exit_count = Param.Counter(0, 838902Sandreas.hansson@arm.com "exit simulation when work items begin count value is reached") 842565SN/A work_end_ckpt_count = Param.Counter(0, 852778Ssaidi@eecs.umich.edu "create checkpoint when work items end count value is reached") 862778Ssaidi@eecs.umich.edu work_end_exit_count = Param.Counter(0, 872565SN/A "exit simulation when work items end count value is reached") 882036SN/A work_cpus_ckpt_count = Param.Counter(0, 892036SN/A "create checkpoint when active cpu count value is reached") 902036SN/A 912565SN/A init_param = Param.UInt64(0, "numerical value to pass into simulator") 922036SN/A boot_osflags = Param.String("a", "boot flags to pass to the kernel") 932036SN/A kernel = Param.String("", "file that contains the kernel code") 945549Snate@binkert.org kernel_addr_check = Param.Bool(True, 952036SN/A "whether to address check on kernel (disable for baremetal)") 962036SN/A readfile = Param.String("", "file to read startup script from") 978902Sandreas.hansson@arm.com symbolfile = Param.String("", "file to get the symbols from") 982565SN/A load_addr_mask = Param.UInt64(0xffffffffff, 992778Ssaidi@eecs.umich.edu "Address to mask loading binaries with") 1002778Ssaidi@eecs.umich.edu load_offset = Param.UInt64(0, "Address to offset loading binaries with") 1012565SN/A 1022036SN/A multi_thread = Param.Bool(False, 1032036SN/A "Supports multi-threaded CPUs? Impacts Thread/Context IDs") 1042565SN/A 1052036SN/A # Dynamic voltage and frequency handler for the system, disabled by default 1062036SN/A # Provide list of domains that need to be controlled by the handler 1072764Sstever@eecs.umich.edu dvfs_handler = DVFSHandler() 1082764Sstever@eecs.umich.edu