System.py revision 11988
112027Sjungma@eit.uni-kl.de# Copyright (c) 2005-2007 The Regents of The University of Michigan 212027Sjungma@eit.uni-kl.de# Copyright (c) 2011 Regents of the University of California 312027Sjungma@eit.uni-kl.de# All rights reserved. 412027Sjungma@eit.uni-kl.de# 512027Sjungma@eit.uni-kl.de# Redistribution and use in source and binary forms, with or without 612027Sjungma@eit.uni-kl.de# modification, are permitted provided that the following conditions are 712027Sjungma@eit.uni-kl.de# met: redistributions of source code must retain the above copyright 812027Sjungma@eit.uni-kl.de# notice, this list of conditions and the following disclaimer; 912027Sjungma@eit.uni-kl.de# redistributions in binary form must reproduce the above copyright 1012027Sjungma@eit.uni-kl.de# notice, this list of conditions and the following disclaimer in the 1112027Sjungma@eit.uni-kl.de# documentation and/or other materials provided with the distribution; 1212027Sjungma@eit.uni-kl.de# neither the name of the copyright holders nor the names of its 1312027Sjungma@eit.uni-kl.de# contributors may be used to endorse or promote products derived from 1412027Sjungma@eit.uni-kl.de# this software without specific prior written permission. 1512027Sjungma@eit.uni-kl.de# 1612027Sjungma@eit.uni-kl.de# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712027Sjungma@eit.uni-kl.de# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812027Sjungma@eit.uni-kl.de# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912027Sjungma@eit.uni-kl.de# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012027Sjungma@eit.uni-kl.de# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112027Sjungma@eit.uni-kl.de# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212027Sjungma@eit.uni-kl.de# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312027Sjungma@eit.uni-kl.de# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412027Sjungma@eit.uni-kl.de# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512027Sjungma@eit.uni-kl.de# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612027Sjungma@eit.uni-kl.de# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2712027Sjungma@eit.uni-kl.de# 2812027Sjungma@eit.uni-kl.de# Authors: Nathan Binkert 2912027Sjungma@eit.uni-kl.de# Rick Strong 3012027Sjungma@eit.uni-kl.de 3112027Sjungma@eit.uni-kl.defrom m5.SimObject import * 3212027Sjungma@eit.uni-kl.defrom m5.defines import buildEnv 3312027Sjungma@eit.uni-kl.defrom m5.params import * 3412027Sjungma@eit.uni-kl.defrom m5.proxy import * 3512027Sjungma@eit.uni-kl.de 3612027Sjungma@eit.uni-kl.defrom DVFSHandler import * 3712027Sjungma@eit.uni-kl.defrom SimpleMemory import * 3812027Sjungma@eit.uni-kl.de 3912027Sjungma@eit.uni-kl.declass MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing', 4012027Sjungma@eit.uni-kl.de 'atomic_noncaching'] 4112027Sjungma@eit.uni-kl.de 4212027Sjungma@eit.uni-kl.declass System(MemObject): 4312027Sjungma@eit.uni-kl.de type = 'System' 4412027Sjungma@eit.uni-kl.de cxx_header = "sim/system.hh" 4512027Sjungma@eit.uni-kl.de system_port = MasterPort("System port") 4612027Sjungma@eit.uni-kl.de 4712027Sjungma@eit.uni-kl.de cxx_exports = [ 4812027Sjungma@eit.uni-kl.de PyBindMethod("getMemoryMode"), 4912027Sjungma@eit.uni-kl.de PyBindMethod("setMemoryMode"), 5012027Sjungma@eit.uni-kl.de ] 5112027Sjungma@eit.uni-kl.de 5212027Sjungma@eit.uni-kl.de memories = VectorParam.AbstractMemory(Self.all, 5312027Sjungma@eit.uni-kl.de "All memories in the system") 5412027Sjungma@eit.uni-kl.de mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in") 5512027Sjungma@eit.uni-kl.de 5612027Sjungma@eit.uni-kl.de thermal_model = Param.ThermalModel(NULL, "Thermal model") 5712027Sjungma@eit.uni-kl.de thermal_components = VectorParam.SimObject([], 5812027Sjungma@eit.uni-kl.de "A collection of all thermal components in the system.") 5912027Sjungma@eit.uni-kl.de 6012027Sjungma@eit.uni-kl.de # When reserving memory on the host, we have the option of 6112027Sjungma@eit.uni-kl.de # reserving swap space or not (by passing MAP_NORESERVE to 6212027Sjungma@eit.uni-kl.de # mmap). By enabling this flag, we accommodate cases where a large 6312027Sjungma@eit.uni-kl.de # (but sparse) memory is simulated. 6412027Sjungma@eit.uni-kl.de mmap_using_noreserve = Param.Bool(False, "mmap the backing store " \ 6512027Sjungma@eit.uni-kl.de "without reserving swap") 6612027Sjungma@eit.uni-kl.de 6712027Sjungma@eit.uni-kl.de # The memory ranges are to be populated when creating the system 6812027Sjungma@eit.uni-kl.de # such that these can be passed from the I/O subsystem through an 6912027Sjungma@eit.uni-kl.de # I/O bridge or cache 7012027Sjungma@eit.uni-kl.de mem_ranges = VectorParam.AddrRange([], "Ranges that constitute main memory") 7112027Sjungma@eit.uni-kl.de 7212027Sjungma@eit.uni-kl.de cache_line_size = Param.Unsigned(64, "Cache line size in bytes") 7312027Sjungma@eit.uni-kl.de 7412027Sjungma@eit.uni-kl.de exit_on_work_items = Param.Bool(False, "Exit from the simulation loop when " 7512027Sjungma@eit.uni-kl.de "encountering work item annotations.") 7612027Sjungma@eit.uni-kl.de work_item_id = Param.Int(-1, "specific work item id") 7712027Sjungma@eit.uni-kl.de num_work_ids = Param.Int(16, "Number of distinct work item types") 7812027Sjungma@eit.uni-kl.de work_begin_cpu_id_exit = Param.Int(-1, 7912027Sjungma@eit.uni-kl.de "work started on specific id, now exit simulation") 8012027Sjungma@eit.uni-kl.de work_begin_ckpt_count = Param.Counter(0, 8112027Sjungma@eit.uni-kl.de "create checkpoint when work items begin count value is reached") 8212027Sjungma@eit.uni-kl.de work_begin_exit_count = Param.Counter(0, 8312027Sjungma@eit.uni-kl.de "exit simulation when work items begin count value is reached") 8412027Sjungma@eit.uni-kl.de work_end_ckpt_count = Param.Counter(0, 8512027Sjungma@eit.uni-kl.de "create checkpoint when work items end count value is reached") 8612027Sjungma@eit.uni-kl.de work_end_exit_count = Param.Counter(0, 8712027Sjungma@eit.uni-kl.de "exit simulation when work items end count value is reached") 8812027Sjungma@eit.uni-kl.de work_cpus_ckpt_count = Param.Counter(0, 8912027Sjungma@eit.uni-kl.de "create checkpoint when active cpu count value is reached") 9012027Sjungma@eit.uni-kl.de 9112027Sjungma@eit.uni-kl.de init_param = Param.UInt64(0, "numerical value to pass into simulator") 9212027Sjungma@eit.uni-kl.de boot_osflags = Param.String("a", "boot flags to pass to the kernel") 9312027Sjungma@eit.uni-kl.de kernel = Param.String("", "file that contains the kernel code") 9412027Sjungma@eit.uni-kl.de kernel_addr_check = Param.Bool(True, 9512027Sjungma@eit.uni-kl.de "whether to address check on kernel (disable for baremetal)") 9612027Sjungma@eit.uni-kl.de readfile = Param.String("", "file to read startup script from") 9712027Sjungma@eit.uni-kl.de symbolfile = Param.String("", "file to get the symbols from") 9812027Sjungma@eit.uni-kl.de load_addr_mask = Param.UInt64(0xffffffffff, 9912027Sjungma@eit.uni-kl.de "Address to mask loading binaries with") 10012027Sjungma@eit.uni-kl.de load_offset = Param.UInt64(0, "Address to offset loading binaries with") 10112027Sjungma@eit.uni-kl.de 10212027Sjungma@eit.uni-kl.de multi_thread = Param.Bool(False, 10312027Sjungma@eit.uni-kl.de "Supports multi-threaded CPUs? Impacts Thread/Context IDs") 10412027Sjungma@eit.uni-kl.de 10512027Sjungma@eit.uni-kl.de # Dynamic voltage and frequency handler for the system, disabled by default 10612027Sjungma@eit.uni-kl.de # Provide list of domains that need to be controlled by the handler 10712027Sjungma@eit.uni-kl.de dvfs_handler = DVFSHandler() 10812027Sjungma@eit.uni-kl.de 10912027Sjungma@eit.uni-kl.de if buildEnv['USE_KVM']: 11012027Sjungma@eit.uni-kl.de kvm_vm = Param.KvmVM(NULL, 'KVM VM (i.e., shared memory domain)') 11112027Sjungma@eit.uni-kl.de