devices.py revision 11569
111569Sgabor.dozsa@arm.com# Copyright (c) 2016 ARM Limited 211569Sgabor.dozsa@arm.com# All rights reserved. 311569Sgabor.dozsa@arm.com# 411569Sgabor.dozsa@arm.com# The license below extends only to copyright in the software and shall 511569Sgabor.dozsa@arm.com# not be construed as granting a license to any other intellectual 611569Sgabor.dozsa@arm.com# property including but not limited to intellectual property relating 711569Sgabor.dozsa@arm.com# to a hardware implementation of the functionality of the software 811569Sgabor.dozsa@arm.com# licensed hereunder. You may use the software subject to the license 911569Sgabor.dozsa@arm.com# terms below provided that you ensure that this notice is replicated 1011569Sgabor.dozsa@arm.com# unmodified and in its entirety in all distributions of the software, 1111569Sgabor.dozsa@arm.com# modified or unmodified, in source code or in binary form. 1211569Sgabor.dozsa@arm.com# 1311569Sgabor.dozsa@arm.com# Redistribution and use in source and binary forms, with or without 1411569Sgabor.dozsa@arm.com# modification, are permitted provided that the following conditions are 1511569Sgabor.dozsa@arm.com# met: redistributions of source code must retain the above copyright 1611569Sgabor.dozsa@arm.com# notice, this list of conditions and the following disclaimer; 1711569Sgabor.dozsa@arm.com# redistributions in binary form must reproduce the above copyright 1811569Sgabor.dozsa@arm.com# notice, this list of conditions and the following disclaimer in the 1911569Sgabor.dozsa@arm.com# documentation and/or other materials provided with the distribution; 2011569Sgabor.dozsa@arm.com# neither the name of the copyright holders nor the names of its 2111569Sgabor.dozsa@arm.com# contributors may be used to endorse or promote products derived from 2211569Sgabor.dozsa@arm.com# this software without specific prior written permission. 2311569Sgabor.dozsa@arm.com# 2411569Sgabor.dozsa@arm.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2511569Sgabor.dozsa@arm.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2611569Sgabor.dozsa@arm.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2711569Sgabor.dozsa@arm.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2811569Sgabor.dozsa@arm.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2911569Sgabor.dozsa@arm.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3011569Sgabor.dozsa@arm.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3111569Sgabor.dozsa@arm.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3211569Sgabor.dozsa@arm.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3311569Sgabor.dozsa@arm.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3411569Sgabor.dozsa@arm.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3511569Sgabor.dozsa@arm.com# 3611569Sgabor.dozsa@arm.com# Authors: Andreas Sandberg 3711569Sgabor.dozsa@arm.com# Gabor Dozsa 3811569Sgabor.dozsa@arm.com 3911569Sgabor.dozsa@arm.com# System components used by the bigLITTLE.py configuration script 4011569Sgabor.dozsa@arm.com 4111569Sgabor.dozsa@arm.comimport m5 4211569Sgabor.dozsa@arm.comfrom m5.objects import * 4311569Sgabor.dozsa@arm.comm5.util.addToPath('../../common') 4411569Sgabor.dozsa@arm.comfrom Caches import * 4511569Sgabor.dozsa@arm.com 4611569Sgabor.dozsa@arm.comclass L1I(L1_ICache): 4711569Sgabor.dozsa@arm.com hit_latency = 1 4811569Sgabor.dozsa@arm.com response_latency = 1 4911569Sgabor.dozsa@arm.com mshrs = 4 5011569Sgabor.dozsa@arm.com tgts_per_mshr = 8 5111569Sgabor.dozsa@arm.com size = '48kB' 5211569Sgabor.dozsa@arm.com assoc = 3 5311569Sgabor.dozsa@arm.com 5411569Sgabor.dozsa@arm.com 5511569Sgabor.dozsa@arm.comclass L1D(L1_DCache): 5611569Sgabor.dozsa@arm.com hit_latency = 2 5711569Sgabor.dozsa@arm.com response_latency = 1 5811569Sgabor.dozsa@arm.com mshrs = 16 5911569Sgabor.dozsa@arm.com tgts_per_mshr = 16 6011569Sgabor.dozsa@arm.com size = '32kB' 6111569Sgabor.dozsa@arm.com assoc = 2 6211569Sgabor.dozsa@arm.com write_buffers = 16 6311569Sgabor.dozsa@arm.com 6411569Sgabor.dozsa@arm.com 6511569Sgabor.dozsa@arm.comclass WalkCache(PageTableWalkerCache): 6611569Sgabor.dozsa@arm.com hit_latency = 4 6711569Sgabor.dozsa@arm.com response_latency = 4 6811569Sgabor.dozsa@arm.com mshrs = 6 6911569Sgabor.dozsa@arm.com tgts_per_mshr = 8 7011569Sgabor.dozsa@arm.com size = '1kB' 7111569Sgabor.dozsa@arm.com assoc = 8 7211569Sgabor.dozsa@arm.com write_buffers = 16 7311569Sgabor.dozsa@arm.com 7411569Sgabor.dozsa@arm.com 7511569Sgabor.dozsa@arm.comclass L2(L2Cache): 7611569Sgabor.dozsa@arm.com hit_latency = 12 7711569Sgabor.dozsa@arm.com response_latency = 5 7811569Sgabor.dozsa@arm.com mshrs = 32 7911569Sgabor.dozsa@arm.com tgts_per_mshr = 8 8011569Sgabor.dozsa@arm.com size = '1MB' 8111569Sgabor.dozsa@arm.com assoc = 16 8211569Sgabor.dozsa@arm.com write_buffers = 8 8311569Sgabor.dozsa@arm.com clusivity='mostly_excl' 8411569Sgabor.dozsa@arm.com 8511569Sgabor.dozsa@arm.com 8611569Sgabor.dozsa@arm.comclass L3(Cache): 8711569Sgabor.dozsa@arm.com size = '16MB' 8811569Sgabor.dozsa@arm.com assoc = 16 8911569Sgabor.dozsa@arm.com hit_latency = 20 9011569Sgabor.dozsa@arm.com response_latency = 20 9111569Sgabor.dozsa@arm.com mshrs = 20 9211569Sgabor.dozsa@arm.com tgts_per_mshr = 12 9311569Sgabor.dozsa@arm.com clusivity='mostly_excl' 9411569Sgabor.dozsa@arm.com 9511569Sgabor.dozsa@arm.com 9611569Sgabor.dozsa@arm.comclass MemBus(SystemXBar): 9711569Sgabor.dozsa@arm.com badaddr_responder = BadAddr(warn_access="warn") 9811569Sgabor.dozsa@arm.com default = Self.badaddr_responder.pio 9911569Sgabor.dozsa@arm.com 10011569Sgabor.dozsa@arm.com 10111569Sgabor.dozsa@arm.comclass SimpleSystem(LinuxArmSystem): 10211569Sgabor.dozsa@arm.com cache_line_size = 64 10311569Sgabor.dozsa@arm.com 10411569Sgabor.dozsa@arm.com voltage_domain = VoltageDomain(voltage="1.0V") 10511569Sgabor.dozsa@arm.com clk_domain = SrcClockDomain(clock="1GHz", 10611569Sgabor.dozsa@arm.com voltage_domain=Parent.voltage_domain) 10711569Sgabor.dozsa@arm.com 10811569Sgabor.dozsa@arm.com realview = VExpress_GEM5_V1() 10911569Sgabor.dozsa@arm.com 11011569Sgabor.dozsa@arm.com gic_cpu_addr = realview.gic.cpu_addr 11111569Sgabor.dozsa@arm.com flags_addr = realview.realview_io.pio_addr + 0x30 11211569Sgabor.dozsa@arm.com 11311569Sgabor.dozsa@arm.com membus = MemBus() 11411569Sgabor.dozsa@arm.com 11511569Sgabor.dozsa@arm.com intrctrl = IntrControl() 11611569Sgabor.dozsa@arm.com terminal = Terminal() 11711569Sgabor.dozsa@arm.com vncserver = VncServer() 11811569Sgabor.dozsa@arm.com 11911569Sgabor.dozsa@arm.com iobus = IOXBar() 12011569Sgabor.dozsa@arm.com # CPUs->PIO 12111569Sgabor.dozsa@arm.com iobridge = Bridge(delay='50ns') 12211569Sgabor.dozsa@arm.com # Device DMA -> MEM 12311569Sgabor.dozsa@arm.com dmabridge = Bridge(delay='50ns', ranges=realview._mem_regions) 12411569Sgabor.dozsa@arm.com 12511569Sgabor.dozsa@arm.com _pci_devices = 0 12611569Sgabor.dozsa@arm.com _clusters = [] 12711569Sgabor.dozsa@arm.com _cpus = [] 12811569Sgabor.dozsa@arm.com 12911569Sgabor.dozsa@arm.com def attach_pci(self, dev): 13011569Sgabor.dozsa@arm.com dev.pci_bus, dev.pci_dev, dev.pci_func = (0, self._pci_devices + 1, 0) 13111569Sgabor.dozsa@arm.com self._pci_devices += 1 13211569Sgabor.dozsa@arm.com self.realview.attachPciDevice(dev, self.iobus) 13311569Sgabor.dozsa@arm.com 13411569Sgabor.dozsa@arm.com def connect(self): 13511569Sgabor.dozsa@arm.com self.iobridge.master = self.iobus.slave 13611569Sgabor.dozsa@arm.com self.iobridge.slave = self.membus.master 13711569Sgabor.dozsa@arm.com 13811569Sgabor.dozsa@arm.com self.dmabridge.master = self.membus.slave 13911569Sgabor.dozsa@arm.com self.dmabridge.slave = self.iobus.master 14011569Sgabor.dozsa@arm.com 14111569Sgabor.dozsa@arm.com self.gic_cpu_addr = self.realview.gic.cpu_addr 14211569Sgabor.dozsa@arm.com self.realview.attachOnChipIO(self.membus, self.iobridge) 14311569Sgabor.dozsa@arm.com self.realview.attachIO(self.iobus) 14411569Sgabor.dozsa@arm.com self.system_port = self.membus.slave 145