| # Copyright (c) 2012 ARM Limited |
| # All rights reserved. |
| # |
| # The license below extends only to copyright in the software and shall |
| # not be construed as granting a license to any other intellectual |
| # property including but not limited to intellectual property relating |
| # to a hardware implementation of the functionality of the software |
| # licensed hereunder. You may use the software subject to the license |
| # terms below provided that you ensure that this notice is replicated |
| # unmodified and in its entirety in all distributions of the software, |
| # modified or unmodified, in source code or in binary form. |
| # |
| # Copyright (c) 2007 The Regents of The University of Michigan |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Authors: Nathan Binkert |
| |
| from m5.params import * |
| from m5.objects.BaseSimpleCPU import BaseSimpleCPU |
| from m5.objects.SimPoint import SimPoint |
| |
| class AtomicSimpleCPU(BaseSimpleCPU): |
| """Simple CPU model executing a configurable number of |
| instructions per cycle. This model uses the simplified 'atomic' |
| memory mode.""" |
| |
| type = 'AtomicSimpleCPU' |
| cxx_header = "cpu/simple/atomic.hh" |
| |
| @classmethod |
| def memory_mode(cls): |
| return 'atomic' |
| |
| @classmethod |
| def support_take_over(cls): |
| return True |
| |
| width = Param.Int(1, "CPU width") |
| simulate_data_stalls = Param.Bool(False, "Simulate dcache stall cycles") |
| simulate_inst_stalls = Param.Bool(False, "Simulate icache stall cycles") |
| |
| def addSimPointProbe(self, interval): |
| simpoint = SimPoint() |
| simpoint.interval = interval |
| self.probeListener = simpoint |