dd0f3943e2
This patch adds the MemChecker and MemCheckerMonitor classes. While MemChecker can be integrated anywhere in the system and is independent, the most convenient usage is through the MemCheckerMonitor -- this however, puts limitations on where the MemChecker is able to observe read/write transactions.
59 lines
2.7 KiB
Python
59 lines
2.7 KiB
Python
# Copyright (c) 2014 ARM Limited
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# All rights reserved.
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Marco Elver
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from MemObject import MemObject
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from m5.SimObject import SimObject
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from m5.params import *
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from m5.proxy import *
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class MemChecker(SimObject):
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type = 'MemChecker'
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cxx_header = "mem/mem_checker.hh"
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class MemCheckerMonitor(MemObject):
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type = 'MemCheckerMonitor'
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cxx_header = "mem/mem_checker_monitor.hh"
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# one port in each direction
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master = MasterPort("Master port")
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slave = SlavePort("Slave port")
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cpu_side = SlavePort("Alias for slave")
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mem_side = MasterPort("Alias for master")
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warn_only = Param.Bool(False, "Warn about violations only")
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memchecker = Param.MemChecker("Instance shared with other monitors")
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