cdcc55a6a8
MemObject doesn't provide anything beyond its base ClockedObject any more, so this change removes it from most inheritance hierarchies. Occasionally MemObject is replaced with SimObject when I was fairly confident that the extra functionality of ClockedObject wasn't needed. Change-Id: Ic014ab61e56402e62548e8c831eb16e26523fdce Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18289 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Gabe Black <gabeblack@google.com>
70 lines
3.4 KiB
Python
70 lines
3.4 KiB
Python
# Copyright (c) 2012 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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# Copyright (c) 2005-2008 The Regents of The University of Michigan
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# All rights reserved.
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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: Nathan Binkert
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# Andreas Hansson
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from m5.params import *
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from m5.objects.ClockedObject import ClockedObject
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class AbstractMemory(ClockedObject):
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type = 'AbstractMemory'
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abstract = True
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cxx_header = "mem/abstract_mem.hh"
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# A default memory size of 128 MB (starting at 0) is used to
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# simplify the regressions
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range = Param.AddrRange('128MB', "Address range (potentially interleaved)")
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null = Param.Bool(False, "Do not store data, always return zero")
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# All memories are passed to the global physical memory, and
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# certain memories may be excluded from the global address map,
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# e.g. by the testers that use shadow memories as a reference
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in_addr_map = Param.Bool(True, "Memory part of the global address map")
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# When KVM acceleration is used, memory is mapped into the guest process
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# address space and accessed directly. Some memories may need to be
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# excluded from this mapping if they overlap with other memory ranges or
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# are not accessible by the CPU.
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kvm_map = Param.Bool(True, "Should KVM map this memory for the guest")
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# Should the bootloader include this memory when passing
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# configuration information about the physical memory layout to
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# the kernel, e.g. using ATAG or ACPI
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conf_table_reported = Param.Bool(True, "Report to configuration table")
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