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Diffstat (limited to 'src/mem/AbstractMemory.py')
| -rw-r--r-- | src/mem/AbstractMemory.py | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/mem/AbstractMemory.py b/src/mem/AbstractMemory.py new file mode 100644 index 000000000..bf1621f4d --- /dev/null +++ b/src/mem/AbstractMemory.py @@ -0,0 +1,61 @@ +# 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) 2005-2008 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 +# Andreas Hansson + +from m5.params import * +from MemObject import MemObject + +class AbstractMemory(MemObject): + type = 'AbstractMemory' + abstract = True + range = Param.AddrRange(AddrRange('128MB'), "Address range") + file = Param.String('', "Memory-mapped file") + null = Param.Bool(False, "Do not store data, always return zero") + zero = Param.Bool(False, "Initialize memory with zeros") + + # All memories are passed to the global physical memory, and + # certain memories may be excluded from the global address map, + # e.g. by the testers that use shadow memories as a reference + in_addr_map = Param.Bool(True, "Memory part of the global address map") + + # Should the bootloader include this memory when passing + # configuration information about the physical memory layout to + # the kernel, e.g. using ATAG or ACPI + conf_table_reported = Param.Bool(False, "Report to configuration table") |