AbstractMemory.py revision 9707:1305bec2733f
112855Sgabeblack@google.com# Copyright (c) 2012 ARM Limited 212855Sgabeblack@google.com# All rights reserved. 312855Sgabeblack@google.com# 412855Sgabeblack@google.com# The license below extends only to copyright in the software and shall 512855Sgabeblack@google.com# not be construed as granting a license to any other intellectual 612855Sgabeblack@google.com# property including but not limited to intellectual property relating 712855Sgabeblack@google.com# to a hardware implementation of the functionality of the software 812855Sgabeblack@google.com# licensed hereunder. You may use the software subject to the license 912855Sgabeblack@google.com# terms below provided that you ensure that this notice is replicated 1012855Sgabeblack@google.com# unmodified and in its entirety in all distributions of the software, 1112855Sgabeblack@google.com# modified or unmodified, in source code or in binary form. 1212855Sgabeblack@google.com# 1312855Sgabeblack@google.com# Copyright (c) 2005-2008 The Regents of The University of Michigan 1412855Sgabeblack@google.com# All rights reserved. 1512855Sgabeblack@google.com# 1612855Sgabeblack@google.com# Redistribution and use in source and binary forms, with or without 1712855Sgabeblack@google.com# modification, are permitted provided that the following conditions are 1812855Sgabeblack@google.com# met: redistributions of source code must retain the above copyright 1912855Sgabeblack@google.com# notice, this list of conditions and the following disclaimer; 2012855Sgabeblack@google.com# redistributions in binary form must reproduce the above copyright 2112855Sgabeblack@google.com# notice, this list of conditions and the following disclaimer in the 2212855Sgabeblack@google.com# documentation and/or other materials provided with the distribution; 2312855Sgabeblack@google.com# neither the name of the copyright holders nor the names of its 2412855Sgabeblack@google.com# contributors may be used to endorse or promote products derived from 2512855Sgabeblack@google.com# this software without specific prior written permission. 2612855Sgabeblack@google.com# 2712855Sgabeblack@google.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2812855Sgabeblack@google.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2912855Sgabeblack@google.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 3012855Sgabeblack@google.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3112855Sgabeblack@google.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3212855Sgabeblack@google.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3312855Sgabeblack@google.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3412855Sgabeblack@google.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3512855Sgabeblack@google.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3612855Sgabeblack@google.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3712855Sgabeblack@google.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3812855Sgabeblack@google.com# 3912855Sgabeblack@google.com# Authors: Nathan Binkert 4012855Sgabeblack@google.com# Andreas Hansson 4112855Sgabeblack@google.com 4212855Sgabeblack@google.comfrom m5.params import * 4312855Sgabeblack@google.comfrom MemObject import MemObject 4412855Sgabeblack@google.com 4512855Sgabeblack@google.comclass AbstractMemory(MemObject): 4612855Sgabeblack@google.com type = 'AbstractMemory' 4712855Sgabeblack@google.com abstract = True 4812855Sgabeblack@google.com cxx_header = "mem/abstract_mem.hh" 4912855Sgabeblack@google.com range = Param.AddrRange(AddrRange('128MB'), "Address range") 5012855Sgabeblack@google.com null = Param.Bool(False, "Do not store data, always return zero") 5112855Sgabeblack@google.com 5212855Sgabeblack@google.com # All memories are passed to the global physical memory, and 5312855Sgabeblack@google.com # certain memories may be excluded from the global address map, 5412855Sgabeblack@google.com # e.g. by the testers that use shadow memories as a reference 5512855Sgabeblack@google.com in_addr_map = Param.Bool(True, "Memory part of the global address map") 5612855Sgabeblack@google.com 5712855Sgabeblack@google.com # Should the bootloader include this memory when passing 5812855Sgabeblack@google.com # configuration information about the physical memory layout to 5912855Sgabeblack@google.com # the kernel, e.g. using ATAG or ACPI 6012855Sgabeblack@google.com conf_table_reported = Param.Bool(False, "Report to configuration table") 6112855Sgabeblack@google.com