ddf6cb88e4
This is reflect the updates made to black when running `pre-commit autoupdate`. Change-Id: Ifb7fea117f354c7f02f26926a5afdf7d67bc5919
86 lines
3.8 KiB
Python
86 lines
3.8 KiB
Python
# 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.
|
|
#
|
|
# 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.
|
|
|
|
from m5.params import *
|
|
from m5.SimObject import SimObject
|
|
|
|
|
|
# An address mapper changes the packet addresses in going from the
|
|
# response port side of the mapper to the request port side. When the
|
|
# response port is queried for the address ranges, it also performs the
|
|
# necessary range updates. Note that snoop requests that travel from
|
|
# the request port (i.e. the memory side) to the response port are
|
|
# currently not modified.
|
|
class AddrMapper(SimObject):
|
|
type = "AddrMapper"
|
|
cxx_header = "mem/addr_mapper.hh"
|
|
cxx_class = "gem5::AddrMapper"
|
|
abstract = True
|
|
|
|
# one port in each direction
|
|
mem_side_port = RequestPort(
|
|
"This port sends requests and receives responses"
|
|
)
|
|
master = DeprecatedParam(
|
|
mem_side_port, "`master` is now called `mem_side_port`"
|
|
)
|
|
cpu_side_port = ResponsePort(
|
|
"This port receives requests and sends responses"
|
|
)
|
|
slave = DeprecatedParam(
|
|
cpu_side_port, "`slave` is now called `cpu_side_port`"
|
|
)
|
|
|
|
|
|
# Range address mapper that maps a set of original ranges to a set of
|
|
# remapped ranges, where a specific range is of the same size
|
|
# (original and remapped), only with an offset.
|
|
class RangeAddrMapper(AddrMapper):
|
|
type = "RangeAddrMapper"
|
|
cxx_header = "mem/addr_mapper.hh"
|
|
cxx_class = "gem5::RangeAddrMapper"
|
|
|
|
# These two vectors should be the exact same length and each range
|
|
# should be the exact same size. Each range in original_ranges is
|
|
# mapped to the corresponding element in the remapped_ranges. Note
|
|
# that the same range can occur multiple times in the remapped
|
|
# ranges for address aliasing.
|
|
original_ranges = VectorParam.AddrRange(
|
|
"Ranges of memory that should me remapped"
|
|
)
|
|
remapped_ranges = VectorParam.AddrRange(
|
|
"Ranges of memory that are being mapped to"
|
|
)
|