| # Copyright (c) 2021 The Regents of the University of California |
| # 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. |
| |
| from ......utils.override import overrides |
| from ..abstract_directory import AbstractDirectory |
| |
| from m5.objects import MessageBuffer, RubyDirectoryMemory |
| |
| |
| class Directory(AbstractDirectory): |
| def __init__(self, network, cache_line_size, mem_range, port): |
| |
| super().__init__(network, cache_line_size) |
| self.addr_ranges = [mem_range] |
| self.directory = RubyDirectoryMemory() |
| # Connect this directory to the memory side. |
| self.memory_out_port = port |
| |
| @overrides(AbstractDirectory) |
| def connectQueues(self, network): |
| self.requestToDir = MessageBuffer() |
| self.requestToDir.in_port = network.out_port |
| self.responseToDir = MessageBuffer() |
| self.responseToDir.in_port = network.out_port |
| self.responseFromDir = MessageBuffer() |
| self.responseFromDir.out_port = network.in_port |
| self.requestToMemory = MessageBuffer() |
| self.responseFromMemory = MessageBuffer() |
