| # 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 |
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from ......utils.override import overrides |
| from .....processors.abstract_core import AbstractCore |
| from ......isas import ISA |
| from ..abstract_l1_cache import AbstractL1Cache |
| |
| from m5.objects import MessageBuffer, RubyCache, ClockDomain |
| |
| |
| class L1Cache(AbstractL1Cache): |
| def __init__( |
| self, |
| size: str, |
| assoc: int, |
| network, |
| core: AbstractCore, |
| cache_line_size, |
| target_isa: ISA, |
| clk_domain: ClockDomain, |
| ): |
| super().__init__(network, cache_line_size) |
| |
| self.cacheMemory = RubyCache( |
| size=size, assoc=assoc, start_index_bit=self.getBlockSizeBits() |
| ) |
| |
| self.clk_domain = clk_domain |
| self.send_evictions = core.requires_send_evicts() |
| |
| @overrides(AbstractL1Cache) |
| def connectQueues(self, network): |
| self.mandatoryQueue = MessageBuffer() |
| self.requestFromCache = MessageBuffer(ordered=True) |
| self.requestFromCache.out_port = network.in_port |
| self.responseFromCache = MessageBuffer(ordered=True) |
| self.responseFromCache.out_port = network.in_port |
| self.forwardToCache = MessageBuffer(ordered=True) |
| self.forwardToCache.in_port = network.out_port |
| self.responseToCache = MessageBuffer(ordered=True) |
| self.responseToCache.in_port = network.out_port |
