| # 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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| # (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 typing import Optional |
| |
| from m5.objects import Cache, BasePrefetcher, StridePrefetcher |
| |
| from ....utils.override import * |
| |
| |
| class L1ICache(Cache): |
| """ |
| A simple L1 instruction cache with default values. |
| """ |
| |
| def __init__( |
| self, |
| size: str, |
| assoc: Optional[int] = 8, |
| tag_latency: Optional[int] = 1, |
| data_latency: Optional[int] = 1, |
| response_latency: Optional[int] = 1, |
| mshrs: Optional[int] = 16, |
| tgts_per_mshr: Optional[int] = 20, |
| writeback_clean: Optional[bool] = True, |
| prefetcher: BasePrefetcher = StridePrefetcher(), |
| ): |
| super(L1ICache, self).__init__() |
| self.size = size |
| self.assoc = assoc |
| self.tag_latency = tag_latency |
| self.data_latency = data_latency |
| self.response_latency = response_latency |
| self.mshrs = mshrs |
| self.tgts_per_mshr = tgts_per_mshr |
| self.writeback_clean = writeback_clean |
| self.prefetcher = prefetcher |
