Tags.py (12964:0315ef861b8a) | Tags.py (13219:454ecc63338d) |
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1# Copyright (c) 2012-2013 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 24 unchanged lines hidden (view full) --- 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Prakash Ramrakhyani 37 38from m5.params import * 39from m5.proxy import * 40from ClockedObject import ClockedObject | 1# Copyright (c) 2012-2013 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 24 unchanged lines hidden (view full) --- 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Prakash Ramrakhyani 37 38from m5.params import * 39from m5.proxy import * 40from ClockedObject import ClockedObject |
41from IndexingPolicies import * |
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41 42class BaseTags(ClockedObject): 43 type = 'BaseTags' 44 abstract = True 45 cxx_header = "mem/cache/tags/base.hh" 46 # Get the size from the parent (cache) 47 size = Param.MemorySize(Parent.size, "capacity in bytes") 48 --- 10 unchanged lines hidden (view full) --- 59 60 # Get the warmup percentage from the parent (cache) 61 warmup_percentage = Param.Percent(Parent.warmup_percentage, 62 "Percentage of tags to be touched to warm up the cache") 63 64 sequential_access = Param.Bool(Parent.sequential_access, 65 "Whether to access tags and data sequentially") 66 | 42 43class BaseTags(ClockedObject): 44 type = 'BaseTags' 45 abstract = True 46 cxx_header = "mem/cache/tags/base.hh" 47 # Get the size from the parent (cache) 48 size = Param.MemorySize(Parent.size, "capacity in bytes") 49 --- 10 unchanged lines hidden (view full) --- 60 61 # Get the warmup percentage from the parent (cache) 62 warmup_percentage = Param.Percent(Parent.warmup_percentage, 63 "Percentage of tags to be touched to warm up the cache") 64 65 sequential_access = Param.Bool(Parent.sequential_access, 66 "Whether to access tags and data sequentially") 67 |
68 # Get indexing policy 69 indexing_policy = Param.BaseIndexingPolicy(SetAssociative(), 70 "Indexing policy") 71 72 # Set the indexing entry size as the block size 73 entry_size = Param.Int(Parent.cache_line_size, 74 "Indexing entry size in bytes") 75 |
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67class BaseSetAssoc(BaseTags): 68 type = 'BaseSetAssoc' 69 cxx_header = "mem/cache/tags/base_set_assoc.hh" 70 71 # Get the cache associativity 72 assoc = Param.Int(Parent.assoc, "associativity") 73 74 # Get replacement policy from the parent (cache) --- 5 unchanged lines hidden (view full) --- 80 cxx_header = "mem/cache/tags/sector_tags.hh" 81 82 # Get the cache associativity 83 assoc = Param.Int(Parent.assoc, "associativity") 84 85 # Number of sub-sectors (data blocks) per sector 86 num_blocks_per_sector = Param.Int(1, "Number of sub-sectors per sector"); 87 | 76class BaseSetAssoc(BaseTags): 77 type = 'BaseSetAssoc' 78 cxx_header = "mem/cache/tags/base_set_assoc.hh" 79 80 # Get the cache associativity 81 assoc = Param.Int(Parent.assoc, "associativity") 82 83 # Get replacement policy from the parent (cache) --- 5 unchanged lines hidden (view full) --- 89 cxx_header = "mem/cache/tags/sector_tags.hh" 90 91 # Get the cache associativity 92 assoc = Param.Int(Parent.assoc, "associativity") 93 94 # Number of sub-sectors (data blocks) per sector 95 num_blocks_per_sector = Param.Int(1, "Number of sub-sectors per sector"); 96 |
97 # The indexing entry now is a sector block 98 entry_size = Parent.cache_line_size * Self.num_blocks_per_sector 99 |
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88 # Get replacement policy from the parent (cache) 89 replacement_policy = Param.BaseReplacementPolicy( 90 Parent.replacement_policy, "Replacement policy") 91 92class FALRU(BaseTags): 93 type = 'FALRU' 94 cxx_class = 'FALRU' 95 cxx_header = "mem/cache/tags/fa_lru.hh" 96 97 min_tracked_cache_size = Param.MemorySize("128kB", "Minimum cache size for" 98 " which we track statistics") | 100 # Get replacement policy from the parent (cache) 101 replacement_policy = Param.BaseReplacementPolicy( 102 Parent.replacement_policy, "Replacement policy") 103 104class FALRU(BaseTags): 105 type = 'FALRU' 106 cxx_class = 'FALRU' 107 cxx_header = "mem/cache/tags/fa_lru.hh" 108 109 min_tracked_cache_size = Param.MemorySize("128kB", "Minimum cache size for" 110 " which we track statistics") |
99class SkewedAssoc(BaseSetAssoc): 100 type = 'SkewedAssoc' 101 cxx_header = "mem/cache/tags/skewed_assoc.hh" | 111 112 # This tag uses its own embedded indexing 113 indexing_policy = NULL |