diff options
Diffstat (limited to 'src/mem/cache/tags/Tags.py')
| -rw-r--r-- | src/mem/cache/tags/Tags.py | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/mem/cache/tags/Tags.py b/src/mem/cache/tags/Tags.py index 781ac8e3f..8e302898c 100644 --- a/src/mem/cache/tags/Tags.py +++ b/src/mem/cache/tags/Tags.py @@ -38,6 +38,7 @@ from m5.params import * from m5.proxy import * from ClockedObject import ClockedObject +from IndexingPolicies import * class BaseTags(ClockedObject): type = 'BaseTags' @@ -64,6 +65,14 @@ class BaseTags(ClockedObject): sequential_access = Param.Bool(Parent.sequential_access, "Whether to access tags and data sequentially") + # Get indexing policy + indexing_policy = Param.BaseIndexingPolicy(SetAssociative(), + "Indexing policy") + + # Set the indexing entry size as the block size + entry_size = Param.Int(Parent.cache_line_size, + "Indexing entry size in bytes") + class BaseSetAssoc(BaseTags): type = 'BaseSetAssoc' cxx_header = "mem/cache/tags/base_set_assoc.hh" @@ -85,6 +94,9 @@ class SectorTags(BaseTags): # Number of sub-sectors (data blocks) per sector num_blocks_per_sector = Param.Int(1, "Number of sub-sectors per sector"); + # The indexing entry now is a sector block + entry_size = Parent.cache_line_size * Self.num_blocks_per_sector + # Get replacement policy from the parent (cache) replacement_policy = Param.BaseReplacementPolicy( Parent.replacement_policy, "Replacement policy") @@ -96,6 +108,6 @@ class FALRU(BaseTags): min_tracked_cache_size = Param.MemorySize("128kB", "Minimum cache size for" " which we track statistics") -class SkewedAssoc(BaseSetAssoc): - type = 'SkewedAssoc' - cxx_header = "mem/cache/tags/skewed_assoc.hh" + + # This tag uses its own embedded indexing + indexing_policy = NULL |