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authorSteve Reinhardt <stever@eecs.umich.edu>2006-12-02 22:22:58 -0800
committerSteve Reinhardt <stever@eecs.umich.edu>2006-12-02 22:22:58 -0800
commit6f94c3c8d755d1cdd3854fde5741305afcd44b19 (patch)
tree61fb04c9072ed39cd68eeacde3445cb1466f48b4 /src/mem
parentd2a71f6b2aaad36c6420204266f006304d364ad7 (diff)
downloadgem5-6f94c3c8d755d1cdd3854fde5741305afcd44b19.tar.xz
Make cache compression policy a runtime virtual thing
instead of a template policy. --HG-- extra : convert_revision : 6a4ac7a189a950390a973fdfce94f56190de92db
Diffstat (limited to 'src/mem')
-rw-r--r--src/mem/cache/cache.cc76
-rw-r--r--src/mem/cache/cache_builder.cc101
-rw-r--r--src/mem/cache/miss/blocking_buffer.hh1
-rw-r--r--src/mem/cache/prefetch/ghb_prefetcher.cc6
-rw-r--r--src/mem/cache/prefetch/stride_prefetcher.cc6
5 files changed, 59 insertions, 131 deletions
diff --git a/src/mem/cache/cache.cc b/src/mem/cache/cache.cc
index db66c096e..54d1d151f 100644
--- a/src/mem/cache/cache.cc
+++ b/src/mem/cache/cache.cc
@@ -37,7 +37,6 @@
*/
#include "mem/config/cache.hh"
-#include "mem/config/compression.hh"
#include "mem/cache/tags/cache_tags.hh"
@@ -61,11 +60,6 @@
#include "mem/cache/tags/split_lifo.hh"
#endif
-#include "base/compression/null_compression.hh"
-#if defined(USE_LZSS_COMPRESSION)
-#include "base/compression/lzss_compression.hh"
-#endif
-
#include "mem/cache/miss/miss_queue.hh"
#include "mem/cache/miss/blocking_buffer.hh"
@@ -79,68 +73,38 @@
#if defined(USE_CACHE_FALRU)
-template class Cache<CacheTags<FALRU,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<FALRU,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<FALRU,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<FALRU,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<FALRU,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<FALRU>, BlockingBuffer, SimpleCoherence>;
+template class Cache<CacheTags<FALRU>, BlockingBuffer, UniCoherence>;
+template class Cache<CacheTags<FALRU>, MissQueue, SimpleCoherence>;
+template class Cache<CacheTags<FALRU>, MissQueue, UniCoherence>;
#endif
#if defined(USE_CACHE_IIC)
-template class Cache<CacheTags<IIC,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<IIC,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<IIC,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<IIC,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<IIC,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<IIC,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<IIC,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<IIC,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<IIC>, BlockingBuffer, SimpleCoherence>;
+template class Cache<CacheTags<IIC>, BlockingBuffer, UniCoherence>;
+template class Cache<CacheTags<IIC>, MissQueue, SimpleCoherence>;
+template class Cache<CacheTags<IIC>, MissQueue, UniCoherence>;
#endif
#if defined(USE_CACHE_LRU)
-template class Cache<CacheTags<LRU,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<LRU,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<LRU,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<LRU,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<LRU,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<LRU,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<LRU,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<LRU,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<LRU>, BlockingBuffer, SimpleCoherence>;
+template class Cache<CacheTags<LRU>, BlockingBuffer, UniCoherence>;
+template class Cache<CacheTags<LRU>, MissQueue, SimpleCoherence>;
+template class Cache<CacheTags<LRU>, MissQueue, UniCoherence>;
#endif
#if defined(USE_CACHE_SPLIT)
-template class Cache<CacheTags<Split,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<Split,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<Split,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<Split,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<Split,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<Split,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<Split,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<Split,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<Split>, BlockingBuffer, SimpleCoherence>;
+template class Cache<CacheTags<Split>, BlockingBuffer, UniCoherence>;
+template class Cache<CacheTags<Split>, MissQueue, SimpleCoherence>;
+template class Cache<CacheTags<Split>, MissQueue, UniCoherence>;
#endif
#if defined(USE_CACHE_SPLIT_LIFO)
-template class Cache<CacheTags<SplitLIFO,NullCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,NullCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<SplitLIFO,NullCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,NullCompression>, MissQueue, UniCoherence>;
-#if defined(USE_LZSS_COMPRESSION)
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, BlockingBuffer, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, BlockingBuffer, UniCoherence>;
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, MissQueue, SimpleCoherence>;
-template class Cache<CacheTags<SplitLIFO,LZSSCompression>, MissQueue, UniCoherence>;
-#endif
+template class Cache<CacheTags<SplitLIFO>, BlockingBuffer, SimpleCoherence>;
+template class Cache<CacheTags<SplitLIFO>, BlockingBuffer, UniCoherence>;
+template class Cache<CacheTags<SplitLIFO>, MissQueue, SimpleCoherence>;
+template class Cache<CacheTags<SplitLIFO>, MissQueue, UniCoherence>;
#endif
#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/mem/cache/cache_builder.cc b/src/mem/cache/cache_builder.cc
index 03646ec2a..7d4207ae1 100644
--- a/src/mem/cache/cache_builder.cc
+++ b/src/mem/cache/cache_builder.cc
@@ -37,7 +37,6 @@
// Must be included first to determine which caches we want
#include "mem/config/cache.hh"
-#include "mem/config/compression.hh"
#include "mem/config/prefetch.hh"
#include "mem/cache/base_cache.hh"
@@ -69,9 +68,7 @@
// Compression Templates
#include "base/compression/null_compression.hh"
-#if defined(USE_LZSS_COMPRESSION)
#include "base/compression/lzss_compression.hh"
-#endif
// CacheTags Templates
#include "mem/cache/tags/cache_tags.hh"
@@ -211,77 +208,47 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(BaseCache)
END_INIT_SIM_OBJECT_PARAMS(BaseCache)
-#define BUILD_CACHE(t, comp, b, c) do { \
- Prefetcher<CacheTags<t, comp>, b> *pf; \
+#define BUILD_CACHE(t, b, c) do { \
+ Prefetcher<CacheTags<t>, b> *pf; \
if (pf_policy == "tagged") { \
- BUILD_TAGGED_PREFETCHER(t, comp, b); \
+ BUILD_TAGGED_PREFETCHER(t, b); \
} \
else if (pf_policy == "stride") { \
- BUILD_STRIDED_PREFETCHER(t, comp, b); \
+ BUILD_STRIDED_PREFETCHER(t, b); \
} \
else if (pf_policy == "ghb") { \
- BUILD_GHB_PREFETCHER(t, comp, b); \
+ BUILD_GHB_PREFETCHER(t, b); \
} \
else { \
- BUILD_NULL_PREFETCHER(t, comp, b); \
+ BUILD_NULL_PREFETCHER(t, b); \
} \
- Cache<CacheTags<t, comp>, b, c>::Params params(tagStore, mq, coh, \
+ Cache<CacheTags<t>, b, c>::Params params(tagStore, mq, coh, \
base_params, \
- /*in_bus, out_bus,*/ pf, \
+ pf, \
prefetch_access, hit_latency); \
- Cache<CacheTags<t, comp>, b, c> *retval = \
- new Cache<CacheTags<t, comp>, b, c>(getInstanceName(), /*hier,*/ \
- params); \
-/* if (in_bus == NULL) { \
- retval->setSlaveInterface(new MemoryInterface<Cache<CacheTags<t, comp>, b, c> >(getInstanceName(), hier, retval, mem_trace)); \
- } else { \
- retval->setSlaveInterface(new SlaveInterface<Cache<CacheTags<t, comp>, b, c>, Bus>(getInstanceName(), hier, retval, in_bus, mem_trace)); \
- } \
- retval->setMasterInterface(new MasterInterface<Cache<CacheTags<t, comp>, b, c>, Bus>(getInstanceName(), hier, retval, out_bus)); \
- out_bus->rangeChange(); \
- return retval; \
-*/return retval; \
+ Cache<CacheTags<t>, b, c> *retval = \
+ new Cache<CacheTags<t>, b, c>(getInstanceName(), params); \
+return retval; \
} while (0)
#define BUILD_CACHE_PANIC(x) do { \
panic("%s not compiled into M5", x); \
} while (0)
-#if defined(USE_LZSS_COMPRESSION)
-#define BUILD_COMPRESSED_CACHE(TAGS, tags, b, c) do { \
- if (compressed_bus || store_compressed){ \
- CacheTags<TAGS, LZSSCompression> *tagStore = \
- new CacheTags<TAGS, LZSSCompression>(tags, \
- compression_latency, \
- true, store_compressed, \
- adaptive_compression, \
- prefetch_miss); \
- BUILD_CACHE(TAGS, LZSSCompression, b, c); \
- } else { \
- CacheTags<TAGS, NullCompression> *tagStore = \
- new CacheTags<TAGS, NullCompression>(tags, \
- compression_latency, \
- true, store_compressed, \
- adaptive_compression, \
- prefetch_miss); \
- BUILD_CACHE(TAGS, NullCompression, b, c); \
- } \
- } while (0)
-#else
-#define BUILD_COMPRESSED_CACHE(TAGS, tags, b, c) do { \
- if (compressed_bus || store_compressed){ \
- BUILD_CACHE_PANIC("compressed caches"); \
+#define BUILD_COMPRESSED_CACHE(TAGS, tags, b, c) \
+ do { \
+ CompressionAlgorithm *compAlg; \
+ if (compressed_bus || store_compressed) { \
+ compAlg = new LZSSCompression(); \
} else { \
- CacheTags<TAGS, NullCompression> *tagStore = \
- new CacheTags<TAGS, NullCompression>(tags, \
- compression_latency, \
- true, store_compressed, \
- adaptive_compression \
- prefetch_miss); \
- BUILD_CACHE(TAGS, NullCompression, b, c); \
+ compAlg = new NullCompression(); \
} \
+ CacheTags<TAGS> *tagStore = \
+ new CacheTags<TAGS>(tags, compression_latency, true, \
+ store_compressed, adaptive_compression, \
+ compAlg, prefetch_miss); \
+ BUILD_CACHE(TAGS, b, c); \
} while (0)
-#endif
#if defined(USE_CACHE_FALRU)
#define BUILD_FALRU_CACHE(b,c) do { \
@@ -359,8 +326,8 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
} while (0)
#if defined(USE_TAGGED)
-#define BUILD_TAGGED_PREFETCHER(t, comp, b) pf = new \
- TaggedPrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_TAGGED_PREFETCHER(t, b) pf = new \
+ TaggedPrefetcher<CacheTags<t>, b>(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -368,12 +335,12 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_latency, \
prefetch_degree)
#else
-#define BUILD_TAGGED_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("Tagged Prefetcher")
+#define BUILD_TAGGED_PREFETCHER(t, b) BUILD_CACHE_PANIC("Tagged Prefetcher")
#endif
#if defined(USE_STRIDED)
-#define BUILD_STRIDED_PREFETCHER(t, comp, b) pf = new \
- StridePrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_STRIDED_PREFETCHER(t, b) pf = new \
+ StridePrefetcher<CacheTags<t>, b>(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -382,12 +349,12 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_degree, \
prefetch_use_cpu_id)
#else
-#define BUILD_STRIDED_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("Stride Prefetcher")
+#define BUILD_STRIDED_PREFETCHER(t, b) BUILD_CACHE_PANIC("Stride Prefetcher")
#endif
#if defined(USE_GHB)
-#define BUILD_GHB_PREFETCHER(t, comp, b) pf = new \
- GHBPrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_GHB_PREFETCHER(t, b) pf = new \
+ GHBPrefetcher<CacheTags<t>, b>(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -396,12 +363,12 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_degree, \
prefetch_use_cpu_id)
#else
-#define BUILD_GHB_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("GHB Prefetcher")
+#define BUILD_GHB_PREFETCHER(t, b) BUILD_CACHE_PANIC("GHB Prefetcher")
#endif
#if defined(USE_TAGGED)
-#define BUILD_NULL_PREFETCHER(t, comp, b) pf = new \
- TaggedPrefetcher<CacheTags<t, comp>, b>(prefetcher_size, \
+#define BUILD_NULL_PREFETCHER(t, b) pf = new \
+ TaggedPrefetcher<CacheTags<t>, b>(prefetcher_size, \
!prefetch_past_page, \
prefetch_serial_squash, \
prefetch_cache_check_push, \
@@ -409,7 +376,7 @@ END_INIT_SIM_OBJECT_PARAMS(BaseCache)
prefetch_latency, \
prefetch_degree)
#else
-#define BUILD_NULL_PREFETCHER(t, comp, b) BUILD_CACHE_PANIC("NULL Prefetcher (uses Tagged)")
+#define BUILD_NULL_PREFETCHER(t, b) BUILD_CACHE_PANIC("NULL Prefetcher (uses Tagged)")
#endif
CREATE_SIM_OBJECT(BaseCache)
diff --git a/src/mem/cache/miss/blocking_buffer.hh b/src/mem/cache/miss/blocking_buffer.hh
index 934a843a6..a952c688c 100644
--- a/src/mem/cache/miss/blocking_buffer.hh
+++ b/src/mem/cache/miss/blocking_buffer.hh
@@ -38,6 +38,7 @@
#include <vector>
+#include "base/misc.hh" // for fatal()
#include "mem/cache/miss/mshr.hh"
#include "base/statistics.hh"
diff --git a/src/mem/cache/prefetch/ghb_prefetcher.cc b/src/mem/cache/prefetch/ghb_prefetcher.cc
index 247ec6e8b..dd1b8aee4 100644
--- a/src/mem/cache/prefetch/ghb_prefetcher.cc
+++ b/src/mem/cache/prefetch/ghb_prefetcher.cc
@@ -38,8 +38,6 @@
#include "mem/cache/tags/lru.hh"
-#include "base/compression/null_compression.hh"
-
#include "mem/cache/miss/miss_queue.hh"
#include "mem/cache/miss/blocking_buffer.hh"
@@ -48,7 +46,7 @@
// Template Instantiations
#ifndef DOXYGEN_SHOULD_SKIP_THIS
-template class GHBPrefetcher<CacheTags<LRU,NullCompression>, MissQueue>;
-template class GHBPrefetcher<CacheTags<LRU,NullCompression>, BlockingBuffer>;
+template class GHBPrefetcher<CacheTags<LRU>, MissQueue>;
+template class GHBPrefetcher<CacheTags<LRU>, BlockingBuffer>;
#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/mem/cache/prefetch/stride_prefetcher.cc b/src/mem/cache/prefetch/stride_prefetcher.cc
index 93a096468..c3b428dab 100644
--- a/src/mem/cache/prefetch/stride_prefetcher.cc
+++ b/src/mem/cache/prefetch/stride_prefetcher.cc
@@ -38,8 +38,6 @@
#include "mem/cache/tags/lru.hh"
-#include "base/compression/null_compression.hh"
-
#include "mem/cache/miss/miss_queue.hh"
#include "mem/cache/miss/blocking_buffer.hh"
@@ -48,7 +46,7 @@
// Template Instantiations
#ifndef DOXYGEN_SHOULD_SKIP_THIS
-template class StridePrefetcher<CacheTags<LRU,NullCompression>, MissQueue>;
-template class StridePrefetcher<CacheTags<LRU,NullCompression>, BlockingBuffer>;
+template class StridePrefetcher<CacheTags<LRU>, MissQueue>;
+template class StridePrefetcher<CacheTags<LRU>, BlockingBuffer>;
#endif //DOXYGEN_SHOULD_SKIP_THIS