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authorDavid Hashe <david.hashe@amd.com>2015-07-20 09:15:18 -0500
committerDavid Hashe <david.hashe@amd.com>2015-07-20 09:15:18 -0500
commit1850ed410fc85d7ac367dc7b378e5509d62ed900 (patch)
treebf5fa000a7eb57681afea983309e47faf27fb033 /src/mem/ruby/structures/LRUPolicy.hh
parent74ca89f8b7d9b340d1d4f83511b57a2dfa2a70df (diff)
downloadgem5-1850ed410fc85d7ac367dc7b378e5509d62ed900.tar.xz
ruby: initialize replacement policies with their own simobjs
this is in preparation for other replacement policies that take additional parameters.
Diffstat (limited to 'src/mem/ruby/structures/LRUPolicy.hh')
-rw-r--r--src/mem/ruby/structures/LRUPolicy.hh53
1 files changed, 3 insertions, 50 deletions
diff --git a/src/mem/ruby/structures/LRUPolicy.hh b/src/mem/ruby/structures/LRUPolicy.hh
index c6203a4a6..9a9c9e3eb 100644
--- a/src/mem/ruby/structures/LRUPolicy.hh
+++ b/src/mem/ruby/structures/LRUPolicy.hh
@@ -30,66 +30,19 @@
#define __MEM_RUBY_STRUCTURES_LRUPOLICY_HH__
#include "mem/ruby/structures/AbstractReplacementPolicy.hh"
+#include "params/LRUReplacementPolicy.hh"
/* Simple true LRU replacement policy */
class LRUPolicy : public AbstractReplacementPolicy
{
public:
- LRUPolicy(int64 num_sets, int64 assoc);
+ typedef LRUReplacementPolicyParams Params;
+ LRUPolicy(const Params * p);
~LRUPolicy();
void touch(int64 set, int64 way, Tick time);
int64 getVictim(int64 set) const;
};
-inline
-LRUPolicy::LRUPolicy(int64 num_sets, int64 assoc)
- : AbstractReplacementPolicy(num_sets, assoc)
-{
-}
-
-inline
-LRUPolicy::~LRUPolicy()
-{
-}
-
-inline void
-LRUPolicy::touch(int64 set, int64 index, Tick time)
-{
- assert(index >= 0 && index < m_assoc);
- assert(set >= 0 && set < m_num_sets);
-
- m_last_ref_ptr[set][index] = time;
-}
-
-inline int64
-LRUPolicy::getVictim(int64 set) const
-{
- // assert(m_assoc != 0);
- Tick time, smallest_time;
- int64 smallest_index;
-
- smallest_index = 0;
- smallest_time = m_last_ref_ptr[set][0];
-
- for (unsigned i = 0; i < m_assoc; i++) {
- time = m_last_ref_ptr[set][i];
- // assert(m_cache[cacheSet][i].m_Permission !=
- // AccessPermission_NotPresent);
-
- if (time < smallest_time) {
- smallest_index = i;
- smallest_time = time;
- }
- }
-
- // DEBUG_EXPR(CACHE_COMP, MedPrio, cacheSet);
- // DEBUG_EXPR(CACHE_COMP, MedPrio, smallest_index);
- // DEBUG_EXPR(CACHE_COMP, MedPrio, m_cache[cacheSet][smallest_index]);
- // DEBUG_EXPR(CACHE_COMP, MedPrio, *this);
-
- return smallest_index;
-}
-
#endif // __MEM_RUBY_STRUCTURES_LRUPOLICY_HH__