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author | David Hashe <david.hashe@amd.com> | 2015-07-20 09:15:18 -0500 |
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committer | David Hashe <david.hashe@amd.com> | 2015-07-20 09:15:18 -0500 |
commit | 1850ed410fc85d7ac367dc7b378e5509d62ed900 (patch) | |
tree | bf5fa000a7eb57681afea983309e47faf27fb033 /src/mem/ruby/structures/AbstractReplacementPolicy.hh | |
parent | 74ca89f8b7d9b340d1d4f83511b57a2dfa2a70df (diff) | |
download | gem5-1850ed410fc85d7ac367dc7b378e5509d62ed900.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/AbstractReplacementPolicy.hh')
-rw-r--r-- | src/mem/ruby/structures/AbstractReplacementPolicy.hh | 44 |
1 files changed, 8 insertions, 36 deletions
diff --git a/src/mem/ruby/structures/AbstractReplacementPolicy.hh b/src/mem/ruby/structures/AbstractReplacementPolicy.hh index 5601d8537..d007c98c8 100644 --- a/src/mem/ruby/structures/AbstractReplacementPolicy.hh +++ b/src/mem/ruby/structures/AbstractReplacementPolicy.hh @@ -30,11 +30,15 @@ #define __MEM_RUBY_STRUCTURES_ABSTRACTREPLACEMENTPOLICY_HH__ #include "base/types.hh" +#include "mem/ruby/common/TypeDefines.hh" +#include "params/ReplacementPolicy.hh" +#include "sim/sim_object.hh" -class AbstractReplacementPolicy +class AbstractReplacementPolicy : public SimObject { public: - AbstractReplacementPolicy(int64 num_sets, int64 assoc); + typedef ReplacementPolicyParams Params; + AbstractReplacementPolicy(const Params * p); virtual ~AbstractReplacementPolicy(); /* touch a block. a.k.a. update timestamp */ @@ -46,44 +50,12 @@ class AbstractReplacementPolicy /* get the time of the last access */ Tick getLastAccess(int64 set, int64 way); + virtual bool useOccupancy() const { return false; } + protected: unsigned m_num_sets; /** total number of sets */ unsigned m_assoc; /** set associativity */ Tick **m_last_ref_ptr; /** timestamp of last reference */ }; -inline -AbstractReplacementPolicy::AbstractReplacementPolicy(int64 num_sets, - int64 assoc) -{ - m_num_sets = num_sets; - m_assoc = assoc; - m_last_ref_ptr = new Tick*[m_num_sets]; - for(unsigned i = 0; i < m_num_sets; i++){ - m_last_ref_ptr[i] = new Tick[m_assoc]; - for(unsigned j = 0; j < m_assoc; j++){ - m_last_ref_ptr[i][j] = 0; - } - } -} - -inline -AbstractReplacementPolicy::~AbstractReplacementPolicy() -{ - if (m_last_ref_ptr != NULL){ - for (unsigned i = 0; i < m_num_sets; i++){ - if (m_last_ref_ptr[i] != NULL){ - delete[] m_last_ref_ptr[i]; - } - } - delete[] m_last_ref_ptr; - } -} - -inline Tick -AbstractReplacementPolicy::getLastAccess(int64 set, int64 way) -{ - return m_last_ref_ptr[set][way]; -} - #endif // __MEM_RUBY_STRUCTURES_ABSTRACTREPLACEMENTPOLICY_HH__ |