CacheMemory.cc (11308:7d8836fd043d) CacheMemory.cc (11321:02e930db812d)
1/*
2 * Copyright (c) 1999-2012 Mark D. Hill and David A. Wood
3 * Copyright (c) 2013 Advanced Micro Devices, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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318
319// looks an address up in the cache
320AbstractCacheEntry*
321CacheMemory::lookup(Addr address)
322{
323 assert(address == makeLineAddress(address));
324 int64_t cacheSet = addressToCacheSet(address);
325 int loc = findTagInSet(cacheSet, address);
1/*
2 * Copyright (c) 1999-2012 Mark D. Hill and David A. Wood
3 * Copyright (c) 2013 Advanced Micro Devices, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

--- 309 unchanged lines hidden (view full) ---

318
319// looks an address up in the cache
320AbstractCacheEntry*
321CacheMemory::lookup(Addr address)
322{
323 assert(address == makeLineAddress(address));
324 int64_t cacheSet = addressToCacheSet(address);
325 int loc = findTagInSet(cacheSet, address);
326 if(loc == -1) return NULL;
326 if (loc == -1) return NULL;
327 return m_cache[cacheSet][loc];
328}
329
330// looks an address up in the cache
331const AbstractCacheEntry*
332CacheMemory::lookup(Addr address) const
333{
334 assert(address == makeLineAddress(address));
335 int64_t cacheSet = addressToCacheSet(address);
336 int loc = findTagInSet(cacheSet, address);
327 return m_cache[cacheSet][loc];
328}
329
330// looks an address up in the cache
331const AbstractCacheEntry*
332CacheMemory::lookup(Addr address) const
333{
334 assert(address == makeLineAddress(address));
335 int64_t cacheSet = addressToCacheSet(address);
336 int loc = findTagInSet(cacheSet, address);
337 if(loc == -1) return NULL;
337 if (loc == -1) return NULL;
338 return m_cache[cacheSet][loc];
339}
340
341// Sets the most recently used bit for a cache block
342void
343CacheMemory::setMRU(Addr address)
344{
345 int64_t cacheSet = addressToCacheSet(address);
346 int loc = findTagInSet(cacheSet, address);
347
338 return m_cache[cacheSet][loc];
339}
340
341// Sets the most recently used bit for a cache block
342void
343CacheMemory::setMRU(Addr address)
344{
345 int64_t cacheSet = addressToCacheSet(address);
346 int loc = findTagInSet(cacheSet, address);
347
348 if(loc != -1)
348 if (loc != -1)
349 m_replacementPolicy_ptr->touch(cacheSet, loc, curTick());
350}
351
352void
353CacheMemory::setMRU(const AbstractCacheEntry *e)
354{
355 uint32_t cacheSet = e->getSetIndex();
356 uint32_t loc = e->getWayIndex();
357 m_replacementPolicy_ptr->touch(cacheSet, loc, curTick());
358}
359
360void
361CacheMemory::setMRU(Addr address, int occupancy)
362{
363 int64_t cacheSet = addressToCacheSet(address);
364 int loc = findTagInSet(cacheSet, address);
365
349 m_replacementPolicy_ptr->touch(cacheSet, loc, curTick());
350}
351
352void
353CacheMemory::setMRU(const AbstractCacheEntry *e)
354{
355 uint32_t cacheSet = e->getSetIndex();
356 uint32_t loc = e->getWayIndex();
357 m_replacementPolicy_ptr->touch(cacheSet, loc, curTick());
358}
359
360void
361CacheMemory::setMRU(Addr address, int occupancy)
362{
363 int64_t cacheSet = addressToCacheSet(address);
364 int loc = findTagInSet(cacheSet, address);
365
366 if(loc != -1) {
366 if (loc != -1) {
367 if (m_replacementPolicy_ptr->useOccupancy()) {
368 (static_cast<WeightedLRUPolicy*>(m_replacementPolicy_ptr))->
369 touch(cacheSet, loc, curTick(), occupancy);
370 } else {
371 m_replacementPolicy_ptr->
372 touch(cacheSet, loc, curTick());
373 }
374 }
375}
376
377int
378CacheMemory::getReplacementWeight(int64_t set, int64_t loc)
379{
380 assert(set < m_cache_num_sets);
381 assert(loc < m_cache_assoc);
382 int ret = 0;
367 if (m_replacementPolicy_ptr->useOccupancy()) {
368 (static_cast<WeightedLRUPolicy*>(m_replacementPolicy_ptr))->
369 touch(cacheSet, loc, curTick(), occupancy);
370 } else {
371 m_replacementPolicy_ptr->
372 touch(cacheSet, loc, curTick());
373 }
374 }
375}
376
377int
378CacheMemory::getReplacementWeight(int64_t set, int64_t loc)
379{
380 assert(set < m_cache_num_sets);
381 assert(loc < m_cache_assoc);
382 int ret = 0;
383 if(m_cache[set][loc] != NULL) {
383 if (m_cache[set][loc] != NULL) {
384 ret = m_cache[set][loc]->getNumValidBlocks();
385 assert(ret >= 0);
386 }
387
388 return ret;
389}
390
391void

--- 261 unchanged lines hidden --- 		384 ret = m_cache[set][loc]->getNumValidBlocks();
385 assert(ret >= 0);
386 }
387
388 return ret;
389}
390
391void

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