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Ruby Cache: Add param for marking caches as instruction only

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This commit is contained in:
Nilay Vaish 2012-01-07 07:38:53 -06:00
parent ce941fd2ae
commit 10c2e8ae9a
3 changed files with 4 additions and 1 deletions
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3
configs/ruby/MOESI_hammer.py
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@ -88,7 +88,8 @@ def create_system(options, system, piobus, dma_devices, ruby_system):
#
l1i_cache = L1Cache(size = options.l1i_size,
assoc = options.l1i_assoc,
start_index_bit = block_size_bits)
start_index_bit = block_size_bits,
is_icache = True)
l1d_cache = L1Cache(size = options.l1d_size,
assoc = options.l1d_assoc,
start_index_bit = block_size_bits)

1
src/mem/ruby/system/Cache.py
View file

@ -39,3 +39,4 @@ class RubyCache(SimObject):
assoc = Param.Int("");
replacement_policy = Param.String("PSEUDO_LRU", "");
start_index_bit = Param.Int(6, "index start, default 6 for 64-byte line");
is_icache = Param.Bool(False, "is instruction only cache");

1
src/mem/ruby/system/CacheMemory.cc
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@ -55,6 +55,7 @@ CacheMemory::CacheMemory(const Params *p)
m_policy = p->replacement_policy;
m_profiler_ptr = new CacheProfiler(name());
m_start_index_bit = p->start_index_bit;
m_is_instruction_only_cache = p->is_icache;
}
void