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| author | Ali Saidi <Ali.Saidi@ARM.com> | 2011-04-04 11:42:23 -0500 |
|---|---|---|
| committer | Ali Saidi <Ali.Saidi@ARM.com> | 2011-04-04 11:42:23 -0500 |
| commit | 7dde557fdc51140988092962137e1006d1609bea (patch) | |
| tree | 7511f093667759fb13a88cb204247b416295b3c9 /src/cpu/o3/O3CPU.py | |
| parent | ee489a541a8a49de4e8ca6e486081149f57de99f (diff) | |
| download | gem5-7dde557fdc51140988092962137e1006d1609bea.tar.xz | |
O3: Tighten memory order violation checking to 16 bytes.
The comment in the code suggests that the checking granularity should be 16
bytes, however in reality the shift by 8 is 256 bytes which seems much
larger than required.
Diffstat (limited to 'src/cpu/o3/O3CPU.py')
| -rw-r--r-- | src/cpu/o3/O3CPU.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cpu/o3/O3CPU.py b/src/cpu/o3/O3CPU.py index f7602cb86..f379fcd8a 100644 --- a/src/cpu/o3/O3CPU.py +++ b/src/cpu/o3/O3CPU.py @@ -118,6 +118,9 @@ class DerivO3CPU(BaseCPU): LQEntries = Param.Unsigned(32, "Number of load queue entries") SQEntries = Param.Unsigned(32, "Number of store queue entries") + LSQDepCheckShift = Param.Unsigned(4, "Number of places to shift addr before check") + LSQCheckLoads = Param.Bool(True, + "Should dependency violations be checked for loads & stores or just stores") LFSTSize = Param.Unsigned(1024, "Last fetched store table size") SSITSize = Param.Unsigned(1024, "Store set ID table size") |