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scons,misc: Update default X86 protocol to MESI_Two_Level

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MI_Example is a particularly poor protocol as the default for X86.
MESI_Two_Level is a suitable replacement.

The primary reason for this change is so the vanilla X86 build can run
the X86DemoBoard, submitted here:
https://gem5-review.googlesource.com/c/public/gem5/+/53004

Change-Id: I46212f795684bd1f2ce285c69ffcad2f148ab328
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53503
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
This commit is contained in:
Bobby R. Bruce
2021-11-30 15:39:36 -08:00
committed by Bobby Bruce
parent 35362d15f5
commit 331be22adb
9 changed files with 15 additions and 20 deletions
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5
build_opts/X86
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@@ -1,3 +1,4 @@
TARGET_ISA = 'x86'
CPU_MODELS = 'AtomicSimpleCPU,O3CPU,TimingSimpleCPU'
PROTOCOL = 'MI_example'
CPU_MODELS = 'TimingSimpleCPU,O3CPU,AtomicSimpleCPU'
PROTOCOL = 'MESI_Two_Level'
NUMBER_BITS_PER_SET = '128'