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authorGiacomo Travaglini <giacomo.travaglini@arm.com>2017-11-06 15:22:43 +0000
committerGiacomo Travaglini <giacomo.travaglini@arm.com>2018-02-05 09:44:22 +0000
commiteea11aedcfe18b29d6e63243bc1acb51441ef523 (patch)
treea8da293007189f6217164adfccb3157f57679fad
parent4910d36e765875b6531b13c2a98f958082cc3de0 (diff)
downloadgem5-eea11aedcfe18b29d6e63243bc1acb51441ef523.tar.xz
arch-arm: Removing Serializing flag from ISB
ISB Serializing behaviour is guaranteed by IsSquashAfter, which is inherently serializing; when instruction is commited, consecutive instructions are flushed and refetched. Change-Id: I05e61b4cf9f01113d95b1502c996d04cbd69b759 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5701 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
-rw-r--r--src/arch/arm/isa/insts/misc.isa2
-rw-r--r--src/arch/arm/isa/insts/misc64.isa2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa
index ae8474f79..5fd18c469 100644
--- a/src/arch/arm/isa/insts/misc.isa
+++ b/src/arch/arm/isa/insts/misc.isa
@@ -1154,7 +1154,7 @@ let {{
isbIop = InstObjParams("isb", "Isb", "ImmOp",
{"code": isbCode,
"predicate_test": predicateTest},
- ['IsSerializeAfter', 'IsSquashAfter'])
+ ['IsSquashAfter'])
header_output += ImmOpDeclare.subst(isbIop)
decoder_output += ImmOpConstructor.subst(isbIop)
exec_output += PredOpExecute.subst(isbIop)
diff --git a/src/arch/arm/isa/insts/misc64.isa b/src/arch/arm/isa/insts/misc64.isa
index dd6711e62..2483b75b0 100644
--- a/src/arch/arm/isa/insts/misc64.isa
+++ b/src/arch/arm/isa/insts/misc64.isa
@@ -140,7 +140,7 @@ let {{
exec_output += BasicExecute.subst(unknown64Iop)
isbIop = InstObjParams("isb", "Isb64", "ArmStaticInst", "",
- ['IsSerializeAfter', 'IsSquashAfter'])
+ ['IsSquashAfter'])
header_output += BasicDeclare.subst(isbIop)
decoder_output += BasicConstructor64.subst(isbIop)
exec_output += BasicExecute.subst(isbIop)