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authorGiacomo Travaglini <giacomo.travaglini@arm.com>2017-10-23 10:54:16 +0100
committerAndreas Sandberg <andreas.sandberg@arm.com>2017-11-15 14:16:57 +0000
commit1a551746a00501331ccde9eeb19a8fb5ca8982a2 (patch)
treea0e43bd5bca9f2bacb6ed18652f312bc5bcddd3c
parentccdbc394e2f4adcb8a3b89b8df7ce403b9fbd937 (diff)
downloadgem5-1a551746a00501331ccde9eeb19a8fb5ca8982a2.tar.xz
arch-arm: Dsb instruction shouldn't flush the pipeline
DSB Instruction shouldn't flush the pipeline, hence the IsSquashAfter attribute will be removed for either the 32 and 64 bit version. Change-Id: I98b2b8bc78aa28445ed1a9b5f34645f8d71616ad Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Giacomo Gabrielli <giacomo.gabrielli@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5363 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
-rw-r--r--src/arch/arm/isa/insts/misc.isa3
-rw-r--r--src/arch/arm/isa/insts/misc64.isa3
2 files changed, 2 insertions, 4 deletions
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa
index b42c9f9dd..80ad6cdf4 100644
--- a/src/arch/arm/isa/insts/misc.isa
+++ b/src/arch/arm/isa/insts/misc.isa
@@ -1090,8 +1090,7 @@ let {{
dsbIop = InstObjParams("dsb", "Dsb", "ImmOp",
{"code": dsbCode,
"predicate_test": predicateTest},
- ['IsMemBarrier', 'IsSerializeAfter',
- 'IsSquashAfter'])
+ ['IsMemBarrier', 'IsSerializeAfter'])
header_output += ImmOpDeclare.subst(dsbIop)
decoder_output += ImmOpConstructor.subst(dsbIop)
exec_output += PredOpExecute.subst(dsbIop)
diff --git a/src/arch/arm/isa/insts/misc64.isa b/src/arch/arm/isa/insts/misc64.isa
index ac9f0a960..58f08f51e 100644
--- a/src/arch/arm/isa/insts/misc64.isa
+++ b/src/arch/arm/isa/insts/misc64.isa
@@ -146,8 +146,7 @@ let {{
exec_output += BasicExecute.subst(isbIop)
dsbIop = InstObjParams("dsb", "Dsb64", "ArmStaticInst", "",
- ['IsMemBarrier', 'IsSerializeAfter',
- 'IsSquashAfter'])
+ ['IsMemBarrier', 'IsSerializeAfter'])
header_output += BasicDeclare.subst(dsbIop)
decoder_output += BasicConstructor64.subst(dsbIop)
exec_output += BasicExecute.subst(dsbIop)