derek/gem5
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arch-arm: Removing Serializing flag from ISB

Browse Source 
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>
This commit is contained in:
Giacomo Travaglini
2017-11-06 15:22:43 +00:00
parent 4910d36e76
commit eea11aedcf
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/arch/arm/isa/insts/misc.isa
View File

@@ -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)

2
src/arch/arm/isa/insts/misc64.isa
View File

@@ -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)