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| author | Ali Saidi <Ali.Saidi@ARM.com> | 2011-04-04 11:42:29 -0500 |
|---|---|---|
| committer | Ali Saidi <Ali.Saidi@ARM.com> | 2011-04-04 11:42:29 -0500 |
| commit | 8af1eeec6f28d9722802bf1588c911711db07ddd (patch) | |
| tree | 79f0ba732e6aa8935e78a6e8e8f15896784f370e /src/arch/arm/isa/insts/misc.isa | |
| parent | 6b6989049383b67a2daef562a0319421ff1a8067 (diff) | |
| download | gem5-8af1eeec6f28d9722802bf1588c911711db07ddd.tar.xz | |
ARM: Use CPU local lock before sending load to mem system.
This change uses the locked_mem.hh header to handle implementing CLREX. It
simplifies the current implementation greatly.
Diffstat (limited to 'src/arch/arm/isa/insts/misc.isa')
| -rw-r--r-- | src/arch/arm/isa/insts/misc.isa | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa index 35df88c81..7333faef0 100644 --- a/src/arch/arm/isa/insts/misc.isa +++ b/src/arch/arm/isa/insts/misc.isa @@ -680,18 +680,14 @@ let {{ exec_output += PredOpExecute.subst(setendIop) clrexCode = ''' - unsigned memAccessFlags = Request::CLEAR_LL | - ArmISA::TLB::AlignWord | Request::LLSC; - fault = xc->read(0, (uint32_t&)Mem, memAccessFlags); + LLSCLock = 0; ''' clrexIop = InstObjParams("clrex", "Clrex","PredOp", { "code": clrexCode, "predicate_test": predicateTest },[]) - header_output += ClrexDeclare.subst(clrexIop) + header_output += BasicDeclare.subst(clrexIop) decoder_output += BasicConstructor.subst(clrexIop) exec_output += PredOpExecute.subst(clrexIop) - exec_output += ClrexInitiateAcc.subst(clrexIop) - exec_output += ClrexCompleteAcc.subst(clrexIop) isbCode = ''' fault = new FlushPipe; |