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arm, mem: Remove unused CLEAR_LL request flag

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Cleaning up dead code. The CLREX stores zero directly to
MISCREG_LOCKFLAG and so the request flag is no longer needed. The
corresponding functionality in the cache tags is also removed.
This commit is contained in:
Andreas Hansson
2015-08-21 07:03:25 -04:00
parent bda79817c8
commit 6eb434c8a2
8 changed files with 0 additions and 50 deletions
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10
src/arch/arm/tlb.cc
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@@ -977,16 +977,6 @@ TLB::translateFs(RequestPtr req, ThreadContext *tc, Mode mode,
"flags %#x tranType 0x%x\n", vaddr_tainted, mode, isStage2,
scr, sctlr, flags, tranType);
// If this is a clrex instruction, provide a PA of 0 with no fault
// This will force the monitor to set the tracked address to 0
// a bit of a hack but this effectively clrears this processors monitor
if (flags & Request::CLEAR_LL){
// @todo: check implications of security extensions
req->setPaddr(0);
req->setFlags(Request::UNCACHEABLE | Request::STRICT_ORDER);
req->setFlags(Request::CLEAR_LL);
return NoFault;
}
if ((req->isInstFetch() && (!sctlr.i)) ||
((!req->isInstFetch()) && (!sctlr.c))){
req->setFlags(Request::UNCACHEABLE | Request::STRICT_ORDER);