From: Gene Wu <Gene.Wu@arm.com>
Date: Mon, 23 Aug 2010 16:18:41 +0000 (-0500)
Subject: ARM: For non-cachable accesses set the UNCACHABLE flag
X-Git-Tag: stable_2012_02_02~889
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aa601750f8161fcd60b1083067d5bcd5e48a7ccc;p=gem5.git

ARM: For non-cachable accesses set the UNCACHABLE flag
---

diff --git a/src/arch/arm/tlb.cc b/src/arch/arm/tlb.cc
index b7e951767..afa45901a 100644
--- a/src/arch/arm/tlb.cc
+++ b/src/arch/arm/tlb.cc
@@ -360,6 +360,7 @@ TLB::translateFs(RequestPtr req, ThreadContext *tc, Mode mode,
     // a bit of a hack but this effectively clrears this processors monitor
     if (flags & Clrex){
        req->setPaddr(0);
+       req->setFlags(Request::UNCACHEABLE);
        return NoFault;
     }
     if (!is_fetch) {
@@ -430,7 +431,8 @@ TLB::translateFs(RequestPtr req, ThreadContext *tc, Mode mode,
             outerAttrs: %d\n",
             te->shareable, te->innerAttrs, te->outerAttrs);
     setAttr(te->attributes);
-
+    if (te->nonCacheable)
+        req->setFlags(Request::UNCACHEABLE);
     uint32_t dacr = tc->readMiscReg(MISCREG_DACR);
     switch ( (dacr >> (te->domain * 2)) & 0x3) {
       case 0: