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mem: Add privilege info to request class

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This patch adds a flag in the request class that indicates if the request
was made in privileged mode.
This commit is contained in:
Prakash Ramrakhyani 2013-10-31 13:41:13 -05:00
parent 68dee58c38
commit 885656f2ed
2 changed files with 5 additions and 0 deletions
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2
src/arch/arm/tlb.cc
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@ -474,6 +474,8 @@ TLB::translateFs(RequestPtr req, ThreadContext *tc, Mode mode,
bool is_priv = isPriv && !(flags & UserMode);
req->setAsid(contextId.asid);
if (is_priv)
req->setFlags(Request::PRIVILEGED);
DPRINTF(TLBVerbose, "CPSR is priv:%d UserMode:%d\n",
isPriv, flags & UserMode);

3
src/mem/request.hh
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@ -111,6 +111,8 @@ class Request
static const FlagsType MMAPPED_IPR = 0x00002000;
/** This request is a clear exclusive. */
static const FlagsType CLEAR_LL = 0x00004000;
/** This request is made in privileged mode. */
static const FlagsType PRIVILEGED = 0x00008000;
/** The request should not cause a memory access. */
static const FlagsType NO_ACCESS = 0x00080000;
@ -539,6 +541,7 @@ class Request
bool isInstFetch() const { return _flags.isSet(INST_FETCH); }
bool isPrefetch() const { return _flags.isSet(PREFETCH); }
bool isLLSC() const { return _flags.isSet(LLSC); }
bool isPriv() const { return _flags.isSet(PRIVILEGED); }
bool isLocked() const { return _flags.isSet(LOCKED); }
bool isSwap() const { return _flags.isSet(MEM_SWAP|MEM_SWAP_COND); }
bool isCondSwap() const { return _flags.isSet(MEM_SWAP_COND); }