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authorPrakash Ramrakhyani <prakash.ramrakhyani@arm.com>2013-10-31 13:41:13 -0500
committerPrakash Ramrakhyani <prakash.ramrakhyani@arm.com>2013-10-31 13:41:13 -0500
commit885656f2ed55a0a6432ae2beb960944a2a50efcc (patch)
tree7b511e9eb05b437de64306a93130a5c42481f155 /src
parent68dee58c38a6f861829522d47510c294459e7494 (diff)
downloadgem5-885656f2ed55a0a6432ae2beb960944a2a50efcc.tar.xz
mem: Add privilege info to request class
This patch adds a flag in the request class that indicates if the request was made in privileged mode.
Diffstat (limited to 'src')
-rw-r--r--src/arch/arm/tlb.cc2
-rw-r--r--src/mem/request.hh3
2 files changed, 5 insertions, 0 deletions
diff --git a/src/arch/arm/tlb.cc b/src/arch/arm/tlb.cc
index 7a79725e1..107901f99 100644
--- a/src/arch/arm/tlb.cc
+++ b/src/arch/arm/tlb.cc
@@ -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);
diff --git a/src/mem/request.hh b/src/mem/request.hh
index f37e34dd4..a0ff50910 100644
--- a/src/mem/request.hh
+++ b/src/mem/request.hh
@@ -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); }