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authorGiacomo Travaglini <giacomo.travaglini@arm.com>2018-06-04 09:40:19 +0100
committerGiacomo Travaglini <giacomo.travaglini@arm.com>2018-06-11 16:55:30 +0000
commitf54020eb8155371725ab75b0fc5c419287eca084 (patch)
tree65d379f7603e689e083e9a58ff4c2e90abd19fbf /src/arch/x86/pagetable_walker.hh
parent2113b21996d086dab32b9fd388efe3df241bfbd2 (diff)
downloadgem5-f54020eb8155371725ab75b0fc5c419287eca084.tar.xz
misc: Using smart pointers for memory Requests
This patch is changing the underlying type for RequestPtr from Request* to shared_ptr<Request>. Having memory requests being managed by smart pointers will simplify the code; it will also prevent memory leakage and dangling pointers. Change-Id: I7749af38a11ac8eb4d53d8df1252951e0890fde3 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/10996 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Diffstat (limited to 'src/arch/x86/pagetable_walker.hh')
-rw-r--r--src/arch/x86/pagetable_walker.hh14
1 files changed, 7 insertions, 7 deletions
diff --git a/src/arch/x86/pagetable_walker.hh b/src/arch/x86/pagetable_walker.hh
index d5aa631d2..edca24795 100644
--- a/src/arch/x86/pagetable_walker.hh
+++ b/src/arch/x86/pagetable_walker.hh
@@ -113,12 +113,12 @@ namespace X86ISA
bool started;
public:
WalkerState(Walker * _walker, BaseTLB::Translation *_translation,
- RequestPtr _req, bool _isFunctional = false) :
- walker(_walker), req(_req), state(Ready),
- nextState(Ready), inflight(0),
- translation(_translation),
- functional(_isFunctional), timing(false),
- retrying(false), started(false)
+ const RequestPtr &_req, bool _isFunctional = false) :
+ walker(_walker), req(_req), state(Ready),
+ nextState(Ready), inflight(0),
+ translation(_translation),
+ functional(_isFunctional), timing(false),
+ retrying(false), started(false)
{
}
void initState(ThreadContext * _tc, BaseTLB::Mode _mode,
@@ -157,7 +157,7 @@ namespace X86ISA
public:
// Kick off the state machine.
Fault start(ThreadContext * _tc, BaseTLB::Translation *translation,
- RequestPtr req, BaseTLB::Mode mode);
+ const RequestPtr &req, BaseTLB::Mode mode);
Fault startFunctional(ThreadContext * _tc, Addr &addr,
unsigned &logBytes, BaseTLB::Mode mode);
BaseMasterPort &getMasterPort(const std::string &if_name,