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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/cpu/o3/lsq.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/cpu/o3/lsq.hh')
-rw-r--r--src/cpu/o3/lsq.hh12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/cpu/o3/lsq.hh b/src/cpu/o3/lsq.hh
index 6bc9b3d73..7c78156d5 100644
--- a/src/cpu/o3/lsq.hh
+++ b/src/cpu/o3/lsq.hh
@@ -274,13 +274,15 @@ class LSQ {
/** Executes a read operation, using the load specified at the load
* index.
*/
- Fault read(RequestPtr req, RequestPtr sreqLow, RequestPtr sreqHigh,
+ Fault read(const RequestPtr &req,
+ RequestPtr &sreqLow, RequestPtr &sreqHigh,
int load_idx);
/** Executes a store operation, using the store specified at the store
* index.
*/
- Fault write(RequestPtr req, RequestPtr sreqLow, RequestPtr sreqHigh,
+ Fault write(const RequestPtr &req,
+ const RequestPtr &sreqLow, const RequestPtr &sreqHigh,
uint8_t *data, int store_idx);
/**
@@ -331,7 +333,8 @@ class LSQ {
template <class Impl>
Fault
-LSQ<Impl>::read(RequestPtr req, RequestPtr sreqLow, RequestPtr sreqHigh,
+LSQ<Impl>::read(const RequestPtr &req,
+ RequestPtr &sreqLow, RequestPtr &sreqHigh,
int load_idx)
{
ThreadID tid = cpu->contextToThread(req->contextId());
@@ -341,7 +344,8 @@ LSQ<Impl>::read(RequestPtr req, RequestPtr sreqLow, RequestPtr sreqHigh,
template <class Impl>
Fault
-LSQ<Impl>::write(RequestPtr req, RequestPtr sreqLow, RequestPtr sreqHigh,
+LSQ<Impl>::write(const RequestPtr &req,
+ const RequestPtr &sreqLow, const RequestPtr &sreqHigh,
uint8_t *data, int store_idx)
{
ThreadID tid = cpu->contextToThread(req->contextId());