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>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/cpu/simple/atomic.hh b/src/cpu/simple/atomic.hh
index c9dd954bb..addbe234e 100644
--- a/src/cpu/simple/atomic.hh
+++ b/src/cpu/simple/atomic.hh
@@ -159,9 +159,9 @@ class AtomicSimpleCPU : public BaseSimpleCPU
     AtomicCPUDPort dcachePort;
 
     bool fastmem;
-    Request ifetch_req;
-    Request data_read_req;
-    Request data_write_req;
+    RequestPtr ifetch_req;
+    RequestPtr data_read_req;
+    RequestPtr data_write_req;
 
     bool dcache_access;
     Tick dcache_latency;