From f54020eb8155371725ab75b0fc5c419287eca084 Mon Sep 17 00:00:00 2001 From: Giacomo Travaglini Date: Mon, 4 Jun 2018 09:40:19 +0100 Subject: misc: Using smart pointers for memory Requests This patch is changing the underlying type for RequestPtr from Request* to shared_ptr. 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 Reviewed-by: Andreas Sandberg Reviewed-on: https://gem5-review.googlesource.com/10996 Reviewed-by: Nikos Nikoleris Maintainer: Nikos Nikoleris --- src/dev/dma_device.cc | 8 +++++--- src/dev/x86/i82094aa.cc | 1 - 2 files changed, 5 insertions(+), 4 deletions(-) (limited to 'src/dev') diff --git a/src/dev/dma_device.cc b/src/dev/dma_device.cc index a80cffc09..c445fbc77 100644 --- a/src/dev/dma_device.cc +++ b/src/dev/dma_device.cc @@ -95,8 +95,7 @@ DmaPort::handleResp(PacketPtr pkt, Tick delay) delete state; } - // delete the request that we created and also the packet - delete pkt->req; + // delete the packet delete pkt; // we might be drained at this point, if so signal the drain event @@ -165,7 +164,10 @@ DmaPort::dmaAction(Packet::Command cmd, Addr addr, int size, Event *event, event ? event->scheduled() : -1); for (ChunkGenerator gen(addr, size, sys->cacheLineSize()); !gen.done(); gen.next()) { - req = new Request(gen.addr(), gen.size(), flag, masterId); + + req = std::make_shared( + gen.addr(), gen.size(), flag, masterId); + req->taskId(ContextSwitchTaskId::DMA); PacketPtr pkt = new Packet(req, cmd); diff --git a/src/dev/x86/i82094aa.cc b/src/dev/x86/i82094aa.cc index a4b05b007..51304f25a 100644 --- a/src/dev/x86/i82094aa.cc +++ b/src/dev/x86/i82094aa.cc @@ -92,7 +92,6 @@ Tick X86ISA::I82094AA::recvResponse(PacketPtr pkt) { // Packet instantiated calling sendMessage() in signalInterrupt() - delete pkt->req; delete pkt; return 0; } -- cgit v1.2.3