summaryrefslogtreecommitdiff
path: root/src/mem
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem')
-rw-r--r--src/mem/cache/base_cache.cc5
-rw-r--r--src/mem/packet.cc3
-rw-r--r--src/mem/packet.hh85
-rw-r--r--src/mem/packet_access.hh62
-rw-r--r--src/mem/physical.cc8
-rw-r--r--src/mem/port.cc1
6 files changed, 132 insertions, 32 deletions
diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc
index e0301a757..7a8776522 100644
--- a/src/mem/cache/base_cache.cc
+++ b/src/mem/cache/base_cache.cc
@@ -33,11 +33,10 @@
* Definition of BaseCache functions.
*/
+#include "cpu/base.hh"
+#include "cpu/smt.hh"
#include "mem/cache/base_cache.hh"
#include "mem/cache/miss/mshr.hh"
-#include "mem/packet_impl.hh"
-#include "cpu/smt.hh"
-#include "cpu/base.hh"
using namespace std;
diff --git a/src/mem/packet.cc b/src/mem/packet.cc
index a16e590e3..8e502f2be 100644
--- a/src/mem/packet.cc
+++ b/src/mem/packet.cc
@@ -36,9 +36,10 @@
*/
#include <iostream>
+
#include "base/misc.hh"
-#include "mem/packet.hh"
#include "base/trace.hh"
+#include "mem/packet.hh"
static const std::string ReadReqString("ReadReq");
static const std::string WriteReqString("WriteReq");
diff --git a/src/mem/packet.hh b/src/mem/packet.hh
index f6197885e..29b421862 100644
--- a/src/mem/packet.hh
+++ b/src/mem/packet.hh
@@ -38,11 +38,12 @@
#ifndef __MEM_PACKET_HH__
#define __MEM_PACKET_HH__
+#include <cassert>
+#include <list>
+
#include "mem/request.hh"
#include "sim/host.hh"
#include "sim/root.hh"
-#include <list>
-#include <cassert>
struct Packet;
typedef Packet* PacketPtr;
@@ -342,10 +343,12 @@ class Packet
srcValid = false;
}
- /** Take a request packet and modify it in place to be suitable
- * for returning as a response to that request.
+ /**
+ * Take a request packet and modify it in place to be suitable for
+ * returning as a response to that request.
*/
- void makeAtomicResponse() {
+ void makeAtomicResponse()
+ {
assert(needsResponse());
assert(isRequest());
int icmd = (int)cmd;
@@ -358,43 +361,83 @@ class Packet
cmd = (Command)icmd;
}
- /** Take a request packet that has been returned as NACKED and modify it so
- * that it can be sent out again. Only packets that need a response can be
- * NACKED, so verify that that is true. */
- void reinitNacked() {
+ /**
+ * Take a request packet that has been returned as NACKED and
+ * modify it so that it can be sent out again. Only packets that
+ * need a response can be NACKED, so verify that that is true.
+ */
+ void
+ reinitNacked()
+ {
assert(needsResponse() && result == Nacked);
dest = Broadcast;
result = Unknown;
}
- /** Set the data pointer to the following value that should not be freed. */
+ /**
+ * Set the data pointer to the following value that should not be
+ * freed.
+ */
template <typename T>
- void dataStatic(T *p);
+ void
+ dataStatic(T *p)
+ {
+ if(dynamicData)
+ dynamicData = false;
+ data = (PacketDataPtr)p;
+ staticData = true;
+ }
- /** Set the data pointer to a value that should have delete [] called on it.
+ /**
+ * Set the data pointer to a value that should have delete []
+ * called on it.
*/
template <typename T>
- void dataDynamicArray(T *p);
+ void
+ dataDynamicArray(T *p)
+ {
+ assert(!staticData && !dynamicData);
+ data = (PacketDataPtr)p;
+ dynamicData = true;
+ arrayData = true;
+ }
- /** set the data pointer to a value that should have delete called on it. */
+ /**
+ * set the data pointer to a value that should have delete called
+ * on it.
+ */
template <typename T>
- void dataDynamic(T *p);
+ void
+ dataDynamic(T *p)
+ {
+ assert(!staticData && !dynamicData);
+ data = (PacketDataPtr)p;
+ dynamicData = true;
+ arrayData = false;
+ }
- /** return the value of what is pointed to in the packet. */
+ /** get a pointer to the data ptr. */
template <typename T>
- T get();
+ T*
+ getPtr()
+ {
+ assert(staticData || dynamicData);
+ return (T*)data;
+ }
- /** get a pointer to the data ptr. */
+ /** return the value of what is pointed to in the packet. */
template <typename T>
- T* getPtr();
+ T get();
/** set the value in the data pointer to v. */
template <typename T>
void set(T v);
- /** delete the data pointed to in the data pointer. Ok to call to matter how
- * data was allocted. */
+ /**
+ * delete the data pointed to in the data pointer. Ok to call to
+ * matter how data was allocted.
+ */
void deleteData();
/** If there isn't data in the packet, allocate some. */
diff --git a/src/mem/packet_access.hh b/src/mem/packet_access.hh
new file mode 100644
index 000000000..aac0c3ae5
--- /dev/null
+++ b/src/mem/packet_access.hh
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Ali Saidi
+ * Nathan Binkert
+ */
+
+#include "arch/isa_traits.hh"
+#include "mem/packet.hh"
+#include "sim/byteswap.hh"
+
+#ifndef __MEM_PACKET_ACCESS_HH__
+#define __MEM_PACKET_ACCESS_HH__
+// The memory system needs to have an endianness. This is the easiest
+// way to deal with it for now. At some point, we will have to remove
+// these functions and make the users do their own byte swapping since
+// the memory system does not in fact have an endianness.
+
+/** return the value of what is pointed to in the packet. */
+template <typename T>
+inline T
+Packet::get()
+{
+ assert(staticData || dynamicData);
+ assert(sizeof(T) <= size);
+ return TheISA::gtoh(*(T*)data);
+}
+
+/** set the value in the data pointer to v. */
+template <typename T>
+inline void
+Packet::set(T v)
+{
+ assert(sizeof(T) <= size);
+ *(T*)data = TheISA::htog(v);
+}
+
+#endif //__MEM_PACKET_ACCESS_HH__
diff --git a/src/mem/physical.cc b/src/mem/physical.cc
index f5a0ade15..43a7c5cb4 100644
--- a/src/mem/physical.cc
+++ b/src/mem/physical.cc
@@ -39,21 +39,17 @@
#include <iostream>
#include <string>
-
+#include "arch/isa_traits.hh"
#include "base/misc.hh"
#include "config/full_system.hh"
-#include "mem/packet_impl.hh"
#include "mem/physical.hh"
-#include "sim/host.hh"
#include "sim/builder.hh"
#include "sim/eventq.hh"
-#include "arch/isa_traits.hh"
-
+#include "sim/host.hh"
using namespace std;
using namespace TheISA;
-
PhysicalMemory::PhysicalMemory(Params *p)
: MemObject(p->name), pmemAddr(NULL), port(NULL), lat(p->latency), _params(p)
{
diff --git a/src/mem/port.cc b/src/mem/port.cc
index 17924b759..bbc98c160 100644
--- a/src/mem/port.cc
+++ b/src/mem/port.cc
@@ -35,7 +35,6 @@
#include "base/chunk_generator.hh"
#include "base/trace.hh"
-#include "mem/packet_impl.hh"
#include "mem/port.hh"
void
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 07:44:34 +0000