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-rw-r--r--src/base/printable.hh5
-rw-r--r--src/cpu/memtest/memtest.cc13
-rw-r--r--src/cpu/memtest/memtest.hh4
-rw-r--r--src/cpu/simple/atomic.cc7
-rw-r--r--src/cpu/simple/atomic.hh6
-rw-r--r--src/cpu/simple/timing.cc7
-rw-r--r--src/cpu/simple/timing.hh6
-rw-r--r--src/mem/cache/cache_blk.hh6
-rw-r--r--src/mem/packet.hh31
-rw-r--r--src/mem/physical.cc6
-rw-r--r--src/sim/sim_object.hh2
11 files changed, 78 insertions, 15 deletions
diff --git a/src/base/printable.hh b/src/base/printable.hh
index 1f71cce12..f79843ee5 100644
--- a/src/base/printable.hh
+++ b/src/base/printable.hh
@@ -36,6 +36,11 @@
#include <ostream>
#include <string>
+/**
+ * Abstract base class for objects which support being printed
+ * to a stream for debugging. Primarily used to support PrintReq
+ * in memory system.
+ */
class Printable
{
public:
diff --git a/src/cpu/memtest/memtest.cc b/src/cpu/memtest/memtest.cc
index e2acff4ca..29da517b3 100644
--- a/src/cpu/memtest/memtest.cc
+++ b/src/cpu/memtest/memtest.cc
@@ -394,15 +394,16 @@ MemTest::doRetry()
}
}
-MemTest *
-MemTestParams::create()
-{
- return new MemTest(this);
-}
-
void
MemTest::printAddr(Addr a)
{
cachePort.printAddr(a);
}
+
+
+MemTest *
+MemTestParams::create()
+{
+ return new MemTest(this);
+}
diff --git a/src/cpu/memtest/memtest.hh b/src/cpu/memtest/memtest.hh
index eb0c822f1..1a330319f 100644
--- a/src/cpu/memtest/memtest.hh
+++ b/src/cpu/memtest/memtest.hh
@@ -62,6 +62,10 @@ class MemTest : public MemObject
virtual Port *getPort(const std::string &if_name, int idx = -1);
+ /**
+ * Print state of address in memory system via PrintReq (for
+ * debugging).
+ */
void printAddr(Addr a);
protected:
diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc
index 4553c0ae2..aa548b46f 100644
--- a/src/cpu/simple/atomic.cc
+++ b/src/cpu/simple/atomic.cc
@@ -783,6 +783,13 @@ AtomicSimpleCPU::tick()
}
+void
+AtomicSimpleCPU::printAddr(Addr a)
+{
+ dcachePort.printAddr(a);
+}
+
+
////////////////////////////////////////////////////////////////////////
//
// AtomicSimpleCPU Simulation Object
diff --git a/src/cpu/simple/atomic.hh b/src/cpu/simple/atomic.hh
index f68f41a90..f14dd6f99 100644
--- a/src/cpu/simple/atomic.hh
+++ b/src/cpu/simple/atomic.hh
@@ -156,6 +156,12 @@ class AtomicSimpleCPU : public BaseSimpleCPU
int size, unsigned flags);
Fault translateDataWriteAddr(Addr vaddr, Addr &paddr,
int size, unsigned flags);
+
+ /**
+ * Print state of address in memory system via PrintReq (for
+ * debugging).
+ */
+ void printAddr(Addr a);
};
#endif // __CPU_SIMPLE_ATOMIC_HH__
diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc
index 2f3ee5c73..fc35f2666 100644
--- a/src/cpu/simple/timing.cc
+++ b/src/cpu/simple/timing.cc
@@ -822,6 +822,13 @@ TimingSimpleCPU::IprEvent::description()
}
+void
+TimingSimpleCPU::printAddr(Addr a)
+{
+ dcachePort.printAddr(a);
+}
+
+
////////////////////////////////////////////////////////////////////////
//
// TimingSimpleCPU Simulation Object
diff --git a/src/cpu/simple/timing.hh b/src/cpu/simple/timing.hh
index d7554f6de..79fbe0f5f 100644
--- a/src/cpu/simple/timing.hh
+++ b/src/cpu/simple/timing.hh
@@ -203,6 +203,12 @@ class TimingSimpleCPU : public BaseSimpleCPU
void completeDataAccess(PacketPtr );
void advanceInst(Fault fault);
+ /**
+ * Print state of address in memory system via PrintReq (for
+ * debugging).
+ */
+ void printAddr(Addr a);
+
private:
typedef EventWrapper<TimingSimpleCPU, &TimingSimpleCPU::fetch> FetchEvent;
diff --git a/src/mem/cache/cache_blk.hh b/src/mem/cache/cache_blk.hh
index e7c2d1a02..bafb46a89 100644
--- a/src/mem/cache/cache_blk.hh
+++ b/src/mem/cache/cache_blk.hh
@@ -253,6 +253,12 @@ class CacheBlk
}
};
+/**
+ * Simple class to provide virtual print() method on cache blocks
+ * without allocating a vtable pointer for every single cache block.
+ * Just wrap the CacheBlk object in an instance of this before passing
+ * to a function that requires a Printable object.
+ */
class CacheBlkPrintWrapper : public Printable
{
CacheBlk *blk;
diff --git a/src/mem/packet.hh b/src/mem/packet.hh
index c97413e85..30ef71507 100644
--- a/src/mem/packet.hh
+++ b/src/mem/packet.hh
@@ -299,7 +299,12 @@ class Packet : public FastAlloc, public Printable
virtual ~SenderState() {}
};
+ /**
+ * Object used to maintain state of a PrintReq. The senderState
+ * field of a PrintReq should always be of this type.
+ */
class PrintReqState : public SenderState {
+ /** An entry in the label stack. */
class LabelStackEntry {
public:
const std::string label;
@@ -321,11 +326,23 @@ class Packet : public FastAlloc, public Printable
PrintReqState(std::ostream &os, int verbosity = 0);
~PrintReqState();
+ /** Returns the current line prefix. */
const std::string &curPrefix() { return *curPrefixPtr; }
+
+ /** Push a label onto the label stack, and prepend the given
+ * prefix string onto the current prefix. Labels will only be
+ * printed if an object within the label's scope is
+ * printed. */
void pushLabel(const std::string &lbl,
const std::string &prefix = " ");
+ /** Pop a label off the label stack. */
void popLabel();
+ /** Print all of the pending unprinted labels on the
+ * stack. Called by printObj(), so normally not called by
+ * users unless bypassing printObj(). */
void printLabels();
+ /** Print a Printable object to os, because it matched the
+ * address on a PrintReq. */
void printObj(Printable *obj);
};
@@ -613,13 +630,7 @@ class Packet : public FastAlloc, public Printable
/**
* Check a functional request against a memory value stored in
- * another packet (i.e. an in-transit request or response). If
- * possible, the request will be satisfied and transformed
- * in-place into a response (at which point no further checking
- * need be done).
- *
- * @return True if the memory location addressed by the request
- * overlaps with the location addressed by otherPkt.
+ * another packet (i.e. an in-transit request or response).
*/
bool checkFunctional(PacketPtr otherPkt) {
return checkFunctional(otherPkt,
@@ -628,12 +639,18 @@ class Packet : public FastAlloc, public Printable
otherPkt->getPtr<uint8_t>() : NULL);
}
+ /**
+ * Push label for PrintReq (safe to call unconditionally).
+ */
void pushLabel(const std::string &lbl) {
if (isPrint()) {
dynamic_cast<PrintReqState*>(senderState)->pushLabel(lbl);
}
}
+ /**
+ * Pop label for PrintReq (safe to call unconditionally).
+ */
void popLabel() {
if (isPrint()) {
dynamic_cast<PrintReqState*>(senderState)->popLabel();
diff --git a/src/mem/physical.cc b/src/mem/physical.cc
index 40dc30afb..3560fc670 100644
--- a/src/mem/physical.cc
+++ b/src/mem/physical.cc
@@ -323,8 +323,12 @@ PhysicalMemory::doFunctionalAccess(PacketPtr pkt)
TRACE_PACKET("Write");
pkt->makeAtomicResponse();
} else if (pkt->isPrint()) {
- Packet::PrintReqState *prs = dynamic_cast<Packet::PrintReqState*>(pkt->senderState);
+ Packet::PrintReqState *prs =
+ dynamic_cast<Packet::PrintReqState*>(pkt->senderState);
+ // Need to call printLabels() explicitly since we're not going
+ // through printObj().
prs->printLabels();
+ // Right now we just print the single byte at the specified address.
ccprintf(prs->os, "%s%#x\n", prs->curPrefix(), *hostAddr);
} else {
panic("PhysicalMemory: unimplemented functional command %s",
diff --git a/src/sim/sim_object.hh b/src/sim/sim_object.hh
index 20a35a32b..ec565ce82 100644
--- a/src/sim/sim_object.hh
+++ b/src/sim/sim_object.hh
@@ -133,7 +133,7 @@ class SimObject : public Serializable, protected StartupCallback
/**
* Find the SimObject with the given name and return a pointer to
- * it. Priarily used for interactive debugging. Argument is
+ * it. Primarily used for interactive debugging. Argument is
* char* rather than std::string to make it callable from gdb.
*/
static SimObject *find(const char *name);