merge with m5 head

--HG--
extra : convert_revision : c90339248d1ee74df1c6b90a77ec9ea41f646311

35 files changed, 943 insertions, 676 deletions

diff --git a/arch/alpha/ev5.cc b/arch/alpha/ev5.cc
index 8494ee9f6..551cbdabf 100644
--- a/arch/alpha/ev5.cc
+++ b/arch/alpha/ev5.cc
@@ -237,10 +237,17 @@ ExecContext::readIpr(int idx, Fault &fault)
         retval = ipr[idx];
         break;
 
+      case AlphaISA::IPR_CC:
+        retval |= ipr[idx] & ULL(0xffffffff00000000);
+        retval |= curTick  & ULL(0x00000000ffffffff);
+        break;
+
       case AlphaISA::IPR_VA:
         // SFX: unlocks interrupt status registers
         retval = ipr[idx];
-        regs.intrlock = false;
+
+        if (!misspeculating())
+            regs.intrlock = false;
         break;
 
       case AlphaISA::IPR_VA_FORM:
@@ -253,7 +260,7 @@ ExecContext::readIpr(int idx, Fault &fault)
 
       case AlphaISA::IPR_DTB_PTE:
         {
-            AlphaISA::PTE &pte = dtb->index();
+            AlphaISA::PTE &pte = dtb->index(!misspeculating());
 
             retval |= ((u_int64_t)pte.ppn & ULL(0x7ffffff)) << 32;
             retval |= ((u_int64_t)pte.xre & ULL(0xf)) << 8;
@@ -327,13 +334,25 @@ ExecContext::setIpr(int idx, uint64_t val)
       case AlphaISA::IPR_PAL_BASE:
       case AlphaISA::IPR_IC_PERR_STAT:
       case AlphaISA::IPR_DC_PERR_STAT:
-      case AlphaISA::IPR_CC_CTL:
-      case AlphaISA::IPR_CC:
       case AlphaISA::IPR_PMCTR:
         // write entire quad w/ no side-effect
         ipr[idx] = val;
         break;
 
+      case AlphaISA::IPR_CC_CTL:
+        // This IPR resets the cycle counter.  We assume this only
+        // happens once... let's verify that.
+        assert(ipr[idx] == 0);
+        ipr[idx] = 1;
+        break;
+
+      case AlphaISA::IPR_CC:
+        // This IPR only writes the upper 64 bits.  It's ok to write
+        // all 64 here since we mask out the lower 32 in rpcc (see
+        // isa_desc).
+        ipr[idx] = val;
+        break;
+
       case AlphaISA::IPR_PALtemp23:
         // write entire quad w/ no side-effect
         ipr[idx] = val;
diff --git a/arch/alpha/isa_desc b/arch/alpha/isa_desc
index 75b2f4138..0da087f97 100644
--- a/arch/alpha/isa_desc
+++ b/arch/alpha/isa_desc
@@ -5,7 +5,7 @@
 
 let {{
     global rcs_id
-    rcs_id = "$Id$"
+    rcs_id = "$Id: s.isa_desc 1.43 04/02/29 22:41:10-05:00 ehallnor@zazzer.eecs.umich.edu $"
 }};
 
 
@@ -1000,10 +1000,50 @@ def template PrefetchDeclare {{
      */
     class %(class_name)s : public %(base_class)s
     {
+      protected:
+
+	/**
+	 * "Fake" effective address computation class for "%(mnemonic)s".
+	 */
+	class EAComp : public EACompBase
+	{
+	  public:
+	    /// Constructor
+	    EAComp(MachInst machInst)
+		: EACompBase(machInst)
+	    {
+		%(ea_constructor)s;
+	    }
+	};
+
+	/**
+	 * "Fake" memory access instruction class for "%(mnemonic)s".
+	 */
+	class MemAcc : public MemAccBase
+	{
+	  public:
+	    /// Constructor
+	    MemAcc(MachInst machInst)
+		: MemAccBase(machInst, %(op_class)s)
+	    {
+		%(memacc_constructor)s;
+	    }
+	};
+
+	/// Pointer to EAComp object.
+	StaticInstPtr<AlphaISA> eaCompPtr;
+	/// Pointer to MemAcc object.
+	StaticInstPtr<AlphaISA> memAccPtr;
+
       public:
+
+	StaticInstPtr<AlphaISA> eaCompInst() { return eaCompPtr; }
+	StaticInstPtr<AlphaISA> memAccInst() { return memAccPtr; }
+
 	/// Constructor
 	%(class_name)s(MachInst machInst)
-	     : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
+	     : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s),
+	       eaCompPtr(new EAComp(machInst)), memAccPtr(new MemAcc(machInst))
 	{
 	    %(constructor)s;
 	}
@@ -1814,6 +1854,9 @@ decode OPCODE default Unknown::unknown() {
 	0x23: ldt({{ EA = Rb + disp; }}, {{ Fa = Mem.df; }});
 	0x2a: ldl_l({{ EA = Rb + disp; }}, {{ Ra.sl = Mem.sl; }}, LOCKED);
 	0x2b: ldq_l({{ EA = Rb + disp; }}, {{ Ra.uq = Mem.uq; }}, LOCKED);
+	0x20: copy_load({{EA = Ra;}}, 
+	                {{ fault = memAccessObj->copySrcTranslate(EA);}},
+			IsMemRef, IsLoad, IsCopy);
     }
 
     format LoadOrPrefetch {
@@ -1833,6 +1876,9 @@ decode OPCODE default Unknown::unknown() {
 	0x0f: stq_u({{ EA = (Rb + disp) & ~7; }}, {{ Mem.uq = Ra.uq; }});
 	0x26: sts({{ EA = Rb + disp; }}, {{ Mem.ul = t_to_s(Fa.uq); }});
 	0x27: stt({{ EA = Rb + disp; }}, {{ Mem.df = Fa; }});
+	0x24: copy_store({{EA = Rb;}},
+	                 {{ fault = memAccessObj->copy(EA);}},
+			 IsMemRef, IsStore, IsCopy);
     }
 
     format StoreCond {
@@ -2342,7 +2388,13 @@ decode OPCODE default Unknown::unknown() {
 	}
 
 	format BasicOperate {
-	    0xc000: rpcc({{ Ra = curTick; }});
+	    0xc000: rpcc({{
+#ifdef FULL_SYSTEM
+		Ra = xc->readIpr(AlphaISA::IPR_CC, fault);
+#else
+		Ra = curTick;
+#endif
+	    }});
 
 	    // All of the barrier instructions below do nothing in
 	    // their execute() methods (hence the empty code blocks).
diff --git a/arch/alpha/osfpal.cc b/arch/alpha/osfpal.cc
index 4c0ace8c0..90d645ef1 100644
--- a/arch/alpha/osfpal.cc
+++ b/arch/alpha/osfpal.cc
@@ -224,8 +224,8 @@ namespace {
         0,		// 0xbc
         0,		// 0xbd
         "nphalt",	// 0xbe
+        "copypal",	// 0xbf
 #if 0
-        0,		// 0xbf
         0,		// 0xc0
         0,		// 0xc1
         0,		// 0xc2
diff --git a/arch/alpha/osfpal.hh b/arch/alpha/osfpal.hh
index 61e545306..419235b4a 100644
--- a/arch/alpha/osfpal.hh
+++ b/arch/alpha/osfpal.hh
@@ -70,6 +70,7 @@ struct PAL
         gentrap = 0xaa,
         clrfen = 0xae,
         nphalt = 0xbe,
+        copypal = 0xbf,
         NumCodes
     };
 
diff --git a/base/statistics.cc b/base/statistics.cc
index 49294ad27..dce545f18 100644
--- a/base/statistics.cc
+++ b/base/statistics.cc
@@ -57,7 +57,7 @@ __nan()
 }
 #endif
 
-#ifdef STAT_DEBUG
+#ifdef DEBUG
 static int total_stats = 0;
 #endif
 
@@ -409,6 +409,14 @@ DataAccess::setPrint()
     Database::StatDB().regPrint(this);
 }
 
+StatData::StatData()
+    : flags(none), precision(-1), prereq(0)
+{
+#ifdef DEBUG
+    number = total_stats++;
+#endif
+}
+
 StatData::~StatData()
 {
 }
@@ -443,8 +451,8 @@ bool
 StatData::baseCheck() const
 {
     if (!(flags & init)) {
-#ifdef STAT_DEBUG
-        cprintf("this is stat number %d\n",(*i)->number);
+#ifdef DEBUG
+        cprintf("this is stat number %d\n", number);
 #endif
         panic("Not all stats have been initialized");
         return false;
diff --git a/base/statistics.hh b/base/statistics.hh
index d8b78fbff..0dad31a5a 100644
--- a/base/statistics.hh
+++ b/base/statistics.hh
@@ -60,12 +60,6 @@
 #include "base/str.hh"
 #include "sim/host.hh"
 
-//
-//  Un-comment this to enable weirdo-stat debugging
-//
-// #define STAT_DEBUG
-
-
 #ifndef NAN
 float __nan();
 /** Define Not a number. */
@@ -146,10 +140,7 @@ struct StatData
     /** A pointer to a prerequisite Stat. */
     const StatData *prereq;
 
-    StatData()
-        : flags(none), precision(-1), prereq(0)
-    {}
-
+    StatData();
     virtual ~StatData();
 
     /**
@@ -193,6 +184,10 @@ struct StatData
      * @return stat1's name is alphabetically before stat2's
      */
     static bool less(StatData *stat1, StatData *stat2);
+
+#ifdef DEBUG
+    int number;
+#endif
 };
 
 struct ScalarDataBase : public StatData
@@ -2503,7 +2498,7 @@ struct NoBin
  * binned.  If the typedef is NoBin, nothing is binned.  If it is
  * MainBin, then all stats are binned under that Bin.
  */
-#ifdef FS_MEASURE
+#if defined(FS_MEASURE)
 typedef MainBin DefaultBin;
 #else
 typedef NoBin DefaultBin;
diff --git a/base/trace.cc b/base/trace.cc
index 156110376..e56bdb11b 100644
--- a/base/trace.cc
+++ b/base/trace.cc
@@ -208,8 +208,7 @@ PrintfRecord::dump(ostream &os)
 
 
 
-RawDataRecord::RawDataRecord(Tick _cycle,
-                                    const uint8_t *_data, int _len)
+RawDataRecord::RawDataRecord(Tick _cycle, const void *_data, int _len)
     : Record(_cycle), len(_len)
 {
     data = new uint8_t[len];
@@ -320,3 +319,66 @@ echoTrace(bool on)
         }
     }
 }
+
+extern "C"
+void
+printTraceFlags()
+{
+    using namespace Trace;
+    for (int i = 0; i < numFlagStrings; ++i)
+        if (flags[i])
+            cprintf("%s\n", flagStrings[i]);
+}
+
+void
+tweakTraceFlag(const char *string, bool value)
+{
+    using namespace Trace;
+    std::string str(string);
+
+    for (int i = 0; i < numFlagStrings; ++i) {
+        if (str != flagStrings[i])
+            continue;
+
+        int idx = i;
+
+        if (idx < NumFlags) {
+            flags[idx] = value;
+        } else {
+            idx -= NumFlags;
+            if (idx >= NumCompoundFlags) {
+                ccprintf(cerr, "Invalid compound flag");
+                return;
+            }
+
+            const Flags *flagVec = compoundFlags[idx];
+
+            for (int j = 0; flagVec[j] != -1; ++j) {
+                if (flagVec[j] >= NumFlags) {
+                    ccprintf(cerr, "Invalid compound flag");
+                    return;
+                }
+                flags[flagVec[j]] = value;
+            }
+        }
+
+        cprintf("flag %s was %s\n", string, value ? "set" : "cleared");
+        return;
+    }
+
+    cprintf("could not find flag %s\n", string);
+}
+
+extern "C"
+void
+setTraceFlag(const char *string)
+{
+    tweakTraceFlag(string, true);
+}
+
+extern "C"
+void
+clearTraceFlag(const char *string)
+{
+    tweakTraceFlag(string, false);
+}
diff --git a/base/trace.hh b/base/trace.hh
index 9e5952765..e49d7aa61 100644
--- a/base/trace.hh
+++ b/base/trace.hh
@@ -108,7 +108,7 @@ namespace Trace {
         int len;
 
       public:
-        RawDataRecord(Tick cycle, const uint8_t *_data, int _len);
+        RawDataRecord(Tick cycle, const void *_data, int _len);
         virtual ~RawDataRecord();
 
         virtual void dump(std::ostream &);
@@ -149,7 +149,7 @@ namespace Trace {
     }
 
     inline void
-    rawDump(const uint8_t *data, int len)
+    rawDump(const void *data, int len)
     {
         theLog.append(new Trace::RawDataRecord(curTick, data, len));
     }
diff --git a/cpu/base_cpu.cc b/cpu/base_cpu.cc
index bba31303b..73fb3e7fa 100644
--- a/cpu/base_cpu.cc
+++ b/cpu/base_cpu.cc
@@ -184,6 +184,12 @@ BaseCPU::takeOverFrom(BaseCPU *oldCPU)
         newXC->process->replaceExecContext(newXC->cpu_id, newXC);
 #endif
     }
+
+#ifdef FULL_SYSTEM
+    for (int i = 0; i < NumInterruptLevels; ++i)
+        interrupts[i] = oldCPU->interrupts[i];
+    intstatus = oldCPU->intstatus;
+#endif
 }
 
 
diff --git a/cpu/exec_context.cc b/cpu/exec_context.cc
index 6a5f463cd..eedd8b8a8 100644
--- a/cpu/exec_context.cc
+++ b/cpu/exec_context.cc
@@ -48,10 +48,7 @@ ExecContext::ExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
       kernelStats(this, _cpu), cpu(_cpu), thread_num(_thread_num),
       cpu_id(-1), mem(_mem), itb(_itb), dtb(_dtb), system(_sys),
       memCtrl(_sys->memCtrl), physmem(_sys->physmem),
-#ifdef FS_MEASURE
-      swCtx(NULL),
-#endif
-      func_exe_inst(0), storeCondFailures(0)
+      swCtx(NULL), func_exe_inst(0), storeCondFailures(0)
 {
     memset(&regs, 0, sizeof(RegFile));
 }
@@ -107,6 +104,33 @@ ExecContext::serialize(ostream &os)
     regs.serialize(os);
     // thread_num and cpu_id are deterministic from the config
     SERIALIZE_SCALAR(func_exe_inst);
+
+#ifdef FULL_SYSTEM
+    bool ctx = false;
+    if (swCtx) {
+        ctx = true;
+        SERIALIZE_SCALAR(ctx);
+        SERIALIZE_SCALAR(swCtx->calls);
+        std::stack<fnCall *> *stack = &(swCtx->callStack);
+        fnCall *top;
+        int size = stack->size();
+        SERIALIZE_SCALAR(size);
+
+        for (int j=0; j<size; ++j) {
+            top = stack->top();
+            paramOut(os, csprintf("stackpos[%d]",j), top->name);
+            delete top;
+            stack->pop();
+        }
+    } else {
+        SERIALIZE_SCALAR(ctx);
+    }
+    if (system->bin) {
+        Statistics::MainBin *cur = Statistics::MainBin::curBin();
+        string bin_name = cur->name();
+        SERIALIZE_SCALAR(bin_name);
+    }
+#endif //FULL_SYSTEM
 }
 
 
@@ -117,6 +141,37 @@ ExecContext::unserialize(Checkpoint *cp, const std::string &section)
     regs.unserialize(cp, section);
     // thread_num and cpu_id are deterministic from the config
     UNSERIALIZE_SCALAR(func_exe_inst);
+
+#ifdef FULL_SYSTEM
+    bool ctx;
+    UNSERIALIZE_SCALAR(ctx);
+    if (ctx) {
+        swCtx = new SWContext;
+        UNSERIALIZE_SCALAR(swCtx->calls);
+        int size;
+        UNSERIALIZE_SCALAR(size);
+
+        vector<fnCall *> calls;
+        fnCall *call;
+        for (int i=0; i<size; ++i) {
+            call = new fnCall;
+            paramIn(cp, section, csprintf("stackpos[%d]",i), call->name);
+            call->myBin = system->getBin(call->name);
+            calls.push_back(call);
+        }
+
+        for (int i=size-1; i>=0; --i) {
+            swCtx->callStack.push(calls[i]);
+        }
+
+    }
+
+    if (system->bin) {
+        string bin_name;
+        UNSERIALIZE_SCALAR(bin_name);
+        system->getBin(bin_name)->activate();
+    }
+#endif //FULL_SYSTEM
 }
 
 
diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index e9dc5efec..a72516ac7 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -45,10 +45,7 @@ class MemoryController;
 
 #include "kern/tru64/kernel_stats.hh"
 #include "sim/system.hh"
-
-#ifdef FS_MEASURE
 #include "sim/sw_context.hh"
-#endif
 
 #else // !FULL_SYSTEM
 
@@ -137,10 +134,7 @@ class ExecContext
     MemoryController *memCtrl;
     PhysicalMemory *physmem;
 
-#ifdef FS_MEASURE
     SWContext *swCtx;
-#endif
-
 #else
     Process *process;
 
@@ -153,6 +147,18 @@ class ExecContext
 
 #endif
 
+    /**
+     * Temporary storage to pass the source address from copy_load to
+     * copy_store.
+     * @todo Remove this temporary when we have a better way to do it.
+     */
+    Addr copySrcAddr;
+    /**
+     * Temp storage for the physical source address of a copy.
+     * @todo Remove this temporary when we have a better way to do it.
+     */
+    Addr copySrcPhysAddr;
+
 
     /*
      * number of executed instructions, for matching with syscall trace
diff --git a/cpu/memtest/memtest.cc b/cpu/memtest/memtest.cc
index 82bec8ac9..051d9623a 100644
--- a/cpu/memtest/memtest.cc
+++ b/cpu/memtest/memtest.cc
@@ -131,7 +131,8 @@ MemTest::completeRequest(MemReqPtr &req, uint8_t *data)
       case Read:
         if (memcmp(req->data, data, req->size) != 0) {
             cerr << name() << ": on read of 0x" << hex << req->paddr
-                 << " @ cycle " << dec << curTick
+                 << " (0x" << hex << blockAddr(req->paddr) << ")"
+                 << "@ cycle " << dec << curTick
                  << ", cache returns 0x";
             printData(cerr, req->data, req->size);
             cerr << ", expected 0x";
@@ -163,11 +164,13 @@ MemTest::completeRequest(MemReqPtr &req, uint8_t *data)
     }
 
     if (blockAddr(req->paddr) == traceBlockAddr) {
-        cerr << hex << traceBlockAddr << ": " << name() << ": completed "
+        cerr << name() << ": completed "
              << (req->cmd.isWrite() ? "write" : "read")
              << " access of "
              << dec << req->size << " bytes at address 0x"
-             << hex << req->paddr << ", value = 0x";
+             << hex << req->paddr
+             << " (0x" << hex << blockAddr(req->paddr) << ")"
+             << ", value = 0x";
         printData(cerr, req->data, req->size);
         cerr << " @ cycle " << dec << curTick;
 
@@ -249,11 +252,13 @@ MemTest::tick()
         uint8_t *result = new uint8_t[8];
         checkMem->access(Read, req->paddr, result, req->size);
         if (blockAddr(req->paddr) == traceBlockAddr) {
-            cerr <<  hex << traceBlockAddr << ": " << name()
+            cerr << name()
                  << ": initiating read "
                  << ((probe)?"probe of ":"access of ")
                  << dec << req->size << " bytes from addr 0x"
-                 << hex << req->paddr << " at cycle "
+                 << hex << req->paddr
+                 << " (0x" << hex << blockAddr(req->paddr) << ")"
+                 << " at cycle "
                  << dec << curTick << endl;
         }
         if (probe) {
@@ -269,13 +274,14 @@ MemTest::tick()
         memcpy(req->data, &data, req->size);
         checkMem->access(Write, req->paddr, req->data, req->size);
         if (blockAddr(req->paddr) == traceBlockAddr) {
-            cerr <<  hex << traceBlockAddr << ": "
-                 << name() << ": initiating write "
+            cerr << name() << ": initiating write "
                  << ((probe)?"probe of ":"access of ")
                  << dec << req->size << " bytes (value = 0x";
             printData(cerr, req->data, req->size);
             cerr << ") to addr 0x"
-                 << hex << req->paddr << " at cycle "
+                 << hex << req->paddr
+                 << " (0x" << hex << blockAddr(req->paddr) << ")"
+                 << " at cycle "
                  << dec << curTick << endl;
         }
         if (probe) {
@@ -303,11 +309,15 @@ MemTest::tick()
         req->data = new uint8_t[blockSize];
         req->size = blockSize;
         if (source == traceBlockAddr || dest == traceBlockAddr) {
-            cerr <<  hex << traceBlockAddr << ": " << name()
+            cerr << name()
                  << ": initiating copy of "
                  << dec << req->size << " bytes from addr 0x"
-                 << hex << source << " to addr 0x"
-                 << hex << dest << " at cycle "
+                 << hex << source
+                 << " (0x" << hex << blockAddr(source) << ")"
+                 << " to addr 0x"
+                 << hex << dest
+                 << " (0x" << hex << blockAddr(dest) << ")"
+                 << " at cycle "
                  << dec << curTick << endl;
         }
         cacheInterface->access(req);
diff --git a/cpu/simple_cpu/simple_cpu.cc b/cpu/simple_cpu/simple_cpu.cc
index efbe66020..c2796efd0 100644
--- a/cpu/simple_cpu/simple_cpu.cc
+++ b/cpu/simple_cpu/simple_cpu.cc
@@ -120,7 +120,7 @@ SimpleCPU::SimpleCPU(const string &_name,
                      FunctionalMemory *mem,
                      MemInterface *icache_interface,
                      MemInterface *dcache_interface,
-                     Tick freq)
+                     bool _def_reg, Tick freq)
     : BaseCPU(_name, /* number_of_threads */ 1,
               max_insts_any_thread, max_insts_all_threads,
               max_loads_any_thread, max_loads_all_threads,
@@ -132,12 +132,14 @@ SimpleCPU::SimpleCPU(const string &_name, Process *_process,
                      Counter max_loads_any_thread,
                      Counter max_loads_all_threads,
                      MemInterface *icache_interface,
-                     MemInterface *dcache_interface)
+                     MemInterface *dcache_interface,
+                     bool _def_reg)
     : BaseCPU(_name, /* number_of_threads */ 1,
               max_insts_any_thread, max_insts_all_threads,
               max_loads_any_thread, max_loads_all_threads),
 #endif
-      tickEvent(this), xc(NULL), cacheCompletionEvent(this)
+      tickEvent(this), xc(NULL), defer_registration(_def_reg),
+      cacheCompletionEvent(this)
 {
     _status = Idle;
 #ifdef FULL_SYSTEM
@@ -171,6 +173,13 @@ SimpleCPU::~SimpleCPU()
 {
 }
 
+void SimpleCPU::init()
+{
+    if (!defer_registration) {
+        this->registerExecContexts();
+    }
+}
+
 void
 SimpleCPU::switchOut()
 {
@@ -318,6 +327,46 @@ change_thread_state(int thread_number, int activate, int priority)
 {
 }
 
+Fault
+SimpleCPU::copySrcTranslate(Addr src)
+{
+    memReq->reset(src, (dcacheInterface) ?
+                  dcacheInterface->getBlockSize()
+                  : 64);
+
+    // translate to physical address
+    Fault fault = xc->translateDataReadReq(memReq);
+
+    if (fault == No_Fault) {
+        xc->copySrcAddr = src;
+        xc->copySrcPhysAddr = memReq->paddr;
+    } else {
+        xc->copySrcAddr = 0;
+        xc->copySrcPhysAddr = 0;
+    }
+    return fault;
+}
+
+Fault
+SimpleCPU::copy(Addr dest)
+{
+    int blk_size = (dcacheInterface) ? dcacheInterface->getBlockSize() : 64;
+    uint8_t data[blk_size];
+    assert(xc->copySrcPhysAddr);
+    memReq->reset(dest, blk_size);
+    // translate to physical address
+    Fault fault = xc->translateDataWriteReq(memReq);
+    if (fault == No_Fault) {
+        Addr dest_addr = memReq->paddr;
+        // Need to read straight from memory since we have more than 8 bytes.
+        memReq->paddr = xc->copySrcPhysAddr;
+        xc->mem->read(memReq, data);
+        memReq->paddr = dest_addr;
+        xc->mem->write(memReq, data);
+    }
+    return fault;
+}
+
 // precise architected memory state accessor macros
 template <class T>
 Fault
@@ -343,7 +392,6 @@ SimpleCPU::read(Addr addr, T &data, unsigned flags)
         memReq->cmd = Read;
         memReq->completionEvent = NULL;
         memReq->time = curTick;
-        memReq->flags &= ~UNCACHEABLE;
         MemAccessResult result = dcacheInterface->access(memReq);
 
         // Ugly hack to get an event scheduled *only* if the access is
@@ -426,7 +474,6 @@ SimpleCPU::write(T data, Addr addr, unsigned flags, uint64_t *res)
         memcpy(memReq->data,(uint8_t *)&data,memReq->size);
         memReq->completionEvent = NULL;
         memReq->time = curTick;
-        memReq->flags &= ~UNCACHEABLE;
         MemAccessResult result = dcacheInterface->access(memReq);
 
         // Ugly hack to get an event scheduled *only* if the access is
@@ -629,7 +676,6 @@ SimpleCPU::tick()
             memReq->completionEvent = NULL;
 
             memReq->time = curTick;
-            memReq->flags &= ~UNCACHEABLE;
             MemAccessResult result = icacheInterface->access(memReq);
 
             // Ugly hack to get an event scheduled *only* if the access is
@@ -669,32 +715,13 @@ SimpleCPU::tick()
         xc->func_exe_inst++;
 
         fault = si->execute(this, xc, traceData);
-#ifdef FS_MEASURE
-        if (!(xc->misspeculating()) && (xc->system->bin)) {
-            SWContext *ctx = xc->swCtx;
-            if (ctx && !ctx->callStack.empty()) {
-                if (si->isCall()) {
-                    ctx->calls++;
-                }
-                if (si->isReturn()) {
-                     if (ctx->calls == 0) {
-                        fnCall *top = ctx->callStack.top();
-                        DPRINTF(TCPIP, "Removing %s from callstack.\n", top->name);
-                        delete top;
-                        ctx->callStack.pop();
-                        if (ctx->callStack.empty())
-                            xc->system->nonPath->activate();
-                        else
-                            ctx->callStack.top()->myBin->activate();
-
-                        xc->system->dumpState(xc);
-                    } else {
-                        ctx->calls--;
-                    }
-                }
-            }
-        }
+
+#ifdef FULL_SYSTEM
+        SWContext *ctx = xc->swCtx;
+        if (ctx)
+            ctx->process(xc, si.get());
 #endif
+
         if (si->isMemRef()) {
             numMemRefs++;
         }
@@ -813,6 +840,7 @@ CREATE_SIM_OBJECT(SimpleCPU)
                         itb, dtb, mem,
                         (icache) ? icache->getInterface() : NULL,
                         (dcache) ? dcache->getInterface() : NULL,
+                        defer_registration,
                         ticksPerSecond * mult);
 #else
 
@@ -820,14 +848,15 @@ CREATE_SIM_OBJECT(SimpleCPU)
                         max_insts_any_thread, max_insts_all_threads,
                         max_loads_any_thread, max_loads_all_threads,
                         (icache) ? icache->getInterface() : NULL,
-                        (dcache) ? dcache->getInterface() : NULL);
+                        (dcache) ? dcache->getInterface() : NULL,
+                        defer_registration);
 
 #endif // FULL_SYSTEM
-
+#if 0
     if (!defer_registration) {
         cpu->registerExecContexts();
     }
-
+#endif
     return cpu;
 }
 
diff --git a/cpu/simple_cpu/simple_cpu.hh b/cpu/simple_cpu/simple_cpu.hh
index 16753fa4f..9edd66ab4 100644
--- a/cpu/simple_cpu/simple_cpu.hh
+++ b/cpu/simple_cpu/simple_cpu.hh
@@ -133,7 +133,7 @@ class SimpleCPU : public BaseCPU
               Counter max_loads_any_thread, Counter max_loads_all_threads,
               AlphaItb *itb, AlphaDtb *dtb, FunctionalMemory *mem,
               MemInterface *icache_interface, MemInterface *dcache_interface,
-              Tick freq);
+              bool _def_reg, Tick freq);
 
 #else
 
@@ -142,11 +142,13 @@ class SimpleCPU : public BaseCPU
               Counter max_insts_all_threads,
               Counter max_loads_any_thread,
               Counter max_loads_all_threads,
-              MemInterface *icache_interface, MemInterface *dcache_interface);
+              MemInterface *icache_interface, MemInterface *dcache_interface,
+              bool _def_reg);
 
 #endif
 
     virtual ~SimpleCPU();
+    virtual void init();
 
     // execution context
     ExecContext *xc;
@@ -166,6 +168,8 @@ class SimpleCPU : public BaseCPU
     // L1 data cache
     MemInterface *dcacheInterface;
 
+    bool defer_registration;
+
     // current instruction
     MachInst inst;
 
@@ -233,16 +237,19 @@ class SimpleCPU : public BaseCPU
     Fault write(T data, Addr addr, unsigned flags,
                         uint64_t *res);
 
-    Fault prefetch(Addr addr, unsigned flags)
+    void prefetch(Addr addr, unsigned flags)
     {
         // need to do this...
-        return No_Fault;
     }
 
     void writeHint(Addr addr, int size)
     {
         // need to do this...
     }
+
+    Fault copySrcTranslate(Addr src);
+
+    Fault copy(Addr dest);
 };
 
 #endif // __SIMPLE_CPU_HH__
diff --git a/cpu/static_inst.hh b/cpu/static_inst.hh
index 5f4bcae3d..cdf9aefa0 100644
--- a/cpu/static_inst.hh
+++ b/cpu/static_inst.hh
@@ -96,6 +96,7 @@ class StaticInstBase : public RefCounted
         IsStore,	///< Writes to memory.
         IsInstPrefetch,	///< Instruction-cache prefetch.
         IsDataPrefetch,	///< Data-cache prefetch.
+        IsCopy,         ///< Fast Cache block copy
 
         IsControl,		///< Control transfer instruction.
         IsDirectControl,	///< PC relative control transfer.
@@ -176,6 +177,7 @@ class StaticInstBase : public RefCounted
     bool isStore()	  const { return flags[IsStore]; }
     bool isInstPrefetch() const { return flags[IsInstPrefetch]; }
     bool isDataPrefetch() const { return flags[IsDataPrefetch]; }
+    bool isCopy()         const { return flags[IsCopy];}
 
     bool isInteger()	  const { return flags[IsInteger]; }
     bool isFloating()	  const { return flags[IsFloating]; }
diff --git a/dev/alpha_console.cc b/dev/alpha_console.cc
index ad9d0a239..f592b239d 100644
--- a/dev/alpha_console.cc
+++ b/dev/alpha_console.cc
@@ -43,6 +43,9 @@
 #include "dev/console.hh"
 #include "dev/simple_disk.hh"
 #include "dev/tlaser_clock.hh"
+#include "mem/bus/bus.hh"
+#include "mem/bus/pio_interface.hh"
+#include "mem/bus/pio_interface_impl.hh"
 #include "mem/functional_mem/memory_control.hh"
 #include "sim/builder.hh"
 #include "sim/system.hh"
@@ -50,14 +53,21 @@
 
 using namespace std;
 
-AlphaConsole::AlphaConsole(const string &name, SimConsole *cons,
-                           SimpleDisk *d, System *system,
-                           BaseCPU *cpu, TsunamiIO *clock, int num_cpus,
-                           Addr a, MemoryController *mmu)
-    : FunctionalMemory(name), disk(d), console(cons), addr(a)
+AlphaConsole::AlphaConsole(const string &name, SimConsole *cons, SimpleDisk *d,
+                           System *system, BaseCPU *cpu, TsunamiIO *clock,
+                           int num_cpus, MemoryController *mmu, Addr a,
+                           HierParams *hier, Bus *bus)
+    : PioDevice(name), disk(d), console(cons), addr(a)
+>>>>>>>
 {
     mmu->add_child(this, Range<Addr>(addr, addr + size));
 
+    if (bus) {
+        pioInterface = newPioInterface(name, hier, bus, this,
+                                       &AlphaConsole::cacheAccess);
+        pioInterface->addAddrRange(addr, addr + size);
+    }
+
     consoleData = new uint8_t[size];
     memset(consoleData, 0, size);
 
@@ -185,6 +195,12 @@ AlphaConsole::write(MemReqPtr &req, const uint8_t *data)
     return No_Fault;
 }
 
+Tick
+AlphaConsole::cacheAccess(MemReqPtr &req)
+{
+    return curTick + 1000;
+}
+
 void
 AlphaAccess::serialize(ostream &os)
 {
@@ -253,6 +269,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
     SimObjectParam<System *> system;
     SimObjectParam<BaseCPU *> cpu;
     SimObjectParam<TsunamiIO *> clock;
+    SimObjectParam<Bus*> io_bus;
+    SimObjectParam<HierParams *> hier;
 
 END_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
 
@@ -265,14 +283,17 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaConsole)
     INIT_PARAM(addr, "Device Address"),
     INIT_PARAM(system, "system object"),
     INIT_PARAM(cpu, "Processor"),
-    INIT_PARAM(clock, "Turbolaser Clock")
+    INIT_PARAM(clock, "Turbolaser Clock"),
+    INIT_PARAM_DFLT(io_bus, "The IO Bus to attach to", NULL),
+    INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams)
 
 END_INIT_SIM_OBJECT_PARAMS(AlphaConsole)
 
 CREATE_SIM_OBJECT(AlphaConsole)
 {
-    return  new AlphaConsole(getInstanceName(), sim_console, disk,
-                             system, cpu, clock, num_cpus, addr, mmu);
+    return new AlphaConsole(getInstanceName(), sim_console, disk,
+                            system, cpu, clock, num_cpus, mmu,
+                            addr, hier, io_bus);
 }
 
 REGISTER_SIM_OBJECT("AlphaConsole", AlphaConsole)
diff --git a/dev/alpha_console.hh b/dev/alpha_console.hh
index d0fa552af..be8538e50 100644
--- a/dev/alpha_console.hh
+++ b/dev/alpha_console.hh
@@ -35,7 +35,7 @@
 
 #include "base/range.hh"
 #include "dev/alpha_access.h"
-#include "mem/functional_mem/functional_memory.hh"
+#include "dev/io_device.hh"
 #include "sim/host.hh"
 #include "dev/tsunami_io.hh"
 
@@ -70,7 +70,7 @@ class SimpleDisk;
  * primarily used doing boot before the kernel has loaded its device
  * drivers.
  */
-class AlphaConsole : public FunctionalMemory
+class AlphaConsole : public PioDevice
 {
   protected:
     union {
@@ -89,10 +89,10 @@ class AlphaConsole : public FunctionalMemory
 
   public:
     /** Standard Constructor */
-    AlphaConsole(const std::string &name, SimConsole *cons,
-                 SimpleDisk *d, System *system, BaseCPU *cpu,
-                 TsunamiIO *clock, int num_cpus,
-                 Addr a, MemoryController *mmu);
+    AlphaConsole(const std::string &name, SimConsole *cons, SimpleDisk *d,
+                 System *system, BaseCPU *cpu, TsunamiIO *clock,
+                 int num_cpus, MemoryController *mmu, Addr addr,
+                 HierParams *hier, Bus *bus);
 
     /**
      * memory mapped reads and writes
@@ -105,6 +105,9 @@ class AlphaConsole : public FunctionalMemory
      */
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
+
+  public:
+    Tick cacheAccess(MemReqPtr &req);
 };
 
 #endif // __ALPHA_CONSOLE_HH__
diff --git a/dev/etherdump.cc b/dev/etherdump.cc
index 6d86adc32..b6d6bbe30 100644
--- a/dev/etherdump.cc
+++ b/dev/etherdump.cc
@@ -34,6 +34,7 @@
 
 #include <string>
 
+#include "base/misc.hh"
 #include "dev/etherdump.hh"
 #include "sim/builder.hh"
 #include "sim/universe.hh"
@@ -43,11 +44,8 @@ using std::string;
 EtherDump::EtherDump(const string &name, const string &file)
     : SimObject(name)
 {
-    if (!file.empty()) {
+    if (!file.empty())
         stream.open(file.c_str());
-        if (stream.is_open())
-            init();
-    }
 }
 
 #define DLT_EN10MB		1       	// Ethernet (10Mb)
@@ -66,7 +64,8 @@ struct pcap_file_header {
 };
 
 struct pcap_pkthdr {
-    struct timeval ts;		// time stamp
+    uint32_t seconds;
+    uint32_t microseconds;
     uint32_t caplen;		// length of portion present
     uint32_t len;		// length this packet (off wire)
 };
@@ -74,6 +73,9 @@ struct pcap_pkthdr {
 void
 EtherDump::init()
 {
+    if (!stream.is_open())
+        return;
+
     curtime = time(NULL);
     s_freq = ticksPerSecond;
     us_freq = ticksPerSecond / ULL(1000000);
@@ -96,8 +98,8 @@ EtherDump::init()
      * to sim_cycles.
      */
     pcap_pkthdr pkthdr;
-    pkthdr.ts.tv_sec = curtime;
-    pkthdr.ts.tv_usec = 0;
+    pkthdr.seconds = curtime;
+    pkthdr.microseconds = 0;
     pkthdr.caplen = 0;
     pkthdr.len = 0;
     stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
@@ -109,8 +111,8 @@ void
 EtherDump::dumpPacket(PacketPtr &packet)
 {
     pcap_pkthdr pkthdr;
-    pkthdr.ts.tv_sec = curtime + (curTick / s_freq);
-    pkthdr.ts.tv_usec = (curTick / us_freq) % ULL(1000000);
+    pkthdr.seconds = curtime + (curTick / s_freq);
+    pkthdr.microseconds = (curTick / us_freq) % ULL(1000000);
     pkthdr.caplen = packet->length;
     pkthdr.len = packet->length;
     stream.write(reinterpret_cast<char *>(&pkthdr), sizeof(pkthdr));
diff --git a/dev/etherlink.cc b/dev/etherlink.cc
index 676b1da1c..25991f1a7 100644
--- a/dev/etherlink.cc
+++ b/dev/etherlink.cc
@@ -42,17 +42,19 @@
 #include "dev/etherpkt.hh"
 #include "sim/builder.hh"
 #include "sim/universe.hh"
+#include "sim/system.hh"
 
 using namespace std;
 
-EtherLink::EtherLink(const std::string &name, EtherInt *i1, EtherInt *i2,
-                     Tick speed, EtherDump *dump)
+EtherLink::EtherLink(const string &name, EtherInt *i1, EtherInt *i2,
+                     Tick speed, Tick dly, EtherDump *dump)
     : SimObject(name)
 {
     double rate = ((double)ticksPerSecond * 8.0) / (double)speed;
+    Tick delay = US2Ticks(dly);
 
-    link1 = new Link(name + ".link1", rate, dump);
-    link2 = new Link(name + ".link2", rate, dump);
+    link1 = new Link(name + ".link1", rate, delay, dump);
+    link2 = new Link(name + ".link2", rate, delay, dump);
 
     int1 = new Interface(name + ".int1", link1, link2);
     int2 = new Interface(name + ".int2", link2, link1);
@@ -72,28 +74,76 @@ EtherLink::~EtherLink()
     delete int2;
 }
 
-EtherLink::Interface::Interface(const std::string &name, Link *tx, Link *rx)
+EtherLink::Interface::Interface(const string &name, Link *tx, Link *rx)
     : EtherInt(name), txlink(tx)
 {
     tx->setTxInt(this);
     rx->setRxInt(this);
 }
 
-EtherLink::Link::Link(const std::string &name, double rate, EtherDump *d)
-    : objName(name), txint(NULL), rxint(NULL), ticks_per_byte(rate),
-      dump(d), event(&mainEventQueue, this)
+EtherLink::Link::Link(const string &name, double rate, Tick delay,
+                      EtherDump *d)
+    : objName(name), txint(NULL), rxint(NULL), ticksPerByte(rate),
+      linkDelay(delay), dump(d), doneEvent(this)
 {}
 
 void
+EtherLink::serialize(ostream &os)
+{
+    nameOut(os, name() + ".link1");
+    link1->serialize(os);
+    nameOut(os, name() + ".link2");
+    link2->serialize(os);
+}
+
+void
+EtherLink::unserialize(Checkpoint *cp, const string &section)
+{
+    link1->unserialize(cp, section + ".link1");
+    link2->unserialize(cp, section + ".link2");
+}
+
+void
+EtherLink::Link::txComplete(PacketPtr &packet)
+{
+    DPRINTF(Ethernet, "packet received: len=%d\n", packet->length);
+    DDUMP(EthernetData, packet->data, packet->length);
+    rxint->sendPacket(packet);
+}
+
+class LinkDelayEvent : public Event
+{
+  protected:
+    EtherLink::Link *link;
+    PacketPtr packet;
+
+    // non-scheduling version for createForUnserialize()
+    LinkDelayEvent(EtherLink::Link *link);
+
+  public:
+    LinkDelayEvent(EtherLink::Link *link, PacketPtr &pkt, Tick when);
+
+    void process();
+
+    virtual void serialize(ostream &os);
+    virtual void unserialize(Checkpoint *cp, const string &section);
+    static Serializable *createForUnserialize(Checkpoint *cp,
+                                              const string &section);
+};
+
+
+void
 EtherLink::Link::txDone()
 {
     if (dump)
         dump->dump(packet);
 
-    DPRINTF(Ethernet, "EtherLink packet received: len=%d\n", packet->length);
-    DDUMP(EthernetData, packet->data, packet->length);
-
-    rxint->sendPacket(packet);
+    if (linkDelay > 0) {
+        DPRINTF(Ethernet, "packet delayed: delay=%d\n", linkDelay);
+        new LinkDelayEvent(this, packet, curTick + linkDelay);
+    } else {
+        txComplete(packet);
+    }
 
     packet = 0;
     assert(!busy());
@@ -105,27 +155,118 @@ bool
 EtherLink::Link::transmit(PacketPtr &pkt)
 {
     if (busy()) {
-        DPRINTF(Ethernet, "EtherLink packet not sent, link busy\n");
+        DPRINTF(Ethernet, "packet not sent, link busy\n");
         return false;
     }
 
-    DPRINTF(Ethernet, "EtherLink packet sent: len=%d\n", pkt->length);
+    DPRINTF(Ethernet, "packet sent: len=%d\n", pkt->length);
     DDUMP(EthernetData, pkt->data, pkt->length);
 
     packet = pkt;
-    int delay = (int)ceil(((double)pkt->length * ticks_per_byte) + 1.0);
-    DPRINTF(Ethernet, "EtherLink scheduling packet: delay=%d, (rate=%f)\n",
-            delay, ticks_per_byte);
-    event.schedule(curTick + delay);
+    Tick delay = (Tick)ceil(((double)pkt->length * ticksPerByte) + 1.0);
+    DPRINTF(Ethernet, "scheduling packet: delay=%d, (rate=%f)\n",
+            delay, ticksPerByte);
+    doneEvent.schedule(curTick + delay);
 
     return true;
 }
 
+void
+EtherLink::Link::serialize(ostream &os)
+{
+    bool packet_exists = packet;
+    SERIALIZE_SCALAR(packet_exists);
+
+    bool event_scheduled = doneEvent.scheduled();
+    SERIALIZE_SCALAR(event_scheduled);
+    if (event_scheduled) {
+        Tick event_time = doneEvent.when();
+        SERIALIZE_SCALAR(event_time);
+    }
+
+    if (packet_exists) {
+        nameOut(os, csprintf("%s.packet", name()));
+        packet->serialize(os);
+    }
+}
+
+void
+EtherLink::Link::unserialize(Checkpoint *cp, const string &section)
+{
+    bool packet_exists;
+    UNSERIALIZE_SCALAR(packet_exists);
+    if (packet_exists) {
+        packet = new EtherPacket;
+        packet->unserialize(cp, csprintf("%s.packet", section));
+    }
+
+    bool event_scheduled;
+    UNSERIALIZE_SCALAR(event_scheduled);
+    if (event_scheduled) {
+        Tick event_time;
+        UNSERIALIZE_SCALAR(event_time);
+        doneEvent.schedule(event_time);
+    }
+}
+
+LinkDelayEvent::LinkDelayEvent(EtherLink::Link *l)
+    : Event(&mainEventQueue), link(l)
+{
+    setFlags(AutoSerialize);
+    setFlags(AutoDelete);
+}
+
+LinkDelayEvent::LinkDelayEvent(EtherLink::Link *l, PacketPtr &p, Tick when)
+    : Event(&mainEventQueue), link(l), packet(p)
+{
+    setFlags(AutoSerialize);
+    setFlags(AutoDelete);
+    schedule(when);
+}
+
+void
+LinkDelayEvent::process()
+{
+    link->txComplete(packet);
+}
+
+void
+LinkDelayEvent::serialize(ostream &os)
+{
+    paramOut(os, "type", string("LinkDelayEvent"));
+    Event::serialize(os);
+    SERIALIZE_OBJPTR(link);
+
+    nameOut(os, csprintf("%s.packet", name()));
+    packet->serialize(os);
+}
+
+
+void
+LinkDelayEvent::unserialize(Checkpoint *cp, const string &section)
+{
+    Event::unserialize(cp, section);
+    packet = new EtherPacket;
+    packet->unserialize(cp, csprintf("%s.packet", section));
+}
+
+
+Serializable *
+LinkDelayEvent::createForUnserialize(Checkpoint *cp, const string &section)
+{
+    EtherLink::Link *link;
+    UNSERIALIZE_OBJPTR(link);
+    return new LinkDelayEvent(link);
+}
+
+REGISTER_SERIALIZEABLE("LinkDelayEvent", LinkDelayEvent)
+
 BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherLink)
 
     SimObjectParam<EtherInt *> interface1;
     SimObjectParam<EtherInt *> interface2;
     Param<Tick> link_speed;
+    Param<Tick> link_delay;
     SimObjectParam<EtherDump *> packet_dump;
 
 END_DECLARE_SIM_OBJECT_PARAMS(EtherLink)
@@ -135,6 +276,7 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(EtherLink)
     INIT_PARAM(interface1, "interface 1"),
     INIT_PARAM(interface2, "interface 2"),
     INIT_PARAM_DFLT(link_speed, "link speed in bits per second", 100000000),
+    INIT_PARAM_DFLT(link_delay, "transmit delay of packets in us", 0),
     INIT_PARAM_DFLT(packet_dump, "object to dump network packets to", NULL)
 
 END_INIT_SIM_OBJECT_PARAMS(EtherLink)
@@ -142,7 +284,7 @@ END_INIT_SIM_OBJECT_PARAMS(EtherLink)
 CREATE_SIM_OBJECT(EtherLink)
 {
     return new EtherLink(getInstanceName(), interface1, interface2, link_speed,
-                         packet_dump);
+                         link_delay, packet_dump);
 }
 
 REGISTER_SIM_OBJECT("EtherLink", EtherLink)
diff --git a/dev/etherlink.hh b/dev/etherlink.hh
index e1a7957ee..3b1dd21bc 100644
--- a/dev/etherlink.hh
+++ b/dev/etherlink.hh
@@ -49,6 +49,7 @@ class EtherLink : public SimObject
   protected:
     class Interface;
 
+    friend class LinkDelayEvent;
      /*
       * Model for a single uni-directional link
       */
@@ -59,34 +60,26 @@ class EtherLink : public SimObject
         Interface *txint;
         Interface *rxint;
 
-        double ticks_per_byte;
+        double ticksPerByte;
+        Tick linkDelay;
         EtherDump *dump;
 
       protected:
         /*
          * Transfer is complete
          */
-        class DoneEvent : public Event
-        {
-          protected:
-            Link *link;
-
-          public:
-            DoneEvent(EventQueue *q, Link *l)
-                : Event(q), link(l) {}
-            virtual void process() { link->txDone(); }
-            virtual const char *description()
-                { return "ethernet link completion"; }
-        };
-
-        friend class DoneEvent;
-        DoneEvent event;
         PacketPtr packet;
-
         void txDone();
+        typedef EventWrapper<Link, &Link::txDone> DoneEvent;
+        friend class DoneEvent;
+        DoneEvent doneEvent;
+
+        friend class LinkDelayEvent;
+        void txComplete(PacketPtr &packet);
 
       public:
-        Link(const std::string &name, double rate, EtherDump *dump);
+        Link(const std::string &name, double rate, Tick delay,
+             EtherDump *dump);
         ~Link() {}
 
         virtual const std::string name() const { return objName; }
@@ -96,6 +89,9 @@ class EtherLink : public SimObject
 
         void setTxInt(Interface *i) { assert(!txint); txint = i; }
         void setRxInt(Interface *i) { assert(!rxint); rxint = i; }
+
+        virtual void serialize(std::ostream &os);
+        virtual void unserialize(Checkpoint *cp, const std::string &section);
     };
 
     /*
@@ -120,8 +116,12 @@ class EtherLink : public SimObject
 
   public:
     EtherLink(const std::string &name, EtherInt *i1, EtherInt *i2,
-              Tick speed, EtherDump *dump);
+              Tick speed, Tick delay, EtherDump *dump);
     virtual ~EtherLink();
+
+    virtual void serialize(std::ostream &os);
+    virtual void unserialize(Checkpoint *cp, const std::string &section);
+
 };
 
 #endif // __ETHERLINK_HH__
diff --git a/dev/etherpkt.cc b/dev/etherpkt.cc
new file mode 100644
index 000000000..cb6087c89
--- /dev/null
+++ b/dev/etherpkt.cc
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2004 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.
+ */
+
+#include <iostream>
+
+#include "dev/etherpkt.hh"
+#include "sim/serialize.hh"
+
+using namespace std;
+
+void
+EtherPacket::serialize(ostream &os)
+{
+    SERIALIZE_SCALAR(length);
+    SERIALIZE_ARRAY(data, length);
+}
+
+void
+EtherPacket::unserialize(Checkpoint *cp, const std::string &section)
+{
+    UNSERIALIZE_SCALAR(length);
+    data = new uint8_t[length];
+    UNSERIALIZE_ARRAY(data, length);
+}
+
diff --git a/dev/etherpkt.hh b/dev/etherpkt.hh
index c91322526..27ac526d6 100644
--- a/dev/etherpkt.hh
+++ b/dev/etherpkt.hh
@@ -33,10 +33,10 @@
 #ifndef __ETHERPKT_HH__
 #define __ETHERPKT_HH__
 
+#include <iosfwd>
 #include <memory>
 
 #include "sim/host.hh"
-
 #include "base/refcnt.hh"
 
 class Checkpoint;
diff --git a/dev/io_device.cc b/dev/io_device.cc
new file mode 100644
index 000000000..4f53ba48d
--- /dev/null
+++ b/dev/io_device.cc
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2003 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.
+ */
+
+#include "dev/io_device.hh"
+#include "mem/bus/base_interface.hh"
+#include "mem/bus/dma_interface.hh"
+
+PioDevice::PioDevice(const std::string &name)
+    : FunctionalMemory(name), pioInterface(NULL)
+{}
+
+PioDevice::~PioDevice()
+{
+    if (pioInterface)
+        delete pioInterface;
+}
+
+DmaDevice::DmaDevice(const std::string &name)
+    : PioDevice(name), dmaInterface(NULL)
+{}
+
+DmaDevice::~DmaDevice()
+{
+    if (dmaInterface)
+        delete dmaInterface;
+}
+
diff --git a/dev/io_device.hh b/dev/io_device.hh
new file mode 100644
index 000000000..9300d87e7
--- /dev/null
+++ b/dev/io_device.hh
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2003 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.
+ */
+
+#ifndef __IO_DEVICE_HH__
+#define __IO_DEVICE_HH__
+
+#include "mem/functional_mem/functional_memory.hh"
+
+class BaseInterface;
+class Bus;
+class HierParams;
+template <class Bus> class DMAInterface;
+
+class PioDevice : public FunctionalMemory
+{
+  protected:
+    BaseInterface *pioInterface;
+
+  public:
+    PioDevice(const std::string &name);
+    virtual ~PioDevice();
+};
+
+class DmaDevice : public PioDevice
+{
+  protected:
+    DMAInterface<Bus> *dmaInterface;
+
+  public:
+    DmaDevice(const std::string &name);
+    virtual ~DmaDevice();
+};
+
+#endif // __IO_DEVICE_HH__
diff --git a/kern/tru64/tru64_events.cc b/kern/tru64/tru64_events.cc
index f542256e4..a57c01841 100644
--- a/kern/tru64/tru64_events.cc
+++ b/kern/tru64/tru64_events.cc
@@ -35,11 +35,8 @@
 #include "kern/tru64/tru64_events.hh"
 #include "mem/functional_mem/memory_control.hh"
 #include "targetarch/arguments.hh"
-
-#ifdef FS_MEASURE
 #include "sim/system.hh"
 #include "sim/sw_context.hh"
-#endif
 
 void
 SkipFuncEvent::process(ExecContext *xc)
@@ -110,7 +107,6 @@ DumpMbufEvent::process(ExecContext *xc)
     }
 }
 
-#ifdef FS_MEASURE
 FnEvent::FnEvent(PCEventQueue *q, const std::string & desc, System *system)
     : PCEvent(q, desc), _name(desc)
 {
@@ -128,13 +124,25 @@ FnEvent::process(ExecContext *xc)
     DPRINTF(TCPIP, "%s: %s Event!!!\n", xc->system->name(), description);
 
     if (ctx && !ctx->callStack.empty()) {
+        DPRINTF(TCPIP, "already a callstack!\n");
         fnCall *last = ctx->callStack.top();
-        if (!xc->system->findCaller(myname(), last->name)) {
+
+        if (last->name == "idle_thread")
+            ctx->calls++;
+
+        if (!xc->system->findCaller(myname(), "" ) &&
+            !xc->system->findCaller(myname(), last->name)) {
+
+            DPRINTF(TCPIP, "but can't find parent %s\n", last->name);
             return;
         }
         ctx->calls--;
+
+        //assert(!ctx->calls && "on a binned fn, calls should == 0 (but can happen in boot)");
     } else {
+        DPRINTF(TCPIP, "no callstack yet\n");
         if (!xc->system->findCaller(myname(), "")) {
+            DPRINTF(TCPIP, "not the right function, returning\n");
             return;
         }
         if (!ctx)  {
@@ -150,6 +158,7 @@ FnEvent::process(ExecContext *xc)
     ctx->callStack.push(call);
     myBin->activate();
     xc->system->fnCalls++;
+    DPRINTF(TCPIP, "fnCalls for %s is %d\n", description,
+            xc->system->fnCalls.val());
     xc->system->dumpState(xc);
 }
-#endif //FS_MEASURE
diff --git a/kern/tru64/tru64_events.hh b/kern/tru64/tru64_events.hh
index 2067f2ef3..96e6a8b26 100644
--- a/kern/tru64/tru64_events.hh
+++ b/kern/tru64/tru64_events.hh
@@ -35,9 +35,7 @@
 
 class ExecContext;
 
-#ifdef FS_MEASURE
 class System;
-#endif
 
 class SkipFuncEvent : public PCEvent
 {
@@ -82,7 +80,6 @@ class DumpMbufEvent : public PCEvent
     virtual void process(ExecContext *xc);
 };
 
-#ifdef FS_MEASURE
 class FnEvent : public PCEvent
 {
   public:
@@ -94,5 +91,4 @@ class FnEvent : public PCEvent
     std::string _name;
     Statistics::MainBin *myBin;
 };
-#endif //FS_MEASURE
 #endif // __TRU64_EVENTS_HH__
diff --git a/kern/tru64/tru64_system.cc b/kern/tru64/tru64_system.cc
index 1cd98fdc1..b03d7bf26 100644
--- a/kern/tru64/tru64_system.cc
+++ b/kern/tru64/tru64_system.cc
@@ -41,17 +41,15 @@
 #include "targetarch/isa_traits.hh"
 #include "targetarch/vtophys.hh"
 
-//un-comment this to see the state of call stack when it changes.
-//#define SW_DEBUG
-
 using namespace std;
 
 Tru64System::Tru64System(const string _name, const uint64_t _init_param,
                          MemoryController *_memCtrl, PhysicalMemory *_physmem,
                          const string &kernel_path, const string &console_path,
                          const string &palcode, const string &boot_osflags,
-                         const bool _bin)
-     : System(_name, _init_param, _memCtrl, _physmem, _bin), bin(_bin)
+                         const bool _bin, const vector<string> &binned_fns)
+    : System(_name, _init_param, _memCtrl, _physmem, _bin),
+      bin(_bin), binned_fns(binned_fns)
 {
     kernelSymtab = new SymbolTable;
     consoleSymtab = new SymbolTable;
@@ -92,106 +90,6 @@ Tru64System::Tru64System(const string _name, const uint64_t _init_param,
 
     DPRINTF(Loader, "Kernel loaded...\n");
 
-#ifdef FS_MEASURE
-    //INSTRUMENTATION CODEGEN BEGIN ONE
-    if (bin == true) {
-        esIntrBin = new Statistics::MainBin(name() + " es_intr");
-        fnBins.insert(make_pair("es_intr", esIntrBin));
-
-        esRxeofBin = new Statistics::MainBin(name() + " es_rxeof");
-        fnBins.insert(make_pair("es_rxeof", esRxeofBin));
-
-        esNewbufBin = new Statistics::MainBin(name() + " es_newbuf");
-        fnBins.insert(make_pair("es_newbuf", esNewbufBin));
-
-        esDmaLoadBin = new Statistics::MainBin(name() + " es_dma_load");
-        fnBins.insert(make_pair("es_dma_load", esDmaLoadBin));
-
-        dmaMapLoadBin = new Statistics::MainBin(name() + " dma_map_load");
-        fnBins.insert(make_pair("dma_map_load", dmaMapLoadBin));
-
-        etherInputBin = new Statistics::MainBin(name() + " ether_input");
-        fnBins.insert(make_pair("ether_input", etherInputBin));
-
-        netisrInputBin = new Statistics::MainBin(name() + " netisr_input");
-        fnBins.insert(make_pair("netisr_input", netisrInputBin));
-
-        schednetisrIsrBin = new Statistics::MainBin(name() + " schednetisr_isr");
-        fnBins.insert(make_pair("schednetisr_isr", schednetisrIsrBin));
-
-        ipintrBin = new Statistics::MainBin(name() + " ipintr");
-        fnBins.insert(make_pair("ipintr", ipintrBin));
-
-        ipDooptionsBin = new Statistics::MainBin(name() + " ip_dooptions");
-        fnBins.insert(make_pair("ip_dooptions", ipDooptionsBin));
-
-        ipReassBin = new Statistics::MainBin(name() + " ip_reass");
-        fnBins.insert(make_pair("ip_reass", ipReassBin));
-
-        tcpInputBin = new Statistics::MainBin(name() + " tcp_input");
-        fnBins.insert(make_pair("tcp_input", tcpInputBin));
-
-        sbappendBin = new Statistics::MainBin(name() + " sbappend");
-        fnBins.insert(make_pair("sbappend", sbappendBin));
-
-        readBin = new Statistics::MainBin(name() + " read");
-        fnBins.insert(make_pair("read", readBin));
-
-        sooReadBin = new Statistics::MainBin(name() + " soo_read");
-        fnBins.insert(make_pair("soo_read", sooReadBin));
-
-        orecvBin = new Statistics::MainBin(name() + " orecv");
-        fnBins.insert(make_pair("orecv", orecvBin));
-
-        recvitBin = new Statistics::MainBin(name() + " recvit");
-        fnBins.insert(make_pair("recvit", recvitBin));
-
-        soreceiveBin = new Statistics::MainBin(name() + " soreceive");
-        fnBins.insert(make_pair("soreceive", soreceiveBin));
-
-        osendBin = new Statistics::MainBin(name() + " osend");
-        fnBins.insert(make_pair("osend", osendBin));
-
-        writeBin = new Statistics::MainBin(name() + " write");
-        fnBins.insert(make_pair("write", writeBin));
-
-        sooWriteBin = new Statistics::MainBin(name() + " soo_write");
-        fnBins.insert(make_pair("soo_write", sooWriteBin));
-
-        senditBin = new Statistics::MainBin(name() + " sendit");
-        fnBins.insert(make_pair("sendit", senditBin));
-
-        sosendBin = new Statistics::MainBin(name() + " sosend");
-        fnBins.insert(make_pair("sosend", sosendBin));
-
-        tcpSosendBin = new Statistics::MainBin(name() + " tcp_sosend");
-        fnBins.insert(make_pair("tcp_sosend", tcpSosendBin));
-
-        tcpOutputBin = new Statistics::MainBin(name() + " tcp_output");
-        fnBins.insert(make_pair("tcp_output", tcpOutputBin));
-
-        ipOutputBin = new Statistics::MainBin(name() + " ip_output");
-        fnBins.insert(make_pair("ip_output", ipOutputBin));
-
-        etherOutputBin = new Statistics::MainBin(name() + " ether_output");
-        fnBins.insert(make_pair("ether_output", etherOutputBin));
-
-        esStartBin = new Statistics::MainBin(name() + " es_start");
-        fnBins.insert(make_pair("es_start", esStartBin));
-
-        esTransmitBin = new Statistics::MainBin(name() + " es_transmit");
-        fnBins.insert(make_pair("es_transmit", esTransmitBin));
-
-        esTxeofBin = new Statistics::MainBin(name() + " es_txeof");
-        fnBins.insert(make_pair("es_txeof", esTxeofBin));
-
-        idleThreadBin = new Statistics::MainBin(name() + " idle_thread");
-        fnBins.insert(make_pair("idle_thread", idleThreadBin));
-
-    }
-    //INSTRUMENTATION CODEGEN END
-#endif //FS_MEASURE
-
 #ifdef DEBUG
     kernelPanicEvent = new BreakPCEvent(&pcEventQueue, "kernel panic");
     consolePanicEvent = new BreakPCEvent(&pcEventQueue, "console panic");
@@ -208,44 +106,6 @@ Tru64System::Tru64System(const string _name, const uint64_t _init_param,
                                              "debug_printfr", true);
     dumpMbufEvent = new DumpMbufEvent(&pcEventQueue, "dump_mbuf");
 
-#ifdef FS_MEASURE
-    //INSTRUMENTATION CODEGEN BEGIN TWO
-    if (bin == true) {
-          esIntrEvent = new FnEvent(&pcEventQueue, "es_intr", this);
-          esRxeofEvent = new FnEvent(&pcEventQueue, "es_rxeof", this);
-          esNewbufEvent = new FnEvent(&pcEventQueue, "es_newbuf", this);
-          esDmaLoadEvent = new FnEvent(&pcEventQueue, "es_dma_load", this);
-          dmaMapLoadEvent = new FnEvent(&pcEventQueue, "dma_map_load", this);
-          etherInputEvent = new FnEvent(&pcEventQueue, "ether_input", this);
-          netisrInputEvent = new FnEvent(&pcEventQueue, "netisr_input", this);
-          schednetisrIsrEvent = new FnEvent(&pcEventQueue, "schednetisr_isr", this);
-          ipintrEvent = new FnEvent(&pcEventQueue, "ipintr", this);
-          ipDooptionsEvent = new FnEvent(&pcEventQueue, "ip_dooptions", this);
-          ipReassEvent = new FnEvent(&pcEventQueue, "ip_reass", this);
-          tcpInputEvent = new FnEvent(&pcEventQueue, "tcp_input", this);
-          sbappendEvent = new FnEvent(&pcEventQueue, "sbappend", this);
-          readEvent = new FnEvent(&pcEventQueue, "read", this);
-          sooReadEvent = new FnEvent(&pcEventQueue, "soo_read", this);
-          orecvEvent = new FnEvent(&pcEventQueue, "orecv", this);
-          recvitEvent = new FnEvent(&pcEventQueue, "recvit", this);
-          soreceiveEvent = new FnEvent(&pcEventQueue, "soreceive", this);
-          osendEvent = new FnEvent(&pcEventQueue, "osend", this);
-          writeEvent = new FnEvent(&pcEventQueue, "write", this);
-          sooWriteEvent = new FnEvent(&pcEventQueue, "soo_write", this);
-          senditEvent = new FnEvent(&pcEventQueue, "sendit", this);
-          sosendEvent = new FnEvent(&pcEventQueue, "sosend", this);
-          tcpSosendEvent = new FnEvent(&pcEventQueue, "tcp_sosend", this);
-          tcpOutputEvent = new FnEvent(&pcEventQueue, "tcp_output", this);
-          ipOutputEvent = new FnEvent(&pcEventQueue, "ip_output", this);
-          etherOutputEvent = new FnEvent(&pcEventQueue, "ether_output", this);
-          esStartEvent = new FnEvent(&pcEventQueue, "es_start", this);
-          esTransmitEvent = new FnEvent(&pcEventQueue, "es_transmit", this);
-          esTxeofEvent = new FnEvent(&pcEventQueue, "es_txeof", this);
-          idleThreadEvent = new FnEvent(&pcEventQueue, "idle_thread", this);
-    }
-    //INSTRUMENTATION CODEGEN END
-#endif //FS_MEASURE
-
     Addr addr = 0;
     if (kernelSymtab->findAddress("enable_async_printf", addr)) {
         Addr paddr = vtophys(physmem, addr);
@@ -299,212 +159,38 @@ Tru64System::Tru64System(const string _name, const uint64_t _init_param,
         dumpMbufEvent->schedule(addr);
 #endif
 
-#ifdef FS_MEASURE
-    //INSTRUMENTATION CODEGEN BEGIN THREE
+    // BINNING STUFF
     if (bin == true) {
-        if (kernelSymtab->findAddress("es_intr", addr))
-            esIntrEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_intr\'");
-
-        if (kernelSymtab->findAddress("es_rxeof", addr))
-            esRxeofEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_rxeof\'");
-
-        if (kernelSymtab->findAddress("es_newbuf", addr))
-            esNewbufEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_newbuf\'");
-
-        if (kernelSymtab->findAddress("es_dma_load", addr))
-            esDmaLoadEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_dma_load\'");
-
-        if (kernelSymtab->findAddress("dma_map_load", addr))
-            dmaMapLoadEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'dma_map_load\'");
-
-        if (kernelSymtab->findAddress("ether_input", addr))
-            etherInputEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'ether_input\'");
-
-        if (kernelSymtab->findAddress("netisr_input", addr))
-            netisrInputEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'netisr_input\'");
-
-        if (kernelSymtab->findAddress("schednetisr_isr", addr))
-            schednetisrIsrEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'schednetisr_isr\'");
-
-        if (kernelSymtab->findAddress("ipintr", addr))
-            ipintrEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'ipintr\'");
-
-        if (kernelSymtab->findAddress("ip_dooptions", addr))
-            ipDooptionsEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'ip_dooptions\'");
-
-        if (kernelSymtab->findAddress("ip_reass", addr))
-            ipReassEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'ip_reass\'");
-
-        if (kernelSymtab->findAddress("tcp_input", addr))
-            tcpInputEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'tcp_input\'");
-
-        if (kernelSymtab->findAddress("sbappend", addr))
-            sbappendEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'sbappend\'");
-
-        if (kernelSymtab->findAddress("read", addr))
-            readEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'read\'");
-
-        if (kernelSymtab->findAddress("soo_read", addr))
-            sooReadEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'soo_read\'");
-
-        if (kernelSymtab->findAddress("orecv", addr))
-            orecvEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'orecv\'");
-
-        if (kernelSymtab->findAddress("recvit", addr))
-            recvitEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'recvit\'");
-
-        if (kernelSymtab->findAddress("soreceive", addr))
-            soreceiveEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'soreceive\'");
-
-        if (kernelSymtab->findAddress("osend", addr))
-            osendEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'osend\'");
-
-        if (kernelSymtab->findAddress("write", addr))
-            writeEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'write\'");
-
-        if (kernelSymtab->findAddress("soo_write", addr))
-            sooWriteEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'soo_write\'");
-
-        if (kernelSymtab->findAddress("sendit", addr))
-            senditEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'sendit\'");
-
-        if (kernelSymtab->findAddress("sosend", addr))
-            sosendEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'sosend\'");
-
-        if (kernelSymtab->findAddress("tcp_sosend", addr))
-            tcpSosendEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'tcp_sosend\'");
-
-        if (kernelSymtab->findAddress("tcp_output", addr))
-            tcpOutputEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'tcp_output\'");
-
-        if (kernelSymtab->findAddress("ip_output", addr))
-            ipOutputEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'ip_output\'");
-
-        if (kernelSymtab->findAddress("ether_output", addr))
-            etherOutputEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'ether_output\'");
-
-        if (kernelSymtab->findAddress("es_start", addr))
-            esStartEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_start\'");
-
-        if (kernelSymtab->findAddress("es_transmit", addr))
-            esTransmitEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_transmit\'");
-
-        if (kernelSymtab->findAddress("es_txeof", addr))
-            esTxeofEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'es_txeof\'");
-
-        if (kernelSymtab->findAddress("idle_thread", addr))
-            idleThreadEvent->schedule(addr);
-        else
-            panic("could not find kernel symbol \'idle_thread\'");
+        int end = binned_fns.size();
+        assert(!(end & 1));
+
+        Statistics::MainBin *Bin;
+        Addr address = 0;
+
+        fnEvents.resize(end>>1);
+
+        for (int i = 0; i < end; i +=2) {
+            Bin = new Statistics::MainBin(binned_fns[i]);
+            fnBins.insert(make_pair(binned_fns[i], Bin));
+
+            fnEvents[(i>>1)] = new FnEvent(&pcEventQueue, binned_fns[i], this);
+            if (kernelSymtab->findAddress(binned_fns[i], address))
+                fnEvents[(i>>1)]->schedule(address);
+            else
+                panic("could not find kernel symbol %s\n", binned_fns[i]);
+
+            if (binned_fns[i+1] == "null")
+                populateMap(binned_fns[i], "");
+            else
+                populateMap(binned_fns[i], binned_fns[i+1]);
+        }
 
-    }
-    //INSTRUMENTATION CODEGEN END
-     if (bin == true) {
         fnCalls
             .name(name() + ":fnCalls")
             .desc("all fn calls being tracked")
             ;
-
-        populateMap("es_intr", "");
-        populateMap("es_rxeof", "es_intr");
-        populateMap("es_newbuf", "es_rxeof");
-        populateMap("es_dma_load", "es_newbuf");
-        populateMap("dma_map_load", "es_dma_load");
-        populateMap("ether_input", "es_rxeof");
-        populateMap("netisr_input", "ether_input");
-        populateMap("schednetisr_isr", "netisr_input");
-
-        populateMap("ipintr", "");
-        populateMap("ip_dooptions", "ipintr");
-        populateMap("ip_reass", "ipintr");
-        populateMap("tcp_input", "ipintr");
-        populateMap("sbappend", "tcp_input");
-
-        populateMap("read", "");
-        populateMap("orecv", "");
-        populateMap("soo_read", "read");
-        populateMap("recvit", "orecv");
-        populateMap("soreceive", "recvit");
-        populateMap("soreceive", "soo_read");
-
-        populateMap("write", "");
-        populateMap("osend", "");
-        populateMap("soo_write", "write");
-        populateMap("sendit", "osend");
-        populateMap("sosend", "sendit");
-        populateMap("sosend", "soo_write");
-        populateMap("tcp_sosend", "sosend");
-        populateMap("tcp_output", "tcp_sosend");
-        populateMap("ip_output", "tcp_output");
-        populateMap("ether_output", "ip_output");
-        populateMap("es_start", "ether_output");
-        populateMap("es_transmit", "es_start");
-
-        populateMap("es_txeof", "es_intr");
-
-        populateMap("idle_thread", "");
     }
-#endif //FS_MEASURE
+    //
 }
 
 Tru64System::~Tru64System()
@@ -527,43 +213,13 @@ Tru64System::~Tru64System()
     delete debugPrintfrEvent;
     delete dumpMbufEvent;
 
-#ifdef FS_MEASURE
-    //INSTRUMENTATION CODEGEN BEGIN FOUR
     if (bin == true) {
-        delete esIntrEvent;
-        delete esRxeofEvent;
-        delete esNewbufEvent;
-        delete esDmaLoadEvent;
-        delete dmaMapLoadEvent;
-        delete etherInputEvent;
-        delete netisrInputEvent;
-        delete schednetisrIsrEvent;
-        delete ipintrEvent;
-        delete ipDooptionsEvent;
-        delete ipReassEvent;
-        delete tcpInputEvent;
-        delete sbappendEvent;
-        delete readEvent;
-        delete sooReadEvent;
-        delete orecvEvent;
-        delete recvitEvent;
-        delete soreceiveEvent;
-        delete osendEvent;
-        delete writeEvent;
-        delete sooWriteEvent;
-        delete senditEvent;
-        delete sosendEvent;
-        delete tcpSosendEvent;
-        delete tcpOutputEvent;
-        delete ipOutputEvent;
-        delete etherOutputEvent;
-        delete esStartEvent;
-        delete esTransmitEvent;
-        delete esTxeofEvent;
-        delete idleThreadEvent;
+        int end = fnEvents.size();
+        for (int i = 0; i < end; ++i) {
+            delete fnEvents[i];
+        }
+        fnEvents.clear();
     }
-    //INSTRUMENTATION CODEGEN END
-#endif //FS_MEASURE
 }
 
 int
@@ -604,7 +260,6 @@ Tru64System::breakpoint()
     return remoteGDB[0]->trap(ALPHA_KENTRY_INT);
 }
 
-#ifdef FS_MEASURE
 void
 Tru64System::populateMap(std::string callee, std::string caller)
 {
@@ -630,23 +285,19 @@ Tru64System::findCaller(std::string callee, std::string caller) const
 void
 Tru64System::dumpState(ExecContext *xc) const
 {
-#ifndef SW_DEBUG
-    return;
-#endif
     if (xc->swCtx) {
         stack<fnCall *> copy(xc->swCtx->callStack);
         if (copy.empty())
             return;
-        cprintf("xc->swCtx:\n");
+        DPRINTF(TCPIP, "xc->swCtx, size: %d:\n", copy.size());
         fnCall *top;
-        cprintf("||   call: %d\n",xc->swCtx->calls);
+        DPRINTF(TCPIP, "||     call : %d\n",xc->swCtx->calls);
         for (top = copy.top(); !copy.empty(); copy.pop() ) {
             top = copy.top();
-            cprintf("||  %13s : %s \n", top->name, top->myBin->name());
+            DPRINTF(TCPIP, "||  %13s : %s \n", top->name, top->myBin->name());
         }
     }
 }
-#endif //FS_MEASURE
 
 BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
 
@@ -659,6 +310,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
     Param<string> console_code;
     Param<string> pal_code;
     Param<string> boot_osflags;
+    VectorParam<string> binned_fns;
 
 END_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
 
@@ -672,8 +324,8 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(Tru64System)
     INIT_PARAM(console_code, "file that contains the console code"),
     INIT_PARAM(pal_code, "file that contains palcode"),
     INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
-                                   "a")
-
+                    "a"),
+    INIT_PARAM(binned_fns, "functions to be broken down and binned")
 
 END_INIT_SIM_OBJECT_PARAMS(Tru64System)
 
@@ -681,7 +333,8 @@ CREATE_SIM_OBJECT(Tru64System)
 {
     Tru64System *sys = new Tru64System(getInstanceName(), init_param, mem_ctl,
                                        physmem, kernel_code, console_code,
-                                       pal_code, boot_osflags, bin);
+                                       pal_code, boot_osflags, bin,
+                                       binned_fns);
 
     return sys;
 }
diff --git a/kern/tru64/tru64_system.hh b/kern/tru64/tru64_system.hh
index 93cc908e3..34569664d 100644
--- a/kern/tru64/tru64_system.hh
+++ b/kern/tru64/tru64_system.hh
@@ -29,15 +29,12 @@
 #ifndef __TRU64_SYSTEM_HH__
 #define __TRU64_SYSTEM_HH__
 
+#include <map>
 #include <vector>
 
 #include "sim/system.hh"
 #include "targetarch/isa_traits.hh"
 
-#ifdef FS_MEASURE
-#include <map>
-#endif
-
 class ExecContext;
 class EcoffObject;
 class SymbolTable;
@@ -48,9 +45,7 @@ class SkipFuncEvent;
 class PrintfEvent;
 class DebugPrintfEvent;
 class DumpMbufEvent;
-#ifdef FS_MEASURE
 class FnEvent;
-#endif
 class AlphaArguments;
 
 class Tru64System : public System
@@ -62,42 +57,6 @@ class Tru64System : public System
     SymbolTable *kernelSymtab;
     SymbolTable *consoleSymtab;
 
-#ifdef FS_MEASURE
-    //INSTRUMENTATION CODEGEN BEGIN ONE
-    Statistics::MainBin *esIntrBin;
-    Statistics::MainBin *esRxeofBin;
-    Statistics::MainBin *esNewbufBin;
-    Statistics::MainBin *esDmaLoadBin;
-    Statistics::MainBin *dmaMapLoadBin;
-    Statistics::MainBin *etherInputBin;
-    Statistics::MainBin *netisrInputBin;
-    Statistics::MainBin *schednetisrIsrBin;
-    Statistics::MainBin *ipintrBin;
-    Statistics::MainBin *ipDooptionsBin;
-    Statistics::MainBin *ipReassBin;
-    Statistics::MainBin *tcpInputBin;
-    Statistics::MainBin *sbappendBin;
-    Statistics::MainBin *readBin;
-    Statistics::MainBin *sooReadBin;
-    Statistics::MainBin *orecvBin;
-    Statistics::MainBin *recvitBin;
-    Statistics::MainBin *soreceiveBin;
-    Statistics::MainBin *osendBin;
-    Statistics::MainBin *writeBin;
-    Statistics::MainBin *sooWriteBin;
-    Statistics::MainBin *senditBin;
-    Statistics::MainBin *sosendBin;
-    Statistics::MainBin *tcpSosendBin;
-    Statistics::MainBin *tcpOutputBin;
-    Statistics::MainBin *ipOutputBin;
-    Statistics::MainBin *etherOutputBin;
-    Statistics::MainBin *esStartBin;
-    Statistics::MainBin *esTransmitBin;
-    Statistics::MainBin *esTxeofBin;
-    Statistics::MainBin *idleThreadBin;
-    //INSTRUMENTATION CODEGEN END
-#endif //FS_MEASURE
-
     BreakPCEvent *kernelPanicEvent;
     BreakPCEvent *consolePanicEvent;
     BadAddrEvent *badaddrEvent;
@@ -107,41 +66,8 @@ class Tru64System : public System
     DebugPrintfEvent *debugPrintfEvent;
     DebugPrintfEvent *debugPrintfrEvent;
     DumpMbufEvent *dumpMbufEvent;
-#ifdef FS_MEASURE
-    //INSTRUMENTATION CODEGEN BEGIN TWO
-    FnEvent *esIntrEvent;
-    FnEvent *esRxeofEvent;
-    FnEvent *esNewbufEvent;
-    FnEvent *esDmaLoadEvent;
-    FnEvent *dmaMapLoadEvent;
-    FnEvent *etherInputEvent;
-    FnEvent *netisrInputEvent;
-    FnEvent *schednetisrIsrEvent;
-    FnEvent *ipintrEvent;
-    FnEvent *ipDooptionsEvent;
-    FnEvent *ipReassEvent;
-    FnEvent *tcpInputEvent;
-    FnEvent *sbappendEvent;
-    FnEvent *readEvent;
-    FnEvent *sooReadEvent;
-    FnEvent *orecvEvent;
-    FnEvent *recvitEvent;
-    FnEvent *soreceiveEvent;
-    FnEvent *osendEvent;
-    FnEvent *writeEvent;
-    FnEvent *sooWriteEvent;
-    FnEvent *senditEvent;
-    FnEvent *sosendEvent;
-    FnEvent *tcpSosendEvent;
-    FnEvent *tcpOutputEvent;
-    FnEvent *ipOutputEvent;
-    FnEvent *etherOutputEvent;
-    FnEvent *esStartEvent;
-    FnEvent *esTransmitEvent;
-    FnEvent *esTxeofEvent;
-    FnEvent *idleThreadEvent;
-    //INSTRUMENTATION CODEGEN END
-#endif //FS_MEASURE
+
+    std::vector<FnEvent *> fnEvents;
 
   private:
 
@@ -149,11 +75,7 @@ class Tru64System : public System
     Addr kernelEnd;
     Addr kernelEntry;
     bool bin;
-
-#ifdef FS_MEASURE
-    std::multimap<const std::string, std::string> callerMap;
-    void populateMap(std::string caller, std::string callee);
-#endif
+    std::vector<string> binned_fns;
 
   public:
     std::vector<RemoteGDB *>   remoteGDB;
@@ -168,7 +90,8 @@ class Tru64System : public System
                 const std::string &console_path,
                 const std::string &palcode,
                 const std::string &boot_osflags,
-                                const bool _bin);
+                const bool _bin,
+                const std::vector<string> &binned_fns);
     ~Tru64System();
 
     int registerExecContext(ExecContext *xc);
@@ -182,10 +105,16 @@ class Tru64System : public System
     static void Printf(AlphaArguments args);
     static void DumpMbuf(AlphaArguments args);
 
-#ifdef FS_MEASURE
+
+    // Lisa's binning stuff
+  private:
+    std::multimap<const std::string, std::string> callerMap;
+    void populateMap(std::string caller, std::string callee);
+
+  public:
     bool findCaller(std::string callee, std::string caller) const;
     void dumpState(ExecContext *xc) const;
-#endif //FS_MEASURE
+    //
 };
 
 #endif // __TRU64_SYSTEM_HH__
diff --git a/sim/eventq.hh b/sim/eventq.hh
index 31bf9d652..ed37fd4f4 100644
--- a/sim/eventq.hh
+++ b/sim/eventq.hh
@@ -236,6 +236,23 @@ DelayFunction(Tick when, T *object)
     new DelayEvent(when, object);
 }
 
+template <class T, void (T::* F)()>
+class EventWrapper : public Event
+{
+  private:
+    T *object;
+
+  public:
+    EventWrapper(T *obj, bool del = false, EventQueue *q = &mainEventQueue,
+                 Priority p = Default_Pri)
+        : Event(q, p), object(obj)
+    {
+        if (del)
+            setFlags(AutoDelete);
+    }
+    void process() { (object->*F)(); }
+};
+
 /*
  * Queue of events sorted in time order
  */
@@ -310,6 +327,8 @@ inline void
 Event::schedule(Tick t)
 {
     assert(!scheduled());
+    assert(t >= curTick);
+
     setFlags(Scheduled);
 #if TRACING_ON
     when_scheduled = curTick;
diff --git a/sim/sim_events.cc b/sim/sim_events.cc
index a31da18dd..f7b07359c 100644
--- a/sim/sim_events.cc
+++ b/sim/sim_events.cc
@@ -28,11 +28,13 @@
 
 #include <string>
 
-#include "sim/param.hh"
-#include "sim/eventq.hh"
+#include "base/callback.hh"
 #include "base/hostinfo.hh"
+#include "sim/eventq.hh"
+#include "sim/param.hh"
 #include "sim/sim_events.hh"
 #include "sim/sim_exit.hh"
+#include "sim/sim_init.hh"
 #include "sim/sim_stats.hh"
 
 using namespace std;
@@ -178,7 +180,7 @@ class ProgressEvent : public Event
 ProgressEvent::ProgressEvent(EventQueue *q, Tick _interval)
     : Event(q), interval(_interval)
 {
-    schedule(interval);
+    schedule(curTick + interval);
 }
 
 //
@@ -221,10 +223,24 @@ ProgressParamContext progessMessageParams("progress");
 Param<Tick> progress_interval(&progessMessageParams, "cycle",
                                 "cycle interval for progress messages");
 
+namespace {
+    struct SetupProgress : public Callback
+    {
+        Tick interval;
+        SetupProgress(Tick tick) : interval(tick) {}
+
+        virtual void process()
+        {
+            new ProgressEvent(&mainEventQueue, interval);
+            delete this;
+        }
+    };
+}
+
 /* check execute options */
 void
 ProgressParamContext::checkParams()
 {
     if (progress_interval.isValid())
-        new ProgressEvent(&mainEventQueue, progress_interval);
+        registerInitCallback(new SetupProgress(progress_interval));
 }
diff --git a/sim/sim_object.cc b/sim/sim_object.cc
index b3ac2c7a4..c55021e41 100644
--- a/sim/sim_object.cc
+++ b/sim/sim_object.cc
@@ -182,11 +182,11 @@ SimObject::printAllExtraOutput(ostream &os)
 void
 SimObject::serializeAll(ostream &os)
 {
-    SimObjectList::iterator i = simObjectList.begin();
-    SimObjectList::iterator end = simObjectList.end();
+    SimObjectList::reverse_iterator ri = simObjectList.rbegin();
+    SimObjectList::reverse_iterator rend = simObjectList.rend();
 
-    for (; i != end; ++i) {
-        SimObject *obj = *i;
+    for (; ri != rend; ++ri) {
+        SimObject *obj = *ri;
         obj->nameOut(os);
         obj->serialize(os);
    }
diff --git a/sim/system.cc b/sim/system.cc
index db93250ee..43f43baec 100644
--- a/sim/system.cc
+++ b/sim/system.cc
@@ -50,13 +50,12 @@ System::System(const std::string _name,
 {
     // add self to global system list
     systemList.push_back(this);
-#ifdef FS_MEASURE
     if (bin == true) {
-        nonPath = new Statistics::MainBin("non TCPIP path stats");
-        nonPath->activate();
+        Kernel = new Statistics::MainBin("non TCPIP Kernel stats");
+        Kernel->activate();
+        User = new Statistics::MainBin("User stats");
     } else
-        nonPath = NULL;
-#endif
+        Kernel = NULL;
 }
 
 
@@ -104,14 +103,13 @@ printSystems()
     System::printSystems();
 }
 
-#ifdef FS_MEASURE
 Statistics::MainBin *
 System::getBin(const std::string &name)
 {
     std::map<const std::string, Statistics::MainBin *>::const_iterator i;
     i = fnBins.find(name);
     if (i == fnBins.end())
-        panic("trying to getBin that is not on system map!");
+        panic("trying to getBin %s that is not on system map!", name);
     return (*i).second;
 }
 
@@ -127,7 +125,73 @@ System::findContext(Addr pcb)
   } else
       return NULL;
 }
-#endif //FS_MEASURE
+
+void
+System::serialize(std::ostream &os)
+{
+    if (bin == true) {
+        map<const Addr, SWContext *>::const_iterator iter, end;
+        iter = swCtxMap.begin();
+        end = swCtxMap.end();
+
+        int numCtxs = swCtxMap.size();
+        SERIALIZE_SCALAR(numCtxs);
+        SWContext *ctx;
+        for (int i = 0; iter != end; ++i, ++iter) {
+            paramOut(os, csprintf("Addr[%d]",i), (*iter).first);
+            ctx = (*iter).second;
+            paramOut(os, csprintf("calls[%d]",i), ctx->calls);
+
+            stack<fnCall *> *stack = &(ctx->callStack);
+            fnCall *top;
+            int size = stack->size();
+            paramOut(os, csprintf("stacksize[%d]",i), size);
+            for (int j=0; j<size; ++j) {
+                top = stack->top();
+                paramOut(os, csprintf("ctx[%d].stackpos[%d]",i,j),
+                         top->name);
+                delete top;
+                stack->pop();
+            }
+        }
+    }
+}
+
+void
+System::unserialize(Checkpoint *cp, const std::string &section)
+{
+    if (bin == true) {
+        int numCtxs;
+        UNSERIALIZE_SCALAR(numCtxs);
+
+        SWContext *ctx;
+        Addr addr;
+        int size;
+        for(int i = 0; i < numCtxs; ++i) {
+            ctx = new SWContext;
+            paramIn(cp, section, csprintf("Addr[%d]",i), addr);
+            paramIn(cp, section, csprintf("calls[%d]",i), ctx->calls);
+
+            paramIn(cp, section, csprintf("stacksize[%d]",i), size);
+
+            vector<fnCall *> calls;
+            fnCall *call;
+            for (int j = 0; j < size; ++j) {
+                call = new fnCall;
+                paramIn(cp, section, csprintf("ctx[%d].stackpos[%d]",i,j),
+                        call->name);
+                call->myBin = getBin(call->name);
+                calls.push_back(call);
+            }
+
+            for (int j=size-1; j>=0; --j) {
+                ctx->callStack.push(calls[j]);
+            }
+
+            addContext(addr, ctx);
+        }
+    }
+}
 
 DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
 
diff --git a/sim/system.hh b/sim/system.hh
index e5d990e86..7b011aa8f 100644
--- a/sim/system.hh
+++ b/sim/system.hh
@@ -32,14 +32,11 @@
 #include <string>
 #include <vector>
 
-#include "sim/sim_object.hh"
-#include "cpu/pc_event.hh"
 #include "base/loader/symtab.hh"
-
-#ifdef FS_MEASURE
 #include "base/statistics.hh"
+#include "cpu/pc_event.hh"
+#include "sim/sim_object.hh"
 #include "sim/sw_context.hh"
-#endif
 
 class MemoryController;
 class PhysicalMemory;
@@ -51,11 +48,33 @@ class ExecContext;
 
 class System : public SimObject
 {
-#ifdef FS_MEASURE
+    // lisa's binning stuff
   protected:
     std::map<const std::string, Statistics::MainBin *> fnBins;
     std::map<const Addr, SWContext *> swCtxMap;
-#endif //FS_MEASURE
+
+  public:
+    Statistics::Scalar<Counter> fnCalls;
+    Statistics::MainBin *Kernel;
+    Statistics::MainBin *User;
+
+    Statistics::MainBin * getBin(const std::string &name);
+    virtual bool findCaller(std::string, std::string) const = 0;
+
+    SWContext *findContext(Addr pcb);
+    bool addContext(Addr pcb, SWContext *ctx) {
+        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
+    }
+    void remContext(Addr pcb) {
+        swCtxMap.erase(pcb);
+        return;
+    }
+
+    virtual void dumpState(ExecContext *xc) const = 0;
+
+    virtual void serialize(std::ostream &os);
+    virtual void unserialize(Checkpoint *cp, const std::string &section);
+    //
 
   public:
     const uint64_t init_param;
@@ -71,11 +90,6 @@ class System : public SimObject
     virtual int registerExecContext(ExecContext *xc);
     virtual void replaceExecContext(int xcIndex, ExecContext *xc);
 
-#ifdef FS_MEASURE
-    Statistics::Scalar<Counter, Statistics::MainBin> fnCalls;
-    Statistics::MainBin *nonPath;
-#endif //FS_MEASURE
-
   public:
     System(const std::string _name, const uint64_t _init_param,
            MemoryController *, PhysicalMemory *, const bool);
@@ -86,22 +100,6 @@ class System : public SimObject
     virtual Addr getKernelEntry() const = 0;
     virtual bool breakpoint() = 0;
 
-#ifdef FS_MEASURE
-    Statistics::MainBin * getBin(const std::string &name);
-    virtual bool findCaller(std::string, std::string) const = 0;
-
-    SWContext *findContext(Addr pcb);
-    bool addContext(Addr pcb, SWContext *ctx) {
-        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
-    }
-    void remContext(Addr pcb) {
-        swCtxMap.erase(pcb);
-        return;
-    }
-
-    virtual void dumpState(ExecContext *xc) const = 0;
-#endif //FS_MEASURE
-
   public:
     ////////////////////////////////////////////
     //
diff --git a/sim/universe.cc b/sim/universe.cc
index feede514e..d6c849ac7 100644
--- a/sim/universe.cc
+++ b/sim/universe.cc
@@ -47,6 +47,7 @@ Tick ticksPerSecond;
 double __ticksPerMS;
 double __ticksPerUS;
 double __ticksPerNS;
+double __ticksPerPS;
 
 string outputDirectory;
 ostream *outputStream;
@@ -79,6 +80,7 @@ UniverseParamContext::checkParams()
     __ticksPerMS = freq / 1.0e3;
     __ticksPerUS = freq / 1.0e6;
     __ticksPerNS = freq / 1.0e9;
+    __ticksPerPS = freq / 1.0e12;
 
     if (universe_output_dir.isValid()) {
         outputDirectory = universe_output_dir;
diff --git a/util/tracediff b/util/tracediff
index fac4f0ec0..0aa579a7d 100755
--- a/util/tracediff
+++ b/util/tracediff
@@ -1,5 +1,5 @@
 #! /usr/bin/env perl
-# Copyright (c) 2003 The Regents of The University of Michigan
+# Copyright (c) 2003-2004 The Regents of The University of Michigan
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -39,7 +39,7 @@ $sim2 = shift;
 
 # Everything else on the command line is taken to be an m5 argument to
 # be given to both invocations
-$simargs = join(' ', @ARGV);
+$simargs = '"' . join('" "', @ARGV) . '"';
 
 $cmd1 = "$sim1 $simargs --stats:file=tracediff-$$-1.stats 2>&1 |";
 $cmd2 = "$sim2 $simargs --stats:file=tracediff-$$-2.stats 2>&1 |";