Merge

cpu/pc_event.cc:
    SCCS merged

--HG--
extra : convert_revision : f7046f2bf6053be9b00150390fabe3d4f82b0981

21 files changed, 1075 insertions, 369 deletions

diff --git a/arch/alpha/arguments.cc b/arch/alpha/arguments.cc
index 38f7a400c..2dca3f51e 100644
--- a/arch/alpha/arguments.cc
+++ b/arch/alpha/arguments.cc
@@ -26,9 +26,9 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "targetarch/arguments.hh"
 #include "cpu/exec_context.hh"
 #include "mem/functional_mem/physical_memory.hh"
+#include "targetarch/arguments.hh"
 #include "targetarch/vtophys.hh"
 
 AlphaArguments::Data::~Data()
diff --git a/arch/alpha/arguments.hh b/arch/alpha/arguments.hh
index 9ac744e17..78e66b3fd 100644
--- a/arch/alpha/arguments.hh
+++ b/arch/alpha/arguments.hh
@@ -31,9 +31,8 @@
 
 #include <assert.h>
 
-#include "sim/host.hh"
-#include "kern/tru64/kernel.hh"
 #include "base/refcnt.hh"
+#include "sim/host.hh"
 #include "targetarch/vtophys.hh"
 
 class ExecContext;
diff --git a/arch/alpha/ev5.cc b/arch/alpha/ev5.cc
index 476a84d26..e4a9a09e3 100644
--- a/arch/alpha/ev5.cc
+++ b/arch/alpha/ev5.cc
@@ -560,7 +560,7 @@ ExecContext::simPalCheck(int palFunc)
 
       case PAL::bpt:
       case PAL::bugchk:
-        if (system->remoteGDB->trap(ALPHA_KENTRY_IF))
+        if (system->breakpoint())
             return false;
         break;
     }
diff --git a/arch/alpha/vtophys.hh b/arch/alpha/vtophys.hh
index 75a589259..47ee538a6 100644
--- a/arch/alpha/vtophys.hh
+++ b/arch/alpha/vtophys.hh
@@ -29,6 +29,7 @@
 #ifndef __VTOPHYS_H__
 #define __VTOPHYS_H__
 
+#include "targetarch/isa_traits.hh"
 #include "targetarch/pmap.h"
 
 inline bool entry_valid(uint64_t entry)
diff --git a/base/remote_gdb.hh b/base/remote_gdb.hh
index ba827c382..d8e09909a 100644
--- a/base/remote_gdb.hh
+++ b/base/remote_gdb.hh
@@ -29,6 +29,8 @@
 #ifndef __REMOTE_GDB_HH__
 #define __REMOTE_GDB_HH__
 
+#include <map>
+
 #include "base/kgdb.h"
 #include "cpu/pc_event.hh"
 #include "base/pollevent.hh"
diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index 5c1db6297..6964b35b8 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -245,8 +245,8 @@ class ExecContext
         // stores (WH64?)
         // Unsuccesful Store Conditionals would have returned above,
         // and wouldn't fall through
-        for(int i = 0; i < system->num_cpus; i++){
-            cregs = &system->xc_array[i]->regs.miscRegs;
+        for(int i = 0; i < system->xcvec.size(); i++){
+            cregs = &system->xcvec[i]->regs.miscRegs;
             if((cregs->lock_addr & ~0xf) == (req->paddr & ~0xf)) {
                 cregs->lock_flag = false;
             }
diff --git a/cpu/pc_event.cc b/cpu/pc_event.cc
index 4a037663c..4ee93e864 100644
--- a/cpu/pc_event.cc
+++ b/cpu/pc_event.cc
@@ -37,16 +37,6 @@
 #include "base/trace.hh"
 #include "sim/universe.hh"
 
-#ifdef FULL_SYSTEM
-#include "targetarch/arguments.hh"
-#include "targetarch/pmap.h"
-#include "kern/tru64/kernel.hh"
-#include "mem/functional_mem/memory_control.hh"
-#include "sim/system.hh"
-#include "cpu/base_cpu.hh"
-#include "cpu/full_cpu/bpred.hh"
-#endif
-
 using namespace std;
 
 PCEventQueue::PCEventQueue()
@@ -85,7 +75,7 @@ PCEventQueue::schedule(PCEvent *event)
 }
 
 bool
-PCEventQueue::service(ExecContext *xc)
+PCEventQueue::doService(ExecContext *xc)
 {
     Addr pc = xc->regs.pc;
     int serviced = 0;
@@ -125,77 +115,6 @@ PCEventQueue::equal_range(Addr pc)
     return std::equal_range(pc_map.begin(), pc_map.end(), pc, MapCompare());
 }
 
-#ifdef FULL_SYSTEM
-void
-SkipFuncEvent::process(ExecContext *xc)
-{
-    Addr newpc = xc->regs.intRegFile[ReturnAddressReg];
-
-    DPRINTF(PCEvent, "skipping %s: pc=%x, newpc=%x\n", description,
-            xc->regs.pc, newpc);
-
-    xc->regs.pc = newpc;
-    xc->regs.npc = xc->regs.pc + sizeof(MachInst);
-
-    BranchPred *bp = xc->cpu->getBranchPred();
-    if (bp != NULL) {
-        bp->popRAS(xc->thread_num);
-    }
-}
-
-void
-BadAddrEvent::process(ExecContext *xc)
-{
-    // The following gross hack is the equivalent function to the
-    // annotation for vmunix::badaddr in:
-    // simos/simulation/apps/tcl/osf/tlaser.tcl
-
-    uint64_t a0 = xc->regs.intRegFile[ArgumentReg0];
-
-    if (a0 < ALPHA_K0SEG_BASE || a0 >= ALPHA_K1SEG_BASE ||
-        xc->memCtrl->badaddr(ALPHA_K0SEG_TO_PHYS(a0) & PA_IMPL_MASK)) {
-
-        DPRINTF(BADADDR, "badaddr arg=%#x bad\n", a0);
-        xc->regs.intRegFile[ReturnValueReg] = 0x1;
-        SkipFuncEvent::process(xc);
-    }
-    else
-        DPRINTF(BADADDR, "badaddr arg=%#x good\n", a0);
-}
-
-void
-PrintfEvent::process(ExecContext *xc)
-{
-    if (DTRACE(Printf)) {
-        DebugOut() << curTick << ": " << xc->cpu->name() << ": ";
-
-        AlphaArguments args(xc);
-        Kernel::Printf(args);
-    }
-}
-
-void
-DebugPrintfEvent::process(ExecContext *xc)
-{
-    if (DTRACE(DebugPrintf)) {
-        if (!raw)
-            DebugOut() << curTick << ": " << xc->cpu->name() << ": ";
-
-        AlphaArguments args(xc);
-        Kernel::Printf(args);
-    }
-}
-
-void
-DumpMbufEvent::process(ExecContext *xc)
-{
-    if (DTRACE(DebugPrintf)) {
-        AlphaArguments args(xc);
-        Kernel::DumpMbuf(args);
-    }
-}
-#endif
-
 BreakPCEvent::BreakPCEvent(PCEventQueue *q, const std::string &desc, bool del)
     : PCEvent(q, desc), remove(del)
 {
diff --git a/cpu/pc_event.hh b/cpu/pc_event.hh
index 08c6fa59a..645138fdd 100644
--- a/cpu/pc_event.hh
+++ b/cpu/pc_event.hh
@@ -98,13 +98,21 @@ class PCEventQueue
   protected:
     map_t pc_map;
 
+    bool doService(ExecContext *xc);
+
   public:
     PCEventQueue();
     ~PCEventQueue();
 
     bool remove(PCEvent *event);
     bool schedule(PCEvent *event);
-    bool service(ExecContext *xc);
+    bool service(ExecContext *xc)
+    {
+        if (pc_map.empty())
+            return false;
+
+        return doService(xc);
+    }
 
     range_t equal_range(Addr pc);
     range_t equal_range(PCEvent *event) { return equal_range(event->pc()); }
@@ -155,52 +163,6 @@ PCEvent::schedule(PCEventQueue *q, Addr pc)
     return schedule();
 }
 
-
-#ifdef FULL_SYSTEM
-class SkipFuncEvent : public PCEvent
-{
-  public:
-    SkipFuncEvent(PCEventQueue *q, const std::string &desc)
-        : PCEvent(q, desc) {}
-    virtual void process(ExecContext *xc);
-};
-
-class BadAddrEvent : public SkipFuncEvent
-{
-  public:
-    BadAddrEvent(PCEventQueue *q, const std::string &desc)
-        : SkipFuncEvent(q, desc) {}
-    virtual void process(ExecContext *xc);
-};
-
-class PrintfEvent : public PCEvent
-{
-  public:
-    PrintfEvent(PCEventQueue *q, const std::string &desc)
-        : PCEvent(q, desc) {}
-    virtual void process(ExecContext *xc);
-};
-
-class DebugPrintfEvent : public PCEvent
-{
-  private:
-    bool raw;
-
-  public:
-    DebugPrintfEvent(PCEventQueue *q, const std::string &desc, bool r = false)
-        : PCEvent(q, desc), raw(r) {}
-    virtual void process(ExecContext *xc);
-};
-
-class DumpMbufEvent : public PCEvent
-{
-  public:
-    DumpMbufEvent(PCEventQueue *q, const std::string &desc)
-        : PCEvent(q, desc) {}
-    virtual void process(ExecContext *xc);
-};
-#endif
-
 class BreakPCEvent : public PCEvent
 {
   protected:
@@ -211,5 +173,4 @@ class BreakPCEvent : public PCEvent
     virtual void process(ExecContext *xc);
 };
 
-
 #endif // __PC_EVENT_HH__
diff --git a/cpu/simple_cpu/simple_cpu.cc b/cpu/simple_cpu/simple_cpu.cc
index 2bbd74efa..8da4b1641 100644
--- a/cpu/simple_cpu/simple_cpu.cc
+++ b/cpu/simple_cpu/simple_cpu.cc
@@ -150,7 +150,7 @@ SimpleCPU::SimpleCPU(const string &_name, Process *_process,
        _status = Idle;
     }
     else {
-      system->initBootContext(xc);
+      system->init(xc);
 
       // Reset the system
       //
diff --git a/dev/alpha_console.cc b/dev/alpha_console.cc
index e2de5f7ac..526ef0b3c 100644
--- a/dev/alpha_console.cc
+++ b/dev/alpha_console.cc
@@ -153,7 +153,7 @@ AlphaConsole::write(MemReqPtr req, const uint8_t *data)
         int cpu = val;
         assert(cpu > 0 && "Must not access primary cpu");
 
-        ExecContext *other_xc = req->xc->system->xc_array[cpu];
+        ExecContext *other_xc = req->xc->system->xcvec[cpu];
         other_xc->regs.intRegFile[16] = cpu;
         other_xc->regs.ipr[TheISA::IPR_PALtemp16] = cpu;
         other_xc->regs.intRegFile[0] = cpu;
diff --git a/kern/tru64/dump_mbuf.cc b/kern/tru64/dump_mbuf.cc
new file mode 100644
index 000000000..b8ab7fa7c
--- /dev/null
+++ b/kern/tru64/dump_mbuf.cc
@@ -0,0 +1,72 @@
+/*
+ * 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 <sys/types.h>
+#include <algorithm>
+
+#include "base/cprintf.hh"
+#include "base/trace.hh"
+#include "kern/tru64/mbuf.hh"
+#include "sim/host.hh"
+#include "targetarch/arguments.hh"
+#include "targetarch/isa_traits.hh"
+#include "targetarch/vtophys.hh"
+
+namespace Tru64 {
+
+void
+DumpMbuf(AlphaArguments args)
+{
+    ExecContext *xc = args.getExecContext();
+    Addr addr = (Addr)args;
+    struct mbuf m;
+
+    CopyData(xc, &m, addr, sizeof(m));
+
+    int count = m.m_pkthdr.len;
+
+    ccprintf(DebugOut(), "m=%#lx, m->m_pkthdr.len=%#d\n", addr,
+             m.m_pkthdr.len);
+
+    while (count > 0) {
+        ccprintf(DebugOut(), "m=%#lx, m->m_data=%#lx, m->m_len=%d\n",
+                 addr, m.m_data, m.m_len);
+        char *buffer = new char[m.m_len];
+        CopyData(xc, buffer, m.m_data, m.m_len);
+        Trace::rawDump((uint8_t *)buffer, m.m_len);
+        delete [] buffer;
+
+        count -= m.m_len;
+        if (!m.m_next)
+            break;
+
+        CopyData(xc, &m, m.m_next, sizeof(m));
+    }
+}
+
+} // namespace Tru64
diff --git a/kern/tru64/dump_mbuf.hh b/kern/tru64/dump_mbuf.hh
new file mode 100644
index 000000000..6052fa56a
--- /dev/null
+++ b/kern/tru64/dump_mbuf.hh
@@ -0,0 +1,38 @@
+/*
+ * 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 __DUMP_MBUF_HH__
+#define __DUMP_MBUF_HH__
+
+class AlphaArguments;
+
+namespace Tru64 {
+    void DumpMbuf(AlphaArguments args);
+}
+
+#endif // __DUMP_MBUF_HH__
diff --git a/kern/tru64/mbuf.hh b/kern/tru64/mbuf.hh
new file mode 100644
index 000000000..bfee0b3fa
--- /dev/null
+++ b/kern/tru64/mbuf.hh
@@ -0,0 +1,94 @@
+/*
+ * 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 __MBUF_HH__
+#define __MBUF_HH__
+
+#include "sim/host.hh"
+#include "targetarch/isa_traits.hh"
+
+struct m_hdr {
+    Addr	mh_next;	// 0x00
+    Addr	mh_nextpkt;	// 0x08
+    Addr	mh_data;	// 0x10
+    int32_t	mh_len;		// 0x18
+    int32_t	mh_type;	// 0x1C
+    int32_t	mh_flags;	// 0x20
+    int32_t	mh_pad0;	// 0x24
+    Addr	mh_foo[4];	// 0x28, 0x30, 0x38, 0x40
+};
+
+struct	pkthdr {
+    int32_t	len;
+    int32_t	protocolSum;
+    Addr	rcvif;
+};
+
+struct m_ext {
+    Addr	ext_buf;	// 0x00
+    Addr	ext_free;	// 0x08
+    uint32_t	ext_size;	// 0x10
+    uint32_t	ext_pad0;	// 0x14
+    Addr	ext_arg;	// 0x18
+    struct	ext_refq {
+        Addr	forw, back;	// 0x20, 0x28
+    } ext_ref;
+    Addr	uiomove_f;	// 0x30
+    int32_t	protocolSum;	// 0x38
+    int32_t	bytesSummed;	// 0x3C
+    Addr	checksum;	// 0x40
+};
+
+struct mbuf {
+    struct	m_hdr m_hdr;
+    union {
+        struct {
+            struct	pkthdr MH_pkthdr;
+            union {
+                struct	m_ext MH_ext;
+                char	MH_databuf[1];
+            } MH_dat;
+        } MH;
+        char	M_databuf[1];
+    } M_dat;
+};
+
+#define m_attr          m_hdr.mh_attr
+#define	m_next		m_hdr.mh_next
+#define	m_len		m_hdr.mh_len
+#define	m_data		m_hdr.mh_data
+#define	m_type		m_hdr.mh_type
+#define	m_flags		m_hdr.mh_flags
+#define	m_nextpkt	m_hdr.mh_nextpkt
+#define	m_act		m_nextpkt
+#define	m_pkthdr	M_dat.MH.MH_pkthdr
+#define	m_ext		M_dat.MH.MH_dat.MH_ext
+#define	m_pktdat	M_dat.MH.MH_dat.MH_databuf
+#define	m_dat		M_dat.M_databuf
+
+#endif // __MBUF_HH__
diff --git a/kern/tru64/printf.cc b/kern/tru64/printf.cc
new file mode 100644
index 000000000..65e78d0fa
--- /dev/null
+++ b/kern/tru64/printf.cc
@@ -0,0 +1,266 @@
+/*
+ * 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 <sys/types.h>
+#include <algorithm>
+
+#include "base/cprintf.hh"
+#include "base/trace.hh"
+#include "sim/host.hh"
+#include "targetarch/arguments.hh"
+#include "targetarch/vtophys.hh"
+
+using namespace std;
+
+namespace Tru64 {
+
+void
+Printf(AlphaArguments args)
+{
+    char *p = (char *)args++;
+
+    ios::fmtflags saved_flags = DebugOut().flags();
+    char old_fill = DebugOut().fill();
+    int old_precision = DebugOut().precision();
+
+    while (*p) {
+        switch (*p) {
+          case '%': {
+              bool more = true;
+              bool islong = false;
+              bool leftjustify = false;
+              bool format = false;
+              bool zero = false;
+              int width = 0;
+              while (more && *++p) {
+                  switch (*p) {
+                    case 'l':
+                    case 'L':
+                      islong = true;
+                      break;
+                    case '-':
+                      leftjustify = true;
+                      break;
+                    case '#':
+                      format = true;
+                      break;
+                    case '0':
+                      if (width)
+                          width *= 10;
+                      else
+                          zero = true;
+                      break;
+                    default:
+                      if (*p >= '1' && *p <= '9')
+                          width = 10 * width + *p - '0';
+                      else
+                          more = false;
+                      break;
+                  }
+              }
+
+              bool hexnum = false;
+              bool octal = false;
+              bool sign = false;
+              switch (*p) {
+                case 'X':
+                case 'x':
+                  hexnum = true;
+                  break;
+                case 'O':
+                case 'o':
+                  octal = true;
+                  break;
+                case 'D':
+                case 'd':
+                  sign = true;
+                  break;
+                case 'P':
+                  format = true;
+                case 'p':
+                  hexnum = true;
+                  break;
+              }
+
+              switch (*p) {
+                case 'D':
+                case 'd':
+                case 'U':
+                case 'u':
+                case 'X':
+                case 'x':
+                case 'O':
+                case 'o':
+                case 'P':
+                case 'p': {
+                  if (hexnum)
+                      DebugOut() << hex;
+
+                  if (octal)
+                      DebugOut() << oct;
+
+                  if (format) {
+                      if (!zero)
+                          DebugOut().setf(ios::showbase);
+                      else {
+                          if (hexnum) {
+                              DebugOut() << "0x";
+                              width -= 2;
+                          } else if (octal) {
+                              DebugOut() << "0";
+                              width -= 1;
+                          }
+                      }
+                  }
+
+                  if (zero)
+                      DebugOut().fill('0');
+
+                  if (width > 0)
+                      DebugOut().width(width);
+
+                  if (leftjustify && !zero)
+                      DebugOut().setf(ios::left);
+
+                  if (sign) {
+                      if (islong)
+                          DebugOut() << (int64_t)args;
+                      else
+                          DebugOut() << (int32_t)args;
+                  } else {
+                      if (islong)
+                          DebugOut() << (uint64_t)args;
+                      else
+                          DebugOut() << (uint32_t)args;
+                  }
+
+                  if (zero)
+                      DebugOut().fill(' ');
+
+                  if (width > 0)
+                      DebugOut().width(0);
+
+                  DebugOut() << dec;
+
+                  ++args;
+                }
+                  break;
+
+                case 's': {
+                    char *s = (char *)args;
+                    if (!s)
+                        s = "<NULL>";
+
+                    if (width > 0)
+                        DebugOut().width(width);
+                    if (leftjustify)
+                        DebugOut().setf(ios::left);
+
+                    DebugOut() << s;
+                    ++args;
+                }
+                  break;
+                case 'C':
+                case 'c': {
+                    uint64_t mask = (*p == 'C') ? 0xffL : 0x7fL;
+                    uint64_t num;
+                    int width;
+
+                    if (islong) {
+                        num = (uint64_t)args;
+                        width = sizeof(uint64_t);
+                    } else {
+                        num = (uint32_t)args;
+                        width = sizeof(uint32_t);
+                    }
+
+                    while (width-- > 0) {
+                        char c = (char)(num & mask);
+                        if (c)
+                            DebugOut() << c;
+                        num >>= 8;
+                    }
+
+                    ++args;
+                }
+                  break;
+                case 'b': {
+                  uint64_t n = (uint64_t)args++;
+                  char *s = (char *)args++;
+                  DebugOut() << s << ": " << n;
+                }
+                  break;
+                case 'n':
+                case 'N': {
+                    args += 2;
+#if 0
+                    uint64_t n = (uint64_t)args++;
+                    struct reg_values *rv = (struct reg_values *)args++;
+#endif
+                }
+                  break;
+                case 'r':
+                case 'R': {
+                    args += 2;
+#if 0
+                    uint64_t n = (uint64_t)args++;
+                    struct reg_desc *rd = (struct reg_desc *)args++;
+#endif
+                }
+                  break;
+                case '%':
+                  DebugOut() << '%';
+                  break;
+              }
+              ++p;
+          }
+            break;
+          case '\n':
+            DebugOut() << endl;
+            ++p;
+            break;
+          case '\r':
+            ++p;
+            if (*p != '\n')
+                DebugOut() << endl;
+            break;
+
+          default: {
+              size_t len = strcspn(p, "%\n\r\0");
+              DebugOut().write(p, len);
+              p += len;
+          }
+        }
+    }
+
+    DebugOut().flags(saved_flags);
+    DebugOut().fill(old_fill);
+    DebugOut().precision(old_precision);
+}
+
+} // namespace Tru64
diff --git a/kern/tru64/printf.hh b/kern/tru64/printf.hh
new file mode 100644
index 000000000..16129802c
--- /dev/null
+++ b/kern/tru64/printf.hh
@@ -0,0 +1,38 @@
+/*
+ * 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 __PRINTF_HH__
+#define __PRINTF_HH__
+
+class AlphaArguments;
+
+namespace Tru64 {
+    void Printf(AlphaArguments args);
+}
+
+#endif // __PRINTF_HH__
diff --git a/kern/tru64/tru64_events.cc b/kern/tru64/tru64_events.cc
new file mode 100644
index 000000000..ac25129e6
--- /dev/null
+++ b/kern/tru64/tru64_events.cc
@@ -0,0 +1,106 @@
+/*
+ * 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 "cpu/exec_context.hh"
+#include "cpu/full_cpu/bpred.hh"
+#include "cpu/full_cpu/cpu.hh"
+#include "kern/tru64/dump_mbuf.hh"
+#include "kern/tru64/printf.hh"
+#include "kern/tru64/tru64_events.hh"
+#include "mem/functional_mem/memory_control.hh"
+#include "targetarch/arguments.hh"
+
+void
+SkipFuncEvent::process(ExecContext *xc)
+{
+    Addr newpc = xc->regs.intRegFile[ReturnAddressReg];
+
+    DPRINTF(PCEvent, "skipping %s: pc=%x, newpc=%x\n", description,
+            xc->regs.pc, newpc);
+
+    xc->regs.pc = newpc;
+    xc->regs.npc = xc->regs.pc + sizeof(MachInst);
+
+    BranchPred *bp = xc->cpu->getBranchPred();
+    if (bp != NULL) {
+        bp->popRAS(xc->thread_num);
+    }
+}
+
+void
+BadAddrEvent::process(ExecContext *xc)
+{
+    // The following gross hack is the equivalent function to the
+    // annotation for vmunix::badaddr in:
+    // simos/simulation/apps/tcl/osf/tlaser.tcl
+
+    uint64_t a0 = xc->regs.intRegFile[ArgumentReg0];
+
+    if (a0 < ALPHA_K0SEG_BASE || a0 >= ALPHA_K1SEG_BASE ||
+        xc->memCtrl->badaddr(ALPHA_K0SEG_TO_PHYS(a0) & PA_IMPL_MASK)) {
+
+        DPRINTF(BADADDR, "badaddr arg=%#x bad\n", a0);
+        xc->regs.intRegFile[ReturnValueReg] = 0x1;
+        SkipFuncEvent::process(xc);
+    }
+    else
+        DPRINTF(BADADDR, "badaddr arg=%#x good\n", a0);
+}
+
+void
+PrintfEvent::process(ExecContext *xc)
+{
+    if (DTRACE(Printf)) {
+        DebugOut() << curTick << ": " << xc->cpu->name() << ": ";
+
+        AlphaArguments args(xc);
+        Tru64::Printf(args);
+    }
+}
+
+void
+DebugPrintfEvent::process(ExecContext *xc)
+{
+    if (DTRACE(DebugPrintf)) {
+        if (!raw)
+            DebugOut() << curTick << ": " << xc->cpu->name() << ": ";
+
+        AlphaArguments args(xc);
+        Tru64::Printf(args);
+    }
+}
+
+void
+DumpMbufEvent::process(ExecContext *xc)
+{
+    if (DTRACE(DebugPrintf)) {
+        AlphaArguments args(xc);
+        Tru64::DumpMbuf(args);
+    }
+}
+
diff --git a/kern/tru64/tru64_events.hh b/kern/tru64/tru64_events.hh
new file mode 100644
index 000000000..d41f82f5b
--- /dev/null
+++ b/kern/tru64/tru64_events.hh
@@ -0,0 +1,81 @@
+/*
+ * 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 __TRU64_EVENTS_HH__
+#define __TRU64_EVENTS_HH__
+
+#include <string>
+
+#include "cpu/pc_event.hh"
+
+class ExecContext;
+
+class SkipFuncEvent : public PCEvent
+{
+  public:
+    SkipFuncEvent(PCEventQueue *q, const std::string &desc)
+        : PCEvent(q, desc) {}
+    virtual void process(ExecContext *xc);
+};
+
+class BadAddrEvent : public SkipFuncEvent
+{
+  public:
+    BadAddrEvent(PCEventQueue *q, const std::string &desc)
+        : SkipFuncEvent(q, desc) {}
+    virtual void process(ExecContext *xc);
+};
+
+class PrintfEvent : public PCEvent
+{
+  public:
+    PrintfEvent(PCEventQueue *q, const std::string &desc)
+        : PCEvent(q, desc) {}
+    virtual void process(ExecContext *xc);
+};
+
+class DebugPrintfEvent : public PCEvent
+{
+  private:
+    bool raw;
+
+  public:
+    DebugPrintfEvent(PCEventQueue *q, const std::string &desc, bool r = false)
+        : PCEvent(q, desc), raw(r) {}
+    virtual void process(ExecContext *xc);
+};
+
+class DumpMbufEvent : public PCEvent
+{
+  public:
+    DumpMbufEvent(PCEventQueue *q, const std::string &desc)
+        : PCEvent(q, desc) {}
+    virtual void process(ExecContext *xc);
+};
+
+#endif // __TRU64_EVENTS_HH__
diff --git a/kern/tru64/tru64_system.cc b/kern/tru64/tru64_system.cc
new file mode 100644
index 000000000..02b6c4fae
--- /dev/null
+++ b/kern/tru64/tru64_system.cc
@@ -0,0 +1,239 @@
+/*
+ * 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 "base/remote_gdb.hh"
+#include "base/trace.hh"
+#include "base/loader/aout_object.hh"
+#include "base/loader/ecoff_object.hh"
+#include "base/loader/object_file.hh"
+#include "base/loader/symtab.hh"
+#include "cpu/exec_context.hh"
+#include "kern/tru64/tru64_events.hh"
+#include "kern/tru64/tru64_system.hh"
+#include "mem/functional_mem/memory_control.hh"
+#include "mem/functional_mem/physical_memory.hh"
+#include "targetarch/isa_traits.hh"
+#include "targetarch/vtophys.hh"
+
+using namespace std;
+
+Tru64System::Tru64System(const string _name, MemoryController *_memCtrl,
+                         PhysicalMemory *_physmem, const string &kernel_path,
+                         const string &console_path, const string &palcode,
+                         const string &boot_osflags)
+     : System(_name, _memCtrl, _physmem)
+{
+    kernelSymtab = new SymbolTable;
+    consoleSymtab = new SymbolTable;
+
+    ObjectFile *kernel = createObjectFile(kernel_path);
+    if (kernel == NULL)
+        fatal("Could not load kernel file %s", kernel_path);
+
+    ObjectFile *console = createObjectFile(console_path);
+    if (console == NULL)
+        fatal("Could not load console file %s", console_path);
+
+    if (!kernel->loadGlobalSymbols(kernelSymtab))
+        panic("could not load kernel symbols\n");
+
+    if (!console->loadGlobalSymbols(consoleSymtab))
+        panic("could not load console symbols\n");
+
+    // Load pal file
+    ObjectFile *pal = createObjectFile(palcode);
+    if (pal == NULL)
+        fatal("Could not load PALcode file %s", palcode);
+    pal->loadSections(physmem, true);
+
+    // copy of initial reg file contents
+    initRegs = new RegFile;
+    memset(initRegs, 0, sizeof(RegFile));
+
+    // Load console file
+    console->loadSections(physmem, true);
+
+    // Load kernel file
+    kernel->loadSections(physmem, true);
+    kernelStart = kernel->textBase();
+    kernelEnd = kernel->bssBase() + kernel->bssSize();
+    kernelEntry = kernel->entryPoint();
+
+    DPRINTF(Loader, "Kernel start = %#x\n"
+            "Kernel end   = %#x\n"
+            "Kernel entry = %#x\n",
+            kernelStart, kernelEnd, kernelEntry);
+
+    // Setup kernel boot parameters
+    initRegs->pc = 0x4001;
+    initRegs->npc = initRegs->pc + sizeof(MachInst);
+
+    DPRINTF(Loader, "Kernel loaded...\n");
+
+    kernelPanicEvent = new BreakPCEvent(&pcEventQueue, "kernel panic");
+    consolePanicEvent = new BreakPCEvent(&pcEventQueue, "console panic");
+    badaddrEvent = new BadAddrEvent(&pcEventQueue, "badaddr");
+    skipPowerStateEvent = new SkipFuncEvent(&pcEventQueue,
+                                            "tl_v48_capture_power_state");
+    skipScavengeBootEvent = new SkipFuncEvent(&pcEventQueue,
+                                              "pmap_scavenge_boot");
+    printfEvent = new PrintfEvent(&pcEventQueue, "printf");
+    debugPrintfEvent = new DebugPrintfEvent(&pcEventQueue,
+                                            "debug_printf", false);
+    debugPrintfrEvent = new DebugPrintfEvent(&pcEventQueue,
+                                             "debug_printfr", true);
+    dumpMbufEvent = new DumpMbufEvent(&pcEventQueue, "dump_mbuf");
+
+    Addr addr = 0;
+    if (kernelSymtab->findAddress("enable_async_printf", addr)) {
+        Addr paddr = vtophys(physmem, addr);
+        uint8_t *enable_async_printf =
+            physmem->dma_addr(paddr, sizeof(uint32_t));
+
+        if (enable_async_printf)
+            *(uint32_t *)enable_async_printf = 0;
+    }
+
+    if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
+        Addr paddr = vtophys(physmem, addr);
+        char *osflags = (char *)physmem->dma_addr(paddr, sizeof(uint32_t));
+
+        if (osflags)
+            strcpy(osflags, boot_osflags.c_str());
+    }
+
+    if (kernelSymtab->findAddress("panic", addr))
+        kernelPanicEvent->schedule(addr);
+    else
+        panic("could not find kernel symbol \'panic\'");
+
+    if (consoleSymtab->findAddress("panic", addr))
+        consolePanicEvent->schedule(addr);
+
+    if (kernelSymtab->findAddress("badaddr", addr))
+        badaddrEvent->schedule(addr);
+    else
+        panic("could not find kernel symbol \'badaddr\'");
+
+    if (kernelSymtab->findAddress("tl_v48_capture_power_state", addr))
+        skipPowerStateEvent->schedule(addr);
+
+    if (kernelSymtab->findAddress("pmap_scavenge_boot", addr))
+        skipScavengeBootEvent->schedule(addr);
+
+#if TRACING_ON
+    if (kernelSymtab->findAddress("printf", addr))
+        printfEvent->schedule(addr);
+
+    if (kernelSymtab->findAddress("m5printf", addr))
+        debugPrintfEvent->schedule(addr);
+
+    if (kernelSymtab->findAddress("m5printfr", addr))
+        debugPrintfrEvent->schedule(addr);
+
+    if (kernelSymtab->findAddress("m5_dump_mbuf", addr))
+        dumpMbufEvent->schedule(addr);
+#endif
+}
+
+Tru64System::~Tru64System()
+{
+    delete initRegs;
+
+    delete kernel;
+    delete console;
+
+    delete kernelSymtab;
+    delete consoleSymtab;
+
+    delete kernelPanicEvent;
+    delete consolePanicEvent;
+    delete badaddrEvent;
+    delete skipPowerStateEvent;
+    delete skipScavengeBootEvent;
+    delete printfEvent;
+    delete debugPrintfEvent;
+    delete debugPrintfrEvent;
+    delete dumpMbufEvent;
+
+}
+
+void
+Tru64System::init(ExecContext *xc)
+{
+    xc->regs = *initRegs;
+
+    remoteGDB = new RemoteGDB(this, xc);
+    gdbListen = new GDBListener(remoteGDB, 7000);
+    gdbListen->listen();
+
+    // Reset the system
+    //
+    TheISA::init(physmem, &xc->regs);
+}
+
+bool
+Tru64System::breakpoint()
+{
+    return remoteGDB->trap(ALPHA_KENTRY_IF);
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
+
+    SimObjectParam<MemoryController *> mem_ctl;
+    SimObjectParam<PhysicalMemory *> physmem;
+
+    Param<string> kernel_code;
+    Param<string> console_code;
+    Param<string> pal_code;
+    Param<string> boot_osflags;
+
+END_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(Tru64System)
+
+    INIT_PARAM(mem_ctl, "memory controller"),
+    INIT_PARAM(physmem, "phsyical memory"),
+    INIT_PARAM(kernel_code, "file that contains the kernel code"),
+    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")
+
+END_INIT_SIM_OBJECT_PARAMS(Tru64System)
+
+CREATE_SIM_OBJECT(Tru64System)
+{
+    Tru64System *sys = new Tru64System(getInstanceName(), mem_ctl, physmem,
+                                       kernel_code, console_code, pal_code,
+                                       boot_osflags);
+
+    return sys;
+}
+
+REGISTER_SIM_OBJECT("Tru64System", Tru64System)
diff --git a/kern/tru64/tru64_system.hh b/kern/tru64/tru64_system.hh
new file mode 100644
index 000000000..087ef038c
--- /dev/null
+++ b/kern/tru64/tru64_system.hh
@@ -0,0 +1,101 @@
+/*
+ * 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 __TRU64_SYSTEM_HH__
+#define __TRU64_SYSTEM_HH__
+
+#include "sim/system.hh"
+#include "targetarch/isa_traits.hh"
+
+class ExecContext;
+class EcoffObject;
+class SymbolTable;
+
+class BreakPCEvent;
+class BadAddrEvent;
+class SkipFuncEvent;
+class PrintfEvent;
+class DebugPrintfEvent;
+class DumpMbufEvent;
+
+class AlphaArguments;
+
+class Tru64System : public System
+{
+  private:
+    ExecContext *xc;
+
+    EcoffObject *kernel;
+    EcoffObject *console;
+
+    SymbolTable *kernelSymtab;
+    SymbolTable *consoleSymtab;
+
+    BreakPCEvent *kernelPanicEvent;
+    BreakPCEvent *consolePanicEvent;
+    BadAddrEvent *badaddrEvent;
+    SkipFuncEvent *skipPowerStateEvent;
+    SkipFuncEvent *skipScavengeBootEvent;
+    PrintfEvent *printfEvent;
+    DebugPrintfEvent *debugPrintfEvent;
+    DebugPrintfEvent *debugPrintfrEvent;
+    DumpMbufEvent *dumpMbufEvent;
+
+  private:
+    RegFile *initRegs;
+
+    Addr kernelStart;
+    Addr kernelEnd;
+    Addr kernelEntry;
+
+  public:
+    RemoteGDB *remoteGDB;
+    GDBListener *gdbListen;
+
+  public:
+    Tru64System(const std::string _name,
+                MemoryController *_memCtrl,
+                PhysicalMemory *_physmem,
+                const std::string &kernel_path,
+                const std::string &console_path,
+                const std::string &palcode,
+                const std::string &boot_osflags);
+    ~Tru64System();
+
+    void init(ExecContext *xc);
+
+    Addr getKernelStart() const { return kernelStart; }
+    Addr getKernelEnd() const { return kernelEnd; }
+    Addr getKernelEntry() const { return kernelEntry; }
+    bool breakpoint();
+
+    static void Printf(AlphaArguments args);
+    static void DumpMbuf(AlphaArguments args);
+};
+
+#endif // __TRU64_SYSTEM_HH__
diff --git a/sim/system.cc b/sim/system.cc
index 74216176a..fd80e23c3 100644
--- a/sim/system.cc
+++ b/sim/system.cc
@@ -27,14 +27,8 @@
  */
 
 #include "cpu/exec_context.hh"
-#include "base/loader/object_file.hh"
-#include "mem/functional_mem/memory_control.hh"
-#include "mem/functional_mem/physical_memory.hh"
-#include "base/loader/symtab.hh"
-#include "base/remote_gdb.hh"
 #include "targetarch/vtophys.hh"
 #include "sim/system.hh"
-#include "base/trace.hh"
 
 using namespace std;
 
@@ -44,170 +38,31 @@ int System::numSystemsRunning = 0;
 
 System::System(const std::string _name,
                MemoryController *_memCtrl,
-               PhysicalMemory *_physmem,
-               const std::string &kernel_path,
-               const std::string &console_path,
-               const std::string &palcode,
-               const std::string &boot_osflags)
+               PhysicalMemory *_physmem)
     : SimObject(_name),
-      kernel_panic_event(&pcEventQueue, "kernel panic"),
-      console_panic_event(&pcEventQueue, "console panic"),
-      badaddr_event(&pcEventQueue, "badaddr"),
-      skip_power_state(&pcEventQueue, "tl_v48_capture_power_state"),
-      skip_scavenge_boot(&pcEventQueue, "pmap_scavenge_boot"),
-      printf_event(&pcEventQueue, "printf"),
-      debug_printf_event(&pcEventQueue, "debug_printf", false),
-      debug_printfr_event(&pcEventQueue, "debug_printfr", true),
-      dump_mbuf_event(&pcEventQueue, "dump_mbuf"),
       memCtrl(_memCtrl),
-      physmem(_physmem),
-      remoteGDB(NULL),
-      gdbListen(NULL)
+      physmem(_physmem)
 {
-    kernelSymtab = new SymbolTable;
-    consoleSymtab = new SymbolTable;
-
-    ObjectFile *kernel = createObjectFile(kernel_path);
-    if (kernel == NULL)
-        fatal("Could not load kernel file %s", kernel_path);
-
-    ObjectFile *console = createObjectFile(console_path);
-    if (console == NULL)
-        fatal("Could not load console file %s", console_path);
-
-    if (!kernel->loadGlobalSymbols(kernelSymtab))
-        panic("could not load kernel symbols\n");
-
-    if (!console->loadGlobalSymbols(consoleSymtab))
-        panic("could not load console symbols\n");
-
-    // Load pal file
-    ObjectFile *pal = createObjectFile(palcode);
-    if (pal == NULL)
-        fatal("Could not load PALcode file %s", palcode);
-    pal->loadSections(physmem, true);
-
-    // copy of initial reg file contents
-    initRegs = new RegFile;
-    memset(initRegs, 0, sizeof(RegFile));
-
-    // Load console file
-    console->loadSections(physmem, true);
-
-    // Load kernel file
-    kernel->loadSections(physmem, true);
-    kernelStart = kernel->textBase();
-    kernelEnd = kernel->bssBase() + kernel->bssSize();
-    kernelEntry = kernel->entryPoint();
-
-    DPRINTF(Loader, "Kernel start = %#x\n"
-            "Kernel end   = %#x\n"
-            "Kernel entry = %#x\n",
-            kernelStart, kernelEnd, kernelEntry);
-
-    // Setup kernel boot parameters
-    initRegs->pc = 0x4001;
-    initRegs->npc = initRegs->pc + sizeof(MachInst);
-
-    DPRINTF(Loader, "Kernel loaded...\n");
-
-#ifdef FULL_SYSTEM
-    Addr addr = 0;
-
-    for(int i = 0; i < 12/*MAX_CPUS*/; i++)
-        xc_array[i] = (ExecContext *) 0;
-
-    num_cpus = 0;
-
-    if (kernelSymtab->findAddress("enable_async_printf", addr)) {
-        Addr paddr = vtophys(physmem, addr);
-        uint8_t *enable_async_printf =
-            physmem->dma_addr(paddr, sizeof(uint32_t));
-
-        if (enable_async_printf)
-            *(uint32_t *)enable_async_printf = 0;
-    }
-
-    if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
-        Addr paddr = vtophys(physmem, addr);
-        char *osflags = (char *)physmem->dma_addr(paddr, sizeof(uint32_t));
-
-        if (osflags)
-            strcpy(osflags, boot_osflags.c_str());
-    }
-
-    if (kernelSymtab->findAddress("panic", addr))
-        kernel_panic_event.schedule(addr);
-    else
-        panic("could not find kernel symbol \'panic\'");
-
-    if (consoleSymtab->findAddress("panic", addr))
-        console_panic_event.schedule(addr);
-
-    if (kernelSymtab->findAddress("badaddr", addr))
-        badaddr_event.schedule(addr);
-    else
-        panic("could not find kernel symbol \'badaddr\'");
-
-    if (kernelSymtab->findAddress("tl_v48_capture_power_state", addr))
-        skip_power_state.schedule(addr);
-
-    if (kernelSymtab->findAddress("pmap_scavenge_boot", addr))
-        skip_scavenge_boot.schedule(addr);
-
-#if TRACING_ON
-    if (kernelSymtab->findAddress("printf", addr))
-        printf_event.schedule(addr);
-
-    if (kernelSymtab->findAddress("m5printf", addr))
-        debug_printf_event.schedule(addr);
-
-    if (kernelSymtab->findAddress("m5printfr", addr))
-        debug_printfr_event.schedule(addr);
-
-    if (kernelSymtab->findAddress("m5_dump_mbuf", addr))
-        dump_mbuf_event.schedule(addr);
-#endif
-
-#endif
-
     // add self to global system list
     systemList.push_back(this);
-
-    numSystemsRunning++;
 }
 
 
 System::~System()
 {
-    delete kernelSymtab;
-    delete consoleSymtab;
-    delete initRegs;
-}
-
-
-void
-System::initBootContext(ExecContext *xc)
-{
-    xc->regs = *initRegs;
-
-    remoteGDB = new RemoteGDB(this, xc);
-    gdbListen = new GDBListener(remoteGDB, 7000);
-    gdbListen->listen();
-
-    // Reset the system
-    //
-    TheISA::init(physmem, &xc->regs);
 }
 
 
 void
 System::registerExecContext(ExecContext *xc)
 {
-    if (num_cpus == 12/*MAX_CPUS*/)
+    if (xc->cpu_id >= 12/*MAX_CPUS*/)
         panic("Too many CPU's\n");
-    xc_array[xc->cpu_id] = xc;
-    num_cpus++;
+
+    if (xc->cpu_id >= xcvec.size())
+        xcvec.resize(xc->cpu_id + 1);
+
+    xcvec[xc->cpu_id] = xc;
 }
 
 
@@ -222,7 +77,6 @@ System::printSystems()
     }
 }
 
-
 extern "C"
 void
 printSystems()
@@ -230,39 +84,5 @@ printSystems()
     System::printSystems();
 }
 
+DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
-
-    SimObjectParam<MemoryController *> mem_ctl;
-    SimObjectParam<PhysicalMemory *> physmem;
-
-    Param<string> kernel_code;
-    Param<string> console_code;
-    Param<string> pal_code;
-    Param<string> boot_osflags;
-
-END_DECLARE_SIM_OBJECT_PARAMS(System)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(System)
-
-    INIT_PARAM(mem_ctl, "memory controller"),
-    INIT_PARAM(physmem, "phsyical memory"),
-    INIT_PARAM(kernel_code, "file that contains the kernel code"),
-    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")
-
-END_INIT_SIM_OBJECT_PARAMS(System)
-
-
-CREATE_SIM_OBJECT(System)
-{
-    System *sys = new System(getInstanceName(), mem_ctl, physmem,
-                             kernel_code, console_code, pal_code,
-                             boot_osflags);
-
-    return sys;
-}
-
-REGISTER_SIM_OBJECT("System", System)
diff --git a/sim/system.hh b/sim/system.hh
index 830e78f4a..bec1011ce 100644
--- a/sim/system.hh
+++ b/sim/system.hh
@@ -30,6 +30,7 @@
 #define __SYSTEM_HH__
 
 #include <string>
+#include <vector>
 
 #include "sim/sim_object.hh"
 #include "cpu/pc_event.hh"
@@ -44,67 +45,35 @@ class ExecContext;
 
 class System : public SimObject
 {
-  private:
-
-    SymbolTable *kernelSymtab;
-    SymbolTable *consoleSymtab;
-
-    BreakPCEvent kernel_panic_event;
-    BreakPCEvent console_panic_event;
-    BadAddrEvent badaddr_event;
-    SkipFuncEvent skip_power_state;
-    SkipFuncEvent skip_scavenge_boot;
-    PrintfEvent printf_event;
-    DebugPrintfEvent debug_printf_event;
-    DebugPrintfEvent debug_printfr_event;
-    DumpMbufEvent dump_mbuf_event;
-
-    RegFile *initRegs;
-
-    Addr kernelStart;
-    Addr kernelEnd;
-    Addr kernelEntry;
-
   public:
-
     MemoryController *memCtrl;
     PhysicalMemory *physmem;
 
     PCEventQueue pcEventQueue;
 
-    ExecContext *xc_array[12/*MAX_CPUS*/];
-    int num_cpus;
-
-    RemoteGDB *remoteGDB;
-    GDBListener *gdbListen;
-
-    System(const std::string name,
-           MemoryController *, PhysicalMemory *,
-           const std::string &kernel_path, const std::string &console_path,
-           const std::string &palcode, const std::string &boot_osflags);
+    std::vector<ExecContext *> xcvec;
+    void registerExecContext(ExecContext *xc);
 
+  public:
+    System(const std::string name, MemoryController *, PhysicalMemory *);
     ~System();
 
-    const SymbolTable *getKernelSymtab() const { return kernelSymtab; }
-    const SymbolTable *getConsoleSymtab() const { return consoleSymtab; }
+    virtual void init(ExecContext *xc) = 0;
 
-    Addr getKernelStart() const { return kernelStart; }
-    Addr getKernelEnd() const { return kernelEnd; }
-    Addr getKernelEntry() const { return kernelEntry; }
+    virtual Addr getKernelStart() const = 0;
+    virtual Addr getKernelEnd() const = 0;
+    virtual Addr getKernelEntry() const = 0;
+    virtual bool breakpoint() = 0;
 
-    void initBootContext(ExecContext *xc);
-    void registerExecContext(ExecContext *xc);
 
+  public:
     ////////////////////////////////////////////
     //
     // STATIC GLOBAL SYSTEM LIST
     //
     ////////////////////////////////////////////
 
-  public:
-
     static std::vector<System *> systemList;
-
     static int numSystemsRunning;
 
     static void printSystems();