Merge zizzer:/bk/m5

into  zeep.eecs.umich.edu:/z/saidi/work/m5.q

--HG--
extra : convert_revision : 4855ecfb3de652456a8be413c9e538c91709dcb6

10 files changed, 383 insertions, 171 deletions

diff --git a/arch/alpha/isa/decoder.isa b/arch/alpha/isa/decoder.isa
index ca38dca92..2fb3fbd2a 100644
--- a/arch/alpha/isa/decoder.isa
+++ b/arch/alpha/isa/decoder.isa
@@ -1,6 +1,6 @@
 // -*- mode:c++ -*-
 
-// Copyright (c) 2003-2005 The Regents of The University of Michigan
+// Copyright (c) 2003-2006 The Regents of The University of Michigan
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -758,6 +758,15 @@ decode OPCODE default Unknown::unknown() {
             0x01: quiesce({{
                 AlphaPseudo::quiesce(xc->xcBase());
             }}, IsNonSpeculative);
+            0x02: quiesceNs({{
+                AlphaPseudo::quiesceNs(xc->xcBase(), R16);
+            }}, IsNonSpeculative);
+            0x03: quiesceCycles({{
+                AlphaPseudo::quiesceCycles(xc->xcBase(), R16);
+            }}, IsNonSpeculative);
+            0x04: quiesceTime({{
+                R0 = AlphaPseudo::quiesceTime(xc->xcBase());
+            }}, IsNonSpeculative);
             0x10: ivlb({{
                 AlphaPseudo::ivlb(xc->xcBase());
             }}, No_OpClass, IsNonSpeculative);
@@ -795,6 +804,9 @@ decode OPCODE default Unknown::unknown() {
             0x53: m5addsymbol({{
                 AlphaPseudo::addsymbol(xc->xcBase(), R16, R17);
             }}, IsNonSpeculative);
+            0x54: m5panic({{
+                panic("M5 panic instruction called.");
+            }}, IsNonSpeculative);
 
         }
     }
diff --git a/cpu/exec_context.cc b/cpu/exec_context.cc
index 7e8b81e18..7dd9bf58d 100644
--- a/cpu/exec_context.cc
+++ b/cpu/exec_context.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * Copyright (c) 2001-2006 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,7 @@
 #include "base/callback.hh"
 #include "base/cprintf.hh"
 #include "base/output.hh"
+#include "base/trace.hh"
 #include "cpu/profile.hh"
 #include "kern/kernel_stats.hh"
 #include "sim/serialize.hh"
@@ -53,10 +54,10 @@ ExecContext::ExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
                          AlphaITB *_itb, AlphaDTB *_dtb,
                          FunctionalMemory *_mem)
     : _status(ExecContext::Unallocated), cpu(_cpu), thread_num(_thread_num),
-      cpu_id(-1), mem(_mem), itb(_itb), dtb(_dtb), system(_sys),
-      memctrl(_sys->memctrl), physmem(_sys->physmem),
+      cpu_id(-1), lastActivate(0), lastSuspend(0), mem(_mem), itb(_itb),
+      dtb(_dtb), system(_sys), memctrl(_sys->memctrl), physmem(_sys->physmem),
       kernelBinning(system->kernelBinning), bin(kernelBinning->bin),
-      fnbin(kernelBinning->fnbin), profile(NULL),
+      fnbin(kernelBinning->fnbin), profile(NULL), quiesceEvent(this),
       func_exe_inst(0), storeCondFailures(0)
 {
     kernelStats = new Kernel::Statistics(this);
@@ -79,8 +80,8 @@ ExecContext::ExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
 ExecContext::ExecContext(BaseCPU *_cpu, int _thread_num,
                          Process *_process, int _asid)
     : _status(ExecContext::Unallocated),
-      cpu(_cpu), thread_num(_thread_num), cpu_id(-1),
-      process(_process), mem(process->getMemory()), asid(_asid),
+      cpu(_cpu), thread_num(_thread_num), cpu_id(-1), lastActivate(0),
+      lastSuspend(0), process(_process), mem(process->getMemory()), asid(_asid),
       func_exe_inst(0), storeCondFailures(0)
 {
     memset(&regs, 0, sizeof(RegFile));
@@ -109,6 +110,23 @@ ExecContext::dumpFuncProfile()
     std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name()));
     profile->dump(this, *os);
 }
+
+ExecContext::EndQuiesceEvent::EndQuiesceEvent(ExecContext *_xc)
+    : Event(&mainEventQueue), xc(_xc)
+{
+}
+
+void
+ExecContext::EndQuiesceEvent::process()
+{
+    xc->activate();
+}
+
+const char*
+ExecContext::EndQuiesceEvent::description()
+{
+    return "End Quiesce Event.";
+}
 #endif
 
 void
@@ -143,7 +161,12 @@ ExecContext::serialize(ostream &os)
     SERIALIZE_SCALAR(inst);
 
 #if FULL_SYSTEM
+    Tick quiesceEndTick = 0;
+    if (quiesceEvent.scheduled())
+        quiesceEndTick = quiesceEvent.when();
+    SERIALIZE_SCALAR(quiesceEndTick);
     kernelStats->serialize(os);
+
 #endif
 }
 
@@ -158,6 +181,11 @@ ExecContext::unserialize(Checkpoint *cp, const std::string &section)
     UNSERIALIZE_SCALAR(inst);
 
 #if FULL_SYSTEM
+    Tick quiesceEndTick;
+    UNSERIALIZE_SCALAR(quiesceEndTick);
+    if (quiesceEndTick)
+        quiesceEvent.schedule(quiesceEndTick);
+
     kernelStats->unserialize(cp, section);
 #endif
 }
@@ -169,6 +197,8 @@ ExecContext::activate(int delay)
     if (status() == Active)
         return;
 
+    lastActivate = curTick;
+
     _status = Active;
     cpu->activateContext(thread_num, delay);
 }
@@ -179,6 +209,9 @@ ExecContext::suspend()
     if (status() == Suspended)
         return;
 
+    lastActivate = curTick;
+    lastSuspend = curTick;
+/*
 #if FULL_SYSTEM
     // Don't change the status from active if there are pending interrupts
     if (cpu->check_interrupts()) {
@@ -186,7 +219,7 @@ ExecContext::suspend()
         return;
     }
 #endif
-
+*/
     _status = Suspended;
     cpu->suspendContext(thread_num);
 }
diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index 7ab8c589e..d8ec88537 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * Copyright (c) 2001-2006 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,6 +32,7 @@
 #include "config/full_system.hh"
 #include "mem/functional/functional.hh"
 #include "mem/mem_req.hh"
+#include "sim/eventq.hh"
 #include "sim/host.hh"
 #include "sim/serialize.hh"
 #include "arch/isa_traits.hh"
@@ -132,6 +133,9 @@ class ExecContext
     // it belongs.  For full-system mode, this is the system CPU ID.
     int cpu_id;
 
+    Tick lastActivate;
+    Tick lastSuspend;
+
 #if FULL_SYSTEM
     FunctionalMemory *mem;
     AlphaITB *itb;
@@ -154,6 +158,22 @@ class ExecContext
     Addr profilePC;
     void dumpFuncProfile();
 
+    /** Event for timing out quiesce instruction */
+    struct EndQuiesceEvent : public Event
+    {
+        /** A pointer to the execution context that is quiesced */
+        ExecContext *xc;
+
+        EndQuiesceEvent(ExecContext *_xc);
+
+        /** Event process to occur at interrupt*/
+        virtual void process();
+
+        /** Event description */
+        virtual const char *description();
+    };
+    EndQuiesceEvent quiesceEvent;
+
 #else
     Process *process;
 
diff --git a/sim/pseudo_inst.cc b/sim/pseudo_inst.cc
index 36c854d1c..3effef7ae 100644
--- a/sim/pseudo_inst.cc
+++ b/sim/pseudo_inst.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2003-2006 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -78,6 +78,42 @@ namespace AlphaPseudo
     }
 
     void
+    quiesceNs(ExecContext *xc, uint64_t ns)
+    {
+        if (!doQuiesce || ns == 0)
+            return;
+
+        if (xc->quiesceEvent.scheduled())
+            xc->quiesceEvent.reschedule(curTick + Clock::Int::ns * ns);
+        else
+            xc->quiesceEvent.schedule(curTick + Clock::Int::ns * ns);
+
+        xc->suspend();
+        xc->kernelStats->quiesce();
+    }
+
+    void
+    quiesceCycles(ExecContext *xc, uint64_t cycles)
+    {
+        if (!doQuiesce || cycles == 0)
+            return;
+
+        if (xc->quiesceEvent.scheduled())
+            xc->quiesceEvent.reschedule(curTick + xc->cpu->cycles(cycles));
+        else
+            xc->quiesceEvent.schedule(curTick + xc->cpu->cycles(cycles));
+
+        xc->suspend();
+        xc->kernelStats->quiesce();
+    }
+
+    uint64_t
+    quiesceTime(ExecContext *xc)
+    {
+        return (xc->lastActivate - xc->lastSuspend) / Clock::Int::ns ;
+    }
+
+    void
     ivlb(ExecContext *xc)
     {
         xc->kernelStats->ivlb();
diff --git a/sim/pseudo_inst.hh b/sim/pseudo_inst.hh
index 3857f2050..4dd427c99 100644
--- a/sim/pseudo_inst.hh
+++ b/sim/pseudo_inst.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2003-2006 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,9 @@ namespace AlphaPseudo
 
     void arm(ExecContext *xc);
     void quiesce(ExecContext *xc);
+    void quiesceNs(ExecContext *xc, uint64_t ns);
+    void quiesceCycles(ExecContext *xc, uint64_t cycles);
+    uint64_t quiesceTime(ExecContext *xc);
     void ivlb(ExecContext *xc);
     void ivle(ExecContext *xc);
     void m5exit(ExecContext *xc, Tick delay);
diff --git a/util/m5/Makefile b/util/m5/Makefile
index 6e4ad31a3..518542322 100644
--- a/util/m5/Makefile
+++ b/util/m5/Makefile
@@ -1,26 +1,50 @@
-AS=as
-CC=cc
-LD=cc
+# Copyright (c) 2005-2006 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-CCFLAGS=-O2
-#LDFLAGS=-non_shared
+### If we are not compiling on an alpha, we must use cross tools ###    
+ifneq ($(shell uname -m), alpha)
+CROSS_COMPILE?=alpha-unknown-linux-gnu-
+endif
+CC=$(CROSS_COMPILE)gcc
+AS=$(CROSS_COMPILE)as
+LD=$(CROSS_COMPILE)ld
 
-all: m5
+CFLAGS=-O2 
+OBJS=m5.o m5op.o
 
-m5: m5op.o m5.o
-	$(LD) $(LDFLAGS) -o $@ $>
-	strip $@
+all: m5
 
-clean:
-	@rm -f m5 *.o *.d *~ .#*
+%.o: %.S
+	$(CC) $(CFLAGS) -o $@ -c $<
 
-.SUFFIXES:
-.SUFFIXES:.o .c .s
+%.o: %.c
+	$(CC)  $(CFLAGS) -o $@ -c $<
 
-# C Compilation
-.c.o:
-	$(CC) $(CCFLAGS) -o $@ -c $<
+m5: $(OBJS)
+	$(CC) -o $@ $(OBJS)
 
-# Assembly
-.s.o:
-	$(AS) $(ASFLAGS) -o $@ $<
+clean:
+	rm -f *.o m5
diff --git a/util/m5/m5.c b/util/m5/m5.c
index 942ad5ba4..6fdbc0500 100644
--- a/util/m5/m5.c
+++ b/util/m5/m5.c
@@ -73,7 +73,7 @@ main(int argc, char *argv[])
             usage();
 
         arg1 = strtoul(argv[2], NULL, 0);
-        ivlb(arg1);
+        m5_ivlb(arg1);
         return 0;
     }
 
@@ -82,7 +82,7 @@ main(int argc, char *argv[])
             usage();
 
         arg1 = strtoul(argv[2], NULL, 0);
-        ivle(arg1);
+        m5_ivle(arg1);
         return 0;
     }
 
@@ -90,7 +90,7 @@ main(int argc, char *argv[])
         if (argc != 2)
             usage();
 
-        printf("%ld", initparam());
+        printf("%ld", m5_initparam());
         return 0;
     }
 
@@ -98,7 +98,7 @@ main(int argc, char *argv[])
         if (argc != 2)
             usage();
 
-        param = initparam();
+        param = m5_initparam();
         // run-time, rampup-time, rampdown-time, warmup-time, connections
         printf("%d %d %d %d %d", (param >> 48) & 0xfff,
                (param >> 36) & 0xfff, (param >> 24) & 0xfff,
@@ -112,7 +112,7 @@ main(int argc, char *argv[])
           case 3:
             arg1 = strtoul(argv[2], NULL, 0);
           case 2:
-            m5exit(arg1);
+            m5_exit(arg1);
             return 0;
 
           default:
@@ -127,7 +127,7 @@ main(int argc, char *argv[])
           case 3:
             arg1 = strtoul(argv[2], NULL, 0);
           case 2:
-            reset_stats(arg1, arg2);
+            m5_reset_stats(arg1, arg2);
             return 0;
 
           default:
@@ -142,7 +142,7 @@ main(int argc, char *argv[])
           case 3:
             arg1 = strtoul(argv[2], NULL, 0);
           case 2:
-            dump_stats(arg1, arg2);
+            m5_dump_stats(arg1, arg2);
             return 0;
 
           default:
@@ -157,7 +157,7 @@ main(int argc, char *argv[])
           case 3:
             arg1 = strtoul(argv[2], NULL, 0);
           case 2:
-            dumpreset_stats(arg1, arg2);
+            m5_dumpreset_stats(arg1, arg2);
             return 0;
 
           default:
@@ -172,7 +172,7 @@ main(int argc, char *argv[])
           case 3:
             arg1 = strtoul(argv[2], NULL, 0);
           case 2:
-            checkpoint(arg1, arg2);
+            m5_checkpoint(arg1, arg2);
             return 0;
 
           default:
diff --git a/util/m5/m5op.S b/util/m5/m5op.S
new file mode 100644
index 000000000..a53c45277
--- /dev/null
+++ b/util/m5/m5op.S
@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 2003-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define m5_op 0x01
+
+#define arm_func 0x00
+#define quiesce_func 0x01
+#define quiescens_func 0x02
+#define quiescecycle_func 0x03
+#define quiescetime_func 0x04
+#define ivlb_func 0x10
+#define ivle_func 0x11
+#define exit_old_func 0x20 // deprectated!
+#define exit_func 0x21
+#define initparam_func 0x30
+#define resetstats_func 0x40
+#define dumpstats_func 0x41
+#define dumprststats_func 0x42
+#define ckpt_func 0x43
+#define readfile_func 0x50
+#define debugbreak_func 0x51
+#define switchcpu_func 0x52
+#define addsymbol_func 0x53
+#define panic_func     0x54
+
+#define INST(op, ra, rb, func) \
+        .long (((op) << 26) | ((ra) << 21) | ((rb) << 16) | (func))
+
+#define LEAF(func)    \
+        .align 3;     \
+        .globl  func; \
+        .ent    func; \
+func:
+
+#define RET           \
+        ret     ($26)
+
+#define END(func)     \
+        .end func
+
+#define	ARM(reg) INST(m5_op, reg, 0, arm_func)
+#define QUIESCE INST(m5_op, 0, 0, quiesce_func)
+#define QUIESCENS(r1) INST(m5_op, r1, 0, quiescens_func)
+#define QUIESCECYC(r1) INST(m5_op, r1, 0, quiescecycle_func)
+#define QUIESCETIME INST(m5_op, 0, 0, quiescetime_func)
+#define IVLB(reg) INST(m5_op, reg, 0, ivlb_func)
+#define IVLE(reg) INST(m5_op, reg, 0, ivle_func)
+#define M5EXIT(reg) INST(m5_op, reg, 0, exit_func)
+#define INITPARAM(reg) INST(m5_op, reg, 0, initparam_func)
+#define RESET_STATS(r1, r2) INST(m5_op, r1, r2, resetstats_func)
+#define DUMP_STATS(r1, r2) INST(m5_op, r1, r2, dumpstats_func)
+#define DUMPRST_STATS(r1, r2) INST(m5_op, r1, r2, dumprststats_func)
+#define CHECKPOINT(r1, r2) INST(m5_op, r1, r2, ckpt_func)
+#define READFILE INST(m5_op, 0, 0, readfile_func)
+#define DEBUGBREAK INST(m5_op, 0, 0, debugbreak_func)
+#define SWITCHCPU INST(m5_op, 0, 0, switchcpu_func)
+#define ADDSYMBOL(r1,r2) INST(m5_op, r1, r2, addsymbol_func)
+#define PANIC INST(m5_op, 0, 0, panic_func)
+
+        .set noreorder
+
+        .align 4
+LEAF(arm)
+        ARM(16)
+        RET
+END(arm)
+
+        .align 4
+LEAF(quiesce)
+        QUIESCE
+        RET
+END(quiesce)
+
+        .align 4
+LEAF(quiesceNs)
+        QUIESCENS(16)
+        RET
+END(quiesceNs)
+
+        .align 4
+LEAF(quiesceCycle)
+        QUIESCECYC(16)
+        RET
+END(quiesceCycle)
+
+        .align 4
+LEAF(quiesceTime)
+        QUIESCETIME
+        RET
+END(quiesceTime)
+
+
+        .align 4
+LEAF(m5_ivlb)
+        IVLB(16)
+        RET
+END(m5_ivlb)
+
+        .align 4
+LEAF(m5_ivle)
+        IVLE(16)
+        RET
+END(m5_ivle)
+
+        .align 4
+LEAF(m5_exit)
+        M5EXIT(16)
+        RET
+END(m5_exit)
+
+        .align 4
+LEAF(m5_initparam)
+        INITPARAM(0)
+        RET
+END(m5_initparam)
+
+        .align 4
+LEAF(m5_reset_stats)
+        RESET_STATS(16, 17)
+        RET
+END(m5_reset_stats)
+
+        .align 4
+LEAF(m5_dump_stats)
+        DUMP_STATS(16, 17)
+        RET
+END(m5_dump_stats)
+
+        .align 4
+LEAF(m5_dumpreset_stats)
+        DUMPRST_STATS(16, 17)
+        RET
+END(m5_dumpreset_stats)
+
+        .align 4
+LEAF(m5_checkpoint)
+        CHECKPOINT(16, 17)
+        RET
+END(m5_checkpoint)
+
+        .align 4
+LEAF(m5_readfile)
+        READFILE
+        RET
+END(m5_readfile)
+
+        .align 4
+LEAF(m5_debugbreak)
+        DEBUGBREAK
+        RET
+END(m5_debugbreak)
+
+        .align 4
+LEAF(m5_switchcpu)
+        SWITCHCPU
+        RET
+END(m5_switchcpu)
+
+        .align 4
+LEAF(m5_addsymbol)
+        ADDSYMBOL(16, 17)
+        RET
+END(m5_addsymbol)
+
+        .align 4
+LEAF(m5_panic)
+        PANIC
+        RET
+END(m5_panic)
+
+
diff --git a/util/m5/m5op.h b/util/m5/m5op.h
index 91dc4cc8b..34ac7760d 100644
--- a/util/m5/m5op.h
+++ b/util/m5/m5op.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2003-2006 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,17 +29,26 @@
 #ifndef __M5OP_H__
 #define __M5OP_H__
 
-#include <inttypes.h>
+#include <asm/types.h>
 
 void arm(uint64_t address);
-void quiesce();
-void ivlb(uint64_t interval);
-void ivle(uint64_t interval);
-void m5exit(uint64_t ns_delay);
-uint64_t initparam();
-void checkpoint(uint64_t ns_delay, uint64_t ns_period);
-void reset_stats(uint64_t ns_delay, uint64_t ns_period);
-void dump_stats(uint64_t ns_delay, uint64_t ns_period);
-void dumpreset_stats(uint64_t ns_delay, uint64_t ns_period);
+void quiesce(void);
+void quiesceNs(uint64_t ns);
+void quiesceCycle(uint64_t cycles);
+uint64_t quiesceTime(void);
+
+void m5_ivlb(uint64_t interval);
+void m5_ivle(uint64_t interval);
+void m5_exit(uint64_t ns_delay);
+uint64_t m5_initparam(void);
+void m5_checkpoint(uint64_t ns_delay, uint64_t ns_period);
+void m5_reset_stats(uint64_t ns_delay, uint64_t ns_period);
+void m5_dump_stats(uint64_t ns_delay, uint64_t ns_period);
+void m5_dumpreset_stats(uint64_t ns_delay, uint64_t ns_period);
+uint64_t m5_readfile(void *buffer, uint64_t len, uint64_t offset);
+void m5_debugbreak(void);
+void m5_switchcpu(void);
+void m5_addsymbol(uint64_t addr, char *symbol);
+void m5_panic(void);
 
 #endif // __M5OP_H__
diff --git a/util/m5/m5op.s b/util/m5/m5op.s
deleted file mode 100644
index e779e4209..000000000
--- a/util/m5/m5op.s
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (c) 2003, 2005 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 <machine/asm.h>
-#include <regdef.h>
-		
-#define m5_op 0x01
-
-#define arm_func 0x00
-#define quiesce_func 0x01
-#define ivlb_func 0x10
-#define ivle_func 0x11
-#define exit_old_func 0x20 // deprectated!
-#define exit_func 0x21
-#define initparam_func 0x30
-#define resetstats_func 0x40
-#define dumpstats_func 0x41
-#define dumprststats_func 0x42
-#define ckpt_func 0x43
-	
-#define INST(op, ra, rb, func) \
-	.long (((op) << 26) | ((ra) << 21) | ((rb) << 16) | (func))
-	
-#define	ARM(reg) INST(m5_op, reg, 0, arm_func)
-#define QUIESCE() INST(m5_op, 0, 0, quiesce_func)
-#define IVLB(reg) INST(m5_op, reg, 0, ivlb_func)
-#define IVLE(reg) INST(m5_op, reg, 0, ivle_func)
-#define M5EXIT(reg) INST(m5_op, reg, 0, exit_func)
-#define INITPARAM(reg) INST(m5_op, reg, 0, initparam_func)
-#define RESET_STATS(r1, r2) INST(m5_op, r1, r2, resetstats_func)
-#define DUMP_STATS(r1, r2) INST(m5_op, r1, r2, dumpstats_func)
-#define DUMPRST_STATS(r1, r2) INST(m5_op, r1, r2, dumprststats_func)
-#define CHECKPOINT(r1, r2) INST(m5_op, r1, r2, ckpt_func)
-
-	.set noreorder
-
-	.align 4
-LEAF(arm)
-	ARM(16)
-	RET
-END(arm)
-
-	.align 4
-LEAF(quiesce)
-	QUIESCE()
-	RET
-END(quiesce)
-
-	.align 4
-LEAF(ivlb)
-	IVLB(16)
-	RET
-END(ivlb)
-
-	.align 4
-LEAF(ivle)
-	IVLE(16)
-	RET
-END(ivle)
-
-	.align 4
-LEAF(m5exit)
-	M5EXIT(16)
-	RET
-END(m5exit)
-
-	.align 4
-LEAF(initparam)
-	INITPARAM(0)
-	RET
-END(initparam)
-
-	.align 4
-LEAF(reset_stats)
-	RESET_STATS(16, 17)
-	RET
-END(reset_stats)
-
-	.align 4
-LEAF(dump_stats)
-	DUMP_STATS(16, 17)
-	RET
-END(dump_stats)
-
-	.align 4
-LEAF(dumpreset_stats)
-	DUMPRST_STATS(16, 17)
-	RET
-END(dumpreset_stats)
-
-	.align 4
-LEAF(checkpoint)
-	CHECKPOINT(16, 17)
-	RET
-END(checkpoint)
-