ARM: Add a native tracer.

--HG--
rename : src/arch/sparc/SparcNativeTrace.py => src/arch/arm/ArmNativeTrace.py
rename : src/arch/sparc/nativetrace.cc => src/arch/arm/nativetrace.cc
rename : src/arch/sparc/nativetrace.hh => src/arch/arm/nativetrace.hh

4 files changed, 172 insertions, 0 deletions

diff --git a/src/arch/arm/ArmNativeTrace.py b/src/arch/arm/ArmNativeTrace.py
new file mode 100644
index 000000000..fb3d4a4ff
--- /dev/null
+++ b/src/arch/arm/ArmNativeTrace.py
@@ -0,0 +1,35 @@
+# Copyright (c) 2009 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Gabe Black
+
+from m5.SimObject import SimObject
+from m5.params import *
+from NativeTrace import NativeTrace
+
+class ArmNativeTrace(NativeTrace):
+    type = 'ArmNativeTrace'
+    cxx_class = 'Trace::ArmNativeTrace'
diff --git a/src/arch/arm/SConscript b/src/arch/arm/SConscript
index 519435489..55ecabdc3 100644
--- a/src/arch/arm/SConscript
+++ b/src/arch/arm/SConscript
@@ -39,11 +39,14 @@ if env['TARGET_ISA'] == 'arm':
     Source('insts/mem.cc')
     Source('insts/pred_inst.cc')
     Source('insts/static_inst.cc')
+    Source('nativetrace.cc')
     Source('pagetable.cc')
     Source('tlb.cc')
     Source('vtophys.cc')
 
+    SimObject('ArmNativeTrace.py')
     SimObject('ArmTLB.py')
+
     TraceFlag('Arm')
 
     if env['FULL_SYSTEM']:
diff --git a/src/arch/arm/nativetrace.cc b/src/arch/arm/nativetrace.cc
new file mode 100644
index 000000000..78e0447f9
--- /dev/null
+++ b/src/arch/arm/nativetrace.cc
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#include "arch/arm/isa_traits.hh"
+#include "arch/arm/miscregs.hh"
+#include "arch/arm/nativetrace.hh"
+#include "cpu/thread_context.hh"
+#include "params/ArmNativeTrace.hh"
+
+namespace Trace {
+
+static const char *regNames[] = {
+    "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+    "r8", "r9", "r10", "fp", "r12", "sp", "lr", "pc",
+    "cpsr"
+};
+
+void
+Trace::ArmNativeTrace::check(NativeTraceRecord *record)
+{
+    ThreadContext *tc = record->getThread();
+
+    uint32_t regVal, realRegVal;
+
+    const char **regName = regNames;
+    // Regular int regs
+    for (int i = 0; i < 15; i++) {
+        regVal = tc->readIntReg(i);
+        read(&realRegVal, sizeof(realRegVal));
+        realRegVal = ArmISA::gtoh(realRegVal);
+        checkReg(*(regName++), regVal, realRegVal);
+    }
+
+    //R15, aliased with the PC
+    regVal = tc->readNextPC();
+    read(&realRegVal, sizeof(realRegVal));
+    realRegVal = ArmISA::gtoh(realRegVal);
+    checkReg(*(regName++), regVal, realRegVal);
+
+    //CPSR
+    regVal = tc->readMiscReg(MISCREG_CPSR);
+    read(&realRegVal, sizeof(realRegVal));
+    realRegVal = ArmISA::gtoh(realRegVal);
+    checkReg(*(regName++), regVal, realRegVal);
+}
+
+} /* namespace Trace */
+
+////////////////////////////////////////////////////////////////////////
+//
+//  ExeTracer Simulation Object
+//
+Trace::ArmNativeTrace *
+ArmNativeTraceParams::create()
+{
+    return new Trace::ArmNativeTrace(this);
+};
diff --git a/src/arch/arm/nativetrace.hh b/src/arch/arm/nativetrace.hh
new file mode 100644
index 000000000..a347040fb
--- /dev/null
+++ b/src/arch/arm/nativetrace.hh
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __ARCH_ARM_NATIVETRACE_HH__
+#define __ARCH_ARM_NATIVETRACE_HH__
+
+#include "base/types.hh"
+#include "cpu/nativetrace.hh"
+
+namespace Trace {
+
+class ArmNativeTrace : public NativeTrace
+{
+  public:
+    ArmNativeTrace(const Params *p) : NativeTrace(p)
+    {}
+
+    void check(NativeTraceRecord *record);
+};
+
+} /* namespace Trace */
+
+#endif // __ARCH_ARM_NATIVETRACE_HH__