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authorDerek Hower <drh5@cs.wisc.edu>2009-07-20 09:41:28 -0500
committerDerek Hower <drh5@cs.wisc.edu>2009-07-20 09:41:28 -0500
commit225de2eaff57bdf27d367531f25a654e4cd06fe6 (patch)
tree641e3e3e268359438d9dfcd07f0025d520dc870f /src/arch/sparc/nativetrace.cc
parente59d0e3e89f46f35065ab318c8578941203cc657 (diff)
parent3e8e813218e7779a41bc12caae33db5e239506c9 (diff)
downloadgem5-225de2eaff57bdf27d367531f25a654e4cd06fe6.tar.xz
merge
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+/*
+ * 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/sparc/isa_traits.hh"
+#include "arch/sparc/registers.hh"
+#include "arch/sparc/nativetrace.hh"
+#include "cpu/thread_context.hh"
+#include "params/SparcNativeTrace.hh"
+
+namespace Trace {
+
+static char *intRegNames[SparcISA::NumIntArchRegs] = {
+ //Global registers
+ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
+ //Output registers
+ "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
+ //Local registers
+ "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
+ //Input registers
+ "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
+};
+
+void
+Trace::SparcNativeTrace::check(NativeTraceRecord *record)
+{
+ ThreadContext *tc = record->getThread();
+
+ uint64_t regVal, realRegVal;
+
+ // Integer registers
+
+ // I doubt a real SPARC will describe more integer registers than this.
+ assert(SparcISA::NumIntArchRegs == 32);
+ char **regName = intRegNames;
+ for (int i = 0; i < SparcISA::NumIntArchRegs; i++) {
+ regVal = tc->readIntReg(i);
+ read(&realRegVal, sizeof(realRegVal));
+ realRegVal = SparcISA::gtoh(realRegVal);
+ checkReg(*(regName++), regVal, realRegVal);
+ }
+
+ // PC
+ read(&realRegVal, sizeof(realRegVal));
+ realRegVal = SparcISA::gtoh(realRegVal);
+ regVal = tc->readNextPC();
+ checkReg("pc", regVal, realRegVal);
+
+ // NPC
+ read(&realRegVal, sizeof(realRegVal));
+ realRegVal = SparcISA::gtoh(realRegVal);
+ regVal = tc->readNextNPC();
+ checkReg("npc", regVal, realRegVal);
+
+ // CCR
+ read(&realRegVal, sizeof(realRegVal));
+ realRegVal = SparcISA::gtoh(realRegVal);
+ regVal = tc->readIntReg(SparcISA::NumIntArchRegs + 2);
+ checkReg("ccr", regVal, realRegVal);
+}
+
+} /* namespace Trace */
+
+////////////////////////////////////////////////////////////////////////
+//
+// ExeTracer Simulation Object
+//
+Trace::SparcNativeTrace *
+SparcNativeTraceParams::create()
+{
+ return new Trace::SparcNativeTrace(this);
+};