2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Steve Reinhardt
36 #include "arch/isa_traits.hh"
37 #include "arch/utility.hh"
38 #include "base/loader/symtab.hh"
39 #include "config/the_isa.hh"
40 #include "cpu/base.hh"
41 #include "cpu/exetrace.hh"
42 #include "cpu/static_inst.hh"
43 #include "cpu/thread_context.hh"
44 #include "debug/ExecAll.hh"
45 #include "enums/OpClass.hh"
48 using namespace TheISA
;
53 ExeTracerRecord::dumpTicks(ostream
&outs
)
55 ccprintf(outs
, "%7d: ", when
);
59 Trace::ExeTracerRecord::traceInst(StaticInstPtr inst
, bool ran
)
61 ostream
&outs
= Trace::output();
63 if (!Debug::ExecUser
|| !Debug::ExecKernel
) {
64 bool in_user_mode
= TheISA::inUserMode(thread
);
65 if (in_user_mode
&& !Debug::ExecUser
) return;
66 if (!in_user_mode
&& !Debug::ExecKernel
) return;
72 outs
<< thread
->getCpuPtr()->name() << " ";
74 if (Debug::ExecSpeculative
)
75 outs
<< (misspeculating
? "-" : "+") << " ";
78 outs
<< "A" << dec
<< TheISA::getExecutingAsid(thread
) << " ";
80 if (Debug::ExecThread
)
81 outs
<< "T" << thread
->threadId() << " : ";
85 Addr cur_pc
= pc
.instAddr();
86 if (debugSymbolTable
&& Debug::ExecSymbol
88 && !inUserMode(thread
)
90 && debugSymbolTable
->findNearestSymbol(cur_pc
, sym_str
, sym_addr
)) {
91 if (cur_pc
!= sym_addr
)
92 sym_str
+= csprintf("+%d",cur_pc
- sym_addr
);
93 outs
<< "@" << sym_str
;
95 outs
<< "0x" << hex
<< cur_pc
;
98 if (inst
->isMicroop()) {
99 outs
<< "." << setw(2) << dec
<< pc
.microPC();
107 // Print decoded instruction
110 outs
<< setw(26) << left
;
111 outs
<< inst
->disassemble(cur_pc
, debugSymbolTable
);
116 if (Debug::ExecOpClass
) {
117 outs
<< Enums::OpClassStrings
[inst
->opClass()] << " : ";
120 if (Debug::ExecResult
&& predicate
== false) {
121 outs
<< "Predicated False";
124 if (Debug::ExecResult
&& data_status
!= DataInvalid
) {
125 ccprintf(outs
, " D=%#018x", data
.as_int
);
128 if (Debug::ExecEffAddr
&& addr_valid
)
129 outs
<< " A=0x" << hex
<< addr
;
131 if (Debug::ExecFetchSeq
&& fetch_seq_valid
)
132 outs
<< " FetchSeq=" << dec
<< fetch_seq
;
134 if (Debug::ExecCPSeq
&& cp_seq_valid
)
135 outs
<< " CPSeq=" << dec
<< cp_seq
;
145 Trace::ExeTracerRecord::dump()
148 * The behavior this check tries to achieve is that if ExecMacro is on,
149 * the macroop will be printed. If it's on and microops are also on, it's
150 * printed before the microops start printing to give context. If the
151 * microops aren't printed, then it's printed only when the final microop
152 * finishes. Macroops then behave like regular instructions and don't
153 * complete/print when they fault.
155 if (Debug::ExecMacro
&& staticInst
->isMicroop() &&
156 ((Debug::ExecMicro
&&
157 macroStaticInst
&& staticInst
->isFirstMicroop()) ||
158 (!Debug::ExecMicro
&&
159 macroStaticInst
&& staticInst
->isLastMicroop()))) {
160 traceInst(macroStaticInst
, false);
162 if (Debug::ExecMicro
|| !staticInst
->isMicroop()) {
163 traceInst(staticInst
, true);
169 ////////////////////////////////////////////////////////////////////////
171 // ExeTracer Simulation Object
174 ExeTracerParams::create()
176 return new Trace::ExeTracer(this);