| /* |
| * Copyright (c) 2017, 2019 ARM Limited |
| * All rights reserved |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Copyright (c) 2001-2005 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. |
| * |
| * Authors: Steve Reinhardt |
| * Lisa Hsu |
| * Nathan Binkert |
| * Steve Raasch |
| */ |
| |
| #include "cpu/exetrace.hh" |
| |
| #include <iomanip> |
| #include <sstream> |
| |
| #include "arch/isa_traits.hh" |
| #include "arch/utility.hh" |
| #include "base/loader/symtab.hh" |
| #include "config/the_isa.hh" |
| #include "cpu/base.hh" |
| #include "cpu/static_inst.hh" |
| #include "cpu/thread_context.hh" |
| #include "debug/ExecAll.hh" |
| #include "debug/FmtTicksOff.hh" |
| #include "enums/OpClass.hh" |
| |
| using namespace std; |
| using namespace TheISA; |
| |
| namespace Trace { |
| |
| void |
| Trace::ExeTracerRecord::traceInst(const StaticInstPtr &inst, bool ran) |
| { |
| std::stringstream outs; |
| |
| if (!Debug::ExecUser || !Debug::ExecKernel) { |
| bool in_user_mode = TheISA::inUserMode(thread); |
| if (in_user_mode && !Debug::ExecUser) return; |
| if (!in_user_mode && !Debug::ExecKernel) return; |
| } |
| |
| if (Debug::ExecAsid) |
| outs << "A" << dec << TheISA::getExecutingAsid(thread) << " "; |
| |
| if (Debug::ExecThread) |
| outs << "T" << thread->threadId() << " : "; |
| |
| std::string sym_str; |
| Addr sym_addr; |
| Addr cur_pc = pc.instAddr(); |
| if (debugSymbolTable && Debug::ExecSymbol && |
| (!FullSystem || !inUserMode(thread)) && |
| debugSymbolTable->findNearestSymbol(cur_pc, sym_str, sym_addr)) { |
| if (cur_pc != sym_addr) |
| sym_str += csprintf("+%d",cur_pc - sym_addr); |
| outs << "@" << sym_str; |
| } else { |
| outs << "0x" << hex << cur_pc; |
| } |
| |
| if (inst->isMicroop()) { |
| outs << "." << setw(2) << dec << pc.microPC(); |
| } else { |
| outs << " "; |
| } |
| |
| outs << " : "; |
| |
| // |
| // Print decoded instruction |
| // |
| |
| outs << setw(26) << left; |
| outs << inst->disassemble(cur_pc, debugSymbolTable); |
| |
| if (ran) { |
| outs << " : "; |
| |
| if (Debug::ExecOpClass) { |
| outs << Enums::OpClassStrings[inst->opClass()] << " : "; |
| } |
| |
| if (Debug::ExecResult && !predicate) { |
| outs << "Predicated False"; |
| } |
| |
| if (Debug::ExecResult && data_status != DataInvalid) { |
| switch (data_status) { |
| case DataVec: |
| { |
| ccprintf(outs, " D=0x["); |
| auto dv = data.as_vec->as<uint32_t>(); |
| for (int i = TheISA::VecRegSizeBytes / 4 - 1; i >= 0; |
| i--) { |
| ccprintf(outs, "%08x", dv[i]); |
| if (i != 0) { |
| ccprintf(outs, "_"); |
| } |
| } |
| ccprintf(outs, "]"); |
| } |
| break; |
| case DataVecPred: |
| { |
| ccprintf(outs, " D=0b["); |
| auto pv = data.as_pred->as<uint8_t>(); |
| for (int i = TheISA::VecPredRegSizeBits - 1; i >= 0; i--) { |
| ccprintf(outs, pv[i] ? "1" : "0"); |
| if (i != 0 && i % 4 == 0) { |
| ccprintf(outs, "_"); |
| } |
| } |
| ccprintf(outs, "]"); |
| } |
| break; |
| default: |
| ccprintf(outs, " D=%#018x", data.as_int); |
| break; |
| } |
| } |
| |
| if (Debug::ExecEffAddr && getMemValid()) |
| outs << " A=0x" << hex << addr; |
| |
| if (Debug::ExecFetchSeq && fetch_seq_valid) |
| outs << " FetchSeq=" << dec << fetch_seq; |
| |
| if (Debug::ExecCPSeq && cp_seq_valid) |
| outs << " CPSeq=" << dec << cp_seq; |
| |
| if (Debug::ExecFlags) { |
| outs << " flags=("; |
| inst->printFlags(outs, "|"); |
| outs << ")"; |
| } |
| } |
| |
| // |
| // End of line... |
| // |
| outs << endl; |
| |
| Trace::getDebugLogger()->dprintf_flag( |
| when, thread->getCpuPtr()->name(), "ExecEnable", outs.str().c_str()); |
| } |
| |
| void |
| Trace::ExeTracerRecord::dump() |
| { |
| /* |
| * The behavior this check tries to achieve is that if ExecMacro is on, |
| * the macroop will be printed. If it's on and microops are also on, it's |
| * printed before the microops start printing to give context. If the |
| * microops aren't printed, then it's printed only when the final microop |
| * finishes. Macroops then behave like regular instructions and don't |
| * complete/print when they fault. |
| */ |
| if (Debug::ExecMacro && staticInst->isMicroop() && |
| ((Debug::ExecMicro && |
| macroStaticInst && staticInst->isFirstMicroop()) || |
| (!Debug::ExecMicro && |
| macroStaticInst && staticInst->isLastMicroop()))) { |
| traceInst(macroStaticInst, false); |
| } |
| if (Debug::ExecMicro || !staticInst->isMicroop()) { |
| traceInst(staticInst, true); |
| } |
| } |
| |
| } // namespace Trace |
| |
| //////////////////////////////////////////////////////////////////////// |
| // |
| // ExeTracer Simulation Object |
| // |
| Trace::ExeTracer * |
| ExeTracerParams::create() |
| { |
| return new Trace::ExeTracer(this); |
| } |
