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// Copyright (c) 2014 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.
//
// 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: Ali Saidi


// Put all the generated messages in a namespace
package ProtoMessage;

// Packet header with the identifier describing what object captured
// the trace, the version of this file format, and the tick frequency
// for all the packet time stamps.
message InstHeader {
  required string obj_id = 1;
  required uint32 ver = 2 [default = 0];
  required uint64 tick_freq = 3;
  required bool has_mem = 4;
}

message Inst {
  required uint64 pc = 1;
  required fixed32 inst = 2;
  optional uint32 nodeid = 3;
  optional uint32 cpuid = 4;
  optional fixed64 tick = 5;

  enum InstType {
    None = 0;
    IntAlu = 1;
    IntMul = 2;
    IntDiv = 3;
    FloatAdd = 4;
    FloatCmp = 5;
    FloatCvt = 6;
    FloatMult = 7;
    FloatDiv = 8;
    FloatSqrt = 9;
    SIMDIntAdd = 10;
    SIMDIntAddAcc = 11;
    SIMDIntAlu = 12;
    SIMDIntCmp = 13;
    SIMDIntCvt = 14;
    SIMDMisc = 15;
    SIMDIntMult = 16;
    SIMDIntMultAcc = 17;
    SIMDIntShift = 18;
    SIMDIntShiftAcc = 19;
    SIMDSqrt = 20;
    SIMDFloatAdd = 21;
    SIMDFloatAlu = 22;
    SIMDFloatCmp = 23;
    SIMDFloatCvt = 24;
    SIMDFloatDiv = 25;
    SIMDFloatMisc = 26;
    SIMDFloatMult = 27;
    SIMDFloatMultAdd = 28;
    SIMDFloatSqrt = 29;
    MemRead = 30;
    MemWrite = 31;
    IprAccess = 32;
    InstPrefetch = 33;
  }

  optional InstType type = 6; // add, mul, fp add, load, store, simd add, …
  optional uint32 inst_flags = 7; // execution mode information

  // If the operation does one or more memory accesses
  message MemAccess {
      required uint64 addr = 1;
      required uint32 size = 2;
      optional uint32 mem_flags = 3;
  }
  repeated MemAccess mem_access = 8;
}