| // Copyright (c) 2013,2017 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: Radhika Jagtap |
| |
| syntax = "proto2"; |
| |
| // Put all the generated messages in a namespace |
| package ProtoMessage; |
| |
| // Packet header for the o3cpu data dependency trace. The header fields are the |
| // identifier describing what object captured the trace, the version of this |
| // file format, the tick frequency of the object and the window size used to |
| // limit the register dependencies during capture. |
| message InstDepRecordHeader { |
| required string obj_id = 1; |
| optional uint32 ver = 2 [default = 0]; |
| required uint64 tick_freq = 3; |
| required uint32 window_size = 4; |
| } |
| |
| // Packet to encapsulate an instruction in the o3cpu data dependency trace. |
| // The required fields include the instruction sequence number and the type |
| // of the record associated with the instruction e.g. load. The request related |
| // fields are optional, namely address, size and flags. The dependency related |
| // information includes a repeated field for order dependencies and register |
| // dependencies for loads, stores and comp records. There is a field for the |
| // computational delay with respect to the dependency that completed last. A |
| // weight field is used to account for committed instruction that were |
| // filtered out before writing the trace and is used to estimate ROB |
| // occupancy during replay. An optional field is provided for the instruction |
| // PC. |
| message InstDepRecord { |
| enum RecordType { |
| INVALID = 0; |
| LOAD = 1; |
| STORE = 2; |
| COMP = 3; |
| } |
| required uint64 seq_num = 1; |
| required RecordType type = 2 [default = INVALID]; |
| optional uint64 p_addr = 3; |
| optional uint32 size = 4; |
| optional uint32 flags = 5; |
| repeated uint64 rob_dep = 6; |
| required uint64 comp_delay = 7; |
| repeated uint64 reg_dep = 8; |
| optional uint32 weight = 9; |
| optional uint64 pc = 10; |
| optional uint64 v_addr = 11; |
| optional uint32 asid = 12; |
| } |