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Diffstat (limited to 'src/proto/inst_dep_record.proto')
-rw-r--r-- | src/proto/inst_dep_record.proto | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/proto/inst_dep_record.proto b/src/proto/inst_dep_record.proto new file mode 100644 index 000000000..7035bfc74 --- /dev/null +++ b/src/proto/inst_dep_record.proto @@ -0,0 +1,75 @@ +// Copyright (c) 2013 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 + +// 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, whether it +// is a load, and whether it is a store. The request related fields are +// optional, namely address, size and flags. These exist only if the +// instruction is a load or store. The dependency related information includes +// a repeated field for order dependencies, a repeated field for register +// dependencies and the computational delay with respect to the dependency +// that completed last. A weight field is used to account for committed +// instructions 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 { + required uint64 seq_num = 1; + required bool load = 2; + required bool store = 3; + optional uint64 addr = 4; + optional uint32 size = 5; + optional uint32 flags = 6; + repeated uint64 rob_dep = 7; + required uint64 comp_delay = 8; + repeated uint64 reg_dep = 9; + optional uint32 weight = 10; + optional uint64 pc = 11; +} |