diff options
Diffstat (limited to 'src/cpu/testers/traffic_gen/base_gen.cc')
| -rw-r--r-- | src/cpu/testers/traffic_gen/base_gen.cc | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/src/cpu/testers/traffic_gen/base_gen.cc b/src/cpu/testers/traffic_gen/base_gen.cc index 7963574e1..ccab17a7a 100644 --- a/src/cpu/testers/traffic_gen/base_gen.cc +++ b/src/cpu/testers/traffic_gen/base_gen.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012-2013, 2016-2017 ARM Limited + * Copyright (c) 2012-2013, 2016-2018 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -44,12 +44,17 @@ #include <algorithm> +#include "base/logging.hh" #include "base/random.hh" #include "base/trace.hh" +#include "cpu/testers/traffic_gen/base.hh" #include "debug/TrafficGen.hh" +#include "sim/system.hh" -BaseGen::BaseGen(const std::string& _name, MasterID master_id, Tick _duration) - : _name(_name), masterID(master_id), duration(_duration) +BaseGen::BaseGen(BaseTrafficGen &gen, Tick _duration) + : _name(gen.name()), masterID(gen.masterID), + cacheLineSize(gen.system->cacheLineSize()), + duration(_duration) { } @@ -75,3 +80,26 @@ BaseGen::getPacket(Addr addr, unsigned size, const MemCmd& cmd, return pkt; } + +StochasticGen::StochasticGen(BaseTrafficGen &gen, + Tick _duration, + Addr start_addr, Addr end_addr, Addr _blocksize, + Tick min_period, Tick max_period, + uint8_t read_percent, Addr data_limit) + : BaseGen(gen, _duration), + startAddr(start_addr), endAddr(end_addr), + blocksize(_blocksize), minPeriod(min_period), + maxPeriod(max_period), readPercent(read_percent), + dataLimit(data_limit) +{ + if (blocksize > cacheLineSize) + fatal("TrafficGen %s block size (%d) is larger than " + "cache line size (%d)\n", name(), + blocksize, cacheLineSize); + + if (read_percent > 100) + fatal("%s cannot have more than 100% reads", name()); + + if (min_period > max_period) + fatal("%s cannot have min_period > max_period", name()); +} |