diff options
Diffstat (limited to 'src/cpu/testers/traffic_gen/dram_gen.cc')
| -rw-r--r-- | src/cpu/testers/traffic_gen/dram_gen.cc | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/src/cpu/testers/traffic_gen/dram_gen.cc b/src/cpu/testers/traffic_gen/dram_gen.cc index 8bbf9b88e..fb8212694 100644 --- a/src/cpu/testers/traffic_gen/dram_gen.cc +++ b/src/cpu/testers/traffic_gen/dram_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 @@ -48,6 +48,39 @@ #include "base/trace.hh" #include "debug/TrafficGen.hh" + +DramGen::DramGen(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, + unsigned int num_seq_pkts, unsigned int page_size, + unsigned int nbr_of_banks_DRAM, + unsigned int nbr_of_banks_util, + unsigned int addr_mapping, + unsigned int nbr_of_ranks) + : RandomGen(gen, _duration, start_addr, end_addr, + _blocksize, min_period, max_period, read_percent, data_limit), + numSeqPkts(num_seq_pkts), countNumSeqPkts(0), addr(0), + isRead(true), pageSize(page_size), + pageBits(floorLog2(page_size / _blocksize)), + bankBits(floorLog2(nbr_of_banks_DRAM)), + blockBits(floorLog2(_blocksize)), + nbrOfBanksDRAM(nbr_of_banks_DRAM), + nbrOfBanksUtil(nbr_of_banks_util), addrMapping(addr_mapping), + rankBits(floorLog2(nbr_of_ranks)), + nbrOfRanks(nbr_of_ranks) +{ + if (addrMapping != 1 && addrMapping != 0) { + addrMapping = 1; + warn("Unknown address mapping specified, using RoRaBaCoCh\n"); + } + + if (nbr_of_banks_util > nbr_of_banks_DRAM) + fatal("Attempting to use more banks (%d) than " + "what is available (%d)\n", + nbr_of_banks_util, nbr_of_banks_DRAM); +} + PacketPtr DramGen::getNextPacket() { |