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from m5.citations import add_citation
from m5.objects.AbstractMemory import *
from m5.params import *


# A wrapper for DRAMSim3 multi-channel memory controller
class DRAMsim3(AbstractMemory):
    type = "DRAMsim3"
    cxx_header = "mem/dramsim3.hh"
    cxx_class = "gem5::memory::DRAMsim3"

    # A single port for now
    port = ResponsePort(
        "port for receiving requests fromthe CPU or other requestor"
    )

    configFile = Param.String(
        "ext/dramsim3/DRAMsim3/configs/DDR4_8Gb_x8_2400.ini",
        "The configuration file to use with DRAMSim3",
    )
    filePath = Param.String(
        "ext/dramsim3/DRAMsim3/", "Directory to prepend to file names"
    )


add_citation(
    DRAMsim3,
    """@article{Li:2020:dramsim3,
  author       = {Shang Li and
                  Zhiyuan Yang and
                  Dhiraj Reddy and
                  Ankur Srivastava and
                  Bruce L. Jacob},
  title        = {DRAMsim3: {A} Cycle-Accurate, Thermal-Capable {DRAM} Simulator},
  journal      = {{IEEE} Compututer Architecture Letters},
  volume       = {19},
  number       = {2},
  pages        = {110--113},
  year         = {2020},
  url          = {https://doi.org/10.1109/LCA.2020.2973991},
  doi          = {10.1109/LCA.2020.2973991}
}
""",
)