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from m5.params import *
from m5.proxy import *
from m5.objects.ClockedObject import ClockedObject

class GUPSGen(ClockedObject):
    """
    This ClockedObject implements the RandomAccess benchmark specified by HPCC
    benchmarks in https://icl.utk.edu/projectsfiles/hpcc/RandomAccess.
    """
    type = 'GUPSGen'
    cxx_header = "cpu/testers/traffic_gen/gups_gen.hh"
    cxx_class = "gem5::GUPSGen"

    system = Param.System(Parent.any, 'System this generator is a part of')

    port = RequestPort('Port that should be connected to other components')

    start_addr = Param.Addr(0, 'Start address for allocating update table,'
                            ' should be a multiple of block_size')

    mem_size = Param.MemorySize('Size for allocating update table, based on'
                            ' randomAccess benchmark specification, this'
                            ' should be equal to half of total system memory'
                            ' ,also should be a power of 2')

    update_limit = Param.Int(0, 'The number of updates to issue before the'
                            ' simulation is over')

    request_queue_size = Param.Int(1024, 'Maximum number of parallel'
                            ' outstanding requests')

    init_memory = Param.Bool(False, 'Whether or not to initialize the memory,'
                            ' it does not effect the performance')