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from typing import Optional
from ...utils.override import overrides
from .abstract_core import AbstractCore
from .abstract_generator_core import AbstractGeneratorCore
from m5.objects import Port, GUPSGen, Addr, SrcClockDomain, VoltageDomain


class GUPSGeneratorCore(AbstractGeneratorCore):
    def __init__(
        self,
        start_addr: Addr,
        mem_size: str,
        update_limit: int,
        clk_freq: Optional[str],
    ):
        """
        Create a GUPSGeneratorCore as the main generator.
        """
        super().__init__()
        self.generator = GUPSGen(
            start_addr=start_addr, mem_size=mem_size, update_limit=update_limit
        )
        if clk_freq:
            clock_domain = SrcClockDomain(
                clock=clk_freq, voltage_domain=VoltageDomain()
            )
            self.generator.clk_domain = clock_domain

    @overrides(AbstractCore)
    def connect_dcache(self, port: Port) -> None:
        self.generator.port = port