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from abc import ABCMeta, abstractmethod
from .abstract_core import AbstractCore

from m5.objects import SubSystem

from ..boards.abstract_board import AbstractBoard

from typing import List


class AbstractProcessor(SubSystem):
    __metaclass__ = ABCMeta

    def __init__(self, cores: List[AbstractCore]) -> None:
        super(AbstractProcessor, self).__init__()
        assert len(cores) > 0

        self.cores = cores

    def get_num_cores(self) -> int:
        return len(self.cores)

    def get_cores(self) -> List[AbstractCore]:
        return self.cores

    @abstractmethod
    def incorporate_processor(self, board: AbstractBoard) -> None:
        raise NotImplementedError