referencefile.txt

from collections import defaultdict


class Buffer:

    def __init__(self):
        self.dict = defaultdict(lambda: "0"*8)

    def set(self, register_name, register_value):
        self.dict[register_name] = register_value

    def get(self, register_name):
        if register_name in self.dict:
            return self.dict[register_name]

    def flush(self):
        self.dict.clear()

"""
F D E M W
  F D E M W
    F D E M W
      F D E M W
        F D E M W
          F D E M W

F b D b E b M b W

stalling
reverse
writeback -> standard
Memory -> M->M  E->M memor
Execute -> 
"""

"""
#instruction
    normal
    normal

    sw
    normal

    lw
    normal

lw x10 add
sw x10 add //hazard


    lw  x10 add // addi x10 x10 x10
    sw x10 adress2 M->M

    addi x10 
    lw x10 add //1 stalling
    addi x11 x10 
    sw x11 0(x10)

        sw x10 add //no hazard
        lw x10 add
"""