t1000.py

来自「M5,一个功能强大的多处理器系统模拟器.很多针对处理器架构,性能的研究都使用它作」· Python 代码 · 共 107 行

from m5.params import *
from m5.proxy import *
from Device import BasicPioDevice, PioDevice, IsaFake, BadAddr
from Uart import Uart8250
from Platform import Platform
from SimConsole import SimConsole


class MmDisk(BasicPioDevice):
    type = 'MmDisk'
    image = Param.DiskImage("Disk Image")
    pio_addr = 0x1F40000000

class DumbTOD(BasicPioDevice):
    type = 'DumbTOD'
    time = Param.Time('01/01/2009', "System time to use ('Now' for real time)")
    pio_addr = 0xfff0c1fff8

class Iob(PioDevice):
    type = 'Iob'
    pio_latency = Param.Latency('1ns', "Programed IO latency in simticks")


class T1000(Platform):
    type = 'T1000'
    system = Param.System(Parent.any, "system")

    fake_clk = IsaFake(pio_addr=0x9600000000, pio_size=0x100000000)
            #warn_access="Accessing Clock Unit -- Unimplemented!")

    fake_membnks = IsaFake(pio_addr=0x9700000000, pio_size=16384,
            ret_data64=0x0000000000000000, update_data=False)
            #warn_access="Accessing Memory Banks -- Unimplemented!")

    fake_jbi = IsaFake(pio_addr=0x8000000000, pio_size=0x100000000)
            #warn_access="Accessing JBI -- Unimplemented!")

    fake_l2_1 = IsaFake(pio_addr=0xA900000000, pio_size=0x8,
            ret_data64=0x0000000000000001, update_data=True)
            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")

    fake_l2_2 = IsaFake(pio_addr=0xA900000040, pio_size=0x8,
            ret_data64=0x0000000000000001, update_data=True)
            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")

    fake_l2_3 = IsaFake(pio_addr=0xA900000080, pio_size=0x8,
            ret_data64=0x0000000000000001, update_data=True)
            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")

    fake_l2_4 = IsaFake(pio_addr=0xA9000000C0, pio_size=0x8,
            ret_data64=0x0000000000000001, update_data=True)
            #warn_access="Accessing L2 Cache Banks -- Unimplemented!")

    fake_l2esr_1 = IsaFake(pio_addr=0xAB00000000, pio_size=0x8,
            ret_data64=0x0000000000000000, update_data=True)
            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")

    fake_l2esr_2 = IsaFake(pio_addr=0xAB00000040, pio_size=0x8,
            ret_data64=0x0000000000000000, update_data=True)
            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")

    fake_l2esr_3 = IsaFake(pio_addr=0xAB00000080, pio_size=0x8,
            ret_data64=0x0000000000000000, update_data=True)
            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")

    fake_l2esr_4 = IsaFake(pio_addr=0xAB000000C0, pio_size=0x8,
            ret_data64=0x0000000000000000, update_data=True)
            #warn_access="Accessing L2 ESR Cache Banks -- Unimplemented!")

    fake_ssi = IsaFake(pio_addr=0xff00000000, pio_size=0x10000000)
            #warn_access="Accessing SSI -- Unimplemented!")

    hconsole = SimConsole()
    hvuart = Uart8250(pio_addr=0xfff0c2c000)
    htod = DumbTOD()

    pconsole = SimConsole()
    puart0 = Uart8250(pio_addr=0x1f10000000)

    iob = Iob()
    # Attach I/O devices that are on chip
    def attachOnChipIO(self, bus):
        self.iob.pio = bus.port
        self.htod.pio = bus.port


    # Attach I/O devices to specified bus object.  Can't do this
    # earlier, since the bus object itself is typically defined at the
    # System level.
    def attachIO(self, bus):
        self.hvuart.sim_console = self.hconsole
        self.puart0.sim_console = self.pconsole
        self.fake_clk.pio = bus.port
        self.fake_membnks.pio = bus.port
        self.fake_l2_1.pio = bus.port
        self.fake_l2_2.pio = bus.port
        self.fake_l2_3.pio = bus.port
        self.fake_l2_4.pio = bus.port
        self.fake_l2esr_1.pio = bus.port
        self.fake_l2esr_2.pio = bus.port
        self.fake_l2esr_3.pio = bus.port
        self.fake_l2esr_4.pio = bus.port
        self.fake_ssi.pio = bus.port
        self.fake_jbi.pio = bus.port
        self.puart0.pio = bus.port
        self.hvuart.pio = bus.port