class SouthBridge(SimObject):
    type = 'SouthBridge'
    cxx_header = "dev/x86/south_bridge.hh"
    platform = Param.Platform(Parent.any, "Platform this device is part of")

    _pic1 = I8259(pio_addr=x86IOAddress(0x20), mode='I8259Master')
    _pic2 = I8259(pio_addr=x86IOAddress(0xA0), mode='I8259Slave')
    _cmos = Cmos(pio_addr=x86IOAddress(0x70))
    _dma1 = I8237(pio_addr=x86IOAddress(0x0))
    _keyboard = I8042(data_port=x86IOAddress(0x60), \
            command_port=x86IOAddress(0x64))
    _pit = I8254(pio_addr=x86IOAddress(0x40))
    _speaker = PcSpeaker(pio_addr=x86IOAddress(0x61))
    _io_apic = I82094AA(pio_addr=0xFEC00000)

    pic1 = Param.I8259(_pic1, "Master PIC")
    pic2 = Param.I8259(_pic2, "Slave PIC")
    cmos = Param.Cmos(_cmos, "CMOS memory and real time clock device")
    dma1 = Param.I8237(_dma1, "The first dma controller")
    keyboard = Param.I8042(_keyboard, "The keyboard controller")
    pit = Param.I8254(_pit, "Programmable interval timer")
    speaker = Param.PcSpeaker(_speaker, "PC speaker")
    io_apic = Param.I82094AA(_io_apic, "I/O APIC")

    # IDE controller
    ide = IdeController(disks=[], pci_func=0, pci_dev=4, pci_bus=0)
    ide.BAR0 = 0x1f0
    ide.BAR0LegacyIO = True
    ide.BAR1 = 0x3f4
    ide.BAR1Size = '3B'
    ide.BAR1LegacyIO = True
    ide.BAR2 = 0x170
    ide.BAR2LegacyIO = True
    ide.BAR3 = 0x374
    ide.BAR3Size = '3B'
    ide.BAR3LegacyIO = True
    ide.BAR4 = 1
    ide.Command = 0
    ide.ProgIF = 0x80
    ide.InterruptLine = 14
    ide.InterruptPin = 1

    def attachIO(self, bus, dma_ports):
        # Route interupt signals
        self.int_lines = \
          [X86IntLine(source=self.pic1.output, sink=self.io_apic.pin(0)),
           X86IntLine(source=self.pic2.output, sink=self.pic1.pin(2)),
           X86IntLine(source=self.cmos.int_pin, sink=self.pic2.pin(0)),
           X86IntLine(source=self.pit.int_pin, sink=self.pic1.pin(0)),
           X86IntLine(source=self.pit.int_pin, sink=self.io_apic.pin(2)),
           X86IntLine(source=self.keyboard.keyboard_int_pin,
                      sink=self.io_apic.pin(1)),
           X86IntLine(source=self.keyboard.mouse_int_pin,
                      sink=self.io_apic.pin(12))]
        # Tell the devices about each other
        self.pic1.slave = self.pic2
        self.speaker.i8254 = self.pit
        self.io_apic.external_int_pic = self.pic1
        # Connect to the bus
        self.cmos.pio = bus.master
        self.dma1.pio = bus.master
        self.ide.pio = bus.master
        self.ide.config = bus.master
        if dma_ports.count(self.ide.dma) == 0:
            self.ide.dma = bus.slave
        self.keyboard.pio = bus.master
        self.pic1.pio = bus.master
        self.pic2.pio = bus.master
        self.pit.pio = bus.master
        self.speaker.pio = bus.master
        self.io_apic.pio = bus.master
        self.io_apic.int_master = bus.slave
예제 #2
0
class SouthBridge(SimObject):
    type = 'SouthBridge'
    pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
    platform = Param.Platform(Parent.any, "Platform this device is part of")

    _pic1 = I8259(pio_addr=x86IOAddress(0x20), mode='I8259Master')
    _pic2 = I8259(pio_addr=x86IOAddress(0xA0), mode='I8259Slave')
    _cmos = Cmos(pio_addr=x86IOAddress(0x70))
    _dma1 = I8237(pio_addr=x86IOAddress(0x0))
    _keyboard = I8042(data_port=x86IOAddress(0x60), \
            command_port=x86IOAddress(0x64))
    _pit = I8254(pio_addr=x86IOAddress(0x40))
    _speaker = PcSpeaker(pio_addr=x86IOAddress(0x61))
    _io_apic = I82094AA(pio_addr=0xFEC00000)
    # This is to make sure the interrupt lines are instantiated. Don't use
    # it for anything directly.
    int_lines = VectorParam.X86IntLine([], "Interrupt lines")

    pic1 = Param.I8259(_pic1, "Master PIC")
    pic2 = Param.I8259(_pic2, "Slave PIC")
    cmos = Param.Cmos(_cmos, "CMOS memory and real time clock device")
    dma1 = Param.I8237(_dma1, "The first dma controller")
    keyboard = Param.I8042(_keyboard, "The keyboard controller")
    pit = Param.I8254(_pit, "Programmable interval timer")
    speaker = Param.PcSpeaker(_speaker, "PC speaker")
    io_apic = Param.I82094AA(_io_apic, "I/O APIC")

    def connectPins(self, source, sink):
        self.int_lines.append(X86IntLine(source=source, sink=sink))

    # IDE controller
    ide = IdeController(disks=[], pci_func=0, pci_dev=4, pci_bus=0)
    ide.BAR0 = 0x1f0
    ide.BAR0LegacyIO = True
    ide.BAR1 = 0x3f4
    ide.BAR1Size = '3B'
    ide.BAR1LegacyIO = True
    ide.BAR2 = 0x170
    ide.BAR2LegacyIO = True
    ide.BAR3 = 0x374
    ide.BAR3Size = '3B'
    ide.BAR3LegacyIO = True
    ide.BAR4 = 1
    ide.Command = 0
    ide.ProgIF = 0x80
    ide.InterruptLine = 14
    ide.InterruptPin = 1

    def attachIO(self, bus):
        # Route interupt signals
        self.connectPins(self.pic1.output, self.io_apic.pin(0))
        self.connectPins(self.pic2.output, self.pic1.pin(2))
        self.connectPins(self.cmos.int_pin, self.pic2.pin(0))
        self.connectPins(self.pit.int_pin, self.pic1.pin(0))
        self.connectPins(self.pit.int_pin, self.io_apic.pin(2))
        #        self.connectPins(self.keyboard.keyboard_int_pin,
        #                         self.pic1.pin(1))
        self.connectPins(self.keyboard.keyboard_int_pin, self.io_apic.pin(1))
        #        self.connectPins(self.keyboard.mouse_int_pin,
        #                         self.pic2.pin(4))
        self.connectPins(self.keyboard.mouse_int_pin, self.io_apic.pin(12))
        # Tell the devices about each other
        self.pic1.slave = self.pic2
        self.speaker.i8254 = self.pit
        self.io_apic.external_int_pic = self.pic1
        # Connect to the bus
        self.cmos.pio = bus.port
        self.dma1.pio = bus.port
        self.ide.pio = bus.port
        self.keyboard.pio = bus.port
        self.pic1.pio = bus.port
        self.pic2.pio = bus.port
        self.pit.pio = bus.port
        self.speaker.pio = bus.port
        self.io_apic.pio = bus.port
        self.io_apic.int_port = bus.port