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
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