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+# Copyright (c) 2008 The Regents of The University of Michigan
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Gabe Black
+
+from m5.params import *
+from m5.proxy import *
+
+from Device import IsaFake
+from Pci import PciConfigAll
+from Platform import Platform
+from SouthBridge import SouthBridge
+from Terminal import Terminal
+from Uart import Uart8250
+
+def x86IOAddress(port):
+ IO_address_space_base = 0x8000000000000000
+ return IO_address_space_base + port;
+
+class Pc(Platform):
+ type = 'Pc'
+ system = Param.System(Parent.any, "system")
+
+ pciconfig = PciConfigAll()
+
+ south_bridge = SouthBridge()
+
+ # "Non-existant" port used for timing purposes by the linux kernel
+ i_dont_exist = IsaFake(pio_addr=x86IOAddress(0x80), pio_size=1)
+
+ # Ports behind the pci config and data regsiters. These don't do anything,
+ # but the linux kernel fiddles with them anway.
+ behind_pci = IsaFake(pio_addr=x86IOAddress(0xcf8), pio_size=8)
+
+ # Serial port and terminal
+ terminal = Terminal()
+ com_1 = Uart8250()
+ com_1.pio_addr = x86IOAddress(0x3f8)
+ com_1.terminal = terminal
+
+ # Devices to catch access to non-existant serial ports.
+ fake_com_2 = IsaFake(pio_addr=x86IOAddress(0x2f8), pio_size=8)
+ fake_com_3 = IsaFake(pio_addr=x86IOAddress(0x3e8), pio_size=8)
+ fake_com_4 = IsaFake(pio_addr=x86IOAddress(0x2e8), pio_size=8)
+
+ # A device to catch accesses to the non-existant floppy controller.
+ fake_floppy = IsaFake(pio_addr=x86IOAddress(0x3f2), pio_size=2)
+
+ def attachIO(self, bus):
+ self.south_bridge.attachIO(bus)
+ self.i_dont_exist.pio = bus.port
+ self.behind_pci.pio = bus.port
+ self.com_1.pio = bus.port
+ self.fake_com_2.pio = bus.port
+ self.fake_com_3.pio = bus.port
+ self.fake_com_4.pio = bus.port
+ self.fake_floppy.pio = bus.port
+ self.pciconfig.pio = bus.default
+ bus.responder_set = True
+ bus.responder = self.pciconfig