1 files changed, 71 insertions, 0 deletions
diff --git a/src/dev/x86/Pc.py b/src/dev/x86/Pc.py
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+++ b/src/dev/x86/Pc.py
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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
+
+    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.pciconfig.pio = bus.default
+        bus.responder_set = True
+        bus.responder = self.pciconfig