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| author | Gabe Black <gblack@eecs.umich.edu> | 2008-06-12 00:58:13 -0400 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2008-06-12 00:58:13 -0400 |
| commit | da20c0ec54d322cbffe3c7d0053ea4dc8be24d94 (patch) | |
| tree | c758b6e68aae1c71d3eccd79c794ddffc39bca9a /src/dev | |
| parent | 1f5b992b582f0d8de792df24a81d4a25642b3e45 (diff) | |
| download | gem5-da20c0ec54d322cbffe3c7d0053ea4dc8be24d94.tar.xz | |
X86: Make sure there's something to catch when the kernel messes with ports "behind" the pci config magic ports.
Diffstat (limited to 'src/dev')
| -rw-r--r-- | src/dev/x86/PC.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/dev/x86/PC.py b/src/dev/x86/PC.py index 86ae4c3ba..4ba9e7a8a 100644 --- a/src/dev/x86/PC.py +++ b/src/dev/x86/PC.py @@ -50,6 +50,10 @@ class PC(Platform): # "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 console console = SimConsole() com_1 = Uart8250() @@ -59,6 +63,7 @@ class PC(Platform): def attachIO(self, bus): self.south_bridge.pio = bus.port 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 |