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Add common BusState

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Implement and use a common device bus state.  The main side-effect is
that creating a bus and attaching it to a parent device are no longer
separate operations.  For legacy code we allow a NULL parent, but that
should go away eventually.

Also tweak creation code to veriry theat a device in on the right bus.

Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-23 00:05:19 +01:00
parent 4856fcff8a
commit 02e2da45c4
30 changed files with 229 additions and 135 deletions
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3
hw/piix_pci.c
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@ -176,7 +176,8 @@ PCIBus *i440fx_init(PCIDevice **pi440fx_state, qemu_irq *pic)
I440FXState *s;
s = qemu_mallocz(sizeof(I440FXState));
b = pci_register_bus(piix3_set_irq, pci_slot_get_pirq, pic, 0, 4);
b = pci_register_bus(NULL, "pci",
piix3_set_irq, pci_slot_get_pirq, pic, 0, 4);
s->bus = b;
register_ioport_write(0xcf8, 4, 4, i440fx_addr_writel, s);