prep_pci: Create PCIBus and PCIDevice in-place
Prepares for QOM realizefn by removing object creation from qdev initfn. Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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@ -2,6 +2,7 @@
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* QEMU PREP PCI host
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*
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* Copyright (c) 2006 Fabrice Bellard
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* Copyright (c) 2011-2013 Andreas Färber
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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@ -24,12 +25,21 @@
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#include "hw.h"
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#include "pci/pci.h"
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#include "pci/pci_bus.h"
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#include "pci/pci_host.h"
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#include "pc.h"
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#include "exec/address-spaces.h"
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#define TYPE_RAVEN_PCI_DEVICE "raven"
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#define TYPE_RAVEN_PCI_HOST_BRIDGE "raven-pcihost"
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#define RAVEN_PCI_DEVICE(obj) \
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OBJECT_CHECK(RavenPCIState, (obj), TYPE_RAVEN_PCI_DEVICE)
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typedef struct RavenPCIState {
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PCIDevice dev;
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} RavenPCIState;
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#define RAVEN_PCI_HOST_BRIDGE(obj) \
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OBJECT_CHECK(PREPPCIState, (obj), TYPE_RAVEN_PCI_HOST_BRIDGE)
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@ -38,12 +48,10 @@ typedef struct PRePPCIState {
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MemoryRegion intack;
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qemu_irq irq[4];
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PCIBus pci_bus;
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RavenPCIState pci_dev;
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} PREPPCIState;
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typedef struct RavenPCIState {
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PCIDevice dev;
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} RavenPCIState;
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static inline uint32_t PPC_PCIIO_config(hwaddr addr)
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{
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int i;
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@ -108,18 +116,13 @@ static int raven_pcihost_init(SysBusDevice *dev)
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PCIHostState *h = PCI_HOST_BRIDGE(dev);
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PREPPCIState *s = RAVEN_PCI_HOST_BRIDGE(dev);
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MemoryRegion *address_space_mem = get_system_memory();
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MemoryRegion *address_space_io = get_system_io();
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PCIBus *bus;
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int i;
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for (i = 0; i < 4; i++) {
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sysbus_init_irq(dev, &s->irq[i]);
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}
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bus = pci_register_bus(DEVICE(dev), NULL,
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prep_set_irq, prep_map_irq, s->irq,
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address_space_mem, address_space_io, 0, 4);
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h->bus = bus;
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pci_bus_irqs(&s->pci_bus, prep_set_irq, prep_map_irq, s->irq, 4);
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memory_region_init_io(&h->conf_mem, &pci_host_conf_be_ops, s,
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"pci-conf-idx", 1);
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@ -136,9 +139,29 @@ static int raven_pcihost_init(SysBusDevice *dev)
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memory_region_init_io(&s->intack, &PPC_intack_ops, s, "pci-intack", 1);
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memory_region_add_subregion(address_space_mem, 0xbffffff0, &s->intack);
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pci_create_simple(bus, 0, "raven");
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return 0;
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/* TODO Remove once realize propagates to child devices. */
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return qdev_init(DEVICE(&s->pci_dev));
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}
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static void raven_pcihost_initfn(Object *obj)
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{
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PCIHostState *h = PCI_HOST_BRIDGE(obj);
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PREPPCIState *s = RAVEN_PCI_HOST_BRIDGE(obj);
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MemoryRegion *address_space_mem = get_system_memory();
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MemoryRegion *address_space_io = get_system_io();
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DeviceState *pci_dev;
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pci_bus_new_inplace(&s->pci_bus, DEVICE(obj), NULL,
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address_space_mem, address_space_io, 0);
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h->bus = &s->pci_bus;
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object_initialize(&s->pci_dev, TYPE_RAVEN_PCI_DEVICE);
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pci_dev = DEVICE(&s->pci_dev);
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qdev_set_parent_bus(pci_dev, BUS(&s->pci_bus));
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object_property_set_int(OBJECT(&s->pci_dev), PCI_DEVFN(0, 0), "addr",
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NULL);
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qdev_prop_set_bit(pci_dev, "multifunction", false);
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}
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static int raven_init(PCIDevice *d)
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@ -176,7 +199,7 @@ static void raven_class_init(ObjectClass *klass, void *data)
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}
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static const TypeInfo raven_info = {
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.name = "raven",
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.name = TYPE_RAVEN_PCI_DEVICE,
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.parent = TYPE_PCI_DEVICE,
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.instance_size = sizeof(RavenPCIState),
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.class_init = raven_class_init,
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@ -196,6 +219,7 @@ static const TypeInfo raven_pcihost_info = {
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.name = TYPE_RAVEN_PCI_HOST_BRIDGE,
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.parent = TYPE_PCI_HOST_BRIDGE,
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.instance_size = sizeof(PREPPCIState),
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.instance_init = raven_pcihost_initfn,
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.class_init = raven_pcihost_class_init,
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};
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