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hw/isa/piix4: QOM'ify PCI device creation and wiring

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PCI interrupt wiring and device creation were performed in create()
functions which are obsolete. Move these tasks into QOM functions to
modernize the code.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20220603185045.143789-5-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Bernhard Beschow 2022-06-03 20:50:38 +02:00 • committed by Philippe Mathieu-Daudé
parent 87e010d6d6
commit c397a2d3e4
1 changed files with 22 additions and 8 deletions
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30
hw/isa/piix4.c
View file

@ -35,6 +35,7 @@
#include "hw/rtc/mc146818rtc.h"
#include "hw/ide/pci.h"
#include "hw/acpi/piix4.h"
#include "hw/usb/hcd-uhci.h"
#include "migration/vmstate.h"
#include "sysemu/reset.h"
#include "sysemu/runstate.h"
@ -46,6 +47,8 @@ struct PIIX4State {
qemu_irq *isa;
RTCState rtc;
PCIIDEState ide;
UHCIState uhci;
/* Reset Control Register */
MemoryRegion rcr_mem;
uint8_t rcr;
@ -205,6 +208,7 @@ static const MemoryRegionOps piix4_rcr_ops = {
static void piix4_realize(PCIDevice *dev, Error **errp)
{
PIIX4State *s = PIIX4_PCI_DEVICE(dev);
PCIBus *pci_bus = pci_get_bus(dev);
ISABus *isa_bus;
qemu_irq *i8259_out_irq;
@ -243,6 +247,21 @@ static void piix4_realize(PCIDevice *dev, Error **errp)
return;
}
s->rtc.irq = isa_get_irq(ISA_DEVICE(&s->rtc), s->rtc.isairq);
/* IDE */
qdev_prop_set_int32(DEVICE(&s->ide), "addr", dev->devfn + 1);
if (!qdev_realize(DEVICE(&s->ide), BUS(pci_bus), errp)) {
return;
}
pci_ide_create_devs(PCI_DEVICE(&s->ide));
/* USB */
qdev_prop_set_int32(DEVICE(&s->uhci), "addr", dev->devfn + 2);
if (!qdev_realize(DEVICE(&s->uhci), BUS(pci_bus), errp)) {
return;
}
pci_bus_irqs(pci_bus, piix4_set_irq, pci_slot_get_pirq, s, PIIX_NUM_PIRQS);
}
static void piix4_init(Object *obj)
@ -250,6 +269,8 @@ static void piix4_init(Object *obj)
PIIX4State *s = PIIX4_PCI_DEVICE(obj);
object_initialize_child(obj, "rtc", &s->rtc, TYPE_MC146818_RTC);
object_initialize_child(obj, "ide", &s->ide, "piix4-ide");
object_initialize_child(obj, "uhci", &s->uhci, "piix4-usb-uhci");
}
static void piix4_class_init(ObjectClass *klass, void *data)
@ -293,7 +314,6 @@ type_init(piix4_register_types)
DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
{
PIIX4State *s;
PCIDevice *pci;
DeviceState *dev;
int devfn = PCI_DEVFN(10, 0);
@ -301,15 +321,11 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
pci = pci_create_simple_multifunction(pci_bus, devfn, true,
TYPE_PIIX4_PCI_DEVICE);
dev = DEVICE(pci);
s = PIIX4_PCI_DEVICE(pci);
if (isa_bus) {
*isa_bus = ISA_BUS(qdev_get_child_bus(dev, "isa.0"));
}
pci = pci_create_simple(pci_bus, devfn + 1, "piix4-ide");
pci_ide_create_devs(pci);
pci_create_simple(pci_bus, devfn + 2, "piix4-usb-uhci");
if (smbus) {
pci = pci_new(devfn + 3, TYPE_PIIX4_PM);
qdev_prop_set_uint32(DEVICE(pci), "smb_io_base", 0x1100);
@ -320,7 +336,5 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
*smbus = I2C_BUS(qdev_get_child_bus(DEVICE(pci), "i2c"));
}
pci_bus_irqs(pci_bus, piix4_set_irq, pci_slot_get_pirq, s, PIIX_NUM_PIRQS);
return dev;
}