From c397a2d3e45ea72d2513d95c4e5d148fbc301131 Mon Sep 17 00:00:00 2001 From: Bernhard Beschow Date: Fri, 3 Jun 2022 20:50:38 +0200 Subject: [PATCH] hw/isa/piix4: QOM'ify PCI device creation and wiring MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Mark Cave-Ayland Message-Id: <20220603185045.143789-5-shentey@gmail.com> Signed-off-by: Philippe Mathieu-Daudé --- hw/isa/piix4.c | 30 ++++++++++++++++++++++-------- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index 18aa24424f..058bebb5e2 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -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; } -- 2.11.0