From c84858fd907067dcfb7624083dd44879664cc019 Mon Sep 17 00:00:00 2001 From: Bernhard Beschow Date: Fri, 30 Jun 2023 09:37:16 +0200 Subject: hw/pci-host/i440fx: Add PCI_HOST_PROP_IO_MEM property Introduce the property in anticipation of QOM'ification; Q35 has the same property. Signed-off-by: Bernhard Beschow Message-Id: <20230630073720.21297-14-shentey@gmail.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/pci-host/i440fx.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'hw') diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c index b9530fc3a0..de14c75e95 100644 --- a/hw/pci-host/i440fx.c +++ b/hw/pci-host/i440fx.c @@ -27,7 +27,6 @@ #include "qemu/range.h" #include "hw/i386/pc.h" #include "hw/pci/pci.h" -#include "hw/pci/pci_bus.h" #include "hw/pci/pci_host.h" #include "hw/pci-host/i440fx.h" #include "hw/qdev-properties.h" @@ -49,6 +48,7 @@ struct I440FXState { PCIHostState parent_obj; MemoryRegion *system_memory; + MemoryRegion *io_memory; MemoryRegion *pci_address_space; MemoryRegion *ram_memory; Range pci_hole; @@ -237,17 +237,22 @@ static void i440fx_pcihost_initfn(Object *obj) object_property_add_link(obj, PCI_HOST_PROP_SYSTEM_MEM, TYPE_MEMORY_REGION, (Object **) &s->system_memory, qdev_prop_allow_set_link_before_realize, 0); + + object_property_add_link(obj, PCI_HOST_PROP_IO_MEM, TYPE_MEMORY_REGION, + (Object **) &s->io_memory, + qdev_prop_allow_set_link_before_realize, 0); } static void i440fx_pcihost_realize(DeviceState *dev, Error **errp) { + I440FXState *s = I440FX_PCI_HOST_BRIDGE(dev); PCIHostState *phb = PCI_HOST_BRIDGE(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - memory_region_add_subregion(phb->bus->address_space_io, 0xcf8, &phb->conf_mem); + memory_region_add_subregion(s->io_memory, 0xcf8, &phb->conf_mem); sysbus_init_ioports(sbd, 0xcf8, 4); - memory_region_add_subregion(phb->bus->address_space_io, 0xcfc, &phb->data_mem); + memory_region_add_subregion(s->io_memory, 0xcfc, &phb->data_mem); sysbus_init_ioports(sbd, 0xcfc, 4); /* register i440fx 0xcf8 port as coalesced pio */ @@ -273,11 +278,12 @@ PCIBus *i440fx_init(const char *pci_type, unsigned i; s->system_memory = address_space_mem; + s->io_memory = address_space_io; s->pci_address_space = pci_address_space; s->ram_memory = ram_memory; b = pci_root_bus_new(dev, NULL, s->pci_address_space, - address_space_io, 0, TYPE_PCI_BUS); + s->io_memory, 0, TYPE_PCI_BUS); phb->bus = b; sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); -- cgit v1.2.3