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authorBernhard Beschow <shentey@gmail.com>2023-06-30 09:37:16 +0200
committerMichael S. Tsirkin <mst@redhat.com>2023-07-10 16:29:17 -0400
commitc84858fd907067dcfb7624083dd44879664cc019 (patch)
tree17bb2b42ab271f0f42eb88f43cca109e822dbdac /hw/pci-host
parent09f85b7b93a05f1551509b245be99529a9e278f9 (diff)
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 <shentey@gmail.com> Message-Id: <20230630073720.21297-14-shentey@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci-host')
-rw-r--r--hw/pci-host/i440fx.c14
1 files changed, 10 insertions, 4 deletions
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);