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piix: use 64 bit window programmed by guest

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Detect the 64 bit window programmed by firmware
and configure properties accordingly.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-09-02 12:58:57 +03:00
parent 8b42d730e3
commit 2028fdf379
1 changed files with 10 additions and 4 deletions
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14
hw/pci-host/piix.c
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@ -235,18 +235,24 @@ static void i440fx_pcihost_get_pci_hole64_start(Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
PCIHostState *h = PCI_HOST_BRIDGE(obj);
Range w64;
visit_type_uint64(v, &s->pci_info.w64.begin, name, errp);
pci_bus_get_w64_range(h->bus, &w64);
visit_type_uint64(v, &w64.begin, name, errp);
}
static void i440fx_pcihost_get_pci_hole64_end(Object *obj, Visitor *v,
void *opaque, const char *name,
Error **errp)
{
I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
PCIHostState *h = PCI_HOST_BRIDGE(obj);
Range w64;
visit_type_uint64(v, &s->pci_info.w64.end, name, errp);
pci_bus_get_w64_range(h->bus, &w64);
visit_type_uint64(v, &w64.end, name, errp);
}
static void i440fx_pcihost_initfn(Object *obj)