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pci: add pci_address_space_io()

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Returns the I/O address space.  Useful for implementing
PCI-ISA bridge devices.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Richard Henderson 2011-08-10 15:28:10 -07:00 committed by Avi Kivity
parent 1ce9ce6a61
commit e11d64390b
2 changed files with 6 additions and 0 deletions
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5
hw/pci.c
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@ -2124,3 +2124,8 @@ MemoryRegion *pci_address_space(PCIDevice *dev)
{ {
return dev->bus->address_space_mem; return dev->bus->address_space_mem;
} }
MemoryRegion *pci_address_space_io(PCIDevice *dev)
{
return dev->bus->address_space_io;
}

1
hw/pci.h
View File

@ -218,6 +218,7 @@ void pci_default_write_config(PCIDevice *d,
void pci_device_save(PCIDevice *s, QEMUFile *f); void pci_device_save(PCIDevice *s, QEMUFile *f);
int pci_device_load(PCIDevice *s, QEMUFile *f); int pci_device_load(PCIDevice *s, QEMUFile *f);
MemoryRegion *pci_address_space(PCIDevice *dev); MemoryRegion *pci_address_space(PCIDevice *dev);
MemoryRegion *pci_address_space_io(PCIDevice *dev);
typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level); typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num); typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);