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pci: for io address use the corresponding mask for flags.

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This commit is contained in:
Jérôme Duval 2013-06-18 18:28:19 +02:00
parent 786a38f555
commit e2a87acacd
1 changed files with 7 additions and 3 deletions
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10
src/add-ons/kernel/bus_managers/pci/pci.cpp
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@ -1185,11 +1185,15 @@ PCI::_GetBarInfo(PCIDev *dev, uint8 offset, uint32 *_address, uint32 *_size,
WriteConfig(dev->domain, dev->bus, dev->device, dev->function, offset, 4,
oldValue);
*_address = oldValue & PCI_address_memory_32_mask;
uint32 mask = PCI_address_memory_32_mask;
if ((oldValue & PCI_address_space) == PCI_address_space)
mask = PCI_address_io_mask;
*_address = oldValue & mask;
if (_size != NULL)
*_size = _BarSize(newValue, PCI_address_memory_32_mask);
*_size = _BarSize(newValue, mask);
if (_flags != NULL)
*_flags = newValue & 0xf;
*_flags = newValue & ~mask;
}