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pci: fix up w64 size calculation helper 

BAR base was calculated incorrectly.
Use existing pci_bar_address to get it right.

Tested-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-10-01 15:39:13 +03:00
parent e732ea6387
commit 77d6f4ea76
1 changed files with 12 additions and 8 deletions
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20
hw/pci/pci.c
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@ -2306,7 +2306,7 @@ static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque)
Range *range = opaque;
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
uint16_t cmd = pci_get_word(dev->config + PCI_COMMAND);
int r;
int i;
if (!(cmd & PCI_COMMAND_MEMORY)) {
return;
@ -2325,17 +2325,21 @@ static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque)
range_extend(range, &pref_range);
}
}
for (r = 0; r < PCI_NUM_REGIONS; ++r) {
PCIIORegion *region = &dev->io_regions[r];
for (i = 0; i < PCI_NUM_REGIONS; ++i) {
PCIIORegion *r = &dev->io_regions[i];
Range region_range;
if (!region->size ||
(region->type & PCI_BASE_ADDRESS_SPACE_IO) ||
!(region->type & PCI_BASE_ADDRESS_MEM_TYPE_64)) {
if (!r->size ||
(r->type & PCI_BASE_ADDRESS_SPACE_IO) ||
!(r->type & PCI_BASE_ADDRESS_MEM_TYPE_64)) {
continue;
}
region_range.begin = pci_bar_address(dev, i, r->type, r->size);
region_range.end = region_range.begin + r->size;
if (region_range.begin == PCI_BAR_UNMAPPED) {
continue;
}
region_range.begin = pci_get_quad(dev->config + pci_bar(dev, r));
region_range.end = region_range.begin + region->size;
region_range.begin = MAX(region_range.begin, 0x1ULL << 32);