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qemu: warn if PCI region is not power of two (Marcelo Tosatti) 

Otherwise the PCI size for such regions can be calculated erroneously.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6604 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-02-11 15:21:16 +00:00
parent 5851e08cb8
commit a4c20c6a54
1 changed files with 7 additions and 0 deletions
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7
hw/pci.c
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@ -247,6 +247,13 @@ void pci_register_io_region(PCIDevice *pci_dev, int region_num,
if ((unsigned int)region_num >= PCI_NUM_REGIONS)
return;
if (size & (size-1)) {
fprintf(stderr, "ERROR: PCI region size must be pow2 "
"type=0x%x, size=0x%x\n", type, size);
exit(1);
}
r = &pci_dev->io_regions[region_num];
r->addr = -1;
r->size = size;