NetBSD rev. 1.4 (addition of the OFW_PCI_PHYS_HI_BUS macro) had already been merged prior to adding this file to FreeBSD (with the 1.3 tag though).
2. Add OF_getprop_alloc(), a helper function that will malloc() a sufficient amount of memory and then retrieve a property value into it. Approved by: benno Obtained from: NetBSD (1)