static uint8_t qpci_spapr_io_readb(QPCIBus *bus, void *addr) { QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus); uint64_t port = (uintptr_t)addr; uint8_t v; if (port < s->pio.size) { v = readb(s->pio_cpu_base + port); } else { v = readb(s->mmio_cpu_base + port); } return v; }