static void cpu_ioreq_pio(ioreq_t *req) { int i, sign; sign = req->df ? -1 : 1; if (req->dir == IOREQ_READ) { if (!req->data_is_ptr) { req->data = do_inp(req->addr, req->size); } else { uint32_t tmp; for (i = 0; i < req->count; i++) { tmp = do_inp(req->addr, req->size); cpu_physical_memory_write( req->data + (sign * i * (int64_t)req->size), (uint8_t *) &tmp, req->size); } } } else if (req->dir == IOREQ_WRITE) { if (!req->data_is_ptr) { do_outp(req->addr, req->size, req->data); } else { for (i = 0; i < req->count; i++) { uint32_t tmp = 0; cpu_physical_memory_read( req->data + (sign * i * (int64_t)req->size), (uint8_t*) &tmp, req->size); do_outp(req->addr, req->size, tmp); } } } }