+ if (!console_set_on_cmdline && !xen_initial_domain())
+ add_preferred_console("hvc", 0, NULL);
+}
+
+static int __init xen_guest_init(void)
+{
+ struct xen_add_to_physmap xatp;
+ struct shared_info *shared_info_page = NULL;
+ struct resource res;
+ phys_addr_t grant_frames;
+
+ if (!xen_domain())
+ return 0;
+
+ if (of_address_to_resource(xen_node, GRANT_TABLE_PHYSADDR, &res)) {
+ pr_err("Xen grant table base address not found\n");
+ return -ENODEV;
+ }
+ grant_frames = res.start;
+
+ xen_events_irq = irq_of_parse_and_map(xen_node, 0);
+ if (!xen_events_irq) {
+ pr_err("Xen event channel interrupt not found\n");
+ return -ENODEV;
+ }
+
+ shared_info_page = (struct shared_info *)get_zeroed_page(GFP_KERNEL);
+