1 /* 2 * QEMU Xen PV Machine 3 * 4 * Copyright (c) 2007 Red Hat 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include "qemu/error-report.h" 27 #include "hw/boards.h" 28 #include "hw/xen/xen-legacy-backend.h" 29 #include "hw/xen/xen-bus.h" 30 #include "sysemu/block-backend.h" 31 #include "sysemu/sysemu.h" 32 33 static void xen_init_pv(MachineState *machine) 34 { 35 setup_xen_backend_ops(); 36 37 /* Initialize backend core & drivers */ 38 xen_be_init(); 39 40 switch (xen_mode) { 41 case XEN_ATTACH: 42 /* nothing to do, libxl handles everything */ 43 break; 44 case XEN_EMULATE: 45 error_report("xen emulation not implemented (yet)"); 46 exit(1); 47 break; 48 default: 49 error_report("unhandled xen_mode %d", xen_mode); 50 exit(1); 51 break; 52 } 53 54 xen_be_register("vfb", &xen_framebuffer_ops); 55 56 /* configure framebuffer */ 57 if (vga_interface_type == VGA_XENFB) { 58 xen_config_dev_vfb(0, "vnc"); 59 xen_config_dev_vkbd(0); 60 vga_interface_created = true; 61 } 62 63 xen_bus_init(); 64 65 /* config cleanup hook */ 66 atexit(xen_config_cleanup); 67 } 68 69 static void xenpv_machine_init(MachineClass *mc) 70 { 71 mc->desc = "Xen Para-virtualized PC"; 72 mc->init = xen_init_pv; 73 mc->max_cpus = 1; 74 mc->default_machine_opts = "accel=xen"; 75 } 76 77 DEFINE_MACHINE("xenpv", xenpv_machine_init) 78