1 #include "qemu/osdep.h" 2 #include "qapi/error.h" 3 #include "hw/loader.h" 4 #include "hw/isa/isa.h" 5 #include "hw/display/ramfb.h" 6 #include "ui/console.h" 7 #include "sysemu/sysemu.h" 8 9 #define RAMFB(obj) OBJECT_CHECK(RAMFBStandaloneState, (obj), TYPE_RAMFB_DEVICE) 10 11 typedef struct RAMFBStandaloneState { 12 SysBusDevice parent_obj; 13 QemuConsole *con; 14 RAMFBState *state; 15 } RAMFBStandaloneState; 16 17 static void display_update_wrapper(void *dev) 18 { 19 RAMFBStandaloneState *ramfb = RAMFB(dev); 20 21 if (0 /* native driver active */) { 22 /* non-standalone device would run native display update here */; 23 } else { 24 ramfb_display_update(ramfb->con, ramfb->state); 25 } 26 } 27 28 static const GraphicHwOps wrapper_ops = { 29 .gfx_update = display_update_wrapper, 30 }; 31 32 static void ramfb_realizefn(DeviceState *dev, Error **errp) 33 { 34 RAMFBStandaloneState *ramfb = RAMFB(dev); 35 36 ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev); 37 ramfb->state = ramfb_setup(errp); 38 } 39 40 static void ramfb_class_initfn(ObjectClass *klass, void *data) 41 { 42 DeviceClass *dc = DEVICE_CLASS(klass); 43 44 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 45 dc->realize = ramfb_realizefn; 46 dc->desc = "ram framebuffer standalone device"; 47 dc->user_creatable = true; 48 } 49 50 static const TypeInfo ramfb_info = { 51 .name = TYPE_RAMFB_DEVICE, 52 .parent = TYPE_SYS_BUS_DEVICE, 53 .instance_size = sizeof(RAMFBStandaloneState), 54 .class_init = ramfb_class_initfn, 55 }; 56 57 static void ramfb_register_types(void) 58 { 59 type_register_static(&ramfb_info); 60 } 61 62 type_init(ramfb_register_types) 63