LXR qemu/hw/display/ramfb-standalone.c

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