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/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
  11typedef struct RAMFBStandaloneState {
  12    SysBusDevice parent_obj;
  13    QemuConsole *con;
  14    RAMFBState *state;
  15} RAMFBStandaloneState;
  16
  17static 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
  28static const GraphicHwOps wrapper_ops = {
  29    .gfx_update = display_update_wrapper,
  30};
  31
  32static 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
  40static 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
  50static 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
  57static void ramfb_register_types(void)
  58{
  59    type_register_static(&ramfb_info);
  60}
  61
  62type_init(ramfb_register_types)
  63