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hw/display: add standalone ramfb device

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 20180613122948.18149-3-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2018-06-13 14:29:46 +02:00
parent 995b30179b
commit 94692dcd71
7 changed files with 79 additions and 0 deletions
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62
hw/display/ramfb-standalone.c Normal file
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#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/loader.h"
#include "hw/isa/isa.h"
#include "hw/display/ramfb.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"
#define RAMFB(obj) OBJECT_CHECK(RAMFBStandaloneState, (obj), TYPE_RAMFB_DEVICE)
typedef struct RAMFBStandaloneState {
SysBusDevice parent_obj;
QemuConsole *con;
RAMFBState *state;
} RAMFBStandaloneState;
static void display_update_wrapper(void *dev)
{
RAMFBStandaloneState *ramfb = RAMFB(dev);
if (0 /* native driver active */) {
/* non-standalone device would run native display update here */;
} else {
ramfb_display_update(ramfb->con, ramfb->state);
}
}
static const GraphicHwOps wrapper_ops = {
.gfx_update = display_update_wrapper,
};
static void ramfb_realizefn(DeviceState *dev, Error **errp)
{
RAMFBStandaloneState *ramfb = RAMFB(dev);
ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
ramfb->state = ramfb_setup(errp);
}
static void ramfb_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
dc->realize = ramfb_realizefn;
dc->desc = "ram framebuffer standalone device";
dc->user_creatable = true;
}
static const TypeInfo ramfb_info = {
.name = TYPE_RAMFB_DEVICE,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(RAMFBStandaloneState),
.class_init = ramfb_class_initfn,
};
static void ramfb_register_types(void)
{
type_register_static(&ramfb_info);
}
type_init(ramfb_register_types)