f0613160d2
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231221031652.119827-27-richard.henderson@linaro.org>
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
#include "qemu/osdep.h"
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#include "migration/vmstate.h"
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#include "qapi/error.h"
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#include "qemu/module.h"
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#include "hw/loader.h"
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#include "hw/qdev-properties.h"
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#include "hw/display/ramfb.h"
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#include "ui/console.h"
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#include "qom/object.h"
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typedef struct RAMFBStandaloneState RAMFBStandaloneState;
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DECLARE_INSTANCE_CHECKER(RAMFBStandaloneState, RAMFB,
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TYPE_RAMFB_DEVICE)
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struct RAMFBStandaloneState {
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SysBusDevice parent_obj;
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QemuConsole *con;
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RAMFBState *state;
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bool migrate;
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};
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static void display_update_wrapper(void *dev)
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{
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RAMFBStandaloneState *ramfb = RAMFB(dev);
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if (0 /* native driver active */) {
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/* non-standalone device would run native display update here */;
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} else {
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ramfb_display_update(ramfb->con, ramfb->state);
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}
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}
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static const GraphicHwOps wrapper_ops = {
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.gfx_update = display_update_wrapper,
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};
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static void ramfb_realizefn(DeviceState *dev, Error **errp)
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{
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RAMFBStandaloneState *ramfb = RAMFB(dev);
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ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
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ramfb->state = ramfb_setup(errp);
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}
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static bool migrate_needed(void *opaque)
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{
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RAMFBStandaloneState *ramfb = RAMFB(opaque);
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return ramfb->migrate;
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}
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static const VMStateDescription ramfb_dev_vmstate = {
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.name = "ramfb-dev",
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.version_id = 1,
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.minimum_version_id = 1,
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.needed = migrate_needed,
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.fields = (const VMStateField[]) {
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VMSTATE_STRUCT_POINTER(state, RAMFBStandaloneState, ramfb_vmstate, RAMFBState),
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VMSTATE_END_OF_LIST()
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}
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};
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static Property ramfb_properties[] = {
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DEFINE_PROP_BOOL("x-migrate", RAMFBStandaloneState, migrate, true),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void ramfb_class_initfn(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
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dc->vmsd = &ramfb_dev_vmstate;
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dc->realize = ramfb_realizefn;
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dc->desc = "ram framebuffer standalone device";
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dc->user_creatable = true;
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device_class_set_props(dc, ramfb_properties);
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}
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static const TypeInfo ramfb_info = {
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.name = TYPE_RAMFB_DEVICE,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(RAMFBStandaloneState),
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.class_init = ramfb_class_initfn,
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};
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static void ramfb_register_types(void)
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{
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type_register_static(&ramfb_info);
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}
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type_init(ramfb_register_types)
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