If xres / yres were specified in QEMU command line, write them as an initial resolution to the fw-config space on guest reset, which a later BIOS / OVMF patch can take advantage of. Signed-off-by: HOU Qiming <hqm03ster@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Message-id: 20190513115731.17588-4-marcel.apfelbaum@gmail.com [fixed malformed patch] Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/loader.h"
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#include "hw/isa/isa.h"
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#include "hw/display/ramfb.h"
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#include "ui/console.h"
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#include "sysemu/sysemu.h"
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#define RAMFB(obj) OBJECT_CHECK(RAMFBStandaloneState, (obj), TYPE_RAMFB_DEVICE)
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typedef 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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uint32_t xres;
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uint32_t yres;
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} RAMFBStandaloneState;
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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(dev, errp);
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}
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static Property ramfb_properties[] = {
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DEFINE_PROP_UINT32("xres", RAMFBStandaloneState, xres, 0),
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DEFINE_PROP_UINT32("yres", RAMFBStandaloneState, yres, 0),
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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->realize = ramfb_realizefn;
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dc->props = ramfb_properties;
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dc->desc = "ram framebuffer standalone device";
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dc->user_creatable = true;
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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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