qemu/hw/misc/sga.c
Daniel P. Berrangé 7c8d295b27 hw/misc: deprecate the 'sga' device
This is obsolete since SeaBIOS 1.11.0 introduced native support for
sending messages to the serial console. The new support can be
activated using -machine graphics=off on x86 targets.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210909123219.862652-1-berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-11-02 17:24:18 +01:00

71 lines
2.2 KiB
C

/*
* QEMU dummy ISA device for loading sgabios option rom.
*
* Copyright (c) 2011 Glauber Costa, Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* sgabios code originally available at code.google.com/p/sgabios
*
*/
#include "qemu/osdep.h"
#include "hw/isa/isa.h"
#include "hw/loader.h"
#include "qemu/module.h"
#include "qom/object.h"
#include "qemu/error-report.h"
#define SGABIOS_FILENAME "sgabios.bin"
#define TYPE_SGA "sga"
OBJECT_DECLARE_SIMPLE_TYPE(ISASGAState, SGA)
struct ISASGAState {
ISADevice parent_obj;
};
static void sga_realizefn(DeviceState *dev, Error **errp)
{
warn_report("-device sga is deprecated, use -machine graphics=off");
rom_add_vga(SGABIOS_FILENAME);
}
static void sga_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
dc->realize = sga_realizefn;
dc->desc = "Serial Graphics Adapter";
}
static const TypeInfo sga_info = {
.name = TYPE_SGA,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(ISASGAState),
.class_init = sga_class_initfn,
};
static void sga_register_types(void)
{
type_register_static(&sga_info);
}
type_init(sga_register_types)