8f04ee0882
This converts two devices at once because PIC subclasses ISA and converting subclasses independently is extremely hard. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* QEMU dummy ISA device for loading sgabios option rom.
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*
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* Copyright (c) 2011 Glauber Costa, Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* sgabios code originally available at code.google.com/p/sgabios
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*
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*/
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#include "pci.h"
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#include "pc.h"
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#include "loader.h"
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#include "sysemu.h"
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#define SGABIOS_FILENAME "sgabios.bin"
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typedef struct ISAGAState {
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ISADevice dev;
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} ISASGAState;
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static int sga_initfn(ISADevice *dev)
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{
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rom_add_vga(SGABIOS_FILENAME);
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return 0;
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}
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static void sga_class_initfn(ObjectClass *klass, void *data)
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{
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ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
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ic->init = sga_initfn;
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}
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static DeviceInfo sga_info = {
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.name = "sga",
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.desc = "Serial Graphics Adapter",
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.size = sizeof(ISASGAState),
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.class_init = sga_class_initfn,
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};
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static void sga_register(void)
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{
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isa_qdev_register(&sga_info);
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}
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device_init(sga_register);
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