diff options
Diffstat (limited to 'qemu/hw/misc/sga.c')
-rw-r--r-- | qemu/hw/misc/sga.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/qemu/hw/misc/sga.c b/qemu/hw/misc/sga.c new file mode 100644 index 000000000..83d2fd9d3 --- /dev/null +++ b/qemu/hw/misc/sga.c @@ -0,0 +1,67 @@ +/* + * 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 "hw/pci/pci.h" +#include "hw/i386/pc.h" +#include "hw/loader.h" +#include "sysemu/sysemu.h" + +#define SGABIOS_FILENAME "sgabios.bin" + +#define TYPE_SGA "sga" +#define SGA(obj) OBJECT_CHECK(ISASGAState, (obj), TYPE_SGA) + +typedef struct ISASGAState { + ISADevice parent_obj; +} ISASGAState; + +static void sga_realizefn(DeviceState *dev, Error **errp) +{ + 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) |