diff --git a/Makefile.target b/Makefile.target index 8b6e27137b..5c22df8b47 100644 --- a/Makefile.target +++ b/Makefile.target @@ -231,7 +231,7 @@ obj-$(CONFIG_IVSHMEM) += ivshmem.o # Hardware support obj-i386-y += vga.o obj-i386-y += mc146818rtc.o i8259.o pc.o -obj-i386-y += cirrus_vga.o apic.o ioapic.o piix_pci.o +obj-i386-y += cirrus_vga.o sga.o apic.o ioapic.o piix_pci.o obj-i386-y += vmport.o obj-i386-y += device-hotplug.o pci-hotplug.o smbios.o wdt_ib700.o obj-i386-y += debugcon.o multiboot.o diff --git a/hw/pc.c b/hw/pc.c index 810619756b..a3e8539dc6 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -1070,6 +1070,15 @@ void pc_vga_init(PCIBus *pci_bus) isa_vga_init(); } } + + /* + * sga does not suppress normal vga output. So a machine can have both a + * vga card and sga manually enabled. Output will be seen on both. + * For nographic case, sga is enabled at all times + */ + if (display_type == DT_NOGRAPHIC) { + isa_create_simple("sga"); + } } static void cpu_request_exit(void *opaque, int irq, int level) diff --git a/hw/sga.c b/hw/sga.c new file mode 100644 index 0000000000..7ef750adf6 --- /dev/null +++ b/hw/sga.c @@ -0,0 +1,56 @@ +/* + * 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 "pci.h" +#include "pc.h" +#include "loader.h" +#include "sysemu.h" + +#define SGABIOS_FILENAME "sgabios.bin" + +typedef struct ISAGAState { + ISADevice dev; +} ISASGAState; + +static int isa_cirrus_vga_initfn(ISADevice *dev) +{ + rom_add_vga(SGABIOS_FILENAME); + return 0; +} + +static ISADeviceInfo sga_info = { + .qdev.name = "sga", + .qdev.desc = "Serial Graphics Adapter", + .qdev.size = sizeof(ISASGAState), + .init = isa_cirrus_vga_initfn, +}; + +static void sga_register(void) +{ + isa_qdev_register(&sga_info); +} + +device_init(sga_register);