static void vga_isa_realizefn(DeviceState *dev, Error **errp) { ISADevice *isadev = ISA_DEVICE(dev); ISAVGAState *d = ISA_VGA(dev); VGACommonState *s = &d->state; MemoryRegion *vga_io_memory; const MemoryRegionPortio *vga_ports, *vbe_ports; vga_common_init(s, OBJECT(dev), true); s->legacy_address_space = isa_address_space(isadev); vga_io_memory = vga_init_io(s, OBJECT(dev), &vga_ports, &vbe_ports); isa_register_portio_list(isadev, 0x3b0, vga_ports, s, "vga"); if (vbe_ports) { isa_register_portio_list(isadev, 0x1ce, vbe_ports, s, "vbe"); } memory_region_add_subregion_overlap(isa_address_space(isadev), 0x000a0000, vga_io_memory, 1); memory_region_set_coalescing(vga_io_memory); s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s); vga_init_vbe(s, OBJECT(dev), isa_address_space(isadev)); /* ROM BIOS */ rom_add_vga(VGABIOS_FILENAME); }