void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space, MemoryRegion *address_space_io, bool init_vga_ports) { MemoryRegion *vga_io_memory; const MemoryRegionPortio *vga_ports, *vbe_ports; PortioList *vga_port_list = g_new(PortioList, 1); PortioList *vbe_port_list = g_new(PortioList, 1); qemu_register_reset(vga_reset, s); s->bank_offset = 0; s->legacy_address_space = address_space; vga_io_memory = vga_init_io(s, obj, &vga_ports, &vbe_ports); memory_region_add_subregion_overlap(address_space, isa_mem_base + 0x000a0000, vga_io_memory, 1); memory_region_set_coalescing(vga_io_memory); if (init_vga_ports) { portio_list_init(vga_port_list, obj, vga_ports, s, "vga"); portio_list_set_flush_coalesced(vga_port_list); portio_list_add(vga_port_list, address_space_io, 0x3b0); } if (vbe_ports) { portio_list_init(vbe_port_list, obj, vbe_ports, s, "vbe"); portio_list_add(vbe_port_list, address_space_io, 0x1ce); } }