diff options
Diffstat (limited to 'hw/vga.c')
| -rw-r--r-- | hw/vga.c | 73 |
1 files changed, 42 insertions, 31 deletions
@@ -2241,40 +2241,39 @@ void vga_common_init(VGACommonState *s, int vga_ram_size) vga_dirty_log_start(s); } -/* used by both ISA and PCI */ -MemoryRegion *vga_init_io(VGACommonState *s) -{ - MemoryRegion *vga_mem; - - register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s); - - register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s); - register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s); - register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s); - register_ioport_write(0x3da, 1, 1, vga_ioport_write, s); - - register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s); - - register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s); - register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s); - register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s); - register_ioport_read(0x3da, 1, 1, vga_ioport_read, s); +static const MemoryRegionPortio vga_portio_list[] = { + { 0x04, 2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3b4 */ + { 0x0a, 1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3ba */ + { 0x10, 16, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3c0 */ + { 0x24, 2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3d4 */ + { 0x2a, 1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3da */ + PORTIO_END_OF_LIST(), +}; #ifdef CONFIG_BOCHS_VBE -#if defined (TARGET_I386) - register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s); - register_ioport_read(0x1cf, 1, 2, vbe_ioport_read_data, s); +static const MemoryRegionPortio vbe_portio_list[] = { + { 0, 1, 2, .read = vbe_ioport_read_index, .write = vbe_ioport_write_index }, +# ifdef TARGET_I386 + { 1, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data }, +# else + { 2, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data }, +# endif + PORTIO_END_OF_LIST(), +}; +#endif /* CONFIG_BOCHS_VBE */ - register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s); - register_ioport_write(0x1cf, 1, 2, vbe_ioport_write_data, s); -#else - register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s); - register_ioport_read(0x1d0, 1, 2, vbe_ioport_read_data, s); +/* Used by both ISA and PCI */ +MemoryRegion *vga_init_io(VGACommonState *s, + const MemoryRegionPortio **vga_ports, + const MemoryRegionPortio **vbe_ports) +{ + MemoryRegion *vga_mem; - register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s); - register_ioport_write(0x1d0, 1, 2, vbe_ioport_write_data, s); + *vga_ports = vga_portio_list; + *vbe_ports = NULL; +#ifdef CONFIG_BOCHS_VBE + *vbe_ports = vbe_portio_list; #endif -#endif /* CONFIG_BOCHS_VBE */ vga_mem = g_malloc(sizeof(*vga_mem)); memory_region_init_io(vga_mem, &vga_mem_ops, s, @@ -2283,9 +2282,13 @@ MemoryRegion *vga_init_io(VGACommonState *s) return vga_mem; } -void vga_init(VGACommonState *s, MemoryRegion *address_space) +void vga_init(VGACommonState *s, 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); @@ -2293,12 +2296,20 @@ void vga_init(VGACommonState *s, MemoryRegion *address_space) s->legacy_address_space = address_space; - vga_io_memory = vga_init_io(s); + vga_io_memory = vga_init_io(s, &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, vga_ports, s, "vga"); + portio_list_add(vga_port_list, address_space_io, 0x3b0); + } + if (vbe_ports) { + portio_list_init(vbe_port_list, vbe_ports, s, "vbe"); + portio_list_add(vbe_port_list, address_space_io, 0x1ce); + } } void vga_init_vbe(VGACommonState *s, MemoryRegion *system_memory) |