| /* |
| * BRLTTY - A background process providing access to the console screen (when in |
| * text mode) for a blind person using a refreshable braille display. |
| * |
| * Copyright (C) 1995-2023 by The BRLTTY Developers. |
| * |
| * BRLTTY comes with ABSOLUTELY NO WARRANTY. |
| * |
| * This is free software, placed under the terms of the |
| * GNU Lesser General Public License, as published by the Free Software |
| * Foundation; either version 2.1 of the License, or (at your option) any |
| * later version. Please see the file LICENSE-LGPL for details. |
| * |
| * Web Page: http://brltty.app/ |
| * |
| * This software is maintained by Dave Mielke <dave@mielke.cc>. |
| */ |
| |
| #include "prologue.h" |
| |
| #include <grub/cpu/io.h> |
| |
| #include "ports.h" |
| |
| int |
| enablePorts (int errorLevel, unsigned short int base, unsigned short int count) { |
| return 1; |
| } |
| |
| int |
| disablePorts (unsigned short int base, unsigned short int count) { |
| return 1; |
| } |
| |
| unsigned char |
| readPort1 (unsigned short int port) { |
| return grub_inb(port); |
| } |
| |
| void |
| writePort1 (unsigned short int port, unsigned char value) { |
| grub_outb(value, port); |
| } |