src/boot/efi/console.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /*
   3  * This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the GNU Lesser General Public License as published by
   5  * the Free Software Foundation; either version 2.1 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
  14  * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
  15  */
  16
  17 #ifndef __SDBOOT_CONSOLE_H
  18 #define __SDBOOT_CONSOLE_H
  19
  20 #define EFI_SHIFT_STATE_VALID           0x80000000
  21 #define EFI_RIGHT_CONTROL_PRESSED       0x00000004
  22 #define EFI_LEFT_CONTROL_PRESSED        0x00000008
  23 #define EFI_RIGHT_ALT_PRESSED           0x00000010
  24 #define EFI_LEFT_ALT_PRESSED            0x00000020
  25
  26 #define EFI_CONTROL_PRESSED             (EFI_RIGHT_CONTROL_PRESSED|EFI_LEFT_CONTROL_PRESSED)
  27 #define EFI_ALT_PRESSED                 (EFI_RIGHT_ALT_PRESSED|EFI_LEFT_ALT_PRESSED)
  28 #define KEYPRESS(keys, scan, uni) ((((UINT64)keys) << 32) | ((scan) << 16) | (uni))
  29 #define KEYCHAR(k) ((k) & 0xffff)
  30 #define CHAR_CTRL(c) ((c) - 'a' + 1)
  31
  32 EFI_STATUS console_key_read(UINT64 *key, BOOLEAN wait);
  33 #endif