74c958b180
* include/grub/i386/at_keyboard.h (KEYBOARD_ISREADY): Negate
return value.
* term/i386/pc/at_keyboard.c (grub_keyboard_getkey): Negate
KEYBOARD_ISREADY check.
(grub_at_keyboard_checkkey): Rename to ...
(grub_at_keyboard_getkey_noblock): ... this. Update all users.
Remove gratuitous cast.
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007,2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_CPU_AT_KEYBOARD_HEADER
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#define GRUB_CPU_AT_KEYBOARD_HEADER 1
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#include <grub/machine/machine.h>
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#define SHIFT_L 0x2a
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#define SHIFT_R 0x36
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#define CTRL 0x1d
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#define ALT 0x38
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#define CAPS_LOCK 0x3a
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#define KEYBOARD_REG_DATA 0x60
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#define KEYBOARD_REG_STATUS 0x64
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/* Used for sending commands to the controller. */
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#define KEYBOARD_COMMAND_ISREADY(x) !((x) & 0x02)
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#define KEYBOARD_COMMAND_READ 0x20
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#define KEYBOARD_COMMAND_WRITE 0x60
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#define KEYBOARD_COMMAND_REBOOT 0xfe
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#define KEYBOARD_SCANCODE_SET1 0x40
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#define KEYBOARD_ISMAKE(x) !((x) & 0x80)
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#define KEYBOARD_ISREADY(x) ((x) & 0x01)
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#define KEYBOARD_SCANCODE(x) ((x) & 0x7f)
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#ifdef GRUB_MACHINE_IEEE1275
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#define OLPC_UP GRUB_TERM_UP
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#define OLPC_DOWN GRUB_TERM_DOWN
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#define OLPC_LEFT GRUB_TERM_LEFT
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#define OLPC_RIGHT GRUB_TERM_RIGHT
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#else
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#define OLPC_UP '\0'
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#define OLPC_DOWN '\0'
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#define OLPC_LEFT '\0'
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#define OLPC_RIGHT '\0'
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#endif
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#endif
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