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2009-09-24 Robert Millan <rmh.grub@aybabtu.com>

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* 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.
This commit is contained in:
robertmh 2009-09-24 13:15:51 +00:00
parent ff42022396
commit 74c958b180
3 changed files with 18 additions and 7 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2009-09-24 Robert Millan <rmh.grub@aybabtu.com>
* 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.
2009-09-23 Colin Watson <cjwatson@ubuntu.com>
* configure.ac: Call AC_PROG_MKDIR_P.

2
include/grub/i386/at_keyboard.h
View file

@ -39,7 +39,7 @@
#define KEYBOARD_SCANCODE_SET1 0x40
#define KEYBOARD_ISMAKE(x) !((x) & 0x80)
#define KEYBOARD_ISREADY(x) (((x) & 0x01) == 0)
#define KEYBOARD_ISREADY(x) ((x) & 0x01)
#define KEYBOARD_SCANCODE(x) ((x) & 0x7f)
#ifdef GRUB_MACHINE_IEEE1275

13
term/i386/pc/at_keyboard.c
View file

@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2007,2008 Free Software Foundation, Inc.
* Copyright (C) 2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -135,7 +135,7 @@ static int
grub_keyboard_getkey (void)
{
grub_uint8_t key;
if (KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)))
if (! KEYBOARD_ISREADY (grub_inb (KEYBOARD_REG_STATUS)))
return -1;
key = grub_inb (KEYBOARD_REG_DATA);
/* FIXME */ grub_keyboard_isr (key);
@ -146,7 +146,7 @@ grub_keyboard_getkey (void)
/* If there is a character pending, return it; otherwise return -1. */
static int
grub_at_keyboard_checkkey (void)
grub_at_keyboard_getkey_noblock (void)
{
int code, key;
code = grub_keyboard_getkey ();
@ -186,7 +186,7 @@ grub_at_keyboard_checkkey (void)
key += 'a' - 'A';
}
}
return (int) key;
return key;
}
static int
@ -195,7 +195,7 @@ grub_at_keyboard_getkey (void)
int key;
do
{
key = grub_at_keyboard_checkkey ();
key = grub_at_keyboard_getkey_noblock ();
} while (key == -1);
return key;
}
@ -220,7 +220,8 @@ static struct grub_term_input grub_at_keyboard_term =
.name = "at_keyboard",
.init = grub_keyboard_controller_init,
.fini = grub_keyboard_controller_fini,
.checkkey = grub_at_keyboard_checkkey,
/* FIXME: This routine flushes input buffer, and it shouldn't. */
.checkkey = grub_at_keyboard_getkey_noblock,
.getkey = grub_at_keyboard_getkey,
};