mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-04 13:23:26 +01:00
131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2002,2003,2005,2007,2008,2009 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
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/term.h>
|
|
#include <grub/err.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/env.h>
|
|
#include <grub/time.h>
|
|
|
|
struct grub_term_output *grub_term_outputs_disabled;
|
|
struct grub_term_input *grub_term_inputs_disabled;
|
|
struct grub_term_output *grub_term_outputs;
|
|
struct grub_term_input *grub_term_inputs;
|
|
|
|
/* Current color state. */
|
|
grub_uint8_t grub_term_normal_color = GRUB_TERM_DEFAULT_NORMAL_COLOR;
|
|
grub_uint8_t grub_term_highlight_color = GRUB_TERM_DEFAULT_HIGHLIGHT_COLOR;
|
|
|
|
void (*grub_term_poll_usb) (int wait_for_completion) = NULL;
|
|
void (*grub_net_poll_cards_idle) (void) = NULL;
|
|
|
|
/* Put a Unicode character. */
|
|
static void
|
|
grub_putcode_dumb (grub_uint32_t code,
|
|
struct grub_term_output *term)
|
|
{
|
|
struct grub_unicode_glyph c =
|
|
{
|
|
.base = code,
|
|
.variant = 0,
|
|
.attributes = 0,
|
|
.ncomb = 0,
|
|
.estimated_width = 1
|
|
};
|
|
|
|
if (code == '\t' && term->getxy)
|
|
{
|
|
int n;
|
|
|
|
n = GRUB_TERM_TAB_WIDTH - ((term->getxy (term).x)
|
|
% GRUB_TERM_TAB_WIDTH);
|
|
while (n--)
|
|
grub_putcode_dumb (' ', term);
|
|
|
|
return;
|
|
}
|
|
|
|
(term->putchar) (term, &c);
|
|
if (code == '\n')
|
|
grub_putcode_dumb ('\r', term);
|
|
}
|
|
|
|
static void
|
|
grub_xputs_dumb (const char *str)
|
|
{
|
|
for (; *str; str++)
|
|
{
|
|
grub_term_output_t term;
|
|
grub_uint32_t code = *str;
|
|
if (code > 0x7f)
|
|
code = '?';
|
|
|
|
FOR_ACTIVE_TERM_OUTPUTS(term)
|
|
grub_putcode_dumb (code, term);
|
|
}
|
|
}
|
|
|
|
void (*grub_xputs) (const char *str) = grub_xputs_dumb;
|
|
|
|
int
|
|
grub_getkey_noblock (void)
|
|
{
|
|
grub_term_input_t term;
|
|
|
|
if (grub_term_poll_usb)
|
|
grub_term_poll_usb (0);
|
|
|
|
if (grub_net_poll_cards_idle)
|
|
grub_net_poll_cards_idle ();
|
|
|
|
FOR_ACTIVE_TERM_INPUTS(term)
|
|
{
|
|
int key = term->getkey (term);
|
|
if (key != GRUB_TERM_NO_KEY)
|
|
return key;
|
|
}
|
|
|
|
return GRUB_TERM_NO_KEY;
|
|
}
|
|
|
|
int
|
|
grub_getkey (void)
|
|
{
|
|
int ret;
|
|
|
|
grub_refresh ();
|
|
|
|
while (1)
|
|
{
|
|
ret = grub_getkey_noblock ();
|
|
if (ret != GRUB_TERM_NO_KEY)
|
|
return ret;
|
|
grub_cpu_idle ();
|
|
}
|
|
}
|
|
|
|
void
|
|
grub_refresh (void)
|
|
{
|
|
struct grub_term_output *term;
|
|
|
|
FOR_ACTIVE_TERM_OUTPUTS(term)
|
|
grub_term_refresh (term);
|
|
}
|