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/* console.c - console interface layer for U-Boot platforms */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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/misc.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/terminfo.h>
#include <grub/uboot/uboot.h>
#include <grub/uboot/console.h>
static void
put (struct grub_term_output *term __attribute__ ((unused)), const int c)
{
grub_uboot_putc (c);
}
static int
readkey (struct grub_term_input *term __attribute__ ((unused)))
{
if (grub_uboot_tstc () > 0)
return grub_uboot_getc ();
return -1;
}
static void
uboot_console_setcursor (struct grub_term_output *term
__attribute__ ((unused)), int on
__attribute__ ((unused)))
{
grub_terminfo_setcursor (term, on);
}
static grub_err_t
uboot_console_init_input (struct grub_term_input *term)
{
return grub_terminfo_input_init (term);
}
extern struct grub_terminfo_output_state uboot_console_terminfo_output;
static grub_err_t
uboot_console_init_output (struct grub_term_output *term)
{
grub_terminfo_output_init (term);
return 0;
}
struct grub_terminfo_input_state uboot_console_terminfo_input = {
.readkey = readkey
};
struct grub_terminfo_output_state uboot_console_terminfo_output = {
.put = put,
/* FIXME: In rare cases when console isn't serial,
determine real width. */
.size = { 80, 24 }
};
static struct grub_term_input uboot_console_term_input = {
.name = "console",
.init = uboot_console_init_input,
.getkey = grub_terminfo_getkey,
.data = &uboot_console_terminfo_input
};
static struct grub_term_output uboot_console_term_output = {
.name = "console",
.init = uboot_console_init_output,
.putchar = grub_terminfo_putchar,
.getwh = grub_terminfo_getwh,
.getxy = grub_terminfo_getxy,
.gotoxy = grub_terminfo_gotoxy,
.cls = grub_terminfo_cls,
.setcolorstate = grub_terminfo_setcolorstate,
.setcursor = uboot_console_setcursor,
.flags = GRUB_TERM_CODE_TYPE_ASCII,
.data = &uboot_console_terminfo_output,
.progress_update_divisor = GRUB_PROGRESS_FAST
};
void
grub_console_init_early (void)
{
grub_term_register_input ("console", &uboot_console_term_input);
grub_term_register_output ("console", &uboot_console_term_output);
}
/*
* grub_console_init_lately():
* Initializes terminfo formatting by registering terminal type.
* Called after heap has been configured.
*
*/
void
grub_console_init_lately (void)
{
const char *type;
/* See if explicitly set by U-Boot environment */
type = grub_uboot_env_get ("grub_term");
if (!type)
type = "vt100";
grub_terminfo_init ();
grub_terminfo_output_register (&uboot_console_term_output, type);
}
void
grub_console_fini (void)
{
}
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