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I forgot to add console.c and term.h.

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okuji 2002-06-11 20:08:17 +00:00
parent 2369202e83
commit eaf934e523
2 changed files with 162 additions and 0 deletions
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48
stage2/console.c Normal file
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/* term_console.c - console input and output */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002 Free Software Foundation, Inc.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <shared.h>
#include <term.h>
/* These functions are defined in asm.S instead of this file:
console_putchar, console_checkkey, console_getkey, console_getxy,
console_gotoxy, console_cls, and console_nocursor. */
int console_current_color = A_NORMAL;
static int console_normal_color = A_NORMAL;
static int console_highlight_color = A_REVERSE;
static int console_highlight_state = 0;
void
console_highlight (int state)
{
console_current_color
= state ? console_highlight_color : console_normal_color;
console_highlight_state = state;
}
void
console_setcolor (int normal_color, int highlight_color)
{
console_normal_color = normal_color;
console_highlight_color = highlight_color;
console_highlight (console_highlight_state);
}

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stage2/term.h Normal file
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/* term.h - definitions for terminal handling */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002 Free Software Foundation, Inc.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef GRUB_TERM_HEADER
#define GRUB_TERM_HEADER 1
#ifndef STAGE1_5
/* Flags for representing the capabilities of a terminal. */
/* Some notes about the flags:
- These flags are used by higher-level functions but not terminals
themselves.
- If a terminal is dumb, you may assume that only putchar, getkey and
checkkey are called.
- Some fancy features (nocursor, setcolor, and highlight) can be set to
NULL. */
/* Set when input characters shouldn't be echoed back. */
#define TERM_NO_ECHO (1 << 0)
/* Set when the editing feature should be disabled. */
#define TERM_NO_EDIT (1 << 1)
/* Set when the terminal cannot do fancy things. */
#define TERM_DUMB (1 << 2)
/* Set when the terminal needs to be initialized. */
#define TERM_NEED_INIT (1 << 16)
struct term_entry
{
/* The name of a terminal. */
const char *name;
/* The feature flags defined above. */
unsigned long flags;
/* Put a character. */
void (*putchar) (int c);
/* Check if any input character is available. */
int (*checkkey) (void);
/* Get a character. */
int (*getkey) (void);
/* Get the cursor position. The return value is ((X << 8) | Y). */
int (*getxy) (void);
/* Go to the position (X, Y). */
void (*gotoxy) (int x, int y);
/* Clear the screen. */
void (*cls) (void);
/* Highlight characters written after this call, if STATE is true. */
void (*highlight) (int state);
/* Set the normal color and the highlight color. The format of each
color is VGA's. */
void (*setcolor) (int normal_color, int highlight_color);
/* Don't show the cursor. */
void (*nocursor) (void);
};
/* This lists up available terminals. */
extern struct term_entry term_table[];
/* This points to the current terminal. This is useful, because only
a single terminal is enabled normally. */
extern struct term_entry *current_term;
#endif /* ! STAGE1_5 */
/* The console stuff. */
extern int console_current_color;
void console_putchar (int c);
#ifndef STAGE1_5
int console_checkkey (void);
int console_getkey (void);
int console_getxy (void);
void console_gotoxy (int x, int y);
void console_cls (void);
void console_highlight (int state);
void console_setcolor (int normal_color, int highlight_color);
void console_nocursor (void);
#endif
#ifdef SUPPORT_SERIAL
void serial_putchar (int c);
int serial_checkkey (void);
int serial_getkey (void);
int serial_getxy (void);
void serial_gotoxy (int x, int y);
void serial_cls (void);
void serial_highlight (int state);
#endif
#ifdef SUPPORT_HERCULES
void hercules_putchar (int c);
int hercules_getxy (void);
void hercules_gotoxy (int x, int y);
void hercules_cls (void);
void hercules_highlight (int state);
void hercules_setcolor (int normal_color, int highlight_color);
void hercules_nocursor (void);
#endif
#endif /* ! GRUB_TERM_HEADER */