| 1 |
1626 |
jcastillo |
/*
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* linux/drivers/char/console.c
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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*/
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/*
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* console.c
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*
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* This module exports the console io functions:
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*
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* 'void do_keyboard_interrupt(void)'
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*
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* 'int vc_allocate(unsigned int console)'
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* 'int vc_cons_allocated(unsigned int console)'
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* 'int vc_resize(unsigned long lines, unsigned long cols)'
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* 'void vc_disallocate(unsigned int currcons)'
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*
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* 'unsigned long con_init(unsigned long)'
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* 'int con_open(struct tty_struct *tty, struct file * filp)'
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* 'void con_write(struct tty_struct * tty)'
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* 'void console_print(const char * b)'
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* 'void update_screen(int new_console)'
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*
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* 'void do_blank_screen(int)'
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* 'void do_unblank_screen(void)'
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* 'void poke_blanked_console(void)'
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*
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* 'unsigned short *screen_pos(int currcons, int w_offset, int viewed)'
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* 'void complement_pos(int currcons, int offset)'
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* 'void invert_screen(int currcons, int offset, int count, int shift)'
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*
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* 'void scrollback(int lines)'
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* 'void scrollfront(int lines)'
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*
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* 'void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry)'
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* 'int mouse_reporting(void)'
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*
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* Hopefully this will be a rather complete VT102 implementation.
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*
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* Beeping thanks to John T Kohl.
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*
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* Virtual Consoles, Screen Blanking, Screen Dumping, Color, Graphics
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* Chars, and VT100 enhancements by Peter MacDonald.
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*
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* Copy and paste function by Andrew Haylett,
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* some enhancements by Alessandro Rubini.
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*
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* Code to check for different video-cards mostly by Galen Hunt,
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* <g-hunt@ee.utah.edu>
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*
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* Rudimentary ISO 10646/Unicode/UTF-8 character set support by
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* Markus Kuhn, <mskuhn@immd4.informatik.uni-erlangen.de>.
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*
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* Dynamic allocation of consoles, aeb@cwi.nl, May 1994
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* Resizing of consoles, aeb, 940926
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*
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* Code for xterm like mouse click reporting by Peter Orbaek 20-Jul-94
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* <poe@daimi.aau.dk>
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*
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* User-defined bell sound, new setterm control sequences and printk
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* redirection by Martin Mares <mj@k332.feld.cvut.cz> 19-Nov-95
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*
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* APM screenblank bug fixed Takashi Manabe <manabe@roy.dsl.tutics.tut.jp>
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* Backported to 2.0.31 by Adam Bradley <artdodge@cs.bu.edu>
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*/
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#define BLANK 0x0020
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/* A bitmap for codes <32. A bit of 1 indicates that the code
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* corresponding to that bit number invokes some special action
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* (such as cursor movement) and should not be displayed as a
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* glyph unless the disp_ctrl mode is explicitly enabled.
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*/
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#define CTRL_ACTION 0x0d00ff81
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#define CTRL_ALWAYS 0x0800f501 /* Cannot be overridden by disp_ctrl */
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/*
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* Here is the default bell parameters: 750HZ, 1/8th of a second
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*/
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#define DEFAULT_BELL_PITCH 750
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#define DEFAULT_BELL_DURATION (HZ/8)
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/*
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* NOTE!!! We sometimes disable and enable interrupts for a short while
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* (to put a word in video IO), but this will work even for keyboard
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* interrupts. We know interrupts aren't enabled when getting a keyboard
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* interrupt, as we use trap-gates. Hopefully all is well.
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*/
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#include <linux/sched.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <linux/kd.h>
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#include <linux/malloc.h>
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#include <linux/major.h>
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#include <linux/mm.h>
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#include <linux/ioport.h>
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#ifdef CONFIG_APM
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#include <linux/apm_bios.h>
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#endif
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#include <asm/io.h>
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#include <asm/system.h>
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#include <asm/segment.h>
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#include <asm/bitops.h>
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| 113 |
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#include "kbd_kern.h"
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#include "vt_kern.h"
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#include "consolemap.h"
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#include "selection.h"
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#include "console_struct.h"
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#ifndef MIN
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#endif
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struct tty_driver console_driver;
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static int console_refcount;
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static struct tty_struct *console_table[MAX_NR_CONSOLES];
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static struct termios *console_termios[MAX_NR_CONSOLES];
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static struct termios *console_termios_locked[MAX_NR_CONSOLES];
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unsigned short *vc_scrbuf[MAX_NR_CONSOLES];
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struct vc vc_cons [MAX_NR_CONSOLES];
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| 130 |
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| 131 |
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static void con_setsize(unsigned long rows, unsigned long cols);
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static void vc_init(unsigned int console, unsigned long rows,
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| 133 |
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unsigned long cols, int do_clear);
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| 134 |
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extern void get_scrmem(int currcons);
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| 135 |
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extern void set_scrmem(int currcons, long offset);
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static void set_origin(int currcons);
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static void blank_screen(void);
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static void unblank_screen(void);
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| 139 |
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extern void change_console(unsigned int);
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| 140 |
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extern void poke_blanked_console(void);
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| 141 |
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static void gotoxy(int currcons, int new_x, int new_y);
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| 142 |
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static void save_cur(int currcons);
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| 143 |
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extern void set_cursor(int currcons);
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| 144 |
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extern void hide_cursor(void);
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| 145 |
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static void reset_terminal(int currcons, int do_clear);
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| 146 |
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extern void reset_vc(unsigned int new_console);
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| 147 |
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extern void vt_init(void);
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| 148 |
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extern void register_console(void (*proc)(const char *));
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| 149 |
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extern void vesa_blank(void);
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extern void vesa_unblank(void);
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extern void vesa_powerdown(void);
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| 152 |
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extern void compute_shiftstate(void);
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| 153 |
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extern void reset_palette(int currcons);
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| 154 |
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extern void set_palette(void);
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| 155 |
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extern unsigned long con_type_init(unsigned long, const char **);
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extern int set_get_cmap(unsigned char *, int);
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| 157 |
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extern int set_get_font(unsigned char *, int, int);
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| 158 |
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| 159 |
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/* Description of the hardware situation */
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unsigned char video_type; /* Type of display being used */
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unsigned long video_mem_base; /* Base of video memory */
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unsigned long video_mem_term; /* End of video memory */
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unsigned short video_port_reg; /* Video register select port */
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unsigned short video_port_val; /* Video register value port */
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unsigned long video_num_columns; /* Number of text columns */
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unsigned long video_num_lines; /* Number of text lines */
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unsigned long video_size_row;
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unsigned long video_screen_size;
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| 169 |
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| 170 |
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int can_do_color = 0;
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| 171 |
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static int printable = 0; /* Is console ready for printing? */
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| 173 |
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int video_mode_512ch = 0; /* 512-character mode */
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unsigned long video_font_height; /* Height of current screen font */
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unsigned long video_scan_lines; /* Number of scan lines on screen */
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unsigned long default_font_height; /* Height of default screen font */
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int video_font_is_default = 1;
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static unsigned short console_charmask = 0x0ff;
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| 180 |
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/* used by kbd_bh - set by keyboard_interrupt */
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int do_poke_blanked_console = 0;
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int console_blanked = 0;
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| 183 |
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static int blankinterval = 10*60*HZ;
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| 184 |
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static int vesa_off_interval = 0;
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| 185 |
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static long blank_origin, blank__origin, unblank_origin;
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| 186 |
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| 187 |
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| 188 |
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#ifdef CONFIG_SERIAL_ECHO
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| 190 |
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#include <linux/serial_reg.h>
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| 192 |
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extern int serial_echo_init (int base);
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| 193 |
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extern int serial_echo_print (const char *s);
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| 194 |
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| 195 |
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/*
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| 196 |
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* this defines the address for the port to which printk echoing is done
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* when CONFIG_SERIAL_ECHO is defined
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*/
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| 199 |
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#define SERIAL_ECHO_PORT 0x3f8 /* COM1 */
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| 201 |
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static int serial_echo_port = 0;
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| 203 |
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#define serial_echo_outb(v,a) outb((v),(a)+serial_echo_port)
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#define serial_echo_inb(a) inb((a)+serial_echo_port)
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| 205 |
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| 206 |
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#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
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| 208 |
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/* Wait for transmitter & holding register to empty */
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#define WAIT_FOR_XMITR \
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do { \
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lsr = serial_echo_inb(UART_LSR); \
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| 212 |
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} while ((lsr & BOTH_EMPTY) != BOTH_EMPTY)
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| 214 |
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/* These two functions abstract the actual communications with the
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| 215 |
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* debug port. This is so we can change the underlying communications
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| 216 |
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* mechanism without modifying the rest of the code.
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| 217 |
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*/
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| 218 |
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int
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| 219 |
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serial_echo_print(const char *s)
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| 220 |
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{
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| 221 |
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int lsr, ier;
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| 222 |
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int i;
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| 223 |
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| 224 |
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if (!serial_echo_port) return (0);
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| 225 |
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| 226 |
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/*
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| 227 |
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* First save the IER then disable the interrupts
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| 228 |
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*/
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| 229 |
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ier = serial_echo_inb(UART_IER);
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| 230 |
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serial_echo_outb(0x00, UART_IER);
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| 231 |
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| 232 |
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/*
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| 233 |
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* Now, do each character
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| 234 |
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*/
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| 235 |
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for (i = 0; *s; i++, s++) {
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| 236 |
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WAIT_FOR_XMITR;
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| 237 |
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| 238 |
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/* Send the character out. */
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| 239 |
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serial_echo_outb(*s, UART_TX);
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| 240 |
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| 241 |
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/* if a LF, also do CR... */
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| 242 |
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if (*s == 10) {
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| 243 |
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WAIT_FOR_XMITR;
|
| 244 |
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serial_echo_outb(13, UART_TX);
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| 245 |
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}
|
| 246 |
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}
|
| 247 |
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|
| 248 |
|
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/*
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| 249 |
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* Finally, Wait for transmitter & holding register to empty
|
| 250 |
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* and restore the IER
|
| 251 |
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*/
|
| 252 |
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do {
|
| 253 |
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lsr = serial_echo_inb(UART_LSR);
|
| 254 |
|
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} while ((lsr & BOTH_EMPTY) != BOTH_EMPTY);
|
| 255 |
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serial_echo_outb(ier, UART_IER);
|
| 256 |
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|
| 257 |
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return (0);
|
| 258 |
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}
|
| 259 |
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|
| 260 |
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|
| 261 |
|
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int
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| 262 |
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serial_echo_init(int base)
|
| 263 |
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{
|
| 264 |
|
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int comstat, hi, lo;
|
| 265 |
|
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|
| 266 |
|
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if (base != 0x2f8 && base != 0x3f8) {
|
| 267 |
|
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serial_echo_port = 0;
|
| 268 |
|
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return (0);
|
| 269 |
|
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} else
|
| 270 |
|
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serial_echo_port = base;
|
| 271 |
|
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|
| 272 |
|
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/*
|
| 273 |
|
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* read the Divisor Latch
|
| 274 |
|
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*/
|
| 275 |
|
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comstat = serial_echo_inb(UART_LCR);
|
| 276 |
|
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serial_echo_outb(comstat | UART_LCR_DLAB, UART_LCR);
|
| 277 |
|
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hi = serial_echo_inb(UART_DLM);
|
| 278 |
|
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lo = serial_echo_inb(UART_DLL);
|
| 279 |
|
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serial_echo_outb(comstat, UART_LCR);
|
| 280 |
|
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|
| 281 |
|
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/*
|
| 282 |
|
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* now do hardwired init
|
| 283 |
|
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*/
|
| 284 |
|
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serial_echo_outb(0x03, UART_LCR); /* No parity, 8 data bits, 1 stop */
|
| 285 |
|
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serial_echo_outb(0x83, UART_LCR); /* Access divisor latch */
|
| 286 |
|
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serial_echo_outb(0x00, UART_DLM); /* 9600 baud */
|
| 287 |
|
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serial_echo_outb(0x0c, UART_DLL);
|
| 288 |
|
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serial_echo_outb(0x03, UART_LCR); /* Done with divisor */
|
| 289 |
|
|
|
| 290 |
|
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/* Prior to disabling interrupts, read the LSR and RBR
|
| 291 |
|
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* registers
|
| 292 |
|
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*/
|
| 293 |
|
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comstat = serial_echo_inb(UART_LSR); /* COM? LSR */
|
| 294 |
|
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comstat = serial_echo_inb(UART_RX); /* COM? RBR */
|
| 295 |
|
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serial_echo_outb(0x00, UART_IER); /* Disable all interrupts */
|
| 296 |
|
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|
| 297 |
|
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return(0);
|
| 298 |
|
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}
|
| 299 |
|
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|
| 300 |
|
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#endif /* CONFIG_SERIAL_ECHO */
|
| 301 |
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|
| 302 |
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|
| 303 |
|
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int vc_cons_allocated(unsigned int i)
|
| 304 |
|
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{
|
| 305 |
|
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return (i < MAX_NR_CONSOLES && vc_cons[i].d);
|
| 306 |
|
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}
|
| 307 |
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|
| 308 |
|
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int vc_allocate(unsigned int i) /* return 0 on success */
|
| 309 |
|
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{
|
| 310 |
|
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if (i >= MAX_NR_CONSOLES)
|
| 311 |
|
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return -ENXIO;
|
| 312 |
|
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if (!vc_cons[i].d) {
|
| 313 |
|
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long p, q;
|
| 314 |
|
|
|
| 315 |
|
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/* prevent users from taking too much memory */
|
| 316 |
|
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if (i >= MAX_NR_USER_CONSOLES && !suser())
|
| 317 |
|
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return -EPERM;
|
| 318 |
|
|
|
| 319 |
|
|
/* due to the granularity of kmalloc, we waste some memory here */
|
| 320 |
|
|
/* the alloc is done in two steps, to optimize the common situation
|
| 321 |
|
|
of a 25x80 console (structsize=216, video_screen_size=4000) */
|
| 322 |
|
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q = (long) kmalloc(video_screen_size, GFP_KERNEL);
|
| 323 |
|
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if (!q)
|
| 324 |
|
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return -ENOMEM;
|
| 325 |
|
|
p = (long) kmalloc(structsize, GFP_KERNEL);
|
| 326 |
|
|
if (!p) {
|
| 327 |
|
|
kfree_s((char *) q, video_screen_size);
|
| 328 |
|
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return -ENOMEM;
|
| 329 |
|
|
}
|
| 330 |
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|
| 331 |
|
|
vc_cons[i].d = (struct vc_data *) p;
|
| 332 |
|
|
p += sizeof(struct vc_data);
|
| 333 |
|
|
vt_cons[i] = (struct vt_struct *) p;
|
| 334 |
|
|
vc_scrbuf[i] = (unsigned short *) q;
|
| 335 |
|
|
vc_cons[i].d->vc_kmalloced = 1;
|
| 336 |
|
|
vc_cons[i].d->vc_screenbuf_size = video_screen_size;
|
| 337 |
|
|
vc_init (i, video_num_lines, video_num_columns, 1);
|
| 338 |
|
|
}
|
| 339 |
|
|
return 0;
|
| 340 |
|
|
}
|
| 341 |
|
|
|
| 342 |
|
|
/*
|
| 343 |
|
|
* Change # of rows and columns (0 means unchanged)
|
| 344 |
|
|
* [this is to be used together with some user program
|
| 345 |
|
|
* like resize that changes the hardware videomode]
|
| 346 |
|
|
*/
|
| 347 |
|
|
int vc_resize(unsigned long lines, unsigned long cols)
|
| 348 |
|
|
{
|
| 349 |
|
|
unsigned long cc, ll, ss, sr;
|
| 350 |
|
|
unsigned long occ, oll, oss, osr;
|
| 351 |
|
|
unsigned short *p;
|
| 352 |
|
|
unsigned int currcons, i;
|
| 353 |
|
|
unsigned short *newscreens[MAX_NR_CONSOLES];
|
| 354 |
|
|
long ol, nl, rlth, rrem;
|
| 355 |
|
|
|
| 356 |
|
|
cc = (cols ? cols : video_num_columns);
|
| 357 |
|
|
ll = (lines ? lines : video_num_lines);
|
| 358 |
|
|
sr = cc << 1;
|
| 359 |
|
|
ss = sr * ll;
|
| 360 |
|
|
|
| 361 |
|
|
if (ss > video_mem_term - video_mem_base)
|
| 362 |
|
|
return -ENOMEM;
|
| 363 |
|
|
|
| 364 |
|
|
/*
|
| 365 |
|
|
* Some earlier version had all consoles of potentially
|
| 366 |
|
|
* different sizes, but that was really messy.
|
| 367 |
|
|
* So now we only change if there is room for all consoles
|
| 368 |
|
|
* of the same size.
|
| 369 |
|
|
*/
|
| 370 |
|
|
for (currcons = 0; currcons < MAX_NR_CONSOLES; currcons++) {
|
| 371 |
|
|
if (!vc_cons_allocated(currcons))
|
| 372 |
|
|
newscreens[currcons] = 0;
|
| 373 |
|
|
else {
|
| 374 |
|
|
p = (unsigned short *) kmalloc(ss, GFP_USER);
|
| 375 |
|
|
if (!p) {
|
| 376 |
|
|
for (i = 0; i< currcons; i++)
|
| 377 |
|
|
if (newscreens[i])
|
| 378 |
|
|
kfree_s(newscreens[i], ss);
|
| 379 |
|
|
return -ENOMEM;
|
| 380 |
|
|
}
|
| 381 |
|
|
newscreens[currcons] = p;
|
| 382 |
|
|
}
|
| 383 |
|
|
}
|
| 384 |
|
|
|
| 385 |
|
|
get_scrmem(fg_console);
|
| 386 |
|
|
|
| 387 |
|
|
oll = video_num_lines;
|
| 388 |
|
|
occ = video_num_columns;
|
| 389 |
|
|
osr = video_size_row;
|
| 390 |
|
|
oss = video_screen_size;
|
| 391 |
|
|
|
| 392 |
|
|
video_num_lines = ll;
|
| 393 |
|
|
video_num_columns = cc;
|
| 394 |
|
|
video_size_row = sr;
|
| 395 |
|
|
video_screen_size = ss;
|
| 396 |
|
|
|
| 397 |
|
|
for (currcons = 0; currcons < MAX_NR_CONSOLES; currcons++) {
|
| 398 |
|
|
if (!vc_cons_allocated(currcons))
|
| 399 |
|
|
continue;
|
| 400 |
|
|
|
| 401 |
|
|
rlth = MIN(osr, sr);
|
| 402 |
|
|
rrem = sr - rlth;
|
| 403 |
|
|
ol = origin;
|
| 404 |
|
|
nl = (long) newscreens[currcons];
|
| 405 |
|
|
if (ll < oll)
|
| 406 |
|
|
ol += (oll - ll) * osr;
|
| 407 |
|
|
|
| 408 |
|
|
while (ol < scr_end) {
|
| 409 |
|
|
memcpyw((unsigned short *) nl, (unsigned short *) ol, rlth);
|
| 410 |
|
|
if (rrem)
|
| 411 |
|
|
memsetw((void *)(nl + rlth), video_erase_char, rrem);
|
| 412 |
|
|
ol += osr;
|
| 413 |
|
|
nl += sr;
|
| 414 |
|
|
}
|
| 415 |
|
|
|
| 416 |
|
|
if (kmalloced)
|
| 417 |
|
|
kfree_s(vc_scrbuf[currcons], screenbuf_size);
|
| 418 |
|
|
vc_scrbuf[currcons] = newscreens[currcons];
|
| 419 |
|
|
kmalloced = 1;
|
| 420 |
|
|
screenbuf_size = ss;
|
| 421 |
|
|
|
| 422 |
|
|
origin = video_mem_start = (long) vc_scrbuf[currcons];
|
| 423 |
|
|
scr_end = video_mem_end = video_mem_start + ss;
|
| 424 |
|
|
|
| 425 |
|
|
if (scr_end > nl)
|
| 426 |
|
|
memsetw((void *) nl, video_erase_char, scr_end - nl);
|
| 427 |
|
|
|
| 428 |
|
|
/* do part of a reset_terminal() */
|
| 429 |
|
|
top = 0;
|
| 430 |
|
|
bottom = video_num_lines;
|
| 431 |
|
|
gotoxy(currcons, x, y);
|
| 432 |
|
|
save_cur(currcons);
|
| 433 |
|
|
}
|
| 434 |
|
|
|
| 435 |
|
|
set_scrmem(fg_console, 0);
|
| 436 |
|
|
set_origin(fg_console);
|
| 437 |
|
|
set_cursor(fg_console);
|
| 438 |
|
|
|
| 439 |
|
|
return 0;
|
| 440 |
|
|
}
|
| 441 |
|
|
|
| 442 |
|
|
void vc_disallocate(unsigned int currcons)
|
| 443 |
|
|
{
|
| 444 |
|
|
if (vc_cons_allocated(currcons)) {
|
| 445 |
|
|
if (kmalloced)
|
| 446 |
|
|
kfree_s(vc_scrbuf[currcons], screenbuf_size);
|
| 447 |
|
|
if (currcons >= MIN_NR_CONSOLES)
|
| 448 |
|
|
kfree_s(vc_cons[currcons].d, structsize);
|
| 449 |
|
|
vc_cons[currcons].d = 0;
|
| 450 |
|
|
}
|
| 451 |
|
|
}
|
| 452 |
|
|
|
| 453 |
|
|
|
| 454 |
|
|
#define set_kbd(x) set_vc_kbd_mode(kbd_table+currcons,x)
|
| 455 |
|
|
#define clr_kbd(x) clr_vc_kbd_mode(kbd_table+currcons,x)
|
| 456 |
|
|
#define is_kbd(x) vc_kbd_mode(kbd_table+currcons,x)
|
| 457 |
|
|
|
| 458 |
|
|
#define decarm VC_REPEAT
|
| 459 |
|
|
#define decckm VC_CKMODE
|
| 460 |
|
|
#define kbdapplic VC_APPLIC
|
| 461 |
|
|
#define lnm VC_CRLF
|
| 462 |
|
|
|
| 463 |
|
|
/*
|
| 464 |
|
|
* this is what the terminal answers to a ESC-Z or csi0c query.
|
| 465 |
|
|
*/
|
| 466 |
|
|
#define VT100ID "\033[?1;2c"
|
| 467 |
|
|
#define VT102ID "\033[?6c"
|
| 468 |
|
|
|
| 469 |
|
|
unsigned char color_table[] = { 0, 4, 2, 6, 1, 5, 3, 7,
|
| 470 |
|
|
8,12,10,14, 9,13,11,15 };
|
| 471 |
|
|
|
| 472 |
|
|
/* the default colour table, for VGA+ colour systems */
|
| 473 |
|
|
int default_red[] = {0x00,0xaa,0x00,0xaa,0x00,0xaa,0x00,0xaa,
|
| 474 |
|
|
0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xff};
|
| 475 |
|
|
int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa,
|
| 476 |
|
|
0x55,0x55,0xff,0xff,0x55,0x55,0xff,0xff};
|
| 477 |
|
|
int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa,
|
| 478 |
|
|
0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff};
|
| 479 |
|
|
|
| 480 |
|
|
/*
|
| 481 |
|
|
* gotoxy() must verify all boundaries, because the arguments
|
| 482 |
|
|
* might also be negative. If the given position is out of
|
| 483 |
|
|
* bounds, the cursor is placed at the nearest margin.
|
| 484 |
|
|
*/
|
| 485 |
|
|
static void gotoxy(int currcons, int new_x, int new_y)
|
| 486 |
|
|
{
|
| 487 |
|
|
int min_y, max_y;
|
| 488 |
|
|
|
| 489 |
|
|
if (new_x < 0)
|
| 490 |
|
|
x = 0;
|
| 491 |
|
|
else
|
| 492 |
|
|
if (new_x >= video_num_columns)
|
| 493 |
|
|
x = video_num_columns - 1;
|
| 494 |
|
|
else
|
| 495 |
|
|
x = new_x;
|
| 496 |
|
|
if (decom) {
|
| 497 |
|
|
min_y = top;
|
| 498 |
|
|
max_y = bottom;
|
| 499 |
|
|
} else {
|
| 500 |
|
|
min_y = 0;
|
| 501 |
|
|
max_y = video_num_lines;
|
| 502 |
|
|
}
|
| 503 |
|
|
if (new_y < min_y)
|
| 504 |
|
|
y = min_y;
|
| 505 |
|
|
else if (new_y >= max_y)
|
| 506 |
|
|
y = max_y - 1;
|
| 507 |
|
|
else
|
| 508 |
|
|
y = new_y;
|
| 509 |
|
|
pos = origin + y*video_size_row + (x<<1);
|
| 510 |
|
|
need_wrap = 0;
|
| 511 |
|
|
}
|
| 512 |
|
|
|
| 513 |
|
|
/* for absolute user moves, when decom is set */
|
| 514 |
|
|
static void gotoxay(int currcons, int new_x, int new_y)
|
| 515 |
|
|
{
|
| 516 |
|
|
gotoxy(currcons, new_x, decom ? (top+new_y) : new_y);
|
| 517 |
|
|
}
|
| 518 |
|
|
|
| 519 |
|
|
/*
|
| 520 |
|
|
* Hardware scrollback support
|
| 521 |
|
|
*/
|
| 522 |
|
|
extern void __set_origin(unsigned short);
|
| 523 |
|
|
unsigned short __real_origin; /* offset of non-scrolled screen */
|
| 524 |
|
|
unsigned short __origin; /* offset of currently displayed screen */
|
| 525 |
|
|
unsigned char has_wrapped; /* all of videomem is data of fg_console */
|
| 526 |
|
|
static unsigned char hardscroll_enabled;
|
| 527 |
|
|
static unsigned char hardscroll_disabled_by_init = 0;
|
| 528 |
|
|
|
| 529 |
|
|
void no_scroll(char *str, int *ints)
|
| 530 |
|
|
{
|
| 531 |
|
|
/*
|
| 532 |
|
|
* Disabling scrollback is required for the Braillex ib80-piezo
|
| 533 |
|
|
* Braille reader made by F.H. Papenmeier (Germany).
|
| 534 |
|
|
* Use the "no-scroll" bootflag.
|
| 535 |
|
|
*/
|
| 536 |
|
|
hardscroll_disabled_by_init = 1;
|
| 537 |
|
|
hardscroll_enabled = 0;
|
| 538 |
|
|
}
|
| 539 |
|
|
|
| 540 |
|
|
static void scrolldelta(int lines)
|
| 541 |
|
|
{
|
| 542 |
|
|
int new_origin;
|
| 543 |
|
|
int last_origin_rel = (((video_mem_term - video_mem_base)
|
| 544 |
|
|
/ video_num_columns / 2) - (video_num_lines - 1)) * video_num_columns;
|
| 545 |
|
|
|
| 546 |
|
|
new_origin = __origin + lines * video_num_columns;
|
| 547 |
|
|
if (__origin > __real_origin)
|
| 548 |
|
|
new_origin -= last_origin_rel;
|
| 549 |
|
|
if (new_origin < 0) {
|
| 550 |
|
|
int s_top = __real_origin + video_num_lines*video_num_columns;
|
| 551 |
|
|
new_origin += last_origin_rel;
|
| 552 |
|
|
if (new_origin < s_top)
|
| 553 |
|
|
new_origin = s_top;
|
| 554 |
|
|
if (new_origin > last_origin_rel - video_num_columns
|
| 555 |
|
|
|| has_wrapped == 0)
|
| 556 |
|
|
new_origin = 0;
|
| 557 |
|
|
else {
|
| 558 |
|
|
unsigned short * d = (unsigned short *) video_mem_base;
|
| 559 |
|
|
unsigned short * s = d + last_origin_rel;
|
| 560 |
|
|
int count = (video_num_lines-1)*video_num_columns;
|
| 561 |
|
|
while (count) {
|
| 562 |
|
|
count--;
|
| 563 |
|
|
scr_writew(scr_readw(d++),s++);
|
| 564 |
|
|
}
|
| 565 |
|
|
}
|
| 566 |
|
|
} else if (new_origin > __real_origin)
|
| 567 |
|
|
new_origin = __real_origin;
|
| 568 |
|
|
|
| 569 |
|
|
__set_origin(new_origin);
|
| 570 |
|
|
}
|
| 571 |
|
|
|
| 572 |
|
|
void scrollback(int lines)
|
| 573 |
|
|
{
|
| 574 |
|
|
if (!lines)
|
| 575 |
|
|
lines = video_num_lines/2;
|
| 576 |
|
|
scrolldelta(-lines);
|
| 577 |
|
|
}
|
| 578 |
|
|
|
| 579 |
|
|
void scrollfront(int lines)
|
| 580 |
|
|
{
|
| 581 |
|
|
if (!lines)
|
| 582 |
|
|
lines = video_num_lines/2;
|
| 583 |
|
|
scrolldelta(lines);
|
| 584 |
|
|
}
|
| 585 |
|
|
|
| 586 |
|
|
static void set_origin(int currcons)
|
| 587 |
|
|
{
|
| 588 |
|
|
if (video_type != VIDEO_TYPE_EGAC && video_type != VIDEO_TYPE_VGAC
|
| 589 |
|
|
&& video_type != VIDEO_TYPE_EGAM)
|
| 590 |
|
|
return;
|
| 591 |
|
|
if (currcons != fg_console || console_blanked || vcmode == KD_GRAPHICS)
|
| 592 |
|
|
return;
|
| 593 |
|
|
__real_origin = (origin-video_mem_base) >> 1;
|
| 594 |
|
|
__set_origin(__real_origin);
|
| 595 |
|
|
}
|
| 596 |
|
|
|
| 597 |
|
|
static void scrup(int currcons, unsigned int t, unsigned int b, unsigned int nr)
|
| 598 |
|
|
{
|
| 599 |
|
|
int hardscroll = hardscroll_enabled;
|
| 600 |
|
|
|
| 601 |
|
|
if (t+nr >= b)
|
| 602 |
|
|
nr = b - t - 1;
|
| 603 |
|
|
if (b > video_num_lines || t >= b || nr < 1)
|
| 604 |
|
|
return;
|
| 605 |
|
|
if (t || b != video_num_lines || nr > 1)
|
| 606 |
|
|
hardscroll = 0;
|
| 607 |
|
|
if (hardscroll) {
|
| 608 |
|
|
origin += video_size_row;
|
| 609 |
|
|
pos += video_size_row;
|
| 610 |
|
|
scr_end += video_size_row;
|
| 611 |
|
|
if (scr_end > video_mem_end) {
|
| 612 |
|
|
unsigned short * d = (unsigned short *) video_mem_start;
|
| 613 |
|
|
unsigned short * s = (unsigned short *) origin;
|
| 614 |
|
|
unsigned int count;
|
| 615 |
|
|
|
| 616 |
|
|
count = (video_num_lines-1)*video_num_columns;
|
| 617 |
|
|
while (count) {
|
| 618 |
|
|
count--;
|
| 619 |
|
|
scr_writew(scr_readw(s++),d++);
|
| 620 |
|
|
}
|
| 621 |
|
|
count = video_num_columns;
|
| 622 |
|
|
while (count) {
|
| 623 |
|
|
count--;
|
| 624 |
|
|
scr_writew(video_erase_char, d++);
|
| 625 |
|
|
}
|
| 626 |
|
|
scr_end -= origin-video_mem_start;
|
| 627 |
|
|
pos -= origin-video_mem_start;
|
| 628 |
|
|
origin = video_mem_start;
|
| 629 |
|
|
has_scrolled = 1;
|
| 630 |
|
|
if (currcons == fg_console)
|
| 631 |
|
|
has_wrapped = 1;
|
| 632 |
|
|
} else {
|
| 633 |
|
|
unsigned short * d;
|
| 634 |
|
|
unsigned int count;
|
| 635 |
|
|
|
| 636 |
|
|
d = (unsigned short *) (scr_end - video_size_row);
|
| 637 |
|
|
count = video_num_columns;
|
| 638 |
|
|
while (count) {
|
| 639 |
|
|
count--;
|
| 640 |
|
|
scr_writew(video_erase_char, d++);
|
| 641 |
|
|
}
|
| 642 |
|
|
}
|
| 643 |
|
|
set_origin(currcons);
|
| 644 |
|
|
} else {
|
| 645 |
|
|
unsigned short * d = (unsigned short *) (origin+video_size_row*t);
|
| 646 |
|
|
unsigned short * s = (unsigned short *) (origin+video_size_row*(t+nr));
|
| 647 |
|
|
|
| 648 |
|
|
memcpyw(d, s, (b-t-nr) * video_size_row);
|
| 649 |
|
|
memsetw(d + (b-t-nr) * video_num_columns, video_erase_char, video_size_row*nr);
|
| 650 |
|
|
}
|
| 651 |
|
|
}
|
| 652 |
|
|
|
| 653 |
|
|
static void
|
| 654 |
|
|
scrdown(int currcons, unsigned int t, unsigned int b, unsigned int nr)
|
| 655 |
|
|
{
|
| 656 |
|
|
unsigned short *s;
|
| 657 |
|
|
unsigned int count;
|
| 658 |
|
|
unsigned int step;
|
| 659 |
|
|
|
| 660 |
|
|
if (t+nr >= b)
|
| 661 |
|
|
nr = b - t - 1;
|
| 662 |
|
|
if (b > video_num_lines || t >= b || nr < 1)
|
| 663 |
|
|
return;
|
| 664 |
|
|
s = (unsigned short *) (origin+video_size_row*(b-nr-1));
|
| 665 |
|
|
step = video_num_columns * nr;
|
| 666 |
|
|
count = b - t - nr;
|
| 667 |
|
|
while (count--) {
|
| 668 |
|
|
memcpyw(s + step, s, video_size_row);
|
| 669 |
|
|
s -= video_num_columns;
|
| 670 |
|
|
}
|
| 671 |
|
|
while (nr--) {
|
| 672 |
|
|
s += video_num_columns;
|
| 673 |
|
|
memsetw(s, video_erase_char, video_size_row);
|
| 674 |
|
|
}
|
| 675 |
|
|
has_scrolled = 1;
|
| 676 |
|
|
}
|
| 677 |
|
|
|
| 678 |
|
|
static void lf(int currcons)
|
| 679 |
|
|
{
|
| 680 |
|
|
/* don't scroll if above bottom of scrolling region, or
|
| 681 |
|
|
* if below scrolling region
|
| 682 |
|
|
*/
|
| 683 |
|
|
if (y+1 == bottom)
|
| 684 |
|
|
scrup(currcons,top,bottom, 1);
|
| 685 |
|
|
else if (y < video_num_lines-1) {
|
| 686 |
|
|
y++;
|
| 687 |
|
|
pos += video_size_row;
|
| 688 |
|
|
}
|
| 689 |
|
|
need_wrap = 0;
|
| 690 |
|
|
}
|
| 691 |
|
|
|
| 692 |
|
|
static void ri(int currcons)
|
| 693 |
|
|
{
|
| 694 |
|
|
/* don't scroll if below top of scrolling region, or
|
| 695 |
|
|
* if above scrolling region
|
| 696 |
|
|
*/
|
| 697 |
|
|
if (y == top)
|
| 698 |
|
|
scrdown(currcons,top,bottom, 1);
|
| 699 |
|
|
else if (y > 0) {
|
| 700 |
|
|
y--;
|
| 701 |
|
|
pos -= video_size_row;
|
| 702 |
|
|
}
|
| 703 |
|
|
need_wrap = 0;
|
| 704 |
|
|
}
|
| 705 |
|
|
|
| 706 |
|
|
static inline void cr(int currcons)
|
| 707 |
|
|
{
|
| 708 |
|
|
pos -= x<<1;
|
| 709 |
|
|
need_wrap = x = 0;
|
| 710 |
|
|
}
|
| 711 |
|
|
|
| 712 |
|
|
static inline void bs(int currcons)
|
| 713 |
|
|
{
|
| 714 |
|
|
if (x) {
|
| 715 |
|
|
pos -= 2;
|
| 716 |
|
|
x--;
|
| 717 |
|
|
need_wrap = 0;
|
| 718 |
|
|
}
|
| 719 |
|
|
}
|
| 720 |
|
|
|
| 721 |
|
|
static inline void del(int currcons)
|
| 722 |
|
|
{
|
| 723 |
|
|
/* ignored */
|
| 724 |
|
|
}
|
| 725 |
|
|
|
| 726 |
|
|
static void csi_J(int currcons, int vpar)
|
| 727 |
|
|
{
|
| 728 |
|
|
unsigned long count;
|
| 729 |
|
|
unsigned short * start;
|
| 730 |
|
|
|
| 731 |
|
|
switch (vpar) {
|
| 732 |
|
|
case 0: /* erase from cursor to end of display */
|
| 733 |
|
|
count = (scr_end-pos)>>1;
|
| 734 |
|
|
start = (unsigned short *) pos;
|
| 735 |
|
|
break;
|
| 736 |
|
|
case 1: /* erase from start to cursor */
|
| 737 |
|
|
count = ((pos-origin)>>1)+1;
|
| 738 |
|
|
start = (unsigned short *) origin;
|
| 739 |
|
|
break;
|
| 740 |
|
|
case 2: /* erase whole display */
|
| 741 |
|
|
count = video_num_columns * video_num_lines;
|
| 742 |
|
|
start = (unsigned short *) origin;
|
| 743 |
|
|
break;
|
| 744 |
|
|
default:
|
| 745 |
|
|
return;
|
| 746 |
|
|
}
|
| 747 |
|
|
while (count) {
|
| 748 |
|
|
count--;
|
| 749 |
|
|
scr_writew(video_erase_char, start++);
|
| 750 |
|
|
}
|
| 751 |
|
|
need_wrap = 0;
|
| 752 |
|
|
}
|
| 753 |
|
|
|
| 754 |
|
|
static void csi_K(int currcons, int vpar)
|
| 755 |
|
|
{
|
| 756 |
|
|
unsigned long count;
|
| 757 |
|
|
unsigned short * start;
|
| 758 |
|
|
|
| 759 |
|
|
switch (vpar) {
|
| 760 |
|
|
case 0: /* erase from cursor to end of line */
|
| 761 |
|
|
count = video_num_columns-x;
|
| 762 |
|
|
start = (unsigned short *) pos;
|
| 763 |
|
|
break;
|
| 764 |
|
|
case 1: /* erase from start of line to cursor */
|
| 765 |
|
|
start = (unsigned short *) (pos - (x<<1));
|
| 766 |
|
|
count = x+1;
|
| 767 |
|
|
break;
|
| 768 |
|
|
case 2: /* erase whole line */
|
| 769 |
|
|
start = (unsigned short *) (pos - (x<<1));
|
| 770 |
|
|
count = video_num_columns;
|
| 771 |
|
|
break;
|
| 772 |
|
|
default:
|
| 773 |
|
|
return;
|
| 774 |
|
|
}
|
| 775 |
|
|
while (count) {
|
| 776 |
|
|
count--;
|
| 777 |
|
|
scr_writew(video_erase_char, start++);
|
| 778 |
|
|
}
|
| 779 |
|
|
need_wrap = 0;
|
| 780 |
|
|
}
|
| 781 |
|
|
|
| 782 |
|
|
static void csi_X(int currcons, int vpar) /* erase the following vpar positions */
|
| 783 |
|
|
{ /* not vt100? */
|
| 784 |
|
|
unsigned long count;
|
| 785 |
|
|
unsigned short * start;
|
| 786 |
|
|
|
| 787 |
|
|
if (!vpar)
|
| 788 |
|
|
vpar++;
|
| 789 |
|
|
|
| 790 |
|
|
start = (unsigned short *) pos;
|
| 791 |
|
|
count = (vpar > video_num_columns-x) ? (video_num_columns-x) : vpar;
|
| 792 |
|
|
|
| 793 |
|
|
while (count) {
|
| 794 |
|
|
count--;
|
| 795 |
|
|
scr_writew(video_erase_char, start++);
|
| 796 |
|
|
}
|
| 797 |
|
|
need_wrap = 0;
|
| 798 |
|
|
}
|
| 799 |
|
|
|
| 800 |
|
|
static void update_attr(int currcons)
|
| 801 |
|
|
{
|
| 802 |
|
|
attr = color;
|
| 803 |
|
|
if (can_do_color) {
|
| 804 |
|
|
if (underline)
|
| 805 |
|
|
attr = (attr & 0xf0) | ulcolor;
|
| 806 |
|
|
else if (intensity == 0)
|
| 807 |
|
|
attr = (attr & 0xf0) | halfcolor;
|
| 808 |
|
|
}
|
| 809 |
|
|
if (reverse ^ decscnm)
|
| 810 |
|
|
attr = reverse_video_char(attr);
|
| 811 |
|
|
if (blink)
|
| 812 |
|
|
attr ^= 0x80;
|
| 813 |
|
|
if (intensity == 2)
|
| 814 |
|
|
attr ^= 0x08;
|
| 815 |
|
|
if (!can_do_color) {
|
| 816 |
|
|
if (underline)
|
| 817 |
|
|
attr = (attr & 0xf8) | 0x01;
|
| 818 |
|
|
else if (intensity == 0)
|
| 819 |
|
|
attr = (attr & 0xf0) | 0x08;
|
| 820 |
|
|
}
|
| 821 |
|
|
if (decscnm)
|
| 822 |
|
|
video_erase_char = (reverse_video_char(color) << 8) | ' ';
|
| 823 |
|
|
else
|
| 824 |
|
|
video_erase_char = (color << 8) | ' ';
|
| 825 |
|
|
}
|
| 826 |
|
|
|
| 827 |
|
|
static void default_attr(int currcons)
|
| 828 |
|
|
{
|
| 829 |
|
|
intensity = 1;
|
| 830 |
|
|
underline = 0;
|
| 831 |
|
|
reverse = 0;
|
| 832 |
|
|
blink = 0;
|
| 833 |
|
|
color = def_color;
|
| 834 |
|
|
}
|
| 835 |
|
|
|
| 836 |
|
|
static void csi_m(int currcons)
|
| 837 |
|
|
{
|
| 838 |
|
|
int i;
|
| 839 |
|
|
|
| 840 |
|
|
for (i=0;i<=npar;i++)
|
| 841 |
|
|
switch (par[i]) {
|
| 842 |
|
|
case 0: /* all attributes off */
|
| 843 |
|
|
default_attr(currcons);
|
| 844 |
|
|
break;
|
| 845 |
|
|
case 1:
|
| 846 |
|
|
intensity = 2;
|
| 847 |
|
|
break;
|
| 848 |
|
|
case 2:
|
| 849 |
|
|
intensity = 0;
|
| 850 |
|
|
break;
|
| 851 |
|
|
case 4:
|
| 852 |
|
|
underline = 1;
|
| 853 |
|
|
break;
|
| 854 |
|
|
case 5:
|
| 855 |
|
|
blink = 1;
|
| 856 |
|
|
break;
|
| 857 |
|
|
case 7:
|
| 858 |
|
|
reverse = 1;
|
| 859 |
|
|
break;
|
| 860 |
|
|
case 10: /* ANSI X3.64-1979 (SCO-ish?)
|
| 861 |
|
|
* Select primary font, don't display
|
| 862 |
|
|
* control chars if defined, don't set
|
| 863 |
|
|
* bit 8 on output.
|
| 864 |
|
|
*/
|
| 865 |
|
|
translate = set_translate(charset == 0
|
| 866 |
|
|
? G0_charset
|
| 867 |
|
|
: G1_charset);
|
| 868 |
|
|
disp_ctrl = 0;
|
| 869 |
|
|
toggle_meta = 0;
|
| 870 |
|
|
break;
|
| 871 |
|
|
case 11: /* ANSI X3.64-1979 (SCO-ish?)
|
| 872 |
|
|
* Select first alternate font, lets
|
| 873 |
|
|
* chars < 32 be displayed as ROM chars.
|
| 874 |
|
|
*/
|
| 875 |
|
|
translate = set_translate(IBMPC_MAP);
|
| 876 |
|
|
disp_ctrl = 1;
|
| 877 |
|
|
toggle_meta = 0;
|
| 878 |
|
|
break;
|
| 879 |
|
|
case 12: /* ANSI X3.64-1979 (SCO-ish?)
|
| 880 |
|
|
* Select second alternate font, toggle
|
| 881 |
|
|
* high bit before displaying as ROM char.
|
| 882 |
|
|
*/
|
| 883 |
|
|
translate = set_translate(IBMPC_MAP);
|
| 884 |
|
|
disp_ctrl = 1;
|
| 885 |
|
|
toggle_meta = 1;
|
| 886 |
|
|
break;
|
| 887 |
|
|
case 21:
|
| 888 |
|
|
case 22:
|
| 889 |
|
|
intensity = 1;
|
| 890 |
|
|
break;
|
| 891 |
|
|
case 24:
|
| 892 |
|
|
underline = 0;
|
| 893 |
|
|
break;
|
| 894 |
|
|
case 25:
|
| 895 |
|
|
blink = 0;
|
| 896 |
|
|
break;
|
| 897 |
|
|
case 27:
|
| 898 |
|
|
reverse = 0;
|
| 899 |
|
|
break;
|
| 900 |
|
|
case 38: /* ANSI X3.64-1979 (SCO-ish?)
|
| 901 |
|
|
* Enables underscore, white foreground
|
| 902 |
|
|
* with white underscore (Linux - use
|
| 903 |
|
|
* default foreground).
|
| 904 |
|
|
*/
|
| 905 |
|
|
color = (def_color & 0x0f) | background;
|
| 906 |
|
|
underline = 1;
|
| 907 |
|
|
break;
|
| 908 |
|
|
case 39: /* ANSI X3.64-1979 (SCO-ish?)
|
| 909 |
|
|
* Disable underline option.
|
| 910 |
|
|
* Reset colour to default? It did this
|
| 911 |
|
|
* before...
|
| 912 |
|
|
*/
|
| 913 |
|
|
color = (def_color & 0x0f) | background;
|
| 914 |
|
|
underline = 0;
|
| 915 |
|
|
break;
|
| 916 |
|
|
case 49:
|
| 917 |
|
|
color = (def_color & 0xf0) | foreground;
|
| 918 |
|
|
break;
|
| 919 |
|
|
default:
|
| 920 |
|
|
if (par[i] >= 30 && par[i] <= 37)
|
| 921 |
|
|
color = color_table[par[i]-30]
|
| 922 |
|
|
| background;
|
| 923 |
|
|
else if (par[i] >= 40 && par[i] <= 47)
|
| 924 |
|
|
color = (color_table[par[i]-40]<<4)
|
| 925 |
|
|
| foreground;
|
| 926 |
|
|
break;
|
| 927 |
|
|
}
|
| 928 |
|
|
update_attr(currcons);
|
| 929 |
|
|
}
|
| 930 |
|
|
|
| 931 |
|
|
static void respond_string(const char * p, struct tty_struct * tty)
|
| 932 |
|
|
{
|
| 933 |
|
|
while (*p) {
|
| 934 |
|
|
tty_insert_flip_char(tty, *p, 0);
|
| 935 |
|
|
p++;
|
| 936 |
|
|
}
|
| 937 |
|
|
tty_schedule_flip(tty);
|
| 938 |
|
|
}
|
| 939 |
|
|
|
| 940 |
|
|
static void cursor_report(int currcons, struct tty_struct * tty)
|
| 941 |
|
|
{
|
| 942 |
|
|
char buf[40];
|
| 943 |
|
|
|
| 944 |
|
|
sprintf(buf, "\033[%ld;%ldR", y + (decom ? top+1 : 1), x+1);
|
| 945 |
|
|
respond_string(buf, tty);
|
| 946 |
|
|
}
|
| 947 |
|
|
|
| 948 |
|
|
static inline void status_report(struct tty_struct * tty)
|
| 949 |
|
|
{
|
| 950 |
|
|
respond_string("\033[0n", tty); /* Terminal ok */
|
| 951 |
|
|
}
|
| 952 |
|
|
|
| 953 |
|
|
static inline void respond_ID(struct tty_struct * tty)
|
| 954 |
|
|
{
|
| 955 |
|
|
respond_string(VT102ID, tty);
|
| 956 |
|
|
}
|
| 957 |
|
|
|
| 958 |
|
|
void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry)
|
| 959 |
|
|
{
|
| 960 |
|
|
char buf[8];
|
| 961 |
|
|
|
| 962 |
|
|
sprintf(buf, "\033[M%c%c%c", (char)(' ' + butt), (char)('!' + mrx),
|
| 963 |
|
|
(char)('!' + mry));
|
| 964 |
|
|
respond_string(buf, tty);
|
| 965 |
|
|
}
|
| 966 |
|
|
|
| 967 |
|
|
/* invoked via ioctl(TIOCLINUX) */
|
| 968 |
|
|
int mouse_reporting(void)
|
| 969 |
|
|
{
|
| 970 |
|
|
int currcons = fg_console;
|
| 971 |
|
|
|
| 972 |
|
|
return report_mouse;
|
| 973 |
|
|
}
|
| 974 |
|
|
|
| 975 |
|
|
static inline unsigned short *screenpos(int currcons, int offset, int viewed)
|
| 976 |
|
|
{
|
| 977 |
|
|
unsigned short *p = (unsigned short *)(origin + offset);
|
| 978 |
|
|
if (viewed && currcons == fg_console)
|
| 979 |
|
|
p -= (__real_origin - __origin);
|
| 980 |
|
|
return p;
|
| 981 |
|
|
}
|
| 982 |
|
|
|
| 983 |
|
|
/* Note: inverting the screen twice should revert to the original state */
|
| 984 |
|
|
void invert_screen(int currcons, int offset, int count, int viewed)
|
| 985 |
|
|
{
|
| 986 |
|
|
unsigned short *p;
|
| 987 |
|
|
|
| 988 |
|
|
count /= 2;
|
| 989 |
|
|
p = screenpos(currcons, offset, viewed);
|
| 990 |
|
|
if (can_do_color)
|
| 991 |
|
|
while (count--) {
|
| 992 |
|
|
unsigned short old = scr_readw(p);
|
| 993 |
|
|
scr_writew(reverse_video_short(old), p);
|
| 994 |
|
|
p++;
|
| 995 |
|
|
}
|
| 996 |
|
|
else
|
| 997 |
|
|
while (count--) {
|
| 998 |
|
|
unsigned short old = scr_readw(p);
|
| 999 |
|
|
scr_writew(old ^ (((old & 0x0700) == 0x0100)
|
| 1000 |
|
|
? 0x7000 : 0x7700), p);
|
| 1001 |
|
|
p++;
|
| 1002 |
|
|
}
|
| 1003 |
|
|
}
|
| 1004 |
|
|
|
| 1005 |
|
|
/* used by selection: complement pointer position */
|
| 1006 |
|
|
void complement_pos(int currcons, int offset)
|
| 1007 |
|
|
{
|
| 1008 |
|
|
static unsigned short *p = NULL;
|
| 1009 |
|
|
static unsigned short old = 0;
|
| 1010 |
|
|
|
| 1011 |
|
|
if (p)
|
| 1012 |
|
|
scr_writew(old, p);
|
| 1013 |
|
|
if (offset == -1)
|
| 1014 |
|
|
p = NULL;
|
| 1015 |
|
|
else {
|
| 1016 |
|
|
p = screenpos(currcons, offset, 1);
|
| 1017 |
|
|
old = scr_readw(p);
|
| 1018 |
|
|
scr_writew(old ^ 0x7700, p);
|
| 1019 |
|
|
}
|
| 1020 |
|
|
}
|
| 1021 |
|
|
|
| 1022 |
|
|
/* used by selection */
|
| 1023 |
|
|
unsigned short screen_word(int currcons, int offset, int viewed)
|
| 1024 |
|
|
{
|
| 1025 |
|
|
return scr_readw(screenpos(currcons, offset, viewed));
|
| 1026 |
|
|
}
|
| 1027 |
|
|
|
| 1028 |
|
|
/* used by selection - convert a screen word to a glyph number */
|
| 1029 |
|
|
int scrw2glyph(unsigned short scr_word)
|
| 1030 |
|
|
{
|
| 1031 |
|
|
return ( video_mode_512ch )
|
| 1032 |
|
|
? ((scr_word & 0x0800) >> 3) + (scr_word & 0x00ff)
|
| 1033 |
|
|
: scr_word & 0x00ff;
|
| 1034 |
|
|
}
|
| 1035 |
|
|
|
| 1036 |
|
|
/* used by vcs - note the word offset */
|
| 1037 |
|
|
unsigned short *screen_pos(int currcons, int w_offset, int viewed)
|
| 1038 |
|
|
{
|
| 1039 |
|
|
return screenpos(currcons, 2 * w_offset, viewed);
|
| 1040 |
|
|
}
|
| 1041 |
|
|
|
| 1042 |
|
|
void getconsxy(int currcons, char *p)
|
| 1043 |
|
|
{
|
| 1044 |
|
|
p[0] = x;
|
| 1045 |
|
|
p[1] = y;
|
| 1046 |
|
|
}
|
| 1047 |
|
|
|
| 1048 |
|
|
void putconsxy(int currcons, char *p)
|
| 1049 |
|
|
{
|
| 1050 |
|
|
gotoxy(currcons, p[0], p[1]);
|
| 1051 |
|
|
set_cursor(currcons);
|
| 1052 |
|
|
}
|
| 1053 |
|
|
|
| 1054 |
|
|
static void set_mode(int currcons, int on_off)
|
| 1055 |
|
|
{
|
| 1056 |
|
|
int i;
|
| 1057 |
|
|
|
| 1058 |
|
|
for (i=0; i<=npar; i++)
|
| 1059 |
|
|
if (ques) switch(par[i]) { /* DEC private modes set/reset */
|
| 1060 |
|
|
case 1: /* Cursor keys send ^[Ox/^[[x */
|
| 1061 |
|
|
if (on_off)
|
| 1062 |
|
|
set_kbd(decckm);
|
| 1063 |
|
|
else
|
| 1064 |
|
|
clr_kbd(decckm);
|
| 1065 |
|
|
break;
|
| 1066 |
|
|
case 3: /* 80/132 mode switch unimplemented */
|
| 1067 |
|
|
deccolm = on_off;
|
| 1068 |
|
|
#if 0
|
| 1069 |
|
|
(void) vc_resize(video_num_lines, deccolm ? 132 : 80);
|
| 1070 |
|
|
/* this alone does not suffice; some user mode
|
| 1071 |
|
|
utility has to change the hardware regs */
|
| 1072 |
|
|
#endif
|
| 1073 |
|
|
break;
|
| 1074 |
|
|
case 5: /* Inverted screen on/off */
|
| 1075 |
|
|
if (decscnm != on_off) {
|
| 1076 |
|
|
decscnm = on_off;
|
| 1077 |
|
|
invert_screen(currcons, 0, video_screen_size, 0);
|
| 1078 |
|
|
update_attr(currcons);
|
| 1079 |
|
|
}
|
| 1080 |
|
|
break;
|
| 1081 |
|
|
case 6: /* Origin relative/absolute */
|
| 1082 |
|
|
decom = on_off;
|
| 1083 |
|
|
gotoxay(currcons,0,0);
|
| 1084 |
|
|
break;
|
| 1085 |
|
|
case 7: /* Autowrap on/off */
|
| 1086 |
|
|
decawm = on_off;
|
| 1087 |
|
|
break;
|
| 1088 |
|
|
case 8: /* Autorepeat on/off */
|
| 1089 |
|
|
if (on_off)
|
| 1090 |
|
|
set_kbd(decarm);
|
| 1091 |
|
|
else
|
| 1092 |
|
|
clr_kbd(decarm);
|
| 1093 |
|
|
break;
|
| 1094 |
|
|
case 9:
|
| 1095 |
|
|
report_mouse = on_off ? 1 : 0;
|
| 1096 |
|
|
break;
|
| 1097 |
|
|
case 25: /* Cursor on/off */
|
| 1098 |
|
|
deccm = on_off;
|
| 1099 |
|
|
set_cursor(currcons);
|
| 1100 |
|
|
break;
|
| 1101 |
|
|
case 1000:
|
| 1102 |
|
|
report_mouse = on_off ? 2 : 0;
|
| 1103 |
|
|
break;
|
| 1104 |
|
|
} else switch(par[i]) { /* ANSI modes set/reset */
|
| 1105 |
|
|
case 3: /* Monitor (display ctrls) */
|
| 1106 |
|
|
disp_ctrl = on_off;
|
| 1107 |
|
|
break;
|
| 1108 |
|
|
case 4: /* Insert Mode on/off */
|
| 1109 |
|
|
decim = on_off;
|
| 1110 |
|
|
break;
|
| 1111 |
|
|
case 20: /* Lf, Enter == CrLf/Lf */
|
| 1112 |
|
|
if (on_off)
|
| 1113 |
|
|
set_kbd(lnm);
|
| 1114 |
|
|
else
|
| 1115 |
|
|
clr_kbd(lnm);
|
| 1116 |
|
|
break;
|
| 1117 |
|
|
}
|
| 1118 |
|
|
}
|
| 1119 |
|
|
|
| 1120 |
|
|
static void setterm_command(int currcons)
|
| 1121 |
|
|
{
|
| 1122 |
|
|
switch(par[0]) {
|
| 1123 |
|
|
case 1: /* set color for underline mode */
|
| 1124 |
|
|
if (can_do_color && par[1] < 16) {
|
| 1125 |
|
|
ulcolor = color_table[par[1]];
|
| 1126 |
|
|
if (underline)
|
| 1127 |
|
|
update_attr(currcons);
|
| 1128 |
|
|
}
|
| 1129 |
|
|
break;
|
| 1130 |
|
|
case 2: /* set color for half intensity mode */
|
| 1131 |
|
|
if (can_do_color && par[1] < 16) {
|
| 1132 |
|
|
halfcolor = color_table[par[1]];
|
| 1133 |
|
|
if (intensity == 0)
|
| 1134 |
|
|
update_attr(currcons);
|
| 1135 |
|
|
}
|
| 1136 |
|
|
break;
|
| 1137 |
|
|
case 8: /* store colors as defaults */
|
| 1138 |
|
|
def_color = attr;
|
| 1139 |
|
|
default_attr(currcons);
|
| 1140 |
|
|
update_attr(currcons);
|
| 1141 |
|
|
break;
|
| 1142 |
|
|
case 9: /* set blanking interval */
|
| 1143 |
|
|
blankinterval = ((par[1] < 60) ? par[1] : 60) * 60 * HZ;
|
| 1144 |
|
|
poke_blanked_console();
|
| 1145 |
|
|
break;
|
| 1146 |
|
|
case 10: /* set bell frequency in Hz */
|
| 1147 |
|
|
if (npar >= 1)
|
| 1148 |
|
|
bell_pitch = par[1];
|
| 1149 |
|
|
else
|
| 1150 |
|
|
bell_pitch = DEFAULT_BELL_PITCH;
|
| 1151 |
|
|
break;
|
| 1152 |
|
|
case 11: /* set bell duration in msec */
|
| 1153 |
|
|
if (npar >= 1)
|
| 1154 |
|
|
bell_duration = (par[1] < 2000) ?
|
| 1155 |
|
|
par[1]*HZ/1000 : 0;
|
| 1156 |
|
|
else
|
| 1157 |
|
|
bell_duration = DEFAULT_BELL_DURATION;
|
| 1158 |
|
|
break;
|
| 1159 |
|
|
case 12: /* bring specified console to the front */
|
| 1160 |
|
|
if (par[1] >= 1 && vc_cons_allocated(par[1]-1))
|
| 1161 |
|
|
update_screen(par[1]-1);
|
| 1162 |
|
|
break;
|
| 1163 |
|
|
case 13: /* unblank the screen */
|
| 1164 |
|
|
unblank_screen();
|
| 1165 |
|
|
break;
|
| 1166 |
|
|
case 14: /* set vesa powerdown interval */
|
| 1167 |
|
|
vesa_off_interval = ((par[1] < 60) ? par[1] : 60) * 60 * HZ;
|
| 1168 |
|
|
break;
|
| 1169 |
|
|
}
|
| 1170 |
|
|
}
|
| 1171 |
|
|
|
| 1172 |
|
|
static void insert_char(int currcons)
|
| 1173 |
|
|
{
|
| 1174 |
|
|
unsigned int i = x;
|
| 1175 |
|
|
unsigned short tmp, old = video_erase_char;
|
| 1176 |
|
|
unsigned short * p = (unsigned short *) pos;
|
| 1177 |
|
|
|
| 1178 |
|
|
while (i++ < video_num_columns) {
|
| 1179 |
|
|
tmp = scr_readw(p);
|
| 1180 |
|
|
scr_writew(old, p);
|
| 1181 |
|
|
old = tmp;
|
| 1182 |
|
|
p++;
|
| 1183 |
|
|
}
|
| 1184 |
|
|
need_wrap = 0;
|
| 1185 |
|
|
}
|
| 1186 |
|
|
|
| 1187 |
|
|
static void insert_line(int currcons, unsigned int nr)
|
| 1188 |
|
|
{
|
| 1189 |
|
|
scrdown(currcons, y, bottom, nr);
|
| 1190 |
|
|
need_wrap = 0;
|
| 1191 |
|
|
}
|
| 1192 |
|
|
|
| 1193 |
|
|
static void delete_char(int currcons)
|
| 1194 |
|
|
{
|
| 1195 |
|
|
unsigned int i = x;
|
| 1196 |
|
|
unsigned short * p = (unsigned short *) pos;
|
| 1197 |
|
|
|
| 1198 |
|
|
while (++i < video_num_columns) {
|
| 1199 |
|
|
scr_writew(scr_readw(p+1), p);
|
| 1200 |
|
|
p++;
|
| 1201 |
|
|
}
|
| 1202 |
|
|
scr_writew(video_erase_char, p);
|
| 1203 |
|
|
need_wrap = 0;
|
| 1204 |
|
|
}
|
| 1205 |
|
|
|
| 1206 |
|
|
static void delete_line(int currcons, unsigned int nr)
|
| 1207 |
|
|
{
|
| 1208 |
|
|
scrup(currcons, y, bottom, nr);
|
| 1209 |
|
|
need_wrap = 0;
|
| 1210 |
|
|
}
|
| 1211 |
|
|
|
| 1212 |
|
|
static void csi_at(int currcons, unsigned int nr)
|
| 1213 |
|
|
{
|
| 1214 |
|
|
if (nr > video_num_columns)
|
| 1215 |
|
|
nr = video_num_columns;
|
| 1216 |
|
|
else if (!nr)
|
| 1217 |
|
|
nr = 1;
|
| 1218 |
|
|
while (nr--)
|
| 1219 |
|
|
insert_char(currcons);
|
| 1220 |
|
|
}
|
| 1221 |
|
|
|
| 1222 |
|
|
static void csi_L(int currcons, unsigned int nr)
|
| 1223 |
|
|
{
|
| 1224 |
|
|
if (nr > video_num_lines)
|
| 1225 |
|
|
nr = video_num_lines;
|
| 1226 |
|
|
else if (!nr)
|
| 1227 |
|
|
nr = 1;
|
| 1228 |
|
|
insert_line(currcons, nr);
|
| 1229 |
|
|
}
|
| 1230 |
|
|
|
| 1231 |
|
|
static void csi_P(int currcons, unsigned int nr)
|
| 1232 |
|
|
{
|
| 1233 |
|
|
if (nr > video_num_columns)
|
| 1234 |
|
|
nr = video_num_columns;
|
| 1235 |
|
|
else if (!nr)
|
| 1236 |
|
|
nr = 1;
|
| 1237 |
|
|
while (nr--)
|
| 1238 |
|
|
delete_char(currcons);
|
| 1239 |
|
|
}
|
| 1240 |
|
|
|
| 1241 |
|
|
static void csi_M(int currcons, unsigned int nr)
|
| 1242 |
|
|
{
|
| 1243 |
|
|
if (nr > video_num_lines)
|
| 1244 |
|
|
nr = video_num_lines;
|
| 1245 |
|
|
else if (!nr)
|
| 1246 |
|
|
nr=1;
|
| 1247 |
|
|
delete_line(currcons, nr);
|
| 1248 |
|
|
}
|
| 1249 |
|
|
|
| 1250 |
|
|
static void save_cur(int currcons)
|
| 1251 |
|
|
{
|
| 1252 |
|
|
saved_x = x;
|
| 1253 |
|
|
saved_y = y;
|
| 1254 |
|
|
s_intensity = intensity;
|
| 1255 |
|
|
s_underline = underline;
|
| 1256 |
|
|
s_blink = blink;
|
| 1257 |
|
|
s_reverse = reverse;
|
| 1258 |
|
|
s_charset = charset;
|
| 1259 |
|
|
s_color = color;
|
| 1260 |
|
|
saved_G0 = G0_charset;
|
| 1261 |
|
|
saved_G1 = G1_charset;
|
| 1262 |
|
|
}
|
| 1263 |
|
|
|
| 1264 |
|
|
static void restore_cur(int currcons)
|
| 1265 |
|
|
{
|
| 1266 |
|
|
gotoxy(currcons,saved_x,saved_y);
|
| 1267 |
|
|
intensity = s_intensity;
|
| 1268 |
|
|
underline = s_underline;
|
| 1269 |
|
|
blink = s_blink;
|
| 1270 |
|
|
reverse = s_reverse;
|
| 1271 |
|
|
charset = s_charset;
|
| 1272 |
|
|
color = s_color;
|
| 1273 |
|
|
G0_charset = saved_G0;
|
| 1274 |
|
|
G1_charset = saved_G1;
|
| 1275 |
|
|
translate = set_translate(charset ? G1_charset : G0_charset);
|
| 1276 |
|
|
update_attr(currcons);
|
| 1277 |
|
|
need_wrap = 0;
|
| 1278 |
|
|
}
|
| 1279 |
|
|
|
| 1280 |
|
|
enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey,
|
| 1281 |
|
|
EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd,
|
| 1282 |
|
|
ESpalette };
|
| 1283 |
|
|
|
| 1284 |
|
|
static void reset_terminal(int currcons, int do_clear)
|
| 1285 |
|
|
{
|
| 1286 |
|
|
top = 0;
|
| 1287 |
|
|
bottom = video_num_lines;
|
| 1288 |
|
|
vc_state = ESnormal;
|
| 1289 |
|
|
ques = 0;
|
| 1290 |
|
|
translate = set_translate(LAT1_MAP);
|
| 1291 |
|
|
G0_charset = LAT1_MAP;
|
| 1292 |
|
|
G1_charset = GRAF_MAP;
|
| 1293 |
|
|
charset = 0;
|
| 1294 |
|
|
need_wrap = 0;
|
| 1295 |
|
|
report_mouse = 0;
|
| 1296 |
|
|
utf = 0;
|
| 1297 |
|
|
utf_count = 0;
|
| 1298 |
|
|
|
| 1299 |
|
|
disp_ctrl = 0;
|
| 1300 |
|
|
toggle_meta = 0;
|
| 1301 |
|
|
|
| 1302 |
|
|
decscnm = 0;
|
| 1303 |
|
|
decom = 0;
|
| 1304 |
|
|
decawm = 1;
|
| 1305 |
|
|
deccm = 1;
|
| 1306 |
|
|
decim = 0;
|
| 1307 |
|
|
|
| 1308 |
|
|
set_kbd(decarm);
|
| 1309 |
|
|
clr_kbd(decckm);
|
| 1310 |
|
|
clr_kbd(kbdapplic);
|
| 1311 |
|
|
clr_kbd(lnm);
|
| 1312 |
|
|
kbd_table[currcons].lockstate = 0;
|
| 1313 |
|
|
kbd_table[currcons].slockstate = 0;
|
| 1314 |
|
|
kbd_table[currcons].ledmode = LED_SHOW_FLAGS;
|
| 1315 |
|
|
kbd_table[currcons].ledflagstate = kbd_table[currcons].default_ledflagstate;
|
| 1316 |
|
|
set_leds();
|
| 1317 |
|
|
|
| 1318 |
|
|
default_attr(currcons);
|
| 1319 |
|
|
update_attr(currcons);
|
| 1320 |
|
|
|
| 1321 |
|
|
tab_stop[0] = 0x01010100;
|
| 1322 |
|
|
tab_stop[1] =
|
| 1323 |
|
|
tab_stop[2] =
|
| 1324 |
|
|
tab_stop[3] =
|
| 1325 |
|
|
tab_stop[4] = 0x01010101;
|
| 1326 |
|
|
|
| 1327 |
|
|
bell_pitch = DEFAULT_BELL_PITCH;
|
| 1328 |
|
|
bell_duration = DEFAULT_BELL_DURATION;
|
| 1329 |
|
|
|
| 1330 |
|
|
gotoxy(currcons,0,0);
|
| 1331 |
|
|
save_cur(currcons);
|
| 1332 |
|
|
if (do_clear)
|
| 1333 |
|
|
csi_J(currcons,2);
|
| 1334 |
|
|
}
|
| 1335 |
|
|
|
| 1336 |
|
|
/*
|
| 1337 |
|
|
* Turn the Scroll-Lock LED on when the tty is stopped
|
| 1338 |
|
|
*/
|
| 1339 |
|
|
static void con_stop(struct tty_struct *tty)
|
| 1340 |
|
|
{
|
| 1341 |
|
|
int console_num;
|
| 1342 |
|
|
if (!tty)
|
| 1343 |
|
|
return;
|
| 1344 |
|
|
console_num = MINOR(tty->device) - (tty->driver.minor_start);
|
| 1345 |
|
|
if (!vc_cons_allocated(console_num))
|
| 1346 |
|
|
return;
|
| 1347 |
|
|
set_vc_kbd_led(kbd_table + console_num, VC_SCROLLOCK);
|
| 1348 |
|
|
set_leds();
|
| 1349 |
|
|
}
|
| 1350 |
|
|
|
| 1351 |
|
|
/*
|
| 1352 |
|
|
* Turn the Scroll-Lock LED off when the console is started
|
| 1353 |
|
|
*/
|
| 1354 |
|
|
static void con_start(struct tty_struct *tty)
|
| 1355 |
|
|
{
|
| 1356 |
|
|
int console_num;
|
| 1357 |
|
|
if (!tty)
|
| 1358 |
|
|
return;
|
| 1359 |
|
|
console_num = MINOR(tty->device) - (tty->driver.minor_start);
|
| 1360 |
|
|
if (!vc_cons_allocated(console_num))
|
| 1361 |
|
|
return;
|
| 1362 |
|
|
clr_vc_kbd_led(kbd_table + console_num, VC_SCROLLOCK);
|
| 1363 |
|
|
set_leds();
|
| 1364 |
|
|
}
|
| 1365 |
|
|
|
| 1366 |
|
|
static int con_write(struct tty_struct * tty, int from_user,
|
| 1367 |
|
|
const unsigned char *buf, int count)
|
| 1368 |
|
|
{
|
| 1369 |
|
|
int c, tc, ok, n = 0;
|
| 1370 |
|
|
unsigned int currcons;
|
| 1371 |
|
|
struct vt_struct *vt = (struct vt_struct *)tty->driver_data;
|
| 1372 |
|
|
|
| 1373 |
|
|
currcons = vt->vc_num;
|
| 1374 |
|
|
if (!vc_cons_allocated(currcons)) {
|
| 1375 |
|
|
/* could this happen? */
|
| 1376 |
|
|
static int error = 0;
|
| 1377 |
|
|
if (!error) {
|
| 1378 |
|
|
error = 1;
|
| 1379 |
|
|
printk("con_write: tty %d not allocated\n", currcons+1);
|
| 1380 |
|
|
}
|
| 1381 |
|
|
return 0;
|
| 1382 |
|
|
}
|
| 1383 |
|
|
|
| 1384 |
|
|
if (currcons == sel_cons)
|
| 1385 |
|
|
clear_selection();
|
| 1386 |
|
|
|
| 1387 |
|
|
disable_bh(CONSOLE_BH);
|
| 1388 |
|
|
while (!tty->stopped && count) {
|
| 1389 |
|
|
enable_bh(CONSOLE_BH);
|
| 1390 |
|
|
c = from_user ? get_user(buf) : *buf;
|
| 1391 |
|
|
buf++; n++; count--;
|
| 1392 |
|
|
disable_bh(CONSOLE_BH);
|
| 1393 |
|
|
|
| 1394 |
|
|
if (utf) {
|
| 1395 |
|
|
/* Combine UTF-8 into Unicode */
|
| 1396 |
|
|
/* Incomplete characters silently ignored */
|
| 1397 |
|
|
if(c > 0x7f) {
|
| 1398 |
|
|
if (utf_count > 0 && (c & 0xc0) == 0x80) {
|
| 1399 |
|
|
utf_char = (utf_char << 6) | (c & 0x3f);
|
| 1400 |
|
|
utf_count--;
|
| 1401 |
|
|
if (utf_count == 0)
|
| 1402 |
|
|
tc = c = utf_char;
|
| 1403 |
|
|
else continue;
|
| 1404 |
|
|
} else {
|
| 1405 |
|
|
if ((c & 0xe0) == 0xc0) {
|
| 1406 |
|
|
utf_count = 1;
|
| 1407 |
|
|
utf_char = (c & 0x1f);
|
| 1408 |
|
|
} else if ((c & 0xf0) == 0xe0) {
|
| 1409 |
|
|
utf_count = 2;
|
| 1410 |
|
|
utf_char = (c & 0x0f);
|
| 1411 |
|
|
} else if ((c & 0xf8) == 0xf0) {
|
| 1412 |
|
|
utf_count = 3;
|
| 1413 |
|
|
utf_char = (c & 0x07);
|
| 1414 |
|
|
} else if ((c & 0xfc) == 0xf8) {
|
| 1415 |
|
|
utf_count = 4;
|
| 1416 |
|
|
utf_char = (c & 0x03);
|
| 1417 |
|
|
} else if ((c & 0xfe) == 0xfc) {
|
| 1418 |
|
|
utf_count = 5;
|
| 1419 |
|
|
utf_char = (c & 0x01);
|
| 1420 |
|
|
} else
|
| 1421 |
|
|
utf_count = 0;
|
| 1422 |
|
|
continue;
|
| 1423 |
|
|
}
|
| 1424 |
|
|
} else {
|
| 1425 |
|
|
tc = c;
|
| 1426 |
|
|
utf_count = 0;
|
| 1427 |
|
|
}
|
| 1428 |
|
|
} else { /* no utf */
|
| 1429 |
|
|
tc = translate[toggle_meta ? (c|0x80) : c];
|
| 1430 |
|
|
}
|
| 1431 |
|
|
|
| 1432 |
|
|
/* If the original code was a control character we
|
| 1433 |
|
|
* only allow a glyph to be displayed if the code is
|
| 1434 |
|
|
* not normally used (such as for cursor movement) or
|
| 1435 |
|
|
* if the disp_ctrl mode has been explicitly enabled.
|
| 1436 |
|
|
* Certain characters (as given by the CTRL_ALWAYS
|
| 1437 |
|
|
* bitmap) are always displayed as control characters,
|
| 1438 |
|
|
* as the console would be pretty useless without
|
| 1439 |
|
|
* them; to display an arbitrary font position use the
|
| 1440 |
|
|
* direct-to-font zone in UTF-8 mode.
|
| 1441 |
|
|
*/
|
| 1442 |
|
|
ok = tc && (c >= 32 ||
|
| 1443 |
|
|
(!utf && !(((disp_ctrl ? CTRL_ALWAYS
|
| 1444 |
|
|
: CTRL_ACTION) >> c) & 1)))
|
| 1445 |
|
|
&& (c != 127 || disp_ctrl)
|
| 1446 |
|
|
&& (c != 128+27);
|
| 1447 |
|
|
|
| 1448 |
|
|
if (vc_state == ESnormal && ok) {
|
| 1449 |
|
|
/* Now try to find out how to display it */
|
| 1450 |
|
|
tc = conv_uni_to_pc(tc);
|
| 1451 |
|
|
if ( tc == -4 ) {
|
| 1452 |
|
|
/* If we got -4 (not found) then see if we have
|
| 1453 |
|
|
defined a replacement character (U+FFFD) */
|
| 1454 |
|
|
tc = conv_uni_to_pc(0xfffd);
|
| 1455 |
|
|
} else if ( tc == -3 ) {
|
| 1456 |
|
|
/* Bad hash table -- hope for the best */
|
| 1457 |
|
|
tc = c;
|
| 1458 |
|
|
}
|
| 1459 |
|
|
if (tc & ~console_charmask)
|
| 1460 |
|
|
continue; /* Conversion failed */
|
| 1461 |
|
|
|
| 1462 |
|
|
if (need_wrap) {
|
| 1463 |
|
|
cr(currcons);
|
| 1464 |
|
|
lf(currcons);
|
| 1465 |
|
|
}
|
| 1466 |
|
|
if (decim)
|
| 1467 |
|
|
insert_char(currcons);
|
| 1468 |
|
|
scr_writew( video_mode_512ch ?
|
| 1469 |
|
|
((attr & 0xf7) << 8) + ((tc & 0x100) << 3) +
|
| 1470 |
|
|
(tc & 0x0ff) : (attr << 8) + tc,
|
| 1471 |
|
|
(unsigned short *) pos);
|
| 1472 |
|
|
if (x == video_num_columns - 1)
|
| 1473 |
|
|
need_wrap = decawm;
|
| 1474 |
|
|
else {
|
| 1475 |
|
|
x++;
|
| 1476 |
|
|
pos+=2;
|
| 1477 |
|
|
}
|
| 1478 |
|
|
continue;
|
| 1479 |
|
|
}
|
| 1480 |
|
|
|
| 1481 |
|
|
/*
|
| 1482 |
|
|
* Control characters can be used in the _middle_
|
| 1483 |
|
|
* of an escape sequence.
|
| 1484 |
|
|
*/
|
| 1485 |
|
|
switch (c) {
|
| 1486 |
|
|
case 0:
|
| 1487 |
|
|
continue;
|
| 1488 |
|
|
case 7:
|
| 1489 |
|
|
if (bell_duration)
|
| 1490 |
|
|
kd_mksound(bell_pitch, bell_duration);
|
| 1491 |
|
|
continue;
|
| 1492 |
|
|
case 8:
|
| 1493 |
|
|
bs(currcons);
|
| 1494 |
|
|
continue;
|
| 1495 |
|
|
case 9:
|
| 1496 |
|
|
pos -= (x << 1);
|
| 1497 |
|
|
while (x < video_num_columns - 1) {
|
| 1498 |
|
|
x++;
|
| 1499 |
|
|
if (tab_stop[x >> 5] & (1 << (x & 31)))
|
| 1500 |
|
|
break;
|
| 1501 |
|
|
}
|
| 1502 |
|
|
pos += (x << 1);
|
| 1503 |
|
|
continue;
|
| 1504 |
|
|
case 10: case 11: case 12:
|
| 1505 |
|
|
lf(currcons);
|
| 1506 |
|
|
if (!is_kbd(lnm))
|
| 1507 |
|
|
continue;
|
| 1508 |
|
|
case 13:
|
| 1509 |
|
|
cr(currcons);
|
| 1510 |
|
|
continue;
|
| 1511 |
|
|
case 14:
|
| 1512 |
|
|
charset = 1;
|
| 1513 |
|
|
translate = set_translate(G1_charset);
|
| 1514 |
|
|
disp_ctrl = 1;
|
| 1515 |
|
|
continue;
|
| 1516 |
|
|
case 15:
|
| 1517 |
|
|
charset = 0;
|
| 1518 |
|
|
translate = set_translate(G0_charset);
|
| 1519 |
|
|
disp_ctrl = 0;
|
| 1520 |
|
|
continue;
|
| 1521 |
|
|
case 24: case 26:
|
| 1522 |
|
|
vc_state = ESnormal;
|
| 1523 |
|
|
continue;
|
| 1524 |
|
|
case 27:
|
| 1525 |
|
|
vc_state = ESesc;
|
| 1526 |
|
|
continue;
|
| 1527 |
|
|
case 127:
|
| 1528 |
|
|
del(currcons);
|
| 1529 |
|
|
continue;
|
| 1530 |
|
|
case 128+27:
|
| 1531 |
|
|
vc_state = ESsquare;
|
| 1532 |
|
|
continue;
|
| 1533 |
|
|
}
|
| 1534 |
|
|
switch(vc_state) {
|
| 1535 |
|
|
case ESesc:
|
| 1536 |
|
|
vc_state = ESnormal;
|
| 1537 |
|
|
switch (c) {
|
| 1538 |
|
|
case '[':
|
| 1539 |
|
|
vc_state = ESsquare;
|
| 1540 |
|
|
continue;
|
| 1541 |
|
|
case ']':
|
| 1542 |
|
|
vc_state = ESnonstd;
|
| 1543 |
|
|
continue;
|
| 1544 |
|
|
case '%':
|
| 1545 |
|
|
vc_state = ESpercent;
|
| 1546 |
|
|
continue;
|
| 1547 |
|
|
case 'E':
|
| 1548 |
|
|
cr(currcons);
|
| 1549 |
|
|
lf(currcons);
|
| 1550 |
|
|
continue;
|
| 1551 |
|
|
case 'M':
|
| 1552 |
|
|
ri(currcons);
|
| 1553 |
|
|
continue;
|
| 1554 |
|
|
case 'D':
|
| 1555 |
|
|
lf(currcons);
|
| 1556 |
|
|
continue;
|
| 1557 |
|
|
case 'H':
|
| 1558 |
|
|
tab_stop[x >> 5] |= (1 << (x & 31));
|
| 1559 |
|
|
continue;
|
| 1560 |
|
|
case 'Z':
|
| 1561 |
|
|
respond_ID(tty);
|
| 1562 |
|
|
continue;
|
| 1563 |
|
|
case '7':
|
| 1564 |
|
|
save_cur(currcons);
|
| 1565 |
|
|
continue;
|
| 1566 |
|
|
case '8':
|
| 1567 |
|
|
restore_cur(currcons);
|
| 1568 |
|
|
continue;
|
| 1569 |
|
|
case '(':
|
| 1570 |
|
|
vc_state = ESsetG0;
|
| 1571 |
|
|
continue;
|
| 1572 |
|
|
case ')':
|
| 1573 |
|
|
vc_state = ESsetG1;
|
| 1574 |
|
|
continue;
|
| 1575 |
|
|
case '#':
|
| 1576 |
|
|
vc_state = EShash;
|
| 1577 |
|
|
continue;
|
| 1578 |
|
|
case 'c':
|
| 1579 |
|
|
reset_terminal(currcons,1);
|
| 1580 |
|
|
continue;
|
| 1581 |
|
|
case '>': /* Numeric keypad */
|
| 1582 |
|
|
clr_kbd(kbdapplic);
|
| 1583 |
|
|
continue;
|
| 1584 |
|
|
case '=': /* Appl. keypad */
|
| 1585 |
|
|
set_kbd(kbdapplic);
|
| 1586 |
|
|
continue;
|
| 1587 |
|
|
}
|
| 1588 |
|
|
continue;
|
| 1589 |
|
|
case ESnonstd:
|
| 1590 |
|
|
if (c=='P') { /* palette escape sequence */
|
| 1591 |
|
|
for (npar=0; npar<NPAR; npar++)
|
| 1592 |
|
|
par[npar] = 0 ;
|
| 1593 |
|
|
npar = 0 ;
|
| 1594 |
|
|
vc_state = ESpalette;
|
| 1595 |
|
|
continue;
|
| 1596 |
|
|
} else if (c=='R') { /* reset palette */
|
| 1597 |
|
|
reset_palette (currcons);
|
| 1598 |
|
|
vc_state = ESnormal;
|
| 1599 |
|
|
} else
|
| 1600 |
|
|
vc_state = ESnormal;
|
| 1601 |
|
|
continue;
|
| 1602 |
|
|
case ESpalette:
|
| 1603 |
|
|
if ( (c>='0'&&c<='9') || (c>='A'&&c<='F') || (c>='a'&&c<='f') ) {
|
| 1604 |
|
|
par[npar++] = (c>'9' ? (c&0xDF)-'A'+10 : c-'0') ;
|
| 1605 |
|
|
if (npar==7) {
|
| 1606 |
|
|
int i = par[0]*3, j = 1;
|
| 1607 |
|
|
palette[i] = 16*par[j++];
|
| 1608 |
|
|
palette[i++] += par[j++];
|
| 1609 |
|
|
palette[i] = 16*par[j++];
|
| 1610 |
|
|
palette[i++] += par[j++];
|
| 1611 |
|
|
palette[i] = 16*par[j++];
|
| 1612 |
|
|
palette[i] += par[j];
|
| 1613 |
|
|
set_palette() ;
|
| 1614 |
|
|
vc_state = ESnormal;
|
| 1615 |
|
|
}
|
| 1616 |
|
|
} else
|
| 1617 |
|
|
vc_state = ESnormal;
|
| 1618 |
|
|
continue;
|
| 1619 |
|
|
case ESsquare:
|
| 1620 |
|
|
for(npar = 0 ; npar < NPAR ; npar++)
|
| 1621 |
|
|
par[npar] = 0;
|
| 1622 |
|
|
npar = 0;
|
| 1623 |
|
|
vc_state = ESgetpars;
|
| 1624 |
|
|
if (c == '[') { /* Function key */
|
| 1625 |
|
|
vc_state=ESfunckey;
|
| 1626 |
|
|
continue;
|
| 1627 |
|
|
}
|
| 1628 |
|
|
ques = (c=='?');
|
| 1629 |
|
|
if (ques)
|
| 1630 |
|
|
continue;
|
| 1631 |
|
|
case ESgetpars:
|
| 1632 |
|
|
if (c==';' && npar<NPAR-1) {
|
| 1633 |
|
|
npar++;
|
| 1634 |
|
|
continue;
|
| 1635 |
|
|
} else if (c>='0' && c<='9') {
|
| 1636 |
|
|
par[npar] *= 10;
|
| 1637 |
|
|
par[npar] += c-'0';
|
| 1638 |
|
|
continue;
|
| 1639 |
|
|
} else vc_state=ESgotpars;
|
| 1640 |
|
|
case ESgotpars:
|
| 1641 |
|
|
vc_state = ESnormal;
|
| 1642 |
|
|
switch(c) {
|
| 1643 |
|
|
case 'h':
|
| 1644 |
|
|
set_mode(currcons,1);
|
| 1645 |
|
|
continue;
|
| 1646 |
|
|
case 'l':
|
| 1647 |
|
|
set_mode(currcons,0);
|
| 1648 |
|
|
continue;
|
| 1649 |
|
|
case 'n':
|
| 1650 |
|
|
if (!ques)
|
| 1651 |
|
|
if (par[0] == 5)
|
| 1652 |
|
|
status_report(tty);
|
| 1653 |
|
|
else if (par[0] == 6)
|
| 1654 |
|
|
cursor_report(currcons,tty);
|
| 1655 |
|
|
continue;
|
| 1656 |
|
|
}
|
| 1657 |
|
|
if (ques) {
|
| 1658 |
|
|
ques = 0;
|
| 1659 |
|
|
continue;
|
| 1660 |
|
|
}
|
| 1661 |
|
|
switch(c) {
|
| 1662 |
|
|
case 'G': case '`':
|
| 1663 |
|
|
if (par[0]) par[0]--;
|
| 1664 |
|
|
gotoxy(currcons,par[0],y);
|
| 1665 |
|
|
continue;
|
| 1666 |
|
|
case 'A':
|
| 1667 |
|
|
if (!par[0]) par[0]++;
|
| 1668 |
|
|
gotoxy(currcons,x,y-par[0]);
|
| 1669 |
|
|
continue;
|
| 1670 |
|
|
case 'B': case 'e':
|
| 1671 |
|
|
if (!par[0]) par[0]++;
|
| 1672 |
|
|
gotoxy(currcons,x,y+par[0]);
|
| 1673 |
|
|
continue;
|
| 1674 |
|
|
case 'C': case 'a':
|
| 1675 |
|
|
if (!par[0]) par[0]++;
|
| 1676 |
|
|
gotoxy(currcons,x+par[0],y);
|
| 1677 |
|
|
continue;
|
| 1678 |
|
|
case 'D':
|
| 1679 |
|
|
if (!par[0]) par[0]++;
|
| 1680 |
|
|
gotoxy(currcons,x-par[0],y);
|
| 1681 |
|
|
continue;
|
| 1682 |
|
|
case 'E':
|
| 1683 |
|
|
if (!par[0]) par[0]++;
|
| 1684 |
|
|
gotoxy(currcons,0,y+par[0]);
|
| 1685 |
|
|
continue;
|
| 1686 |
|
|
case 'F':
|
| 1687 |
|
|
if (!par[0]) par[0]++;
|
| 1688 |
|
|
gotoxy(currcons,0,y-par[0]);
|
| 1689 |
|
|
continue;
|
| 1690 |
|
|
case 'd':
|
| 1691 |
|
|
if (par[0]) par[0]--;
|
| 1692 |
|
|
gotoxay(currcons,x,par[0]);
|
| 1693 |
|
|
continue;
|
| 1694 |
|
|
case 'H': case 'f':
|
| 1695 |
|
|
if (par[0]) par[0]--;
|
| 1696 |
|
|
if (par[1]) par[1]--;
|
| 1697 |
|
|
gotoxay(currcons,par[1],par[0]);
|
| 1698 |
|
|
continue;
|
| 1699 |
|
|
case 'J':
|
| 1700 |
|
|
csi_J(currcons,par[0]);
|
| 1701 |
|
|
continue;
|
| 1702 |
|
|
case 'K':
|
| 1703 |
|
|
csi_K(currcons,par[0]);
|
| 1704 |
|
|
continue;
|
| 1705 |
|
|
case 'L':
|
| 1706 |
|
|
csi_L(currcons,par[0]);
|
| 1707 |
|
|
continue;
|
| 1708 |
|
|
case 'M':
|
| 1709 |
|
|
csi_M(currcons,par[0]);
|
| 1710 |
|
|
continue;
|
| 1711 |
|
|
case 'P':
|
| 1712 |
|
|
csi_P(currcons,par[0]);
|
| 1713 |
|
|
continue;
|
| 1714 |
|
|
case 'c':
|
| 1715 |
|
|
if (!par[0])
|
| 1716 |
|
|
respond_ID(tty);
|
| 1717 |
|
|
continue;
|
| 1718 |
|
|
case 'g':
|
| 1719 |
|
|
if (!par[0])
|
| 1720 |
|
|
tab_stop[x >> 5] &= ~(1 << (x & 31));
|
| 1721 |
|
|
else if (par[0] == 3) {
|
| 1722 |
|
|
tab_stop[0] =
|
| 1723 |
|
|
tab_stop[1] =
|
| 1724 |
|
|
tab_stop[2] =
|
| 1725 |
|
|
tab_stop[3] =
|
| 1726 |
|
|
tab_stop[4] = 0;
|
| 1727 |
|
|
}
|
| 1728 |
|
|
continue;
|
| 1729 |
|
|
case 'm':
|
| 1730 |
|
|
csi_m(currcons);
|
| 1731 |
|
|
continue;
|
| 1732 |
|
|
case 'q': /* DECLL - but only 3 leds */
|
| 1733 |
|
|
/* map 0,1,2,3 to 0,1,2,4 */
|
| 1734 |
|
|
if (par[0] < 4)
|
| 1735 |
|
|
setledstate(kbd_table + currcons,
|
| 1736 |
|
|
(par[0] < 3) ? par[0] : 4);
|
| 1737 |
|
|
continue;
|
| 1738 |
|
|
case 'r':
|
| 1739 |
|
|
if (!par[0])
|
| 1740 |
|
|
par[0]++;
|
| 1741 |
|
|
if (!par[1])
|
| 1742 |
|
|
par[1] = video_num_lines;
|
| 1743 |
|
|
/* Minimum allowed region is 2 lines */
|
| 1744 |
|
|
if (par[0] < par[1] &&
|
| 1745 |
|
|
par[1] <= video_num_lines) {
|
| 1746 |
|
|
top=par[0]-1;
|
| 1747 |
|
|
bottom=par[1];
|
| 1748 |
|
|
gotoxay(currcons,0,0);
|
| 1749 |
|
|
}
|
| 1750 |
|
|
continue;
|
| 1751 |
|
|
case 's':
|
| 1752 |
|
|
save_cur(currcons);
|
| 1753 |
|
|
continue;
|
| 1754 |
|
|
case 'u':
|
| 1755 |
|
|
restore_cur(currcons);
|
| 1756 |
|
|
continue;
|
| 1757 |
|
|
case 'X':
|
| 1758 |
|
|
csi_X(currcons, par[0]);
|
| 1759 |
|
|
continue;
|
| 1760 |
|
|
case '@':
|
| 1761 |
|
|
csi_at(currcons,par[0]);
|
| 1762 |
|
|
continue;
|
| 1763 |
|
|
case ']': /* setterm functions */
|
| 1764 |
|
|
setterm_command(currcons);
|
| 1765 |
|
|
continue;
|
| 1766 |
|
|
}
|
| 1767 |
|
|
continue;
|
| 1768 |
|
|
case ESpercent:
|
| 1769 |
|
|
vc_state = ESnormal;
|
| 1770 |
|
|
switch (c) {
|
| 1771 |
|
|
case '@': /* defined in ISO 2022 */
|
| 1772 |
|
|
utf = 0;
|
| 1773 |
|
|
continue;
|
| 1774 |
|
|
case 'G': /* prelim official escape code */
|
| 1775 |
|
|
case '8': /* retained for compatibility */
|
| 1776 |
|
|
utf = 1;
|
| 1777 |
|
|
continue;
|
| 1778 |
|
|
}
|
| 1779 |
|
|
continue;
|
| 1780 |
|
|
case ESfunckey:
|
| 1781 |
|
|
vc_state = ESnormal;
|
| 1782 |
|
|
continue;
|
| 1783 |
|
|
case EShash:
|
| 1784 |
|
|
vc_state = ESnormal;
|
| 1785 |
|
|
if (c == '8') {
|
| 1786 |
|
|
/* DEC screen alignment test. kludge :-) */
|
| 1787 |
|
|
video_erase_char =
|
| 1788 |
|
|
(video_erase_char & 0xff00) | 'E';
|
| 1789 |
|
|
csi_J(currcons, 2);
|
| 1790 |
|
|
video_erase_char =
|
| 1791 |
|
|
(video_erase_char & 0xff00) | ' ';
|
| 1792 |
|
|
}
|
| 1793 |
|
|
continue;
|
| 1794 |
|
|
case ESsetG0:
|
| 1795 |
|
|
if (c == '0')
|
| 1796 |
|
|
G0_charset = GRAF_MAP;
|
| 1797 |
|
|
else if (c == 'B')
|
| 1798 |
|
|
G0_charset = LAT1_MAP;
|
| 1799 |
|
|
else if (c == 'U')
|
| 1800 |
|
|
G0_charset = IBMPC_MAP;
|
| 1801 |
|
|
else if (c == 'K')
|
| 1802 |
|
|
G0_charset = USER_MAP;
|
| 1803 |
|
|
if (charset == 0)
|
| 1804 |
|
|
translate = set_translate(G0_charset);
|
| 1805 |
|
|
vc_state = ESnormal;
|
| 1806 |
|
|
continue;
|
| 1807 |
|
|
case ESsetG1:
|
| 1808 |
|
|
if (c == '0')
|
| 1809 |
|
|
G1_charset = GRAF_MAP;
|
| 1810 |
|
|
else if (c == 'B')
|
| 1811 |
|
|
G1_charset = LAT1_MAP;
|
| 1812 |
|
|
else if (c == 'U')
|
| 1813 |
|
|
G1_charset = IBMPC_MAP;
|
| 1814 |
|
|
else if (c == 'K')
|
| 1815 |
|
|
G1_charset = USER_MAP;
|
| 1816 |
|
|
if (charset == 1)
|
| 1817 |
|
|
translate = set_translate(G1_charset);
|
| 1818 |
|
|
vc_state = ESnormal;
|
| 1819 |
|
|
continue;
|
| 1820 |
|
|
default:
|
| 1821 |
|
|
vc_state = ESnormal;
|
| 1822 |
|
|
}
|
| 1823 |
|
|
}
|
| 1824 |
|
|
if (vcmode != KD_GRAPHICS)
|
| 1825 |
|
|
set_cursor(currcons);
|
| 1826 |
|
|
enable_bh(CONSOLE_BH);
|
| 1827 |
|
|
return n;
|
| 1828 |
|
|
}
|
| 1829 |
|
|
|
| 1830 |
|
|
static int con_write_room(struct tty_struct *tty)
|
| 1831 |
|
|
{
|
| 1832 |
|
|
if (tty->stopped)
|
| 1833 |
|
|
return 0;
|
| 1834 |
|
|
return 4096; /* No limit, really; we're not buffering */
|
| 1835 |
|
|
}
|
| 1836 |
|
|
|
| 1837 |
|
|
static int con_chars_in_buffer(struct tty_struct *tty)
|
| 1838 |
|
|
{
|
| 1839 |
|
|
return 0; /* we're not buffering */
|
| 1840 |
|
|
}
|
| 1841 |
|
|
|
| 1842 |
|
|
void poke_blanked_console(void)
|
| 1843 |
|
|
{
|
| 1844 |
|
|
timer_active &= ~(1<<BLANK_TIMER);
|
| 1845 |
|
|
if (vt_cons[fg_console]->vc_mode == KD_GRAPHICS)
|
| 1846 |
|
|
return;
|
| 1847 |
|
|
if (console_blanked) {
|
| 1848 |
|
|
timer_table[BLANK_TIMER].fn = unblank_screen;
|
| 1849 |
|
|
timer_table[BLANK_TIMER].expires = 0;
|
| 1850 |
|
|
timer_active |= 1<<BLANK_TIMER;
|
| 1851 |
|
|
} else if (blankinterval) {
|
| 1852 |
|
|
timer_table[BLANK_TIMER].expires = jiffies + blankinterval;
|
| 1853 |
|
|
timer_active |= 1<<BLANK_TIMER;
|
| 1854 |
|
|
}
|
| 1855 |
|
|
}
|
| 1856 |
|
|
|
| 1857 |
|
|
void console_print(const char * b)
|
| 1858 |
|
|
{
|
| 1859 |
|
|
int currcons = fg_console;
|
| 1860 |
|
|
unsigned char c;
|
| 1861 |
|
|
static int printing = 0;
|
| 1862 |
|
|
|
| 1863 |
|
|
if (!printable || printing)
|
| 1864 |
|
|
return; /* console not yet initialized */
|
| 1865 |
|
|
printing = 1;
|
| 1866 |
|
|
|
| 1867 |
|
|
if (kmsg_redirect && vc_cons_allocated(kmsg_redirect - 1))
|
| 1868 |
|
|
currcons = kmsg_redirect - 1;
|
| 1869 |
|
|
|
| 1870 |
|
|
if (!vc_cons_allocated(currcons)) {
|
| 1871 |
|
|
/* impossible */
|
| 1872 |
|
|
printk("console_print: tty %d not allocated ??\n", currcons+1);
|
| 1873 |
|
|
return;
|
| 1874 |
|
|
}
|
| 1875 |
|
|
|
| 1876 |
|
|
#ifdef CONFIG_SERIAL_ECHO
|
| 1877 |
|
|
serial_echo_print(b);
|
| 1878 |
|
|
#endif /* CONFIG_SERIAL_ECHO */
|
| 1879 |
|
|
|
| 1880 |
|
|
while ((c = *(b++)) != 0) {
|
| 1881 |
|
|
if (c == 10 || c == 13 || need_wrap) {
|
| 1882 |
|
|
if (c != 13)
|
| 1883 |
|
|
lf(currcons);
|
| 1884 |
|
|
cr(currcons);
|
| 1885 |
|
|
if (c == 10 || c == 13)
|
| 1886 |
|
|
continue;
|
| 1887 |
|
|
}
|
| 1888 |
|
|
if (c == 8) { /* backspace */
|
| 1889 |
|
|
bs(currcons);
|
| 1890 |
|
|
continue;
|
| 1891 |
|
|
}
|
| 1892 |
|
|
scr_writew((attr << 8) + c, (unsigned short *) pos);
|
| 1893 |
|
|
if (x == video_num_columns - 1) {
|
| 1894 |
|
|
need_wrap = 1;
|
| 1895 |
|
|
continue;
|
| 1896 |
|
|
}
|
| 1897 |
|
|
x++;
|
| 1898 |
|
|
pos+=2;
|
| 1899 |
|
|
}
|
| 1900 |
|
|
set_cursor(currcons);
|
| 1901 |
|
|
poke_blanked_console();
|
| 1902 |
|
|
printing = 0;
|
| 1903 |
|
|
}
|
| 1904 |
|
|
|
| 1905 |
|
|
/*
|
| 1906 |
|
|
* con_throttle and con_unthrottle are only used for
|
| 1907 |
|
|
* paste_selection(), which has to stuff in a large number of
|
| 1908 |
|
|
* characters...
|
| 1909 |
|
|
*/
|
| 1910 |
|
|
static void con_throttle(struct tty_struct *tty)
|
| 1911 |
|
|
{
|
| 1912 |
|
|
}
|
| 1913 |
|
|
|
| 1914 |
|
|
static void con_unthrottle(struct tty_struct *tty)
|
| 1915 |
|
|
{
|
| 1916 |
|
|
struct vt_struct *vt = (struct vt_struct *) tty->driver_data;
|
| 1917 |
|
|
|
| 1918 |
|
|
wake_up_interruptible(&vt->paste_wait);
|
| 1919 |
|
|
}
|
| 1920 |
|
|
|
| 1921 |
|
|
static void vc_init(unsigned int currcons, unsigned long rows, unsigned long cols, int do_clear)
|
| 1922 |
|
|
{
|
| 1923 |
|
|
long base = (long) vc_scrbuf[currcons];
|
| 1924 |
|
|
int j, k ;
|
| 1925 |
|
|
|
| 1926 |
|
|
video_num_columns = cols;
|
| 1927 |
|
|
video_num_lines = rows;
|
| 1928 |
|
|
video_size_row = cols<<1;
|
| 1929 |
|
|
video_screen_size = video_num_lines * video_size_row;
|
| 1930 |
|
|
|
| 1931 |
|
|
pos = origin = video_mem_start = base;
|
| 1932 |
|
|
scr_end = base + video_screen_size;
|
| 1933 |
|
|
video_mem_end = base + video_screen_size;
|
| 1934 |
|
|
reset_vc(currcons);
|
| 1935 |
|
|
for (j=k=0; j<16; j++) {
|
| 1936 |
|
|
vc_cons[currcons].d->vc_palette[k++] = default_red[j] ;
|
| 1937 |
|
|
vc_cons[currcons].d->vc_palette[k++] = default_grn[j] ;
|
| 1938 |
|
|
vc_cons[currcons].d->vc_palette[k++] = default_blu[j] ;
|
| 1939 |
|
|
}
|
| 1940 |
|
|
def_color = 0x07; /* white */
|
| 1941 |
|
|
ulcolor = 0x0f; /* bold white */
|
| 1942 |
|
|
halfcolor = 0x08; /* grey */
|
| 1943 |
|
|
vt_cons[currcons]->paste_wait = 0;
|
| 1944 |
|
|
reset_terminal(currcons, do_clear);
|
| 1945 |
|
|
}
|
| 1946 |
|
|
|
| 1947 |
|
|
static void con_setsize(unsigned long rows, unsigned long cols)
|
| 1948 |
|
|
{
|
| 1949 |
|
|
video_num_lines = rows;
|
| 1950 |
|
|
video_num_columns = cols;
|
| 1951 |
|
|
video_size_row = 2 * cols;
|
| 1952 |
|
|
video_screen_size = video_num_lines * video_size_row;
|
| 1953 |
|
|
}
|
| 1954 |
|
|
|
| 1955 |
|
|
/*
|
| 1956 |
|
|
* This is the console switching bottom half handler.
|
| 1957 |
|
|
*
|
| 1958 |
|
|
* Doing console switching in a bottom half handler allows
|
| 1959 |
|
|
* us to do the switches asynchronously (needed when we want
|
| 1960 |
|
|
* to switch due to a keyboard interrupt), while still giving
|
| 1961 |
|
|
* us the option to easily disable it to avoid races when we
|
| 1962 |
|
|
* need to write to the console.
|
| 1963 |
|
|
*/
|
| 1964 |
|
|
static void console_bh(void)
|
| 1965 |
|
|
{
|
| 1966 |
|
|
if (want_console >= 0) {
|
| 1967 |
|
|
if (want_console != fg_console) {
|
| 1968 |
|
|
change_console(want_console);
|
| 1969 |
|
|
/* we only changed when the console had already
|
| 1970 |
|
|
been allocated - a new console is not created
|
| 1971 |
|
|
in an interrupt routine */
|
| 1972 |
|
|
}
|
| 1973 |
|
|
want_console = -1;
|
| 1974 |
|
|
}
|
| 1975 |
|
|
if (do_poke_blanked_console) { /* do not unblank for a LED change */
|
| 1976 |
|
|
do_poke_blanked_console = 0;
|
| 1977 |
|
|
poke_blanked_console();
|
| 1978 |
|
|
}
|
| 1979 |
|
|
}
|
| 1980 |
|
|
|
| 1981 |
|
|
/*
|
| 1982 |
|
|
* unsigned long con_init(unsigned long);
|
| 1983 |
|
|
*
|
| 1984 |
|
|
* This routine initializes console interrupts, and does nothing
|
| 1985 |
|
|
* else. If you want the screen to clear, call tty_write with
|
| 1986 |
|
|
* the appropriate escape-sequence.
|
| 1987 |
|
|
*
|
| 1988 |
|
|
* Reads the information preserved by setup.s to determine the current display
|
| 1989 |
|
|
* type and sets everything accordingly.
|
| 1990 |
|
|
*/
|
| 1991 |
|
|
unsigned long con_init(unsigned long kmem_start)
|
| 1992 |
|
|
{
|
| 1993 |
|
|
const char *display_desc = "????";
|
| 1994 |
|
|
int currcons = 0;
|
| 1995 |
|
|
int orig_x = ORIG_X;
|
| 1996 |
|
|
int orig_y = ORIG_Y;
|
| 1997 |
|
|
|
| 1998 |
|
|
memset(&console_driver, 0, sizeof(struct tty_driver));
|
| 1999 |
|
|
console_driver.magic = TTY_DRIVER_MAGIC;
|
| 2000 |
|
|
console_driver.name = "tty";
|
| 2001 |
|
|
console_driver.name_base = 1;
|
| 2002 |
|
|
console_driver.major = TTY_MAJOR;
|
| 2003 |
|
|
console_driver.minor_start = 1;
|
| 2004 |
|
|
console_driver.num = MAX_NR_CONSOLES;
|
| 2005 |
|
|
console_driver.type = TTY_DRIVER_TYPE_CONSOLE;
|
| 2006 |
|
|
console_driver.init_termios = tty_std_termios;
|
| 2007 |
|
|
console_driver.flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
|
| 2008 |
|
|
console_driver.refcount = &console_refcount;
|
| 2009 |
|
|
console_driver.table = console_table;
|
| 2010 |
|
|
console_driver.termios = console_termios;
|
| 2011 |
|
|
console_driver.termios_locked = console_termios_locked;
|
| 2012 |
|
|
|
| 2013 |
|
|
console_driver.open = con_open;
|
| 2014 |
|
|
console_driver.write = con_write;
|
| 2015 |
|
|
console_driver.write_room = con_write_room;
|
| 2016 |
|
|
console_driver.chars_in_buffer = con_chars_in_buffer;
|
| 2017 |
|
|
console_driver.ioctl = vt_ioctl;
|
| 2018 |
|
|
console_driver.stop = con_stop;
|
| 2019 |
|
|
console_driver.start = con_start;
|
| 2020 |
|
|
console_driver.throttle = con_throttle;
|
| 2021 |
|
|
console_driver.unthrottle = con_unthrottle;
|
| 2022 |
|
|
|
| 2023 |
|
|
if (tty_register_driver(&console_driver))
|
| 2024 |
|
|
panic("Couldn't register console driver\n");
|
| 2025 |
|
|
|
| 2026 |
|
|
con_setsize(ORIG_VIDEO_LINES, ORIG_VIDEO_COLS);
|
| 2027 |
|
|
|
| 2028 |
|
|
timer_table[BLANK_TIMER].fn = blank_screen;
|
| 2029 |
|
|
timer_table[BLANK_TIMER].expires = 0;
|
| 2030 |
|
|
if (blankinterval) {
|
| 2031 |
|
|
timer_table[BLANK_TIMER].expires = jiffies + blankinterval;
|
| 2032 |
|
|
timer_active |= 1<<BLANK_TIMER;
|
| 2033 |
|
|
}
|
| 2034 |
|
|
|
| 2035 |
|
|
kmem_start = con_type_init(kmem_start, &display_desc);
|
| 2036 |
|
|
|
| 2037 |
|
|
hardscroll_enabled = (hardscroll_disabled_by_init ? 0 :
|
| 2038 |
|
|
(video_type == VIDEO_TYPE_EGAC
|
| 2039 |
|
|
|| video_type == VIDEO_TYPE_VGAC
|
| 2040 |
|
|
|| video_type == VIDEO_TYPE_EGAM));
|
| 2041 |
|
|
has_wrapped = 0 ;
|
| 2042 |
|
|
|
| 2043 |
|
|
/* Due to kmalloc roundup allocating statically is more efficient -
|
| 2044 |
|
|
so provide MIN_NR_CONSOLES for people with very little memory */
|
| 2045 |
|
|
for (currcons = 0; currcons < MIN_NR_CONSOLES; currcons++) {
|
| 2046 |
|
|
int j, k ;
|
| 2047 |
|
|
|
| 2048 |
|
|
vc_cons[currcons].d = (struct vc_data *) kmem_start;
|
| 2049 |
|
|
kmem_start += sizeof(struct vc_data);
|
| 2050 |
|
|
vt_cons[currcons] = (struct vt_struct *) kmem_start;
|
| 2051 |
|
|
kmem_start += sizeof(struct vt_struct);
|
| 2052 |
|
|
vc_scrbuf[currcons] = (unsigned short *) kmem_start;
|
| 2053 |
|
|
kmem_start += video_screen_size;
|
| 2054 |
|
|
kmalloced = 0;
|
| 2055 |
|
|
screenbuf_size = video_screen_size;
|
| 2056 |
|
|
vc_init(currcons, video_num_lines, video_num_columns, currcons);
|
| 2057 |
|
|
for (j=k=0; j<16; j++) {
|
| 2058 |
|
|
vc_cons[currcons].d->vc_palette[k++] = default_red[j] ;
|
| 2059 |
|
|
vc_cons[currcons].d->vc_palette[k++] = default_grn[j] ;
|
| 2060 |
|
|
vc_cons[currcons].d->vc_palette[k++] = default_blu[j] ;
|
| 2061 |
|
|
}
|
| 2062 |
|
|
}
|
| 2063 |
|
|
|
| 2064 |
|
|
currcons = fg_console = 0;
|
| 2065 |
|
|
|
| 2066 |
|
|
video_mem_start = video_mem_base;
|
| 2067 |
|
|
video_mem_end = video_mem_term;
|
| 2068 |
|
|
origin = video_mem_start;
|
| 2069 |
|
|
scr_end = video_mem_start + video_num_lines * video_size_row;
|
| 2070 |
|
|
gotoxy(currcons,orig_x,orig_y);
|
| 2071 |
|
|
set_origin(currcons);
|
| 2072 |
|
|
csi_J(currcons, 0);
|
| 2073 |
|
|
|
| 2074 |
|
|
/* Figure out the size of the screen and screen font so we
|
| 2075 |
|
|
can figure out the appropriate screen size should we load
|
| 2076 |
|
|
a different font */
|
| 2077 |
|
|
|
| 2078 |
|
|
printable = 1;
|
| 2079 |
|
|
if ( video_type == VIDEO_TYPE_VGAC || video_type == VIDEO_TYPE_EGAC
|
| 2080 |
|
|
|| video_type == VIDEO_TYPE_EGAM || video_type == VIDEO_TYPE_TGAC )
|
| 2081 |
|
|
{
|
| 2082 |
|
|
default_font_height = video_font_height = ORIG_VIDEO_POINTS;
|
| 2083 |
|
|
/* This may be suboptimal but is a safe bet - go with it */
|
| 2084 |
|
|
video_scan_lines = video_font_height * video_num_lines;
|
| 2085 |
|
|
|
| 2086 |
|
|
#ifdef CONFIG_SERIAL_ECHO
|
| 2087 |
|
|
serial_echo_init(SERIAL_ECHO_PORT);
|
| 2088 |
|
|
#endif /* CONFIG_SERIAL_ECHO */
|
| 2089 |
|
|
|
| 2090 |
|
|
printk("Console: %ld point font, %ld scans\n",
|
| 2091 |
|
|
video_font_height, video_scan_lines);
|
| 2092 |
|
|
}
|
| 2093 |
|
|
|
| 2094 |
|
|
printk("Console: %s %s %ldx%ld, %d virtual console%s (max %d)\n",
|
| 2095 |
|
|
can_do_color ? "colour" : "mono",
|
| 2096 |
|
|
display_desc, video_num_columns, video_num_lines,
|
| 2097 |
|
|
MIN_NR_CONSOLES, (MIN_NR_CONSOLES == 1) ? "" : "s",
|
| 2098 |
|
|
MAX_NR_CONSOLES);
|
| 2099 |
|
|
|
| 2100 |
|
|
/*
|
| 2101 |
|
|
* can't register TGA yet, because PCI bus probe has *not* taken
|
| 2102 |
|
|
* place before con_init() gets called. Trigger the real TGA hw
|
| 2103 |
|
|
* initialization and register_console() event from
|
| 2104 |
|
|
* within the bus probing code... :-(
|
| 2105 |
|
|
*/
|
| 2106 |
|
|
if (video_type != VIDEO_TYPE_TGAC)
|
| 2107 |
|
|
register_console(console_print);
|
| 2108 |
|
|
|
| 2109 |
|
|
init_bh(CONSOLE_BH, console_bh);
|
| 2110 |
|
|
return kmem_start;
|
| 2111 |
|
|
}
|
| 2112 |
|
|
|
| 2113 |
|
|
void vesa_powerdown_screen(void)
|
| 2114 |
|
|
{
|
| 2115 |
|
|
timer_active &= ~(1<<BLANK_TIMER);
|
| 2116 |
|
|
timer_table[BLANK_TIMER].fn = unblank_screen;
|
| 2117 |
|
|
|
| 2118 |
|
|
vesa_powerdown();
|
| 2119 |
|
|
}
|
| 2120 |
|
|
|
| 2121 |
|
|
void do_blank_screen(int nopowersave)
|
| 2122 |
|
|
{
|
| 2123 |
|
|
int currcons;
|
| 2124 |
|
|
|
| 2125 |
|
|
if (console_blanked)
|
| 2126 |
|
|
return;
|
| 2127 |
|
|
|
| 2128 |
|
|
if(vesa_off_interval && !nopowersave) {
|
| 2129 |
|
|
timer_table[BLANK_TIMER].fn = vesa_powerdown_screen;
|
| 2130 |
|
|
timer_table[BLANK_TIMER].expires = jiffies + vesa_off_interval;
|
| 2131 |
|
|
timer_active |= (1<<BLANK_TIMER);
|
| 2132 |
|
|
} else {
|
| 2133 |
|
|
timer_active &= ~(1<<BLANK_TIMER);
|
| 2134 |
|
|
timer_table[BLANK_TIMER].fn = unblank_screen;
|
| 2135 |
|
|
}
|
| 2136 |
|
|
|
| 2137 |
|
|
/* try not to lose information by blanking, and not to waste memory */
|
| 2138 |
|
|
currcons = fg_console;
|
| 2139 |
|
|
has_scrolled = 0;
|
| 2140 |
|
|
blank__origin = __origin;
|
| 2141 |
|
|
blank_origin = origin;
|
| 2142 |
|
|
set_origin(fg_console);
|
| 2143 |
|
|
get_scrmem(fg_console);
|
| 2144 |
|
|
unblank_origin = origin;
|
| 2145 |
|
|
memsetw((void *)blank_origin, BLANK,
|
| 2146 |
|
|
2*video_num_lines*video_num_columns);
|
| 2147 |
|
|
hide_cursor();
|
| 2148 |
|
|
console_blanked = fg_console + 1;
|
| 2149 |
|
|
|
| 2150 |
|
|
if(!nopowersave)
|
| 2151 |
|
|
{
|
| 2152 |
|
|
#ifdef CONFIG_APM
|
| 2153 |
|
|
if (apm_display_blank())
|
| 2154 |
|
|
return;
|
| 2155 |
|
|
#endif
|
| 2156 |
|
|
vesa_blank();
|
| 2157 |
|
|
}
|
| 2158 |
|
|
}
|
| 2159 |
|
|
|
| 2160 |
|
|
void do_unblank_screen(void)
|
| 2161 |
|
|
{
|
| 2162 |
|
|
int currcons;
|
| 2163 |
|
|
int resetorg;
|
| 2164 |
|
|
long offset;
|
| 2165 |
|
|
|
| 2166 |
|
|
if (!console_blanked)
|
| 2167 |
|
|
return;
|
| 2168 |
|
|
if (!vc_cons_allocated(fg_console)) {
|
| 2169 |
|
|
/* impossible */
|
| 2170 |
|
|
printk("unblank_screen: tty %d not allocated ??\n", fg_console+1);
|
| 2171 |
|
|
return;
|
| 2172 |
|
|
}
|
| 2173 |
|
|
timer_table[BLANK_TIMER].fn = blank_screen;
|
| 2174 |
|
|
if (blankinterval) {
|
| 2175 |
|
|
timer_table[BLANK_TIMER].expires = jiffies + blankinterval;
|
| 2176 |
|
|
timer_active |= 1<<BLANK_TIMER;
|
| 2177 |
|
|
}
|
| 2178 |
|
|
|
| 2179 |
|
|
currcons = fg_console;
|
| 2180 |
|
|
offset = 0;
|
| 2181 |
|
|
resetorg = 0;
|
| 2182 |
|
|
if (console_blanked == fg_console + 1 && origin == unblank_origin
|
| 2183 |
|
|
&& !has_scrolled) {
|
| 2184 |
|
|
/* try to restore the exact situation before blanking */
|
| 2185 |
|
|
resetorg = 1;
|
| 2186 |
|
|
offset = (blank_origin - video_mem_base)
|
| 2187 |
|
|
- (unblank_origin - video_mem_start);
|
| 2188 |
|
|
}
|
| 2189 |
|
|
|
| 2190 |
|
|
console_blanked = 0;
|
| 2191 |
|
|
set_scrmem(fg_console, offset);
|
| 2192 |
|
|
set_origin(fg_console);
|
| 2193 |
|
|
set_cursor(fg_console);
|
| 2194 |
|
|
if (resetorg)
|
| 2195 |
|
|
__set_origin(blank__origin);
|
| 2196 |
|
|
|
| 2197 |
|
|
vesa_unblank();
|
| 2198 |
|
|
#ifdef CONFIG_APM
|
| 2199 |
|
|
if (apm_display_unblank())
|
| 2200 |
|
|
return;
|
| 2201 |
|
|
#endif
|
| 2202 |
|
|
}
|
| 2203 |
|
|
|
| 2204 |
|
|
/*
|
| 2205 |
|
|
* If a blank_screen is due to a timer, then a power save is allowed.
|
| 2206 |
|
|
* If it is related to console_switching, then avoid vesa_blank().
|
| 2207 |
|
|
*/
|
| 2208 |
|
|
static void blank_screen(void)
|
| 2209 |
|
|
{
|
| 2210 |
|
|
do_blank_screen(0);
|
| 2211 |
|
|
}
|
| 2212 |
|
|
|
| 2213 |
|
|
static void unblank_screen(void)
|
| 2214 |
|
|
{
|
| 2215 |
|
|
do_unblank_screen();
|
| 2216 |
|
|
}
|
| 2217 |
|
|
|
| 2218 |
|
|
void update_screen(int new_console)
|
| 2219 |
|
|
{
|
| 2220 |
|
|
static int lock = 0;
|
| 2221 |
|
|
|
| 2222 |
|
|
if (new_console == fg_console || lock)
|
| 2223 |
|
|
return;
|
| 2224 |
|
|
if (!vc_cons_allocated(new_console)) {
|
| 2225 |
|
|
/* strange ... */
|
| 2226 |
|
|
printk("update_screen: tty %d not allocated ??\n", new_console+1);
|
| 2227 |
|
|
return;
|
| 2228 |
|
|
}
|
| 2229 |
|
|
lock = 1;
|
| 2230 |
|
|
|
| 2231 |
|
|
clear_selection();
|
| 2232 |
|
|
|
| 2233 |
|
|
if (!console_blanked)
|
| 2234 |
|
|
get_scrmem(fg_console);
|
| 2235 |
|
|
else
|
| 2236 |
|
|
console_blanked = -1; /* no longer of the form console+1 */
|
| 2237 |
|
|
fg_console = new_console; /* this is the only (nonzero) assignment to fg_console */
|
| 2238 |
|
|
/* consequently, fg_console will always be allocated */
|
| 2239 |
|
|
set_scrmem(fg_console, 0);
|
| 2240 |
|
|
set_origin(fg_console);
|
| 2241 |
|
|
set_cursor(fg_console);
|
| 2242 |
|
|
set_leds();
|
| 2243 |
|
|
compute_shiftstate();
|
| 2244 |
|
|
lock = 0;
|
| 2245 |
|
|
}
|
| 2246 |
|
|
|
| 2247 |
|
|
/*
|
| 2248 |
|
|
* Allocate the console screen memory.
|
| 2249 |
|
|
*/
|
| 2250 |
|
|
int con_open(struct tty_struct *tty, struct file * filp)
|
| 2251 |
|
|
{
|
| 2252 |
|
|
unsigned int idx;
|
| 2253 |
|
|
int i;
|
| 2254 |
|
|
|
| 2255 |
|
|
idx = MINOR(tty->device) - tty->driver.minor_start;
|
| 2256 |
|
|
|
| 2257 |
|
|
i = vc_allocate(idx);
|
| 2258 |
|
|
if (i)
|
| 2259 |
|
|
return i;
|
| 2260 |
|
|
|
| 2261 |
|
|
vt_cons[idx]->vc_num = idx;
|
| 2262 |
|
|
tty->driver_data = vt_cons[idx];
|
| 2263 |
|
|
|
| 2264 |
|
|
if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
|
| 2265 |
|
|
tty->winsize.ws_row = video_num_lines;
|
| 2266 |
|
|
tty->winsize.ws_col = video_num_columns;
|
| 2267 |
|
|
}
|
| 2268 |
|
|
return 0;
|
| 2269 |
|
|
}
|
| 2270 |
|
|
|
| 2271 |
|
|
|
| 2272 |
|
|
/*
|
| 2273 |
|
|
* Load palette into the EGA/VGA DAC registers. arg points to a colour
|
| 2274 |
|
|
* map, 3 bytes per colour, 16 colours, range from 0 to 255.
|
| 2275 |
|
|
*/
|
| 2276 |
|
|
|
| 2277 |
|
|
int con_set_cmap (unsigned char *arg)
|
| 2278 |
|
|
{
|
| 2279 |
|
|
return set_get_cmap (arg,1);
|
| 2280 |
|
|
}
|
| 2281 |
|
|
|
| 2282 |
|
|
int con_get_cmap (unsigned char *arg)
|
| 2283 |
|
|
{
|
| 2284 |
|
|
return set_get_cmap (arg,0);
|
| 2285 |
|
|
}
|
| 2286 |
|
|
|
| 2287 |
|
|
void reset_palette (int currcons)
|
| 2288 |
|
|
{
|
| 2289 |
|
|
int j, k ;
|
| 2290 |
|
|
for (j=k=0; j<16; j++) {
|
| 2291 |
|
|
palette[k++] = default_red[j];
|
| 2292 |
|
|
palette[k++] = default_grn[j];
|
| 2293 |
|
|
palette[k++] = default_blu[j];
|
| 2294 |
|
|
}
|
| 2295 |
|
|
set_palette() ;
|
| 2296 |
|
|
}
|
| 2297 |
|
|
|
| 2298 |
|
|
/*
|
| 2299 |
|
|
* Load font into the EGA/VGA character generator. arg points to a 8192
|
| 2300 |
|
|
* byte map, 32 bytes per character. Only first H of them are used for
|
| 2301 |
|
|
* 8xH fonts (0 < H <= 32).
|
| 2302 |
|
|
*/
|
| 2303 |
|
|
|
| 2304 |
|
|
int con_set_font (char *arg, int ch512)
|
| 2305 |
|
|
{
|
| 2306 |
|
|
int i;
|
| 2307 |
|
|
|
| 2308 |
|
|
i = set_get_font (arg,1,ch512);
|
| 2309 |
|
|
if ( !i ) {
|
| 2310 |
|
|
hashtable_contents_valid = 0;
|
| 2311 |
|
|
video_mode_512ch = ch512;
|
| 2312 |
|
|
console_charmask = ch512 ? 0x1ff : 0x0ff;
|
| 2313 |
|
|
}
|
| 2314 |
|
|
return i;
|
| 2315 |
|
|
}
|
| 2316 |
|
|
|
| 2317 |
|
|
int con_get_font (char *arg)
|
| 2318 |
|
|
{
|
| 2319 |
|
|
return set_get_font (arg,0,video_mode_512ch);
|
| 2320 |
|
|
}
|
| 2321 |
|
|
|
| 2322 |
|
|
/*
|
| 2323 |
|
|
* Report the current status of the vc. This is exported to modules (ARub)
|
| 2324 |
|
|
*/
|
| 2325 |
|
|
|
| 2326 |
|
|
int con_get_info(int *mode, int *shift, int *col, int *row,
|
| 2327 |
|
|
struct tty_struct **tty)
|
| 2328 |
|
|
{
|
| 2329 |
|
|
extern int shift_state;
|
| 2330 |
|
|
extern struct tty_driver console_driver;
|
| 2331 |
|
|
struct tty_struct **console_table=console_driver.table;
|
| 2332 |
|
|
|
| 2333 |
|
|
if (mode) *mode = vt_cons[fg_console]->vc_mode;
|
| 2334 |
|
|
if (shift) *shift = shift_state;
|
| 2335 |
|
|
if (col) *col = video_num_columns;
|
| 2336 |
|
|
if (row) *row = video_num_lines;
|
| 2337 |
|
|
if (tty) *tty = console_table[fg_console];
|
| 2338 |
|
|
return fg_console;
|
| 2339 |
|
|
}
|
