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88a5f0cca7
saver and splash screen can all work properly with syscons. Note that the splash screen option (SC_SPLASH_SCREEN) does not work yet, as it requires additional code from msmith. - Reorganized the splash screen code to match the latest development in this area. - Delay screen switch in `switch_scr()' until the screen saver is stopped, if one is running, - Start the screen saver immediately, if any, when the `saver' key is pressed. (There will be another commit for `kbdcontrol' to support this keyword in the keymap file.) - Do not always stop the screen saver when mouse-related ioctls are called. Stop it only if the mouse is moved or buttons are clicked; don't stop it if any other mouse ioctls are called. 2. Added provision to write userland screen savers. (Contact me if you are interested in writing one.) - Added CONS_IDLE, CONS_SAVERMODE, and CONS_SAVERSTART ioctls to support userland screen savers. 3. Some code clean-ups.
213 lines
7.7 KiB
C
213 lines
7.7 KiB
C
/*-
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* Copyright (c) 1995-1997 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: syscons.h,v 1.38 1998/08/03 09:09:35 yokota Exp $
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*/
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#ifndef _I386_ISA_SYSCONS_H_
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#define _I386_ISA_SYSCONS_H_
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/* vm things */
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#define ISMAPPED(pa, width) \
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(((pa) <= (u_long)0x1000 - (width)) \
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|| ((pa) >= 0xa0000 && (pa) <= 0x100000 - (width)))
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#define pa_to_va(pa) (KERNBASE + (pa)) /* works if ISMAPPED(pa...) */
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/* printable chars */
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#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
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|| (ch) < 0x07)
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/* macros for "intelligent" screen update */
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#define mark_for_update(scp, x) {\
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if ((x) < scp->start) scp->start = (x);\
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else if ((x) > scp->end) scp->end = (x);\
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}
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#define mark_all(scp) {\
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scp->start = 0;\
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scp->end = scp->xsize * scp->ysize - 1;\
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}
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/* status flags */
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#define LOCK_KEY_MASK 0x0000F
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#define LED_MASK 0x00007
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#define UNKNOWN_MODE 0x00010
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#define KBD_RAW_MODE 0x00020
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#define KBD_CODE_MODE 0x00040
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#define SWITCH_WAIT_REL 0x00080
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#define SWITCH_WAIT_ACQ 0x00100
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#define BUFFER_SAVED 0x00200
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#define CURSOR_ENABLED 0x00400
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#define MOUSE_ENABLED 0x00800
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#define MOUSE_MOVED 0x01000
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#define MOUSE_CUTTING 0x02000
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#define MOUSE_VISIBLE 0x04000
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/* configuration flags */
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#define VISUAL_BELL 0x00001
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#define BLINK_CURSOR 0x00002
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#define CHAR_CURSOR 0x00004
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#define DETECT_KBD 0x00008
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#define XT_KEYBD 0x00010
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#define KBD_NORESET 0x00020
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#define QUIET_BELL 0x00040
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/* attribute flags */
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#define NORMAL_ATTR 0x00
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#define BLINK_ATTR 0x01
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#define BOLD_ATTR 0x02
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#define UNDERLINE_ATTR 0x04
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#define REVERSE_ATTR 0x08
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#define FOREGROUND_CHANGED 0x10
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#define BACKGROUND_CHANGED 0x20
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/* video hardware memory addresses */
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#define VIDEOMEM 0x000A0000
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/* misc defines */
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#define FALSE 0
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#define TRUE 1
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#define MAX_ESC_PAR 5
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#define LOAD 1
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#define SAVE 0
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#define COL 80
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#define ROW 25
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#define BELL_DURATION 5
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#define BELL_PITCH 800
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#define CONSOLE_BUFSIZE 1024
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#define PCBURST 128
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#define FONT_NONE 1
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#define FONT_8 2
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#define FONT_14 4
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#define FONT_16 8
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/* defines related to hardware addresses */
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#define MONO_BASE 0x3B4 /* crt controller base mono */
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#define COLOR_BASE 0x3D4 /* crt controller base color */
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#define MISC 0x3C2 /* misc output register */
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#define ATC IO_VGA+0x00 /* attribute controller */
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#define TSIDX IO_VGA+0x04 /* timing sequencer idx */
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#define TSREG IO_VGA+0x05 /* timing sequencer data */
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#define PIXMASK IO_VGA+0x06 /* pixel write mask */
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#define PALRADR IO_VGA+0x07 /* palette read address */
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#define PALWADR IO_VGA+0x08 /* palette write address */
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#define PALDATA IO_VGA+0x09 /* palette data register */
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#define GDCIDX IO_VGA+0x0E /* graph data controller idx */
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#define GDCREG IO_VGA+0x0F /* graph data controller data */
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/* special characters */
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#define cntlc 0x03
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#define cntld 0x04
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#define bs 0x08
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#define lf 0x0a
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#define cr 0x0d
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#define del 0x7f
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#define DEAD_CHAR 0x07 /* char used for cursor */
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typedef struct term_stat {
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int esc; /* processing escape sequence */
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int num_param; /* # of parameters to ESC */
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int last_param; /* last parameter # */
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int param[MAX_ESC_PAR]; /* contains ESC parameters */
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int cur_attr; /* current hardware attr word */
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int attr_mask; /* current logical attr mask */
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int cur_color; /* current hardware color */
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int std_color; /* normal hardware color */
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int rev_color; /* reverse hardware color */
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} term_stat;
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typedef struct scr_stat {
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u_short *scr_buf; /* buffer when off screen */
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int xpos; /* current X position */
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int ypos; /* current Y position */
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int saved_xpos; /* saved X position */
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int saved_ypos; /* saved Y position */
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int xsize; /* X text size */
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int ysize; /* Y text size */
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int xpixel; /* X graphics size */
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int ypixel; /* Y graphics size */
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int font_size; /* fontsize in Y direction */
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int start; /* modified area start */
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int end; /* modified area end */
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term_stat term; /* terminal emulation stuff */
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int status; /* status (bitfield) */
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u_short *cursor_pos; /* cursor buffer position */
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u_short *cursor_oldpos; /* cursor old buffer position */
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u_short cursor_saveunder; /* saved chars under cursor */
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char cursor_start; /* cursor start line # */
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char cursor_end; /* cursor end line # */
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u_short *mouse_pos; /* mouse buffer position */
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u_short *mouse_oldpos; /* mouse old buffer position */
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short mouse_xpos; /* mouse x coordinate */
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short mouse_ypos; /* mouse y coordinate */
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short mouse_buttons; /* mouse buttons */
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u_char mouse_cursor[128]; /* mouse cursor bitmap store */
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u_short *mouse_cut_start; /* mouse cut start pos */
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u_short *mouse_cut_end; /* mouse cut end pos */
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struct proc *mouse_proc; /* proc* of controlling proc */
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pid_t mouse_pid; /* pid of controlling proc */
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int mouse_signal; /* signal # to report with */
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u_short bell_duration;
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u_short bell_pitch;
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u_char border; /* border color */
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int initial_mode; /* initial mode */
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int mode; /* mode */
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pid_t pid; /* pid of controlling proc */
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struct proc *proc; /* proc* of controlling proc */
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struct vt_mode smode; /* switch mode */
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u_short *history; /* circular history buffer */
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u_short *history_head; /* current head position */
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u_short *history_pos; /* position shown on screen */
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u_short *history_save; /* save area index */
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int history_size; /* size of history buffer */
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struct apmhook r_hook; /* reconfiguration support */
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#ifdef SC_SPLASH_SCREEN
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u_char splash_save_mode; /* saved mode for splash screen */
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#endif
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} scr_stat;
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typedef struct default_attr {
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int std_color; /* normal hardware color */
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int rev_color; /* reverse hardware color */
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} default_attr;
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/* misc prototypes used by different syscons related LKM's */
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void set_border(u_char color);
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void set_mode(scr_stat *scp);
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void copy_font(int operation, int font_type, char* font_image);
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void load_palette(char *palette);
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int add_scrn_saver(void (*this)(int));
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int remove_scrn_saver(void (*this)(int));
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#ifdef SC_SPLASH_SCREEN
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void splash(int);
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int splash_load(void);
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int splash_unload(void);
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#endif
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#endif /* !_I386_ISA_SYSCONS_H_ */
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