663cbe4fc2
Diskslice/label code not yet handled.
Vinum, i4b, alpha, pc98 not dealt with (left to respective Maintainers)
Add the correct hook for devfs to kern_conf.c
The net result of this excercise is that a lot less files depends on DEVFS,
and devtoname() gets more sensible output in many cases.
A few drivers had minor additional cleanups performed relating to cdevsw
registration.
A few drivers don't register a cdevsw{} anymore, but only use make_dev().
512 lines
16 KiB
C
512 lines
16 KiB
C
/*-
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* Copyright (c) 1995-1998 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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* without modification, immediately at the beginning of the file.
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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 1.51 1999/08/20 20:25:00 julian Exp $
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*/
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#ifndef _DEV_SYSCONS_SYSCONS_H_
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#define _DEV_SYSCONS_SYSCONS_H_
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/* machine-dependent part of the header */
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#ifdef PC98
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#include <pc98/pc98/sc_machdep.h>
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#elif defined(__i386__)
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/* nothing for the moment */
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#elif defined(__alpha__)
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/* nothing for the moment */
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#endif
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/* default values for configuration options */
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#ifndef MAXCONS
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#define MAXCONS 16
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#endif
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#ifdef SC_NO_SYSMOUSE
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#undef SC_NO_CUTPASTE
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#define SC_NO_CUTPASTE 1
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#endif
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#ifdef SC_NO_MODE_CHANGE
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#undef SC_PIXEL_MODE
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#endif
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#ifndef SC_DEBUG_LEVEL
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#define SC_DEBUG_LEVEL 0
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#endif
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#define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p
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#define SC_DRIVER_NAME "sc"
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#define SC_VTY(dev) minor(dev)
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/* printable chars */
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#ifndef PRINTABLE
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#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
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|| (ch) < 0x07)
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#endif
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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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/* vty status flags (scp->status) */
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#define UNKNOWN_MODE 0x00010
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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_MOVED 0x01000
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#define MOUSE_CUTTING 0x02000
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#define MOUSE_VISIBLE 0x04000
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#define GRAPHICS_MODE 0x08000
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#define PIXEL_MODE 0x10000
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#define SAVER_RUNNING 0x20000
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#define VR_CURSOR_BLINK 0x40000
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#define VR_CURSOR_ON 0x80000
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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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/* 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 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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#ifndef BELL_DURATION
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#define BELL_DURATION 5
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#define BELL_PITCH 800
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#endif
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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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/* virtual terminal buffer */
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typedef struct sc_vtb {
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int vtb_flags;
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#define VTB_VALID (1 << 0)
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int vtb_type;
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#define VTB_INVALID 0
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#define VTB_MEMORY 1
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#define VTB_FRAMEBUFFER 2
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#define VTB_RINGBUFFER 3
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int vtb_cols;
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int vtb_rows;
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int vtb_size;
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vm_offset_t vtb_buffer;
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int vtb_tail; /* valid for VTB_RINGBUFFER only */
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} sc_vtb_t;
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/* terminal status */
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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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/* softc */
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struct keyboard;
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struct video_adapter;
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struct scr_stat;
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struct tty;
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typedef struct sc_softc {
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int unit; /* unit # */
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int config; /* configuration flags */
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#define SC_VESA800X600 (1 << 7)
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#define SC_AUTODETECT_KBD (1 << 8)
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#define SC_KERNEL_CONSOLE (1 << 9)
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int flags; /* status flags */
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#define SC_VISUAL_BELL (1 << 0)
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#define SC_QUIET_BELL (1 << 1)
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#define SC_BLINK_CURSOR (1 << 2)
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#define SC_CHAR_CURSOR (1 << 3)
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#define SC_MOUSE_ENABLED (1 << 4)
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#define SC_SCRN_IDLE (1 << 5)
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#define SC_SCRN_BLANKED (1 << 6)
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#define SC_SAVER_FAILED (1 << 7)
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#define SC_INIT_DONE (1 << 16)
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#define SC_SPLASH_SCRN (1 << 17)
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int keyboard; /* -1 if unavailable */
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struct keyboard *kbd;
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int adapter;
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struct video_adapter *adp;
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int initial_mode; /* initial video mode */
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int first_vty;
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int vtys;
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struct tty *tty;
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struct scr_stat **console;
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struct scr_stat *cur_scp;
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struct scr_stat *new_scp;
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struct scr_stat *old_scp;
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int delayed_next_scr;
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char font_loading_in_progress;
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char switch_in_progress;
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char videoio_in_progress;
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char write_in_progress;
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char blink_in_progress;
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long scrn_time_stamp;
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char cursor_base;
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char cursor_height;
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u_char scr_map[256];
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u_char scr_rmap[256];
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#ifdef _SC_MD_SOFTC_DECLARED_
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sc_md_softc_t md; /* machine dependent vars */
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#endif
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#ifndef SC_NO_PALETTE_LOADING
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u_char palette[256*3];
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#endif
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#ifndef SC_NO_FONT_LOADING
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int fonts_loaded;
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u_char *font_8;
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u_char *font_14;
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u_char *font_16;
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#endif
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} sc_softc_t;
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/* virtual screen */
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typedef struct scr_stat {
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int index; /* index of this vty */
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struct sc_softc *sc; /* pointer to softc */
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struct sc_rndr_sw *rndr; /* renderer */
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sc_vtb_t scr;
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sc_vtb_t vtb;
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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 xoff; /* X offset in pixel mode */
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int yoff; /* Y offset in pixel mode */
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u_char *font; /* current font */
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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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int kbd_mode; /* keyboard I/O mode */
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int cursor_pos; /* cursor buffer position */
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int cursor_oldpos; /* cursor old buffer position */
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u_short cursor_saveunder_char; /* saved char under cursor */
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u_short cursor_saveunder_attr; /* saved attr under cursor */
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char cursor_base; /* cursor base line # */
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char cursor_height; /* cursor height */
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int mouse_pos; /* mouse buffer position */
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int 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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int mouse_cut_start; /* mouse cut start pos */
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int 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 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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sc_vtb_t *history; /* circular history buffer */
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int history_pos; /* position shown on screen */
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int history_size; /* size of history buffer */
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int splash_save_mode; /* saved mode for splash screen */
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int splash_save_status; /* saved status for splash screen */
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#ifdef _SCR_MD_STAT_DECLARED_
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scr_md_stat_t md; /* machine dependent vars */
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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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#ifndef SC_NORM_ATTR
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#define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK)
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#endif
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#ifndef SC_NORM_REV_ATTR
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#define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY)
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#endif
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#ifndef SC_KERNEL_CONS_ATTR
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#define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK)
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#endif
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#ifndef SC_KERNEL_CONS_REV_ATTR
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#define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY)
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#endif
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/* renderer function table */
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typedef void vr_clear_t(scr_stat *scp, int c, int attr);
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typedef void vr_draw_border_t(scr_stat *scp, int color);
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typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip);
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typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink);
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typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink,
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int on, int flip);
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typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip);
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typedef void vr_set_mouse_t(scr_stat *scp);
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typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on);
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typedef struct sc_rndr_sw {
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vr_clear_t *clear;
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vr_draw_border_t *draw_border;
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vr_draw_t *draw;
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vr_set_cursor_t *set_cursor;
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vr_draw_cursor_t *draw_cursor;
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vr_blink_cursor_t *blink_cursor;
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vr_set_mouse_t *set_mouse;
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vr_draw_mouse_t *draw_mouse;
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} sc_rndr_sw_t;
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typedef struct sc_renderer {
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char *name;
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int mode;
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sc_rndr_sw_t *rndrsw;
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} sc_renderer_t;
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#define RENDERER(name, mode, sw) \
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static struct sc_renderer name##_##mode##_renderer = { \
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#name, mode, &sw \
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}; \
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DATA_SET(scrndr_set, name##_##mode##_renderer)
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extern struct linker_set scrndr_set;
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typedef struct {
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int cursor_start;
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int cursor_end;
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int shift_state;
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int bell_pitch;
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} bios_values_t;
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/* other macros */
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#define ISTEXTSC(scp) (!((scp)->status \
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& (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE)))
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#define ISGRAPHSC(scp) (((scp)->status \
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& (UNKNOWN_MODE | GRAPHICS_MODE)))
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#define ISPIXELSC(scp) (((scp)->status \
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& (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\
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== PIXEL_MODE)
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#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE)
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#ifndef ISMOUSEAVAIL
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#ifdef SC_ALT_MOUSE_IMAGE
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#define ISMOUSEAVAIL(af) (1)
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#else
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#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT)
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#endif /* SC_ALT_MOUSE_IMAGE */
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#define ISFONTAVAIL(af) ((af) & V_ADP_FONT)
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#define ISPALAVAIL(af) ((af) & V_ADP_PALETTE)
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#endif /* ISMOUSEAVAIL */
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#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
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#define kbd_read_char(kbd, wait) \
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(*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait))
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#define kbd_check_char(kbd) \
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(*kbdsw[(kbd)->kb_index]->check_char)((kbd))
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#define kbd_enable(kbd) \
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(*kbdsw[(kbd)->kb_index]->enable)((kbd))
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#define kbd_disable(kbd) \
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(*kbdsw[(kbd)->kb_index]->disable)((kbd))
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#define kbd_lock(kbd, lockf) \
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(*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf))
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#define kbd_ioctl(kbd, cmd, arg) \
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(((kbd) == NULL) ? \
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ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg)))
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#define kbd_clear_state(kbd) \
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(*kbdsw[(kbd)->kb_index]->clear_state)((kbd))
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#define kbd_get_fkeystr(kbd, fkey, len) \
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(*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len))
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#define kbd_poll(kbd, on) \
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(*kbdsw[(kbd)->kb_index]->poll)((kbd), (on))
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/* syscons.c */
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extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data,
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int flag, struct proc *p);
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int sc_probe_unit(int unit, int flags);
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int sc_attach_unit(int unit, int flags);
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int sc_resume_unit(int unit);
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int set_mode(scr_stat *scp);
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scr_stat *sc_get_scr_stat(dev_t dev);
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void copy_font(scr_stat *scp, int operation, int font_size,
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u_char *font_image);
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void set_border(scr_stat *scp, int color);
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void sc_touch_scrn_saver(void);
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void sc_clear_screen(scr_stat *scp);
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void sc_set_cursor_image(scr_stat *scp);
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int sc_clean_up(scr_stat *scp);
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void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard);
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struct tty *scdevtotty(dev_t dev);
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#ifndef SC_NO_SYSMOUSE
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struct tty *sc_get_mouse_tty(void);
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#endif /* SC_NO_SYSMOUSE */
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#ifndef SC_NO_CUTPASTE
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void sc_paste(scr_stat *scp, u_char *p, int count);
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#endif /* SC_NO_CUTPASTE */
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/* schistory.c */
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#ifndef SC_NO_HISTORY
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int sc_alloc_history_buffer(scr_stat *scp, int lines,
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int prev_ysize, int wait);
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void sc_free_history_buffer(scr_stat *scp, int prev_ysize);
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void sc_hist_save(scr_stat *scp);
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#define sc_hist_save_one_line(scp, from) \
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sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize)
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int sc_hist_restore(scr_stat *scp);
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void sc_hist_home(scr_stat *scp);
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void sc_hist_end(scr_stat *scp);
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int sc_hist_up_line(scr_stat *scp);
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int sc_hist_down_line(scr_stat *scp);
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int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data,
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int flag, struct proc *p);
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#endif /* SC_NO_HISTORY */
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/* scmouse.c */
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#ifndef SC_NO_CUTPASTE
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void sc_alloc_cut_buffer(scr_stat *scp, int wait);
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void sc_draw_mouse_image(scr_stat *scp);
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void sc_remove_mouse_image(scr_stat *scp);
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int sc_inside_cutmark(scr_stat *scp, int pos);
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void sc_remove_cutmarking(scr_stat *scp);
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void sc_remove_all_cutmarkings(sc_softc_t *scp);
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void sc_remove_all_mouse(sc_softc_t *scp);
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#else
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#define sc_inside_cutmark(scp, pos) FALSE
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#define sc_remove_cutmarking(scp)
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#endif /* SC_NO_CUTPASTE */
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#ifndef SC_NO_SYSMOUSE
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void sc_mouse_set_level(int level);
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void sc_mouse_move(scr_stat *scp, int x, int y);
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int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data,
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int flag, struct proc *p);
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#endif /* SC_NO_SYSMOUSE */
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/* scvidctl.c */
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int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode,
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int xsize, int ysize, int fontsize);
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int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode);
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int sc_set_pixel_mode(scr_stat *scp, struct tty *tp,
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int xsize, int ysize, int fontsize);
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sc_rndr_sw_t *sc_render_match(scr_stat *scp, video_adapter_t *adp, int mode);
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int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
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struct proc *p);
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/* scvtb.c */
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void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows,
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void *buffer, int wait);
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void sc_vtb_destroy(sc_vtb_t *vtb);
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size_t sc_vtb_size(int cols, int rows);
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void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr);
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int sc_vtb_getc(sc_vtb_t *vtb, int at);
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int sc_vtb_geta(sc_vtb_t *vtb, int at);
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void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a);
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vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a);
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vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at);
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int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset);
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#define sc_vtb_tail(vtb) ((vtb)->vtb_tail)
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#define sc_vtb_rows(vtb) ((vtb)->vtb_rows)
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void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to,
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int count);
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void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2,
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int count);
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void sc_vtb_seek(sc_vtb_t *vtb, int pos);
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void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr);
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void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count);
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void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr);
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void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr);
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/* machine dependent functions */
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int sc_max_unit(void);
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sc_softc_t *sc_get_softc(int unit, int flags);
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sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd);
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int sc_get_cons_priority(int *unit, int *flags);
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void sc_get_bios_values(bios_values_t *values);
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int sc_tone(int herz);
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#endif /* !_DEV_SYSCONS_SYSCONS_H_ */
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