pcvt_hdr.h

freebsd v4.4内核源码

#define	CSH	0x0800		/* ega/vga charset, upper half of 512 */
#define CSSIZE	96		/* (physical) size of a character set */

/* charset designations */

#define D_G0		0	/* designated as G0 */
#define D_G1		1	/* designated as G1 */
#define D_G2		2	/* designated as G2 */
#define D_G3		3	/* designated as G3 */
#define D_G1_96		4	/* designated as G1 for 96-char charsets */
#define D_G2_96		5	/* designated as G2 for 96-char charsets */
#define D_G3_96		6	/* designated as G3 for 96-char charsets */

/* which fkey-labels */

#define SYS_FKL		0	/* in hp mode, sys-fkls are active */
#define USR_FKL		1	/* in hp mode, user-fkls are active */

/* arguments to async_update() */

#define UPDATE_START	((void *)0)	/* do cursor update and requeue */
#define UPDATE_STOP	((void *)1)	/* suspend cursor updates */
#define UPDATE_KERN	((void *)2)	/* do cursor updates for kernel output */

/* variables */

#ifdef EXTERN
#define WAS_EXTERN
#else
#define EXTERN extern
#endif

EXTERN	u_char	*more_chars;		/* response buffer via kbd */
EXTERN	int	char_count;		/* response char count */
EXTERN	u_char	color;			/* color or mono display */

EXTERN	u_short	kern_attr;		/* kernel messages char attributes */
EXTERN	u_short	user_attr;		/* character attributes */

#if !PCVT_EMU_MOUSE

#if PCVT_NETBSD
EXTERN struct tty *pc_tty[PCVT_NSCREENS];
#elif !(PCVT_FREEBSD > 110 && PCVT_FREEBSD < 200)
EXTERN struct tty pccons[PCVT_NSCREENS];
#else
EXTERN struct tty *pccons[PCVT_NSCREENS];
#endif /* PCVT_NETBSD */

#else /* PCVT_EMU_MOUSE */

#if PCVT_NETBSD
EXTERN struct tty *pc_tty[PCVT_NSCREENS + 1];
#elif !(PCVT_FREEBSD > 110 && PCVT_FREEBSD < 200)
EXTERN struct tty pccons[PCVT_NSCREENS + 1];
#else
EXTERN struct tty *pccons[PCVT_NSCREENS + 1];
#endif

#endif /* PCVT_EMU_MOUSE */

struct sixels {
	u_char lower[MAXSIXEL];		/* lower half of char */
	u_char upper[MAXSIXEL];		/* upper half of char */
};

struct udkentry {
	u_char	first[MAXUDKEYS];	/* index to first char */
	u_char	length[MAXUDKEYS];	/* length of this entry */
};

/* VGA palette handling */
struct rgb {
	u_char	r, g, b;		/* red/green/blue, valid 0..VGA_PMSK */
};

typedef struct video_state {
	u_short	*Crtat;			/* video page start addr */
	u_short *Memory;		/* malloc'ed memory start address */
	struct tty *vs_tty;		/* pointer to this screen's tty */
	u_char	maxcol;			/* 80 or 132 cols on screen */
	u_char 	row, col;		/* current cursor position */
	u_short	c_attr;			/* current character attributes */
	u_char	vtsgr;			/* current sgr configuration */
	u_short	cur_offset;		/* current cursor position offset */
	u_char	bell_on;		/* flag, bell enabled */
	u_char	sevenbit;		/* flag, data path 7 bits wide */
	u_char	dis_fnc;		/* flag, display functions enable */
	u_char	transparent;		/* flag, mk path tmp trnsprnt for ctls*/
	u_char	scrr_beg;		/* scrolling region, begin */
	u_char	scrr_len;		/* scrolling region, length */
	u_char	scrr_end;		/* scrolling region, end */
	u_char	screen_rows;		/* screen size, length - status lines */
	u_char	screen_rowsize; 	/* screen size, length */
	u_char	vga_charset;		/* VGA character set value */
	u_char	lastchar;		/* flag, vt100 behaviour of last char */
	u_char	lastrow;		/* save row, --------- " -----------  */
	u_char	*report_chars;		/* ptr, status reports from terminal */
	u_char	report_count;		/* count, ----------- " ------------ */
	u_char	state;			/* escape sequence state machine */
	u_char	m_awm;			/* flag, vt100 mode, auto wrap */
	u_char	m_om;			/* flag, vt100 mode, origin mode */
	u_char	sc_flag;		/* flag, vt100 mode,saved parms valid */
	u_char	sc_row;			/* saved row */
	u_char	sc_col;			/* saved col */
	u_short sc_cur_offset;		/* saved cursor addr offset */
	u_short	sc_attr;		/* saved attributes */
	u_char	sc_vtsgr;		/* saved sgr configuration */
	u_char	sc_awm;			/* saved auto wrap mode */
	u_char	sc_om;			/* saved origin mode */
	u_short	*sc_G0;			/* save G0 ptr */
	u_short	*sc_G1;			/* save G1 ptr */
	u_short	*sc_G2;			/* save G2 ptr */
	u_short	*sc_G3;			/* save G3 ptr */
	u_short	**sc_GL;		/* save GL ptr */
	u_short	**sc_GR;		/* save GR ptr */
	u_char	sc_sel;			/* selective erase state */
	u_char	ufkl[8][17];		/* user fkey-labels */
	u_char	sfkl[8][17];		/* system fkey-labels */
	u_char	labels_on;		/* display fkey labels etc. on/off */
	u_char	which_fkl;		/* which fkey labels are active */
	char	tab_stops[MAXTAB]; 	/* table of active tab stops */
	u_char	parmi;			/* parameter index */
	u_char	parms[MAXPARMS];	/* parameter array */
	u_char	hp_state;		/* hp escape sequence state machine */
	u_char	attribute;		/* attribute normal, tx only, local */
	u_char	key;			/* fkey label no */
	u_char	l_len;			/* buffer length's */
	u_char	s_len;
	u_char	m_len;
	u_char	i;			/* help (got short of names ...) */
	u_char	l_buf[MAX_LABEL+1]; 	/* buffers */
	u_char	s_buf[MAX_STRING+1];
	u_char	m_buf[MAX_STATUS+1];
	u_char	openf;			/* we are opened ! */
	u_char	vt_pure_mode;		/* no fkey labels, row/col, status */
	u_char	cursor_start;		/* Start of cursor */
	u_char	cursor_end;		/* End of cursor */
	u_char	cursor_on;		/* cursor switched on */
	u_char	ckm;			/* true = cursor key normal mode */
	u_char	irm;			/* true = insert mode */
	u_char	lnm;			/* Line Feed/New Line Mode */
	u_char	dcs_state;		/* dcs escape sequence state machine */
	u_char	udk_def[MAXUDKDEF]; 	/* new definitions for vt220 FKeys */
	u_char	udk_defi;		/* index for FKey definitions */
	u_char	udk_deflow;		/* low or high nibble in sequence */
	u_char	udk_fnckey;		/* function key to assign to */
	u_char	dld_dscs[DSCS_LENGTH];	/* designate soft character set id */
	u_char	dld_dscsi;		/* index for dscs */
	u_char	dld_sixel_lower;	/* upper/lower sixels of character */
	u_char	dld_sixelli;		/* index for lower sixels */
	u_char	dld_sixelui;		/* index for upper sixels */
	struct sixels sixel;		/* structure for storing char sixels */
	u_char	selchar;		/* true = selective attribute on */
	u_int	decsca[MAXDECSCA];	/* Select Character Attrib bit array */
	u_short **GL;			/* ptr to current GL conversion table*/
	u_short **GR;			/* ptr to current GR conversion table*/
	u_short *G0;			/* ptr to current G0 conversion table*/
	u_short *G1;			/* ptr to current G1 conversion table*/
	u_char force24;			/* force 24 lines in DEC 25 and HP 28*/
	u_short *G2;			/* ptr to current G2 conversion table*/
	u_short *G3;			/* ptr to current G3 conversion table*/
	u_char	dld_id[DSCS_LENGTH+1];	/* soft character set id */
	u_char	which[DSCS_LENGTH+1];	/* which set to designate */
	u_char	whichi;			/* index into which ..	*/
	u_char  ss;			/* flag, single shift G2 / G3 -> GL */
	u_short **Gs;			/* ptr to cur. G2/G3 conversion table*/
	u_char	udkbuf[MAXUDKDEF];	/* buffer for user defined keys */
	struct udkentry ukt;		/* index & length for each udk */
	u_char	udkff;			/* index into buffer first free entry*/
	struct rgb palette[NVGAPEL];	/* saved VGA DAC palette */
	u_char	wd132col;		/* we are on a wd vga and in 132 col */
	u_char	scroll_lock; 		/* scroll lock active */
	u_char	caps_lock;		/* caps lock active */
	u_char	shift_lock;		/* shiftlock flag (virtual ..) */
	u_char	num_lock;		/* num lock, true = keypad num mode */
	u_char	abs_write;		/* write outside of scroll region */

#if PCVT_USL_VT_COMPAT			/* SysV compatibility :-( */

	struct vt_mode smode;
	struct proc *proc;
	pid_t pid;
	unsigned vt_status;
#define	VT_WAIT_REL 1			/* wait till process released vt */
#define VT_WAIT_ACK 2			/* wait till process ack vt acquire */
#define VT_GRAFX    4			/* vt runs graphics mode */
#define VT_WAIT_ACT 8			/* a process is sleeping on this vt */
					/*  becoming active */
#endif /* PCVT_USL_VT_COMPAT */

} video_state;

EXTERN video_state vs[PCVT_NSCREENS];	/* parameters for screens */

struct vga_char_state {
	int	loaded;		/* Whether a font is loaded here */
	int	secondloaded;	/* an extension characterset was loaded, */
				/*	the number is found here	 */
	u_char	char_scanlines;	/* Scanlines per character */
	u_char	scr_scanlines;	/* Low byte of scanlines per screen */
	int	screen_size;	/* Screen size in SIZ_YYROWS */
};

EXTERN struct vga_char_state vgacs[NVGAFONTS];	/* Character set states */

#if PCVT_EMU_MOUSE
struct mousestat {
	struct timeval lastmove; /* last time the pointer moved */
	u_char opened;		 /* someone would like to use a mouse */
	u_char minor;		 /* minor device number */
	u_char buttons;		 /* current "buttons" pressed */
	u_char extendedseen;	 /* 0xe0 has been seen, do not use next key */
	u_char breakseen;	 /* key break has been seen for a sticky btn */
};
#endif /* PCVT_EMU_MOUSE */

#ifdef WAS_EXTERN

#if PCVT_NETBSD > 9

int pcprobe ();
void pcattach ();

struct cfdriver vtcd = {
	NULL, "vt", pcprobe, pcattach, DV_TTY, sizeof(struct device)
};

#else

int pcprobe ( struct isa_device *dev );
int pcattach ( struct isa_device *dev );

struct	isa_driver vtdriver = {		/* driver routines */
	pcprobe, pcattach, "vt", 1,
};

#endif /* PCVT_NETBSD > 9 */

u_char fgansitopc[] = {			/* foreground ANSI color -> pc */
	FG_BLACK, FG_RED, FG_GREEN, FG_BROWN, FG_BLUE,
	FG_MAGENTA, FG_CYAN, FG_LIGHTGREY
};

u_char bgansitopc[] = {			/* background ANSI color -> pc */
	BG_BLACK, BG_RED, BG_GREEN, BG_BROWN, BG_BLUE,
	BG_MAGENTA, BG_CYAN, BG_LIGHTGREY
};

#if !PCVT_NETBSD
/* XXX Crtat is shared with syscons. */
u_short *Crtat;			/* screen start address */
#if !(PCVT_FREEBSD > 110 && PCVT_FREEBSD < 200)
struct tty *pcconsp =	&pccons[0];		/* ptr to current device */
#else /* PCVT_FREEBSD > 110 */
struct tty *pcconsp;
#endif /* !(PCVT_FREEBSD > 110) */
#else
struct tty *pcconsp;		/* ptr to current device, see pcattach() */
#endif /* PCVT_NETBSD */

#if PCVT_EMU_MOUSE
struct mousestat	mouse = {0};
struct mousedefs	mousedef = {0x3b, 0x3c, 0x3d, 0,     250000};
#endif /* PCVT_EMU_MOUSE */	/*  F1,   F2,   F3,   false, 0.25 sec */

video_state *vsp 		= &vs[0]; /* ptr to current screen parms */

#if PCVT_USL_VT_COMPAT
int	vt_switch_pending	= 0; 		/* if > 0, a vt switch is */
#endif /* PCVT_USL_VT_COMPAT */			/* pending; contains the # */
						/* of the old vt + 1 */

u_int	addr_6845		= MONO_BASE;	/* crtc base addr */
u_char	do_initialization	= 1;		/* we have to init ourselves */
u_char	pcvt_is_console		= 0;		/* until we know it */
u_char 	shift_down 		= 0;		/* shift key down flag */
u_char	ctrl_down		= 0; 		/* ctrl key down flag */
u_char	meta_down		= 0; 		/* alt key down flag */
u_char	altgr_down		= 0; 		/* altgr key down flag */
u_char	kbrepflag		= 1;		/* key repeat flag */
u_char	totalscreens		= 1;		/* screens available */
u_char	current_video_screen	= 0;		/* displayed screen no */
u_char	adaptor_type 		= UNKNOWN_ADAPTOR;/* adaptor type */
u_char 	vga_type 		= VGA_UNKNOWN;	/* vga chipset */
u_char	can_do_132col		= 0;		/* vga chipset can 132 cols */
u_char	vga_family		= 0;		/* vga manufacturer */
u_char	totalfonts		= 0;		/* fonts available */
u_char	chargen_access		= 0;		/* synchronize access */
u_char	keyboard_type		= KB_UNKNOWN;	/* type of keyboard */
u_char	keyboard_is_initialized = 0;		/* for ddb sanity */
u_char	kbd_polling		= 0;		/* keyboard is being polled */
#ifdef _I386_ISA_KBDIO_H_
u_char	reset_keyboard		= 0;		/* OK to reset keyboard */
KBDC	kbdc			= NULL;		/* keyboard controller */
#endif /* _I386_ISA_KBDIO_H_ */

#if PCVT_SHOWKEYS
u_char	keyboard_show		= 0;		/* normal display */
#endif /* PCVT_SHOWKEYS */

u_char	cursor_pos_valid	= 0;		/* sput left a valid position*/

u_char	critical_scroll		= 0;		/* inside scrolling up */
int	switch_page		= -1;		/* which page to switch to */

#if PCVT_SCREENSAVER
u_char	reset_screen_saver	= 1;		/* reset the saver next time */
u_char	scrnsv_active		= 0;		/* active flag */
#endif /* PCVT_SCREENSAVER */

#ifdef XSERVER
unsigned scrnsv_timeout		= 0;		/* initially off */
#if !PCVT_USL_VT_COMPAT
u_char pcvt_xmode		= 0;		/* display is grafx */
#endif /* PCVT_USL_VT_COMPAT */
u_char pcvt_kbd_raw		= 0;		/* keyboard sends scans */
#endif /* XSERVER */

#if PCVT_BACKUP_FONTS
u_char *saved_charsets[NVGAFONTS] = {0};	/* backup copy of fonts */
#endif /* PCVT_BACKUP_FONTS */

/*---------------------------------------------------------------------------

	VT220 attributes -> internal emulator attributes conversion tables

	be careful when designing color combinations, because on
	EGA and VGA displays, bit 3 of the attribute byte is used
	for characterset switching, and is no longer available for
	foreground intensity (bold)!

---------------------------------------------------------------------------*/

/* color displays */

u_char sgr_tab_color[16] = {
/*00*/  (BG_BLACK     | FG_LIGHTGREY),             /* normal               */
/*01*/  (BG_BLUE      | FG_LIGHTGREY),             /* bold                 */
/*02*/  (BG_BROWN     | FG_LIGHTGREY),             /* underline            */
/*03*/  (BG_MAGENTA   | FG_LIGHTGREY),             /* bold+underline       */
/*04*/  (BG_BLACK     | FG_LIGHTGREY | FG_BLINK),  /* blink                */
/*05*/  (BG_BLUE      | FG_LIGHTGREY | FG_BLINK),  /* bold+blink           */
/*06*/  (BG_BROWN     | FG_LIGHTGREY | FG_BLINK),  /* underline+blink      */
/*07*/  (BG_MAGENTA   | FG_LIGHTGREY | FG_BLINK),  /* bold+underline+blink */
/*08*/  (BG_LIGHTGREY | FG_BLACK),                 /* invers               */
/*09*/  (BG_LIGHTGREY | FG_BLUE),                  /* bold+invers          */
/*10*/  (BG_LIGHTGREY | FG_BROWN),                 /* underline+invers     */
/*11*/  (BG_LIGHTGREY | FG_MAGENTA),               /* bold+underline+invers*/
/*12*/  (BG_LIGHTGREY | FG_BLACK      | FG_BLINK), /* blink+invers         */
/*13*/  (BG_LIGHTGREY | FG_BLUE       | FG_BLINK), /* bold+blink+invers    */
/*14*/  (BG_LIGHTGREY | FG_BROWN      | FG_BLINK), /* underline+blink+invers*/
/*15*/  (BG_LIGHTGREY | FG_MAGENTA    | FG_BLINK)  /*bold+underl+blink+invers*/
};