/*- * Copyright (c) 1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id$ */ /* vm things */ #define ISMAPPED(pa, width) \ (((pa) <= (u_long)0x1000 - (width)) \ || ((pa) >= 0xa0000 && (pa) <= 0x100000 - (width))) #define pa_to_va(pa) (KERNBASE + (pa)) /* works if ISMAPPED(pa...) */ /* printable chars */ #define PRINTABLE(ch) (ch>0x1B || (ch>0x0d && ch<0x1b) || ch<0x07) /* status flags */ #define LOCK_KEY_MASK 0x0000F #define LED_MASK 0x00007 #define UNKNOWN_MODE 0x00010 #define KBD_RAW_MODE 0x00020 #define SWITCH_WAIT_REL 0x00040 #define SWITCH_WAIT_ACQ 0x00080 #define BUFFER_SAVED 0x00100 #define CURSOR_ENABLED 0x00200 #define CURSOR_SHOWN 0x00400 #define MOUSE_ENABLED 0x00800 #define UPDATE_MOUSE 0x01000 #define UPDATE_SCREEN 0x02000 /* configuration flags */ #define VISUAL_BELL 0x00001 #define BLINK_CURSOR 0x00002 #define CHAR_CURSOR 0x00004 /* video hardware memory addresses */ #define VIDEOMEM 0x000A0000 /* misc defines */ #define FALSE 0 #define TRUE 1 #define MAX_ESC_PAR 5 #define LOAD 1 #define SAVE 0 #define COL 80 #define ROW 25 #define BELL_DURATION 5 #define BELL_PITCH 800 #define TIMER_FREQ 1193182 /* should be in isa.h */ #define CONSOLE_BUFSIZE 1024 #define PCBURST 128 #define FONT_8 0x001 #define FONT_14 0x002 #define FONT_16 0x004 #define HISTORY_SIZE 100*80 /* defines related to hardware addresses */ #define MONO_BASE 0x3B4 /* crt controller base mono */ #define COLOR_BASE 0x3D4 /* crt controller base color */ #define MISC 0x3C2 /* misc output register */ #define ATC IO_VGA+0x00 /* attribute controller */ #define TSIDX IO_VGA+0x04 /* timing sequencer idx */ #define TSREG IO_VGA+0x05 /* timing sequencer data */ #define PIXMASK IO_VGA+0x06 /* pixel write mask */ #define PALRADR IO_VGA+0x07 /* palette read address */ #define PALWADR IO_VGA+0x08 /* palette write address */ #define PALDATA IO_VGA+0x09 /* palette data register */ #define GDCIDX IO_VGA+0x0E /* graph data controller idx */ #define GDCREG IO_VGA+0x0F /* graph data controller data */ /* special characters */ #define cntlc 0x03 #define cntld 0x04 #define bs 0x08 #define lf 0x0a #define cr 0x0d #define del 0x7f typedef struct term_stat { int esc; /* processing escape sequence */ int num_param; /* # of parameters to ESC */ int last_param; /* last parameter # */ int param[MAX_ESC_PAR]; /* contains ESC parameters */ int cur_attr; /* current attributes */ int std_attr; /* normal attributes */ int rev_attr; /* reverse attributes */ } term_stat; typedef struct scr_stat { u_short *scr_buf; /* buffer when off screen */ int xpos; /* current X position */ int ypos; /* current Y position */ int xsize; /* X size */ int ysize; /* Y size */ term_stat term; /* terminal emulation stuff */ int status; /* status (bitfield) */ u_short *cursor_pos; /* cursor buffer position */ u_short cursor_saveunder; /* saved chars under cursor */ char cursor_start; /* cursor start line # */ char cursor_end; /* cursor end line # */ u_short *mouse_pos; /* mouse buffer position */ u_short *mouse_oldpos; /* mouse old buffer position */ u_short mouse_saveunder[4]; /* saved chars under mouse */ short mouse_xpos; /* mouse x coordinate */ short mouse_ypos; /* mouse y coordinate */ u_char mouse_cursor[128]; /* mouse cursor bitmap store */ u_short bell_duration; u_short bell_pitch; u_char border; /* border color */ u_char mode; /* mode */ u_char font; /* font on this screen */ pid_t pid; /* pid of controlling proc */ struct proc *proc; /* proc* of controlling proc */ struct vt_mode smode; /* switch mode */ u_short *history; /* circular history buffer */ u_short *history_head; /* current head position */ u_short *history_pos; /* position shown on screen */ u_short *history_save; /* save area index */ int history_size; /* size of history buffer */ #if NAPM > 0 struct apmhook r_hook; /* reconfiguration support */ #endif } scr_stat; typedef struct default_attr { int std_attr; /* normal attributes */ int rev_attr; /* reverse attributes */ } default_attr; /* function prototypes */ int scprobe(struct isa_device *dev); int scattach(struct isa_device *dev); int scopen(dev_t dev, int flag, int mode, struct proc *p); int scclose(dev_t dev, int flag, int mode, struct proc *p); int scread(dev_t dev, struct uio *uio, int flag); int scwrite(dev_t dev, struct uio *uio, int flag); int scparam(struct tty *tp, struct termios *t); int scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); void scxint(dev_t dev); void scstart(struct tty *tp); void pccnprobe(struct consdev *cp); void pccninit(struct consdev *cp); void pccnputc(dev_t dev, char c); int pccngetc(dev_t dev); int pccncheckc(dev_t dev); void scintr(int unit); int pcmmap(dev_t dev, int offset, int nprot); static void scinit(void); static u_int scgetc(int noblock); static struct tty *get_tty_ptr(dev_t dev); static scr_stat *get_scr_stat(dev_t dev); static scr_stat *alloc_scp(); static void init_scp(scr_stat *scp); static int get_scr_num(); static void scrn_timer(); static void clear_screen(scr_stat *scp); static int switch_scr(scr_stat *scp, u_int next_scr); static void exchange_scr(void); static inline void move_crsr(scr_stat *scp, int x, int y); static void scan_esc(scr_stat *scp, u_char c); static inline void draw_cursor(scr_stat *scp, int show); static void ansi_put(scr_stat *scp, u_char *buf, int len); static u_char *get_fstr(u_int c, u_int *len); static void update_leds(int which); static void history_to_screen(scr_stat *scp); static int history_up_line(scr_stat *scp); static int history_down_line(scr_stat *scp); static void kbd_wait(void); static void kbd_cmd(u_char command); static void set_mode(scr_stat *scp); void set_border(int color); static void set_vgaregs(char *modetable); static void set_font_mode(); static void set_normal_mode(); static void copy_font(int operation, int font_type, char* font_image); static void draw_mouse_image(scr_stat *scp); static void save_palette(void); void load_palette(void); static void do_bell(scr_stat *scp, int pitch, int duration); static void blink_screen(scr_stat *scp);