/*- * Copyright (c) 1992-1994 Søren Schmidt * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz and Don Ahn. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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: syscons.c,v 1.59 1994/09/29 08:29:21 sos Exp $ */ #include "sc.h" #if NSC > 0 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if !defined(NCONS) #define NCONS 12 #endif #if defined(HARDFONTS) #include #endif /* 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 /* video hardware memory addresses */ #define VIDEOMEM 0x000A0000 /* misc defines */ #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_LOADED 0x001 #define FONT_14_LOADED 0x002 #define FONT_16_LOADED 0x004 /* 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 *crt_base; /* address of screen memory */ u_short *scr_buf; /* buffer when off screen */ u_short *crtat; /* cursor address */ int xpos; /* current X position */ int ypos; /* current Y position */ int xsize; /* X size */ int ysize; /* Y size */ term_stat term; /* terminal emulation stuff */ char cursor_start; /* cursor start line # */ char cursor_end; /* cursor end line # */ u_char border; /* border color */ u_short bell_duration; u_short bell_pitch; u_short status; /* status (bitfield) */ u_short mode; /* mode */ pid_t pid; /* pid of controlling proc */ struct proc *proc; /* proc* of controlling proc */ struct vt_mode smode; /* switch mode */ } scr_stat; typedef struct default_attr { int std_attr; /* normal attributes */ int rev_attr; /* reverse attributes */ } default_attr; static default_attr user_default = { (FG_LIGHTGREY | BG_BLACK) << 8, (FG_BLACK | BG_LIGHTGREY) << 8 }; static default_attr kernel_default = { (FG_WHITE | BG_BLACK) << 8, (FG_BLACK | BG_LIGHTGREY) << 8 }; static scr_stat console[NCONS]; static scr_stat *cur_console = &console[0]; static scr_stat *new_scp, *old_scp; static term_stat kernel_console; static default_attr *current_default; static int console_buffer_count; static char console_buffer[CONSOLE_BUFSIZE]; static int switch_in_progress = 0; static u_short *crtat = 0; static u_int crtc_addr = MONO_BASE; static char crtc_vga = 0; static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL; static int fonts_loaded = 0; static char palette[3*256]; static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); static int cur_cursor_pos = -1; static char in_putc = 0; static char polling = 0; #if ASYNCH static u_char kbd_reply = 0; #endif static int delayed_next_scr; static char saved_console = -1; /* saved console number */ static long scrn_blank_time = 0; /* screen saver timeout value */ static int scrn_blanked = 0; /* screen saver active flag */ static int scrn_saver = 0; /* screen saver routine */ static long scrn_time_stamp; static u_char scr_map[256]; /* function prototypes */ int pcprobe(struct isa_device *dev); int pcattach(struct isa_device *dev); int pcopen(dev_t dev, int flag, int mode, struct proc *p); int pcclose(dev_t dev, int flag, int mode, struct proc *p); int pcread(dev_t dev, struct uio *uio, int flag); int pcwrite(dev_t dev, struct uio *uio, int flag); int pcparam(struct tty *tp, struct termios *t); int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); void pcxint(dev_t dev); void pcstart(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); void scintr(int unit); int pcmmap(dev_t dev, int offset, int nprot); u_int sgetc(int noblock); int getchar(void); static void scinit(void); static void scput(u_char c); 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 int get_scr_num(); static void cursor_shape(int start, int end); static void get_cursor_shape(int *start, int *end); static void cursor_pos(int force); static void clear_screen(scr_stat *scp); static int switch_scr(u_int next_scr); static void exchange_scr(void); static void move_crsr(scr_stat *scp, int x, int y); static void move_up(u_short *s, u_short *d, u_int len); static void move_down(u_short *s, u_short *d, u_int len); static void scan_esc(scr_stat *scp, u_char c); static void ansi_put(scr_stat *scp, u_char c); static u_char *get_fstr(u_int c, u_int *len); static void update_leds(int which); static void kbd_wait(void); static void kbd_cmd(u_char command); static void set_mode(scr_stat *scp); static void set_border(int color); static void set_vgaregs(char *modetable); static void copy_font(int direction, int segment, int size, char* font); static void save_palette(void); static void load_palette(void); /* available screen savers */ static void none_saver(int test); static void blank_saver(int test); static void fade_saver(int test); static void star_saver(int test); static void snake_saver(int test); static void green_saver(int test); static const struct { char *name; void (*routine)(); } screen_savers[] = { { "none", none_saver }, /* 0 */ { "blank", blank_saver }, /* 1 */ { "fade", fade_saver }, /* 2 */ { "star", star_saver }, /* 3 */ { "snake", snake_saver }, /* 4 */ { "green", green_saver }, /* 5 */ }; #define SCRN_SAVER(arg) (*screen_savers[scrn_saver].routine)(arg) #define NUM_SCRN_SAVERS (sizeof(screen_savers) / sizeof(screen_savers[0])) /* OS specific stuff */ #if 0 #define VIRTUAL_TTY(x) (pccons[x] = ttymalloc(pccons[x])) #define CONSOLE_TTY (pccons[NCONS] = ttymalloc(pccons[NCONS])) struct tty *pccons[NCONS+1]; #else #define VIRTUAL_TTY(x) &pccons[x] #define CONSOLE_TTY &pccons[NCONS] struct tty pccons[NCONS+1]; #endif #define timeout_t timeout_func_t #define MONO_BUF (KERNBASE+0xB0000) #define CGA_BUF (KERNBASE+0xB8000) u_short *Crtat = (u_short *)MONO_BUF; void consinit(void) {scinit();} extern char *video_mode_ptr; struct isa_driver scdriver = { pcprobe, pcattach, "sc", }; int pcprobe(struct isa_device *dev) { int i, retries = 5; unsigned char val; /* Enable interrupts and keyboard controller */ kbd_wait(); outb(KB_STAT, KB_WRITE); kbd_wait(); outb(KB_DATA, KB_MODE); /* flush any noise in the buffer */ while (inb(KB_STAT) & KB_BUF_FULL) { DELAY(10); (void) inb(KB_DATA); } /* Reset keyboard hardware */ while (retries--) { kbd_wait(); outb(KB_DATA, KB_RESET); for (i=0; i<100000; i++) { DELAY(10); val = inb(KB_DATA); if (val == KB_ACK || val == KB_ECHO) goto gotres; if (val == KB_RESEND) break; } } gotres: if (!retries) printf("scprobe: keyboard won't accept RESET command\n"); else { gotack: DELAY(10); while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10); DELAY(10); val = inb(KB_DATA); if (val == KB_ACK) goto gotack; if (val != KB_RESET_DONE) printf("scprobe: keyboard RESET failed %02x\n", val); } return (IO_KBDSIZE); } int pcattach(struct isa_device *dev) { int i; struct scr_stat *scp; printf("sc%d: ", dev->id_unit); if (crtc_vga) if (crtc_addr == MONO_BASE) printf("VGA mono"); else printf("VGA color"); else if (crtc_addr == MONO_BASE) printf("MDA/hercules"); else printf("CGA/EGA"); if (NCONS > 1) printf(" <%d virtual consoles>\n", NCONS); else printf("\n"); if (crtc_vga) { #if defined(HARDFONTS) font_8 = font_8x8; font_14 = font_8x14; font_16 = font_8x16; fonts_loaded = FONT_8_LOADED|FONT_14_LOADED|FONT_16_LOADED; copy_font(LOAD, 1, 8, font_8); copy_font(LOAD, 2, 14, font_14); copy_font(LOAD, 0, 16, font_16); #else font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT); font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT); font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT); copy_font(SAVE, 0, 16, font_16); fonts_loaded = FONT_16_LOADED; #endif save_palette(); } for (i = 0; i < NCONS; i++) { scp = &console[i]; scp->scr_buf = (u_short *)malloc(COL*ROW*2, M_DEVBUF, M_NOWAIT); if (i > 0) { scp->crt_base = scp->crtat = scp->scr_buf; clear_screen(scp); } } /* get cursor going */ #if defined(FAT_CURSOR) if (crtc_vga) cursor_shape(console[0].cursor_start, console[0].cursor_end); #endif cursor_pos(1); update_leds(console[0].status); return 0; } static struct tty *get_tty_ptr(dev_t dev) { int unit = minor(dev); if (unit > NCONS) return(NULL); if (unit == NCONS) return(CONSOLE_TTY); return(VIRTUAL_TTY(unit)); } static scr_stat *get_scr_stat(dev_t dev) { int unit = minor(dev); if (unit > NCONS) return(NULL); if (unit == NCONS) return(&console[0]); return(&console[unit]); } static int get_scr_num() { int i = 0; while ((i < NCONS) && (cur_console != &console[i])) i++; return i < NCONS ? i : 0; } int pcopen(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = get_tty_ptr(dev); if (!tp) return(ENXIO); tp->t_oproc = pcstart; tp->t_param = pcparam; tp->t_dev = dev; if (!(tp->t_state & TS_ISOPEN)) { ttychars(tp); tp->t_iflag = TTYDEF_IFLAG; tp->t_oflag = TTYDEF_OFLAG; tp->t_cflag = TTYDEF_CFLAG; tp->t_lflag = TTYDEF_LFLAG; tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; pcparam(tp, &tp->t_termios); ttsetwater(tp); } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) return(EBUSY); tp->t_state |= TS_CARR_ON; tp->t_cflag |= CLOCAL; return((*linesw[tp->t_line].l_open)(dev, tp)); } int pcclose(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = get_tty_ptr(dev); struct scr_stat *scp; if (!tp) return(ENXIO); if (minor(dev) < NCONS) { scp = get_scr_stat(tp->t_dev); if (scp->status & SWITCH_WAIT_ACQ) wakeup((caddr_t)&scp->smode); scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; } (*linesw[tp->t_line].l_close)(tp, flag); ttyclose(tp); return(0); } int pcread(dev_t dev, struct uio *uio, int flag) { struct tty *tp = get_tty_ptr(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_read)(tp, uio, flag)); } int pcwrite(dev_t dev, struct uio *uio, int flag) { struct tty *tp = get_tty_ptr(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_write)(tp, uio, flag)); } void scintr(int unit) { static struct tty *cur_tty; int c, len; u_char *cp; /* make screensaver happy */ scrn_time_stamp = time.tv_sec; if (scrn_blanked) SCRN_SAVER(0); c = scgetc(1); cur_tty = VIRTUAL_TTY(get_scr_num()); if (!(cur_tty->t_state & TS_ISOPEN)) cur_tty = CONSOLE_TTY; if (!(cur_tty->t_state & TS_ISOPEN) || polling) return; switch (c & 0xff00) { case 0x0000: /* normal key */ (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); break; case NOKEY: /* nothing there */ break; case FKEY: /* function key, return string */ if (cp = get_fstr((u_int)c, (u_int *)&len)) { while (len-- > 0) (*linesw[cur_tty->t_line].l_rint) (*cp++ & 0xFF, cur_tty); } break; case MKEY: /* meta is active, prepend ESC */ (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); break; } } int pcparam(struct tty *tp, struct termios *t) { int cflag = t->c_cflag; /* and copy to tty */ tp->t_ispeed = t->c_ispeed; tp->t_ospeed = t->c_ospeed; tp->t_cflag = cflag; return 0; } int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) { int i, error; struct tty *tp; struct trapframe *fp; scr_stat *scp; tp = get_tty_ptr(dev); if (!tp) return ENXIO; scp = get_scr_stat(tp->t_dev); switch (cmd) { /* process console hardware related ioctl's */ case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ scrn_blank_time = *(int*)data; return 0; #define SAVER(p) ((ssaver_t *)(p)) case CONS_SSAVER: /* set screen saver */ if (SAVER(data)->num < 0 || SAVER(data)->num >= NUM_SCRN_SAVERS) return EIO; SCRN_SAVER(0); scrn_saver = SAVER(data)->num; scrn_blank_time = SAVER(data)->time; return 0; case CONS_GSAVER: /* get screen saver info */ if (SAVER(data)->num < 0) SAVER(data)->num = scrn_saver; else if (SAVER(data)->num >= NUM_SCRN_SAVERS) return EIO; SAVER(data)->time = scrn_blank_time; strcpy(SAVER(data)->name, screen_savers[SAVER(data)->num].name); return 0; case SW_VGA_C40x25: case SW_VGA_C80x25: /* VGA TEXT MODES */ case SW_VGA_M80x25: case SW_VGA_C80x50: case SW_VGA_M80x50: case SW_B40x25: case SW_C40x25: case SW_B80x25: case SW_C80x25: case SW_ENH_B40x25: case SW_ENH_C40x25: case SW_ENH_B80x25: case SW_ENH_C80x25: case SW_ENH_B80x43: case SW_ENH_C80x43: if (!crtc_vga) return ENXIO; cmd &= 0xFF; i = cmd < M_VGA_C80x50 ? *(video_mode_ptr + (cmd*64) + 2) : 0x08; switch (i) { default: case 0x08: if (!(fonts_loaded & FONT_8_LOADED)) return EINVAL; break; case 0x0E: if (!(fonts_loaded & FONT_14_LOADED)) return EINVAL; break; case 0x10: if (!(fonts_loaded & FONT_16_LOADED)) return EINVAL; break; } scp->mode = cmd; scp->status &= ~UNKNOWN_MODE; /* text mode */ if (scp->mode < M_VGA_C80x50) { scp->xsize = *(video_mode_ptr + (scp->mode*64)); scp->ysize = *(video_mode_ptr + (scp->mode*64) + 1) + 1; } else switch (scp->mode) { case M_VGA_C80x50: case M_VGA_M80x50: scp->xsize = 80; scp->ysize = 50; break; case M_ENH_B80x43: case M_ENH_C80x43: scp->xsize = 80; scp->ysize = 43; break; } free(scp->scr_buf, M_DEVBUF); scp->scr_buf = (u_short *)malloc(scp->xsize * scp->ysize * 2, M_DEVBUF, M_NOWAIT); if (scp == cur_console) set_mode(scp); else scp->crt_base = scp->scr_buf; clear_screen(scp); if (tp->t_winsize.ws_col != scp->xsize || tp->t_winsize.ws_row != scp->ysize) { tp->t_winsize.ws_col = scp->xsize; tp->t_winsize.ws_row = scp->ysize; pgsignal(tp->t_pgrp, SIGWINCH, 1); } return 0; /* GRAPHICS MODES */ case SW_BG320: case SW_CG320: case SW_BG640: case SW_CG320_D: case SW_CG640_E: case SW_CG640x350: case SW_ENH_CG640: case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: scp->mode = cmd & 0xFF; scp->status |= UNKNOWN_MODE; /* graphics mode */ if (scp == cur_console) set_mode(scp); /* clear_graphics();*/ return 0; case CONS_GETVERS: /* get version number */ *(int*)data = 0x103; /* version 1.3 */ return 0; case CONS_GETINFO: /* get current (virtual) console info */ { vid_info_t *ptr = (vid_info_t*)data; if (ptr->size == sizeof(struct vid_info)) { ptr->m_num = get_scr_num(); ptr->mv_col = scp->xpos; ptr->mv_row = scp->ypos; ptr->mv_csz = scp->xsize; ptr->mv_rsz = scp->ysize; ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; ptr->mv_grfc.fore = 0; /* not supported */ ptr->mv_grfc.back = 0; /* not supported */ ptr->mv_ovscan = scp->border; ptr->mk_keylock = scp->status & LOCK_KEY_MASK; return 0; } return EINVAL; } case VT_SETMODE: /* set screen switcher mode */ bcopy(data, &scp->smode, sizeof(struct vt_mode)); if (scp->smode.mode == VT_PROCESS) { scp->proc = p; scp->pid = scp->proc->p_pid; } return 0; case VT_GETMODE: /* get screen switcher mode */ bcopy(&scp->smode, data, sizeof(struct vt_mode)); return 0; case VT_RELDISP: /* screen switcher ioctl */ switch(*data) { case VT_FALSE: /* user refuses to release screen, abort */ if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { old_scp->status &= ~SWITCH_WAIT_REL; switch_in_progress = 0; return 0; } return EINVAL; case VT_TRUE: /* user has released screen, go on */ if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { scp->status &= ~SWITCH_WAIT_REL; exchange_scr(); if (new_scp->smode.mode == VT_PROCESS) { new_scp->status |= SWITCH_WAIT_ACQ; psignal(new_scp->proc, new_scp->smode.acqsig); } else switch_in_progress = 0; return 0; } return EINVAL; case VT_ACKACQ: /* acquire acknowledged, switch completed */ if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { scp->status &= ~SWITCH_WAIT_ACQ; switch_in_progress = 0; return 0; } return EINVAL; default: return EINVAL; } /* NOT REACHED */ case VT_OPENQRY: /* return free virtual console */ for (i = 0; i < NCONS; i++) { tp = VIRTUAL_TTY(i); if (!(tp->t_state & TS_ISOPEN)) { *data = i + 1; return 0; } } return EINVAL; case VT_ACTIVATE: /* switch to screen *data */ return switch_scr((*data) - 1); case VT_WAITACTIVE: /* wait for switch to occur */ if (*data > NCONS) return EINVAL; if (minor(dev) == (*data) - 1) return 0; if (*data == 0) { if (scp == cur_console) return 0; while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; } else while ((error=tsleep( (caddr_t)&console[*(data-1)].smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; return error; case VT_GETACTIVE: *data = get_scr_num()+1; return 0; case KDENABIO: /* allow io operations */ fp = (struct trapframe *)p->p_md.md_regs; fp->tf_eflags |= PSL_IOPL; return 0; case KDDISABIO: /* disallow io operations (default) */ fp = (struct trapframe *)p->p_md.md_regs; fp->tf_eflags &= ~PSL_IOPL; return 0; case KDSETMODE: /* set current mode of this (virtual) console */ switch (*data) { case KD_TEXT: /* switch to TEXT (known) mode */ /* restore fonts & palette ! */ if (crtc_vga) { if (fonts_loaded & FONT_16_LOADED) copy_font(LOAD, 0, 16, font_16); if (fonts_loaded & FONT_8_LOADED) copy_font(LOAD, 1, 8, font_8); if (fonts_loaded & FONT_14_LOADED) copy_font(LOAD, 2, 14, font_14); load_palette(); } /* FALL THROUGH */ case KD_TEXT1: /* switch to TEXT (known) mode */ /* no restore fonts & palette */ scp->status &= ~UNKNOWN_MODE; set_mode(scp); clear_screen(scp); return 0; case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ scp->status |= UNKNOWN_MODE; return 0; default: return EINVAL; } /* NOT REACHED */ case KDGETMODE: /* get current mode of this (virtual) console */ *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; return 0; case KDSBORDER: /* set border color of this (virtual) console */ if (!crtc_vga) return ENXIO; scp->border = *data; if (scp == cur_console) set_border(scp->border); return 0; case KDSKBSTATE: /* set keyboard state (locks) */ if (*data >= 0 && *data <= LOCK_KEY_MASK) { scp->status &= ~LOCK_KEY_MASK; scp->status |= *data; if (scp == cur_console) update_leds(scp->status); return 0; } return EINVAL; case KDGKBSTATE: /* get keyboard state (locks) */ *data = scp->status & LOCK_KEY_MASK; return 0; case KDSETRAD: /* set keyboard repeat & delay rates */ if (*data & 0x80) return EINVAL; i = spltty(); kbd_cmd(KB_SETRAD); kbd_cmd(*data); splx(i); return 0; case KDSKBMODE: /* set keyboard mode */ switch (*data) { case K_RAW: /* switch to RAW scancode mode */ scp->status |= KBD_RAW_MODE; return 0; case K_XLATE: /* switch to XLT ascii mode */ if (scp == cur_console && scp->status == KBD_RAW_MODE) shfts = ctls = alts = agrs = metas = 0; scp->status &= ~KBD_RAW_MODE; return 0; default: return EINVAL; } /* NOT REACHED */ case KDGKBMODE: /* get keyboard mode */ *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; return 0; case KDMKTONE: /* sound the bell */ if (scp == cur_console) sysbeep(scp->bell_pitch, scp->bell_duration); return 0; case KIOCSOUND: /* make tone (*data) hz */ if (scp == cur_console) { if (*(int*)data) { int pitch = TIMER_FREQ/(*(int*)data); /* set command for counter 2, 2 byte write */ if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) { return EBUSY; } /* set pitch */ outb(TIMER_CNTR2, pitch); outb(TIMER_CNTR2, (pitch>>8)); /* enable counter 2 output to speaker */ outb(IO_PPI, inb(IO_PPI) | 3); } else { /* disable counter 2 output to speaker */ outb(IO_PPI, inb(IO_PPI) & 0xFC); release_timer2(); } } return 0; case KDGKBTYPE: /* get keyboard type */ *data = 0; /* type not known (yet) */ return 0; case KDSETLED: /* set keyboard LED status */ if (*data >= 0 && *data <= LED_MASK) { scp->status &= ~LED_MASK; scp->status |= *data; if (scp == cur_console) update_leds(scp->status); return 0; } return EINVAL; case KDGETLED: /* get keyboard LED status */ *data = scp->status & LED_MASK; return 0; case GETFKEY: /* get functionkey string */ if (*(u_short*)data < n_fkey_tab) { fkeyarg_t *ptr = (fkeyarg_t*)data; bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, fkey_tab[ptr->keynum].len); ptr->flen = fkey_tab[ptr->keynum].len; return 0; } else return EINVAL; case SETFKEY: /* set functionkey string */ if (*(u_short*)data < n_fkey_tab) { fkeyarg_t *ptr = (fkeyarg_t*)data; bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, min(ptr->flen, MAXFK)); fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); return 0; } else return EINVAL; case GIO_SCRNMAP: /* get output translation table */ bcopy(&scr_map, data, sizeof(scr_map)); return 0; case PIO_SCRNMAP: /* set output translation table */ bcopy(data, &scr_map, sizeof(scr_map)); return 0; case GIO_KEYMAP: /* get keyboard translation table */ bcopy(&key_map, data, sizeof(key_map)); return 0; case PIO_KEYMAP: /* set keyboard translation table */ bcopy(data, &key_map, sizeof(key_map)); return 0; case PIO_FONT8x8: /* set 8x8 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, font_8, 8*256); fonts_loaded |= FONT_8_LOADED; copy_font(LOAD, 1, 8, font_8); return 0; case GIO_FONT8x8: /* get 8x8 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_8_LOADED) { bcopy(font_8, data, 8*256); return 0; } else return ENXIO; case PIO_FONT8x14: /* set 8x14 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, font_14, 14*256); fonts_loaded |= FONT_14_LOADED; copy_font(LOAD, 2, 14, font_14); return 0; case GIO_FONT8x14: /* get 8x14 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_14_LOADED) { bcopy(font_14, data, 14*256); return 0; } else return ENXIO; case PIO_FONT8x16: /* set 8x16 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, font_16, 16*256); fonts_loaded |= FONT_16_LOADED; copy_font(LOAD, 0, 16, font_16); return 0; case GIO_FONT8x16: /* get 8x16 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_16_LOADED) { bcopy(font_16, data, 16*256); return 0; } else return ENXIO; case CONSOLE_X_MODE_ON: /* just to be compatible */ if (saved_console < 0) { saved_console = get_scr_num(); switch_scr(minor(dev)); fp = (struct trapframe *)p->p_md.md_regs; fp->tf_eflags |= PSL_IOPL; scp->status |= UNKNOWN_MODE; scp->status |= KBD_RAW_MODE; return 0; } return EAGAIN; case CONSOLE_X_MODE_OFF:/* just to be compatible */ fp = (struct trapframe *)p->p_md.md_regs; fp->tf_eflags &= ~PSL_IOPL; if (crtc_vga) { if (fonts_loaded & FONT_16_LOADED) copy_font(LOAD, 0, 16, font_16); if (fonts_loaded & FONT_8_LOADED) copy_font(LOAD, 1, 8, font_8); if (fonts_loaded & FONT_14_LOADED) copy_font(LOAD, 2, 14, font_14); load_palette(); } scp->status &= ~UNKNOWN_MODE; set_mode(scp); clear_screen(scp); scp->status &= ~KBD_RAW_MODE; switch_scr(saved_console); saved_console = -1; return 0; case CONSOLE_X_BELL: /* more compatibility */ /* * if set, data is a pointer to a length 2 array of * integers. data[0] is the pitch in Hz and data[1] * is the duration in msec. */ if (data) sysbeep(TIMER_FREQ/((int*)data)[0], ((int*)data)[1]*hz/1000); else sysbeep(scp->bell_pitch, scp->bell_duration); return 0; default: break; } error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); if (error >= 0) return(error); error = ttioctl(tp, cmd, data, flag); if (error >= 0) return(error); return(ENOTTY); } void pcxint(dev_t dev) { struct tty *tp = get_tty_ptr(dev); if (!tp) return; tp->t_state &= ~TS_BUSY; if (tp->t_line) (*linesw[tp->t_line].l_start)(tp); else pcstart(tp); } void pcstart(struct tty *tp) { struct clist *rbp; int i, s, len; u_char buf[PCBURST]; scr_stat *scp = get_scr_stat(tp->t_dev); if (scp->status & SLKED) return; s = spltty(); if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) { tp->t_state |= TS_BUSY; splx(s); rbp = &tp->t_outq; while (rbp->c_cc) { len = q_to_b(rbp, buf, PCBURST); for (i=0; it_state &= ~TS_BUSY; #if 0 if (rbp->c_cc) { tp->t_state |= TS_TIMEOUT; timeout((timeout_t)ttrstrt, (caddr_t)tp, 1); } #endif if (rbp->c_cc <= tp->t_lowat) { if (tp->t_state & TS_ASLEEP) { tp->t_state &= ~TS_ASLEEP; wakeup((caddr_t)rbp); } selwakeup(&tp->t_wsel); } } splx(s); } void pccnprobe(struct consdev *cp) { int maj; /* locate the major number */ for (maj = 0; maj < nchrdev; maj++) if ((void*)cdevsw[maj].d_open == (void*)pcopen) break; /* initialize required fields */ cp->cn_dev = makedev(maj, NCONS); cp->cn_pri = CN_INTERNAL; } void pccninit(struct consdev *cp) { scinit(); } void pccnputc(dev_t dev, char c) { if (c == '\n') scput('\r'); scput(c); if (cur_console == &console[0]) { int pos = cur_console->crtat - cur_console->crt_base; if (pos != cur_cursor_pos) { cur_cursor_pos = pos; outb(crtc_addr,14); outb(crtc_addr+1,pos >> 8); outb(crtc_addr,15); outb(crtc_addr+1,pos&0xff); } } } int pccngetc(dev_t dev) { int s = spltty(); /* block scintr while we poll */ int c = scgetc(0); splx(s); if (c == '\r') c = '\n'; return(c); } static void none_saver(int test) { } static void fade_saver(int test) { static int count = 0; int i; if (test) { scrn_blanked = 1; if (count < 64) { outb(PIXMASK, 0xFF); /* no pixelmask */ outb(PALWADR, 0x00); outb(PALDATA, 0); outb(PALDATA, 0); outb(PALDATA, 0); for (i = 3; i < 768; i++) { if (palette[i] - count > 15) outb(PALDATA, palette[i]-count); else outb(PALDATA, 15); } inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x20); /* enable palette */ count++; } } else { count = scrn_blanked = 0; load_palette(); } } static void blank_saver(int test) { u_char val; if (test) { scrn_blanked = 1; outb(TSIDX, 0x01); val = inb(TSREG); outb(TSIDX, 0x01); outb(TSREG, val | 0x20); } else { scrn_blanked = 0; outb(TSIDX, 0x01); val = inb(TSREG); outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); } } static void green_saver(int test) { u_char val; if (test) { scrn_blanked = 1; outb(TSIDX, 0x01); val = inb(TSREG); outb(TSIDX, 0x01); outb(TSREG, val | 0x20); outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); outb(crtc_addr + 1, val & ~0x80); } else { scrn_blanked = 0; outb(TSIDX, 0x01); val = inb(TSREG); outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); outb(crtc_addr, 0x17); val = inb(crtc_addr + 1); outb(crtc_addr + 1, val | 0x80); } } #define NUM_STARS 50 /* * Alternate saver that got its inspiration from a well known utility * package for an inferior^H^H^H^H^H^Hfamous OS. */ static void star_saver(int test) { scr_stat *scp = cur_console; int cell, i; char pattern[] = {"...........++++*** "}; char colors[] = {FG_DARKGREY, FG_LIGHTGREY, FG_WHITE, FG_LIGHTCYAN}; static u_short stars[NUM_STARS][2]; if (test) { if (!scrn_blanked) { bcopy(Crtat, scp->scr_buf, scp->xsize * scp->ysize * 2); fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, scp->xsize * scp->ysize); set_border(0); i = scp->ysize * scp->xsize + 5; outb(crtc_addr, 14); outb(crtc_addr+1, i >> 8); outb(crtc_addr, 15); outb(crtc_addr+1, i & 0xff); scrn_blanked = 1; for(i=0; ixsize*scp->ysize); stars[i][1] = 0; } } cell = random() % NUM_STARS; *((u_short*)(Crtat + stars[cell][0])) = scr_map[pattern[stars[cell][1]]] | colors[random()%sizeof(colors)] << 8; if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { stars[cell][0] = random() % (scp->xsize*scp->ysize); stars[cell][1] = 0; } } else { if (scrn_blanked) { bcopy(scp->scr_buf, Crtat, scp->xsize*scp->ysize*2); cur_cursor_pos = -1; set_border(scp->border); scrn_blanked = 0; } } } static void snake_saver(int test) { const char saves[] = {"FreeBSD-2.0"}; static u_char *savs[sizeof(saves)-1]; static int dirx, diry; int f; scr_stat *scp = cur_console; if (test) { if (!scrn_blanked) { bcopy(Crtat, scp->scr_buf, scp->xsize * scp->ysize * 2); fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, scp->xsize * scp->ysize); set_border(0); dirx = (scp->xpos ? 1 : -1); diry = (scp->ypos ? scp->xsize : -scp->xsize); for (f=0; f< sizeof(saves)-1; f++) savs[f] = (u_char *)Crtat + 2 * (scp->xpos+scp->ypos*scp->xsize); *(savs[0]) = scr_map[*saves]; f = scp->ysize * scp->xsize + 5; outb(crtc_addr, 14); outb(crtc_addr+1, f >> 8); outb(crtc_addr, 15); outb(crtc_addr+1, f & 0xff); scrn_blanked = 1; } if (scrn_blanked++ < 4) return; scrn_blanked = 1; *(savs[sizeof(saves)-2]) = scr_map[0x20]; for (f=sizeof(saves)-2; f > 0; f--) savs[f] = savs[f-1]; f = (savs[0] - (u_char *)Crtat) / 2; if ((f % scp->xsize) == 0 || (f % scp->xsize) == scp->xsize - 1 || (random() % 50) == 0) dirx = -dirx; if ((f / scp->xsize) == 0 || (f / scp->xsize) == scp->ysize - 1 || (random() % 20) == 0) diry = -diry; savs[0] += 2*dirx + 2*diry; for (f=sizeof(saves)-2; f>=0; f--) *(savs[f]) = scr_map[saves[f]]; } else { if (scrn_blanked) { bcopy(scp->scr_buf, Crtat, scp->xsize * scp->ysize * 2); cur_cursor_pos = -1; set_border(scp->border); scrn_blanked = 0; } } } static void cursor_shape(int start, int end) { outb(crtc_addr, 10); outb(crtc_addr+1, start & 0xFF); outb(crtc_addr, 11); outb(crtc_addr+1, end & 0xFF); } #if !defined(FAT_CURSOR) static void get_cursor_shape(int *start, int *end) { outb(crtc_addr, 10); *start = inb(crtc_addr+1) & 0x1F; outb(crtc_addr, 11); *end = inb(crtc_addr+1) & 0x1F; } #endif static void cursor_pos(int force) { int pos; if (cur_console->status & UNKNOWN_MODE) return; if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) SCRN_SAVER(1); pos = cur_console->crtat - cur_console->crt_base; if (force || (!scrn_blanked && pos != cur_cursor_pos)) { cur_cursor_pos = pos; outb(crtc_addr, 14); outb(crtc_addr+1, pos>>8); outb(crtc_addr, 15); outb(crtc_addr+1, pos&0xff); } timeout((timeout_t)cursor_pos, 0, hz/20); } static void clear_screen(scr_stat *scp) { move_crsr(scp, 0, 0); fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, scp->xsize * scp->ysize); } static int switch_scr(u_int next_scr) { if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) switch_in_progress = 0; if (next_scr >= NCONS || switch_in_progress || (cur_console->smode.mode == VT_AUTO && cur_console->status & UNKNOWN_MODE)) { sysbeep(BELL_PITCH, BELL_DURATION); return EINVAL; } /* is the wanted virtual console open ? */ if (next_scr) { struct tty *tp = VIRTUAL_TTY(next_scr); if (!(tp->t_state & TS_ISOPEN)) { sysbeep(BELL_PITCH, BELL_DURATION); return EINVAL; } } if (in_putc) { /* delay switch if in putc */ delayed_next_scr = next_scr+1; return 0; } switch_in_progress = 1; old_scp = cur_console; new_scp = &console[next_scr]; wakeup((caddr_t)&new_scp->smode); if (new_scp == old_scp) { switch_in_progress = 0; return 0; } /* has controlling process died? */ if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) old_scp->smode.mode = VT_AUTO; if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) new_scp->smode.mode = VT_AUTO; /* check the modes and switch approbiatly */ if (old_scp->smode.mode == VT_PROCESS) { old_scp->status |= SWITCH_WAIT_REL; psignal(old_scp->proc, old_scp->smode.relsig); } else { exchange_scr(); if (new_scp->smode.mode == VT_PROCESS) { new_scp->status |= SWITCH_WAIT_ACQ; psignal(new_scp->proc, new_scp->smode.acqsig); } else switch_in_progress = 0; } return 0; } static void exchange_scr(void) { struct tty *tp; bcopy(Crtat, old_scp->scr_buf, old_scp->xsize * old_scp->ysize * 2); old_scp->crt_base = old_scp->scr_buf; move_crsr(old_scp, old_scp->xpos, old_scp->ypos); cur_console = new_scp; if (old_scp->mode != new_scp->mode) set_mode(new_scp); new_scp->crt_base = Crtat; move_crsr(new_scp, new_scp->xpos, new_scp->ypos); bcopy(new_scp->scr_buf, Crtat, new_scp->xsize * new_scp->ysize * 2); update_leds(new_scp->status); if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { if (fonts_loaded & FONT_16_LOADED) copy_font(LOAD, 0, 16, font_16); if (fonts_loaded & FONT_8_LOADED) copy_font(LOAD, 1, 8, font_8); if (fonts_loaded & FONT_14_LOADED) copy_font(LOAD, 2, 14, font_14); load_palette(); } if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) shfts = ctls = alts = agrs = metas = 0; delayed_next_scr = 0; } static void move_crsr(scr_stat *scp, int x, int y) { if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize) return; scp->xpos = x; scp->ypos = y; scp->crtat = scp->crt_base + scp->ypos * scp->xsize + scp->xpos; } static void move_up(u_short *s, u_short *d, u_int len) { s += len; d += len; while (len-- > 0) *--d = *--s; } static void move_down(u_short *s, u_short *d, u_int len) { while (len-- > 0) *d++ = *s++; } static void scan_esc(scr_stat *scp, u_char c) { static u_char ansi_col[16] = {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; int i, n; u_short *src, *dst, count; if (scp->term.esc == 1) { switch (c) { case '[': /* Start ESC [ sequence */ scp->term.esc = 2; scp->term.last_param = -1; for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) scp->term.param[i] = 1; scp->term.num_param = 0; return; case 'M': /* Move cursor up 1 line, scroll if at top */ if (scp->ypos > 0) move_crsr(scp, scp->xpos, scp->ypos - 1); else { move_up(scp->crt_base, scp->crt_base + scp->xsize, (scp->ysize - 1) * scp->xsize); fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, scp->xsize); } break; #if notyet case 'Q': scp->term.esc = 4; break; #endif case 'c': /* Clear screen & home */ clear_screen(scp); break; } } else if (scp->term.esc == 2) { if (c >= '0' && c <= '9') { if (scp->term.num_param < MAX_ESC_PAR) { if (scp->term.last_param != scp->term.num_param) { scp->term.last_param = scp->term.num_param; scp->term.param[scp->term.num_param] = 0; } else scp->term.param[scp->term.num_param] *= 10; scp->term.param[scp->term.num_param] += c - '0'; return; } } scp->term.num_param = scp->term.last_param + 1; switch (c) { case ';': if (scp->term.num_param < MAX_ESC_PAR) return; break; case '=': scp->term.esc = 3; scp->term.last_param = -1; for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) scp->term.param[i] = 1; scp->term.num_param = 0; return; case 'A': /* up n rows */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, scp->ypos - n); break; case 'B': /* down n rows */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, scp->ypos + n); break; case 'C': /* right n columns */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos + n, scp->ypos); break; case 'D': /* left n columns */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos - n, scp->ypos); break; case 'E': /* cursor to start of line n lines down */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, 0, scp->ypos + n); break; case 'F': /* cursor to start of line n lines up */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, 0, scp->ypos - n); break; case 'f': /* System V consoles .. */ case 'H': /* Cursor move */ if (scp->term.num_param == 0) move_crsr(scp, 0, 0); else if (scp->term.num_param == 2) move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); break; case 'J': /* Clear all or part of display */ if (scp->term.num_param == 0) n = 0; else n = scp->term.param[0]; switch (n) { case 0: /* clear form cursor to end of display */ fillw(scp->term.cur_attr | scr_map[0x20], scp->crtat, scp->crt_base + scp->xsize * scp->ysize - scp->crtat); break; case 1: /* clear from beginning of display to cursor */ fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, scp->crtat - scp->crt_base); break; case 2: /* clear entire display */ clear_screen(scp); break; } break; case 'K': /* Clear all or part of line */ if (scp->term.num_param == 0) n = 0; else n = scp->term.param[0]; switch (n) { case 0: /* clear form cursor to end of line */ fillw(scp->term.cur_attr | scr_map[0x20], scp->crtat, scp->xsize - scp->xpos); break; case 1: /* clear from beginning of line to cursor */ fillw(scp->term.cur_attr|scr_map[0x20], scp->crtat - (scp->xsize - scp->xpos), (scp->xsize - scp->xpos) + 1); break; case 2: /* clear entire line */ fillw(scp->term.cur_attr|scr_map[0x20], scp->crtat - (scp->xsize - scp->xpos), scp->xsize); break; } break; case 'L': /* Insert n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize - scp->ypos) n = scp->ysize - scp->ypos; src = scp->crt_base + scp->ypos * scp->xsize; dst = src + n * scp->xsize; count = scp->ysize - (scp->ypos + n); move_up(src, dst, count * scp->xsize); fillw(scp->term.cur_attr | scr_map[0x20], src, n * scp->xsize); break; case 'M': /* Delete n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize - scp->ypos) n = scp->ysize - scp->ypos; dst = scp->crt_base + scp->ypos * scp->xsize; src = dst + n * scp->xsize; count = scp->ysize - (scp->ypos + n); move_down(src, dst, count * scp->xsize); src = dst + count * scp->xsize; fillw(scp->term.cur_attr | scr_map[0x20], src, n * scp->xsize); break; case 'P': /* Delete n chars */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->xsize - scp->xpos) n = scp->xsize - scp->xpos; dst = scp->crtat; src = dst + n; count = scp->xsize - (scp->xpos + n); move_down(src, dst, count); src = dst + count; fillw(scp->term.cur_attr | scr_map[0x20], src, n); break; case '@': /* Insert n chars */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->xsize - scp->xpos) n = scp->xsize - scp->xpos; src = scp->crtat; dst = src + n; count = scp->xsize - (scp->xpos + n); move_up(src, dst, count); fillw(scp->term.cur_attr | scr_map[0x20], src, n); break; case 'S': /* scroll up n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ypos) n = scp->ypos; bcopy(scp->crt_base + (scp->xsize * n), scp->crt_base, scp->xsize * (scp->ysize - n) * sizeof(u_short)); fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base + scp->xsize * (scp->ysize - 1), scp->xsize); break; case 'T': /* scroll down n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize - scp->ypos) n = scp->ysize - scp->ypos; bcopy(scp->crt_base, scp->crt_base + (scp->xsize * n), scp->xsize * (scp->ysize - n) * sizeof(u_short)); fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base, scp->xsize); break; case 'X': /* delete n characters in line */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->xsize - scp->xpos) n = scp->xsize - scp->xpos; fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base + scp->xpos + ((scp->xsize*scp->ypos) * sizeof(u_short)), n); break; case 'Z': /* move n tabs backwards */ n = scp->term.param[0]; if (n < 1) n = 1; if ((i = scp->xpos & 0xf8) == scp->xpos) i -= 8*n; else i -= 8*(n-1); if (i < 0) i = 0; move_crsr(scp, i, scp->ypos); break; case '`': /* move cursor to column n */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, n, scp->ypos); break; case 'a': /* move cursor n columns to the right */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos + n, scp->ypos); break; case 'd': /* move cursor to row n */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, n); break; case 'e': /* move cursor n rows down */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, scp->ypos + n); break; case 'm': /* change attribute */ if (scp->term.num_param == 0) { scp->term.cur_attr = scp->term.std_attr; break; } for (i = 0; i < scp->term.num_param; i++) { switch (n = scp->term.param[i]) { case 0: /* back to normal */ scp->term.cur_attr = scp->term.std_attr; break; case 1: /* highlight (bold) */ scp->term.cur_attr &= 0xFF00; scp->term.cur_attr |= 0x0800; break; case 4: /* highlight (underline) */ scp->term.cur_attr &= 0xFF00; scp->term.cur_attr |= 0x0800; break; case 5: /* blink */ scp->term.cur_attr &= 0xFF00; scp->term.cur_attr |= 0x8000; break; case 7: /* reverse video */ scp->term.cur_attr = scp->term.rev_attr; break; case 30: case 31: /* set fg color */ case 32: case 33: case 34: case 35: case 36: case 37: scp->term.cur_attr = (scp->term.cur_attr & 0xF8FF) | (ansi_col[(n-30) & 7] << 8); break; case 40: case 41: /* set bg color */ case 42: case 43: case 44: case 45: case 46: case 47: scp->term.cur_attr = (scp->term.cur_attr & 0x8FFF) | (ansi_col[(n-40) & 7] << 12); break; } } break; case 'x': if (scp->term.num_param == 0) n = 0; else n = scp->term.param[0]; switch (n) { case 0: /* reset attributes */ scp->term.cur_attr = scp->term.std_attr = current_default->std_attr; scp->term.rev_attr = current_default->rev_attr; break; case 1: /* set ansi background */ scp->term.cur_attr = scp->term.std_attr = (scp->term.std_attr & 0x0F00) | (ansi_col[(scp->term.param[1])&0x0F]<<12); break; case 2: /* set ansi foreground */ scp->term.cur_attr = scp->term.std_attr = (scp->term.std_attr & 0xF000) | (ansi_col[(scp->term.param[1])&0x0F]<<8); break; case 3: /* set ansi attribute directly */ scp->term.cur_attr = scp->term.std_attr = (scp->term.param[1]&0xFF)<<8; break; case 5: /* set ansi reverse video background */ scp->term.rev_attr = (scp->term.rev_attr & 0x0F00) | (ansi_col[(scp->term.param[1])&0x0F]<<12); break; case 6: /* set ansi reverse video foreground */ scp->term.rev_attr = (scp->term.rev_attr & 0xF000) | (ansi_col[(scp->term.param[1])&0x0F]<<8); break; case 7: /* set ansi reverse video directly */ scp->term.rev_attr = (scp->term.param[1]&0xFF)<<8; break; } break; case 'z': /* switch to (virtual) console n */ if (scp->term.num_param == 1) switch_scr(scp->term.param[0]); break; } } else if (scp->term.esc == 3) { if (c >= '0' && c <= '9') { if (scp->term.num_param < MAX_ESC_PAR) { if (scp->term.last_param != scp->term.num_param) { scp->term.last_param = scp->term.num_param; scp->term.param[scp->term.num_param] = 0; } else scp->term.param[scp->term.num_param] *= 10; scp->term.param[scp->term.num_param] += c - '0'; return; } } scp->term.num_param = scp->term.last_param + 1; switch (c) { case ';': if (scp->term.num_param < MAX_ESC_PAR) return; break; case 'A': /* set display border color */ if (scp->term.num_param == 1) scp->border=scp->term.param[0] & 0xff; if (scp == cur_console) set_border(scp->border); break; case 'B': /* set bell pitch and duration */ if (scp->term.num_param == 2) { scp->bell_pitch = scp->term.param[0]; scp->bell_duration = scp->term.param[1]*10; } break; case 'C': /* set cursor shape (start & end line) */ if (scp->term.num_param == 2) { scp->cursor_start = scp->term.param[0] & 0x1F; scp->cursor_end = scp->term.param[1] & 0x1F; if (scp == cur_console) cursor_shape(scp->cursor_start, scp->cursor_end); } break; case 'F': /* set ansi foreground */ if (scp->term.num_param == 1) scp->term.cur_attr = scp->term.std_attr = (scp->term.std_attr & 0xF000) | ((scp->term.param[0] & 0x0F) << 8); break; case 'G': /* set ansi background */ if (scp->term.num_param == 1) scp->term.cur_attr = scp->term.std_attr = (scp->term.std_attr & 0x0F00) | ((scp->term.param[0] & 0x0F) << 12); break; case 'H': /* set ansi reverse video foreground */ if (scp->term.num_param == 1) scp->term.rev_attr = (scp->term.rev_attr & 0xF000) | ((scp->term.param[0] & 0x0F) << 8); break; case 'I': /* set ansi reverse video background */ if (scp->term.num_param == 1) scp->term.rev_attr = (scp->term.rev_attr & 0x0F00) | ((scp->term.param[0] & 0x0F) << 12); break; } } scp->term.esc = 0; } static void ansi_put(scr_stat *scp, u_char c) { if (scp->status & UNKNOWN_MODE) return; /* make screensaver happy */ if (scp == cur_console) { scrn_time_stamp = time.tv_sec; if (scrn_blanked) SCRN_SAVER(0); } in_putc++; if (scp->term.esc) scan_esc(scp, c); else switch(c) { case 0x1B: /* start escape sequence */ scp->term.esc = 1; scp->term.num_param = 0; break; case 0x07: if (scp == cur_console) sysbeep(scp->bell_pitch, scp->bell_duration); break; case '\t': /* non-destructive tab */ scp->crtat += (8 - scp->xpos % 8); scp->xpos += (8 - scp->xpos % 8); break; case '\b': /* non-destructive backspace */ if (scp->crtat > scp->crt_base) { scp->crtat--; if (scp->xpos > 0) scp->xpos--; else { scp->xpos += scp->xsize - 1; scp->ypos--; } } break; case '\r': /* return to pos 0 */ move_crsr(scp, 0, scp->ypos); break; case '\n': /* newline, same pos */ scp->crtat += scp->xsize; scp->ypos++; break; case '\f': /* form feed, clears screen */ clear_screen(scp); break; default: /* Print only printables */ *scp->crtat = (scp->term.cur_attr | scr_map[c]); scp->crtat++; if (++scp->xpos >= scp->xsize) { scp->xpos = 0; scp->ypos++; } break; } if (scp->crtat >= scp->crt_base + scp->ysize * scp->xsize) { bcopy(scp->crt_base + scp->xsize, scp->crt_base, scp->xsize * (scp->ysize - 1) * sizeof(u_short)); fillw(scp->term.cur_attr | scr_map[0x20], scp->crt_base + scp->xsize * (scp->ysize - 1), scp->xsize); scp->crtat -= scp->xsize; scp->ypos--; } in_putc--; if (delayed_next_scr) switch_scr(delayed_next_scr - 1); } static void scinit(void) { u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; unsigned cursorat; int start = -1, end = -1, i; scr_stat *scp; /* * catch that once in a blue moon occurence when scinit is called * TWICE, adding the CGA_BUF offset again -> poooff */ if (crtat != 0) return; /* * Crtat initialized to point to MONO buffer, if not present change * to CGA_BUF offset. ONLY ADD the difference since locore.s adds * in the remapped offset at the "right" time */ was = *cp; *cp = (u_short) 0xA55A; if (*cp != 0xA55A) { crtc_addr = MONO_BASE; } else { *cp = was; crtc_addr = COLOR_BASE; Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); } /* Extract cursor location */ outb(crtc_addr,14); cursorat = inb(crtc_addr+1)<<8 ; outb(crtc_addr,15); cursorat |= inb(crtc_addr+1); crtat = Crtat + cursorat; /* is this a VGA or higher ? */ outb(crtc_addr, 7); if (inb(crtc_addr) == 7) { crtc_vga = 1; #if defined(FAT_CURSOR) start = 0; end = 18; #else get_cursor_shape(&start, &end); #endif } current_default = &user_default; for (i = 0; i < NCONS; i++) { scp = &console[i]; scp->mode = M_VGA_C80x25; scp->term.esc = 0; scp->term.std_attr = current_default->std_attr; scp->term.rev_attr = current_default->rev_attr; scp->term.cur_attr = scp->term.std_attr; scp->border = BG_BLACK; scp->cursor_start = start; scp->cursor_end = end; scp->xsize = COL; scp->ysize = ROW; scp->bell_pitch = BELL_PITCH; scp->bell_duration = BELL_DURATION; scp->status = NLKED; scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; if (i == 0) { scp->xpos = cursorat % COL; scp->ypos = cursorat / COL; scp->crt_base = Crtat; scp->crtat = crtat; } } kernel_console.esc = 0; kernel_console.std_attr = kernel_default.std_attr; kernel_console.rev_attr = kernel_default.rev_attr; kernel_console.cur_attr = kernel_default.std_attr; /* initialize mapscrn array to a one to one map */ for (i=0; iterm; scp->term = kernel_console; current_default = &kernel_default; ansi_put(scp, c); kernel_console = scp->term; current_default = &user_default; scp->term = save; --in_putc; } else { if( console_buffer_count < CONSOLE_BUFSIZE) console_buffer[console_buffer_count++] = c; } } static u_char *get_fstr(u_int c, u_int *len) { u_int i; if (!(c & FKEY)) return(NULL); i = (c & 0xFF) - F_FN; if (i > n_fkey_tab) return(NULL); *len = fkey_tab[i].len; return(fkey_tab[i].str); } static void update_leds(int which) { int s; static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; /* replace CAPS led with ALTGR led for ALTGR keyboards */ if (key_map.n_keys > ALTGR_OFFSET) { if (which & ALKED) which |= CLKED; else which &= ~CLKED; } s = spltty(); kbd_cmd(KB_SETLEDS); kbd_cmd(xlate_leds[which & LED_MASK]); splx(s); } /* * scgetc(noblock) - get character from keyboard. * If noblock = 0 wait until a key is pressed. * Else return NOKEY. */ u_int scgetc(int noblock) { u_char scancode, keycode; u_int state, action; struct key_t *key; static u_char esc_flag = 0, compose = 0; static u_int chr = 0; next_code: kbd_wait(); /* First see if there is something in the keyboard port */ if (inb(KB_STAT) & KB_BUF_FULL) scancode = inb(KB_DATA); else if (noblock) return(NOKEY); else goto next_code; if (cur_console->status & KBD_RAW_MODE) return scancode; #if ASYNCH if (scancode == KB_ACK || scancode == KB_RESEND) { kbd_reply = scancode; if (noblock) return(NOKEY); goto next_code; } #endif keycode = scancode & 0x7F; switch (esc_flag) { case 0x00: /* normal scancode */ switch(scancode) { case 0xB8: /* left alt (compose key) */ if (compose) { compose = 0; if (chr > 255) { sysbeep(BELL_PITCH, BELL_DURATION); chr = 0; } } break; case 0x38: if (!compose) { compose = 1; chr = 0; } break; case 0xE0: case 0xE1: esc_flag = scancode; goto next_code; } break; case 0xE0: /* 0xE0 prefix */ esc_flag = 0; switch (keycode) { case 0x1C: /* right enter key */ keycode = 0x59; break; case 0x1D: /* right ctrl key */ keycode = 0x5A; break; case 0x35: /* keypad divide key */ keycode = 0x5B; break; case 0x37: /* print scrn key */ keycode = 0x5C; break; case 0x38: /* right alt key (alt gr) */ keycode = 0x5D; break; case 0x47: /* grey home key */ keycode = 0x5E; break; case 0x48: /* grey up arrow key */ keycode = 0x5F; break; case 0x49: /* grey page up key */ keycode = 0x60; break; case 0x4B: /* grey left arrow key */ keycode = 0x61; break; case 0x4D: /* grey right arrow key */ keycode = 0x62; break; case 0x4F: /* grey end key */ keycode = 0x63; break; case 0x50: /* grey down arrow key */ keycode = 0x64; break; case 0x51: /* grey page down key */ keycode = 0x65; break; case 0x52: /* grey insert key */ keycode = 0x66; break; case 0x53: /* grey delete key */ keycode = 0x67; break; default: /* ignore everything else */ goto next_code; } break; case 0xE1: /* 0xE1 prefix */ esc_flag = 0; if (keycode == 0x1D) esc_flag = 0x1D; goto next_code; /* NOT REACHED */ case 0x1D: /* pause / break */ esc_flag = 0; if (keycode != 0x45) goto next_code; keycode = 0x68; break; } if (compose) { switch (scancode) { /* key pressed process it */ case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ chr = (scancode - 0x40) + chr*10; goto next_code; case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ chr = (scancode - 0x47) + chr*10; goto next_code; case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ chr = (scancode - 0x4E) + chr*10; goto next_code; case 0x52: /* keypad 0 */ chr *= 10; goto next_code; /* key release, no interest here */ case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ case 0xD2: /* keypad 0 */ goto next_code; case 0x38: /* left alt key */ break; default: if (chr) { compose = chr = 0; sysbeep(BELL_PITCH, BELL_DURATION); goto next_code; } break; } } state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); if ((!agrs && (cur_console->status & ALKED)) || (agrs && !(cur_console->status & ALKED))) keycode += ALTGR_OFFSET; key = &key_map.key[keycode]; if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) state ^= 1; /* Check for make/break */ action = key->map[state]; if (scancode & 0x80) { /* key released */ if (key->spcl & 0x80) { switch (action) { case LSH: shfts &= ~1; break; case RSH: shfts &= ~2; break; case LCTR: ctls &= ~1; break; case RCTR: ctls &= ~2; break; case LALT: alts &= ~1; break; case RALT: alts &= ~2; break; case NLK: nlkcnt = 0; break; case CLK: clkcnt = 0; break; case SLK: slkcnt = 0; break; case ASH: agrs = 0; break; case ALK: alkcnt = 0; break; case META: metas = 0; break; } } if (chr && !compose) { action = chr; chr = 0; return(action); } } else { /* key pressed */ if (key->spcl & (0x80>>state)) { switch (action) { /* LOCKING KEYS */ case NLK: if (!nlkcnt) { nlkcnt++; if (cur_console->status & NLKED) cur_console->status &= ~NLKED; else cur_console->status |= NLKED; update_leds(cur_console->status); } break; case CLK: if (!clkcnt) { clkcnt++; if (cur_console->status & CLKED) cur_console->status &= ~CLKED; else cur_console->status |= CLKED; update_leds(cur_console->status); } break; case SLK: if (!slkcnt) { slkcnt++; if (cur_console->status & SLKED) { cur_console->status &= ~SLKED; pcstart(VIRTUAL_TTY(get_scr_num())); } else cur_console->status |= SLKED; update_leds(cur_console->status); } break; case ALK: if (!alkcnt) { alkcnt++; if (cur_console->status & ALKED) cur_console->status &= ~ALKED; else cur_console->status |= ALKED; update_leds(cur_console->status); } break; /* NON-LOCKING KEYS */ case NOP: break; case RBT: shutdown_nice(); break; case DBG: #ifdef DDB /* try to switch to console 0 */ if (cur_console->smode.mode == VT_AUTO && console[0].smode.mode == VT_AUTO) switch_scr(0); Debugger("manual escape to debugger"); return(NOKEY); #else printf("No debugger in kernel\n"); #endif break; case LSH: shfts |= 1; break; case RSH: shfts |= 2; break; case LCTR: ctls |= 1; break; case RCTR: ctls |= 2; break; case LALT: alts |= 1; break; case RALT: alts |= 2; break; case ASH: agrs = 1; break; case META: metas = 1; break; case NEXT: switch_scr((get_scr_num()+1)%NCONS); break; default: if (action >= F_SCR && action <= L_SCR) { switch_scr(action - F_SCR); break; } if (action >= F_FN && action <= L_FN) action |= FKEY; return(action); } } else { if (metas) action |= MKEY; return(action); } } goto next_code; } int getchar(void) { u_char thechar; int s; polling = 1; s = splhigh(); scput('>'); thechar = (u_char) scgetc(0); polling = 0; splx(s); switch (thechar) { default: if (thechar >= scr_map[0x20]) scput(thechar); return(thechar); case cr: case lf: scput(cr); scput(lf); return(lf); case bs: case del: scput(bs); scput(scr_map[0x20]); scput(bs); return(thechar); case cntld: scput('^'); scput('D'); scput('\r'); scput('\n'); return(0); } } u_int sgetc(int noblock) { return (scgetc(noblock) & 0xff); } int pcmmap(dev_t dev, int offset, int nprot) { if (offset > 0x20000) return EINVAL; return i386_btop((VIDEOMEM + offset)); } static void kbd_wait(void) { int i = 1000; while (i--) { if ((inb(KB_STAT) & KB_READY) == 0) break; DELAY (10); } } static void kbd_cmd(u_char command) { int retry = 5; do { int i = 100000; kbd_wait(); #if ASYNCH kbd_reply = 0; outb(KB_DATA, command); while (i--) { if (kbd_reply == KB_ACK) return; if (kbd_reply == KB_RESEND) break; } #else outb(KB_DATA, command); while (i--) { if (inb(KB_STAT) & KB_BUF_FULL) { int val; DELAY(10); val = inb(KB_DATA); if (val == KB_ACK) return; if (val == KB_RESEND) break; } } #endif } while (retry--); } static void set_mode(scr_stat *scp) { char *modetable; char special_modetable[64]; int mode, font_size; if (scp != cur_console) return; /* mode change only on VGA's */ if (!crtc_vga) { /* (re)activate cursor */ untimeout((timeout_t)cursor_pos, 0); cursor_pos(1); return; } /* setup video hardware for the given mode */ switch (scp->mode) { case M_VGA_C80x50: bcopy(video_mode_ptr+(64*M_VGA_C80x25), &special_modetable, 64); special_modetable[2] = 8; special_modetable[19] = 7; modetable = special_modetable; goto setup_mode; case M_VGA_M80x50: bcopy(video_mode_ptr+(64*M_VGA_M80x25), &special_modetable, 64); special_modetable[2] = 8; special_modetable[19] = 7; modetable = special_modetable; goto setup_mode; case M_ENH_B80x43: bcopy(video_mode_ptr+(64*M_ENH_B80x25), &special_modetable, 64); special_modetable[2] = 8; special_modetable[19] = 7; special_modetable[28] = 87; modetable = special_modetable; goto setup_mode; case M_ENH_C80x43: bcopy(video_mode_ptr+(64*M_ENH_C80x25), &special_modetable, 64); special_modetable[2] = 8; special_modetable[19] = 7; special_modetable[28] = 87; modetable = special_modetable; goto setup_mode; case M_VGA_C40x25: case M_VGA_C80x25: /* VGA TEXT MODES */ case M_VGA_M80x25: case M_B40x25: case M_C40x25: case M_B80x25: case M_C80x25: case M_ENH_B40x25: case M_ENH_C40x25: case M_ENH_B80x25: case M_ENH_C80x25: modetable = (char*)(video_mode_ptr + (scp->mode * 64)); setup_mode: set_vgaregs(modetable); font_size = *(modetable + 2); /* change cursor type if set */ if (scp->cursor_start != -1 && scp->cursor_end != -1) cursor_shape( (scp->cursor_start >= font_size) ? font_size - 1 : scp->cursor_start, (scp->cursor_end >= font_size) ? font_size - 1 : scp->cursor_end); /* set font type (size) */ switch (font_size) { case 0x08: outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ break; case 0x0E: outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ break; case 0x10: outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ break; default: outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ } /* (re)activate cursor */ untimeout((timeout_t)cursor_pos, 0); cursor_pos(1); break; case M_BG320: case M_CG320: case M_BG640: case M_CG320_D: case M_CG640_E: case M_CG640x350: case M_ENH_CG640: case M_BG640x480: case M_CG640x480: case M_VGA_CG320: set_vgaregs(video_mode_ptr + (scp->mode * 64)); break; default: /* call user defined function XXX */ break; } /* set border color for this (virtual) console */ set_border(scp->border); return; } static void set_border(int color) { inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x11); outb(ATC, color); inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x20); /* enable Palette */ } static void set_vgaregs(char *modetable) { int i, s = splhigh(); outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ for (i=0; i<4; i++) { /* program sequencer */ outb(TSIDX, i+1); outb(TSREG, modetable[i+5]); } outb(MISC, modetable[9]); /* set dot-clock */ outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ outb(crtc_addr, 0x11); outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); for (i=0; i<25; i++) { /* program crtc */ outb(crtc_addr, i); outb(crtc_addr+1, modetable[i+10]); } inb(crtc_addr+6); /* reset flip-flop */ for (i=0; i<20; i++) { /* program attribute ctrl */ outb(ATC, i); outb(ATC, modetable[i+35]); } for (i=0; i<9; i++) { /* program graph data ctrl */ outb(GDCIDX, i); outb(GDCREG, modetable[i+55]); } inb(crtc_addr+6); /* reset flip-flop */ outb(ATC ,0x20); /* enable palette */ splx(s); } static void copy_font(int direction, int segment, int size, char* font) { int ch, line, s; u_char val; outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ outb(TSIDX, 0x01); outb(TSREG, val | 0x20); /* setup vga for loading fonts (graphics plane mode) */ inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x30); outb(ATC, 0x01); outb(TSIDX, 0x02); outb(TSREG, 0x04); outb(TSIDX, 0x04); outb(TSREG, 0x06); outb(GDCIDX, 0x04); outb(GDCREG, 0x02); outb(GDCIDX, 0x05); outb(GDCREG, 0x00); outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ for (ch=0; ch < 256; ch++) for (line=0; line < size; line++) if (direction) *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = font[(ch*size)+line]; else font[(ch*size)+line] = *((char *)atdevbase+(segment*0x4000)+(ch*32)+line); /* setup vga for text mode again */ s = splhigh(); inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x30); outb(ATC, 0x0C); outb(TSIDX, 0x02); outb(TSREG, 0x03); outb(TSIDX, 0x04); outb(TSREG, 0x02); outb(GDCIDX, 0x04); outb(GDCREG, 0x00); outb(GDCIDX, 0x05); outb(GDCREG, 0x10); if (crtc_addr == MONO_BASE) { outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ } else { outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ } splx(s); outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); } static void load_palette(void) { int i; outb(PIXMASK, 0xFF); /* no pixelmask */ outb(PALWADR, 0x00); for (i=0x00; i<0x300; i++) outb(PALDATA, palette[i]); inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x20); /* enable palette */ } static void save_palette(void) { int i; outb(PALRADR, 0x00); for (i=0x00; i<0x300; i++) palette[i] = inb(PALDATA); inb(crtc_addr+6); /* reset flip/flop */ } #endif /* NSC */