/*- * Copyright (c) 1992-1996 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: syscons.c,v 1.160 1996/07/30 15:20:08 ache Exp $ */ #include "sc.h" #include "apm.h" #include "opt_ddb.h" #if NSC > 0 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef DEVFS #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if !defined(MAXCONS) #define MAXCONS 16 #endif /* this may break on older VGA's but is usefull on real 32 bit systems */ #define bcopyw bcopy 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 main_console; static scr_stat *console[MAXCONS]; #ifdef DEVFS static void *sc_devfs_token[MAXCONS]; #endif scr_stat *cur_console; static scr_stat *new_scp, *old_scp; static term_stat kernel_console; static default_attr *current_default; static char init_done = FALSE; static int configuration = 0; static char switch_in_progress = FALSE; static char blink_in_progress = FALSE; static char write_in_progress = FALSE; u_int crtc_addr = MONO_BASE; static char crtc_vga = FALSE; 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; char palette[3*256]; static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); static int delayed_next_scr = FALSE; static long scrn_blank_time = 0; /* screen saver timeout value */ int scrn_blanked = FALSE; /* screen saver active flag */ static long scrn_time_stamp; u_char scr_map[256]; static char *video_mode_ptr = NULL; static char *cut_buffer; static u_short mouse_and_mask[16] = { 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 }; static u_short mouse_or_mask[16] = { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 }; static void none_saver(int blank) { } void (*current_saver) __P((int blank)) = none_saver; /* OS specific stuff */ #ifdef not_yet_done #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) struct tty *sccons[MAXCONS+1]; #else #define VIRTUAL_TTY(x) &sccons[x] #define CONSOLE_TTY &sccons[MAXCONS] static struct tty sccons[MAXCONS+1]; static int nsccons = MAXCONS; /* for pstat only */ #endif #define MONO_BUF pa_to_va(0xB0000) #define CGA_BUF pa_to_va(0xB8000) u_short *Crtat; #define WRAPHIST(scp, pointer, offset)\ ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ + (offset)) % (scp->history_size))) /* prototypes */ static int scattach(struct isa_device *dev); static int scparam(struct tty *tp, struct termios *t); static int scprobe(struct isa_device *dev); static void scstart(struct tty *tp); static void scinit(void); static u_int scgetc(int noblock); static scr_stat *get_scr_stat(dev_t dev); static scr_stat *alloc_scp(void); static void init_scp(scr_stat *scp); static int get_scr_num(void); static void scrn_timer(void); 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); static void set_vgaregs(char *modetable); static void set_font_mode(void); static void set_normal_mode(void); static void copy_font(int operation, int font_type, char* font_image); static void set_destructive_cursor(scr_stat *scp, int force); static void set_mouse_pos(scr_stat *scp); static void reverse_mouse_cut(scr_stat *scp, int cut); static void mouse_cut_start(scr_stat *scp); static void mouse_cut_end(scr_stat *scp); static void mouse_paste(scr_stat *scp); static void draw_mouse_image(scr_stat *scp); static void save_palette(void); static void do_bell(scr_stat *scp, int pitch, int duration); static void blink_screen(scr_stat *scp); struct isa_driver scdriver = { scprobe, scattach, "sc", 1 }; static d_open_t scopen; static d_close_t scclose; static d_read_t scread; static d_write_t scwrite; static d_ioctl_t scioctl; static d_devtotty_t scdevtotty; static d_mmap_t scmmap; #define CDEV_MAJOR 12 static struct cdevsw scdevsw = { scopen, scclose, scread, scwrite, scioctl, nullstop, noreset, scdevtotty, ttselect, scmmap, nostrategy, "sc", NULL, -1 }; /* * Calculate hardware attributes word using logical attributes mask and * hardware colors */ static int mask2attr(struct term_stat *term) { int attr, mask = term->attr_mask; if (mask & REVERSE_ATTR) { attr = ((mask & FOREGROUND_CHANGED) ? ((term->cur_color & 0xF000) >> 4) : (term->rev_color & 0x0F00)) | ((mask & BACKGROUND_CHANGED) ? ((term->cur_color & 0x0F00) << 4) : (term->rev_color & 0xF000)); } else attr = term->cur_color; /* XXX: underline mapping for Hercules adapter can be better */ if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) attr ^= 0x0800; if (mask & BLINK_ATTR) attr ^= 0x8000; return attr; } static int scprobe(struct isa_device *dev) { int i, j, 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(100); (void) inb(KB_DATA); } /* Reset keyboard hardware */ while (retries--) { kbd_wait(); outb(KB_DATA, KB_RESET); for (i=0; i<10000; i++) { DELAY(100); val = inb(KB_DATA); if (val == KB_ACK || val == KB_ECHO) goto gotres; if (val == KB_RESEND) break; } } gotres: if (retries < 0) printf("scprobe: keyboard won't accept RESET command\n"); else { i = 10; /* At most 10 retries. */ gotack: DELAY(100); j = 1000; /* Wait at most 1 s. */ while ((inb(KB_STAT) & KB_BUF_FULL) == 0 && --j > 0) DELAY(1000); DELAY(1000); val = inb(KB_DATA); if (val == KB_ACK && --i > 0) goto gotack; if (val != KB_RESET_DONE) printf("scprobe: keyboard RESET failed (result = 0x%02x)\n", val); } #ifdef XT_KEYBOARD kbd_wait(); outb(KB_DATA, 0xF0); kbd_wait(); outb(KB_DATA, 1); kbd_wait(); #endif /* XT_KEYBOARD */ return (IO_KBDSIZE); } static struct kern_devconf kdc_sc[NSC] = { 0, 0, 0, /* filled in by dev_attach */ "sc", 0, { MDDT_ISA, 0, "tty" }, isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, &kdc_isa0, /* parent */ 0, /* parentdata */ DC_BUSY, /* the console is almost always busy */ "Graphics console", DC_CLS_DISPLAY /* class */ }; static inline void sc_registerdev(struct isa_device *id) { if(id->id_unit) kdc_sc[id->id_unit] = kdc_sc[0]; kdc_sc[id->id_unit].kdc_unit = id->id_unit; kdc_sc[id->id_unit].kdc_isa = id; dev_attach(&kdc_sc[id->id_unit]); } #if NAPM > 0 static int scresume(void *dummy) { shfts = 0; ctls = 0; alts = 0; agrs = 0; metas = 0; return 0; } #endif /* * These functions need to be before calls to them so they can be inlined. */ static inline void draw_cursor(scr_stat *scp, int show) { if (show && !(scp->status & CURSOR_SHOWN)) { u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf)); scp->cursor_saveunder = cursor_image; if (configuration & CHAR_CURSOR) { set_destructive_cursor(scp, FALSE); cursor_image = (cursor_image & 0xff00) | DEAD_CHAR; } else { if ((cursor_image & 0x7000) == 0x7000) { cursor_image &= 0x8fff; if(!(cursor_image & 0x0700)) cursor_image |= 0x0700; } else { cursor_image |= 0x7000; if ((cursor_image & 0x0700) == 0x0700) cursor_image &= 0xf0ff; } } *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->status |= CURSOR_SHOWN; } if (!show && (scp->status & CURSOR_SHOWN)) { *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->status &= ~CURSOR_SHOWN; } } static inline void move_crsr(scr_stat *scp, int x, int y) { if (x < 0) x = 0; if (y < 0) y = 0; if (x >= scp->xsize) x = scp->xsize-1; if (y >= scp->ysize) y = scp->ysize-1; scp->xpos = x; scp->ypos = y; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); } static int scattach(struct isa_device *dev) { scr_stat *scp; #ifdef DEVFS int vc; #endif scinit(); configuration = dev->id_flags; scp = console[0]; if (crtc_vga) { cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); 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, FONT_16, font_16); fonts_loaded = FONT_16; scp->font_size = FONT_16; save_palette(); } scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_NOWAIT); /* copy screen to buffer */ bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; scp->mouse_pos = scp->scr_buf; /* initialize history buffer & pointers */ scp->history_head = scp->history_pos = scp->history = (u_short *)malloc(scp->history_size*sizeof(u_short), M_DEVBUF, M_NOWAIT); bzero(scp->history_head, scp->history_size*sizeof(u_short)); /* initialize cursor stuff */ draw_cursor(scp, TRUE); if (crtc_vga && (configuration & CHAR_CURSOR)) set_destructive_cursor(scp, TRUE); /* get screen update going */ scrn_timer(); update_leds(scp->status); sc_registerdev(dev); 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"); printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration); #if NAPM > 0 scp->r_hook.ah_fun = scresume; scp->r_hook.ah_arg = NULL; scp->r_hook.ah_name = "system keyboard"; scp->r_hook.ah_order = APM_MID_ORDER; apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); #endif { dev_t dev = makedev(CDEV_MAJOR, 0); cdevsw_add(&dev, &scdevsw, NULL); } #ifdef DEVFS for (vc = 0; vc < MAXCONS; vc++) sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, GID_WHEEL, 0600, "ttyv%n", vc); #endif return 0; } struct tty *scdevtotty(dev_t dev) { int unit = minor(dev); if (!init_done) return(NULL); if (unit > MAXCONS || unit < 0) return(NULL); if (unit == MAXCONS) return CONSOLE_TTY; return VIRTUAL_TTY(unit); } static scr_stat *get_scr_stat(dev_t dev) { int unit = minor(dev); if (unit > MAXCONS || unit < 0) return(NULL); if (unit == MAXCONS) return console[0]; return console[unit]; } static int get_scr_num() { int i = 0; while ((i < MAXCONS) && (cur_console != console[i])) i++; return i < MAXCONS ? i : 0; } int scopen(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = scdevtotty(dev); if (!tp) return(ENXIO); tp->t_oproc = scstart; tp->t_param = scparam; 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; scparam(tp, &tp->t_termios); ttsetwater(tp); (*linesw[tp->t_line].l_modem)(tp, 1); } else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) return(EBUSY); if (!console[minor(dev)]) console[minor(dev)] = alloc_scp(); return((*linesw[tp->t_line].l_open)(dev, tp)); } int scclose(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = scdevtotty(dev); struct scr_stat *scp; if (!tp) return(ENXIO); if (minor(dev) < MAXCONS) { scp = get_scr_stat(tp->t_dev); if (scp->status & SWITCH_WAIT_ACQ) wakeup((caddr_t)&scp->smode); #if not_yet_done if (scp == &main_console) { scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; } else { free(scp->scr_buf, M_DEVBUF); free(scp->history, M_DEVBUF); free(scp, M_DEVBUF); console[minor(dev)] = NULL; } #else scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; #endif } (*linesw[tp->t_line].l_close)(tp, flag); ttyclose(tp); return(0); } int scread(dev_t dev, struct uio *uio, int flag) { struct tty *tp = scdevtotty(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_read)(tp, uio, flag)); } int scwrite(dev_t dev, struct uio *uio, int flag) { struct tty *tp = scdevtotty(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) { (*current_saver)(FALSE); cur_console->start = 0; cur_console->end = cur_console->xsize * cur_console->ysize; } c = scgetc(1); cur_tty = VIRTUAL_TTY(get_scr_num()); if (!(cur_tty->t_state & TS_ISOPEN)) if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) 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; case BKEY: /* backtab fixed sequence (esc [ Z) */ (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); break; } } static int scparam(struct tty *tp, struct termios *t) { tp->t_ispeed = t->c_ispeed; tp->t_ospeed = t->c_ospeed; tp->t_cflag = t->c_cflag; return 0; } int scioctl(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 = scdevtotty(dev); if (!tp) return ENXIO; scp = get_scr_stat(tp->t_dev); switch (cmd) { /* process console hardware related ioctl's */ case GIO_ATTR: /* get current attributes */ *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; return 0; case GIO_COLOR: /* is this a color console ? */ if (crtc_addr == COLOR_BASE) *(int*)data = 1; else *(int*)data = 0; return 0; case CONS_CURRENT: /* get current adapter type */ if (crtc_vga) *(int*)data = KD_VGA; else if (crtc_addr == MONO_BASE) *(int*)data = KD_MONO; else *(int*)data = KD_CGA; return 0; case CONS_GET: /* get current video mode */ *(int*)data = scp->mode; return 0; case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ scrn_blank_time = *(int*)data; return 0; case CONS_CURSORTYPE: /* set cursor type blink/noblink */ if ((*(int*)data) & 0x01) configuration |= BLINK_CURSOR; else configuration &= ~BLINK_CURSOR; if ((*(int*)data) & 0x02) { configuration |= CHAR_CURSOR; set_destructive_cursor(scp, TRUE); } else configuration &= ~CHAR_CURSOR; return 0; case CONS_BELLTYPE: /* set bell type sound/visual */ if (*data) configuration |= VISUAL_BELL; else configuration &= ~VISUAL_BELL; return 0; case CONS_HISTORY: /* set history size */ if (*data) { free(scp->history, M_DEVBUF); scp->history_size = *(int*)data; if (scp->history_size < scp->ysize) scp->history = NULL; else { scp->history_size *= scp->xsize; scp->history_head = scp->history_pos = scp->history = (u_short *)malloc(scp->history_size*sizeof(u_short), M_DEVBUF, M_WAITOK); bzero(scp->history_head, scp->history_size*sizeof(u_short)); } return 0; } else return EINVAL; case CONS_MOUSECTL: /* control mouse arrow */ { mouse_info_t *mouse = (mouse_info_t*)data; switch (mouse->operation) { case MOUSE_MODE: if (mouse->u.mode.signal > 0 && mouse->u.mode.signal < NSIG) { scp->mouse_signal = mouse->u.mode.signal; scp->mouse_proc = p; scp->mouse_pid = p->p_pid; } else { scp->mouse_signal = 0; scp->mouse_proc = NULL; scp->mouse_pid = 0; } return 0; case MOUSE_SHOW: if (!(scp->status & MOUSE_ENABLED)) { scp->status |= MOUSE_ENABLED; scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf); mark_all(scp); } else return EINVAL; break; case MOUSE_HIDE: if (scp->status & MOUSE_ENABLED) { scp->status &= ~MOUSE_ENABLED; mark_all(scp); } else return EINVAL; break; case MOUSE_MOVEABS: scp->mouse_xpos = mouse->u.data.x; scp->mouse_ypos = mouse->u.data.y; set_mouse_pos(scp); break; case MOUSE_MOVEREL: scp->mouse_xpos += mouse->u.data.x; scp->mouse_ypos += mouse->u.data.y; set_mouse_pos(scp); break; case MOUSE_GETINFO: mouse->u.data.x = scp->mouse_xpos; mouse->u.data.y = scp->mouse_ypos; mouse->u.data.buttons = scp->mouse_buttons; return 0; case MOUSE_ACTION: /* this should maybe only be settable from /dev/console SOS */ cur_console->mouse_xpos += mouse->u.data.x; cur_console->mouse_ypos += mouse->u.data.y; if (cur_console->mouse_signal) { cur_console->mouse_buttons = mouse->u.data.buttons; /* has controlling process died? */ if (cur_console->mouse_proc && (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ cur_console->mouse_signal = 0; cur_console->mouse_proc = NULL; cur_console->mouse_pid = 0; } else psignal(cur_console->mouse_proc, cur_console->mouse_signal); } else { /* process button presses*/ if (cur_console->mouse_buttons != mouse->u.data.buttons) { cur_console->mouse_buttons = mouse->u.data.buttons; if (!(scp->status & UNKNOWN_MODE)) { if (cur_console->mouse_buttons & LEFT_BUTTON) mouse_cut_start(cur_console); else mouse_cut_end(cur_console); if (cur_console->mouse_buttons & RIGHT_BUTTON) mouse_paste(cur_console); } } } if (mouse->u.data.x != 0 || mouse->u.data.y != 0) set_mouse_pos(cur_console); break; default: return EINVAL; } /* make screensaver happy */ if (scp == cur_console) { scrn_time_stamp = time.tv_sec; if (scrn_blanked) { (*current_saver)(FALSE); cur_console->start = 0; cur_console->end = cur_console->xsize * cur_console->ysize; } } 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_color & 0x0f00)>>8; ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; ptr->mv_rev.back = (scp->term.rev_color & 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 CONS_GETVERS: /* get version number */ *(int*)data = 0x200; /* version 2.0 */ return 0; /* VGA TEXT MODES */ case SW_VGA_C40x25: case SW_VGA_C80x25: case SW_VGA_M80x25: case SW_VGA_C80x30: case SW_VGA_M80x30: case SW_VGA_C80x50: case SW_VGA_M80x50: case SW_VGA_C80x60: case SW_VGA_M80x60: 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 || video_mode_ptr == NULL) return ENXIO; switch (cmd & 0xff) { case M_VGA_C80x60: case M_VGA_M80x60: if (!(fonts_loaded & FONT_8)) return EINVAL; scp->xsize = 80; scp->ysize = 60; break; case M_VGA_C80x50: case M_VGA_M80x50: if (!(fonts_loaded & FONT_8)) return EINVAL; scp->xsize = 80; scp->ysize = 50; break; case M_ENH_B80x43: case M_ENH_C80x43: if (!(fonts_loaded & FONT_8)) return EINVAL; scp->xsize = 80; scp->ysize = 43; break; case M_VGA_C80x30: case M_VGA_M80x30: scp->xsize = 80; scp->ysize = 30; break; default: if ((cmd & 0xff) > M_VGA_CG320) return EINVAL; else scp->xsize = *(video_mode_ptr+((cmd&0xff)*64)); scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1; break; } scp->mode = cmd & 0xff; scp->status &= ~UNKNOWN_MODE; free(scp->scr_buf, M_DEVBUF); scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); free(cut_buffer, M_DEVBUF); cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); cut_buffer[0] = 0x00; if (scp == cur_console) set_mode(scp); 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_BG640: case SW_CG320: 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: if (!crtc_vga || video_mode_ptr == NULL) return ENXIO; scp->mode = cmd & 0xFF; scp->status |= UNKNOWN_MODE; /* graphics mode */ scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8; scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) * (*(video_mode_ptr + (scp->mode*64) + 2)); set_mode(scp); /* clear_graphics();*/ if (tp->t_winsize.ws_xpixel != scp->xsize || tp->t_winsize.ws_ypixel != scp->ysize) { tp->t_winsize.ws_xpixel = scp->xsize; tp->t_winsize.ws_ypixel = scp->ysize; pgsignal(tp->t_pgrp, SIGWINCH, 1); } return 0; 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 = FALSE; 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 = FALSE; 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 = FALSE; return 0; } return EINVAL; default: return EINVAL; } /* NOT REACHED */ case VT_OPENQRY: /* return free virtual console */ for (i = 0; i < MAXCONS; 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(scp, (*data) - 1); case VT_WAITACTIVE: /* wait for switch to occur */ if (*data > MAXCONS || *data < 0) return EINVAL; if (minor(dev) == (*data) - 1) return 0; if (*data == 0) { if (scp == cur_console) return 0; } else scp = console[(*data) - 1]; while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; return error; case VT_GETACTIVE: *data = get_scr_num()+1; return 0; case KDENABIO: /* allow io operations */ error = suser(p->p_ucred, &p->p_acflag); if (error != 0) return error; 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_8) copy_font(LOAD, FONT_8, font_8); if (fonts_loaded & FONT_14) copy_font(LOAD, FONT_14, font_14); if (fonts_loaded & FONT_16) copy_font(LOAD, FONT_16, font_16); if (configuration & CHAR_CURSOR) set_destructive_cursor(scp, TRUE); load_palette(); } /* FALL THROUGH */ case KD_TEXT1: /* switch to TEXT (known) mode */ /* no restore fonts & palette */ scp->status &= ~UNKNOWN_MODE; if (crtc_vga && video_mode_ptr) 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 (*(int*)data) do_bell(scp, (*(int*)data)&0xffff, (((*(int*)data)>>16)&0xffff)*hz/1000); else do_bell(scp, 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; copy_font(LOAD, FONT_8, font_8); if (configuration & CHAR_CURSOR) set_destructive_cursor(scp, TRUE); return 0; case GIO_FONT8x8: /* get 8x8 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_8) { 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; copy_font(LOAD, FONT_14, font_14); if (configuration & CHAR_CURSOR) set_destructive_cursor(scp, TRUE); return 0; case GIO_FONT8x14: /* get 8x14 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_14) { 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; copy_font(LOAD, FONT_16, font_16); if (configuration & CHAR_CURSOR) set_destructive_cursor(scp, TRUE); return 0; case GIO_FONT8x16: /* get 8x16 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_16) { bcopy(font_16, data, 16*256); return 0; } else return ENXIO; 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); } static void scstart(struct tty *tp) { struct clist *rbp; int s, len; u_char buf[PCBURST]; scr_stat *scp = get_scr_stat(tp->t_dev); /* XXX who repeats the call when the above flags are cleared? */ if (scp->status & SLKED || blink_in_progress) return; s = spltty(); if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { tp->t_state |= TS_BUSY; rbp = &tp->t_outq; while (rbp->c_cc) { len = q_to_b(rbp, buf, PCBURST); splx(s); ansi_put(scp, buf, len); s = spltty(); } tp->t_state &= ~TS_BUSY; ttwwakeup(tp); } splx(s); } void sccnprobe(struct consdev *cp) { struct isa_device *dvp; /* * Take control if we are the highest priority enabled display device. */ dvp = find_display(); if (dvp != NULL && dvp->id_driver != &scdriver) { cp->cn_pri = CN_DEAD; return; } /* initialize required fields */ cp->cn_dev = makedev(CDEV_MAJOR, MAXCONS); cp->cn_pri = CN_INTERNAL; } void sccninit(struct consdev *cp) { scinit(); } void sccnputc(dev_t dev, int c) { u_char buf[1]; int s; scr_stat *scp = console[0]; term_stat save = scp->term; scp->term = kernel_console; current_default = &kernel_default; if (scp->scr_buf == Crtat) draw_cursor(scp, FALSE); buf[0] = c; ansi_put(scp, buf, 1); kernel_console = scp->term; current_default = &user_default; scp->term = save; s = splclock(); if (scp == cur_console) { if (scp->scr_buf != Crtat && (scp->start <= scp->end)) { bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, (1 + scp->end - scp->start) * sizeof(u_short)); scp->start = scp->xsize * scp->ysize; scp->end = 0; scp->status &= ~CURSOR_SHOWN; } draw_cursor(scp, TRUE); } splx(s); } int sccngetc(dev_t dev) { int s = spltty(); /* block scintr while we poll */ int c = scgetc(0); splx(s); return(c); } int sccncheckc(dev_t dev) { return (scgetc(1) & 0xff); } static void scrn_timer() { static int cursor_blinkrate; static int last_mouse_x = -1, last_mouse_y = -1; scr_stat *scp = cur_console; /* should we just return ? */ if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { timeout((timeout_func_t)scrn_timer, 0, hz/10); return; } if (!scrn_blanked) { /* update screen image */ if (scp->start <= scp->end) { bcopyw(scp->scr_buf + scp->start, Crtat + scp->start, (1 + scp->end - scp->start) * sizeof(u_short)); scp->status &= ~CURSOR_SHOWN; scp->start = scp->xsize * scp->ysize; scp->end = 0; last_mouse_x = last_mouse_y = -1; } /* update "pseudo" mouse arrow */ if ((scp->status & MOUSE_ENABLED) && (scp->mouse_xpos!=last_mouse_x || scp->mouse_xpos!=last_mouse_x)) { last_mouse_x = scp->mouse_xpos; last_mouse_y = scp->mouse_ypos; draw_mouse_image(scp); } /* update cursor image */ if (scp->status & CURSOR_ENABLED) draw_cursor(scp, !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04)); } if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time)) (*current_saver)(TRUE); timeout((timeout_func_t)scrn_timer, 0, hz/25); } static void clear_screen(scr_stat *scp) { move_crsr(scp, 0, 0); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize * scp->ysize); mark_all(scp); } static int switch_scr(scr_stat *scp, u_int next_scr) { if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) switch_in_progress = FALSE; if (next_scr >= MAXCONS || switch_in_progress || (cur_console->smode.mode == VT_AUTO && cur_console->status & UNKNOWN_MODE)) { do_bell(scp, 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)) { do_bell(scp, BELL_PITCH, BELL_DURATION); return EINVAL; } } /* delay switch if actively updating screen */ if (write_in_progress || blink_in_progress) { delayed_next_scr = next_scr+1; return 0; } switch_in_progress = TRUE; old_scp = cur_console; new_scp = console[next_scr]; wakeup((caddr_t)&new_scp->smode); if (new_scp == old_scp) { switch_in_progress = FALSE; delayed_next_scr = FALSE; 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 = FALSE; } return 0; } static void exchange_scr(void) { move_crsr(old_scp, old_scp->xpos, old_scp->ypos); cur_console = new_scp; if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ if (crtc_vga && video_mode_ptr) set_mode(new_scp); } move_crsr(new_scp, new_scp->xpos, new_scp->ypos); if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) { if (fonts_loaded & FONT_8) copy_font(LOAD, FONT_8, font_8); if (fonts_loaded & FONT_14) copy_font(LOAD, FONT_14, font_14); if (fonts_loaded & FONT_16) copy_font(LOAD, FONT_16, font_16); if (configuration & CHAR_CURSOR) set_destructive_cursor(new_scp, TRUE); load_palette(); } if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) shfts = ctls = alts = agrs = metas = 0; update_leds(new_scp->status); delayed_next_scr = FALSE; mark_all(new_scp); } 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 { bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize, (scp->ysize - 1) * scp->xsize * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize); mark_all(scp); } 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': /* Cursor move */ case 'H': 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_color | scr_map[0x20], scp->cursor_pos, scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->xsize * scp->ysize); break; case 1: /* clear from beginning of display to cursor */ fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, 0); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); 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_color | scr_map[0x20], scp->cursor_pos, scp->xsize - scp->xpos); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + scp->xsize - scp->xpos); break; case 1: /* clear from beginning of line to cursor */ fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos - scp->xpos, scp->xpos + 1); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); break; case 2: /* clear entire line */ fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos - scp->xpos, scp->xsize); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, (scp->ypos + 1) * 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->scr_buf + scp->ypos * scp->xsize; dst = src + n * scp->xsize; count = scp->ysize - (scp->ypos + n); bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], src, n * scp->xsize); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, scp->xsize * scp->ysize); 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->scr_buf + scp->ypos * scp->xsize; src = dst + n * scp->xsize; count = scp->ysize - (scp->ypos + n); bcopyw(src, dst, count * scp->xsize * sizeof(u_short)); src = dst + count * scp->xsize; fillw(scp->term.cur_color | scr_map[0x20], src, n * scp->xsize); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, scp->xsize * scp->ysize); 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->cursor_pos; src = dst + n; count = scp->xsize - (scp->xpos + n); bcopyw(src, dst, count * sizeof(u_short)); src = dst + count; fillw(scp->term.cur_color | scr_map[0x20], src, n); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); 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->cursor_pos; dst = src + n; count = scp->xsize - (scp->xpos + n); bcopyw(src, dst, count * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], src, n); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); break; case 'S': /* scroll up n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize) n = scp->ysize; bcopyw(scp->scr_buf + (scp->xsize * n), scp->scr_buf, scp->xsize * (scp->ysize - n) * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf + scp->xsize * (scp->ysize - n), scp->xsize * n); mark_all(scp); break; case 'T': /* scroll down n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize) n = scp->ysize; bcopyw(scp->scr_buf, scp->scr_buf + (scp->xsize * n), scp->xsize * (scp->ysize - n) * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize * n); mark_all(scp); break; case 'X': /* erase 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_color | scr_map[0x20], scp->cursor_pos, n); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + 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 - 1, 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 - 1); 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.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color; break; } for (i = 0; i < scp->term.num_param; i++) { switch (n = scp->term.param[i]) { case 0: /* back to normal */ scp->term.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color; break; case 1: /* bold */ scp->term.attr_mask |= BOLD_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 4: /* underline */ scp->term.attr_mask |= UNDERLINE_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 5: /* blink */ scp->term.attr_mask |= BLINK_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 7: /* reverse video */ scp->term.attr_mask |= REVERSE_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 30: case 31: /* set fg color */ case 32: case 33: case 34: case 35: case 36: case 37: scp->term.attr_mask |= FOREGROUND_CHANGED; scp->term.cur_color = (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); scp->term.cur_attr = mask2attr(&scp->term); break; case 40: case 41: /* set bg color */ case 42: case 43: case 44: case 45: case 46: case 47: scp->term.attr_mask |= BACKGROUND_CHANGED; scp->term.cur_color = (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); scp->term.cur_attr = mask2attr(&scp->term); 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.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color = current_default->std_color; scp->term.rev_color = current_default->rev_color; break; case 1: /* set ansi background */ scp->term.attr_mask &= ~BACKGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0x0F00) | (ansi_col[(scp->term.param[1])&0x0F]<<12); scp->term.cur_attr = mask2attr(&scp->term); break; case 2: /* set ansi foreground */ scp->term.attr_mask &= ~FOREGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0xF000) | (ansi_col[(scp->term.param[1])&0x0F]<<8); scp->term.cur_attr = mask2attr(&scp->term); break; case 3: /* set ansi attribute directly */ scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); scp->term.cur_color = scp->term.std_color = (scp->term.param[1]&0xFF)<<8; scp->term.cur_attr = mask2attr(&scp->term); break; case 5: /* set ansi reverse video background */ scp->term.rev_color = (scp->term.rev_color & 0x0F00) | (ansi_col[(scp->term.param[1])&0x0F]<<12); scp->term.cur_attr = mask2attr(&scp->term); break; case 6: /* set ansi reverse video foreground */ scp->term.rev_color = (scp->term.rev_color & 0xF000) | (ansi_col[(scp->term.param[1])&0x0F]<<8); scp->term.cur_attr = mask2attr(&scp->term); break; case 7: /* set ansi reverse video directly */ scp->term.rev_color = (scp->term.param[1]&0xFF)<<8; scp->term.cur_attr = mask2attr(&scp->term); break; } break; case 'z': /* switch to (virtual) console n */ if (scp->term.num_param == 1) switch_scr(scp, 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 type & shape */ if (scp->term.num_param == 1) { if (scp->term.param[0] & 0x01) configuration |= BLINK_CURSOR; else configuration &= ~BLINK_CURSOR; if (scp->term.param[0] & 0x02) { configuration |= CHAR_CURSOR; set_destructive_cursor(scp, TRUE); } else configuration &= ~CHAR_CURSOR; } else if (scp->term.num_param == 2) { scp->cursor_start = scp->term.param[0] & 0x1F; scp->cursor_end = scp->term.param[1] & 0x1F; if (configuration & CHAR_CURSOR) set_destructive_cursor(scp, TRUE); } break; case 'F': /* set ansi foreground */ if (scp->term.num_param == 1) { scp->term.attr_mask &= ~FOREGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0xF000) | ((scp->term.param[0] & 0x0F) << 8); scp->term.cur_attr = mask2attr(&scp->term); } break; case 'G': /* set ansi background */ if (scp->term.num_param == 1) { scp->term.attr_mask &= ~BACKGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0x0F00) | ((scp->term.param[0] & 0x0F) << 12); scp->term.cur_attr = mask2attr(&scp->term); } break; case 'H': /* set ansi reverse video foreground */ if (scp->term.num_param == 1) { scp->term.rev_color = (scp->term.rev_color & 0xF000) | ((scp->term.param[0] & 0x0F) << 8); scp->term.cur_attr = mask2attr(&scp->term); } break; case 'I': /* set ansi reverse video background */ if (scp->term.num_param == 1) { scp->term.rev_color = (scp->term.rev_color & 0x0F00) | ((scp->term.param[0] & 0x0F) << 12); scp->term.cur_attr = mask2attr(&scp->term); } break; } } scp->term.esc = 0; } static void ansi_put(scr_stat *scp, u_char *buf, int len) { u_char *ptr = buf; if (scp->status & UNKNOWN_MODE) return; /* make screensaver happy */ if (scp == cur_console) { scrn_time_stamp = time.tv_sec; if (scrn_blanked) { (*current_saver)(FALSE); cur_console->start = 0; cur_console->end = cur_console->xsize * cur_console->ysize; } } write_in_progress++; outloop: if (scp->term.esc) { scan_esc(scp, *ptr++); len--; } else if (PRINTABLE(*ptr)) { /* Print only printables */ int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); u_short cur_attr = scp->term.cur_attr; u_short *cursor_pos = scp->cursor_pos; do { /* * gcc-2.6.3 generates poor (un)sign extension code. Casting the * pointers in the following to volatile should have no effect, * but in fact speeds up this inner loop from 26 to 18 cycles * (+ cache misses) on i486's. */ #define UCVP(ucp) ((u_char volatile *)(ucp)) *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; ptr++; cnt--; } while (cnt && PRINTABLE(*ptr)); len -= (cursor_pos - scp->cursor_pos); scp->xpos += (cursor_pos - scp->cursor_pos); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, cursor_pos - scp->scr_buf); scp->cursor_pos = cursor_pos; if (scp->xpos >= scp->xsize) { scp->xpos = 0; scp->ypos++; } } else { switch(*ptr) { case 0x07: do_bell(scp, scp->bell_pitch, scp->bell_duration); break; case 0x08: /* non-destructive backspace */ if (scp->cursor_pos > scp->scr_buf) { mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos--; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); if (scp->xpos > 0) scp->xpos--; else { scp->xpos += scp->xsize - 1; scp->ypos--; } } break; case 0x09: /* non-destructive tab */ mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos += (8 - scp->xpos % 8u); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { scp->xpos = 0; scp->ypos++; } break; case 0x0a: /* newline, same pos */ mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos += scp->xsize; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->ypos++; break; case 0x0c: /* form feed, clears screen */ clear_screen(scp); break; case 0x0d: /* return, return to pos 0 */ mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos -= scp->xpos; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->xpos = 0; break; case 0x1b: /* start escape sequence */ scp->term.esc = 1; scp->term.num_param = 0; break; } ptr++; len--; } /* do we have to scroll ?? */ if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { reverse_mouse_cut(scp, 0); scp->mouse_cut_start = scp->mouse_cut_end = NULL; scp->status &= ~MOUSE_CUTTING; if (scp->history) { bcopyw(scp->scr_buf, scp->history_head, scp->xsize * sizeof(u_short)); scp->history_head += scp->xsize; if (scp->history_head + scp->xsize > scp->history + scp->history_size) scp->history_head = scp->history; } bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf, scp->xsize * (scp->ysize - 1) * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf + scp->xsize * (scp->ysize - 1), scp->xsize); scp->cursor_pos -= scp->xsize; scp->ypos--; mark_all(scp); } if (len) goto outloop; write_in_progress--; if (delayed_next_scr) switch_scr(scp, delayed_next_scr - 1); } static void scinit(void) { u_short volatile *cp; u_short was; unsigned hw_cursor; int i; if (init_done) return; init_done = TRUE; /* * Finish defaulting crtc variables for a mono screen. Crtat is a * bogus common variable so that it can be shared with pcvt, so it * can't be statically initialized. XXX. */ Crtat = (u_short *)MONO_BUF; /* * If CGA memory seems to work, switch to color. */ cp = (u_short *)CGA_BUF; was = *cp; *cp = (u_short) 0xA55A; if (*cp == 0xA55A) { Crtat = (u_short *)cp; crtc_addr = COLOR_BASE; } *cp = was; /* * Ensure a zero start address. This is mainly to recover after * switching from pcvt using userconfig(). The registers are w/o * for old hardware so it's too hard to relocate the active screen * memory. */ outb(crtc_addr, 12); outb(crtc_addr + 1, 0); outb(crtc_addr, 13); outb(crtc_addr + 1, 0); /* extract cursor location */ outb(crtc_addr, 14); hw_cursor = inb(crtc_addr + 1) << 8; outb(crtc_addr, 15); hw_cursor |= inb(crtc_addr + 1); /* move hardware cursor out of the way */ outb(crtc_addr, 14); outb(crtc_addr + 1, 0xff); outb(crtc_addr, 15); outb(crtc_addr + 1, 0xff); /* is this a VGA or higher ? */ outb(crtc_addr, 7); if (inb(crtc_addr) == 7) { u_long pa; u_long segoff; crtc_vga = TRUE; /* * Get the BIOS video mode pointer. */ segoff = *(u_long *)pa_to_va(0x4a8); pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); if (ISMAPPED(pa, sizeof(u_long))) { segoff = *(u_long *)pa_to_va(pa); pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); if (ISMAPPED(pa, 64)) video_mode_ptr = (char *)pa_to_va(pa); } } current_default = &user_default; console[0] = &main_console; init_scp(console[0]); console[0]->scr_buf = console[0]->mouse_pos = Crtat; console[0]->cursor_pos = Crtat + hw_cursor; console[0]->xpos = hw_cursor % COL; console[0]->ypos = hw_cursor / COL; cur_console = console[0]; for (i=1; iscr_buf = scp->cursor_pos = scp->mouse_pos = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); scp->history_head = scp->history_pos = scp->history = (u_short *)malloc(scp->history_size*sizeof(u_short), M_DEVBUF, M_WAITOK); bzero(scp->history_head, scp->history_size*sizeof(u_short)); if (crtc_vga && video_mode_ptr) set_mode(scp); clear_screen(scp); return scp; } static void init_scp(scr_stat *scp) { scp->mode = M_VGA_C80x25; scp->font_size = FONT_16; scp->xsize = COL; scp->ysize = ROW; scp->start = COL * ROW; scp->end = 0; scp->term.esc = 0; scp->term.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color = current_default->std_color; scp->term.rev_color = current_default->rev_color; scp->border = BG_BLACK; scp->cursor_start = *(char *)pa_to_va(0x461); scp->cursor_end = *(char *)pa_to_va(0x460); scp->mouse_xpos = scp->mouse_ypos = 0; scp->mouse_cut_start = scp->mouse_cut_end = NULL; scp->mouse_signal = 0; scp->mouse_pid = 0; scp->mouse_proc = NULL; scp->bell_pitch = BELL_PITCH; scp->bell_duration = BELL_DURATION; scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; scp->status |= CURSOR_ENABLED; scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; scp->history_head = scp->history_pos = scp->history = NULL; scp->history_size = HISTORY_SIZE; } 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); } static void history_to_screen(scr_stat *scp) { int i; for (i=0; iysize; i++) bcopyw(scp->history + (((scp->history_pos - scp->history) + scp->history_size-((i+1)*scp->xsize))%scp->history_size), scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), scp->xsize * sizeof(u_short)); mark_all(scp); } static int history_up_line(scr_stat *scp) { if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != scp->history_head) { scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); history_to_screen(scp); return 0; } else return -1; } static int history_down_line(scr_stat *scp) { if (scp->history_pos != scp->history_head) { scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); history_to_screen(scp); return 0; } else return -1; } /* * 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; add_keyboard_randomness(scancode); if (cur_console->status & KBD_RAW_MODE) return scancode; 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) { do_bell(cur_console, 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; /* the following 3 are only used on the MS "Natural" keyboard */ case 0x5b: /* left Window key */ keycode = 0x69; break; case 0x5c: /* right Window key */ keycode = 0x6a; break; case 0x5d: /* menu key */ keycode = 0x6b; 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 scroll-lock pressed allow history browsing */ if (cur_console->history && cur_console->status & SLKED) { int i; cur_console->status &= ~CURSOR_ENABLED; if (!(cur_console->status & BUFFER_SAVED)) { cur_console->status |= BUFFER_SAVED; cur_console->history_save = cur_console->history_head; /* copy screen into top of history buffer */ for (i=0; iysize; i++) { bcopyw(cur_console->scr_buf + (cur_console->xsize * i), cur_console->history_head, cur_console->xsize * sizeof(u_short)); cur_console->history_head += cur_console->xsize; if (cur_console->history_head + cur_console->xsize > cur_console->history + cur_console->history_size) cur_console->history_head=cur_console->history; } cur_console->history_pos = cur_console->history_head; history_to_screen(cur_console); } switch (scancode) { case 0x47: /* home key */ cur_console->history_pos = cur_console->history_head; history_to_screen(cur_console); goto next_code; case 0x4F: /* end key */ cur_console->history_pos = WRAPHIST(cur_console, cur_console->history_head, cur_console->xsize*cur_console->ysize); history_to_screen(cur_console); goto next_code; case 0x48: /* up arrow key */ if (history_up_line(cur_console)) do_bell(cur_console, BELL_PITCH, BELL_DURATION); goto next_code; case 0x50: /* down arrow key */ if (history_down_line(cur_console)) do_bell(cur_console, BELL_PITCH, BELL_DURATION); goto next_code; case 0x49: /* page up key */ for (i=0; iysize; i++) if (history_up_line(cur_console)) { do_bell(cur_console, BELL_PITCH, BELL_DURATION); break; } goto next_code; case 0x51: /* page down key */ for (i=0; iysize; i++) if (history_down_line(cur_console)) { do_bell(cur_console, BELL_PITCH, BELL_DURATION); break; } goto next_code; } } 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; do_bell(cur_console, 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; if (cur_console->status & BUFFER_SAVED){ int i; u_short *ptr = cur_console->history_save; for (i=0; iysize; i++) { bcopyw(ptr, cur_console->scr_buf + (cur_console->xsize*i), cur_console->xsize * sizeof(u_short)); ptr += cur_console->xsize; if (ptr + cur_console->xsize > cur_console->history + cur_console->history_size) ptr = cur_console->history; } cur_console->status &= ~BUFFER_SAVED; cur_console->history_head=cur_console->history_save; cur_console->status |= CURSOR_ENABLED; mark_all(cur_console); } scstart(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 SUSP: #if NAPM > 0 apm_suspend(); #endif 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(cur_console, 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(cur_console, (get_scr_num() + 1) % MAXCONS); break; case BTAB: return(BKEY); default: if (action >= F_SCR && action <= L_SCR) { switch_scr(cur_console, 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 scmmap(dev_t dev, int offset, int nprot) { if (offset > 0x20000 - PAGE_SIZE) return -1; return i386_btop((VIDEOMEM + offset)); } static void kbd_wait(void) { int i = 500; while (i--) { if ((inb(KB_STAT) & KB_READY) == 0) break; DELAY (25); } } static void kbd_cmd(u_char command) { int i, retry = 5; do { kbd_wait(); outb(KB_DATA, command); i = 50000; while (i--) { if (inb(KB_STAT) & KB_BUF_FULL) { int val; DELAY(25); val = inb(KB_DATA); if (val == KB_ACK) return; if (val == KB_RESEND) break; } } } while (retry--); } static void set_mode(scr_stat *scp) { char *modetable; char special_modetable[64]; int font_size; if (scp != cur_console) return; /* setup video hardware for the given mode */ switch (scp->mode) { case M_VGA_M80x60: bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); goto special_80x60; case M_VGA_C80x60: bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); special_80x60: special_modetable[2] = 0x08; special_modetable[19] = 0x47; goto special_480l; case M_VGA_M80x30: bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); goto special_80x30; case M_VGA_C80x30: bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); special_80x30: special_modetable[19] = 0x4f; special_480l: special_modetable[9] |= 0xc0; special_modetable[16] = 0x08; special_modetable[17] = 0x3e; special_modetable[26] = 0xea; special_modetable[28] = 0xdf; special_modetable[31] = 0xe7; special_modetable[32] = 0x04; modetable = special_modetable; goto setup_mode; case M_ENH_B80x43: bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64); goto special_80x43; case M_ENH_C80x43: bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64); special_80x43: special_modetable[28] = 87; goto special_80x50; case M_VGA_M80x50: bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64); goto special_80x50; case M_VGA_C80x50: bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64); special_80x50: special_modetable[2] = 8; special_modetable[19] = 7; modetable = special_modetable; goto setup_mode; case M_VGA_C40x25: case M_VGA_C80x25: 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 = video_mode_ptr + (scp->mode * 64); setup_mode: set_vgaregs(modetable); font_size = *(modetable + 2); /* set font type (size) */ switch (font_size) { case 0x10: outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ scp->font_size = FONT_16; break; case 0x0E: outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ scp->font_size = FONT_14; break; default: case 0x08: outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ scp->font_size = FONT_8; break; } if (configuration & CHAR_CURSOR) set_destructive_cursor(scp, TRUE); 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)); scp->font_size = FONT_NONE; break; default: /* call user defined function XXX */ break; } /* set border color for this (virtual) console */ set_border(scp->border); return; } 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); if (i == 14 || i == 15) /* no hardware cursor */ outb(crtc_addr+1, 0xff); else 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 set_font_mode() { /* setup vga for loading fonts (graphics plane mode) */ inb(crtc_addr+6); outb(ATC, 0x30); outb(ATC, 0x01); #if SLOW_VGA 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); #else outw(TSIDX, 0x0402); outw(TSIDX, 0x0604); outw(GDCIDX, 0x0204); outw(GDCIDX, 0x0005); outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ #endif } static void set_normal_mode() { int s = splhigh(); /* setup vga for normal operation mode again */ inb(crtc_addr+6); outb(ATC, 0x30); outb(ATC, 0x0C); #if SLOW_VGA 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 */ } #else outw(TSIDX, 0x0302); outw(TSIDX, 0x0204); outw(GDCIDX, 0x0004); outw(GDCIDX, 0x1005); if (crtc_addr == MONO_BASE) outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */ else outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */ #endif splx(s); } static void copy_font(int operation, int font_type, char* font_image) { int ch, line, segment, fontsize; u_char val; switch (font_type) { default: case FONT_8: segment = 0x8000; fontsize = 8; break; case FONT_14: segment = 0x4000; fontsize = 14; break; case FONT_16: segment = 0x0000; fontsize = 16; break; } outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ outb(TSIDX, 0x01); outb(TSREG, val | 0x20); set_font_mode(); for (ch=0; ch < 256; ch++) for (line=0; line < fontsize; line++) if (operation) *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = font_image[(ch*fontsize)+line]; else font_image[(ch*fontsize)+line] = *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); set_normal_mode(); outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ } static void set_destructive_cursor(scr_stat *scp, int force) { u_char cursor[32]; caddr_t address; int i; char *font_buffer; static u_char old_saveunder = DEAD_CHAR; u_short new_saveunder; if (!force && !(scp->status & MOUSE_ENABLED) && (scp->cursor_saveunder & 0xFF) == old_saveunder) return; old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF; new_saveunder = scp->cursor_saveunder; switch (scp->font_size) { default: case FONT_8: font_buffer = font_8; address = (caddr_t)VIDEOMEM + 0x8000; break; case FONT_14: font_buffer = font_14; address = (caddr_t)VIDEOMEM + 0x4000; break; case FONT_16: font_buffer = font_16; address = (caddr_t)VIDEOMEM; break; } if (scp->status & MOUSE_ENABLED) { if ((scp->cursor_saveunder & 0xff) == 0xd0) bcopyw(&scp->mouse_cursor[0], cursor, scp->font_size); else if ((scp->cursor_saveunder & 0xff) == 0xd1) bcopyw(&scp->mouse_cursor[32], cursor, scp->font_size); else if ((scp->cursor_saveunder & 0xff) == 0xd2) bcopyw(&scp->mouse_cursor[64], cursor, scp->font_size); else if ((scp->cursor_saveunder & 0xff) == 0xd3) bcopyw(&scp->mouse_cursor[96], cursor, scp->font_size); else bcopyw(font_buffer + ((scp->cursor_saveunder&0xff)*scp->font_size), cursor, scp->font_size); } else bcopyw(font_buffer + ((scp->cursor_saveunder&0xff) * scp->font_size), cursor, scp->font_size); for (i=0; i<32; i++) if ((i >= scp->cursor_start && i <= scp->cursor_end) || (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) cursor[i] |= 0xff; while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; set_font_mode(); bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); set_normal_mode(); } static void set_mouse_pos(scr_stat *scp) { /* * the margins imposed here are not ideal, we loose * a couble of pixels on the borders.. */ if (scp->mouse_xpos < 0) scp->mouse_xpos = 0; if (scp->mouse_ypos < 0) scp->mouse_ypos = 0; if (scp->mouse_xpos > (scp->xsize*8)-2) scp->mouse_xpos = (scp->xsize*8)-2; if (scp->mouse_ypos > (scp->ysize*scp->font_size)-2) scp->mouse_ypos = (scp->ysize*scp->font_size)-2; if (scp->status & UNKNOWN_MODE) return; scp->mouse_pos = scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); if ((scp->status & MOUSE_ENABLED) && (scp->status & MOUSE_CUTTING)) { int s = splclock(); reverse_mouse_cut(scp, 0); scp->mouse_cut_end = scp->mouse_pos; reverse_mouse_cut(scp, 1); mark_all(scp); splx(s); } } static void reverse_mouse_cut(scr_stat *scp, int cut) { ushort *ptr; int i = 0; if (scp->mouse_cut_start != NULL && scp->mouse_cut_end != NULL) { for (ptr = (scp->mouse_cut_start > scp->mouse_cut_end ? scp->mouse_cut_end : scp->mouse_cut_start); ptr <= (scp->mouse_cut_start > scp->mouse_cut_end ? scp->mouse_cut_start : scp->mouse_cut_end); ptr++) { *ptr = (*ptr & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; if (cut) { cut_buffer[i++] = *ptr & 0xff; if (((ptr - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { cut_buffer[i++] = '\n'; } } } if (cut) cut_buffer[i] = 0x00; } } static void mouse_cut_start(scr_stat *scp) { int i; if (scp->status & MOUSE_ENABLED) { reverse_mouse_cut(scp, 0); if (scp->mouse_pos == scp->mouse_cut_start && scp->mouse_cut_start == scp->mouse_cut_end) { scp->mouse_cut_end = NULL; cut_buffer[0] = 0x00; scp->status &= ~MOUSE_CUTTING; mark_all(scp); } else { scp->mouse_cut_start = scp->mouse_cut_end = scp->mouse_pos; *scp->mouse_cut_start = (*scp->mouse_cut_start & 0x88ff) | (*scp->mouse_cut_start & 0x7000) >> 4 | (*scp->mouse_cut_start & 0x0700) << 4; cut_buffer[0] = *scp->mouse_cut_start & 0xff; cut_buffer[1] = 0x00; scp->status |= MOUSE_CUTTING; mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); set_mouse_pos(scp); } /* delete all other screens cut markings */ for (i=0; istatus &= ~MOUSE_CUTTING; console[i]->mouse_cut_start = console[i]->mouse_cut_end = NULL; } } } static void mouse_cut_end(scr_stat *scp) { if (scp->status & MOUSE_ENABLED) { scp->status &= ~MOUSE_CUTTING; } } static void mouse_paste(scr_stat *scp) { if (scp->status & MOUSE_ENABLED) { struct tty *tp; u_char *ptr = cut_buffer; tp = VIRTUAL_TTY(get_scr_num()); while (*ptr) (*linesw[tp->t_line].l_rint)(*ptr++, tp); } } static void draw_mouse_image(scr_stat *scp) { caddr_t address; int i; char *font_buffer; u_short buffer[32]; u_short xoffset, yoffset; u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat); int font_size = scp->font_size; xoffset = scp->mouse_xpos % 8; switch (font_size) { default: case FONT_8: font_buffer = font_8; yoffset = scp->mouse_ypos % 8; address = (caddr_t)VIDEOMEM + 0x8000; break; case FONT_14: font_buffer = font_14; yoffset = scp->mouse_ypos % 14; address = (caddr_t)VIDEOMEM + 0x4000; break; case FONT_16: font_buffer = font_16; yoffset = scp->mouse_ypos % 16; address = (caddr_t)VIDEOMEM; break; } bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), &scp->mouse_cursor[0], font_size); bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), &scp->mouse_cursor[32], font_size); bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), &scp->mouse_cursor[64], font_size); bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), &scp->mouse_cursor[96], font_size); for (i=0; imouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; } for (i=0; i<16; i++) { buffer[i+yoffset] = ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) | (mouse_or_mask[i] >> xoffset); } for (i=0; imouse_cursor[i] = (buffer[i] & 0xff00) >> 8; scp->mouse_cursor[i+32] = buffer[i] & 0xff; scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; } if (crt_pos != scp->mouse_oldpos) { *(scp->mouse_oldpos) = scp->mouse_saveunder[0]; *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1]; *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2]; *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3]; } scp->mouse_saveunder[0] = *(scp->mouse_pos); scp->mouse_saveunder[1] = *(scp->mouse_pos+1); scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize); scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1); if ((scp->cursor_pos == (ptr)) || (scp->cursor_pos == (ptr+1)) || (scp->cursor_pos == (ptr+scp->xsize)) || (scp->cursor_pos == (ptr+scp->xsize+1)) || (scp->cursor_pos == (scp->mouse_pos)) || (scp->cursor_pos == (scp->mouse_pos+1)) || (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) || (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1))) scp->status &= ~CURSOR_SHOWN; scp->mouse_oldpos = crt_pos; while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; set_font_mode(); bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); set_normal_mode(); *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; if (scp->mouse_xpos < (scp->xsize-1)*8) { *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; } } 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 */ } 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 do_bell(scr_stat *scp, int pitch, int duration) { if (configuration & VISUAL_BELL) { if (blink_in_progress) return; blink_in_progress = 4; if (scp != cur_console) blink_in_progress += 2; blink_screen(cur_console); timeout((timeout_func_t)blink_screen, cur_console, hz/10); } else { if (scp != cur_console) pitch *= 2; sysbeep(pitch, duration); } } static void blink_screen(scr_stat *scp) { if (blink_in_progress > 1) { if (blink_in_progress & 1) fillw(kernel_default.std_color | scr_map[0x20], Crtat, scp->xsize * scp->ysize); else fillw(kernel_default.rev_color | scr_map[0x20], Crtat, scp->xsize * scp->ysize); blink_in_progress--; timeout((timeout_func_t)blink_screen, scp, hz/10); } else { blink_in_progress = FALSE; mark_all(scp); if (delayed_next_scr) switch_scr(scp, delayed_next_scr - 1); } } #endif /* NSC */