/*- * Copyright (c) 1992-1998 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, * without modification, immediately at the beginning of the file. * 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 without 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. * * $FreeBSD$ */ #include "opt_syscons.h" #include "opt_splash.h" #include "opt_ddb.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __i386__ #include #include #include #endif #include #include #include #include #define COLD 0 #define WARM 1 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ typedef struct default_attr { int std_color; /* normal hardware color */ int rev_color; /* reverse hardware color */ } default_attr; static default_attr user_default = { SC_NORM_ATTR, SC_NORM_REV_ATTR, }; static default_attr kernel_default = { SC_KERNEL_CONS_ATTR, SC_KERNEL_CONS_REV_ATTR, }; static int sc_console_unit = -1; static int sc_saver_keyb_only = 1; static scr_stat *sc_console; static struct tty *sc_console_tty; static void *kernel_console_ts; static char init_done = COLD; static char shutdown_in_progress = FALSE; static char sc_malloc = FALSE; static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ static int run_scrn_saver = FALSE; /* should run the saver? */ static int enable_bell = TRUE; /* enable beeper */ static long scrn_blank_time = 0; /* screen saver timeout value */ #ifdef DEV_SPLASH static int scrn_blanked; /* # of blanked screen */ static int sticky_splash = FALSE; static void none_saver(sc_softc_t *sc, int blank) { } static void (*current_saver)(sc_softc_t *, int) = none_saver; #endif SYSCTL_NODE(_hw, OID_AUTO, syscons, CTLFLAG_RD, 0, "syscons"); SYSCTL_NODE(_hw_syscons, OID_AUTO, saver, CTLFLAG_RD, 0, "saver"); SYSCTL_INT(_hw_syscons_saver, OID_AUTO, keybonly, CTLFLAG_RW, &sc_saver_keyb_only, 0, "screen saver interrupted by input only"); SYSCTL_INT(_hw_syscons, OID_AUTO, bell, CTLFLAG_RW, &enable_bell, 0, "enable bell"); #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) #include "font.h" #endif d_ioctl_t *sc_user_ioctl; static bios_values_t bios_value; static int enable_panic_key; SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key, 0, ""); #define SC_CONSOLECTL 255 #define VIRTUAL_TTY(sc, x) (SC_DEV((sc), (x)) != NULL ? \ SC_DEV((sc), (x))->si_tty : NULL) #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN)) static int debugger; /* prototypes */ static int scvidprobe(int unit, int flags, int cons); static int sckbdprobe(int unit, int flags, int cons); static void scmeminit(void *arg); static int scdevtounit(dev_t dev); static kbd_callback_func_t sckbdevent; static int scparam(struct tty *tp, struct termios *t); static void scstart(struct tty *tp); static void scinit(int unit, int flags); #if __i386__ || __ia64__ || __amd64__ static void scterm(int unit, int flags); #endif static void scshutdown(void *arg, int howto); static u_int scgetc(sc_softc_t *sc, u_int flags); #define SCGETC_CN 1 #define SCGETC_NONBLOCK 2 static int sccngetch(int flags); static void sccnupdate(scr_stat *scp); static scr_stat *alloc_scp(sc_softc_t *sc, int vty); static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp); static timeout_t scrn_timer; static int and_region(int *s1, int *e1, int s2, int e2); static void scrn_update(scr_stat *scp, int show_cursor); #ifdef DEV_SPLASH static int scsplash_callback(int event, void *arg); static void scsplash_saver(sc_softc_t *sc, int show); static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)); static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)); static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border); static int restore_scrn_saver_mode(scr_stat *scp, int changemode); static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)); static int wait_scrn_saver_stop(sc_softc_t *sc); #define scsplash_stick(stick) (sticky_splash = (stick)) #else /* !DEV_SPLASH */ #define scsplash_stick(stick) #endif /* DEV_SPLASH */ static int do_switch_scr(sc_softc_t *sc, int s); static int vt_proc_alive(scr_stat *scp); static int signal_vt_rel(scr_stat *scp); static int signal_vt_acq(scr_stat *scp); static int finish_vt_rel(scr_stat *scp, int release, int *s); static int finish_vt_acq(scr_stat *scp); static void exchange_scr(sc_softc_t *sc); static void update_cursor_image(scr_stat *scp); static void change_cursor_shape(scr_stat *scp, int flags, int base, int height); static int save_kbd_state(scr_stat *scp); static int update_kbd_state(scr_stat *scp, int state, int mask); static int update_kbd_leds(scr_stat *scp, int which); static timeout_t blink_screen; #define CDEV_MAJOR 12 static cn_probe_t sccnprobe; static cn_init_t sccninit; static cn_getc_t sccngetc; static cn_checkc_t sccncheckc; static cn_putc_t sccnputc; static cn_dbctl_t sccndbctl; static cn_term_t sccnterm; #if __alpha__ void sccnattach(void); #endif CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc, sccndbctl); static d_open_t scopen; static d_close_t scclose; static d_read_t scread; static d_ioctl_t scioctl; static d_mmap_t scmmap; static struct cdevsw sc_cdevsw = { .d_open = scopen, .d_close = scclose, .d_read = scread, .d_write = ttywrite, .d_ioctl = scioctl, .d_poll = ttypoll, .d_mmap = scmmap, .d_name = "sc", .d_maj = CDEV_MAJOR, .d_flags = D_TTY, .d_kqfilter = ttykqfilter }; int sc_probe_unit(int unit, int flags) { if (!scvidprobe(unit, flags, FALSE)) { if (bootverbose) printf("sc%d: no video adapter found.\n", unit); return ENXIO; } /* syscons will be attached even when there is no keyboard */ sckbdprobe(unit, flags, FALSE); return 0; } /* probe video adapters, return TRUE if found */ static int scvidprobe(int unit, int flags, int cons) { /* * Access the video adapter driver through the back door! * Video adapter drivers need to be configured before syscons. * However, when syscons is being probed as the low-level console, * they have not been initialized yet. We force them to initialize * themselves here. XXX */ vid_configure(cons ? VIO_PROBE_ONLY : 0); return (vid_find_adapter("*", unit) >= 0); } /* probe the keyboard, return TRUE if found */ static int sckbdprobe(int unit, int flags, int cons) { /* access the keyboard driver through the backdoor! */ kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0); return (kbd_find_keyboard("*", unit) >= 0); } static char *adapter_name(video_adapter_t *adp) { static struct { int type; char *name[2]; } names[] = { { KD_MONO, { "MDA", "MDA" } }, { KD_HERCULES, { "Hercules", "Hercules" } }, { KD_CGA, { "CGA", "CGA" } }, { KD_EGA, { "EGA", "EGA (mono)" } }, { KD_VGA, { "VGA", "VGA (mono)" } }, { KD_PC98, { "PC-98x1", "PC-98x1" } }, { KD_TGA, { "TGA", "TGA" } }, { -1, { "Unknown", "Unknown" } }, }; int i; for (i = 0; names[i].type != -1; ++i) if (names[i].type == adp->va_type) break; return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1]; } int sc_attach_unit(int unit, int flags) { sc_softc_t *sc; scr_stat *scp; #ifdef SC_PIXEL_MODE video_info_t info; #endif int vc; dev_t dev; flags &= ~SC_KERNEL_CONSOLE; if (sc_console_unit == unit) { /* * If this unit is being used as the system console, we need to * adjust some variables and buffers before and after scinit(). */ /* assert(sc_console != NULL) */ flags |= SC_KERNEL_CONSOLE; scmeminit(NULL); scinit(unit, flags); if (sc_console->tsw->te_size > 0) { /* assert(sc_console->ts != NULL); */ kernel_console_ts = sc_console->ts; sc_console->ts = malloc(sc_console->tsw->te_size, M_DEVBUF, M_WAITOK); bcopy(kernel_console_ts, sc_console->ts, sc_console->tsw->te_size); (*sc_console->tsw->te_default_attr)(sc_console, user_default.std_color, user_default.rev_color); } } else { scinit(unit, flags); } sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); sc->config = flags; scp = SC_STAT(sc->dev[0]); if (sc_console == NULL) /* sc_console_unit < 0 */ sc_console = scp; #ifdef SC_PIXEL_MODE if ((sc->config & SC_VESA800X600) && ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) { #ifdef DEV_SPLASH if (sc->flags & SC_SPLASH_SCRN) splash_term(sc->adp); #endif sc_set_graphics_mode(scp, NULL, M_VESA_800x600); sc_set_pixel_mode(scp, NULL, COL, ROW, 16); sc->initial_mode = M_VESA_800x600; #ifdef DEV_SPLASH /* put up the splash again! */ if (sc->flags & SC_SPLASH_SCRN) splash_init(sc->adp, scsplash_callback, sc); #endif } #endif /* SC_PIXEL_MODE */ /* initialize cursor */ if (!ISGRAPHSC(scp)) update_cursor_image(scp); /* get screen update going */ scrn_timer(sc); /* set up the keyboard */ kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); update_kbd_state(scp, scp->status, LOCK_MASK); printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", unit, adapter_name(sc->adp), sc->vtys, sc->config); if (bootverbose) { printf("sc%d:", unit); if (sc->adapter >= 0) printf(" fb%d", sc->adapter); if (sc->keyboard >= 0) printf(", kbd%d", sc->keyboard); if (scp->tsw) printf(", terminal emulator: %s (%s)", scp->tsw->te_name, scp->tsw->te_desc); printf("\n"); } /* register a shutdown callback for the kernel console */ if (sc_console_unit == unit) EVENTHANDLER_REGISTER(shutdown_pre_sync, scshutdown, (void *)(uintptr_t)unit, SHUTDOWN_PRI_DEFAULT); for (vc = 0; vc < sc->vtys; vc++) { dev = make_dev(&sc_cdevsw, vc + unit * MAXCONS, UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc + unit * MAXCONS); sc->dev[vc] = dev; /* * The first vty already has struct tty and scr_stat initialized * in scinit(). The other vtys will have these structs when * first opened. */ } dev = make_dev(&sc_cdevsw, SC_CONSOLECTL, UID_ROOT, GID_WHEEL, 0600, "consolectl"); dev->si_tty = sc_console_tty = ttymalloc(sc_console_tty); SC_STAT(dev) = sc_console; return 0; } static void scmeminit(void *arg) { if (sc_malloc) return; sc_malloc = TRUE; /* * As soon as malloc() becomes functional, we had better allocate * various buffers for the kernel console. */ if (sc_console_unit < 0) /* sc_console == NULL */ return; /* copy the temporary buffer to the final buffer */ sc_alloc_scr_buffer(sc_console, FALSE, FALSE); #ifndef SC_NO_CUTPASTE sc_alloc_cut_buffer(sc_console, FALSE); #endif #ifndef SC_NO_HISTORY /* initialize history buffer & pointers */ sc_alloc_history_buffer(sc_console, 0, 0, FALSE); #endif } /* XXX */ SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL); static int scdevtounit(dev_t dev) { int vty = SC_VTY(dev); if (vty == SC_CONSOLECTL) return ((sc_console != NULL) ? sc_console->sc->unit : -1); else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit())) return -1; else return vty/MAXCONS; } static int scopen(dev_t dev, int flag, int mode, struct thread *td) { int unit = scdevtounit(dev); sc_softc_t *sc; struct tty *tp; scr_stat *scp; keyarg_t key; int error; DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n", major(dev), minor(dev), unit, SC_VTY(dev))); sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0); if (sc == NULL) return ENXIO; tp = dev->si_tty = ttymalloc(dev->si_tty); tp->t_oproc = scstart; tp->t_param = scparam; tp->t_stop = nottystop; tp->t_dev = dev; if (!ISTTYOPEN(tp)) { ttychars(tp); /* Use the current setting of the <-- key as default VERASE. */ /* If the Delete key is preferable, an stty is necessary */ if (sc->kbd != NULL) { key.keynum = KEYCODE_BS; kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key); tp->t_cc[VERASE] = key.key.map[0]; } 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); (*linesw[tp->t_line].l_modem)(tp, 1); } else if (tp->t_state & TS_XCLUDE && suser(td)) return(EBUSY); error = (*linesw[tp->t_line].l_open)(dev, tp); scp = SC_STAT(dev); if (scp == NULL) { scp = SC_STAT(dev) = alloc_scp(sc, SC_VTY(dev)); if (ISGRAPHSC(scp)) sc_set_pixel_mode(scp, NULL, COL, ROW, 16); } if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { tp->t_winsize.ws_col = scp->xsize; tp->t_winsize.ws_row = scp->ysize; } return error; } static int scclose(dev_t dev, int flag, int mode, struct thread *td) { struct tty *tp = dev->si_tty; scr_stat *scp; int s; if (SC_VTY(dev) != SC_CONSOLECTL) { scp = SC_STAT(tp->t_dev); /* were we in the middle of the VT switching process? */ DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit)); s = spltty(); if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit)) cons_unavail = FALSE; if (finish_vt_rel(scp, TRUE, &s) == 0) /* force release */ DPRINTF(5, ("reset WAIT_REL, ")); if (finish_vt_acq(scp) == 0) /* force acknowledge */ DPRINTF(5, ("reset WAIT_ACQ, ")); #if not_yet_done if (scp == &main_console) { scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; } else { sc_vtb_destroy(&scp->vtb); sc_vtb_destroy(&scp->scr); sc_free_history_buffer(scp, scp->ysize); SC_STAT(dev) = NULL; free(scp, M_DEVBUF); } #else scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; #endif scp->kbd_mode = K_XLATE; if (scp == scp->sc->cur_scp) kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); DPRINTF(5, ("done.\n")); } spltty(); (*linesw[tp->t_line].l_close)(tp, flag); ttyclose(tp); spl0(); return(0); } static int scread(dev_t dev, struct uio *uio, int flag) { if (!sc_saver_keyb_only) sc_touch_scrn_saver(); return ttyread(dev, uio, flag); } static int sckbdevent(keyboard_t *thiskbd, int event, void *arg) { sc_softc_t *sc; struct tty *cur_tty; int c; size_t len; u_char *cp; sc = (sc_softc_t *)arg; /* assert(thiskbd == sc->kbd) */ switch (event) { case KBDIO_KEYINPUT: break; case KBDIO_UNLOADING: sc->kbd = NULL; sc->keyboard = -1; kbd_release(thiskbd, (void *)&sc->keyboard); return 0; default: return EINVAL; } /* * Loop while there is still input to get from the keyboard. * I don't think this is nessesary, and it doesn't fix * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX */ while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) { cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index); if (!ISTTYOPEN(cur_tty)) { cur_tty = sc_console_tty; if (!ISTTYOPEN(cur_tty)) continue; } if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) continue; switch (KEYFLAGS(c)) { case 0x0000: /* normal key */ (*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty); break; case FKEY: /* function key, return string */ cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len); if (cp != NULL) { while (len-- > 0) (*linesw[cur_tty->t_line].l_rint)(*cp++, 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)(KEYCHAR(c), 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; } } sc->cur_scp->status |= MOUSE_HIDDEN; return 0; } 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; } static int scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) { int error; int i; struct tty *tp; sc_softc_t *sc; scr_stat *scp; int s; tp = dev->si_tty; /* If there is a user_ioctl function call that first */ if (sc_user_ioctl) { error = (*sc_user_ioctl)(dev, cmd, data, flag, td); if (error != ENOIOCTL) return error; } error = sc_vid_ioctl(tp, cmd, data, flag, td); if (error != ENOIOCTL) return error; #ifndef SC_NO_HISTORY error = sc_hist_ioctl(tp, cmd, data, flag, td); if (error != ENOIOCTL) return error; #endif #ifndef SC_NO_SYSMOUSE error = sc_mouse_ioctl(tp, cmd, data, flag, td); if (error != ENOIOCTL) return error; #endif scp = SC_STAT(tp->t_dev); /* assert(scp != NULL) */ /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */ sc = scp->sc; if (scp->tsw) { error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag, td); if (error != ENOIOCTL) return error; } switch (cmd) { /* process console hardware related ioctl's */ case GIO_ATTR: /* get current attributes */ /* this ioctl is not processed here, but in the terminal emulator */ return ENOTTY; case GIO_COLOR: /* is this a color console ? */ *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; return 0; case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) return EINVAL; s = spltty(); scrn_blank_time = *(int *)data; run_scrn_saver = (scrn_blank_time != 0); splx(s); return 0; case CONS_CURSORTYPE: /* set cursor type (obsolete) */ s = spltty(); *(int *)data &= CONS_CURSOR_ATTRS; sc_change_cursor_shape(scp, *(int *)data, -1, -1); splx(s); return 0; case CONS_GETCURSORSHAPE: /* get cursor shape (new interface) */ if (((int *)data)[0] & CONS_LOCAL_CURSOR) { ((int *)data)[0] = scp->curr_curs_attr.flags; ((int *)data)[1] = scp->curr_curs_attr.base; ((int *)data)[2] = scp->curr_curs_attr.height; } else { ((int *)data)[0] = sc->curs_attr.flags; ((int *)data)[1] = sc->curs_attr.base; ((int *)data)[2] = sc->curs_attr.height; } return 0; case CONS_SETCURSORSHAPE: /* set cursor shape (new interface) */ s = spltty(); sc_change_cursor_shape(scp, ((int *)data)[0], ((int *)data)[1], ((int *)data)[2]); splx(s); return 0; case CONS_BELLTYPE: /* set bell type sound/visual */ if ((*(int *)data) & 0x01) sc->flags |= SC_VISUAL_BELL; else sc->flags &= ~SC_VISUAL_BELL; if ((*(int *)data) & 0x02) sc->flags |= SC_QUIET_BELL; else sc->flags &= ~SC_QUIET_BELL; 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 = sc->cur_scp->index; ptr->font_size = scp->font_size; ptr->mv_col = scp->xpos; ptr->mv_row = scp->ypos; ptr->mv_csz = scp->xsize; ptr->mv_rsz = scp->ysize; ptr->mv_hsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; /* * The following fields are filled by the terminal emulator. XXX * * ptr->mv_norm.fore * ptr->mv_norm.back * ptr->mv_rev.fore * ptr->mv_rev.back */ ptr->mv_grfc.fore = 0; /* not supported */ ptr->mv_grfc.back = 0; /* not supported */ ptr->mv_ovscan = scp->border; if (scp == sc->cur_scp) save_kbd_state(scp); ptr->mk_keylock = scp->status & LOCK_MASK; return 0; } return EINVAL; } case CONS_GETVERS: /* get version number */ *(int*)data = 0x200; /* version 2.0 */ return 0; case CONS_IDLE: /* see if the screen has been idle */ /* * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE, * the user process may have been writing something on the * screen and syscons is not aware of it. Declare the screen * is NOT idle if it is in one of these modes. But there is * an exception to it; if a screen saver is running in the * graphics mode in the current screen, we should say that the * screen has been idle. */ *(int *)data = (sc->flags & SC_SCRN_IDLE) && (!ISGRAPHSC(sc->cur_scp) || (sc->cur_scp->status & SAVER_RUNNING)); return 0; case CONS_SAVERMODE: /* set saver mode */ switch(*(int *)data) { case CONS_NO_SAVER: case CONS_USR_SAVER: /* if a LKM screen saver is running, stop it first. */ scsplash_stick(FALSE); saver_mode = *(int *)data; s = spltty(); #ifdef DEV_SPLASH if ((error = wait_scrn_saver_stop(NULL))) { splx(s); return error; } #endif run_scrn_saver = TRUE; if (saver_mode == CONS_USR_SAVER) scp->status |= SAVER_RUNNING; else scp->status &= ~SAVER_RUNNING; scsplash_stick(TRUE); splx(s); break; case CONS_LKM_SAVER: s = spltty(); if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) scp->status &= ~SAVER_RUNNING; saver_mode = *(int *)data; splx(s); break; default: return EINVAL; } return 0; case CONS_SAVERSTART: /* immediately start/stop the screen saver */ /* * Note that this ioctl does not guarantee the screen saver * actually starts or stops. It merely attempts to do so... */ s = spltty(); run_scrn_saver = (*(int *)data != 0); if (run_scrn_saver) sc->scrn_time_stamp -= scrn_blank_time; splx(s); return 0; case CONS_SCRSHOT: /* get a screen shot */ { int retval, hist_rsz; size_t lsize, csize; vm_offset_t frbp, hstp; unsigned lnum; scrshot_t *ptr = (scrshot_t *)data; void *outp = ptr->buf; s = spltty(); if (ISGRAPHSC(scp)) { splx(s); return EOPNOTSUPP; } hist_rsz = (scp->history != NULL) ? scp->history->vtb_rows : 0; if ((ptr->x + ptr->xsize) > scp->xsize || (ptr->y + ptr->ysize) > (scp->ysize + hist_rsz)) { splx(s); return EINVAL; } lsize = scp->xsize * sizeof(u_int16_t); csize = ptr->xsize * sizeof(u_int16_t); /* Pointer to the last line of framebuffer */ frbp = scp->vtb.vtb_buffer + scp->ysize * lsize + ptr->x * sizeof(u_int16_t); /* Pointer to the last line of target buffer */ (vm_offset_t)outp += ptr->ysize * csize; /* Pointer to the last line of history buffer */ if (scp->history != NULL) hstp = scp->history->vtb_buffer + sc_vtb_tail(scp->history) * sizeof(u_int16_t) + ptr->x * sizeof(u_int16_t); else hstp = 0; retval = 0; for (lnum = 0; lnum < (ptr->y + ptr->ysize); lnum++) { if (lnum < scp->ysize) { frbp -= lsize; } else { hstp -= lsize; if (hstp < scp->history->vtb_buffer) hstp += scp->history->vtb_rows * lsize; frbp = hstp; } if (lnum < ptr->y) continue; (vm_offset_t)outp -= csize; retval = copyout((void *)frbp, outp, csize); if (retval != 0) break; } splx(s); return retval; } case VT_SETMODE: /* set screen switcher mode */ { struct vt_mode *mode; struct proc *p1; mode = (struct vt_mode *)data; DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); if (scp->smode.mode == VT_PROCESS) { p1 = pfind(scp->pid); if (scp->proc == p1 && scp->proc != td->td_proc) { if (p1) PROC_UNLOCK(p1); DPRINTF(5, ("error EPERM\n")); return EPERM; } if (p1) PROC_UNLOCK(p1); } s = spltty(); if (mode->mode == VT_AUTO) { scp->smode.mode = VT_AUTO; scp->proc = NULL; scp->pid = 0; DPRINTF(5, ("VT_AUTO, ")); if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) cons_unavail = FALSE; /* were we in the middle of the vty switching process? */ if (finish_vt_rel(scp, TRUE, &s) == 0) DPRINTF(5, ("reset WAIT_REL, ")); if (finish_vt_acq(scp) == 0) DPRINTF(5, ("reset WAIT_ACQ, ")); } else { if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig) || !ISSIGVALID(mode->frsig)) { splx(s); DPRINTF(5, ("error EINVAL\n")); return EINVAL; } DPRINTF(5, ("VT_PROCESS %d, ", td->td_proc->p_pid)); bcopy(data, &scp->smode, sizeof(struct vt_mode)); scp->proc = td->td_proc; scp->pid = scp->proc->p_pid; if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) cons_unavail = TRUE; } splx(s); DPRINTF(5, ("\n")); 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 */ s = spltty(); /* * This must be the current vty which is in the VT_PROCESS * switching mode... */ if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { splx(s); return EINVAL; } /* ...and this process is controlling it. */ if (scp->proc != td->td_proc) { splx(s); return EPERM; } error = EINVAL; switch(*(int *)data) { case VT_FALSE: /* user refuses to release screen, abort */ if ((error = finish_vt_rel(scp, FALSE, &s)) == 0) DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit)); break; case VT_TRUE: /* user has released screen, go on */ if ((error = finish_vt_rel(scp, TRUE, &s)) == 0) DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit)); break; case VT_ACKACQ: /* acquire acknowledged, switch completed */ if ((error = finish_vt_acq(scp)) == 0) DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit)); break; default: break; } splx(s); return error; case VT_OPENQRY: /* return free virtual console */ for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) { tp = VIRTUAL_TTY(sc, i); if (!ISTTYOPEN(tp)) { *(int *)data = i + 1; return 0; } } return EINVAL; case VT_ACTIVATE: /* switch to screen *data */ i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); s = spltty(); sc_clean_up(sc->cur_scp); splx(s); return sc_switch_scr(sc, i); case VT_WAITACTIVE: /* wait for switch to occur */ i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); if ((i < sc->first_vty) || (i >= sc->first_vty + sc->vtys)) return EINVAL; s = spltty(); error = sc_clean_up(sc->cur_scp); splx(s); if (error) return error; scp = SC_STAT(SC_DEV(sc, i)); if (scp == scp->sc->cur_scp) return 0; while ((error=tsleep(&scp->smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; return error; case VT_GETACTIVE: /* get active vty # */ *(int *)data = sc->cur_scp->index + 1; return 0; case VT_GETINDEX: /* get this vty # */ *(int *)data = scp->index + 1; return 0; case VT_LOCKSWITCH: /* prevent vty switching */ if ((*(int *)data) & 0x01) sc->flags |= SC_SCRN_VTYLOCK; else sc->flags &= ~SC_SCRN_VTYLOCK; return 0; case KDENABIO: /* allow io operations */ error = suser(td); if (error != 0) return error; error = securelevel_gt(td->td_ucred, 0); if (error != 0) return error; #ifdef __i386__ td->td_frame->tf_eflags |= PSL_IOPL; #endif return 0; case KDDISABIO: /* disallow io operations (default) */ #ifdef __i386__ td->td_frame->tf_eflags &= ~PSL_IOPL; #endif return 0; case KDSKBSTATE: /* set keyboard state (locks) */ if (*(int *)data & ~LOCK_MASK) return EINVAL; scp->status &= ~LOCK_MASK; scp->status |= *(int *)data; if (scp == sc->cur_scp) update_kbd_state(scp, scp->status, LOCK_MASK); return 0; case KDGKBSTATE: /* get keyboard state (locks) */ if (scp == sc->cur_scp) save_kbd_state(scp); *(int *)data = scp->status & LOCK_MASK; return 0; case KDGETREPEAT: /* get keyboard repeat & delay rates */ case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */ error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) error = ENODEV; return error; case KDSETRAD: /* set keyboard repeat & delay rates (old) */ if (*(int *)data & ~0x7f) return EINVAL; error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) error = ENODEV; return error; case KDSKBMODE: /* set keyboard mode */ switch (*(int *)data) { case K_XLATE: /* switch to XLT ascii mode */ case K_RAW: /* switch to RAW scancode mode */ case K_CODE: /* switch to CODE mode */ scp->kbd_mode = *(int *)data; if (scp == sc->cur_scp) kbd_ioctl(sc->kbd, cmd, data); return 0; default: return EINVAL; } /* NOT REACHED */ case KDGKBMODE: /* get keyboard mode */ *(int *)data = scp->kbd_mode; return 0; case KDGKBINFO: error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) error = ENODEV; return error; case KDMKTONE: /* sound the bell */ if (*(int*)data) sc_bell(scp, (*(int*)data)&0xffff, (((*(int*)data)>>16)&0xffff)*hz/1000); else sc_bell(scp, scp->bell_pitch, scp->bell_duration); return 0; case KIOCSOUND: /* make tone (*data) hz */ if (scp == sc->cur_scp) { if (*(int *)data) return sc_tone(*(int *)data); else return sc_tone(0); } return 0; case KDGKBTYPE: /* get keyboard type */ error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) { /* always return something? XXX */ *(int *)data = 0; } return 0; case KDSETLED: /* set keyboard LED status */ if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */ return EINVAL; scp->status &= ~LED_MASK; scp->status |= *(int *)data; if (scp == sc->cur_scp) update_kbd_leds(scp, scp->status); return 0; case KDGETLED: /* get keyboard LED status */ if (scp == sc->cur_scp) save_kbd_state(scp); *(int *)data = scp->status & LED_MASK; return 0; case CONS_SETKBD: /* set the new keyboard */ { keyboard_t *newkbd; s = spltty(); newkbd = kbd_get_keyboard(*(int *)data); if (newkbd == NULL) { splx(s); return EINVAL; } error = 0; if (sc->kbd != newkbd) { i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit, (void *)&sc->keyboard, sckbdevent, sc); /* i == newkbd->kb_index */ if (i >= 0) { if (sc->kbd != NULL) { save_kbd_state(sc->cur_scp); kbd_release(sc->kbd, (void *)&sc->keyboard); } sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ sc->keyboard = i; kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); update_kbd_state(sc->cur_scp, sc->cur_scp->status, LOCK_MASK); } else { error = EPERM; /* XXX */ } } splx(s); return error; } case CONS_RELKBD: /* release the current keyboard */ s = spltty(); error = 0; if (sc->kbd != NULL) { save_kbd_state(sc->cur_scp); error = kbd_release(sc->kbd, (void *)&sc->keyboard); if (error == 0) { sc->kbd = NULL; sc->keyboard = -1; } } splx(s); return error; case CONS_GETTERM: /* get the current terminal emulator info */ { sc_term_sw_t *sw; if (((term_info_t *)data)->ti_index == 0) { sw = scp->tsw; } else { sw = sc_term_match_by_number(((term_info_t *)data)->ti_index); } if (sw != NULL) { strncpy(((term_info_t *)data)->ti_name, sw->te_name, sizeof(((term_info_t *)data)->ti_name)); strncpy(((term_info_t *)data)->ti_desc, sw->te_desc, sizeof(((term_info_t *)data)->ti_desc)); ((term_info_t *)data)->ti_flags = 0; return 0; } else { ((term_info_t *)data)->ti_name[0] = '\0'; ((term_info_t *)data)->ti_desc[0] = '\0'; ((term_info_t *)data)->ti_flags = 0; return EINVAL; } } case CONS_SETTERM: /* set the current terminal emulator */ s = spltty(); error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); /* FIXME: what if scp == sc_console! XXX */ splx(s); return error; case GIO_SCRNMAP: /* get output translation table */ bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); return 0; case PIO_SCRNMAP: /* set output translation table */ bcopy(data, &sc->scr_map, sizeof(sc->scr_map)); for (i=0; iscr_map); i++) { sc->scr_rmap[sc->scr_map[i]] = i; } return 0; case GIO_KEYMAP: /* get keyboard translation table */ case PIO_KEYMAP: /* set keyboard translation table */ case GIO_DEADKEYMAP: /* get accent key translation table */ case PIO_DEADKEYMAP: /* set accent key translation table */ case GETFKEY: /* get function key string */ case SETFKEY: /* set function key string */ error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) error = ENODEV; return error; #ifndef SC_NO_FONT_LOADING case PIO_FONT8x8: /* set 8x8 dot font */ if (!ISFONTAVAIL(sc->adp->va_flags)) return ENXIO; bcopy(data, sc->font_8, 8*256); sc->fonts_loaded |= FONT_8; /* * FONT KLUDGE * Always use the font page #0. XXX * Don't load if the current font size is not 8x8. */ if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14)) sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); return 0; case GIO_FONT8x8: /* get 8x8 dot font */ if (!ISFONTAVAIL(sc->adp->va_flags)) return ENXIO; if (sc->fonts_loaded & FONT_8) { bcopy(sc->font_8, data, 8*256); return 0; } else return ENXIO; case PIO_FONT8x14: /* set 8x14 dot font */ if (!ISFONTAVAIL(sc->adp->va_flags)) return ENXIO; bcopy(data, sc->font_14, 14*256); sc->fonts_loaded |= FONT_14; /* * FONT KLUDGE * Always use the font page #0. XXX * Don't load if the current font size is not 8x14. */ if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 14) && (sc->cur_scp->font_size < 16)) sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); return 0; case GIO_FONT8x14: /* get 8x14 dot font */ if (!ISFONTAVAIL(sc->adp->va_flags)) return ENXIO; if (sc->fonts_loaded & FONT_14) { bcopy(sc->font_14, data, 14*256); return 0; } else return ENXIO; case PIO_FONT8x16: /* set 8x16 dot font */ if (!ISFONTAVAIL(sc->adp->va_flags)) return ENXIO; bcopy(data, sc->font_16, 16*256); sc->fonts_loaded |= FONT_16; /* * FONT KLUDGE * Always use the font page #0. XXX * Don't load if the current font size is not 8x16. */ if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16)) sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); return 0; case GIO_FONT8x16: /* get 8x16 dot font */ if (!ISFONTAVAIL(sc->adp->va_flags)) return ENXIO; if (sc->fonts_loaded & FONT_16) { bcopy(sc->font_16, data, 16*256); return 0; } else return ENXIO; #endif /* SC_NO_FONT_LOADING */ default: break; } error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td); if (error != ENOIOCTL) return(error); error = ttioctl(tp, cmd, data, flag); if (error != ENOIOCTL) return(error); return(ENOTTY); } static void scstart(struct tty *tp) { struct clist *rbp; int s, len; u_char buf[PCBURST]; scr_stat *scp = SC_STAT(tp->t_dev); if (scp->status & SLKED || scp->sc->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); sc_puts(scp, buf, len); s = spltty(); } tp->t_state &= ~TS_BUSY; ttwwakeup(tp); } splx(s); } static void sccnprobe(struct consdev *cp) { #if __i386__ || __ia64__ || __amd64__ int unit; int flags; cp->cn_pri = sc_get_cons_priority(&unit, &flags); /* a video card is always required */ if (!scvidprobe(unit, flags, TRUE)) cp->cn_pri = CN_DEAD; /* syscons will become console even when there is no keyboard */ sckbdprobe(unit, flags, TRUE); if (cp->cn_pri == CN_DEAD) return; /* initialize required fields */ cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL); #endif /* __i386__ || __ia64__ || __amd64__ */ #if __alpha__ /* * alpha use sccnattach() rather than cnprobe()/cninit()/cnterm() * interface to install the console. Always return CN_DEAD from * here. */ cp->cn_pri = CN_DEAD; #endif /* __alpha__ */ } static void sccninit(struct consdev *cp) { #if __i386__ || __ia64__ || __amd64__ int unit; int flags; sc_get_cons_priority(&unit, &flags); scinit(unit, flags | SC_KERNEL_CONSOLE); sc_console_unit = unit; sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); #endif /* __i386__ || __ia64__ || __amd64__ */ #if __alpha__ /* SHOULDN'T REACH HERE */ #endif /* __alpha__ */ } static void sccnterm(struct consdev *cp) { /* we are not the kernel console any more, release everything */ if (sc_console_unit < 0) return; /* shouldn't happen */ #if __i386__ || __ia64__ || __amd64__ #if 0 /* XXX */ sc_clear_screen(sc_console); sccnupdate(sc_console); #endif scterm(sc_console_unit, SC_KERNEL_CONSOLE); sc_console_unit = -1; sc_console = NULL; #endif /* __i386__ || __ia64__ || __amd64__ */ #if __alpha__ /* do nothing XXX */ #endif /* __alpha__ */ } #ifdef __alpha__ void sccnattach(void) { static struct consdev consdev; int unit; int flags; bcopy(&sc_consdev, &consdev, sizeof(sc_consdev)); consdev.cn_pri = sc_get_cons_priority(&unit, &flags); /* a video card is always required */ if (!scvidprobe(unit, flags, TRUE)) consdev.cn_pri = CN_DEAD; /* alpha doesn't allow the console being without a keyboard... Why? */ if (!sckbdprobe(unit, flags, TRUE)) consdev.cn_pri = CN_DEAD; if (consdev.cn_pri == CN_DEAD) return; scinit(unit, flags | SC_KERNEL_CONSOLE); sc_console_unit = unit; sc_console = SC_STAT(sc_get_softc(unit, SC_KERNEL_CONSOLE)->dev[0]); consdev.cn_dev = makedev(CDEV_MAJOR, 0); cnadd(&consdev); } #endif /* __alpha__ */ static void sccnputc(struct consdev *cd, int c) { u_char buf[1]; scr_stat *scp = sc_console; void *save; #ifndef SC_NO_HISTORY struct tty *tp; #endif /* !SC_NO_HISTORY */ int s; /* assert(sc_console != NULL) */ #ifndef SC_NO_HISTORY if (scp == scp->sc->cur_scp && scp->status & SLKED) { scp->status &= ~SLKED; update_kbd_state(scp, scp->status, SLKED); if (scp->status & BUFFER_SAVED) { if (!sc_hist_restore(scp)) sc_remove_cutmarking(scp); scp->status &= ~BUFFER_SAVED; scp->status |= CURSOR_ENABLED; sc_draw_cursor_image(scp); } tp = VIRTUAL_TTY(scp->sc, scp->index); if (ISTTYOPEN(tp)) scstart(tp); } #endif /* !SC_NO_HISTORY */ save = scp->ts; if (kernel_console_ts != NULL) scp->ts = kernel_console_ts; buf[0] = c; sc_puts(scp, buf, 1); scp->ts = save; s = spltty(); /* block sckbdevent and scrn_timer */ sccnupdate(scp); splx(s); } static int sccngetc(struct consdev *cd) { return sccngetch(0); } static int sccncheckc(struct consdev *cd) { return sccngetch(SCGETC_NONBLOCK); } static void sccndbctl(struct consdev *cd, int on) { /* assert(sc_console_unit >= 0) */ /* try to switch to the kernel console screen */ if (on && debugger == 0) { /* * TRY to make sure the screen saver is stopped, * and the screen is updated before switching to * the vty0. */ scrn_timer(NULL); if (!cold && sc_console->sc->cur_scp->smode.mode == VT_AUTO && sc_console->smode.mode == VT_AUTO) { sc_console->sc->cur_scp->status |= MOUSE_HIDDEN; ++debugger; /* XXX */ #ifdef DDB /* unlock vty switching */ sc_console->sc->flags &= ~SC_SCRN_VTYLOCK; #endif sc_switch_scr(sc_console->sc, sc_console->index); --debugger; /* XXX */ } } if (on) ++debugger; else --debugger; } static int sccngetch(int flags) { static struct fkeytab fkey; static int fkeycp; scr_stat *scp; u_char *p; int cur_mode; int s = spltty(); /* block sckbdevent and scrn_timer while we poll */ int c; /* assert(sc_console != NULL) */ /* * Stop the screen saver and update the screen if necessary. * What if we have been running in the screen saver code... XXX */ sc_touch_scrn_saver(); scp = sc_console->sc->cur_scp; /* XXX */ sccnupdate(scp); if (fkeycp < fkey.len) { splx(s); return fkey.str[fkeycp++]; } if (scp->sc->kbd == NULL) { splx(s); return -1; } /* * Make sure the keyboard is accessible even when the kbd device * driver is disabled. */ kbd_enable(scp->sc->kbd); /* we shall always use the keyboard in the XLATE mode here */ cur_mode = scp->kbd_mode; scp->kbd_mode = K_XLATE; kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); kbd_poll(scp->sc->kbd, TRUE); c = scgetc(scp->sc, SCGETC_CN | flags); kbd_poll(scp->sc->kbd, FALSE); scp->kbd_mode = cur_mode; kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); kbd_disable(scp->sc->kbd); splx(s); switch (KEYFLAGS(c)) { case 0: /* normal char */ return KEYCHAR(c); case FKEY: /* function key */ p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp); fkey.len = fkeycp; if ((p != NULL) && (fkey.len > 0)) { bcopy(p, fkey.str, fkey.len); fkeycp = 1; return fkey.str[0]; } return c; /* XXX */ case NOKEY: case ERRKEY: default: return -1; } /* NOT REACHED */ } static void sccnupdate(scr_stat *scp) { /* this is a cut-down version of scrn_timer()... */ if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) return; if (debugger > 0 || panicstr || shutdown_in_progress) { sc_touch_scrn_saver(); } else if (scp != scp->sc->cur_scp) { return; } if (!run_scrn_saver) scp->sc->flags &= ~SC_SCRN_IDLE; #ifdef DEV_SPLASH if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) if (scp->sc->flags & SC_SCRN_BLANKED) stop_scrn_saver(scp->sc, current_saver); #endif if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress || scp->sc->switch_in_progress) return; /* * FIXME: unlike scrn_timer(), we call scrn_update() from here even * when write_in_progress is non-zero. XXX */ if (!ISGRAPHSC(scp) && !(scp->sc->flags & SC_SCRN_BLANKED)) scrn_update(scp, TRUE); } static void scrn_timer(void *arg) { static int kbd_interval = 0; struct timeval tv; sc_softc_t *sc; scr_stat *scp; int again; int s; again = (arg != NULL); if (arg != NULL) sc = (sc_softc_t *)arg; else if (sc_console != NULL) sc = sc_console->sc; else return; /* don't do anything when we are performing some I/O operations */ if (sc->font_loading_in_progress || sc->videoio_in_progress) { if (again) timeout(scrn_timer, sc, hz / 10); return; } s = spltty(); if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { /* try to allocate a keyboard automatically */ if (++kbd_interval >= 25) { sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard, sckbdevent, sc); if (sc->keyboard >= 0) { sc->kbd = kbd_get_keyboard(sc->keyboard); kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); update_kbd_state(sc->cur_scp, sc->cur_scp->status, LOCK_MASK); } kbd_interval = 0; } } /* find the vty to update */ scp = sc->cur_scp; /* should we stop the screen saver? */ getmicrouptime(&tv); if (debugger > 0 || panicstr || shutdown_in_progress) sc_touch_scrn_saver(); if (run_scrn_saver) { if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time) sc->flags |= SC_SCRN_IDLE; else sc->flags &= ~SC_SCRN_IDLE; } else { sc->scrn_time_stamp = tv.tv_sec; sc->flags &= ~SC_SCRN_IDLE; if (scrn_blank_time > 0) run_scrn_saver = TRUE; } #ifdef DEV_SPLASH if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) if (sc->flags & SC_SCRN_BLANKED) stop_scrn_saver(sc, current_saver); #endif /* should we just return ? */ if (sc->blink_in_progress || sc->switch_in_progress || sc->write_in_progress) { if (again) timeout(scrn_timer, sc, hz / 10); splx(s); return; } /* Update the screen */ scp = sc->cur_scp; /* cur_scp may have changed... */ if (!ISGRAPHSC(scp) && !(sc->flags & SC_SCRN_BLANKED)) scrn_update(scp, TRUE); #ifdef DEV_SPLASH /* should we activate the screen saver? */ if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE)) if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED)) (*current_saver)(sc, TRUE); #endif if (again) timeout(scrn_timer, sc, hz / 25); splx(s); } static int and_region(int *s1, int *e1, int s2, int e2) { if (*e1 < s2 || e2 < *s1) return FALSE; *s1 = imax(*s1, s2); *e1 = imin(*e1, e2); return TRUE; } static void scrn_update(scr_stat *scp, int show_cursor) { int start; int end; int s; int e; /* assert(scp == scp->sc->cur_scp) */ ++scp->sc->videoio_in_progress; #ifndef SC_NO_CUTPASTE /* remove the previous mouse pointer image if necessary */ if (scp->status & MOUSE_VISIBLE) { s = scp->mouse_pos; e = scp->mouse_pos + scp->xsize + 1; if ((scp->status & (MOUSE_MOVED | MOUSE_HIDDEN)) || and_region(&s, &e, scp->start, scp->end) || ((scp->status & CURSOR_ENABLED) && (scp->cursor_pos != scp->cursor_oldpos) && (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos) || and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)))) { sc_remove_mouse_image(scp); if (scp->end >= scp->xsize*scp->ysize) scp->end = scp->xsize*scp->ysize - 1; } } #endif /* !SC_NO_CUTPASTE */ #if 1 /* debug: XXX */ if (scp->end >= scp->xsize*scp->ysize) { printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end); scp->end = scp->xsize*scp->ysize - 1; } if (scp->start < 0) { printf("scrn_update(): scp->start %d < 0\n", scp->start); scp->start = 0; } #endif /* update screen image */ if (scp->start <= scp->end) { if (scp->mouse_cut_end >= 0) { /* there is a marked region for cut & paste */ if (scp->mouse_cut_start <= scp->mouse_cut_end) { start = scp->mouse_cut_start; end = scp->mouse_cut_end; } else { start = scp->mouse_cut_end; end = scp->mouse_cut_start - 1; } s = start; e = end; /* does the cut-mark region overlap with the update region? */ if (and_region(&s, &e, scp->start, scp->end)) { (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); s = 0; e = start - 1; if (and_region(&s, &e, scp->start, scp->end)) (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); s = end + 1; e = scp->xsize*scp->ysize - 1; if (and_region(&s, &e, scp->start, scp->end)) (*scp->rndr->draw)(scp, s, e - s + 1, FALSE); } else { (*scp->rndr->draw)(scp, scp->start, scp->end - scp->start + 1, FALSE); } } else { (*scp->rndr->draw)(scp, scp->start, scp->end - scp->start + 1, FALSE); } } /* we are not to show the cursor and the mouse pointer... */ if (!show_cursor) { scp->end = 0; scp->start = scp->xsize*scp->ysize - 1; --scp->sc->videoio_in_progress; return; } /* update cursor image */ if (scp->status & CURSOR_ENABLED) { s = scp->start; e = scp->end; /* did cursor move since last time ? */ if (scp->cursor_pos != scp->cursor_oldpos) { /* do we need to remove old cursor image ? */ if (!and_region(&s, &e, scp->cursor_oldpos, scp->cursor_oldpos)) sc_remove_cursor_image(scp); sc_draw_cursor_image(scp); } else { if (and_region(&s, &e, scp->cursor_pos, scp->cursor_pos)) /* cursor didn't move, but has been overwritten */ sc_draw_cursor_image(scp); else if (scp->curs_attr.flags & CONS_BLINK_CURSOR) /* if it's a blinking cursor, update it */ (*scp->rndr->blink_cursor)(scp, scp->cursor_pos, sc_inside_cutmark(scp, scp->cursor_pos)); } } #ifndef SC_NO_CUTPASTE /* update "pseudo" mouse pointer image */ if (scp->sc->flags & SC_MOUSE_ENABLED) { if (!(scp->status & (MOUSE_VISIBLE | MOUSE_HIDDEN))) { scp->status &= ~MOUSE_MOVED; sc_draw_mouse_image(scp); } } #endif /* SC_NO_CUTPASTE */ scp->end = 0; scp->start = scp->xsize*scp->ysize - 1; --scp->sc->videoio_in_progress; } #ifdef DEV_SPLASH static int scsplash_callback(int event, void *arg) { sc_softc_t *sc; int error; sc = (sc_softc_t *)arg; switch (event) { case SPLASH_INIT: if (add_scrn_saver(scsplash_saver) == 0) { sc->flags &= ~SC_SAVER_FAILED; run_scrn_saver = TRUE; if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) { scsplash_stick(TRUE); (*current_saver)(sc, TRUE); } } return 0; case SPLASH_TERM: if (current_saver == scsplash_saver) { scsplash_stick(FALSE); error = remove_scrn_saver(scsplash_saver); if (error) return error; } return 0; default: return EINVAL; } } static void scsplash_saver(sc_softc_t *sc, int show) { static int busy = FALSE; scr_stat *scp; if (busy) return; busy = TRUE; scp = sc->cur_scp; if (show) { if (!(sc->flags & SC_SAVER_FAILED)) { if (!(sc->flags & SC_SCRN_BLANKED)) set_scrn_saver_mode(scp, -1, NULL, 0); switch (splash(sc->adp, TRUE)) { case 0: /* succeeded */ break; case EAGAIN: /* try later */ restore_scrn_saver_mode(scp, FALSE); sc_touch_scrn_saver(); /* XXX */ break; default: sc->flags |= SC_SAVER_FAILED; scsplash_stick(FALSE); restore_scrn_saver_mode(scp, TRUE); printf("scsplash_saver(): failed to put up the image\n"); break; } } } else if (!sticky_splash) { if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0)) restore_scrn_saver_mode(scp, TRUE); } busy = FALSE; } static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int)) { #if 0 int error; if (current_saver != none_saver) { error = remove_scrn_saver(current_saver); if (error) return error; } #endif if (current_saver != none_saver) return EBUSY; run_scrn_saver = FALSE; saver_mode = CONS_LKM_SAVER; current_saver = this_saver; return 0; } static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int)) { if (current_saver != this_saver) return EINVAL; #if 0 /* * In order to prevent `current_saver' from being called by * the timeout routine `scrn_timer()' while we manipulate * the saver list, we shall set `current_saver' to `none_saver' * before stopping the current saver, rather than blocking by `splXX()'. */ current_saver = none_saver; if (scrn_blanked) stop_scrn_saver(this_saver); #endif /* unblank all blanked screens */ wait_scrn_saver_stop(NULL); if (scrn_blanked) return EBUSY; current_saver = none_saver; return 0; } static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border) { int s; /* assert(scp == scp->sc->cur_scp) */ s = spltty(); if (!ISGRAPHSC(scp)) sc_remove_cursor_image(scp); scp->splash_save_mode = scp->mode; scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE); scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE); scp->status |= (UNKNOWN_MODE | SAVER_RUNNING); scp->sc->flags |= SC_SCRN_BLANKED; ++scrn_blanked; splx(s); if (mode < 0) return 0; scp->mode = mode; if (set_mode(scp) == 0) { if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) scp->status |= GRAPHICS_MODE; #ifndef SC_NO_PALETTE_LOADING if (pal != NULL) load_palette(scp->sc->adp, pal); #endif sc_set_border(scp, border); return 0; } else { s = spltty(); scp->mode = scp->splash_save_mode; scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); scp->status |= scp->splash_save_status; splx(s); return 1; } } static int restore_scrn_saver_mode(scr_stat *scp, int changemode) { int mode; int status; int s; /* assert(scp == scp->sc->cur_scp) */ s = spltty(); mode = scp->mode; status = scp->status; scp->mode = scp->splash_save_mode; scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); scp->status |= scp->splash_save_status; scp->sc->flags &= ~SC_SCRN_BLANKED; if (!changemode) { if (!ISGRAPHSC(scp)) sc_draw_cursor_image(scp); --scrn_blanked; splx(s); return 0; } if (set_mode(scp) == 0) { #ifndef SC_NO_PALETTE_LOADING load_palette(scp->sc->adp, scp->sc->palette); #endif --scrn_blanked; splx(s); return 0; } else { scp->mode = mode; scp->status = status; splx(s); return 1; } } static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int)) { (*saver)(sc, FALSE); run_scrn_saver = FALSE; /* the screen saver may have chosen not to stop after all... */ if (sc->flags & SC_SCRN_BLANKED) return; mark_all(sc->cur_scp); if (sc->delayed_next_scr) sc_switch_scr(sc, sc->delayed_next_scr - 1); if (debugger == 0) wakeup(&scrn_blanked); } static int wait_scrn_saver_stop(sc_softc_t *sc) { int error = 0; while (scrn_blanked > 0) { run_scrn_saver = FALSE; if (sc && !(sc->flags & SC_SCRN_BLANKED)) { error = 0; break; } error = tsleep(&scrn_blanked, PZERO | PCATCH, "scrsav", 0); if ((error != 0) && (error != ERESTART)) break; } run_scrn_saver = FALSE; return error; } #endif /* DEV_SPLASH */ void sc_touch_scrn_saver(void) { scsplash_stick(FALSE); run_scrn_saver = FALSE; } int sc_switch_scr(sc_softc_t *sc, u_int next_scr) { scr_stat *cur_scp; struct tty *tp; struct proc *p; int s; DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr + 1)); /* prevent switch if previously requested */ if (sc->flags & SC_SCRN_VTYLOCK) { sc_bell(sc->cur_scp, sc->cur_scp->bell_pitch, sc->cur_scp->bell_duration); return EPERM; } /* delay switch if the screen is blanked or being updated */ if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress || sc->blink_in_progress || sc->videoio_in_progress) { sc->delayed_next_scr = next_scr + 1; sc_touch_scrn_saver(); DPRINTF(5, ("switch delayed\n")); return 0; } s = spltty(); cur_scp = sc->cur_scp; /* we are in the middle of the vty switching process... */ if (sc->switch_in_progress && (cur_scp->smode.mode == VT_PROCESS) && cur_scp->proc) { p = pfind(cur_scp->pid); if (cur_scp->proc != p) { if (p) PROC_UNLOCK(p); /* * The controlling process has died!!. Do some clean up. * NOTE:`cur_scp->proc' and `cur_scp->smode.mode' * are not reset here yet; they will be cleared later. */ DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp->pid)); if (cur_scp->status & SWITCH_WAIT_REL) { /* * Force the previous switch to finish, but return now * with error. */ DPRINTF(5, ("reset WAIT_REL, ")); finish_vt_rel(cur_scp, TRUE, &s); splx(s); DPRINTF(5, ("finishing previous switch\n")); return EINVAL; } else if (cur_scp->status & SWITCH_WAIT_ACQ) { /* let's assume screen switch has been completed. */ DPRINTF(5, ("reset WAIT_ACQ, ")); finish_vt_acq(cur_scp); } else { /* * We are in between screen release and acquisition, and * reached here via scgetc() or scrn_timer() which has * interrupted exchange_scr(). Don't do anything stupid. */ DPRINTF(5, ("waiting nothing, ")); } } else { if (p) PROC_UNLOCK(p); /* * The controlling process is alive, but not responding... * It is either buggy or it may be just taking time. * The following code is a gross kludge to cope with this * problem for which there is no clean solution. XXX */ if (cur_scp->status & SWITCH_WAIT_REL) { switch (sc->switch_in_progress++) { case 1: break; case 2: DPRINTF(5, ("sending relsig again, ")); signal_vt_rel(cur_scp); break; case 3: break; case 4: default: /* * Act as if the controlling program returned * VT_FALSE. */ DPRINTF(5, ("force reset WAIT_REL, ")); finish_vt_rel(cur_scp, FALSE, &s); splx(s); DPRINTF(5, ("act as if VT_FALSE was seen\n")); return EINVAL; } } else if (cur_scp->status & SWITCH_WAIT_ACQ) { switch (sc->switch_in_progress++) { case 1: break; case 2: DPRINTF(5, ("sending acqsig again, ")); signal_vt_acq(cur_scp); break; case 3: break; case 4: default: /* clear the flag and finish the previous switch */ DPRINTF(5, ("force reset WAIT_ACQ, ")); finish_vt_acq(cur_scp); break; } } } } /* * Return error if an invalid argument is given, or vty switch * is still in progress. */ if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys) || sc->switch_in_progress) { splx(s); sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); DPRINTF(5, ("error 1\n")); return EINVAL; } /* * Don't allow switching away from the graphics mode vty * if the switch mode is VT_AUTO, unless the next vty is the same * as the current or the current vty has been closed (but showing). */ tp = VIRTUAL_TTY(sc, cur_scp->index); if ((cur_scp->index != next_scr) && ISTTYOPEN(tp) && (cur_scp->smode.mode == VT_AUTO) && ISGRAPHSC(cur_scp)) { splx(s); sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); DPRINTF(5, ("error, graphics mode\n")); return EINVAL; } /* * Is the wanted vty open? Don't allow switching to a closed vty. * If we are in DDB, don't switch to a vty in the VT_PROCESS mode. * Note that we always allow the user to switch to the kernel * console even if it is closed. */ if ((sc_console == NULL) || (next_scr != sc_console->index)) { tp = VIRTUAL_TTY(sc, next_scr); if (!ISTTYOPEN(tp)) { splx(s); sc_bell(cur_scp, bios_value.bell_pitch, BELL_DURATION); DPRINTF(5, ("error 2, requested vty isn't open!\n")); return EINVAL; } if ((debugger > 0) && (SC_STAT(tp->t_dev)->smode.mode == VT_PROCESS)) { splx(s); DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n")); return EINVAL; } } /* this is the start of vty switching process... */ ++sc->switch_in_progress; sc->delayed_next_scr = 0; sc->old_scp = cur_scp; sc->new_scp = SC_STAT(SC_DEV(sc, next_scr)); if (sc->new_scp == sc->old_scp) { sc->switch_in_progress = 0; /* * XXX wakeup() calls mtx_lock(&sched_lock) which will hang if * sched_lock is in an in-between state, e.g., when we stop at * a breakpoint at fork_exit. It has always been wrong to call * wakeup() when the debugger is active. In RELENG_4, wakeup() * is supposed to be locked by splhigh(), but the debugger may * be invoked at splhigh(). */ if (debugger == 0) wakeup(&sc->new_scp->smode); splx(s); DPRINTF(5, ("switch done (new == old)\n")); return 0; } /* has controlling process died? */ vt_proc_alive(sc->old_scp); vt_proc_alive(sc->new_scp); /* wait for the controlling process to release the screen, if necessary */ if (signal_vt_rel(sc->old_scp)) { splx(s); return 0; } /* go set up the new vty screen */ splx(s); exchange_scr(sc); s = spltty(); /* wake up processes waiting for this vty */ if (debugger == 0) wakeup(&sc->cur_scp->smode); /* wait for the controlling process to acknowledge, if necessary */ if (signal_vt_acq(sc->cur_scp)) { splx(s); return 0; } sc->switch_in_progress = 0; if (sc->unit == sc_console_unit) cons_unavail = FALSE; splx(s); DPRINTF(5, ("switch done\n")); return 0; } static int do_switch_scr(sc_softc_t *sc, int s) { vt_proc_alive(sc->new_scp); splx(s); exchange_scr(sc); s = spltty(); /* sc->cur_scp == sc->new_scp */ wakeup(&sc->cur_scp->smode); /* wait for the controlling process to acknowledge, if necessary */ if (!signal_vt_acq(sc->cur_scp)) { sc->switch_in_progress = 0; if (sc->unit == sc_console_unit) cons_unavail = FALSE; } return s; } static int vt_proc_alive(scr_stat *scp) { struct proc *p; if (scp->proc) { if ((p = pfind(scp->pid)) != NULL) PROC_UNLOCK(p); if (scp->proc == p) return TRUE; scp->proc = NULL; scp->smode.mode = VT_AUTO; DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); } return FALSE; } static int signal_vt_rel(scr_stat *scp) { if (scp->smode.mode != VT_PROCESS) return FALSE; scp->status |= SWITCH_WAIT_REL; PROC_LOCK(scp->proc); psignal(scp->proc, scp->smode.relsig); PROC_UNLOCK(scp->proc); DPRINTF(5, ("sending relsig to %d\n", scp->pid)); return TRUE; } static int signal_vt_acq(scr_stat *scp) { if (scp->smode.mode != VT_PROCESS) return FALSE; if (scp->sc->unit == sc_console_unit) cons_unavail = TRUE; scp->status |= SWITCH_WAIT_ACQ; PROC_LOCK(scp->proc); psignal(scp->proc, scp->smode.acqsig); PROC_UNLOCK(scp->proc); DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); return TRUE; } static int finish_vt_rel(scr_stat *scp, int release, int *s) { if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { scp->status &= ~SWITCH_WAIT_REL; if (release) *s = do_switch_scr(scp->sc, *s); else scp->sc->switch_in_progress = 0; return 0; } return EINVAL; } static int finish_vt_acq(scr_stat *scp) { if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { scp->status &= ~SWITCH_WAIT_ACQ; scp->sc->switch_in_progress = 0; return 0; } return EINVAL; } static void exchange_scr(sc_softc_t *sc) { scr_stat *scp; /* save the current state of video and keyboard */ sc_move_cursor(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos); if (!ISGRAPHSC(sc->old_scp)) sc_remove_cursor_image(sc->old_scp); if (sc->old_scp->kbd_mode == K_XLATE) save_kbd_state(sc->old_scp); /* set up the video for the new screen */ scp = sc->cur_scp = sc->new_scp; if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp)) set_mode(scp); else sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, (void *)sc->adp->va_window, FALSE); scp->status |= MOUSE_HIDDEN; sc_move_cursor(scp, scp->xpos, scp->ypos); if (!ISGRAPHSC(scp)) sc_set_cursor_image(scp); #ifndef SC_NO_PALETTE_LOADING if (ISGRAPHSC(sc->old_scp)) load_palette(sc->adp, sc->palette); #endif sc_set_border(scp, scp->border); /* set up the keyboard for the new screen */ if (sc->old_scp->kbd_mode != scp->kbd_mode) kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); update_kbd_state(scp, scp->status, LOCK_MASK); mark_all(scp); } void sc_puts(scr_stat *scp, u_char *buf, int len) { #ifdef DEV_SPLASH /* make screensaver happy */ if (!sticky_splash && scp == scp->sc->cur_scp && !sc_saver_keyb_only) run_scrn_saver = FALSE; #endif if (scp->tsw) (*scp->tsw->te_puts)(scp, buf, len); if (scp->sc->delayed_next_scr) sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); } void sc_draw_cursor_image(scr_stat *scp) { /* assert(scp == scp->sc->cur_scp); */ ++scp->sc->videoio_in_progress; (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, scp->curs_attr.flags & CONS_BLINK_CURSOR, TRUE, sc_inside_cutmark(scp, scp->cursor_pos)); scp->cursor_oldpos = scp->cursor_pos; --scp->sc->videoio_in_progress; } void sc_remove_cursor_image(scr_stat *scp) { /* assert(scp == scp->sc->cur_scp); */ ++scp->sc->videoio_in_progress; (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, scp->curs_attr.flags & CONS_BLINK_CURSOR, FALSE, sc_inside_cutmark(scp, scp->cursor_oldpos)); --scp->sc->videoio_in_progress; } static void update_cursor_image(scr_stat *scp) { /* assert(scp == scp->sc->cur_scp); */ sc_remove_cursor_image(scp); sc_set_cursor_image(scp); sc_draw_cursor_image(scp); } void sc_set_cursor_image(scr_stat *scp) { scp->curs_attr.flags = scp->curr_curs_attr.flags; if (scp->curs_attr.flags & CONS_HIDDEN_CURSOR) { /* hidden cursor is internally represented as zero-height underline */ scp->curs_attr.flags = CONS_CHAR_CURSOR; scp->curs_attr.base = scp->curs_attr.height = 0; } else if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { scp->curs_attr.base = imin(scp->curr_curs_attr.base, scp->font_size - 1); scp->curs_attr.height = imin(scp->curr_curs_attr.height, scp->font_size - scp->curs_attr.base); } else { /* block cursor */ scp->curs_attr.base = 0; scp->curs_attr.height = scp->font_size; } /* assert(scp == scp->sc->cur_scp); */ ++scp->sc->videoio_in_progress; (*scp->rndr->set_cursor)(scp, scp->curs_attr.base, scp->curs_attr.height, scp->curs_attr.flags & CONS_BLINK_CURSOR); --scp->sc->videoio_in_progress; } static void change_cursor_shape(scr_stat *scp, int flags, int base, int height) { if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) sc_remove_cursor_image(scp); if (base >= 0) scp->curr_curs_attr.base = base; if (height >= 0) scp->curr_curs_attr.height = height; if (flags & CONS_RESET_CURSOR) scp->curr_curs_attr = scp->dflt_curs_attr; else scp->curr_curs_attr.flags = flags & CONS_CURSOR_ATTRS; if ((scp == scp->sc->cur_scp) && !ISGRAPHSC(scp)) { sc_set_cursor_image(scp); sc_draw_cursor_image(scp); } } void sc_change_cursor_shape(scr_stat *scp, int flags, int base, int height) { sc_softc_t *sc; dev_t dev; int s; int i; s = spltty(); if ((flags != -1) && (flags & CONS_LOCAL_CURSOR)) { /* local (per vty) change */ change_cursor_shape(scp, flags, base, height); splx(s); return; } /* global change */ sc = scp->sc; if (base >= 0) sc->curs_attr.base = base; if (height >= 0) sc->curs_attr.height = height; if (flags != -1) { if (flags & CONS_RESET_CURSOR) sc->curs_attr = sc->dflt_curs_attr; else sc->curs_attr.flags = flags & CONS_CURSOR_ATTRS; } for (i = sc->first_vty; i < sc->first_vty + sc->vtys; ++i) { if ((dev = SC_DEV(sc, i)) == NODEV) continue; if ((scp = SC_STAT(dev)) == NULL) continue; scp->dflt_curs_attr = sc->curs_attr; change_cursor_shape(scp, CONS_RESET_CURSOR, -1, -1); } splx(s); } static void scinit(int unit, int flags) { /* * When syscons is being initialized as the kernel console, malloc() * is not yet functional, because various kernel structures has not been * fully initialized yet. Therefore, we need to declare the following * static buffers for the console. This is less than ideal, * but is necessry evil for the time being. XXX */ static scr_stat main_console; static dev_t main_devs[MAXCONS]; static struct tty main_tty; static u_short sc_buffer[ROW*COL]; /* XXX */ #ifndef SC_NO_FONT_LOADING static u_char font_8[256*8]; static u_char font_14[256*14]; static u_char font_16[256*16]; #endif sc_softc_t *sc; scr_stat *scp; video_adapter_t *adp; int col; int row; int i; /* one time initialization */ if (init_done == COLD) sc_get_bios_values(&bios_value); init_done = WARM; /* * Allocate resources. Even if we are being called for the second * time, we must allocate them again, because they might have * disappeared... */ sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); adp = NULL; if (sc->adapter >= 0) { vid_release(sc->adp, (void *)&sc->adapter); adp = sc->adp; sc->adp = NULL; } if (sc->keyboard >= 0) { DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard)); i = kbd_release(sc->kbd, (void *)&sc->keyboard); DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i)); if (sc->kbd != NULL) { DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n", unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); } sc->kbd = NULL; } sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); sc->adp = vid_get_adapter(sc->adapter); /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard)); sc->kbd = kbd_get_keyboard(sc->keyboard); if (sc->kbd != NULL) { DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n", unit, sc->kbd->kb_index, sc->kbd->kb_unit, sc->kbd->kb_flags)); } if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) { sc->initial_mode = sc->adp->va_initial_mode; #ifndef SC_NO_FONT_LOADING if (flags & SC_KERNEL_CONSOLE) { sc->font_8 = font_8; sc->font_14 = font_14; sc->font_16 = font_16; } else if (sc->font_8 == NULL) { /* assert(sc_malloc) */ sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK); sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK); sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK); } #endif /* extract the hardware cursor location and hide the cursor for now */ (*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row); (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1); /* set up the first console */ sc->first_vty = unit*MAXCONS; sc->vtys = MAXCONS; /* XXX: should be configurable */ if (flags & SC_KERNEL_CONSOLE) { sc->dev = main_devs; sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); sc->dev[0]->si_tty = &main_tty; ttyregister(&main_tty); scp = &main_console; init_scp(sc, sc->first_vty, scp); sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize, (void *)sc_buffer, FALSE); if (sc_init_emulator(scp, SC_DFLT_TERM)) sc_init_emulator(scp, "*"); (*scp->tsw->te_default_attr)(scp, kernel_default.std_color, kernel_default.rev_color); } else { /* assert(sc_malloc) */ sc->dev = malloc(sizeof(dev_t)*sc->vtys, M_DEVBUF, M_WAITOK|M_ZERO); sc->dev[0] = makedev(CDEV_MAJOR, unit*MAXCONS); sc->dev[0]->si_tty = ttymalloc(sc->dev[0]->si_tty); scp = alloc_scp(sc, sc->first_vty); } SC_STAT(sc->dev[0]) = scp; sc->cur_scp = scp; /* copy screen to temporary buffer */ sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, (void *)scp->sc->adp->va_window, FALSE); if (ISTEXTSC(scp)) sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize); /* move cursors to the initial positions */ if (col >= scp->xsize) col = 0; if (row >= scp->ysize) row = scp->ysize - 1; scp->xpos = col; scp->ypos = row; scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; if (bios_value.cursor_end < scp->font_size) sc->dflt_curs_attr.base = scp->font_size - bios_value.cursor_end - 1; else sc->dflt_curs_attr.base = 0; i = bios_value.cursor_end - bios_value.cursor_start + 1; sc->dflt_curs_attr.height = imin(i, scp->font_size); sc->dflt_curs_attr.flags = 0; sc->curs_attr = sc->dflt_curs_attr; scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; #ifndef SC_NO_SYSMOUSE sc_mouse_move(scp, scp->xpixel/2, scp->ypixel/2); #endif if (!ISGRAPHSC(scp)) { sc_set_cursor_image(scp); sc_draw_cursor_image(scp); } /* save font and palette */ #ifndef SC_NO_FONT_LOADING sc->fonts_loaded = 0; if (ISFONTAVAIL(sc->adp->va_flags)) { #ifdef SC_DFLT_FONT bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8)); bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14)); bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16)); sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8; if (scp->font_size < 14) { sc_load_font(scp, 0, 8, sc->font_8, 0, 256); } else if (scp->font_size >= 16) { sc_load_font(scp, 0, 16, sc->font_16, 0, 256); } else { sc_load_font(scp, 0, 14, sc->font_14, 0, 256); } #else /* !SC_DFLT_FONT */ if (scp->font_size < 14) { sc_save_font(scp, 0, 8, sc->font_8, 0, 256); sc->fonts_loaded = FONT_8; } else if (scp->font_size >= 16) { sc_save_font(scp, 0, 16, sc->font_16, 0, 256); sc->fonts_loaded = FONT_16; } else { sc_save_font(scp, 0, 14, sc->font_14, 0, 256); sc->fonts_loaded = FONT_14; } #endif /* SC_DFLT_FONT */ /* FONT KLUDGE: always use the font page #0. XXX */ sc_show_font(scp, 0); } #endif /* !SC_NO_FONT_LOADING */ #ifndef SC_NO_PALETTE_LOADING save_palette(sc->adp, sc->palette); #endif #ifdef DEV_SPLASH if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) { /* we are ready to put up the splash image! */ splash_init(sc->adp, scsplash_callback, sc); sc->flags |= SC_SPLASH_SCRN; } #endif } /* the rest is not necessary, if we have done it once */ if (sc->flags & SC_INIT_DONE) return; /* initialize mapscrn arrays to a one to one map */ for (i = 0; i < sizeof(sc->scr_map); i++) sc->scr_map[i] = sc->scr_rmap[i] = i; sc->flags |= SC_INIT_DONE; } #if __i386__ || __ia64__ || __amd64__ static void scterm(int unit, int flags) { sc_softc_t *sc; scr_stat *scp; sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE); if (sc == NULL) return; /* shouldn't happen */ #ifdef DEV_SPLASH /* this console is no longer available for the splash screen */ if (sc->flags & SC_SPLASH_SCRN) { splash_term(sc->adp); sc->flags &= ~SC_SPLASH_SCRN; } #endif #if 0 /* XXX */ /* move the hardware cursor to the upper-left corner */ (*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0); #endif /* release the keyboard and the video card */ if (sc->keyboard >= 0) kbd_release(sc->kbd, &sc->keyboard); if (sc->adapter >= 0) vid_release(sc->adp, &sc->adapter); /* stop the terminal emulator, if any */ scp = SC_STAT(sc->dev[0]); if (scp->tsw) (*scp->tsw->te_term)(scp, &scp->ts); if (scp->ts != NULL) free(scp->ts, M_DEVBUF); /* clear the structure */ if (!(flags & SC_KERNEL_CONSOLE)) { /* XXX: We need delete_dev() for this */ free(sc->dev, M_DEVBUF); #if 0 /* XXX: We need a ttyunregister for this */ free(sc->tty, M_DEVBUF); #endif #ifndef SC_NO_FONT_LOADING free(sc->font_8, M_DEVBUF); free(sc->font_14, M_DEVBUF); free(sc->font_16, M_DEVBUF); #endif /* XXX vtb, history */ } bzero(sc, sizeof(*sc)); sc->keyboard = -1; sc->adapter = -1; } #endif /* __i386__ || __ia64__ || __amd64__ */ static void scshutdown(void *arg, int howto) { /* assert(sc_console != NULL) */ sc_touch_scrn_saver(); if (!cold && sc_console && sc_console->sc->cur_scp->smode.mode == VT_AUTO && sc_console->smode.mode == VT_AUTO) sc_switch_scr(sc_console->sc, sc_console->index); shutdown_in_progress = TRUE; } int sc_clean_up(scr_stat *scp) { #ifdef DEV_SPLASH int error; #endif if (scp->sc->flags & SC_SCRN_BLANKED) { sc_touch_scrn_saver(); #ifdef DEV_SPLASH if ((error = wait_scrn_saver_stop(scp->sc))) return error; #endif } scp->status |= MOUSE_HIDDEN; sc_remove_mouse_image(scp); sc_remove_cutmarking(scp); return 0; } void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) { sc_vtb_t new; sc_vtb_t old; old = scp->vtb; sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait); if (!discard && (old.vtb_flags & VTB_VALID)) { /* retain the current cursor position and buffer contants */ scp->cursor_oldpos = scp->cursor_pos; /* * This works only if the old buffer has the same size as or larger * than the new one. XXX */ sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize); scp->vtb = new; } else { scp->vtb = new; sc_vtb_destroy(&old); } #ifndef SC_NO_SYSMOUSE /* move the mouse cursor at the center of the screen */ sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2); #endif } static scr_stat *alloc_scp(sc_softc_t *sc, int vty) { scr_stat *scp; /* assert(sc_malloc) */ scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); init_scp(sc, vty, scp); sc_alloc_scr_buffer(scp, TRUE, TRUE); if (sc_init_emulator(scp, SC_DFLT_TERM)) sc_init_emulator(scp, "*"); #ifndef SC_NO_CUTPASTE sc_alloc_cut_buffer(scp, TRUE); #endif #ifndef SC_NO_HISTORY sc_alloc_history_buffer(scp, 0, 0, TRUE); #endif return scp; } static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp) { video_info_t info; bzero(scp, sizeof(*scp)); scp->index = vty; scp->sc = sc; scp->status = 0; scp->mode = sc->initial_mode; (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); if (info.vi_flags & V_INFO_GRAPHICS) { scp->status |= GRAPHICS_MODE; scp->xpixel = info.vi_width; scp->ypixel = info.vi_height; scp->xsize = info.vi_width/info.vi_cwidth; scp->ysize = info.vi_height/info.vi_cheight; scp->font_size = 0; scp->font = NULL; } else { scp->xsize = info.vi_width; scp->ysize = info.vi_height; scp->xpixel = scp->xsize*info.vi_cwidth; scp->ypixel = scp->ysize*info.vi_cheight; if (info.vi_cheight < 14) { scp->font_size = 8; #ifndef SC_NO_FONT_LOADING scp->font = sc->font_8; #else scp->font = NULL; #endif } else if (info.vi_cheight >= 16) { scp->font_size = 16; #ifndef SC_NO_FONT_LOADING scp->font = sc->font_16; #else scp->font = NULL; #endif } else { scp->font_size = 14; #ifndef SC_NO_FONT_LOADING scp->font = sc->font_14; #else scp->font = NULL; #endif } } sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); scp->xoff = scp->yoff = 0; scp->xpos = scp->ypos = 0; scp->start = scp->xsize * scp->ysize - 1; scp->end = 0; scp->tsw = NULL; scp->ts = NULL; scp->rndr = NULL; scp->border = BG_BLACK; scp->curr_curs_attr = scp->dflt_curs_attr = sc->curs_attr; scp->mouse_cut_start = scp->xsize*scp->ysize; scp->mouse_cut_end = -1; scp->mouse_signal = 0; scp->mouse_pid = 0; scp->mouse_proc = NULL; scp->kbd_mode = K_XLATE; scp->bell_pitch = bios_value.bell_pitch; scp->bell_duration = BELL_DURATION; scp->status |= (bios_value.shift_state & NLKED); scp->status |= CURSOR_ENABLED | MOUSE_HIDDEN; scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; scp->history = NULL; scp->history_pos = 0; scp->history_size = 0; } int sc_init_emulator(scr_stat *scp, char *name) { sc_term_sw_t *sw; sc_rndr_sw_t *rndr; void *p; int error; if (name == NULL) /* if no name is given, use the current emulator */ sw = scp->tsw; else /* ...otherwise find the named emulator */ sw = sc_term_match(name); if (sw == NULL) return EINVAL; rndr = NULL; if (strcmp(sw->te_renderer, "*") != 0) { rndr = sc_render_match(scp, sw->te_renderer, scp->status & (GRAPHICS_MODE | PIXEL_MODE)); } if (rndr == NULL) { rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->status & (GRAPHICS_MODE | PIXEL_MODE)); if (rndr == NULL) return ENODEV; } if (sw == scp->tsw) { error = (*sw->te_init)(scp, &scp->ts, SC_TE_WARM_INIT); scp->rndr = rndr; sc_clear_screen(scp); /* assert(error == 0); */ return error; } if (sc_malloc && (sw->te_size > 0)) p = malloc(sw->te_size, M_DEVBUF, M_NOWAIT); else p = NULL; error = (*sw->te_init)(scp, &p, SC_TE_COLD_INIT); if (error) return error; if (scp->tsw) (*scp->tsw->te_term)(scp, &scp->ts); if (scp->ts != NULL) free(scp->ts, M_DEVBUF); scp->tsw = sw; scp->ts = p; scp->rndr = rndr; /* XXX */ (*sw->te_default_attr)(scp, user_default.std_color, user_default.rev_color); sc_clear_screen(scp); return 0; } /* * scgetc(flags) - get character from keyboard. * If flags & SCGETC_CN, then avoid harmful side effects. * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else * return NOKEY if there is nothing there. */ static u_int scgetc(sc_softc_t *sc, u_int flags) { scr_stat *scp; #ifndef SC_NO_HISTORY struct tty *tp; #endif u_int c; int this_scr; int f; int i; if (sc->kbd == NULL) return NOKEY; next_code: #if 1 /* I don't like this, but... XXX */ if (flags & SCGETC_CN) sccnupdate(sc->cur_scp); #endif scp = sc->cur_scp; /* first see if there is something in the keyboard port */ for (;;) { c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK)); if (c == ERRKEY) { if (!(flags & SCGETC_CN)) sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); } else if (c == NOKEY) return c; else break; } /* make screensaver happy */ if (!(c & RELKEY)) sc_touch_scrn_saver(); if (!(flags & SCGETC_CN)) random_harvest(&c, sizeof(c), 1, 0, RANDOM_KEYBOARD); if (scp->kbd_mode != K_XLATE) return KEYCHAR(c); /* if scroll-lock pressed allow history browsing */ if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) { scp->status &= ~CURSOR_ENABLED; sc_remove_cursor_image(scp); #ifndef SC_NO_HISTORY if (!(scp->status & BUFFER_SAVED)) { scp->status |= BUFFER_SAVED; sc_hist_save(scp); } switch (c) { /* FIXME: key codes */ case SPCLKEY | FKEY | F(49): /* home key */ sc_remove_cutmarking(scp); sc_hist_home(scp); goto next_code; case SPCLKEY | FKEY | F(57): /* end key */ sc_remove_cutmarking(scp); sc_hist_end(scp); goto next_code; case SPCLKEY | FKEY | F(50): /* up arrow key */ sc_remove_cutmarking(scp); if (sc_hist_up_line(scp)) if (!(flags & SCGETC_CN)) sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); goto next_code; case SPCLKEY | FKEY | F(58): /* down arrow key */ sc_remove_cutmarking(scp); if (sc_hist_down_line(scp)) if (!(flags & SCGETC_CN)) sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); goto next_code; case SPCLKEY | FKEY | F(51): /* page up key */ sc_remove_cutmarking(scp); for (i=0; iysize; i++) if (sc_hist_up_line(scp)) { if (!(flags & SCGETC_CN)) sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); break; } goto next_code; case SPCLKEY | FKEY | F(59): /* page down key */ sc_remove_cutmarking(scp); for (i=0; iysize; i++) if (sc_hist_down_line(scp)) { if (!(flags & SCGETC_CN)) sc_bell(scp, bios_value.bell_pitch, BELL_DURATION); break; } goto next_code; } #endif /* SC_NO_HISTORY */ } /* * Process and consume special keys here. Return a plain char code * or a char code with the META flag or a function key code. */ if (c & RELKEY) { /* key released */ /* goto next_code */ } else { /* key pressed */ if (c & SPCLKEY) { c &= ~SPCLKEY; switch (KEYCHAR(c)) { /* LOCKING KEYS */ case NLK: case CLK: case ALK: break; case SLK: kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f); if (f & SLKED) { scp->status |= SLKED; } else { if (scp->status & SLKED) { scp->status &= ~SLKED; #ifndef SC_NO_HISTORY if (scp->status & BUFFER_SAVED) { if (!sc_hist_restore(scp)) sc_remove_cutmarking(scp); scp->status &= ~BUFFER_SAVED; scp->status |= CURSOR_ENABLED; sc_draw_cursor_image(scp); } tp = VIRTUAL_TTY(sc, scp->index); if (ISTTYOPEN(tp)) scstart(tp); #endif } } break; case PASTE: #ifndef SC_NO_CUTPASTE sc_mouse_paste(scp); #endif break; /* NON-LOCKING KEYS */ case NOP: case LSH: case RSH: case LCTR: case RCTR: case LALT: case RALT: case ASH: case META: break; case BTAB: if (!(sc->flags & SC_SCRN_BLANKED)) return c; break; case SPSC: #ifdef DEV_SPLASH /* force activatation/deactivation of the screen saver */ if (!(sc->flags & SC_SCRN_BLANKED)) { run_scrn_saver = TRUE; sc->scrn_time_stamp -= scrn_blank_time; } if (cold) { /* * While devices are being probed, the screen saver need * to be invoked explictly. XXX */ if (sc->flags & SC_SCRN_BLANKED) { scsplash_stick(FALSE); stop_scrn_saver(sc, current_saver); } else { if (!ISGRAPHSC(scp)) { scsplash_stick(TRUE); (*current_saver)(sc, TRUE); } } } #endif /* DEV_SPLASH */ break; case RBT: #ifndef SC_DISABLE_REBOOT shutdown_nice(0); #endif break; case HALT: #ifndef SC_DISABLE_REBOOT shutdown_nice(RB_HALT); #endif break; case PDWN: #ifndef SC_DISABLE_REBOOT shutdown_nice(RB_HALT|RB_POWEROFF); #endif break; case SUSP: power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); break; case STBY: power_pm_suspend(POWER_SLEEP_STATE_STANDBY); break; case DBG: #ifndef SC_DISABLE_DDBKEY #ifdef DDB Debugger("manual escape to debugger"); #else printf("No debugger in kernel\n"); #endif #else /* SC_DISABLE_DDBKEY */ /* do nothing */ #endif /* SC_DISABLE_DDBKEY */ break; case PNC: if (enable_panic_key) panic("Forced by the panic key"); break; case NEXT: this_scr = scp->index; for (i = (this_scr - sc->first_vty + 1)%sc->vtys; sc->first_vty + i != this_scr; i = (i + 1)%sc->vtys) { struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); if (ISTTYOPEN(tp)) { sc_switch_scr(scp->sc, sc->first_vty + i); break; } } break; case PREV: this_scr = scp->index; for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys; sc->first_vty + i != this_scr; i = (i + sc->vtys - 1)%sc->vtys) { struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i); if (ISTTYOPEN(tp)) { sc_switch_scr(scp->sc, sc->first_vty + i); break; } } break; default: if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); break; } /* assert(c & FKEY) */ if (!(sc->flags & SC_SCRN_BLANKED)) return c; break; } /* goto next_code */ } else { /* regular keys (maybe MKEY is set) */ if (!(sc->flags & SC_SCRN_BLANKED)) return c; } } goto next_code; } static int scmmap(dev_t dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot) { scr_stat *scp; scp = SC_STAT(dev); if (scp != scp->sc->cur_scp) return -1; return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, paddr, nprot); } static int save_kbd_state(scr_stat *scp) { int state; int error; error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); if (error == ENOIOCTL) error = ENODEV; if (error == 0) { scp->status &= ~LOCK_MASK; scp->status |= state; } return error; } static int update_kbd_state(scr_stat *scp, int new_bits, int mask) { int state; int error; if (mask != LOCK_MASK) { error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); if (error == ENOIOCTL) error = ENODEV; if (error) return error; state &= ~mask; state |= new_bits & mask; } else { state = new_bits & LOCK_MASK; } error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); if (error == ENOIOCTL) error = ENODEV; return error; } static int update_kbd_leds(scr_stat *scp, int which) { int error; which &= LOCK_MASK; error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which); if (error == ENOIOCTL) error = ENODEV; return error; } int set_mode(scr_stat *scp) { video_info_t info; /* reject unsupported mode */ if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) return 1; /* if this vty is not currently showing, do nothing */ if (scp != scp->sc->cur_scp) return 0; /* setup video hardware for the given mode */ (*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode); sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, (void *)scp->sc->adp->va_window, FALSE); #ifndef SC_NO_FONT_LOADING /* load appropriate font */ if (!(scp->status & GRAPHICS_MODE)) { if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) { if (scp->font_size < 14) { if (scp->sc->fonts_loaded & FONT_8) sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); } else if (scp->font_size >= 16) { if (scp->sc->fonts_loaded & FONT_16) sc_load_font(scp, 0, 16, scp->sc->font_16, 0, 256); } else { if (scp->sc->fonts_loaded & FONT_14) sc_load_font(scp, 0, 14, scp->sc->font_14, 0, 256); } /* * FONT KLUDGE: * This is an interim kludge to display correct font. * Always use the font page #0 on the video plane 2. * Somehow we cannot show the font in other font pages on * some video cards... XXX */ sc_show_font(scp, 0); } mark_all(scp); } #endif /* !SC_NO_FONT_LOADING */ sc_set_border(scp, scp->border); sc_set_cursor_image(scp); return 0; } void sc_set_border(scr_stat *scp, int color) { ++scp->sc->videoio_in_progress; (*scp->rndr->draw_border)(scp, color); --scp->sc->videoio_in_progress; } #ifndef SC_NO_FONT_LOADING void sc_load_font(scr_stat *scp, int page, int size, u_char *buf, int base, int count) { sc_softc_t *sc; sc = scp->sc; sc->font_loading_in_progress = TRUE; (*vidsw[sc->adapter]->load_font)(sc->adp, page, size, buf, base, count); sc->font_loading_in_progress = FALSE; } void sc_save_font(scr_stat *scp, int page, int size, u_char *buf, int base, int count) { sc_softc_t *sc; sc = scp->sc; sc->font_loading_in_progress = TRUE; (*vidsw[sc->adapter]->save_font)(sc->adp, page, size, buf, base, count); sc->font_loading_in_progress = FALSE; } void sc_show_font(scr_stat *scp, int page) { (*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, page); } #endif /* !SC_NO_FONT_LOADING */ void sc_paste(scr_stat *scp, u_char *p, int count) { struct tty *tp; u_char *rmap; tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); if (!ISTTYOPEN(tp)) return; rmap = scp->sc->scr_rmap; for (; count > 0; --count) (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); } void sc_bell(scr_stat *scp, int pitch, int duration) { if (cold || shutdown_in_progress || !enable_bell) return; if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL)) return; if (scp->sc->flags & SC_VISUAL_BELL) { if (scp->sc->blink_in_progress) return; scp->sc->blink_in_progress = 3; if (scp != scp->sc->cur_scp) scp->sc->blink_in_progress += 2; blink_screen(scp->sc->cur_scp); } else if (duration != 0 && pitch != 0) { if (scp != scp->sc->cur_scp) pitch *= 2; sysbeep(pitch, duration); } } static void blink_screen(void *arg) { scr_stat *scp = arg; struct tty *tp; if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { scp->sc->blink_in_progress = 0; mark_all(scp); tp = VIRTUAL_TTY(scp->sc, scp->index); if (ISTTYOPEN(tp)) scstart(tp); if (scp->sc->delayed_next_scr) sc_switch_scr(scp->sc, scp->sc->delayed_next_scr - 1); } else { (*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize, scp->sc->blink_in_progress & 1); scp->sc->blink_in_progress--; timeout(blink_screen, scp, hz / 10); } }