/*- * Copyright (c) 1992-1998 Søren Schmidt * All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Sascha Wildner * * Simple font scaling code by Sascha Wildner and Matthew Dillon * * 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: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $ */ #include "use_splash.h" #include "opt_syscons.h" #include "opt_ddb.h" #include #include #include #include #include #include #include #include #include #include #include #include /* for TTYDEF_* */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "syscons.h" #define COLD 0 #define WARM 1 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */ #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */ #define SCRN_ASYNCOK 0x0001 #define SCRN_BULKUNLOCK 0x0002 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */ #define WANT_UNLOCK(m) do { \ if (m) \ syscons_unlock(); \ } while (0) #define WANT_LOCK(m) do { \ if (m) \ syscons_lock(); \ } while(0) MALLOC_DEFINE(M_SYSCONS, "syscons", "Syscons"); 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 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 char sc_filled_border = FALSE; /* filled initial VT border */ static int saver_mode = CONS_NO_SAVER; /* LKM/user saver */ static int run_scrn_saver = FALSE; /* should run the saver? */ static long scrn_blank_time = 0; /* screen saver timeout value */ #if NSPLASH > 0 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 /* * Lock for asynchronous screen update thread, needed to safely modify the * framebuffer information. */ static struct lock sc_asynctd_lk; #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT) #include "font.h" #endif 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, "Enable the panic key (CTRL-ALT-SHIFT-ESC)"); static int syscons_async; SYSCTL_INT(_kern, OID_AUTO, syscons_async, CTLFLAG_RW, &syscons_async, 0, "Asynchronous bulk syscons fb updates"); static int desired_cols = 0; TUNABLE_INT("kern.kms_columns", &desired_cols); #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; static cdev_t cctl_dev; static timeout_t blink_screen_callout; static void sc_blink_screen(scr_stat *scp); static struct mtx syscons_mtx = MTX_INITIALIZER("syscons"); static struct lock syscons_blink_lk = LOCK_INITIALIZER("sblnk", 0, 0); /* 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(cdev_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 0 static void scterm(int unit, int flags); #endif static void scshutdown(void *arg, int howto); static void sc_puts(scr_stat *scp, u_char *buf, int len); 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, int flags); static void scrn_update_thread(void *arg); static void sc_fb_set_par(void *context, int pending); #if NSPLASH > 0 static void sc_fb_blank(void *context, int pending); #endif /* NSPLASH */ #if NSPLASH > 0 static void scframebuffer_saver(sc_softc_t *sc, int show); 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, int need_unlock); #define scsplash_stick(stick) (sticky_splash = (stick)) #else /* !NSPLASH */ #define scsplash_stick(stick) #endif /* NSPLASH */ static void do_switch_scr(sc_softc_t *sc); 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); 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 int save_kbd_state(scr_stat *scp, int unlock); static int update_kbd_state(scr_stat *scp, int state, int mask, int unlock); static int update_kbd_leds(scr_stat *scp, int which); static int sc_allocate_keyboard(sc_softc_t *sc, int unit); /* * Console locking support functions. * * We use mutex spinlocks here in order to allow reentrancy which should * avoid issues during panics. * * A panic can stop a cpu while it is holding the syscons_mtx. If this * occurs we try for up to 1/2 a second and then blow the spinlock away. * The asynchronous update thread makes this happen more often. */ static void syscons_lock(void) { if (panicstr || shutdown_in_progress) { int retries = 500000; while (mtx_spinlock_try(&syscons_mtx)) { tsc_delay(1000); /* 1uS */ if (--retries == 0) { mtx_init(&syscons_mtx, "syscons"); retries = 500000; } } } else { mtx_spinlock(&syscons_mtx); } } /* * Returns 0 on success, EAGAIN on failure. */ static int syscons_lock_nonblock(void) { return(mtx_spinlock_try(&syscons_mtx)); } static void syscons_unlock(void) { mtx_spinunlock(&syscons_mtx); } /* * Console driver */ static cn_probe_t sccnprobe; static cn_init_t sccninit; static cn_init_t sccninit_fini; 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; static cn_poll_t sccnpoll; CONS_DRIVER(sc, sccnprobe, sccninit, sccninit_fini, sccnterm, sccngetc, sccncheckc, sccnputc, sccndbctl, sccnpoll); 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 dev_ops sc_ops = { { "sc", 0, D_TTY | D_MPSAFE }, .d_open = scopen, .d_close = scclose, .d_read = scread, .d_write = ttywrite, .d_ioctl = scioctl, .d_mmap = scmmap, .d_kqfilter = ttykqfilter, .d_revoke = ttyrevoke }; int sc_probe_unit(int unit, int flags) { if ((flags & SC_EFI_FB) && (probe_efi_fb(0) != 0)) { if (bootverbose) kprintf("sc%d: no EFI framebuffer found.\n", unit); flags &= ~SC_EFI_FB; } if (!(flags & SC_EFI_FB) && !scvidprobe(unit, flags, FALSE)) { if (bootverbose) kprintf("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; } int register_framebuffer(struct fb_info *info) { sc_softc_t *sc; /* For now ignore framebuffers, which don't replace the vga display */ if (!info->is_vga_boot_display) return 0; lwkt_gettoken(&vga_token); sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); if (sc == NULL) { lwkt_reltoken(&vga_token); kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); return 0; } /* Ignore this framebuffer if we already switched to KMS framebuffer */ if (sc->fbi != NULL && sc->fbi != &efi_fb_info && sc->fbi != sc->dummy_fb_info) { lwkt_reltoken(&vga_token); return 0; } if (sc->fb_set_par_task == NULL) { sc->fb_set_par_task = kmalloc(sizeof(struct task), M_SYSCONS, M_WAITOK | M_ZERO); } TASK_INIT(sc->fb_set_par_task, 0, sc_fb_set_par, sc); #if NSPLASH > 0 if (sc->fb_blank_task == NULL) { sc->fb_blank_task = kmalloc(sizeof(struct task), M_SYSCONS, M_WAITOK | M_ZERO); } TASK_INIT(sc->fb_blank_task, 0, sc_fb_blank, sc); #endif /* NSPLASH */ /* * Make sure that console messages don't interfere too much with * modesetting. */ atomic_add_int(&sc->videoio_in_progress, 1); /* Lock against synchronous and asynchronous screen updates */ lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); syscons_lock(); sc->fbi = info; sc->fbi_generation++; syscons_unlock(); kprintf("kms console: xpixels %d ypixels %d\n", sc->fbi->width, sc->fbi->height); sc_update_render(sc->cur_scp); if (info->fbops.fb_set_par != NULL) info->fbops.fb_set_par(info); atomic_add_int(&sc->videoio_in_progress, -1); sc->fb_blanked = FALSE; if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode != VT_AUTO) cons_unavail = FALSE; #if NSPLASH > 0 if (info->fbops.fb_blank != NULL) add_scrn_saver(scframebuffer_saver); #endif /* NSPLASH */ lockmgr(&sc_asynctd_lk, LK_RELEASE); lwkt_reltoken(&vga_token); return 0; } void unregister_framebuffer(struct fb_info *info) { sc_softc_t *sc; lwkt_gettoken(&vga_token); sc = sc_get_softc(0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); if (sc == NULL) { lwkt_reltoken(&vga_token); kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__, 0, (sc_console_unit == 0) ? SC_KERNEL_CONSOLE : 0); return; } if (sc->fbi != info) { lwkt_reltoken(&vga_token); return; } #if NSPLASH > 0 if (info->fbops.fb_blank != NULL) remove_scrn_saver(scframebuffer_saver); #endif /* NSPLASH */ if (sc->fb_set_par_task != NULL && taskqueue_cancel(taskqueue_thread[0], sc->fb_set_par_task, NULL)) { taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); } #if NSPLASH > 0 if (sc->fb_blank_task != NULL && taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL)) { taskqueue_drain(taskqueue_thread[0], sc->fb_blank_task); } #endif /* NSPLASH */ sc->fb_blanked = TRUE; if (sc->unit == sc_console_unit) cons_unavail = TRUE; if (sc->dummy_fb_info == NULL) { sc->dummy_fb_info = kmalloc(sizeof(struct fb_info), M_SYSCONS, M_WAITOK | M_ZERO); } else { memset(sc->dummy_fb_info, 0, sizeof(struct fb_info)); } *sc->dummy_fb_info = *sc->fbi; sc->dummy_fb_info->vaddr = 0; sc->dummy_fb_info->fbops.fb_set_par = NULL; sc->dummy_fb_info->fbops.fb_blank = NULL; sc->dummy_fb_info->fbops.fb_debug_enter = NULL; /* Lock against synchronous and asynchronous screen updates */ lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); syscons_lock(); sc->fbi = sc->dummy_fb_info; syscons_unlock(); lockmgr(&sc_asynctd_lk, LK_RELEASE); lwkt_reltoken(&vga_token); } void sc_font_scale(scr_stat *scp, int max_cols, int max_rows) { int cols, rows; /* * If columns not specified in /boot/loader.conf then * calculate a non-fractional scaling that yields a * reasonable number of rows and columns. If it is <0, * don't scale at all. */ if (desired_cols == 0) { int nomag = 1; while (scp->xpixel / (scp->font_width * nomag) >= COL && scp->ypixel / (scp->font_height * nomag) >= ROW) { ++nomag; } if (nomag > 1) --nomag; cols = scp->xpixel / (scp->font_width * nomag); } else if (desired_cols < 0) { cols = scp->xpixel / scp->font_width; } else { cols = desired_cols; } scp->blk_width = scp->xpixel / cols; scp->blk_height = scp->blk_width * scp->font_height / scp->font_width; rows = scp->ypixel / scp->blk_height; /* scp->xsize = scp->xpixel / scp->blk_width; total possible */ scp->xsize = max_cols ? imin(max_cols, cols) : cols; scp->ysize = max_rows ? imin(max_rows, rows) : rows; } /* 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_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; int vc; cdev_t dev; flags &= ~SC_KERNEL_CONSOLE; char tbuf[MAKEDEV_MINNBUF]; if ((flags & SC_EFI_FB) && probe_efi_fb(0) != 0) flags &= ~SC_EFI_FB; 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 = kmalloc(sc_console->tsw->te_size, M_SYSCONS, 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); /* * If this is the console we couldn't setup sc->dev before because * malloc wasn't working. Set it up now. */ if (flags & SC_KERNEL_CONSOLE) { KKASSERT(sc->dev == NULL); sc->dev = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK|M_ZERO); sc->dev[0] = make_dev(&sc_ops, sc_console_unit*MAXCONS, UID_ROOT, GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, sc_console_unit * MAXCONS)); ttymalloc(&sc->dev[0]->si_tty); sc->dev[0]->si_drv1 = sc_console; } /* * Finish up the standard attach */ sc->config = flags; callout_init_mp(&sc->scrn_timer_ch); scp = SC_STAT(sc->dev[0]); if (sc_console == NULL) /* sc_console_unit < 0 */ sc_console = scp; /* 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, FALSE); kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n", unit, (sc->config & SC_EFI_FB) ? "EFI_FB" : adapter_name(sc->adp), sc->vtys, sc->config); if (bootverbose) { kprintf("sc%d:", unit); if (sc->adapter >= 0) kprintf(" fb%d", sc->adapter); if (sc->keyboard >= 0) kprintf(", kbd%d", sc->keyboard); if (scp->tsw) kprintf(", terminal emulator: %s (%s)", scp->tsw->te_name, scp->tsw->te_desc); kprintf("\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); /* * create devices. * * The first vty already has struct tty and scr_stat initialized * in scinit(). The other vtys will have these structs when * first opened. */ for (vc = 1; vc < sc->vtys; vc++) { dev = make_dev(&sc_ops, vc + unit * MAXCONS, UID_ROOT, GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, vc + unit * MAXCONS)); sc->dev[vc] = dev; } cctl_dev = make_dev(&sc_ops, SC_CONSOLECTL, UID_ROOT, GID_WHEEL, 0600, "consolectl"); cctl_dev->si_tty = ttymalloc(&sc_console_tty); cctl_dev->si_drv1 = 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, TRUE, FALSE); #ifndef SC_NO_CUTPASTE sc_alloc_cut_buffer(sc_console, TRUE); #endif #ifndef SC_NO_HISTORY /* initialize history buffer & pointers */ sc_alloc_history_buffer(sc_console, 0, 0, TRUE); #endif /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */ if (!sc_filled_border) { sc_filled_border = TRUE; sc_set_border(sc_console, sc_console->border); } } SYSINIT(sc_mem, SI_BOOT1_POST, SI_ORDER_ANY, scmeminit, NULL); static int scdevtounit(cdev_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(struct dev_open_args *ap) { cdev_t dev = ap->a_head.a_dev; int unit; sc_softc_t *sc; struct tty *tp; scr_stat *scp; keyarg_t key; int error; lwkt_gettoken(&vga_token); unit = scdevtounit(dev); 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) { lwkt_reltoken(&vga_token); return ENXIO; } tp = ttymalloc(&dev->si_tty); lwkt_gettoken(&tp->t_token); 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 && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) { lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return(EBUSY); } error = (*linesw[tp->t_line].l_open)(dev, tp); scp = SC_STAT(dev); if (scp == NULL) { scp = dev->si_drv1 = alloc_scp(sc, SC_VTY(dev)); syscons_lock(); if (ISGRAPHSC(scp)) sc_set_pixel_mode(scp, NULL, COL, ROW, 16); syscons_unlock(); } 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; } /* * Start optional support thread for syscons refreshes. This thread * will execute the refresh without the syscons_lock held and will * allow interrupts while it is doing so. */ if (scp->asynctd == NULL) { lwkt_create(scrn_update_thread, scp, &scp->asynctd, NULL, 0, -1, "syscons%d", SC_VTY(dev)); } lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return error; } static int scclose(struct dev_close_args *ap) { cdev_t dev = ap->a_head.a_dev; struct tty *tp = dev->si_tty; scr_stat *scp; lwkt_gettoken(&vga_token); lwkt_gettoken(&tp->t_token); 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)); if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit) && !scp->sc->fb_blanked) { cons_unavail = FALSE; } if (finish_vt_rel(scp, TRUE) == 0) /* force release */ DPRINTF(5, ("reset WAIT_REL, ")); if (finish_vt_acq(scp) == 0) /* force acknowledge */ DPRINTF(5, ("reset WAIT_ACQ, ")); syscons_lock(); #if 0 /* notyet */ 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; kfree(scp, M_SYSCONS); } #else scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; #endif scp->kbd_mode = K_XLATE; syscons_unlock(); if (scp == scp->sc->cur_scp) kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); DPRINTF(5, ("done.\n")); } (*linesw[tp->t_line].l_close)(tp, ap->a_fflag); ttyclose(tp); lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return(0); } static int scread(struct dev_read_args *ap) { int ret; lwkt_gettoken(&vga_token); sc_touch_scrn_saver(); ret = ttyread(ap); lwkt_reltoken(&vga_token); return ret; } 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; lwkt_gettoken(&vga_token); /* * WARNING: In early boot sc->dev may not be setup yet. */ sc = (sc_softc_t *)arg; /* assert(thiskbd == sc->kbd) */ switch (event) { case KBDIO_KEYINPUT: if (sc->kbd && sc->kbd->kb_flags & KB_POLLED) { lwkt_reltoken(&vga_token); return 0; } break; case KBDIO_UNLOADING: syscons_lock(); sc->kbd = NULL; sc->keyboard = -1; syscons_unlock(); kbd_release(thiskbd, (void *)&sc->keyboard); lwkt_reltoken(&vga_token); return 0; default: lwkt_reltoken(&vga_token); 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; } syscons_lock(); if ((*sc->cur_scp->tsw->te_input)(sc->cur_scp, c, cur_tty)) { syscons_unlock(); continue; } syscons_unlock(); lwkt_gettoken(&cur_tty->t_token); 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; } lwkt_reltoken(&cur_tty->t_token); } syscons_lock(); sc->cur_scp->status |= MOUSE_HIDDEN; syscons_unlock(); lwkt_reltoken(&vga_token); return 0; } static int scparam(struct tty *tp, struct termios *t) { lwkt_gettoken(&tp->t_token); tp->t_ispeed = t->c_ispeed; tp->t_ospeed = t->c_ospeed; tp->t_cflag = t->c_cflag; lwkt_reltoken(&tp->t_token); return 0; } static int scioctl(struct dev_ioctl_args *ap) { cdev_t dev = ap->a_head.a_dev; u_long cmd = ap->a_cmd; caddr_t data = ap->a_data; int flag = ap->a_fflag; int error; int i; struct tty *tp; sc_softc_t *sc; scr_stat *scp; lwkt_gettoken(&vga_token); tp = dev->si_tty; error = sc_vid_ioctl(tp, cmd, data, flag); if (error != ENOIOCTL) { lwkt_reltoken(&vga_token); return error; } #ifndef SC_NO_HISTORY error = sc_hist_ioctl(tp, cmd, data, flag); if (error != ENOIOCTL) { lwkt_reltoken(&vga_token); return error; } #endif #ifndef SC_NO_SYSMOUSE error = sc_mouse_ioctl(tp, cmd, data, flag); if (error != ENOIOCTL) { lwkt_reltoken(&vga_token); 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) { syscons_lock(); error = (*scp->tsw->te_ioctl)(scp, tp, cmd, data, flag); syscons_unlock(); if (error != ENOIOCTL) { lwkt_reltoken(&vga_token); 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 */ lwkt_reltoken(&vga_token); return ENOTTY; case GIO_COLOR: /* is this a color console ? */ if (sc->fbi != NULL) *(int *)data = 1; else *(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0; lwkt_reltoken(&vga_token); return 0; case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME) { lwkt_reltoken(&vga_token); return EINVAL; } syscons_lock(); scrn_blank_time = *(int *)data; run_scrn_saver = (scrn_blank_time != 0); syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case CONS_CURSORTYPE: /* set cursor type blink/noblink */ syscons_lock(); if (!ISGRAPHSC(sc->cur_scp)) sc_remove_cursor_image(sc->cur_scp); if ((*(int*)data) & 0x01) sc->flags |= SC_BLINK_CURSOR; else sc->flags &= ~SC_BLINK_CURSOR; if ((*(int*)data) & 0x02) { sc->flags |= SC_CHAR_CURSOR; } else sc->flags &= ~SC_CHAR_CURSOR; /* * The cursor shape is global property; all virtual consoles * are affected. Update the cursor in the current console... */ if (!ISGRAPHSC(sc->cur_scp)) { sc_set_cursor_image(sc->cur_scp); sc_draw_cursor_image(sc->cur_scp); } syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case CONS_BELLTYPE: /* set bell type sound/visual */ syscons_lock(); 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; syscons_unlock(); lwkt_reltoken(&vga_token); 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_height; ptr->mv_col = scp->xpos; ptr->mv_row = scp->ypos; ptr->mv_csz = scp->xsize; ptr->mv_rsz = scp->ysize; /* * 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, FALSE); ptr->mk_keylock = scp->status & LOCK_MASK; lwkt_reltoken(&vga_token); return 0; } lwkt_reltoken(&vga_token); return EINVAL; } case CONS_GETVERS: /* get version number */ *(int*)data = 0x200; /* version 2.0 */ lwkt_reltoken(&vga_token); 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)); lwkt_reltoken(&vga_token); return 0; case CONS_SAVERMODE: /* set saver mode */ switch(*(int *)data) { case CONS_NO_SAVER: case CONS_USR_SAVER: syscons_lock(); /* if a LKM screen saver is running, stop it first. */ scsplash_stick(FALSE); saver_mode = *(int *)data; #if NSPLASH > 0 if ((error = wait_scrn_saver_stop(NULL, TRUE))) { syscons_unlock(); lwkt_reltoken(&vga_token); return error; } #endif /* NSPLASH */ run_scrn_saver = TRUE; if (saver_mode == CONS_USR_SAVER) scp->status |= SAVER_RUNNING; else scp->status &= ~SAVER_RUNNING; scsplash_stick(TRUE); syscons_unlock(); break; case CONS_LKM_SAVER: syscons_lock(); if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING)) scp->status &= ~SAVER_RUNNING; saver_mode = *(int *)data; syscons_unlock(); break; default: lwkt_reltoken(&vga_token); return EINVAL; } lwkt_reltoken(&vga_token); 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... */ syscons_lock(); run_scrn_saver = (*(int *)data != 0); if (run_scrn_saver) sc->scrn_time_stamp -= scrn_blank_time; syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case CONS_SCRSHOT: /* get a screen shot */ { scrshot_t *ptr = (scrshot_t*)data; syscons_lock(); if (ISGRAPHSC(scp)) { syscons_unlock(); lwkt_reltoken(&vga_token); return EOPNOTSUPP; } if (scp->xsize != ptr->xsize || scp->ysize != ptr->ysize) { syscons_unlock(); lwkt_reltoken(&vga_token); return EINVAL; } syscons_unlock(); copyout ((void*)scp->vtb.vtb_buffer, ptr->buf, ptr->xsize * ptr->ysize * sizeof(uint16_t)); lwkt_reltoken(&vga_token); return 0; } case VT_SETMODE: /* set screen switcher mode */ { struct vt_mode *mode; mode = (struct vt_mode *)data; DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit)); if (scp->smode.mode == VT_PROCESS) { if (scp->proc == pfindn(scp->pid) && scp->proc != curproc) { DPRINTF(5, ("error EPERM\n")); lwkt_reltoken(&vga_token); return EPERM; } } syscons_lock(); 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) && !sc->fb_blanked) { cons_unavail = FALSE; } if (finish_vt_rel(scp, TRUE) == 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)) { syscons_unlock(); DPRINTF(5, ("error EINVAL\n")); lwkt_reltoken(&vga_token); return EINVAL; } DPRINTF(5, ("VT_PROCESS %d, ", curproc->p_pid)); bcopy(data, &scp->smode, sizeof(struct vt_mode)); scp->proc = curproc; scp->pid = scp->proc->p_pid; if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit)) cons_unavail = TRUE; } syscons_unlock(); DPRINTF(5, ("\n")); lwkt_reltoken(&vga_token); return 0; } case VT_GETMODE: /* get screen switcher mode */ bcopy(&scp->smode, data, sizeof(struct vt_mode)); lwkt_reltoken(&vga_token); return 0; case VT_RELDISP: /* screen switcher ioctl */ /* * This must be the current vty which is in the VT_PROCESS * switching mode... */ syscons_lock(); if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) { syscons_unlock(); lwkt_reltoken(&vga_token); return EINVAL; } /* ...and this process is controlling it. */ if (scp->proc != curproc) { syscons_unlock(); lwkt_reltoken(&vga_token); return EPERM; } error = EINVAL; switch(*(int *)data) { case VT_FALSE: /* user refuses to release screen, abort */ if ((error = finish_vt_rel(scp, FALSE)) == 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)) == 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)); syscons_unlock(); /* Wait for drm modesetting callback to finish. */ lwkt_reltoken(&vga_token); if (sc->fb_set_par_task != NULL) taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); return error; default: break; } syscons_unlock(); lwkt_reltoken(&vga_token); 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; lwkt_reltoken(&vga_token); return 0; } } lwkt_reltoken(&vga_token); return EINVAL; case VT_ACTIVATE: /* switch to screen *data */ i = (*(int *)data == 0) ? scp->index : (*(int *)data - 1); syscons_lock(); sc_clean_up(sc->cur_scp, TRUE); error = sc_switch_scr(sc, i); syscons_unlock(); lwkt_reltoken(&vga_token); return error; 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)) { lwkt_reltoken(&vga_token); return EINVAL; } syscons_lock(); error = sc_clean_up(sc->cur_scp, TRUE); syscons_unlock(); if (error) { lwkt_reltoken(&vga_token); return error; } /* * scp might be NULL, we aren't sure why. Check for NULL. * * http://bugs.dragonflybsd.org/issues/2481 */ scp = SC_STAT(SC_DEV(sc, i)); if (scp == NULL || scp == scp->sc->cur_scp) { lwkt_reltoken(&vga_token); return 0; } error = tsleep((caddr_t)&scp->smode, PCATCH, "waitvt", 0); /* May return ERESTART */ lwkt_reltoken(&vga_token); /* Wait for drm modesetting callback to finish. */ if (sc->fb_set_par_task != NULL) taskqueue_drain(taskqueue_thread[0], sc->fb_set_par_task); return error; case VT_GETACTIVE: /* get active vty # */ *(int *)data = sc->cur_scp->index + 1; lwkt_reltoken(&vga_token); return 0; case VT_GETINDEX: /* get this vty # */ *(int *)data = scp->index + 1; lwkt_reltoken(&vga_token); return 0; case VT_LOCKSWITCH: /* prevent vty switching */ syscons_lock(); if ((*(int *)data) & 0x01) sc->flags |= SC_SCRN_VTYLOCK; else sc->flags &= ~SC_SCRN_VTYLOCK; syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case KDENABIO: /* allow io operations */ error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0); if (error != 0) { lwkt_reltoken(&vga_token); return error; } if (securelevel > 0) { lwkt_reltoken(&vga_token); return EPERM; } #if defined(__x86_64__) curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL; #endif lwkt_reltoken(&vga_token); return 0; case KDDISABIO: /* disallow io operations (default) */ #if defined(__x86_64__) curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL; #endif lwkt_reltoken(&vga_token); return 0; case KDSKBSTATE: /* set keyboard state (locks) */ if (*(int *)data & ~LOCK_MASK) { lwkt_reltoken(&vga_token); return EINVAL; } syscons_lock(); scp->status &= ~LOCK_MASK; scp->status |= *(int *)data; syscons_unlock(); if (scp == sc->cur_scp) update_kbd_state(scp, scp->status, LOCK_MASK, FALSE); lwkt_reltoken(&vga_token); return 0; case KDGKBSTATE: /* get keyboard state (locks) */ if (scp == sc->cur_scp) save_kbd_state(scp, FALSE); *(int *)data = scp->status & LOCK_MASK; lwkt_reltoken(&vga_token); 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; lwkt_reltoken(&vga_token); 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); lwkt_reltoken(&vga_token); return 0; default: lwkt_reltoken(&vga_token); return EINVAL; } /* NOT REACHED */ case KDGKBMODE: /* get keyboard mode */ *(int *)data = scp->kbd_mode; lwkt_reltoken(&vga_token); return 0; case KDGKBINFO: error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) error = ENODEV; lwkt_reltoken(&vga_token); return error; case KDMKTONE: /* sound the bell */ syscons_lock(); 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); syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case KIOCSOUND: /* make tone (*data) hz */ syscons_lock(); if (scp == sc->cur_scp) { if (*(int *)data) { error = sc_tone(*(int *)data); } else { error = sc_tone(0); } } else { error = 0; } syscons_unlock(); lwkt_reltoken(&vga_token); return error; case KDGKBTYPE: /* get keyboard type */ error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) { /* always return something? XXX */ *(int *)data = 0; } lwkt_reltoken(&vga_token); return 0; case KDSETLED: /* set keyboard LED status */ if (*(int *)data & ~LED_MASK) { /* FIXME: LOCK_MASK? */ lwkt_reltoken(&vga_token); return EINVAL; } syscons_lock(); scp->status &= ~LED_MASK; scp->status |= *(int *)data; syscons_unlock(); if (scp == sc->cur_scp) update_kbd_leds(scp, scp->status); lwkt_reltoken(&vga_token); return 0; case KDGETLED: /* get keyboard LED status */ if (scp == sc->cur_scp) save_kbd_state(scp, FALSE); *(int *)data = scp->status & LED_MASK; lwkt_reltoken(&vga_token); return 0; case KBADDKBD: /* add/remove keyboard to/from mux */ case KBRELKBD: error = kbd_ioctl(sc->kbd, cmd, data); if (error == ENOIOCTL) error = ENODEV; lwkt_reltoken(&vga_token); return error; case CONS_SETKBD: /* set the new keyboard */ { keyboard_t *newkbd; newkbd = kbd_get_keyboard(*(int *)data); if (newkbd == NULL) { lwkt_reltoken(&vga_token); 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, FALSE); kbd_release(sc->kbd, (void *)&sc->keyboard); } syscons_lock(); sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */ sc->keyboard = i; syscons_unlock(); kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&sc->cur_scp->kbd_mode); update_kbd_state(sc->cur_scp, sc->cur_scp->status, LOCK_MASK, FALSE); } else { error = EPERM; /* XXX */ } } lwkt_reltoken(&vga_token); return error; } case CONS_RELKBD: /* release the current keyboard */ error = 0; if (sc->kbd != NULL) { save_kbd_state(sc->cur_scp, FALSE); error = kbd_release(sc->kbd, (void *)&sc->keyboard); if (error == 0) { syscons_lock(); sc->kbd = NULL; sc->keyboard = -1; syscons_unlock(); } } lwkt_reltoken(&vga_token); 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; lwkt_reltoken(&vga_token); 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; lwkt_reltoken(&vga_token); return EINVAL; } } case CONS_SETTERM: /* set the current terminal emulator */ syscons_lock(); error = sc_init_emulator(scp, ((term_info_t *)data)->ti_name); /* FIXME: what if scp == sc_console! XXX */ syscons_unlock(); lwkt_reltoken(&vga_token); return error; case GIO_SCRNMAP: /* get output translation table */ bcopy(&sc->scr_map, data, sizeof(sc->scr_map)); lwkt_reltoken(&vga_token); 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; } lwkt_reltoken(&vga_token); 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; lwkt_reltoken(&vga_token); return error; #ifndef SC_NO_FONT_LOADING case PIO_FONT8x8: /* set 8x8 dot font */ if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { lwkt_reltoken(&vga_token); return ENXIO; } syscons_lock(); 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 (sc->fbi == NULL && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height < 14)) { sc_load_font(sc->cur_scp, 0, 8, sc->font_8, 0, 256); } syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case GIO_FONT8x8: /* get 8x8 dot font */ if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { lwkt_reltoken(&vga_token); return ENXIO; } if (sc->fonts_loaded & FONT_8) { bcopy(sc->font_8, data, 8*256); lwkt_reltoken(&vga_token); return 0; } else { lwkt_reltoken(&vga_token); return ENXIO; } case PIO_FONT8x14: /* set 8x14 dot font */ if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { lwkt_reltoken(&vga_token); return ENXIO; } syscons_lock(); 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 (sc->fbi == NULL && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 14) && (sc->cur_scp->font_height < 16)) { sc_load_font(sc->cur_scp, 0, 14, sc->font_14, 0, 256); } syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case GIO_FONT8x14: /* get 8x14 dot font */ if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { lwkt_reltoken(&vga_token); return ENXIO; } if (sc->fonts_loaded & FONT_14) { bcopy(sc->font_14, data, 14*256); lwkt_reltoken(&vga_token); return 0; } else { lwkt_reltoken(&vga_token); return ENXIO; } case PIO_FONT8x16: /* set 8x16 dot font */ if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { lwkt_reltoken(&vga_token); return ENXIO; } syscons_lock(); 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 (sc->fbi == NULL && ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_height >= 16)) { sc_load_font(sc->cur_scp, 0, 16, sc->font_16, 0, 256); } syscons_unlock(); lwkt_reltoken(&vga_token); return 0; case GIO_FONT8x16: /* get 8x16 dot font */ if (sc->fbi == NULL && !ISFONTAVAIL(sc->adp->va_flags)) { lwkt_reltoken(&vga_token); return ENXIO; } if (sc->fonts_loaded & FONT_16) { bcopy(sc->font_16, data, 16*256); lwkt_reltoken(&vga_token); return 0; } else { lwkt_reltoken(&vga_token); return ENXIO; } #endif /* SC_NO_FONT_LOADING */ default: break; } lwkt_gettoken(&tp->t_token); error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, ap->a_cred); if (error != ENOIOCTL) { lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return(error); } error = ttioctl(tp, cmd, data, flag); if (error != ENOIOCTL) { lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return(error); } lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return(ENOTTY); } static void scstart(struct tty *tp) { struct clist *rbp; int len; u_char buf[PCBURST]; scr_stat *scp = SC_STAT(tp->t_dev); syscons_lock(); if (scp->status & SLKED || (scp == scp->sc->cur_scp && scp->sc->blink_in_progress)) { syscons_unlock(); return; } if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { tp->t_state |= TS_BUSY; rbp = &tp->t_outq; while (rbp->c_cc) { len = clist_qtob(rbp, buf, PCBURST); sc_puts(scp, buf, len); } tp->t_state &= ~TS_BUSY; syscons_unlock(); ttwwakeup(tp); } else { syscons_unlock(); } } static void sccnprobe(struct consdev *cp) { int unit; int flags; cp->cn_pri = sc_get_cons_priority(&unit, &flags); /* a video card is always required */ if (probe_efi_fb(1) != 0 && !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_probegood = 1; } static void sccninit(struct consdev *cp) { int unit; int flags; sc_get_cons_priority(&unit, &flags); scinit(unit, flags | SC_KERNEL_CONSOLE); sc_console_unit = unit; sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console_scp; } static void sccninit_fini(struct consdev *cp) { if (cctl_dev == NULL) kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n"); cp->cn_dev = cctl_dev; } /* * This is called when the console is switched away from syscons to * a late-configuring device (such as a PCIe serial port). Since * late-configuring devices basically didn't exist until now, this * routine was never called, and SURPRISE! It doesn't work... causes * syscons to implode due to all the funny console-not-console structure * selection syscons does. * * Make it a NOP. Just leave the console designation intact, even * though it is no longer a console. */ static void sccnterm(struct consdev *cp) { #if 0 /* we are not the kernel console any more, release everything */ if (sc_console_unit < 0) return; /* shouldn't happen */ #if 0 /* XXX */ syscons_lock(); sc_clear_screen(sc_console); sccnupdate(sc_console); syscons_unlock(); #endif scterm(sc_console_unit, SC_KERNEL_CONSOLE); sc_console_unit = -1; sc_console = NULL; #endif } /* * Console path - cannot block! */ static void sccnputc(void *private, int c) { u_char buf[1]; scr_stat *scp = sc_console; void *save; #ifndef SC_NO_HISTORY #if 0 struct tty *tp; #endif #endif /* !SC_NO_HISTORY */ /* assert(sc_console != NULL) */ syscons_lock(); #ifndef SC_NO_HISTORY if (scp == scp->sc->cur_scp && scp->status & SLKED) { scp->status &= ~SLKED; #if 0 /* This can block, illegal in the console path */ update_kbd_state(scp, scp->status, SLKED, TRUE); #endif 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); } #if 0 tp = VIRTUAL_TTY(scp->sc, scp->index); /* This can block, illegal in the console path */ if (ISTTYOPEN(tp)) { scstart(tp); } #endif } #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; sccnupdate(scp); syscons_unlock(); } /* * Console path - cannot block! */ static int sccngetc(void *private) { return sccngetch(0); } /* * Console path - cannot block! */ static int sccncheckc(void *private) { return sccngetch(SCGETC_NONBLOCK); } /* * Set polling mode (also disables the tty feed), use when * polling for console key input. */ static void sccnpoll(void *private, int on) { scr_stat *scp; syscons_lock(); sc_touch_scrn_saver(); scp = sc_console->sc->cur_scp; /* XXX */ syscons_unlock(); if (scp->sc->kbd) kbd_poll(scp->sc->kbd, on); } static void sccndbctl(void *private, 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; syscons_lock(); sc_switch_scr(sc_console->sc, sc_console->index); syscons_unlock(); } } if (on) ++debugger; else --debugger; } /* * Console path - cannot block! */ static int sccngetch(int flags) { static struct fkeytab fkey; static int fkeycp; scr_stat *scp; u_char *p; int cur_mode; int c; syscons_lock(); /* 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); syscons_unlock(); if (fkeycp < fkey.len) { return fkey.str[fkeycp++]; } if (scp->sc->kbd == NULL) { return -1; } /* * Make sure the keyboard is accessible even when the kbd device * driver is disabled. */ crit_enter(); 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); c = scgetc(scp->sc, SCGETC_CN | flags); scp->kbd_mode = cur_mode; kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode); kbd_disable(scp->sc->kbd); crit_exit(); 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: if (flags & SCGETC_NONBLOCK) return c; /* fall through */ case ERRKEY: default: return -1; } /* NOT REACHED */ } static void sccnupdate(scr_stat *scp) { int ddb_active; #ifdef DDB ddb_active = db_active; #else ddb_active = 0; #endif /* this is a cut-down version of scrn_timer()... */ /* * Don't update if videoio is in progress. However, if we are paniced * or in the debugger it is possible that the variables might be stuck, * so ignore it in such cases. */ if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress) { if (panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) return; } if (debugger > 0 || panicstr || ddb_active || 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; #if NSPLASH > 0 /* * This is a hard path, we cannot call stop_scrn_saver() here. */ if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE)) if (scp->sc->flags & SC_SCRN_BLANKED) { sc_touch_scrn_saver(); /*stop_scrn_saver(scp->sc, current_saver);*/ } #endif /* NSPLASH */ 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, SCRN_ASYNCOK); } static void scrn_timer(void *arg) { static int kbd_interval = 0; struct timeval tv; sc_softc_t *sc; scr_stat *scp; int again; /* * Setup depending on who called us */ 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. * (These are initiated by the frontend?) */ if (sc->font_loading_in_progress || sc->videoio_in_progress) { if (again) callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); return; } /* * Try to allocate a keyboard automatically */ if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) { if (++kbd_interval >= 25) { sc->keyboard = sc_allocate_keyboard(sc, -1); 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, FALSE); } kbd_interval = 0; } } /* * Should we stop the screen saver? We need the syscons_lock * for most of this stuff. */ getmicrouptime(&tv); if (syscons_lock_nonblock() != 0) { /* failed to get the lock */ if (again) callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); return; } /* successful lock */ 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; } #if NSPLASH > 0 if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE)) { if ((sc->flags & SC_SCRN_BLANKED) && !ISGRAPHSC(sc->cur_scp)) stop_scrn_saver(sc, current_saver); } #endif /* NSPLASH */ /* should we just return ? */ if (sc->blink_in_progress || sc->switch_in_progress || sc->write_in_progress) { syscons_unlock(); if (again) callout_reset(&sc->scrn_timer_ch, hz / 10, scrn_timer, sc); 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, SCRN_ASYNCOK); #if NSPLASH > 0 /* 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 /* NSPLASH */ syscons_unlock(); if (again) callout_reset(&sc->scrn_timer_ch, hz / 25, scrn_timer, sc); } 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; } /* * Refresh modified frame buffer range. Also used to * scroll (entire FB is marked modified). * * This function is allowed to run without the syscons_lock, * so scp fields can change unexpected. We cache most values * that we care about and silently discard illegal ranges. */ static void scrn_update(scr_stat *scp, int show_cursor, int flags) { int start; int end; int cpos; int copos; int s; int e; int ddb_active; #ifdef DDB ddb_active = db_active; #else ddb_active = 0; #endif /* * Try to run large screen updates as an async operation, which will * call this function again from a thread with BULKUNLOCK set, allowing * interrupts during the update which tends to make the system behave * better (no sound glitches, etc). */ if ((flags & SCRN_ASYNCOK) && syscons_async && scp->asynctd && (scp->end - scp->start) > 16 && panicstr == NULL && ddb_active == 0 && shutdown_in_progress == 0) { scp->show_cursor = show_cursor; scp->queue_update_td = 1; wakeup(&scp->asynctd); return; } if (flags & SCRN_BULKUNLOCK) syscons_lock(); /* * Synchronous operation or called from */ /* assert(scp == scp->sc->cur_scp) */ atomic_add_int(&scp->sc->videoio_in_progress, 1); cpos = scp->cursor_pos; copos = scp->cursor_oldpos; #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) && (cpos != copos) && (and_region(&s, &e, cpos, cpos) || and_region(&s, &e, copos, copos)))) { sc_remove_mouse_image(scp); if (scp->end >= scp->xsize*scp->ysize) scp->end = scp->xsize*scp->ysize - 1; } } #endif /* !SC_NO_CUTPASTE */ /* * WARNING: Don't add debugging kprintf()s with syscons locked. * Or at all. */ if (scp->end >= scp->xsize*scp->ysize) { scp->end = scp->xsize*scp->ysize - 1; } if (scp->start < 0) { scp->start = 0; } /* * Main update, extract update range and reset * ASAP. */ start = scp->start; end = scp->end; scp->end = 0; scp->start = scp->xsize * scp->ysize - 1; if (start <= end) { if (flags & SCRN_BULKUNLOCK) { atomic_add_int(&scp->sc->videoio_in_progress, -1); syscons_unlock(); } (*scp->rndr->draw)(scp, start, end - start + 1, FALSE); if (flags & SCRN_BULKUNLOCK) { syscons_lock(); atomic_add_int(&scp->sc->videoio_in_progress, 1); } /* * Handle cut sequence */ s = scp->mouse_cut_start; e = scp->mouse_cut_end; cpu_ccfence(); /* allowed to race */ if (e >= 0) { if (s > e) { int r = s; s = e; e = r; } /* does the cut-mark region overlap with the update region? */ if (and_region(&s, &e, start, end)) { if (flags & SCRN_BULKUNLOCK) { atomic_add_int(&scp->sc->videoio_in_progress, -1); syscons_unlock(); } (*scp->rndr->draw)(scp, s, e - s + 1, TRUE); if (flags & SCRN_BULKUNLOCK) { syscons_lock(); atomic_add_int(&scp->sc->videoio_in_progress, 1); } } } } /* we are not to show the cursor and the mouse pointer... */ if (!show_cursor) goto cleanup; /* update cursor image */ if (scp->status & CURSOR_ENABLED) { s = start; e = end; /* did cursor move since last time ? */ if (cpos != copos) { /* do we need to remove old cursor image ? */ if (!and_region(&s, &e, copos, copos)) sc_remove_cursor_image(scp); sc_draw_cursor_image(scp); } else { if (s <= e && and_region(&s, &e, cpos, cpos)) { /* cursor didn't move, but has been overwritten */ sc_draw_cursor_image(scp); } else if (scp->sc->flags & SC_BLINK_CURSOR) { /* if it's a blinking cursor, update it */ (*scp->rndr->blink_cursor)(scp, cpos, sc_inside_cutmark(scp, cpos)); } } } #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 */ /* * Cleanup */ cleanup: atomic_add_int(&scp->sc->videoio_in_progress, -1); if (flags & SCRN_BULKUNLOCK) syscons_unlock(); } /* * Thread handles potentially expensive screen updates. The function is * expected to operate safely without locks. */ static void scrn_update_thread(void *arg) { scr_stat *scp = arg; for (;;) { if (scp->queue_update_td == 0) { tsleep_interlock(&scp->asynctd, 0); if (scp->queue_update_td == 0) tsleep(&scp->asynctd, PINTERLOCKED, "wait", 0); } scp->queue_update_td = 0; lockmgr(&sc_asynctd_lk, LK_EXCLUSIVE); atomic_add_int(&scp->sc->videoio_in_progress, 1); scrn_update(scp, scp->show_cursor, SCRN_BULKUNLOCK); atomic_add_int(&scp->sc->videoio_in_progress, -1); lockmgr(&sc_asynctd_lk, LK_RELEASE); } } static void sc_fb_set_par(void *context, int pending) { sc_softc_t *sc = context; lwkt_gettoken(&vga_token); if (sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL) sc->fbi->fbops.fb_set_par(sc->fbi); lwkt_reltoken(&vga_token); } #if NSPLASH > 0 static void sc_fb_blank(void *context, int pending) { sc_softc_t *sc = context; lwkt_gettoken(&vga_token); if (sc->fbi != NULL && sc->fbi->fbops.fb_blank != NULL) { /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */ if (sc->flags & SC_SCRN_BLANKED) { sc->fbi->fbops.fb_blank(4, sc->fbi); sc->fb_blanked = TRUE; if (sc->unit == sc_console_unit) cons_unavail = TRUE; } else { sc->fbi->fbops.fb_blank(0, sc->fbi); sc->fb_blanked = FALSE; if (sc->unit == sc_console_unit && sc->cur_scp->smode.mode == VT_AUTO) cons_unavail = FALSE; } } lwkt_reltoken(&vga_token); } static void scframebuffer_saver(sc_softc_t *sc, int show) { scr_stat *scp = sc->cur_scp; if (panicstr) return; /* * Gets called on every screen update while screensaver is active, * so we need to check the SC_SCRN_BLANKED flag ourselves. */ if ((sc->flags & SC_SCRN_BLANKED) && show) return; taskqueue_cancel(taskqueue_thread[0], sc->fb_blank_task, NULL); crit_enter(); if (show) { scp->status |= SAVER_RUNNING; sc->flags |= SC_SCRN_BLANKED; ++scrn_blanked; } else { scp->status &= ~SAVER_RUNNING; sc->flags &= ~SC_SCRN_BLANKED; --scrn_blanked; } crit_exit(); taskqueue_enqueue(taskqueue_thread[0], sc->fb_blank_task); } 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) { 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); kprintf("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, FALSE); 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) { /* assert(scp == scp->sc->cur_scp) */ crit_enter(); 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; crit_exit(); if (mode < 0) { return 0; } scp->mode = mode; if (set_mode(scp) == 0) { if (scp->sc->fbi == NULL && scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS) { scp->status |= GRAPHICS_MODE; } if (scp->sc->fbi == NULL && pal != NULL) load_palette(scp->sc->adp, pal); sc_set_border(scp, border); return 0; } else { crit_enter(); scp->mode = scp->splash_save_mode; scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING); scp->status |= scp->splash_save_status; crit_exit(); return 1; } /* NOTREACHED */ } static int restore_scrn_saver_mode(scr_stat *scp, int changemode) { int mode; int status; /* assert(scp == scp->sc->cur_scp) */ crit_enter(); 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; crit_exit(); return 0; } if (set_mode(scp) == 0) { if (scp->sc->fbi == NULL) load_palette(scp->sc->adp, scp->sc->palette); --scrn_blanked; crit_exit(); return 0; } else { scp->mode = mode; scp->status = status; crit_exit(); return 1; } /* NOTREACHED */ } 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); wakeup(&scrn_blanked); } static int wait_scrn_saver_stop(sc_softc_t *sc, int need_unlock) { int error = 0; while (scrn_blanked > 0) { run_scrn_saver = FALSE; if (sc && !(sc->flags & SC_SCRN_BLANKED)) { error = 0; break; } if (need_unlock) { tsleep_interlock(&scrn_blanked, PCATCH); syscons_unlock(); error = tsleep(&scrn_blanked, PCATCH | PINTERLOCKED, "scrsav", 0); syscons_lock(); } else { error = tsleep(&scrn_blanked, PCATCH, "scrsav", 0); } /* May return ERESTART */ if (error) break; } run_scrn_saver = FALSE; return error; } #endif /* NSPLASH */ void sc_start_scrn_saver(sc_softc_t *sc) { #if NSPLASH > 0 (*current_saver)(sc, TRUE); #endif } void sc_stop_scrn_saver(sc_softc_t *sc) { #if NSPLASH > 0 if (sc->flags & SC_SCRN_BLANKED) stop_scrn_saver(sc, current_saver); #endif } 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; 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; } cur_scp = sc->cur_scp; /* * we are in the middle of the vty switching process... * * This may be in the console path, be very careful. pfindn() is * still going to use a spinlock but it no longer uses tokens so * we should be ok. */ if (sc->switch_in_progress && (cur_scp->smode.mode == VT_PROCESS) && cur_scp->proc) { if (cur_scp->proc != pfindn(cur_scp->pid)) { /* * 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); 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 { /* * 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); 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) { 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)) { 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)) { 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)) { 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; wakeup((caddr_t)&sc->new_scp->smode); 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)) { return 0; } /* go set up the new vty screen */ exchange_scr(sc); /* wake up processes waiting for this vty */ wakeup((caddr_t)&sc->cur_scp->smode); /* wait for the controlling process to acknowledge, if necessary */ if (signal_vt_acq(sc->cur_scp)) { return 0; } sc->switch_in_progress = 0; if (sc->unit == sc_console_unit && !sc->fb_blanked) cons_unavail = FALSE; DPRINTF(5, ("switch done\n")); return 0; } static void do_switch_scr(sc_softc_t *sc) { lwkt_gettoken(&vga_token); vt_proc_alive(sc->new_scp); exchange_scr(sc); /* sc->cur_scp == sc->new_scp */ wakeup((caddr_t)&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 && !sc->fb_blanked) cons_unavail = FALSE; } lwkt_reltoken(&vga_token); } static int vt_proc_alive(scr_stat *scp) { lwkt_gettoken(&vga_token); if (scp->proc) { if (scp->proc == pfindn(scp->pid)) { lwkt_reltoken(&vga_token); return TRUE; } scp->proc = NULL; scp->smode.mode = VT_AUTO; DPRINTF(5, ("vt controlling process %d died\n", scp->pid)); } lwkt_reltoken(&vga_token); return FALSE; } static int signal_vt_rel(scr_stat *scp) { struct proc *p; lwkt_gettoken(&vga_token); if (scp->smode.mode != VT_PROCESS) { lwkt_reltoken(&vga_token); return FALSE; } scp->status |= SWITCH_WAIT_REL; p = scp->proc; PHOLD(p); ksignal(p, scp->smode.relsig); PRELE(p); DPRINTF(5, ("sending relsig to %d\n", scp->pid)); lwkt_reltoken(&vga_token); return TRUE; } static int signal_vt_acq(scr_stat *scp) { struct proc *p; lwkt_gettoken(&vga_token); if (scp->smode.mode != VT_PROCESS) { lwkt_reltoken(&vga_token); return FALSE; } if (scp->sc->unit == sc_console_unit) cons_unavail = TRUE; scp->status |= SWITCH_WAIT_ACQ; p = scp->proc; PHOLD(p); ksignal(p, scp->smode.acqsig); PRELE(p); DPRINTF(5, ("sending acqsig to %d\n", scp->pid)); lwkt_reltoken(&vga_token); return TRUE; } static int finish_vt_rel(scr_stat *scp, int release) { lwkt_gettoken(&vga_token); if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) { scp->status &= ~SWITCH_WAIT_REL; if (release) do_switch_scr(scp->sc); else scp->sc->switch_in_progress = 0; lwkt_reltoken(&vga_token); return 0; } lwkt_reltoken(&vga_token); return EINVAL; } static int finish_vt_acq(scr_stat *scp) { lwkt_gettoken(&vga_token); if (scp == scp->sc->new_scp && scp->status & SWITCH_WAIT_ACQ) { scp->status &= ~SWITCH_WAIT_ACQ; scp->sc->switch_in_progress = 0; lwkt_reltoken(&vga_token); return 0; } lwkt_reltoken(&vga_token); return EINVAL; } static void exchange_scr(sc_softc_t *sc) { scr_stat *scp; lwkt_gettoken(&vga_token); /* 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, TRUE); /* 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 if (sc->adp != NULL) sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, (void *)sc->adp->va_window, FALSE); scp->status |= MOUSE_HIDDEN; sc_update_render(scp); /* Switch to kms renderer if necessary */ sc_move_cursor(scp, scp->xpos, scp->ypos); if (!ISGRAPHSC(scp)) sc_set_cursor_image(scp); if (sc->fbi == NULL && ISGRAPHSC(sc->old_scp)) load_palette(sc->adp, sc->palette); if (!ISGRAPHSC(scp) || sc->fbi == NULL) 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, TRUE); mark_all(scp); /* * Restore DRM framebuffer console mode if necessary. * Especially avoid modesetting when switching to a vt which is in * graphics mode, because the fb_set_par() from the taskqueue thread * might race with the modesetting ioctl from the userland application. */ if (!ISTEXTSC(sc->old_scp) && sc->fbi != NULL && sc->fbi->fbops.fb_set_par != NULL && sc->fb_set_par_task != NULL) { taskqueue_enqueue(taskqueue_thread[0], sc->fb_set_par_task); } lwkt_reltoken(&vga_token); } static void sc_puts(scr_stat *scp, u_char *buf, int len) { #if NSPLASH > 0 /* make screensaver happy */ if (!sticky_splash && scp == scp->sc->cur_scp) 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); */ atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, scp->sc->flags & SC_BLINK_CURSOR, TRUE, sc_inside_cutmark(scp, scp->cursor_pos)); scp->cursor_oldpos = scp->cursor_pos; atomic_add_int(&scp->sc->videoio_in_progress, -1); } void sc_remove_cursor_image(scr_stat *scp) { /* assert(scp == scp->sc->cur_scp); */ atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, scp->sc->flags & SC_BLINK_CURSOR, FALSE, sc_inside_cutmark(scp, scp->cursor_oldpos)); atomic_add_int(&scp->sc->videoio_in_progress, -1); } static void update_cursor_image(scr_stat *scp) { int blink; if (scp->sc->flags & SC_CHAR_CURSOR) { scp->cursor_base = imax(0, scp->sc->cursor_base); scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); } else { scp->cursor_base = 0; scp->cursor_height = scp->font_height; } blink = scp->sc->flags & SC_BLINK_CURSOR; /* assert(scp == scp->sc->cur_scp); */ atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE, sc_inside_cutmark(scp, scp->cursor_pos)); (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink); (*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE, sc_inside_cutmark(scp, scp->cursor_pos)); atomic_add_int(&scp->sc->videoio_in_progress, -1); } void sc_set_cursor_image(scr_stat *scp) { if (scp->sc->flags & SC_CHAR_CURSOR) { scp->cursor_base = imax(0, scp->sc->cursor_base); scp->cursor_height = imin(scp->sc->cursor_height, scp->font_height); } else { scp->cursor_base = 0; scp->cursor_height = scp->font_height; } /* assert(scp == scp->sc->cur_scp); */ atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, scp->sc->flags & SC_BLINK_CURSOR); atomic_add_int(&scp->sc->videoio_in_progress, -1); } 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 u_short sc_buffer[2*ROW*2*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; char tbuf[MAKEDEV_MINNBUF]; 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 (flags & SC_EFI_FB) { /* Don't replace already registered drm framebuffer here */ if (sc->fbi == NULL) { sc->fbi = &efi_fb_info; sc->fbi_generation++; } } else 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; } if (!(flags & SC_EFI_FB)) { sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter); sc->adp = vid_get_adapter(sc->adapter); /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */ } sc->keyboard = sc_allocate_keyboard(sc, unit); 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)) { if (sc->fbi != NULL) sc->initial_mode = 0; else 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 = kmalloc(sizeof(font_8), M_SYSCONS, M_WAITOK); sc->font_14 = kmalloc(sizeof(font_14), M_SYSCONS, M_WAITOK); sc->font_16 = kmalloc(sizeof(font_16), M_SYSCONS, M_WAITOK); } #endif if (sc->fbi != NULL) { col = 0; row = 0; } else { lwkt_gettoken(&vga_token); /* extract the hw 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); lwkt_reltoken(&vga_token); } /* set up the first console */ sc->first_vty = unit*MAXCONS; sc->vtys = MAXCONS; /* XXX: should be configurable */ if (flags & SC_KERNEL_CONSOLE) { scp = &main_console; sc->console_scp = scp; 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 = kmalloc(sizeof(cdev_t)*sc->vtys, M_SYSCONS, M_WAITOK | M_ZERO); sc->dev[0] = make_dev(&sc_ops, unit*MAXCONS, UID_ROOT, GID_WHEEL, 0600, "ttyv%s", makedev_unit_b32(tbuf, unit * MAXCONS)); ttymalloc(&sc->dev[0]->si_tty); scp = alloc_scp(sc, sc->first_vty); sc->dev[0]->si_drv1 = scp; } sc->cur_scp = scp; /* copy screen to temporary buffer */ if (scp->sc->fbi == NULL) { 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; if (sc->fbi != NULL) { scp->cursor_pos = 0; sc->cursor_base = 0; sc->cursor_height = scp->font_height; } else { scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col; if (bios_value.cursor_end < scp->font_height) sc->cursor_base = scp->font_height - bios_value.cursor_end - 1; else sc->cursor_base = 0; i = bios_value.cursor_end - bios_value.cursor_start + 1; sc->cursor_height = imin(i, scp->font_height); } #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); /* If framebuffer vaddr is still 0, we can't draw the border yet */ if (scp->sc->fbi != NULL && scp->sc->fbi->vaddr != 0) { sc_filled_border = TRUE; sc_set_border(scp, scp->border); } } /* save font and palette */ #ifndef SC_NO_FONT_LOADING sc->fonts_loaded = 0; #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; #endif /* SC_DFLT_FONT */ if (sc->adp != NULL && ISFONTAVAIL(sc->adp->va_flags)) { #ifdef SC_DFLT_FONT if (scp->font_height < 14) { sc_load_font(scp, 0, 8, sc->font_8, 0, 256); } else if (scp->font_height >= 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_height < 14) { sc_save_font(scp, 0, 8, sc->font_8, 0, 256); sc->fonts_loaded = FONT_8; } else if (scp->font_height >= 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 */ if (!(flags & SC_EFI_FB)) save_palette(sc->adp, sc->palette); #if NSPLASH > 0 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 /* NSPLASH */ } /* 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 0 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 */ lwkt_gettoken(&vga_token); #if NSPLASH > 0 /* 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 /* NSPLASH */ #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. If operating on the * kernel console sc->dev may not be setup yet. */ if (flags & SC_KERNEL_CONSOLE) scp = sc->console_scp; else scp = SC_STAT(sc->dev[0]); if (scp->tsw) (*scp->tsw->te_term)(scp, &scp->ts); if (scp->ts != NULL) kfree(scp->ts, M_SYSCONS); /* clear the structure */ if (!(flags & SC_KERNEL_CONSOLE)) { /* XXX: We need delete_dev() for this */ kfree(sc->dev, M_SYSCONS); #if 0 /* XXX: We need a ttyunregister for this */ /* XXX: do not race tty token access */ kfree(sc->tty, M_SYSCONS); #endif #ifndef SC_NO_FONT_LOADING kfree(sc->font_8, M_SYSCONS); kfree(sc->font_14, M_SYSCONS); kfree(sc->font_16, M_SYSCONS); #endif /* XXX vtb, history */ } bzero(sc, sizeof(*sc)); sc->keyboard = -1; sc->adapter = -1; lwkt_reltoken(&vga_token); } #endif static void scshutdown(void *arg, int howto) { /* assert(sc_console != NULL) */ lwkt_gettoken(&vga_token); syscons_lock(); 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; syscons_unlock(); lwkt_reltoken(&vga_token); } int sc_clean_up(scr_stat *scp, int need_unlock) { #if NSPLASH > 0 int error; #endif /* NSPLASH */ lwkt_gettoken(&vga_token); if (scp->sc->flags & SC_SCRN_BLANKED) { sc_touch_scrn_saver(); #if NSPLASH > 0 if ((error = wait_scrn_saver_stop(scp->sc, need_unlock))) { lwkt_reltoken(&vga_token); return error; } #endif /* NSPLASH */ } scp->status |= MOUSE_HIDDEN; sc_remove_mouse_image(scp); sc_remove_cutmarking(scp); lwkt_reltoken(&vga_token); return 0; } void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard) { sc_vtb_t new; sc_vtb_t old; lwkt_gettoken(&vga_token); 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 lwkt_reltoken(&vga_token); } static scr_stat * alloc_scp(sc_softc_t *sc, int vty) { scr_stat *scp; /* assert(sc_malloc) */ scp = kmalloc(sizeof(scr_stat), M_SYSCONS, 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; } /* * NOTE: Must be called with vga_token held. */ 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; scp->fbi_generation = sc->fbi_generation; callout_init_lk(&scp->blink_screen_ch, &syscons_blink_lk); if (scp->sc->fbi == NULL) { lwkt_gettoken(&vga_token); (*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info); lwkt_reltoken(&vga_token); } if (scp->sc->fbi != NULL) { scp->xpixel = sc->fbi->width; scp->ypixel = sc->fbi->height; scp->font_width = 8; scp->font_height = 16; /* The first vty uses a statically allocated 160x50 buffer */ if (vty == sc->first_vty) sc_font_scale(scp, 2*COL, 2*ROW); else sc_font_scale(scp, 0, 0); #ifndef SC_NO_FONT_LOADING scp->font = sc->font_16; #else scp->font = NULL; #endif } else 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/8; scp->ysize = info.vi_height/info.vi_cheight; scp->font_height = 0; scp->font_width = 0; scp->font = NULL; } else { scp->xsize = info.vi_width; scp->ysize = info.vi_height; scp->xpixel = scp->xsize*8; scp->ypixel = scp->ysize*info.vi_cheight; scp->font_width = 8; if (info.vi_cheight < 14) { scp->font_height = 8; #ifndef SC_NO_FONT_LOADING scp->font = sc->font_8; #else scp->font = NULL; #endif } else if (info.vi_cheight >= 16) { scp->font_height = 16; #ifndef SC_NO_FONT_LOADING scp->font = sc->font_16; #else scp->font = NULL; #endif } else { scp->font_height = 14; #ifndef SC_NO_FONT_LOADING scp->font = sc->font_14; #else scp->font = NULL; #endif } } scp->xoff = scp->yoff = 0; scp->xpos = scp->ypos = 0; sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); scp->start = scp->xsize * scp->ysize - 1; scp->end = 0; scp->tsw = NULL; scp->ts = NULL; scp->rndr = NULL; scp->border = SC_BORDER_COLOR; scp->cursor_base = sc->cursor_base; scp->cursor_height = imin(sc->cursor_height, scp->font_height); 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->model); } if (rndr == NULL && scp->sc->fbi != NULL) { rndr = sc_render_match(scp, "kms", scp->model); } if (rndr == NULL) { rndr = sc_render_match(scp, scp->sc->adp->va_name, scp->model); 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 = kmalloc(sw->te_size, M_SYSCONS, 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) kfree(scp->ts, M_SYSCONS); 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; lwkt_gettoken(&vga_token); if (sc->kbd == NULL) { lwkt_reltoken(&vga_token); return NOKEY; } next_code: #if 1 /* I don't like this, but... XXX */ if (flags & SCGETC_CN) { syscons_lock(); sccnupdate(sc->cur_scp); syscons_unlock(); } #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) { lwkt_reltoken(&vga_token); return c; } else { break; } } /* make screensaver happy */ if (!(c & RELKEY)) sc_touch_scrn_saver(); if (!(flags & SCGETC_CN)) /* do the /dev/random device a favour */ add_keyboard_randomness(c); if (scp->kbd_mode != K_XLATE) { lwkt_reltoken(&vga_token); 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; /* 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)) { lwkt_reltoken(&vga_token); return c; } break; case SPSC: #if NSPLASH > 0 /* 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 /* NSPLASH */ 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: case STBY: break; case DBG: #ifndef SC_DISABLE_DDBKEY #ifdef DDB lwkt_reltoken(&vga_token); Debugger("manual escape to debugger"); lwkt_gettoken(&vga_token); #else kprintf("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)) { syscons_lock(); sc_switch_scr(scp->sc, sc->first_vty + i); syscons_unlock(); 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)) { syscons_lock(); sc_switch_scr(scp->sc, sc->first_vty + i); syscons_unlock(); break; } } break; default: if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) { syscons_lock(); sc_switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR); syscons_unlock(); break; } /* assert(c & FKEY) */ if (!(sc->flags & SC_SCRN_BLANKED)) { lwkt_reltoken(&vga_token); return c; } break; } /* goto next_code */ } else { /* regular keys (maybe MKEY is set) */ if (!(sc->flags & SC_SCRN_BLANKED)) { lwkt_reltoken(&vga_token); return c; } } } goto next_code; } static int scmmap(struct dev_mmap_args *ap) { scr_stat *scp; lwkt_gettoken(&vga_token); scp = SC_STAT(ap->a_head.a_dev); if (scp != scp->sc->cur_scp) { lwkt_reltoken(&vga_token); return EINVAL; } if (scp->sc->fbi != NULL) { size_t sz = roundup(scp->sc->fbi->height * scp->sc->fbi->stride, PAGE_SIZE); if (ap->a_offset > sz - PAGE_SIZE) { lwkt_reltoken(&vga_token); return EINVAL; } else { ap->a_result = atop(scp->sc->fbi->paddr + ap->a_offset); } } else { ap->a_result = (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, ap->a_offset, ap->a_nprot); } lwkt_reltoken(&vga_token); return(0); } static int save_kbd_state(scr_stat *scp, int unlock) { int state; int error; WANT_UNLOCK(unlock); error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); WANT_LOCK(unlock); 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 unlock) { int state; int error; if (mask != LOCK_MASK) { WANT_UNLOCK(unlock); error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state); WANT_LOCK(unlock); if (error == ENOIOCTL) error = ENODEV; if (error) { return error; } state &= ~mask; state |= new_bits & mask; } else { state = new_bits & LOCK_MASK; } WANT_UNLOCK(unlock); error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state); WANT_LOCK(unlock); 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; lwkt_gettoken(&vga_token); /* reject unsupported mode */ if (scp->sc->fbi == NULL && (*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info)) { lwkt_reltoken(&vga_token); return 1; } /* if this vty is not currently showing, do nothing */ if (scp != scp->sc->cur_scp) { lwkt_reltoken(&vga_token); return 0; } /* setup video hardware for the given mode */ if (scp->sc->fbi == NULL) { (*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); } else { goto done; } #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_height < 14) { if (scp->sc->fonts_loaded & FONT_8) sc_load_font(scp, 0, 8, scp->sc->font_8, 0, 256); } else if (scp->font_height >= 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); done: lwkt_reltoken(&vga_token); return 0; } void refresh_ega_palette(scr_stat *scp) { uint32_t r, g, b; int reg; int rsize, gsize, bsize; int rfld, gfld, bfld; int i; rsize = scp->sc->adp->va_info.vi_pixel_fsizes[0]; gsize = scp->sc->adp->va_info.vi_pixel_fsizes[1]; bsize = scp->sc->adp->va_info.vi_pixel_fsizes[2]; rfld = scp->sc->adp->va_info.vi_pixel_fields[0]; gfld = scp->sc->adp->va_info.vi_pixel_fields[1]; bfld = scp->sc->adp->va_info.vi_pixel_fields[2]; for (i = 0; i < 16; i++) { reg = scp->sc->adp->va_palette_regs[i]; r = scp->sc->palette[reg * 3] >> (8 - rsize); g = scp->sc->palette[reg * 3 + 1] >> (8 - gsize); b = scp->sc->palette[reg * 3 + 2] >> (8 - bsize); scp->ega_palette[i] = (r << rfld) + (g << gfld) + (b << bfld); } } void sc_set_border(scr_stat *scp, int color) { atomic_add_int(&scp->sc->videoio_in_progress, 1); (*scp->rndr->draw_border)(scp, color); atomic_add_int(&scp->sc->videoio_in_progress, -1); } #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; /* * Holy hell, don't try to inject a paste buffer if the keyboard * is not in ascii mode! */ if (scp->kbd_mode != K_XLATE) return; lwkt_gettoken(&vga_token); if (scp->status & MOUSE_VISIBLE) { tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index); lwkt_gettoken(&tp->t_token); if (!ISTTYOPEN(tp)) { lwkt_reltoken(&tp->t_token); lwkt_reltoken(&vga_token); return; } rmap = scp->sc->scr_rmap; for (; count > 0; --count) (*linesw[tp->t_line].l_rint)(rmap[*p++], tp); lwkt_reltoken(&tp->t_token); } lwkt_reltoken(&vga_token); } void sc_bell(scr_stat *scp, int pitch, int duration) { if (cold || shutdown_in_progress) 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; lockmgr(&syscons_blink_lk, LK_EXCLUSIVE); sc_blink_screen(scp->sc->cur_scp); lockmgr(&syscons_blink_lk, LK_RELEASE); } else if (duration != 0 && pitch != 0) { if (scp != scp->sc->cur_scp) pitch *= 2; sysbeep(pitch, duration); } } /* * Blink the screen, called with the syscons_mtx and syscons_blink_lk * held. Can be called directly or via the callout. */ static void sc_blink_screen(scr_stat *scp) { if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) { scp->sc->blink_in_progress = 0; mark_all(scp); 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--; callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen_callout, scp); } } /* * Screen blink callout. Note that there is a lock order * reversal between syscons_blink_lk and the syscons lock. * Acquire the syscons lock non-blocking. */ static void blink_screen_callout(void *arg) { scr_stat *scp = arg; if (syscons_lock_nonblock() == 0) { sc_blink_screen(scp); syscons_unlock(); } else { callout_reset(&scp->blink_screen_ch, hz / 10, blink_screen_callout, scp); } } /* * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and, * if found, add all non-busy keyboards to "kbdmux". Otherwise look for * any keyboard. */ static int sc_allocate_keyboard(sc_softc_t *sc, int unit) { int idx0, idx; keyboard_t *k0, *k; keyboard_info_t ki; idx0 = kbd_allocate("kbdmux", -1, (void *)&sc->keyboard, sckbdevent, sc); if (idx0 != -1) { k0 = kbd_get_keyboard(idx0); for (idx = kbd_find_keyboard2("*", -1, 0, 0); idx != -1; idx = kbd_find_keyboard2("*", -1, idx + 1, 0)) { k = kbd_get_keyboard(idx); if (idx == idx0 || KBD_IS_BUSY(k)) continue; bzero(&ki, sizeof(ki)); strcpy(ki.kb_name, k->kb_name); ki.kb_unit = k->kb_unit; kbd_ioctl(k0, KBADDKBD, (caddr_t) &ki); } } else idx0 = kbd_allocate("*", unit, (void *)&sc->keyboard, sckbdevent, sc); return (idx0); }