/*- * Copyright (c) 1992-1997 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: syscons.c,v 1.242 1997/12/07 08:09:19 yokota Exp $ */ #include "sc.h" #include "apm.h" #include "opt_ddb.h" #include "opt_syscons.h" #if NSC > 0 #include #include #include #include #include #include #include #include #ifdef DEVFS #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if !defined(MAXCONS) #define MAXCONS 16 #endif #if !defined(SC_MAX_HISTORY_SIZE) #define SC_MAX_HISTORY_SIZE (1000 * MAXCONS) #endif #if !defined(SC_HISTORY_SIZE) #define SC_HISTORY_SIZE (ROW * 4) #endif #if (SC_HISTORY_SIZE * MAXCONS) > SC_MAX_HISTORY_SIZE #undef SC_MAX_HISTORY_SIZE #define SC_MAX_HISTORY_SIZE (SC_HISTORY_SIZE * MAXCONS) #endif #define COLD 0 #define WARM 1 #define MODE_MAP_SIZE (M_VGA_CG320 + 1) #define MODE_PARAM_SIZE 64 /* XXX use sc_bcopy where video memory is concerned */ #define sc_bcopy generic_bcopy extern void generic_bcopy(const void *, void *, size_t); static default_attr user_default = { (FG_LIGHTGREY | BG_BLACK) << 8, (FG_BLACK | BG_LIGHTGREY) << 8 }; static default_attr kernel_default = { (FG_WHITE | BG_BLACK) << 8, (FG_BLACK | BG_LIGHTGREY) << 8 }; static scr_stat main_console; static scr_stat *console[MAXCONS]; #ifdef DEVFS static void *sc_devfs_token[MAXCONS]; #endif scr_stat *cur_console; static scr_stat *new_scp, *old_scp; static term_stat kernel_console; static default_attr *current_default; static int flags = 0; static int sc_port = IO_KBD; static KBDC sc_kbdc = NULL; static char init_done = COLD; static u_short sc_buffer[ROW*COL]; static char switch_in_progress = FALSE; static char write_in_progress = FALSE; static char blink_in_progress = FALSE; static int blinkrate = 0; u_int crtc_addr = MONO_BASE; char crtc_type = KD_MONO; char crtc_vga = FALSE; static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0; static u_char accents = 0; static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); static int delayed_next_scr = FALSE; static long scrn_blank_time = 0; /* screen saver timeout value */ int scrn_blanked = 0; /* screen saver active flag */ static long scrn_time_stamp; u_char scr_map[256]; u_char scr_rmap[256]; char *video_mode_ptr = NULL; int fonts_loaded = 0 #ifdef STD8X16FONT | FONT_16 #endif ; char font_8[256*8]; char font_14[256*14]; #ifdef STD8X16FONT extern #endif unsigned char font_16[256*16]; char palette[256*3]; static char *mode_map[MODE_MAP_SIZE]; static char vgaregs[MODE_PARAM_SIZE]; static char vgaregs2[MODE_PARAM_SIZE]; static int rows_offset = 1; static char *cut_buffer; static int mouse_level = 0; /* sysmouse protocol level */ static mousestatus_t mouse_status = { 0, 0, 0, 0, 0, 0 }; static u_short mouse_and_mask[16] = { 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 }; static u_short mouse_or_mask[16] = { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 }; static int extra_history_size = SC_MAX_HISTORY_SIZE - SC_HISTORY_SIZE * MAXCONS; static void none_saver(int blank) { } static void (*current_saver)(int blank) = none_saver; int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) = NULL; /* OS specific stuff */ #ifdef not_yet_done #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x])) struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS])) struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1])) struct tty *sccons[MAXCONS+2]; #else #define VIRTUAL_TTY(x) &sccons[x] #define CONSOLE_TTY &sccons[MAXCONS] #define MOUSE_TTY &sccons[MAXCONS+1] static struct tty sccons[MAXCONS+2]; #endif #define SC_MOUSE 128 #define SC_CONSOLE 255 #define MONO_BUF pa_to_va(0xB0000) #define CGA_BUF pa_to_va(0xB8000) u_short *Crtat; static const int nsccons = MAXCONS+2; #define WRAPHIST(scp, pointer, offset)\ ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\ + (offset)) % (scp->history_size))) #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) /* this should really be in `rtc.h' */ #define RTC_EQUIPMENT 0x14 /* prototypes */ static int scattach(struct isa_device *dev); static int scparam(struct tty *tp, struct termios *t); static int scprobe(struct isa_device *dev); static int scvidprobe(int unit, int flags); static int sckbdprobe(int unit, int flags); static void scstart(struct tty *tp); static void scmousestart(struct tty *tp); static void scinit(void); static void map_mode_table(char *map[], char *table, int max); static u_char map_mode_num(u_char mode); static char *get_mode_param(scr_stat *scp, u_char mode); static u_int scgetc(u_int flags); #define SCGETC_CN 1 #define SCGETC_NONBLOCK 2 static scr_stat *get_scr_stat(dev_t dev); static scr_stat *alloc_scp(void); static void init_scp(scr_stat *scp); static int get_scr_num(void); static timeout_t scrn_timer; static void stop_scrn_saver(void (*saver)(int)); static void clear_screen(scr_stat *scp); static int switch_scr(scr_stat *scp, u_int next_scr); static void exchange_scr(void); static inline void move_crsr(scr_stat *scp, int x, int y); static void scan_esc(scr_stat *scp, u_char c); static void draw_cursor_image(scr_stat *scp); static void remove_cursor_image(scr_stat *scp); static void ansi_put(scr_stat *scp, u_char *buf, int len); static u_char *get_fstr(u_int c, u_int *len); static void history_to_screen(scr_stat *scp); static int history_up_line(scr_stat *scp); static int history_down_line(scr_stat *scp); static int mask2attr(struct term_stat *term); static void set_keyboard(int command, int data); static void update_leds(int which); static void set_vgaregs(char *modetable); static void read_vgaregs(char *buf); #define COMP_IDENTICAL 0 #define COMP_SIMILAR 1 #define COMP_DIFFERENT 2 static int comp_vgaregs(u_char *buf1, u_char *buf2); static void dump_vgaregs(u_char *buf); #define PARAM_BUFSIZE 6 static void set_font_mode(u_char *buf); static void set_normal_mode(u_char *buf); static void set_destructive_cursor(scr_stat *scp); static void set_mouse_pos(scr_stat *scp); static int skip_spc_right(scr_stat *scp, u_short *p); static int skip_spc_left(scr_stat *scp, u_short *p); static void mouse_cut(scr_stat *scp); static void mouse_cut_start(scr_stat *scp); static void mouse_cut_end(scr_stat *scp); static void mouse_cut_word(scr_stat *scp); static void mouse_cut_line(scr_stat *scp); static void mouse_cut_extend(scr_stat *scp); static void mouse_paste(scr_stat *scp); static void draw_mouse_image(scr_stat *scp); static void remove_mouse_image(scr_stat *scp); static void draw_cutmarking(scr_stat *scp); static void remove_cutmarking(scr_stat *scp); static void save_palette(void); static void do_bell(scr_stat *scp, int pitch, int duration); static timeout_t blink_screen; #ifdef SC_SPLASH_SCREEN static void toggle_splash_screen(scr_stat *scp); #endif struct isa_driver scdriver = { scprobe, scattach, "sc", 1 }; static d_open_t scopen; static d_close_t scclose; static d_read_t scread; static d_write_t scwrite; static d_ioctl_t scioctl; static d_devtotty_t scdevtotty; static d_mmap_t scmmap; #define CDEV_MAJOR 12 static struct cdevsw scdevsw = { scopen, scclose, scread, scwrite, scioctl, nullstop, noreset, scdevtotty, ttpoll, scmmap, nostrategy, "sc", NULL, -1 }; /* * These functions need to be before calls to them so they can be inlined. */ static inline void draw_cursor_image(scr_stat *scp) { u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf); u_short prev_image; /* do we have a destructive cursor ? */ if (flags & CHAR_CURSOR) { prev_image = scp->cursor_saveunder; cursor_image = *ptr & 0x00ff; if (cursor_image == DEAD_CHAR) cursor_image = prev_image & 0x00ff; cursor_image |= *(scp->cursor_pos) & 0xff00; scp->cursor_saveunder = cursor_image; /* update the cursor bitmap if the char under the cursor has changed */ if (prev_image != cursor_image) set_destructive_cursor(scp); /* modify cursor_image */ if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ /* * When the mouse pointer is at the same position as the cursor, * the cursor bitmap needs to be updated even if the char under * the cursor hasn't changed, because the mouse pionter may * have moved by a few dots within the cursor cel. */ if ((prev_image == cursor_image) && (cursor_image != *(scp->cursor_pos))) set_destructive_cursor(scp); cursor_image &= 0xff00; cursor_image |= DEAD_CHAR; } } else { cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00; scp->cursor_saveunder = cursor_image; if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){ if ((cursor_image & 0x7000) == 0x7000) { cursor_image &= 0x8fff; if(!(cursor_image & 0x0700)) cursor_image |= 0x0700; } else { cursor_image |= 0x7000; if ((cursor_image & 0x0700) == 0x0700) cursor_image &= 0xf0ff; } } } *ptr = cursor_image; } static inline void remove_cursor_image(scr_stat *scp) { *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder; } static inline void move_crsr(scr_stat *scp, int x, int y) { if (x < 0) x = 0; if (y < 0) y = 0; if (x >= scp->xsize) x = scp->xsize-1; if (y >= scp->ysize) y = scp->ysize-1; scp->xpos = x; scp->ypos = y; scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos; } static int scprobe(struct isa_device *dev) { if (!scvidprobe(dev->id_unit, dev->id_flags)) { if (bootverbose) printf("sc%d: no video adapter is found.\n", dev->id_unit); return (0); } sc_port = dev->id_iobase; if (sckbdprobe(dev->id_unit, dev->id_flags)) return (IO_KBDSIZE); else return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE); } /* probe video adapters, return TRUE if found */ static int scvidprobe(int unit, int flags) { /* * XXX don't try to `printf' anything here, the console may not have * been configured yet. */ u_short volatile *cp; u_short was; u_long pa; u_long segoff; /* do this test only once */ if (init_done != COLD) return (Crtat != 0); /* * Finish defaulting crtc variables for a mono screen. Crtat is a * bogus common variable so that it can be shared with pcvt, so it * can't be statically initialized. XXX. */ Crtat = (u_short *)MONO_BUF; crtc_type = KD_MONO; /* If CGA memory seems to work, switch to color. */ cp = (u_short *)CGA_BUF; was = *cp; *cp = (u_short) 0xA55A; if (*cp == 0xA55A) { Crtat = (u_short *)CGA_BUF; crtc_addr = COLOR_BASE; crtc_type = KD_CGA; } else { cp = Crtat; was = *cp; *cp = (u_short) 0xA55A; if (*cp != 0xA55A) { /* no screen at all, bail out */ Crtat = 0; return FALSE; } } *cp = was; /* * Check rtc and BIOS date area. * XXX: don't use BIOSDATA_EQUIPMENT, it is not a dead copy * of RTC_EQUIPMENT. The bit 4 and 5 of the ETC_EQUIPMENT are * zeros for EGA and VGA. However, the EGA/VGA BIOS will set * these bits in BIOSDATA_EQUIPMENT according to the monitor * type detected. */ switch ((rtcin(RTC_EQUIPMENT) >> 4) & 3) { /* bit 4 and 5 */ case 0: /* EGA/VGA, or nothing */ crtc_type = KD_EGA; /* the color adapter may be in the 40x25 mode... XXX */ break; case 1: /* CGA 40x25 */ /* switch to the 80x25 mode? XXX */ /* FALL THROUGH */ case 2: /* CGA 80x25 */ /* `crtc_type' has already been set... */ /* crtc_type = KD_CGA; */ break; case 3: /* MDA */ /* `crtc_type' has already been set... */ /* crtc_type = KD_MONO; */ break; } /* is this a VGA or higher ? */ outb(crtc_addr, 7); if (inb(crtc_addr) == 7) { crtc_type = KD_VGA; crtc_vga = TRUE; read_vgaregs(vgaregs); /* Get the BIOS video mode pointer */ segoff = *(u_long *)pa_to_va(0x4a8); pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); if (ISMAPPED(pa, sizeof(u_long))) { segoff = *(u_long *)pa_to_va(pa); pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff)); if (ISMAPPED(pa, MODE_PARAM_SIZE)) video_mode_ptr = (char *)pa_to_va(pa); } } return TRUE; } /* probe the keyboard, return TRUE if found */ static int sckbdprobe(int unit, int flags) { int codeset; int c = -1; int m; sc_kbdc = kbdc_open(sc_port); if (!kbdc_lock(sc_kbdc, TRUE)) { /* driver error? */ printf("sc%d: unable to lock the controller.\n", unit); return ((flags & DETECT_KBD) ? FALSE : TRUE); } /* discard anything left after UserConfig */ empty_both_buffers(sc_kbdc, 10); /* save the current keyboard controller command byte */ m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS; c = get_controller_command_byte(sc_kbdc); if (c == -1) { /* CONTROLLER ERROR */ printf("sc%d: unable to get the current command byte value.\n", unit); goto fail; } if (bootverbose) printf("sc%d: the current keyboard controller command byte %04x\n", unit, c); #if 0 /* override the keyboard lock switch */ c |= KBD_OVERRIDE_KBD_LOCK; #endif /* * The keyboard may have been screwed up by the boot block. * We may just be able to recover from error by testing the controller * and the keyboard port. The controller command byte needs to be saved * before this recovery operation, as some controllers seem to set * the command byte to particular values. */ test_controller(sc_kbdc); test_kbd_port(sc_kbdc); /* enable the keyboard port, but disable the keyboard intr. */ if (!set_controller_command_byte(sc_kbdc, KBD_KBD_CONTROL_BITS, KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT)) { /* CONTROLLER ERROR * there is very little we can do... */ printf("sc%d: unable to set the command byte.\n", unit); goto fail; } /* * Check if we have an XT keyboard before we attempt to reset it. * The procedure assumes that the keyboard and the controller have * been set up properly by BIOS and have not been messed up * during the boot process. */ codeset = -1; if (flags & XT_KEYBD) /* the user says there is a XT keyboard */ codeset = 1; #ifdef DETECT_XT_KEYBOARD else if ((c & KBD_TRANSLATION) == 0) { /* SET_SCANCODE_SET is not always supported; ignore error */ if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0) == KBD_ACK) codeset = read_kbd_data(sc_kbdc); } if (bootverbose) printf("sc%d: keyboard scancode set %d\n", unit, codeset); #endif /* DETECT_XT_KEYBOARD */ if (flags & KBD_NORESET) { write_kbd_command(sc_kbdc, KBDC_ECHO); if (read_kbd_data(sc_kbdc) != KBD_ECHO) { empty_both_buffers(sc_kbdc, 10); test_controller(sc_kbdc); test_kbd_port(sc_kbdc); if (bootverbose) printf("sc%d: failed to get response from the keyboard.\n", unit); goto fail; } } else { /* reset keyboard hardware */ if (!reset_kbd(sc_kbdc)) { /* KEYBOARD ERROR * Keyboard reset may fail either because the keyboard doen't * exist, or because the keyboard doesn't pass the self-test, * or the keyboard controller on the motherboard and the keyboard * somehow fail to shake hands. It is just possible, particularly * in the last case, that the keyoard controller may be left * in a hung state. test_controller() and test_kbd_port() appear * to bring the keyboard controller back (I don't know why and * how, though.) */ empty_both_buffers(sc_kbdc, 10); test_controller(sc_kbdc); test_kbd_port(sc_kbdc); /* We could disable the keyboard port and interrupt... but, * the keyboard may still exist (see above). */ if (bootverbose) printf("sc%d: failed to reset the keyboard.\n", unit); goto fail; } } /* * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards * such as those on the IBM ThinkPad laptop computers can be used * with the standard console driver. */ if (codeset == 1) { if (send_kbd_command_and_data( sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) { /* XT kbd doesn't need scan code translation */ c &= ~KBD_TRANSLATION; } else { /* KEYBOARD ERROR * The XT kbd isn't usable unless the proper scan code set * is selected. */ printf("sc%d: unable to set the XT keyboard mode.\n", unit); goto fail; } } /* enable the keyboard port and intr. */ if (!set_controller_command_byte(sc_kbdc, KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK, (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK)) | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) { /* CONTROLLER ERROR * This is serious; we are left with the disabled keyboard intr. */ printf("sc%d: unable to enable the keyboard port and intr.\n", unit); goto fail; } kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS), kbdc_lock(sc_kbdc, FALSE); return TRUE; fail: if (c != -1) /* try to restore the command byte as before, if possible */ set_controller_command_byte(sc_kbdc, 0xff, c); kbdc_set_device_mask(sc_kbdc, (flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS); kbdc_lock(sc_kbdc, FALSE); return FALSE; } #if NAPM > 0 static int scresume(void *dummy) { shfts = ctls = alts = agrs = metas = accents = 0; return 0; } #endif static int scattach(struct isa_device *dev) { scr_stat *scp; dev_t cdev = makedev(CDEV_MAJOR, 0); char *p; #ifdef DEVFS int vc; #endif scinit(); flags = dev->id_flags; if (!crtc_vga) flags &= ~CHAR_CURSOR; scp = console[0]; if (crtc_vga) { cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); } scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_NOWAIT); /* copy temporary buffer to final buffer */ bcopy(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short)); scp->cursor_pos = scp->cursor_oldpos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; scp->mouse_pos = scp->mouse_oldpos = scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); /* initialize history buffer & pointers */ scp->history_head = scp->history_pos = (u_short *)malloc(scp->history_size*sizeof(u_short), M_DEVBUF, M_NOWAIT); if (scp->history_head != NULL) bzero(scp->history_head, scp->history_size*sizeof(u_short)); scp->history = scp->history_head; /* initialize cursor stuff */ if (!(scp->status & UNKNOWN_MODE)) draw_cursor_image(scp); /* get screen update going */ scrn_timer(NULL); update_leds(scp->status); if ((crtc_type == KD_VGA) && bootverbose) { printf("sc%d: BIOS video mode:%d\n", dev->id_unit, *(u_char *)pa_to_va(0x449)); printf("sc%d: VGA registers upon power-up\n", dev->id_unit); dump_vgaregs(vgaregs); printf("sc%d: video mode:%d\n", dev->id_unit, scp->mode); printf("sc%d: VGA registers in BIOS for mode:%d\n", dev->id_unit, scp->mode); dump_vgaregs(vgaregs2); p = get_mode_param(scp, scp->mode); if (p != NULL) { printf("sc%d: VGA registers to be used for mode:%d\n", dev->id_unit, scp->mode); dump_vgaregs(p); } printf("sc%d: rows_offset:%d\n", dev->id_unit, rows_offset); } if ((crtc_type == KD_VGA) && (video_mode_ptr == NULL)) printf("sc%d: WARNING: video mode switching is only partially supported\n", dev->id_unit); printf("sc%d: ", dev->id_unit); switch(crtc_type) { case KD_VGA: if (crtc_addr == MONO_BASE) printf("VGA mono"); else printf("VGA color"); break; case KD_EGA: if (crtc_addr == MONO_BASE) printf("EGA mono"); else printf("EGA color"); break; case KD_CGA: printf("CGA"); break; case KD_MONO: case KD_HERCULES: default: printf("MDA/hercules"); break; } printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags); #if NAPM > 0 scp->r_hook.ah_fun = scresume; scp->r_hook.ah_arg = NULL; scp->r_hook.ah_name = "system keyboard"; scp->r_hook.ah_order = APM_MID_ORDER; apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook); #endif cdevsw_add(&cdev, &scdevsw, NULL); #ifdef DEVFS for (vc = 0; vc < MAXCONS; vc++) sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT, GID_WHEEL, 0600, "ttyv%n", vc); #endif return 0; } struct tty *scdevtotty(dev_t dev) { int unit = minor(dev); if (init_done == COLD) return(NULL); if (unit == SC_CONSOLE) return CONSOLE_TTY; if (unit == SC_MOUSE) return MOUSE_TTY; if (unit >= MAXCONS || unit < 0) return(NULL); return VIRTUAL_TTY(unit); } int scopen(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = scdevtotty(dev); if (!tp) return(ENXIO); tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart; tp->t_param = scparam; tp->t_dev = dev; if (!(tp->t_state & TS_ISOPEN)) { ttychars(tp); /* Use the current setting of the <-- key as default VERASE. */ /* If the Delete key is preferable, an stty is necessary */ tp->t_cc[VERASE] = key_map.key[0x0e].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); ttsetwater(tp); (*linesw[tp->t_line].l_modem)(tp, 1); if (minor(dev) == SC_MOUSE) mouse_level = 0; /* XXX */ } else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) return(EBUSY); if (minor(dev) < MAXCONS && !console[minor(dev)]) { console[minor(dev)] = alloc_scp(); } if (minor(dev)t_winsize.ws_col && !tp->t_winsize.ws_row) { tp->t_winsize.ws_col = console[minor(dev)]->xsize; tp->t_winsize.ws_row = console[minor(dev)]->ysize; } return ((*linesw[tp->t_line].l_open)(dev, tp)); } int scclose(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = scdevtotty(dev); struct scr_stat *scp; if (!tp) return(ENXIO); if (minor(dev) < MAXCONS) { scp = get_scr_stat(tp->t_dev); if (scp->status & SWITCH_WAIT_ACQ) wakeup((caddr_t)&scp->smode); #if not_yet_done if (scp == &main_console) { scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; } else { free(scp->scr_buf, M_DEVBUF); if (scp->history != NULL) { free(scp->history, M_DEVBUF); if (scp->history_size / scp->xsize > imax(SC_HISTORY_SIZE, scp->ysize)) extra_history_size += scp->history_size / scp->xsize - imax(SC_HISTORY_SIZE, scp->ysize); } free(scp, M_DEVBUF); console[minor(dev)] = NULL; } #else scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; #endif } spltty(); (*linesw[tp->t_line].l_close)(tp, flag); ttyclose(tp); spl0(); return(0); } int scread(dev_t dev, struct uio *uio, int flag) { struct tty *tp = scdevtotty(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_read)(tp, uio, flag)); } int scwrite(dev_t dev, struct uio *uio, int flag) { struct tty *tp = scdevtotty(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_write)(tp, uio, flag)); } void scintr(int unit) { static struct tty *cur_tty; int c, len; u_char *cp; /* make screensaver happy */ scrn_time_stamp = mono_time.tv_sec; /* * 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(SCGETC_NONBLOCK)) != NOKEY) { cur_tty = VIRTUAL_TTY(get_scr_num()); if (!(cur_tty->t_state & TS_ISOPEN)) if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN)) continue; switch (c & 0xff00) { case 0x0000: /* normal key */ (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); break; case FKEY: /* function key, return string */ if (cp = get_fstr((u_int)c, (u_int *)&len)) { while (len-- > 0) (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty); } break; case MKEY: /* meta is active, prepend ESC */ (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty); break; case BKEY: /* backtab fixed sequence (esc [ Z) */ (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty); (*linesw[cur_tty->t_line].l_rint)('[', cur_tty); (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty); break; } } if (cur_console->status & MOUSE_ENABLED) { cur_console->status &= ~MOUSE_VISIBLE; remove_mouse_image(cur_console); } } static int scparam(struct tty *tp, struct termios *t) { tp->t_ispeed = t->c_ispeed; tp->t_ospeed = t->c_ospeed; tp->t_cflag = t->c_cflag; return 0; } int scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) { int error; u_int i; struct tty *tp; scr_stat *scp; u_short *usp; char *mp; int s; tp = scdevtotty(dev); if (!tp) return ENXIO; scp = get_scr_stat(tp->t_dev); /* If there is a user_ioctl function call that first */ if (sc_user_ioctl) { if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p)) return error; } switch (cmd) { /* process console hardware related ioctl's */ case GIO_ATTR: /* get current attributes */ *(int*)data = (scp->term.cur_attr >> 8) & 0xFF; return 0; case GIO_COLOR: /* is this a color console ? */ if (crtc_addr == COLOR_BASE) *(int*)data = 1; else *(int*)data = 0; return 0; case CONS_CURRENT: /* get current adapter type */ *(int *)data = crtc_type; return 0; case CONS_GET: /* get current video mode */ *(int*)data = scp->mode; return 0; case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ if (*(int *)data < 0) return EINVAL; scrn_blank_time = *(int *)data; if (scrn_blank_time == 0) scrn_time_stamp = mono_time.tv_sec; return 0; case CONS_CURSORTYPE: /* set cursor type blink/noblink */ if ((*(int*)data) & 0x01) flags |= BLINK_CURSOR; else flags &= ~BLINK_CURSOR; if ((*(int*)data) & 0x02) { if (!crtc_vga) return ENXIO; flags |= CHAR_CURSOR; } else flags &= ~CHAR_CURSOR; /* * The cursor shape is global property; all virtual consoles * are affected. Update the cursor in the current console... */ if (!(cur_console->status & UNKNOWN_MODE)) { remove_cursor_image(cur_console); if (flags & CHAR_CURSOR) set_destructive_cursor(cur_console); draw_cursor_image(cur_console); } return 0; case CONS_BELLTYPE: /* set bell type sound/visual */ if (*data) flags |= VISUAL_BELL; else flags &= ~VISUAL_BELL; return 0; case CONS_HISTORY: /* set history size */ if (*(int *)data > 0) { int lines; /* buffer size to allocate */ int lines0; /* current buffer size */ lines = imax(*(int *)data, scp->ysize); lines0 = (scp->history != NULL) ? scp->history_size / scp->xsize : scp->ysize; /* * syscons unconditionally allocates buffers upto SC_HISTORY_SIZE * lines or scp->ysize lines, whichever is larger. A value * greater than that is allowed, subject to extra_history_size. */ if (lines > imax(lines0, SC_HISTORY_SIZE) + extra_history_size) return EINVAL; if (cur_console->status & BUFFER_SAVED) return EBUSY; usp = scp->history; scp->history = NULL; if (usp != NULL) free(usp, M_DEVBUF); scp->history_size = lines * scp->xsize; /* * extra_history_size += * (lines0 > imax(SC_HISTORY_SIZE, scp->ysize)) ? * lines0 - imax(SC_HISTORY_SIZE, scp->ysize)) : 0; * extra_history_size -= * (lines > imax(SC_HISTORY_SIZE, scp->ysize)) ? * lines - imax(SC_HISTORY_SIZE, scp->ysize)) : 0; * lines0 >= ysize && lines >= ysize... Hey, the above can be * reduced to the following... */ extra_history_size += imax(lines0, SC_HISTORY_SIZE) - imax(lines, SC_HISTORY_SIZE); usp = (u_short *)malloc(scp->history_size * sizeof(u_short), M_DEVBUF, M_WAITOK); bzero(usp, scp->history_size * sizeof(u_short)); scp->history_head = scp->history_pos = usp; scp->history = usp; return 0; } else return EINVAL; case CONS_MOUSECTL: /* control mouse arrow */ { /* MOUSE_BUTTON?DOWN -> MOUSE_MSC_BUTTON?UP */ static butmap[8] = { MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, MOUSE_MSC_BUTTON3UP, MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, MOUSE_MSC_BUTTON2UP, MOUSE_MSC_BUTTON1UP, 0, }; mouse_info_t *mouse = (mouse_info_t*)data; if (!crtc_vga) return ENODEV; switch (mouse->operation) { case MOUSE_MODE: if (ISSIGVALID(mouse->u.mode.signal)) { scp->mouse_signal = mouse->u.mode.signal; scp->mouse_proc = p; scp->mouse_pid = p->p_pid; } else { scp->mouse_signal = 0; scp->mouse_proc = NULL; scp->mouse_pid = 0; } break; case MOUSE_SHOW: if (!(scp->status & MOUSE_ENABLED)) { scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE); scp->mouse_oldpos = scp->mouse_pos; mark_all(scp); } else return EINVAL; break; case MOUSE_HIDE: if (scp->status & MOUSE_ENABLED) { scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE); mark_all(scp); } else return EINVAL; break; case MOUSE_MOVEABS: scp->mouse_xpos = mouse->u.data.x; scp->mouse_ypos = mouse->u.data.y; set_mouse_pos(scp); break; case MOUSE_MOVEREL: scp->mouse_xpos += mouse->u.data.x; scp->mouse_ypos += mouse->u.data.y; set_mouse_pos(scp); break; case MOUSE_GETINFO: mouse->u.data.x = scp->mouse_xpos; mouse->u.data.y = scp->mouse_ypos; mouse->u.data.z = 0; mouse->u.data.buttons = scp->mouse_buttons; break; case MOUSE_ACTION: case MOUSE_MOTION_EVENT: /* this should maybe only be settable from /dev/consolectl SOS */ /* send out mouse event on /dev/sysmouse */ mouse_status.dx += mouse->u.data.x; mouse_status.dy += mouse->u.data.y; mouse_status.dz += mouse->u.data.z; if (mouse->operation == MOUSE_ACTION) mouse_status.button = mouse->u.data.buttons; mouse_status.flags |= ((mouse->u.data.x || mouse->u.data.y || mouse->u.data.z) ? MOUSE_POSCHANGED : 0) | (mouse_status.obutton ^ mouse_status.button); if (cur_console->status & MOUSE_ENABLED) cur_console->status |= MOUSE_VISIBLE; if ((MOUSE_TTY)->t_state & TS_ISOPEN) { u_char buf[MOUSE_SYS_PACKETSIZE]; int j; /* the first five bytes are compatible with MouseSystems' */ buf[0] = MOUSE_MSC_SYNC | butmap[mouse_status.button & MOUSE_STDBUTTONS]; j = imax(imin(mouse->u.data.x, 255), -256); buf[1] = j >> 1; buf[3] = j - buf[1]; j = -imax(imin(mouse->u.data.y, 255), -256); buf[2] = j >> 1; buf[4] = j - buf[2]; for (j = 0; j < MOUSE_MSC_PACKETSIZE; j++) (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[j],MOUSE_TTY); if (mouse_level >= 1) { /* extended part */ j = imax(imin(mouse->u.data.z, 127), -128); buf[5] = (j >> 1) & 0x7f; buf[6] = (j - (j >> 1)) & 0x7f; /* buttons 4-10 */ buf[7] = (~mouse_status.button >> 3) & 0x7f; for (j = MOUSE_MSC_PACKETSIZE; j < MOUSE_SYS_PACKETSIZE; j++) (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[j],MOUSE_TTY); } } if (cur_console->mouse_signal) { cur_console->mouse_buttons = mouse->u.data.buttons; /* has controlling process died? */ if (cur_console->mouse_proc && (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ cur_console->mouse_signal = 0; cur_console->mouse_proc = NULL; cur_console->mouse_pid = 0; } else psignal(cur_console->mouse_proc, cur_console->mouse_signal); } else if (mouse->operation == MOUSE_ACTION) { /* process button presses */ if ((cur_console->mouse_buttons ^ mouse->u.data.buttons) && !(cur_console->status & UNKNOWN_MODE)) { cur_console->mouse_buttons = mouse->u.data.buttons; if (cur_console->mouse_buttons & MOUSE_BUTTON1DOWN) mouse_cut_start(cur_console); else mouse_cut_end(cur_console); if (cur_console->mouse_buttons & MOUSE_BUTTON2DOWN || cur_console->mouse_buttons & MOUSE_BUTTON3DOWN) mouse_paste(cur_console); } } if (mouse->u.data.x != 0 || mouse->u.data.y != 0) { cur_console->mouse_xpos += mouse->u.data.x; cur_console->mouse_ypos += mouse->u.data.y; set_mouse_pos(cur_console); } break; case MOUSE_BUTTON_EVENT: if ((mouse->u.event.id & MOUSE_BUTTONS) == 0) return EINVAL; if (mouse->u.event.value < 0) return EINVAL; if (mouse->u.event.value > 0) { cur_console->mouse_buttons |= mouse->u.event.id; mouse_status.button |= mouse->u.event.id; } else { cur_console->mouse_buttons &= ~mouse->u.event.id; mouse_status.button &= ~mouse->u.event.id; } mouse_status.flags |= ((mouse->u.data.x || mouse->u.data.y || mouse->u.data.z) ? MOUSE_POSCHANGED : 0) | (mouse_status.obutton ^ mouse_status.button); if (cur_console->status & MOUSE_ENABLED) cur_console->status |= MOUSE_VISIBLE; if ((MOUSE_TTY)->t_state & TS_ISOPEN) { u_char buf[8]; int i; buf[0] = MOUSE_MSC_SYNC | butmap[mouse_status.button & MOUSE_STDBUTTONS]; buf[7] = (~mouse_status.button >> 3) & 0x7f; buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0; for (i = 0; i < ((mouse_level >= 1) ? MOUSE_SYS_PACKETSIZE : MOUSE_MSC_PACKETSIZE); i++) (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY); } if (cur_console->mouse_signal) { if (cur_console->mouse_proc && (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){ cur_console->mouse_signal = 0; cur_console->mouse_proc = NULL; cur_console->mouse_pid = 0; } else psignal(cur_console->mouse_proc, cur_console->mouse_signal); break; } if (cur_console->status & UNKNOWN_MODE) break; switch (mouse->u.event.id) { case MOUSE_BUTTON1DOWN: switch (mouse->u.event.value % 4) { case 0: /* up */ mouse_cut_end(cur_console); break; case 1: mouse_cut_start(cur_console); break; case 2: mouse_cut_word(cur_console); break; case 3: mouse_cut_line(cur_console); break; } break; case MOUSE_BUTTON2DOWN: switch (mouse->u.event.value) { case 0: /* up */ break; default: mouse_paste(cur_console); break; } break; case MOUSE_BUTTON3DOWN: switch (mouse->u.event.value) { case 0: /* up */ if (!(cur_console->mouse_buttons & MOUSE_BUTTON1DOWN)) mouse_cut_end(cur_console); break; default: mouse_cut_extend(cur_console); break; } break; } break; default: return EINVAL; } /* make screensaver happy */ scrn_time_stamp = mono_time.tv_sec; return 0; } /* MOUSE_XXX: /dev/sysmouse ioctls */ case MOUSE_GETHWINFO: /* get device information */ { mousehw_t *hw = (mousehw_t *)data; if (tp != MOUSE_TTY) return ENOTTY; hw->buttons = 10; /* XXX unknown */ hw->iftype = MOUSE_IF_SYSMOUSE; hw->type = MOUSE_MOUSE; hw->model = MOUSE_MODEL_GENERIC; hw->hwid = 0; return 0; } case MOUSE_GETMODE: /* get protocol/mode */ { mousemode_t *mode = (mousemode_t *)data; if (tp != MOUSE_TTY) return ENOTTY; mode->level = mouse_level; switch (mode->level) { case 0: /* at this level, sysmouse emulates MouseSystems protocol */ mode->protocol = MOUSE_PROTO_MSC; mode->rate = -1; /* unknown */ mode->resolution = -1; /* unknown */ mode->accelfactor = 0; /* disabled */ mode->packetsize = MOUSE_MSC_PACKETSIZE; mode->syncmask[0] = MOUSE_MSC_SYNCMASK; mode->syncmask[1] = MOUSE_MSC_SYNC; break; case 1: /* at this level, sysmouse uses its own protocol */ mode->protocol = MOUSE_PROTO_SYSMOUSE; mode->rate = -1; mode->resolution = -1; mode->accelfactor = 0; mode->packetsize = MOUSE_SYS_PACKETSIZE; mode->syncmask[0] = MOUSE_SYS_SYNCMASK; mode->syncmask[1] = MOUSE_SYS_SYNC; break; } return 0; } case MOUSE_SETMODE: /* set protocol/mode */ { mousemode_t *mode = (mousemode_t *)data; if (tp != MOUSE_TTY) return ENOTTY; if ((mode->level < 0) || (mode->level > 1)) return EINVAL; mouse_level = mode->level; return 0; } case MOUSE_GETLEVEL: /* get operation level */ if (tp != MOUSE_TTY) return ENOTTY; *(int *)data = mouse_level; return 0; case MOUSE_SETLEVEL: /* set operation level */ if (tp != MOUSE_TTY) return ENOTTY; if ((*(int *)data < 0) || (*(int *)data > 1)) return EINVAL; mouse_level = *(int *)data; return 0; case MOUSE_GETSTATUS: /* get accumulated mouse events */ if (tp != MOUSE_TTY) return ENOTTY; s = spltty(); *(mousestatus_t *)data = mouse_status; mouse_status.flags = 0; mouse_status.obutton = mouse_status.button; mouse_status.dx = 0; mouse_status.dy = 0; mouse_status.dz = 0; splx(s); return 0; #if notyet case MOUSE_GETVARS: /* get internal mouse variables */ case MOUSE_SETVARS: /* set internal mouse variables */ if (tp != MOUSE_TTY) return ENOTTY; return ENODEV; #endif case MOUSE_READSTATE: /* read status from the device */ case MOUSE_READDATA: /* read data from the device */ if (tp != MOUSE_TTY) return ENOTTY; return ENODEV; case CONS_GETINFO: /* get current (virtual) console info */ { vid_info_t *ptr = (vid_info_t*)data; if (ptr->size == sizeof(struct vid_info)) { ptr->m_num = get_scr_num(); ptr->mv_col = scp->xpos; ptr->mv_row = scp->ypos; ptr->mv_csz = scp->xsize; ptr->mv_rsz = scp->ysize; ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8; ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12; ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8; ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12; ptr->mv_grfc.fore = 0; /* not supported */ ptr->mv_grfc.back = 0; /* not supported */ ptr->mv_ovscan = scp->border; ptr->mk_keylock = scp->status & LOCK_KEY_MASK; return 0; } return EINVAL; } case CONS_GETVERS: /* get version number */ *(int*)data = 0x200; /* version 2.0 */ return 0; /* VGA TEXT MODES */ case SW_VGA_C40x25: case SW_VGA_C80x25: case SW_VGA_M80x25: case SW_VGA_C80x30: case SW_VGA_M80x30: case SW_VGA_C80x50: case SW_VGA_M80x50: case SW_VGA_C80x60: case SW_VGA_M80x60: case SW_B40x25: case SW_C40x25: case SW_B80x25: case SW_C80x25: case SW_ENH_B40x25: case SW_ENH_C40x25: case SW_ENH_B80x25: case SW_ENH_C80x25: case SW_ENH_B80x43: case SW_ENH_C80x43: case SW_EGAMONO80x25: if (!crtc_vga) return ENODEV; mp = get_mode_param(scp, cmd & 0xff); if (mp == NULL) return ENODEV; if (scp->history != NULL) i = imax(scp->history_size / scp->xsize - imax(SC_HISTORY_SIZE, scp->ysize), 0); else i = 0; switch (cmd & 0xff) { case M_VGA_C80x60: case M_VGA_M80x60: if (!(fonts_loaded & FONT_8)) return EINVAL; scp->xsize = 80; scp->ysize = 60; break; case M_VGA_C80x50: case M_VGA_M80x50: if (!(fonts_loaded & FONT_8)) return EINVAL; scp->xsize = 80; scp->ysize = 50; break; case M_ENH_B80x43: case M_ENH_C80x43: if (!(fonts_loaded & FONT_8)) return EINVAL; scp->xsize = 80; scp->ysize = 43; break; case M_VGA_C80x30: case M_VGA_M80x30: scp->xsize = 80; scp->ysize = 30; break; case M_ENH_C40x25: case M_ENH_B40x25: case M_ENH_C80x25: case M_ENH_B80x25: case M_EGAMONO80x25: if (!(fonts_loaded & FONT_14)) return EINVAL; /* FALL THROUGH */ default: if ((cmd & 0xff) > M_VGA_CG320) return EINVAL; scp->xsize = mp[0]; scp->ysize = mp[1] + rows_offset; break; } scp->mode = cmd & 0xff; free(scp->scr_buf, M_DEVBUF); scp->scr_buf = (u_short *) malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); scp->cursor_pos = scp->cursor_oldpos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize; scp->mouse_pos = scp->mouse_oldpos = scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); free(cut_buffer, M_DEVBUF); cut_buffer = (char *)malloc(scp->xsize*scp->ysize, M_DEVBUF, M_NOWAIT); cut_buffer[0] = 0x00; usp = scp->history; scp->history = NULL; if (usp != NULL) { free(usp, M_DEVBUF); extra_history_size += i; } scp->history_size = imax(SC_HISTORY_SIZE, scp->ysize) * scp->xsize; usp = (u_short *)malloc(scp->history_size * sizeof(u_short), M_DEVBUF, M_NOWAIT); if (usp != NULL) bzero(usp, scp->history_size * sizeof(u_short)); scp->history_head = scp->history_pos = usp; scp->history = usp; if (scp == cur_console) set_mode(scp); scp->status &= ~UNKNOWN_MODE; clear_screen(scp); if (tp->t_winsize.ws_col != scp->xsize || tp->t_winsize.ws_row != scp->ysize) { tp->t_winsize.ws_col = scp->xsize; tp->t_winsize.ws_row = scp->ysize; pgsignal(tp->t_pgrp, SIGWINCH, 1); } return 0; /* GRAPHICS MODES */ case SW_BG320: case SW_BG640: case SW_CG320: case SW_CG320_D: case SW_CG640_E: case SW_CG640x350: case SW_ENH_CG640: case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320: if (!crtc_vga) return ENODEV; mp = get_mode_param(scp, cmd & 0xff); if (mp == NULL) return ENODEV; scp->mode = cmd & 0xFF; scp->xpixel = mp[0] * 8; scp->ypixel = (mp[1] + rows_offset) * mp[2]; if (scp == cur_console) set_mode(scp); scp->status |= UNKNOWN_MODE; /* graphics mode */ /* clear_graphics();*/ if (tp->t_winsize.ws_xpixel != scp->xpixel || tp->t_winsize.ws_ypixel != scp->ypixel) { tp->t_winsize.ws_xpixel = scp->xpixel; tp->t_winsize.ws_ypixel = scp->ypixel; pgsignal(tp->t_pgrp, SIGWINCH, 1); } return 0; case SW_VGA_MODEX: if (!crtc_vga) return ENODEV; mp = get_mode_param(scp, cmd & 0xff); if (mp == NULL) return ENODEV; scp->mode = cmd & 0xFF; if (scp == cur_console) set_mode(scp); scp->status |= UNKNOWN_MODE; /* graphics mode */ /* clear_graphics();*/ scp->xpixel = 320; scp->ypixel = 240; if (tp->t_winsize.ws_xpixel != scp->xpixel || tp->t_winsize.ws_ypixel != scp->ypixel) { tp->t_winsize.ws_xpixel = scp->xpixel; tp->t_winsize.ws_ypixel = scp->ypixel; pgsignal(tp->t_pgrp, SIGWINCH, 1); } return 0; case VT_SETMODE: /* set screen switcher mode */ { struct vt_mode *mode; mode = (struct vt_mode *)data; if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) && ISSIGVALID(mode->frsig)) { bcopy(data, &scp->smode, sizeof(struct vt_mode)); if (scp->smode.mode == VT_PROCESS) { scp->proc = p; scp->pid = scp->proc->p_pid; } return 0; } else return EINVAL; } case VT_GETMODE: /* get screen switcher mode */ bcopy(&scp->smode, data, sizeof(struct vt_mode)); return 0; case VT_RELDISP: /* screen switcher ioctl */ switch(*data) { case VT_FALSE: /* user refuses to release screen, abort */ if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { old_scp->status &= ~SWITCH_WAIT_REL; switch_in_progress = FALSE; return 0; } return EINVAL; case VT_TRUE: /* user has released screen, go on */ if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { scp->status &= ~SWITCH_WAIT_REL; exchange_scr(); if (new_scp->smode.mode == VT_PROCESS) { new_scp->status |= SWITCH_WAIT_ACQ; psignal(new_scp->proc, new_scp->smode.acqsig); } else switch_in_progress = FALSE; return 0; } return EINVAL; case VT_ACKACQ: /* acquire acknowledged, switch completed */ if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { scp->status &= ~SWITCH_WAIT_ACQ; switch_in_progress = FALSE; return 0; } return EINVAL; default: return EINVAL; } /* NOT REACHED */ case VT_OPENQRY: /* return free virtual console */ for (i = 0; i < MAXCONS; i++) { tp = VIRTUAL_TTY(i); if (!(tp->t_state & TS_ISOPEN)) { *data = i + 1; return 0; } } return EINVAL; case VT_ACTIVATE: /* switch to screen *data */ return switch_scr(scp, (*data) - 1); case VT_WAITACTIVE: /* wait for switch to occur */ if (*data > MAXCONS || *data < 0) return EINVAL; if (minor(dev) == (*data) - 1) return 0; if (*data == 0) { if (scp == cur_console) return 0; } else scp = console[(*data) - 1]; while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; return error; case VT_GETACTIVE: *data = get_scr_num()+1; return 0; case KDENABIO: /* allow io operations */ error = suser(p->p_ucred, &p->p_acflag); if (error != 0) return error; if (securelevel > 0) return EPERM; p->p_md.md_regs->tf_eflags |= PSL_IOPL; return 0; case KDDISABIO: /* disallow io operations (default) */ p->p_md.md_regs->tf_eflags &= ~PSL_IOPL; return 0; case KDSETMODE: /* set current mode of this (virtual) console */ switch (*data) { case KD_TEXT: /* switch to TEXT (known) mode */ /* restore fonts & palette ! */ if (crtc_vga) { if (fonts_loaded & FONT_8) copy_font(LOAD, FONT_8, font_8); if (fonts_loaded & FONT_14) copy_font(LOAD, FONT_14, font_14); if (fonts_loaded & FONT_16) copy_font(LOAD, FONT_16, font_16); load_palette(palette); } /* move hardware cursor out of the way */ outb(crtc_addr, 14); outb(crtc_addr + 1, 0xff); outb(crtc_addr, 15); outb(crtc_addr + 1, 0xff); /* FALL THROUGH */ case KD_TEXT1: /* switch to TEXT (known) mode */ /* no restore fonts & palette */ if (crtc_vga) set_mode(scp); scp->status &= ~UNKNOWN_MODE; clear_screen(scp); return 0; case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */ scp->status |= UNKNOWN_MODE; return 0; default: return EINVAL; } /* NOT REACHED */ case KDGETMODE: /* get current mode of this (virtual) console */ *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; return 0; case KDSBORDER: /* set border color of this (virtual) console */ scp->border = *data; if (scp == cur_console) set_border(scp->border); return 0; case KDSKBSTATE: /* set keyboard state (locks) */ if (*data >= 0 && *data <= LOCK_KEY_MASK) { scp->status &= ~LOCK_KEY_MASK; scp->status |= *data; if (scp == cur_console) update_leds(scp->status); return 0; } return EINVAL; case KDGKBSTATE: /* get keyboard state (locks) */ *data = scp->status & LOCK_KEY_MASK; return 0; case KDSETRAD: /* set keyboard repeat & delay rates */ if (*data & 0x80) return EINVAL; if (sc_kbdc != NULL) set_keyboard(KBDC_SET_TYPEMATIC, *data); return 0; case KDSKBMODE: /* set keyboard mode */ switch (*data) { case K_RAW: /* switch to RAW scancode mode */ scp->status &= ~KBD_CODE_MODE; scp->status |= KBD_RAW_MODE; return 0; case K_CODE: /* switch to CODE mode */ scp->status &= ~KBD_RAW_MODE; scp->status |= KBD_CODE_MODE; return 0; case K_XLATE: /* switch to XLT ascii mode */ if (scp == cur_console && scp->status & KBD_RAW_MODE) shfts = ctls = alts = agrs = metas = accents = 0; scp->status &= ~(KBD_RAW_MODE | KBD_CODE_MODE); return 0; default: return EINVAL; } /* NOT REACHED */ case KDGKBMODE: /* get keyboard mode */ *data = (scp->status & KBD_RAW_MODE) ? K_RAW : ((scp->status & KBD_CODE_MODE) ? K_CODE : K_XLATE); return 0; case KDMKTONE: /* sound the bell */ if (*(int*)data) do_bell(scp, (*(int*)data)&0xffff, (((*(int*)data)>>16)&0xffff)*hz/1000); else do_bell(scp, scp->bell_pitch, scp->bell_duration); return 0; case KIOCSOUND: /* make tone (*data) hz */ if (scp == cur_console) { if (*(int*)data) { int pitch = timer_freq / *(int*)data; /* set command for counter 2, 2 byte write */ if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE)) return EBUSY; /* set pitch */ outb(TIMER_CNTR2, pitch); outb(TIMER_CNTR2, (pitch>>8)); /* enable counter 2 output to speaker */ outb(IO_PPI, inb(IO_PPI) | 3); } else { /* disable counter 2 output to speaker */ outb(IO_PPI, inb(IO_PPI) & 0xFC); release_timer2(); } } return 0; case KDGKBTYPE: /* get keyboard type */ *data = 0; /* type not known (yet) */ return 0; case KDSETLED: /* set keyboard LED status */ if (*data >= 0 && *data <= LED_MASK) { scp->status &= ~LED_MASK; scp->status |= *data; if (scp == cur_console) update_leds(scp->status); return 0; } return EINVAL; case KDGETLED: /* get keyboard LED status */ *data = scp->status & LED_MASK; return 0; case GETFKEY: /* get functionkey string */ if (*(u_short*)data < n_fkey_tab) { fkeyarg_t *ptr = (fkeyarg_t*)data; bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, fkey_tab[ptr->keynum].len); ptr->flen = fkey_tab[ptr->keynum].len; return 0; } else return EINVAL; case SETFKEY: /* set functionkey string */ if (*(u_short*)data < n_fkey_tab) { fkeyarg_t *ptr = (fkeyarg_t*)data; bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, min(ptr->flen, MAXFK)); fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); return 0; } else return EINVAL; case GIO_SCRNMAP: /* get output translation table */ bcopy(&scr_map, data, sizeof(scr_map)); return 0; case PIO_SCRNMAP: /* set output translation table */ bcopy(data, &scr_map, sizeof(scr_map)); for (i=0; istatus & UNKNOWN_MODE)) { copy_font(LOAD, FONT_8, font_8); if (flags & CHAR_CURSOR) set_destructive_cursor(cur_console); } return 0; case GIO_FONT8x8: /* get 8x8 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_8) { bcopy(font_8, data, 8*256); return 0; } else return ENXIO; case PIO_FONT8x14: /* set 8x14 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, font_14, 14*256); fonts_loaded |= FONT_14; if (!(cur_console->status & UNKNOWN_MODE)) { copy_font(LOAD, FONT_14, font_14); if (flags & CHAR_CURSOR) set_destructive_cursor(cur_console); } return 0; case GIO_FONT8x14: /* get 8x14 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_14) { bcopy(font_14, data, 14*256); return 0; } else return ENXIO; case PIO_FONT8x16: /* set 8x16 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, font_16, 16*256); fonts_loaded |= FONT_16; if (!(cur_console->status & UNKNOWN_MODE)) { copy_font(LOAD, FONT_16, font_16); if (flags & CHAR_CURSOR) set_destructive_cursor(cur_console); } return 0; case GIO_FONT8x16: /* get 8x16 dot font */ if (!crtc_vga) return ENXIO; if (fonts_loaded & FONT_16) { bcopy(font_16, data, 16*256); return 0; } else return ENXIO; default: break; } error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); if (error != ENOIOCTL) return(error); error = ttioctl(tp, cmd, data, flag); if (error != ENOIOCTL) return(error); return(ENOTTY); } static void scstart(struct tty *tp) { struct clist *rbp; int s, len; u_char buf[PCBURST]; scr_stat *scp = get_scr_stat(tp->t_dev); if (scp->status & SLKED || blink_in_progress) return; /* XXX who repeats the call when the above flags are cleared? */ s = spltty(); if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { tp->t_state |= TS_BUSY; rbp = &tp->t_outq; while (rbp->c_cc) { len = q_to_b(rbp, buf, PCBURST); splx(s); ansi_put(scp, buf, len); s = spltty(); } tp->t_state &= ~TS_BUSY; ttwwakeup(tp); } splx(s); } static void scmousestart(struct tty *tp) { struct clist *rbp; int s; u_char buf[PCBURST]; s = spltty(); if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) { tp->t_state |= TS_BUSY; rbp = &tp->t_outq; while (rbp->c_cc) { q_to_b(rbp, buf, PCBURST); } tp->t_state &= ~TS_BUSY; ttwwakeup(tp); } splx(s); } void sccnprobe(struct consdev *cp) { struct isa_device *dvp; /* * Take control if we are the highest priority enabled display device. */ dvp = find_display(); if (dvp == NULL || dvp->id_driver != &scdriver) { cp->cn_pri = CN_DEAD; return; } if (!scvidprobe(dvp->id_unit, dvp->id_flags)) { cp->cn_pri = CN_DEAD; return; } /* initialize required fields */ cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE); cp->cn_pri = CN_INTERNAL; sc_kbdc = kbdc_open(sc_port); } void sccninit(struct consdev *cp) { scinit(); } void sccnputc(dev_t dev, int c) { u_char buf[1]; int s; scr_stat *scp = console[0]; term_stat save = scp->term; scp->term = kernel_console; current_default = &kernel_default; if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) remove_cursor_image(scp); buf[0] = c; ansi_put(scp, buf, 1); kernel_console = scp->term; current_default = &user_default; scp->term = save; s = splclock(); if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) { if (/* timer not running && */ (scp->start <= scp->end)) { sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start, (1 + scp->end - scp->start) * sizeof(u_short)); scp->start = scp->xsize * scp->ysize; scp->end = 0; } scp->cursor_oldpos = scp->cursor_pos; draw_cursor_image(scp); } splx(s); } int sccngetc(dev_t dev) { int s = spltty(); /* block scintr and scrn_timer while we poll */ int c; /* * Stop the screen saver if necessary. * What if we have been running in the screen saver code... XXX */ if (scrn_blanked > 0) stop_scrn_saver(current_saver); c = scgetc(SCGETC_CN); /* make sure the screen saver won't be activated soon */ scrn_time_stamp = mono_time.tv_sec; splx(s); return(c); } int sccncheckc(dev_t dev) { int c, s; s = spltty(); if (scrn_blanked > 0) stop_scrn_saver(current_saver); c = scgetc(SCGETC_CN | SCGETC_NONBLOCK); if (c != NOKEY) scrn_time_stamp = mono_time.tv_sec; splx(s); return(c == NOKEY ? -1 : c); /* c == -1 can't happen */ } static scr_stat *get_scr_stat(dev_t dev) { int unit = minor(dev); if (unit == SC_CONSOLE) return console[0]; if (unit >= MAXCONS || unit < 0) return(NULL); return console[unit]; } static int get_scr_num() { int i = 0; while ((i < MAXCONS) && (cur_console != console[i])) i++; return i < MAXCONS ? i : 0; } static void scrn_timer(void *arg) { scr_stat *scp = cur_console; int s = spltty(); /* * With release 2.1 of the Xaccel server, the keyboard is left * hanging pretty often. Apparently an interrupt from the * keyboard is lost, and I don't know why (yet). * This ugly hack calls scintr if input is ready for the keyboard * and conveniently hides the problem. XXX */ /* Try removing anything stuck in the keyboard controller; whether * it's a keyboard scan code or mouse data. `scintr()' doesn't * read the mouse data directly, but `kbdio' routines will, as a * side effect. */ if (kbdc_lock(sc_kbdc, TRUE)) { /* * We have seen the lock flag is not set. Let's reset the flag early; * otherwise `update_led()' failes which may want the lock * during `scintr()'. */ kbdc_lock(sc_kbdc, FALSE); if (kbdc_data_ready(sc_kbdc)) scintr(0); } /* should we just return ? */ if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) { timeout(scrn_timer, NULL, hz / 10); splx(s); return; } /* should we stop the screen saver? */ if (mono_time.tv_sec <= scrn_time_stamp + scrn_blank_time) if (scrn_blanked > 0) stop_scrn_saver(current_saver); if (scrn_blanked <= 0) { /* update screen image */ if (scp->start <= scp->end) { sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start, (1 + scp->end - scp->start) * sizeof(u_short)); } /* update "pseudo" mouse pointer image */ if ((scp->status & MOUSE_VISIBLE) && crtc_vga) { /* did mouse move since last time ? */ if (scp->status & MOUSE_MOVED) { /* do we need to remove old mouse pointer image ? */ if (scp->mouse_cut_start != NULL || (scp->mouse_pos-scp->scr_buf) <= scp->start || (scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->end) { remove_mouse_image(scp); } scp->status &= ~MOUSE_MOVED; draw_mouse_image(scp); } else { /* mouse didn't move, has it been overwritten ? */ if ((scp->mouse_pos+scp->xsize+1-scp->scr_buf) >= scp->start && (scp->mouse_pos - scp->scr_buf) <= scp->end) { draw_mouse_image(scp); } } } /* update cursor image */ if (scp->status & CURSOR_ENABLED) { /* did cursor move since last time ? */ if (scp->cursor_pos != scp->cursor_oldpos) { /* do we need to remove old cursor image ? */ if ((scp->cursor_oldpos - scp->scr_buf) < scp->start || ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) { remove_cursor_image(scp); } scp->cursor_oldpos = scp->cursor_pos; draw_cursor_image(scp); } else { /* cursor didn't move, has it been overwritten ? */ if (scp->cursor_pos - scp->scr_buf >= scp->start && scp->cursor_pos - scp->scr_buf <= scp->end) { draw_cursor_image(scp); } else { /* if its a blinking cursor, we may have to update it */ if (flags & BLINK_CURSOR) draw_cursor_image(scp); } } blinkrate++; } if (scp->mouse_cut_start != NULL) draw_cutmarking(scp); scp->end = 0; scp->start = scp->xsize*scp->ysize; } /* should we activate the screen saver? */ if ((scrn_blank_time != 0) && (mono_time.tv_sec > scrn_time_stamp + scrn_blank_time)) (*current_saver)(TRUE); timeout(scrn_timer, NULL, hz / 25); splx(s); } int add_scrn_saver(void (*this_saver)(int)) { if (current_saver != none_saver) return EBUSY; current_saver = this_saver; return 0; } int remove_scrn_saver(void (*this_saver)(int)) { if (current_saver != this_saver) return EINVAL; /* * 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 > 0) stop_scrn_saver(this_saver); return 0; } static void stop_scrn_saver(void (*saver)(int)) { (*saver)(FALSE); scrn_time_stamp = mono_time.tv_sec; mark_all(cur_console); } static void clear_screen(scr_stat *scp) { move_crsr(scp, 0, 0); scp->cursor_oldpos = scp->cursor_pos; fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize * scp->ysize); mark_all(scp); remove_cutmarking(scp); } static int switch_scr(scr_stat *scp, u_int next_scr) { if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid))) switch_in_progress = FALSE; if (next_scr >= MAXCONS || switch_in_progress || (cur_console->smode.mode == VT_AUTO && cur_console->status & UNKNOWN_MODE)) { do_bell(scp, BELL_PITCH, BELL_DURATION); return EINVAL; } /* is the wanted virtual console open ? */ if (next_scr) { struct tty *tp = VIRTUAL_TTY(next_scr); if (!(tp->t_state & TS_ISOPEN)) { do_bell(scp, BELL_PITCH, BELL_DURATION); return EINVAL; } } /* delay switch if actively updating screen */ if (write_in_progress || blink_in_progress) { delayed_next_scr = next_scr+1; return 0; } switch_in_progress = TRUE; old_scp = cur_console; new_scp = console[next_scr]; wakeup((caddr_t)&new_scp->smode); if (new_scp == old_scp) { switch_in_progress = FALSE; delayed_next_scr = FALSE; return 0; } /* has controlling process died? */ if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) old_scp->smode.mode = VT_AUTO; if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) new_scp->smode.mode = VT_AUTO; /* check the modes and switch appropriately */ if (old_scp->smode.mode == VT_PROCESS) { old_scp->status |= SWITCH_WAIT_REL; psignal(old_scp->proc, old_scp->smode.relsig); } else { exchange_scr(); if (new_scp->smode.mode == VT_PROCESS) { new_scp->status |= SWITCH_WAIT_ACQ; psignal(new_scp->proc, new_scp->smode.acqsig); } else switch_in_progress = FALSE; } return 0; } static void exchange_scr(void) { move_crsr(old_scp, old_scp->xpos, old_scp->ypos); cur_console = new_scp; if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){ if (crtc_vga) set_mode(new_scp); } move_crsr(new_scp, new_scp->xpos, new_scp->ypos); if (!(new_scp->status & UNKNOWN_MODE) && (flags & CHAR_CURSOR)) set_destructive_cursor(new_scp); if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) load_palette(palette); if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE || old_scp->status & KBD_CODE_MODE || new_scp->status & KBD_CODE_MODE) shfts = ctls = alts = agrs = metas = accents = 0; set_border(new_scp->border); update_leds(new_scp->status); delayed_next_scr = FALSE; mark_all(new_scp); } static void scan_esc(scr_stat *scp, u_char c) { static u_char ansi_col[16] = {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; int i, n; u_short *src, *dst, count; if (scp->term.esc == 1) { /* seen ESC */ switch (c) { case '7': /* Save cursor position */ scp->saved_xpos = scp->xpos; scp->saved_ypos = scp->ypos; break; case '8': /* Restore saved cursor position */ if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) move_crsr(scp, scp->saved_xpos, scp->saved_ypos); break; case '[': /* Start ESC [ sequence */ scp->term.esc = 2; scp->term.last_param = -1; for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) scp->term.param[i] = 1; scp->term.num_param = 0; return; case 'M': /* Move cursor up 1 line, scroll if at top */ if (scp->ypos > 0) move_crsr(scp, scp->xpos, scp->ypos - 1); else { bcopy(scp->scr_buf, scp->scr_buf + scp->xsize, (scp->ysize - 1) * scp->xsize * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize); mark_all(scp); } break; #if notyet case 'Q': scp->term.esc = 4; return; #endif case 'c': /* Clear screen & home */ clear_screen(scp); break; case '(': /* iso-2022: designate 94 character set to G0 */ scp->term.esc = 5; return; } } else if (scp->term.esc == 2) { /* seen ESC [ */ if (c >= '0' && c <= '9') { if (scp->term.num_param < MAX_ESC_PAR) { if (scp->term.last_param != scp->term.num_param) { scp->term.last_param = scp->term.num_param; scp->term.param[scp->term.num_param] = 0; } else scp->term.param[scp->term.num_param] *= 10; scp->term.param[scp->term.num_param] += c - '0'; return; } } scp->term.num_param = scp->term.last_param + 1; switch (c) { case ';': if (scp->term.num_param < MAX_ESC_PAR) return; break; case '=': scp->term.esc = 3; scp->term.last_param = -1; for (i = scp->term.num_param; i < MAX_ESC_PAR; i++) scp->term.param[i] = 1; scp->term.num_param = 0; return; case 'A': /* up n rows */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, scp->ypos - n); break; case 'B': /* down n rows */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, scp->ypos + n); break; case 'C': /* right n columns */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos + n, scp->ypos); break; case 'D': /* left n columns */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos - n, scp->ypos); break; case 'E': /* cursor to start of line n lines down */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, 0, scp->ypos + n); break; case 'F': /* cursor to start of line n lines up */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, 0, scp->ypos - n); break; case 'f': /* Cursor move */ case 'H': if (scp->term.num_param == 0) move_crsr(scp, 0, 0); else if (scp->term.num_param == 2) move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1); break; case 'J': /* Clear all or part of display */ if (scp->term.num_param == 0) n = 0; else n = scp->term.param[0]; switch (n) { case 0: /* clear form cursor to end of display */ fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos, scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->xsize * scp->ysize); remove_cutmarking(scp); break; case 1: /* clear from beginning of display to cursor */ fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, 0); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); remove_cutmarking(scp); break; case 2: /* clear entire display */ fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize * scp->ysize); mark_all(scp); remove_cutmarking(scp); break; } break; case 'K': /* Clear all or part of line */ if (scp->term.num_param == 0) n = 0; else n = scp->term.param[0]; switch (n) { case 0: /* clear form cursor to end of line */ fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos, scp->xsize - scp->xpos); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + scp->xsize - scp->xpos); break; case 1: /* clear from beginning of line to cursor */ fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos - scp->xpos, scp->xpos + 1); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); break; case 2: /* clear entire line */ fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos - scp->xpos, scp->xsize); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, (scp->ypos + 1) * scp->xsize); break; } break; case 'L': /* Insert n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize - scp->ypos) n = scp->ysize - scp->ypos; src = scp->scr_buf + scp->ypos * scp->xsize; dst = src + n * scp->xsize; count = scp->ysize - (scp->ypos + n); bcopy(src, dst, count * scp->xsize * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], src, n * scp->xsize); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, scp->xsize * scp->ysize); break; case 'M': /* Delete n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize - scp->ypos) n = scp->ysize - scp->ypos; dst = scp->scr_buf + scp->ypos * scp->xsize; src = dst + n * scp->xsize; count = scp->ysize - (scp->ypos + n); bcopy(src, dst, count * scp->xsize * sizeof(u_short)); src = dst + count * scp->xsize; fillw(scp->term.cur_color | scr_map[0x20], src, n * scp->xsize); mark_for_update(scp, scp->ypos * scp->xsize); mark_for_update(scp, scp->xsize * scp->ysize); break; case 'P': /* Delete n chars */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->xsize - scp->xpos) n = scp->xsize - scp->xpos; dst = scp->cursor_pos; src = dst + n; count = scp->xsize - (scp->xpos + n); bcopy(src, dst, count * sizeof(u_short)); src = dst + count; fillw(scp->term.cur_color | scr_map[0x20], src, n); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); break; case '@': /* Insert n chars */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->xsize - scp->xpos) n = scp->xsize - scp->xpos; src = scp->cursor_pos; dst = src + n; count = scp->xsize - (scp->xpos + n); bcopy(src, dst, count * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], src, n); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count); break; case 'S': /* scroll up n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize) n = scp->ysize; bcopy(scp->scr_buf + (scp->xsize * n), scp->scr_buf, scp->xsize * (scp->ysize - n) * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf + scp->xsize * (scp->ysize - n), scp->xsize * n); mark_all(scp); break; case 'T': /* scroll down n lines */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->ysize) n = scp->ysize; bcopy(scp->scr_buf, scp->scr_buf + (scp->xsize * n), scp->xsize * (scp->ysize - n) * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf, scp->xsize * n); mark_all(scp); break; case 'X': /* erase n characters in line */ n = scp->term.param[0]; if (n < 1) n = 1; if (n > scp->xsize - scp->xpos) n = scp->xsize - scp->xpos; fillw(scp->term.cur_color | scr_map[0x20], scp->cursor_pos, n); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n); break; case 'Z': /* move n tabs backwards */ n = scp->term.param[0]; if (n < 1) n = 1; if ((i = scp->xpos & 0xf8) == scp->xpos) i -= 8*n; else i -= 8*(n-1); if (i < 0) i = 0; move_crsr(scp, i, scp->ypos); break; case '`': /* move cursor to column n */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, n - 1, scp->ypos); break; case 'a': /* move cursor n columns to the right */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos + n, scp->ypos); break; case 'd': /* move cursor to row n */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, n - 1); break; case 'e': /* move cursor n rows down */ n = scp->term.param[0]; if (n < 1) n = 1; move_crsr(scp, scp->xpos, scp->ypos + n); break; case 'm': /* change attribute */ if (scp->term.num_param == 0) { scp->term.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color; break; } for (i = 0; i < scp->term.num_param; i++) { switch (n = scp->term.param[i]) { case 0: /* back to normal */ scp->term.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color; break; case 1: /* bold */ scp->term.attr_mask |= BOLD_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 4: /* underline */ scp->term.attr_mask |= UNDERLINE_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 5: /* blink */ scp->term.attr_mask |= BLINK_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 7: /* reverse video */ scp->term.attr_mask |= REVERSE_ATTR; scp->term.cur_attr = mask2attr(&scp->term); break; case 30: case 31: /* set fg color */ case 32: case 33: case 34: case 35: case 36: case 37: scp->term.attr_mask |= FOREGROUND_CHANGED; scp->term.cur_color = (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8); scp->term.cur_attr = mask2attr(&scp->term); break; case 40: case 41: /* set bg color */ case 42: case 43: case 44: case 45: case 46: case 47: scp->term.attr_mask |= BACKGROUND_CHANGED; scp->term.cur_color = (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12); scp->term.cur_attr = mask2attr(&scp->term); break; } } break; case 's': /* Save cursor position */ scp->saved_xpos = scp->xpos; scp->saved_ypos = scp->ypos; break; case 'u': /* Restore saved cursor position */ if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0) move_crsr(scp, scp->saved_xpos, scp->saved_ypos); break; case 'x': if (scp->term.num_param == 0) n = 0; else n = scp->term.param[0]; switch (n) { case 0: /* reset attributes */ scp->term.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color = current_default->std_color; scp->term.rev_color = current_default->rev_color; break; case 1: /* set ansi background */ scp->term.attr_mask &= ~BACKGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0x0F00) | (ansi_col[(scp->term.param[1])&0x0F]<<12); scp->term.cur_attr = mask2attr(&scp->term); break; case 2: /* set ansi foreground */ scp->term.attr_mask &= ~FOREGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0xF000) | (ansi_col[(scp->term.param[1])&0x0F]<<8); scp->term.cur_attr = mask2attr(&scp->term); break; case 3: /* set ansi attribute directly */ scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED); scp->term.cur_color = scp->term.std_color = (scp->term.param[1]&0xFF)<<8; scp->term.cur_attr = mask2attr(&scp->term); break; case 5: /* set ansi reverse video background */ scp->term.rev_color = (scp->term.rev_color & 0x0F00) | (ansi_col[(scp->term.param[1])&0x0F]<<12); scp->term.cur_attr = mask2attr(&scp->term); break; case 6: /* set ansi reverse video foreground */ scp->term.rev_color = (scp->term.rev_color & 0xF000) | (ansi_col[(scp->term.param[1])&0x0F]<<8); scp->term.cur_attr = mask2attr(&scp->term); break; case 7: /* set ansi reverse video directly */ scp->term.rev_color = (scp->term.param[1]&0xFF)<<8; scp->term.cur_attr = mask2attr(&scp->term); break; } break; case 'z': /* switch to (virtual) console n */ if (scp->term.num_param == 1) switch_scr(scp, scp->term.param[0]); break; } } else if (scp->term.esc == 3) { /* seen ESC [0-9]+ = */ if (c >= '0' && c <= '9') { if (scp->term.num_param < MAX_ESC_PAR) { if (scp->term.last_param != scp->term.num_param) { scp->term.last_param = scp->term.num_param; scp->term.param[scp->term.num_param] = 0; } else scp->term.param[scp->term.num_param] *= 10; scp->term.param[scp->term.num_param] += c - '0'; return; } } scp->term.num_param = scp->term.last_param + 1; switch (c) { case ';': if (scp->term.num_param < MAX_ESC_PAR) return; break; case 'A': /* set display border color */ if (scp->term.num_param == 1) { scp->border=scp->term.param[0] & 0xff; if (scp == cur_console) set_border(scp->border); } break; case 'B': /* set bell pitch and duration */ if (scp->term.num_param == 2) { scp->bell_pitch = scp->term.param[0]; scp->bell_duration = scp->term.param[1]*10; } break; case 'C': /* set cursor type & shape */ if (scp->term.num_param == 1) { if (scp->term.param[0] & 0x01) flags |= BLINK_CURSOR; else flags &= ~BLINK_CURSOR; if ((scp->term.param[0] & 0x02) && crtc_vga) flags |= CHAR_CURSOR; else flags &= ~CHAR_CURSOR; } else if (scp->term.num_param == 2) { scp->cursor_start = scp->term.param[0] & 0x1F; scp->cursor_end = scp->term.param[1] & 0x1F; } /* * The cursor shape is global property; all virtual consoles * are affected. Update the cursor in the current console... */ if (!(cur_console->status & UNKNOWN_MODE)) { remove_cursor_image(cur_console); if (crtc_vga && (flags & CHAR_CURSOR)) set_destructive_cursor(cur_console); draw_cursor_image(cur_console); } break; case 'F': /* set ansi foreground */ if (scp->term.num_param == 1) { scp->term.attr_mask &= ~FOREGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0xF000) | ((scp->term.param[0] & 0x0F) << 8); scp->term.cur_attr = mask2attr(&scp->term); } break; case 'G': /* set ansi background */ if (scp->term.num_param == 1) { scp->term.attr_mask &= ~BACKGROUND_CHANGED; scp->term.cur_color = scp->term.std_color = (scp->term.std_color & 0x0F00) | ((scp->term.param[0] & 0x0F) << 12); scp->term.cur_attr = mask2attr(&scp->term); } break; case 'H': /* set ansi reverse video foreground */ if (scp->term.num_param == 1) { scp->term.rev_color = (scp->term.rev_color & 0xF000) | ((scp->term.param[0] & 0x0F) << 8); scp->term.cur_attr = mask2attr(&scp->term); } break; case 'I': /* set ansi reverse video background */ if (scp->term.num_param == 1) { scp->term.rev_color = (scp->term.rev_color & 0x0F00) | ((scp->term.param[0] & 0x0F) << 12); scp->term.cur_attr = mask2attr(&scp->term); } break; } } #if notyet else if (scp->term.esc == 4) { /* seen ESC Q */ /* to be filled */ } #endif else if (scp->term.esc == 5) { /* seen ESC ( */ switch (c) { case 'B': /* iso-2022: desginate ASCII into G0 */ break; /* other items to be filled */ default: break; } } scp->term.esc = 0; } static void ansi_put(scr_stat *scp, u_char *buf, int len) { u_char *ptr = buf; /* make screensaver happy */ if (scp == cur_console) scrn_time_stamp = mono_time.tv_sec; write_in_progress++; outloop: if (scp->term.esc) { scan_esc(scp, *ptr++); len--; } else if (PRINTABLE(*ptr)) { /* Print only printables */ int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos); u_short cur_attr = scp->term.cur_attr; u_short *cursor_pos = scp->cursor_pos; do { /* * gcc-2.6.3 generates poor (un)sign extension code. Casting the * pointers in the following to volatile should have no effect, * but in fact speeds up this inner loop from 26 to 18 cycles * (+ cache misses) on i486's. */ #define UCVP(ucp) ((u_char volatile *)(ucp)) *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr; ptr++; cnt--; } while (cnt && PRINTABLE(*ptr)); len -= (cursor_pos - scp->cursor_pos); scp->xpos += (cursor_pos - scp->cursor_pos); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); mark_for_update(scp, cursor_pos - scp->scr_buf); scp->cursor_pos = cursor_pos; if (scp->xpos >= scp->xsize) { scp->xpos = 0; scp->ypos++; } } else { switch(*ptr) { case 0x07: do_bell(scp, scp->bell_pitch, scp->bell_duration); break; case 0x08: /* non-destructive backspace */ if (scp->cursor_pos > scp->scr_buf) { mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos--; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); if (scp->xpos > 0) scp->xpos--; else { scp->xpos += scp->xsize - 1; scp->ypos--; } } break; case 0x09: /* non-destructive tab */ mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos += (8 - scp->xpos % 8u); mark_for_update(scp, scp->cursor_pos - scp->scr_buf); if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) { scp->xpos = 0; scp->ypos++; } break; case 0x0a: /* newline, same pos */ mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos += scp->xsize; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->ypos++; break; case 0x0c: /* form feed, clears screen */ clear_screen(scp); break; case 0x0d: /* return, return to pos 0 */ mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->cursor_pos -= scp->xpos; mark_for_update(scp, scp->cursor_pos - scp->scr_buf); scp->xpos = 0; break; case 0x1b: /* start escape sequence */ scp->term.esc = 1; scp->term.num_param = 0; break; } ptr++; len--; } /* do we have to scroll ?? */ if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) { remove_cutmarking(scp); if (scp->history) { bcopy(scp->scr_buf, scp->history_head, scp->xsize * sizeof(u_short)); scp->history_head += scp->xsize; if (scp->history_head + scp->xsize > scp->history + scp->history_size) scp->history_head = scp->history; } bcopy(scp->scr_buf + scp->xsize, scp->scr_buf, scp->xsize * (scp->ysize - 1) * sizeof(u_short)); fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf + scp->xsize * (scp->ysize - 1), scp->xsize); scp->cursor_pos -= scp->xsize; scp->ypos--; mark_all(scp); } if (len) goto outloop; write_in_progress--; if (delayed_next_scr) switch_scr(scp, delayed_next_scr - 1); } static void scinit(void) { u_int hw_cursor; u_int i; if (init_done != COLD) return; init_done = WARM; /* * Ensure a zero start address. This is mainly to recover after * switching from pcvt using userconfig(). The registers are w/o * for old hardware so it's too hard to relocate the active screen * memory. */ outb(crtc_addr, 12); outb(crtc_addr + 1, 0); outb(crtc_addr, 13); outb(crtc_addr + 1, 0); /* extract cursor location */ outb(crtc_addr, 14); hw_cursor = inb(crtc_addr + 1) << 8; outb(crtc_addr, 15); hw_cursor |= inb(crtc_addr + 1); /* * Validate cursor location. It may be off the screen. Then we must * not use it for the initial buffer offset. */ if (hw_cursor >= ROW * COL) hw_cursor = (ROW - 1) * COL; /* move hardware cursor out of the way */ outb(crtc_addr, 14); outb(crtc_addr + 1, 0xff); outb(crtc_addr, 15); outb(crtc_addr + 1, 0xff); /* set up the first console */ current_default = &user_default; console[0] = &main_console; init_scp(console[0]); cur_console = console[0]; /* discard the video mode table if we are not familiar with it... */ if (video_mode_ptr) { bzero(mode_map, sizeof(mode_map)); bcopy(video_mode_ptr + MODE_PARAM_SIZE*console[0]->mode, vgaregs2, sizeof(vgaregs2)); switch (comp_vgaregs(vgaregs, video_mode_ptr + MODE_PARAM_SIZE*console[0]->mode)) { case COMP_IDENTICAL: map_mode_table(mode_map, video_mode_ptr, M_VGA_CG320 + 1); /* * This is a kludge for Toshiba DynaBook SS433 whose BIOS video * mode table entry has the actual # of rows at the offset 1; * BIOSes from other manufacturers store the # of rows - 1 there. * XXX */ rows_offset = vgaregs[1] + 1 - video_mode_ptr[MODE_PARAM_SIZE*console[0]->mode + 1]; break; case COMP_SIMILAR: map_mode_table(mode_map, video_mode_ptr, M_VGA_CG320 + 1); mode_map[console[0]->mode] = vgaregs; rows_offset = vgaregs[1] + 1 - video_mode_ptr[MODE_PARAM_SIZE*console[0]->mode + 1]; vgaregs[1] -= rows_offset - 1; break; case COMP_DIFFERENT: default: video_mode_ptr = NULL; mode_map[console[0]->mode] = vgaregs; rows_offset = 1; break; } } /* copy screen to temporary buffer */ sc_bcopy(Crtat, sc_buffer, console[0]->xsize * console[0]->ysize * sizeof(u_short)); console[0]->scr_buf = console[0]->mouse_pos = sc_buffer; console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor; console[0]->cursor_saveunder = *console[0]->cursor_pos; console[0]->xpos = hw_cursor % COL; console[0]->ypos = hw_cursor / COL; for (i=1; i= MODE_MAP_SIZE) mode = map_mode_num(mode); if (mode < MODE_MAP_SIZE) return mode_map[mode]; else return NULL; } static scr_stat *alloc_scp() { scr_stat *scp; scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK); init_scp(scp); scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK); scp->mouse_pos = scp->mouse_oldpos = scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); scp->history_head = scp->history_pos = (u_short *)malloc(scp->history_size*sizeof(u_short), M_DEVBUF, M_WAITOK); bzero(scp->history_head, scp->history_size*sizeof(u_short)); scp->history = scp->history_head; /* SOS if (crtc_vga && video_mode_ptr) set_mode(scp); */ clear_screen(scp); scp->cursor_saveunder = *scp->cursor_pos; return scp; } static void init_scp(scr_stat *scp) { if (crtc_vga) if (crtc_addr == MONO_BASE) scp->mode = M_VGA_M80x25; else scp->mode = M_VGA_C80x25; else if (crtc_addr == MONO_BASE) scp->mode = M_B80x25; else scp->mode = M_C80x25; scp->initial_mode = scp->mode; scp->font_size = 16; scp->xsize = COL; scp->ysize = ROW; scp->xpos = scp->ypos = 0; scp->saved_xpos = scp->saved_ypos = -1; scp->start = scp->xsize * scp->ysize; scp->end = 0; scp->term.esc = 0; scp->term.attr_mask = NORMAL_ATTR; scp->term.cur_attr = scp->term.cur_color = scp->term.std_color = current_default->std_color; scp->term.rev_color = current_default->rev_color; scp->border = BG_BLACK; scp->cursor_start = *(char *)pa_to_va(0x461); scp->cursor_end = *(char *)pa_to_va(0x460); scp->mouse_xpos = scp->xsize*8/2; scp->mouse_ypos = scp->ysize*scp->font_size/2; scp->mouse_cut_start = scp->mouse_cut_end = NULL; scp->mouse_signal = 0; scp->mouse_pid = 0; scp->mouse_proc = NULL; scp->bell_pitch = BELL_PITCH; scp->bell_duration = BELL_DURATION; scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0; scp->status |= CURSOR_ENABLED; scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; scp->history_head = scp->history_pos = scp->history = NULL; scp->history_size = imax(SC_HISTORY_SIZE, scp->ysize) * scp->xsize; } static u_char *get_fstr(u_int c, u_int *len) { u_int i; if (!(c & FKEY)) return(NULL); i = (c & 0xFF) - F_FN; if (i > n_fkey_tab) return(NULL); *len = fkey_tab[i].len; return(fkey_tab[i].str); } static void history_to_screen(scr_stat *scp) { int i; for (i=0; iysize; i++) bcopy(scp->history + (((scp->history_pos - scp->history) + scp->history_size-((i+1)*scp->xsize))%scp->history_size), scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)), scp->xsize * sizeof(u_short)); mark_all(scp); } static int history_up_line(scr_stat *scp) { if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) != scp->history_head) { scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize); history_to_screen(scp); return 0; } else return -1; } static int history_down_line(scr_stat *scp) { if (scp->history_pos != scp->history_head) { scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize); history_to_screen(scp); return 0; } else return -1; } /* * scgetc(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(u_int flags) { struct key_t *key; u_char scancode, keycode; u_int state, action; int c; static u_char esc_flag = 0, compose = 0; static u_int chr = 0; next_code: /* first see if there is something in the keyboard port */ if (flags & SCGETC_NONBLOCK) { c = read_kbd_data_no_wait(sc_kbdc); if (c == -1) return(NOKEY); } else { do { c = read_kbd_data(sc_kbdc); } while(c == -1); } scancode = (u_char)c; /* do the /dev/random device a favour */ if (!(flags & SCGETC_CN)) add_keyboard_randomness(scancode); if (cur_console->status & KBD_RAW_MODE) return scancode; keycode = scancode & 0x7F; switch (esc_flag) { case 0x00: /* normal scancode */ switch(scancode) { case 0xB8: /* left alt (compose key) */ if (compose) { compose = 0; if (chr > 255) { do_bell(cur_console, BELL_PITCH, BELL_DURATION); chr = 0; } } break; case 0x38: if (!compose) { compose = 1; chr = 0; } break; case 0xE0: case 0xE1: esc_flag = scancode; goto next_code; } break; case 0xE0: /* 0xE0 prefix */ esc_flag = 0; switch (keycode) { case 0x1C: /* right enter key */ keycode = 0x59; break; case 0x1D: /* right ctrl key */ keycode = 0x5A; break; case 0x35: /* keypad divide key */ keycode = 0x5B; break; case 0x37: /* print scrn key */ keycode = 0x5C; break; case 0x38: /* right alt key (alt gr) */ keycode = 0x5D; break; case 0x47: /* grey home key */ keycode = 0x5E; break; case 0x48: /* grey up arrow key */ keycode = 0x5F; break; case 0x49: /* grey page up key */ keycode = 0x60; break; case 0x4B: /* grey left arrow key */ keycode = 0x61; break; case 0x4D: /* grey right arrow key */ keycode = 0x62; break; case 0x4F: /* grey end key */ keycode = 0x63; break; case 0x50: /* grey down arrow key */ keycode = 0x64; break; case 0x51: /* grey page down key */ keycode = 0x65; break; case 0x52: /* grey insert key */ keycode = 0x66; break; case 0x53: /* grey delete key */ keycode = 0x67; break; /* the following 3 are only used on the MS "Natural" keyboard */ case 0x5b: /* left Window key */ keycode = 0x69; break; case 0x5c: /* right Window key */ keycode = 0x6a; break; case 0x5d: /* menu key */ keycode = 0x6b; break; default: /* ignore everything else */ goto next_code; } break; case 0xE1: /* 0xE1 prefix */ esc_flag = 0; if (keycode == 0x1D) esc_flag = 0x1D; goto next_code; /* NOT REACHED */ case 0x1D: /* pause / break */ esc_flag = 0; if (keycode != 0x45) goto next_code; keycode = 0x68; break; } if (cur_console->status & KBD_CODE_MODE) return (keycode | (scancode & 0x80)); /* if scroll-lock pressed allow history browsing */ if (cur_console->history && cur_console->status & SLKED) { int i; cur_console->status &= ~CURSOR_ENABLED; if (!(cur_console->status & BUFFER_SAVED)) { cur_console->status |= BUFFER_SAVED; cur_console->history_save = cur_console->history_head; /* copy screen into top of history buffer */ for (i=0; iysize; i++) { bcopy(cur_console->scr_buf + (cur_console->xsize * i), cur_console->history_head, cur_console->xsize * sizeof(u_short)); cur_console->history_head += cur_console->xsize; if (cur_console->history_head + cur_console->xsize > cur_console->history + cur_console->history_size) cur_console->history_head=cur_console->history; } cur_console->history_pos = cur_console->history_head; history_to_screen(cur_console); } switch (scancode) { case 0x47: /* home key */ cur_console->history_pos = cur_console->history_head; history_to_screen(cur_console); goto next_code; case 0x4F: /* end key */ cur_console->history_pos = WRAPHIST(cur_console, cur_console->history_head, cur_console->xsize*cur_console->ysize); history_to_screen(cur_console); goto next_code; case 0x48: /* up arrow key */ if (history_up_line(cur_console)) do_bell(cur_console, BELL_PITCH, BELL_DURATION); goto next_code; case 0x50: /* down arrow key */ if (history_down_line(cur_console)) do_bell(cur_console, BELL_PITCH, BELL_DURATION); goto next_code; case 0x49: /* page up key */ for (i=0; iysize; i++) if (history_up_line(cur_console)) { do_bell(cur_console, BELL_PITCH, BELL_DURATION); break; } goto next_code; case 0x51: /* page down key */ for (i=0; iysize; i++) if (history_down_line(cur_console)) { do_bell(cur_console, BELL_PITCH, BELL_DURATION); break; } goto next_code; } } if (compose) { switch (scancode) { /* key pressed process it */ case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */ chr = (scancode - 0x40) + chr*10; goto next_code; case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */ chr = (scancode - 0x47) + chr*10; goto next_code; case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */ chr = (scancode - 0x4E) + chr*10; goto next_code; case 0x52: /* keypad 0 */ chr *= 10; goto next_code; /* key release, no interest here */ case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */ case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */ case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */ case 0xD2: /* keypad 0 */ goto next_code; case 0x38: /* left alt key */ break; default: if (chr) { compose = chr = 0; do_bell(cur_console, BELL_PITCH, BELL_DURATION); goto next_code; } break; } } state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); if ((!agrs && (cur_console->status & ALKED)) || (agrs && !(cur_console->status & ALKED))) keycode += ALTGR_OFFSET; key = &key_map.key[keycode]; if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED)) || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) ) state ^= 1; /* Check for make/break */ action = key->map[state]; if (scancode & 0x80) { /* key released */ if (key->spcl & (0x80>>state)) { switch (action) { case LSH: shfts &= ~1; break; case RSH: shfts &= ~2; break; case LCTR: ctls &= ~1; break; case RCTR: ctls &= ~2; break; case LALT: alts &= ~1; break; case RALT: alts &= ~2; break; case NLK: nlkcnt = 0; break; case CLK: clkcnt = 0; break; case SLK: slkcnt = 0; break; case ASH: agrs = 0; break; case ALK: alkcnt = 0; break; case META: metas = 0; break; } } if (chr && !compose) { action = chr; chr = 0; return(action); } } else { /* key pressed */ if (key->spcl & (0x80>>state)) { switch (action) { /* LOCKING KEYS */ case NLK: #ifdef SC_SPLASH_SCREEN toggle_splash_screen(cur_console); /* SOS XXX */ #endif if (!nlkcnt) { nlkcnt++; if (cur_console->status & NLKED) cur_console->status &= ~NLKED; else cur_console->status |= NLKED; update_leds(cur_console->status); } break; case CLK: if (!clkcnt) { clkcnt++; if (cur_console->status & CLKED) cur_console->status &= ~CLKED; else cur_console->status |= CLKED; update_leds(cur_console->status); } break; case SLK: if (!slkcnt) { slkcnt++; if (cur_console->status & SLKED) { cur_console->status &= ~SLKED; if (cur_console->status & BUFFER_SAVED){ int i; u_short *ptr = cur_console->history_save; for (i=0; iysize; i++) { bcopy(ptr, cur_console->scr_buf + (cur_console->xsize*i), cur_console->xsize * sizeof(u_short)); ptr += cur_console->xsize; if (ptr + cur_console->xsize > cur_console->history + cur_console->history_size) ptr = cur_console->history; } cur_console->status &= ~BUFFER_SAVED; cur_console->history_head=cur_console->history_save; cur_console->status |= CURSOR_ENABLED; mark_all(cur_console); } scstart(VIRTUAL_TTY(get_scr_num())); } else cur_console->status |= SLKED; update_leds(cur_console->status); } break; case ALK: if (!alkcnt) { alkcnt++; if (cur_console->status & ALKED) cur_console->status &= ~ALKED; else cur_console->status |= ALKED; update_leds(cur_console->status); } break; /* NON-LOCKING KEYS */ case NOP: break; case SPSC: #ifdef SC_SPLASH_SCREEN accents = 0; toggle_splash_screen(cur_console); #endif break; case RBT: accents = 0; shutdown_nice(); break; case SUSP: #if NAPM > 0 accents = 0; apm_suspend(); #endif break; case DBG: #ifdef DDB /* try to switch to console 0 */ accents = 0; if (cur_console->smode.mode == VT_AUTO && console[0]->smode.mode == VT_AUTO) switch_scr(cur_console, 0); Debugger("manual escape to debugger"); #else printf("No debugger in kernel\n"); #endif break; case LSH: shfts |= 1; break; case RSH: shfts |= 2; break; case LCTR: ctls |= 1; break; case RCTR: ctls |= 2; break; case LALT: alts |= 1; break; case RALT: alts |= 2; break; case ASH: agrs = 1; break; case META: metas = 1; break; case NEXT: { int next, this = get_scr_num(); for (next = this+1; next != this; next = (next+1)%MAXCONS) { struct tty *tp = VIRTUAL_TTY(next); if (tp->t_state & TS_ISOPEN) { switch_scr(cur_console, next); break; } } } break; case BTAB: accents = 0; return(BKEY); default: if (action >= F_ACC && action <= L_ACC) { accents = action - F_ACC + 1; if (accent_map.acc[accents - 1].accchar == 0) { accents = 0; do_bell(cur_console, BELL_PITCH, BELL_DURATION); } break; } if (accents > 0) { accents = 0; do_bell(cur_console, BELL_PITCH, BELL_DURATION); } if (action >= F_SCR && action <= L_SCR) { switch_scr(cur_console, action - F_SCR); break; } if (action >= F_FN && action <= L_FN) action |= FKEY; return(action); } } else { if (accents) { struct acc_t *acc; int i; acc = &accent_map.acc[accents - 1]; accents = 0; if (action == ' ') { action = acc->accchar; if (metas) action |= MKEY; return (action); } for (i = 0; i < NUM_ACCENTCHARS; ++i) { if (acc->map[i][0] == 0) break; if (acc->map[i][0] == action) { action = acc->map[i][1]; if (metas) action |= MKEY; return (action); } } do_bell(cur_console, BELL_PITCH, BELL_DURATION); goto next_code; } if (metas) action |= MKEY; return(action); } } goto next_code; } int scmmap(dev_t dev, int offset, int nprot) { if (offset > 0x20000 - PAGE_SIZE) return -1; return i386_btop((VIDEOMEM + offset)); } /* * Calculate hardware attributes word using logical attributes mask and * hardware colors */ static int mask2attr(struct term_stat *term) { int attr, mask = term->attr_mask; if (mask & REVERSE_ATTR) { attr = ((mask & FOREGROUND_CHANGED) ? ((term->cur_color & 0xF000) >> 4) : (term->rev_color & 0x0F00)) | ((mask & BACKGROUND_CHANGED) ? ((term->cur_color & 0x0F00) << 4) : (term->rev_color & 0xF000)); } else attr = term->cur_color; /* XXX: underline mapping for Hercules adapter can be better */ if (mask & (BOLD_ATTR | UNDERLINE_ATTR)) attr ^= 0x0800; if (mask & BLINK_ATTR) attr ^= 0x8000; return attr; } static void set_keyboard(int command, int data) { int s; if (sc_kbdc == NULL) return; /* prevent the timeout routine from polling the keyboard */ if (!kbdc_lock(sc_kbdc, TRUE)) return; /* disable the keyboard and mouse interrupt */ s = spltty(); #if 0 c = get_controller_command_byte(sc_kbdc); if ((c == -1) || !set_controller_command_byte(sc_kbdc, kbdc_get_device_mask(sc_kbdc), KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { /* CONTROLLER ERROR */ kbdc_lock(sc_kbdc, FALSE); splx(s); return; } /* * Now that the keyboard controller is told not to generate * the keyboard and mouse interrupts, call `splx()' to allow * the other tty interrupts. The clock interrupt may also occur, * but the timeout routine (`scrn_timer()') will be blocked * by the lock flag set via `kbdc_lock()' */ splx(s); #endif if (send_kbd_command_and_data(sc_kbdc, command, data) != KBD_ACK) send_kbd_command(sc_kbdc, KBDC_ENABLE_KBD); #if 0 /* restore the interrupts */ if (!set_controller_command_byte(sc_kbdc, kbdc_get_device_mask(sc_kbdc), c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { /* CONTROLLER ERROR */ } #else splx(s); #endif kbdc_lock(sc_kbdc, FALSE); } static void update_leds(int which) { static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; /* replace CAPS led with ALTGR led for ALTGR keyboards */ if (key_map.n_keys > ALTGR_OFFSET) { if (which & ALKED) which |= CLKED; else which &= ~CLKED; } set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]); } void set_mode(scr_stat *scp) { char special_modetable[MODE_PARAM_SIZE]; char *mp; if (scp != cur_console) return; /* * even if mode switching is disabled, we can change back * to the initial mode or the custom mode based on the initial * mode if we have saved register values upon start-up. */ mp = get_mode_param(scp, scp->mode); if (mp == NULL) return; bcopy(mp, &special_modetable, sizeof(special_modetable)); /* setup video hardware for the given mode */ switch (scp->mode) { case M_VGA_C80x60: case M_VGA_M80x60: special_modetable[2] = 0x08; special_modetable[19] = 0x47; goto special_480l; case M_VGA_C80x30: case M_VGA_M80x30: special_modetable[19] = 0x4f; special_480l: special_modetable[9] |= 0xc0; special_modetable[16] = 0x08; special_modetable[17] = 0x3e; special_modetable[26] = 0xea; special_modetable[28] = 0xdf; special_modetable[31] = 0xe7; special_modetable[32] = 0x04; goto setup_mode; case M_ENH_C80x43: case M_ENH_B80x43: special_modetable[28] = 87; goto special_80x50; case M_VGA_C80x50: case M_VGA_M80x50: special_80x50: special_modetable[2] = 8; special_modetable[19] = 7; goto setup_mode; case M_VGA_C40x25: case M_VGA_C80x25: case M_VGA_M80x25: case M_B40x25: case M_C40x25: case M_B80x25: case M_C80x25: case M_ENH_B40x25: case M_ENH_C40x25: case M_ENH_B80x25: case M_ENH_C80x25: case M_EGAMONO80x25: setup_mode: set_vgaregs(special_modetable); scp->font_size = special_modetable[2]; /* set font type (size) */ if (scp->font_size < 14) { if (fonts_loaded & FONT_8) copy_font(LOAD, FONT_8, font_8); outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */ } else if (scp->font_size >= 16) { if (fonts_loaded & FONT_16) copy_font(LOAD, FONT_16, font_16); outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */ } else { if (fonts_loaded & FONT_14) copy_font(LOAD, FONT_14, font_14); outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */ } if (flags & CHAR_CURSOR) set_destructive_cursor(scp); mark_all(scp); break; case M_VGA_MODEX: /* "unchain" the VGA mode */ special_modetable[5-1+0x04] &= 0xf7; special_modetable[5-1+0x04] |= 0x04; /* turn off doubleword mode */ special_modetable[10+0x14] &= 0xbf; /* turn off word adressing */ special_modetable[10+0x17] |= 0x40; /* set logical screen width */ special_modetable[10+0x13] = 80; /* set 240 lines */ special_modetable[10+0x11] = 0x2c; special_modetable[10+0x06] = 0x0d; special_modetable[10+0x07] = 0x3e; special_modetable[10+0x10] = 0xea; special_modetable[10+0x11] = 0xac; special_modetable[10+0x12] = 0xdf; special_modetable[10+0x15] = 0xe7; special_modetable[10+0x16] = 0x06; /* set vertical sync polarity to reflect aspect ratio */ special_modetable[9] = 0xe3; goto setup_grmode; case M_BG320: case M_CG320: case M_BG640: case M_CG320_D: case M_CG640_E: case M_CG640x350: case M_ENH_CG640: case M_BG640x480: case M_CG640x480: case M_VGA_CG320: setup_grmode: set_vgaregs(special_modetable); scp->font_size = FONT_NONE; break; default: /* call user defined function XXX */ break; } /* set border color for this (virtual) console */ set_border(scp->border); return; } void set_border(u_char color) { switch (crtc_type) { case KD_EGA: case KD_VGA: inb(crtc_addr + 6); /* reset flip-flop */ outb(ATC, 0x31); outb(ATC, color); break; case KD_CGA: outb(crtc_addr + 5, color & 0x0f); /* color select register */ break; case KD_MONO: case KD_HERCULES: default: break; } } static void set_vgaregs(char *modetable) { int i, s = splhigh(); outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ for (i=0; i<4; i++) { /* program sequencer */ outb(TSIDX, i+1); outb(TSREG, modetable[i+5]); } outb(MISC, modetable[9]); /* set dot-clock */ outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ outb(crtc_addr, 0x11); outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F); for (i=0; i<25; i++) { /* program crtc */ outb(crtc_addr, i); if (i == 14 || i == 15) /* no hardware cursor */ outb(crtc_addr+1, 0xff); else outb(crtc_addr+1, modetable[i+10]); } inb(crtc_addr+6); /* reset flip-flop */ for (i=0; i<20; i++) { /* program attribute ctrl */ outb(ATC, i); outb(ATC, modetable[i+35]); } for (i=0; i<9; i++) { /* program graph data ctrl */ outb(GDCIDX, i); outb(GDCREG, modetable[i+55]); } inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x20); /* enable palette */ splx(s); } static void read_vgaregs(char *buf) { int i, j; int s; bzero(buf, MODE_PARAM_SIZE); s = splhigh(); outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */ outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */ for (i=0, j=5; i<4; i++) { outb(TSIDX, i+1); buf[j++] = inb(TSREG); } buf[9] = inb(MISC + 10); /* dot-clock */ outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */ for (i=0, j=10; i<25; i++) { /* crtc */ outb(crtc_addr, i); buf[j++] = inb(crtc_addr+1); } for (i=0, j=35; i<20; i++) { /* attribute ctrl */ inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, i); buf[j++] = inb(ATC + 1); } for (i=0, j=55; i<9; i++) { /* graph data ctrl */ outb(GDCIDX, i); buf[j++] = inb(GDCREG); } inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x20); /* enable palette */ buf[0] = *(char *)pa_to_va(0x44a); /* COLS */ buf[1] = *(char *)pa_to_va(0x484); /* ROWS */ buf[2] = *(char *)pa_to_va(0x485); /* POINTS */ buf[3] = *(char *)pa_to_va(0x44c); buf[4] = *(char *)pa_to_va(0x44d); splx(s); } static int comp_vgaregs(u_char *buf1, u_char *buf2) { static struct { u_char mask; } params[MODE_PARAM_SIZE] = { 0xff, 0x00, 0xff, /* COLS, ROWS, POINTS */ 0xff, 0xff, /* page length */ 0xfe, 0xff, 0xff, 0xff, /* sequencer registers */ 0xf3, /* misc register */ 0xff, 0xff, 0xff, 0x7f, 0xff, /* CRTC */ 0xff, 0xff, 0xff, 0x7f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x7f, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* attribute controller registers */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, /* GDC register */ 0xff, 0xff, 0xff, 0xff, }; int identical = TRUE; int i; for (i = 0; i < sizeof(params)/sizeof(params[0]); ++i) { if (params[i].mask == 0) /* don't care */ continue; if ((buf1[i] & params[i].mask) != (buf2[i] & params[i].mask)) return COMP_DIFFERENT; if (buf1[i] != buf2[i]) identical = FALSE; } return (identical) ? COMP_IDENTICAL : COMP_SIMILAR; #if 0 for(i = 0; i < 20; ++i) { if (*buf1++ != *buf2++) return COMP_DIFFERENT; } buf1 += 2; /* skip the cursor shape */ buf2 += 2; for(i = 22; i < 24; ++i) { if (*buf1++ != *buf2++) return COMP_DIFFERENT; } buf1 += 2; /* skip the cursor position */ buf2 += 2; for(i = 26; i < MODE_PARAM_SIZE; ++i) { if (*buf1++ != *buf2++) return COMP_DIFFERENT; } return COMP_IDENTICAL; #endif } static void dump_vgaregs(u_char *buf) { int i; for(i = 0; i < MODE_PARAM_SIZE;) { printf("%02x ", buf[i]); if ((++i % 16) == 0) printf("\n"); } } static void set_font_mode(u_char *buf) { int s = splhigh(); /* save register values */ outb(TSIDX, 0x02); buf[0] = inb(TSREG); outb(TSIDX, 0x04); buf[1] = inb(TSREG); outb(GDCIDX, 0x04); buf[2] = inb(GDCREG); outb(GDCIDX, 0x05); buf[3] = inb(GDCREG); outb(GDCIDX, 0x06); buf[4] = inb(GDCREG); inb(crtc_addr + 6); outb(ATC, 0x10); buf[5] = inb(ATC + 1); /* setup vga for loading fonts (graphics plane mode) */ inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x10); outb(ATC, 0x01); inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x20); /* enable palette */ #if SLOW_VGA outb(TSIDX, 0x02); outb(TSREG, 0x04); outb(TSIDX, 0x04); outb(TSREG, 0x06); outb(GDCIDX, 0x04); outb(GDCREG, 0x02); outb(GDCIDX, 0x05); outb(GDCREG, 0x00); outb(GDCIDX, 0x06); outb(GDCREG, 0x05); #else outw(TSIDX, 0x0402); outw(TSIDX, 0x0604); outw(GDCIDX, 0x0204); outw(GDCIDX, 0x0005); outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */ #endif splx(s); } static void set_normal_mode(u_char *buf) { char *modetable; int s = splhigh(); /* setup vga for normal operation mode again */ inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x10); outb(ATC, buf[5]); inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x20); /* enable palette */ #if SLOW_VGA outb(TSIDX, 0x02); outb(TSREG, buf[0]); outb(TSIDX, 0x04); outb(TSREG, buf[1]); outb(GDCIDX, 0x04); outb(GDCREG, buf[2]); outb(GDCIDX, 0x05); outb(GDCREG, buf[3]); if (crtc_addr == MONO_BASE) { outb(GDCIDX, 0x06); outb(GDCREG,(buf[4] & 0x03) | 0x08); } else { outb(GDCIDX, 0x06); outb(GDCREG,(buf[4] & 0x03) | 0x0c); } #else outw(TSIDX, 0x0002 | (buf[0] << 8)); outw(TSIDX, 0x0004 | (buf[1] << 8)); outw(GDCIDX, 0x0004 | (buf[2] << 8)); outw(GDCIDX, 0x0005 | (buf[3] << 8)); if (crtc_addr == MONO_BASE) outw(GDCIDX, 0x0006 | (((buf[4] & 0x03) | 0x08)<<8)); else outw(GDCIDX, 0x0006 | (((buf[4] & 0x03) | 0x0c)<<8)); #endif splx(s); } void copy_font(int operation, int font_type, char* font_image) { int ch, line, segment, fontsize; u_char buf[PARAM_BUFSIZE]; u_char val; switch (font_type) { default: case FONT_8: segment = 0x8000; fontsize = 8; break; case FONT_14: segment = 0x4000; fontsize = 14; break; case FONT_16: segment = 0x0000; fontsize = 16; break; } outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */ outb(TSIDX, 0x01); outb(TSREG, val | 0x20); set_font_mode(buf); for (ch=0; ch < 256; ch++) for (line=0; line < fontsize; line++) if (operation) *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) = font_image[(ch*fontsize)+line]; else font_image[(ch*fontsize)+line] = *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line); set_normal_mode(buf); outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */ } static void set_destructive_cursor(scr_stat *scp) { u_char buf[PARAM_BUFSIZE]; u_char cursor[32]; caddr_t address; int i; char *font_buffer; if (scp->font_size < 14) { font_buffer = font_8; address = (caddr_t)VIDEOMEM + 0x8000; } else if (scp->font_size >= 16) { font_buffer = font_16; address = (caddr_t)VIDEOMEM; } else { font_buffer = font_14; address = (caddr_t)VIDEOMEM + 0x4000; } if (scp->status & MOUSE_VISIBLE) { if ((scp->cursor_saveunder & 0xff) == 0xd0) bcopy(&scp->mouse_cursor[0], cursor, scp->font_size); else if ((scp->cursor_saveunder & 0xff) == 0xd1) bcopy(&scp->mouse_cursor[32], cursor, scp->font_size); else if ((scp->cursor_saveunder & 0xff) == 0xd2) bcopy(&scp->mouse_cursor[64], cursor, scp->font_size); else if ((scp->cursor_saveunder & 0xff) == 0xd3) bcopy(&scp->mouse_cursor[96], cursor, scp->font_size); else bcopy(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size), cursor, scp->font_size); } else bcopy(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size), cursor, scp->font_size); for (i=0; i<32; i++) if ((i >= scp->cursor_start && i <= scp->cursor_end) || (scp->cursor_start >= scp->font_size && i == scp->font_size - 1)) cursor[i] |= 0xff; #if 1 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ; #endif set_font_mode(buf); sc_bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32); set_normal_mode(buf); } static void set_mouse_pos(scr_stat *scp) { static int last_xpos = -1, last_ypos = -1; if (scp->mouse_xpos < 0) scp->mouse_xpos = 0; if (scp->mouse_ypos < 0) scp->mouse_ypos = 0; if (scp->status & UNKNOWN_MODE) { if (scp->mouse_xpos > scp->xpixel-1) scp->mouse_xpos = scp->xpixel-1; if (scp->mouse_ypos > scp->ypixel-1) scp->mouse_ypos = scp->ypixel-1; return; } if (scp->mouse_xpos > (scp->xsize*8)-1) scp->mouse_xpos = (scp->xsize*8)-1; if (scp->mouse_ypos > (scp->ysize*scp->font_size)-1) scp->mouse_ypos = (scp->ysize*scp->font_size)-1; if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) { scp->status |= MOUSE_MOVED; scp->mouse_pos = scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8); if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING)) mouse_cut(scp); } } #define isspace(c) (((c) & 0xff) == ' ') static int skip_spc_right(scr_stat *scp, u_short *p) { int i; for (i = (p - scp->scr_buf) % scp->xsize; i < scp->xsize; ++i) { if (!isspace(*p)) break; ++p; } return i; } static int skip_spc_left(scr_stat *scp, u_short *p) { int i; for (i = (p-- - scp->scr_buf) % scp->xsize - 1; i >= 0; --i) { if (!isspace(*p)) break; --p; } return i; } static void mouse_cut(scr_stat *scp) { u_short *end; u_short *p; int i = 0; int j = 0; scp->mouse_cut_end = (scp->mouse_pos >= scp->mouse_cut_start) ? scp->mouse_pos + 1 : scp->mouse_pos; end = (scp->mouse_cut_start > scp->mouse_cut_end) ? scp->mouse_cut_start : scp->mouse_cut_end; for (p = (scp->mouse_cut_start > scp->mouse_cut_end) ? scp->mouse_cut_end : scp->mouse_cut_start; p < end; ++p) { cut_buffer[i] = *p & 0xff; /* remember the position of the last non-space char */ if (!isspace(cut_buffer[i++])) j = i; /* trim trailing blank when crossing lines */ if (((p - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) { cut_buffer[j++] = '\n'; i = j; } } cut_buffer[i] = '\0'; /* scan towards the end of the last line */ --p; for (i = (p - scp->scr_buf) % scp->xsize; i < scp->xsize; ++i) { if (!isspace(*p)) break; ++p; } /* if there is nothing but blank chars, trim them, but mark towards eol */ if (i >= scp->xsize) { if (scp->mouse_cut_start > scp->mouse_cut_end) scp->mouse_cut_start = p; else scp->mouse_cut_end = p; cut_buffer[j++] = '\n'; cut_buffer[j] = '\0'; } mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf); mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf); } static void mouse_cut_start(scr_stat *scp) { int i; if (scp->status & MOUSE_VISIBLE) { if (scp->mouse_pos == scp->mouse_cut_start && scp->mouse_cut_start == scp->mouse_cut_end - 1) { cut_buffer[0] = '\0'; remove_cutmarking(scp); } else if (skip_spc_right(scp, scp->mouse_pos) >= scp->xsize) { /* if the pointer is on trailing blank chars, mark towards eol */ i = skip_spc_left(scp, scp->mouse_pos) + 1; scp->mouse_cut_start = scp->scr_buf + ((scp->mouse_pos - scp->scr_buf) / scp->xsize) * scp->xsize + i; scp->mouse_cut_end = scp->scr_buf + ((scp->mouse_pos - scp->scr_buf) / scp->xsize + 1) * scp->xsize; cut_buffer[0] = '\n'; cut_buffer[1] = '\0'; scp->status |= MOUSE_CUTTING; } else { scp->mouse_cut_start = scp->mouse_pos; scp->mouse_cut_end = scp->mouse_cut_start + 1; cut_buffer[0] = *scp->mouse_cut_start & 0xff; cut_buffer[1] = '\0'; scp->status |= MOUSE_CUTTING; } mark_all(scp); /* delete all other screens cut markings */ for (i=0; istatus & MOUSE_VISIBLE) { scp->status &= ~MOUSE_CUTTING; } } static void mouse_cut_word(scr_stat *scp) { u_short *p; u_short *sol; u_short *eol; int i; /* * Because we don't have locale information in the kernel, * we only distinguish space char and non-space chars. Punctuation * chars, symbols and other regular chars are all treated alike. */ if (scp->status & MOUSE_VISIBLE) { sol = scp->scr_buf + ((scp->mouse_pos - scp->scr_buf) / scp->xsize) * scp->xsize; eol = sol + scp->xsize; if (isspace(*scp->mouse_pos)) { for (p = scp->mouse_pos; p >= sol; --p) if (!isspace(*p)) break; scp->mouse_cut_start = ++p; for (p = scp->mouse_pos; p < eol; ++p) if (!isspace(*p)) break; scp->mouse_cut_end = p; } else { for (p = scp->mouse_pos; p >= sol; --p) if (isspace(*p)) break; scp->mouse_cut_start = ++p; for (p = scp->mouse_pos; p < eol; ++p) if (isspace(*p)) break; scp->mouse_cut_end = p; } for (i = 0, p = scp->mouse_cut_start; p < scp->mouse_cut_end; ++p) cut_buffer[i++] = *p & 0xff; cut_buffer[i] = '\0'; scp->status |= MOUSE_CUTTING; } } static void mouse_cut_line(scr_stat *scp) { u_short *p; int i; if (scp->status & MOUSE_VISIBLE) { scp->mouse_cut_start = scp->scr_buf + ((scp->mouse_pos - scp->scr_buf) / scp->xsize) * scp->xsize; scp->mouse_cut_end = scp->mouse_cut_start + scp->xsize; for (i = 0, p = scp->mouse_cut_start; p < scp->mouse_cut_end; ++p) cut_buffer[i++] = *p & 0xff; cut_buffer[i++] = '\n'; cut_buffer[i] = '\0'; scp->status |= MOUSE_CUTTING; } } static void mouse_cut_extend(scr_stat *scp) { if ((scp->status & MOUSE_VISIBLE) && !(scp->status & MOUSE_CUTTING) && (scp->mouse_cut_start != NULL)) { mouse_cut(scp); scp->status |= MOUSE_CUTTING; } } static void mouse_paste(scr_stat *scp) { if (scp->status & MOUSE_VISIBLE) { struct tty *tp; u_char *ptr = cut_buffer; tp = VIRTUAL_TTY(get_scr_num()); while (*ptr) (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp); } } static void draw_mouse_image(scr_stat *scp) { caddr_t address; int i; char *font_buffer; u_char buf[PARAM_BUFSIZE]; u_short buffer[32]; u_short xoffset, yoffset; u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf); int font_size = scp->font_size; if (font_size < 14) { font_buffer = font_8; address = (caddr_t)VIDEOMEM + 0x8000; } else if (font_size >= 16) { font_buffer = font_16; address = (caddr_t)VIDEOMEM; } else { font_buffer = font_14; address = (caddr_t)VIDEOMEM + 0x4000; } xoffset = scp->mouse_xpos % 8; yoffset = scp->mouse_ypos % font_size; /* prepare mousepointer char's bitmaps */ bcopy(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size), &scp->mouse_cursor[0], font_size); bcopy(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size), &scp->mouse_cursor[32], font_size); bcopy(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size), &scp->mouse_cursor[64], font_size); bcopy(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size), &scp->mouse_cursor[96], font_size); for (i=0; imouse_cursor[i]<<8 | scp->mouse_cursor[i+32]; buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96]; } /* now and-or in the mousepointer image */ for (i=0; i<16; i++) { buffer[i+yoffset] = ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset)) | (mouse_or_mask[i] >> xoffset); } for (i=0; imouse_cursor[i] = (buffer[i] & 0xff00) >> 8; scp->mouse_cursor[i+32] = buffer[i] & 0xff; scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8; scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff; } scp->mouse_oldpos = scp->mouse_pos; #if 1 /* wait for vertical retrace to avoid jitter on some videocards */ while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ; #endif set_font_mode(buf); sc_bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128); set_normal_mode(buf); *(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0; *(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2; if (scp->mouse_xpos < (scp->xsize-1)*8) { *(crt_pos+1) = (*(scp->mouse_pos+1)&0xff00)|0xd1; *(crt_pos+scp->xsize+1) = (*(scp->mouse_pos+scp->xsize+1)&0xff00)|0xd3; } mark_for_update(scp, scp->mouse_pos - scp->scr_buf); mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf); } static void remove_mouse_image(scr_stat *scp) { u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf); *(crt_pos) = *(scp->mouse_oldpos); *(crt_pos+1) = *(scp->mouse_oldpos+1); *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize); *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1); mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf); mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf); } static void draw_cutmarking(scr_stat *scp) { u_short *ptr; u_short och, nch; for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) { nch = och = *(Crtat + (ptr - scp->scr_buf)); /* are we outside the selected area ? */ if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ? scp->mouse_cut_end : scp->mouse_cut_start) || ptr >= (scp->mouse_cut_start > scp->mouse_cut_end ? scp->mouse_cut_start : scp->mouse_cut_end)) { if (ptr != scp->cursor_pos) nch = (och & 0xff) | (*ptr & 0xff00); } else { /* are we clear of the cursor image ? */ if (ptr != scp->cursor_pos) nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4; else { if (flags & CHAR_CURSOR) nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4; else if (!(flags & BLINK_CURSOR)) nch = (och & 0xff) | (*ptr & 0xff00); } } if (nch != och) *(Crtat + (ptr - scp->scr_buf)) = nch; } } static void remove_cutmarking(scr_stat *scp) { scp->mouse_cut_start = scp->mouse_cut_end = NULL; scp->status &= ~MOUSE_CUTTING; mark_all(scp); } static void save_palette(void) { int i; outb(PALRADR, 0x00); for (i=0x00; i<0x300; i++) palette[i] = inb(PALDATA); inb(crtc_addr+6); /* reset flip/flop */ } void load_palette(char *palette) { int i; outb(PIXMASK, 0xFF); /* no pixelmask */ outb(PALWADR, 0x00); for (i=0x00; i<0x300; i++) outb(PALDATA, palette[i]); inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x20); /* enable palette */ } static void do_bell(scr_stat *scp, int pitch, int duration) { if (flags & VISUAL_BELL) { if (blink_in_progress) return; blink_in_progress = 4; if (scp != cur_console) blink_in_progress += 2; blink_screen(cur_console); } else { if (scp != cur_console) pitch *= 2; sysbeep(pitch, duration); } } static void blink_screen(void *arg) { scr_stat *scp = arg; if ((scp->status & UNKNOWN_MODE) || (blink_in_progress <= 1)) { blink_in_progress = FALSE; mark_all(scp); if (delayed_next_scr) switch_scr(scp, delayed_next_scr - 1); } else { if (blink_in_progress & 1) fillw(kernel_default.std_color | scr_map[0x20], Crtat, scp->xsize * scp->ysize); else fillw(kernel_default.rev_color | scr_map[0x20], Crtat, scp->xsize * scp->ysize); blink_in_progress--; timeout(blink_screen, scp, hz / 10); } } #ifdef SC_SPLASH_SCREEN static void toggle_splash_screen(scr_stat *scp) { static int toggle = 0; static u_char save_mode; int s; if (video_mode_ptr == NULL) return; s = splhigh(); if (toggle) { scp->mode = save_mode; scp->status &= ~UNKNOWN_MODE; set_mode(scp); load_palette(palette); toggle = 0; } else { save_mode = scp->mode; scp->mode = M_VGA_CG320; scp->status |= UNKNOWN_MODE; set_mode(scp); /* load image */ toggle = 1; } splx(s); } #endif #endif /* NSC */