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Diffstat (limited to 'sys/i386/isa/syscons.c')
-rw-r--r--sys/i386/isa/syscons.c4688
1 files changed, 4688 insertions, 0 deletions
diff --git a/sys/i386/isa/syscons.c b/sys/i386/isa/syscons.c
new file mode 100644
index 000000000000..eba0d36dc0ab
--- /dev/null
+++ b/sys/i386/isa/syscons.c
@@ -0,0 +1,4688 @@
+/*-
+ * Copyright (c) 1992-1998 Søren Schmidt
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer,
+ * without modification, immediately at the beginning of the file.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: syscons.c,v 1.283 1998/10/01 11:39:18 yokota Exp $
+ */
+
+#include "sc.h"
+#include "apm.h"
+#include "opt_ddb.h"
+#include "opt_devfs.h"
+#include "opt_vesa.h"
+#include "opt_vm86.h"
+#include "opt_syscons.h"
+
+#if NSC > 0
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/reboot.h>
+#include <sys/conf.h>
+#include <sys/proc.h>
+#include <sys/signalvar.h>
+#include <sys/tty.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#ifdef DEVFS
+#include <sys/devfsext.h>
+#endif
+
+#include <machine/bootinfo.h>
+#include <machine/clock.h>
+#include <machine/cons.h>
+#include <machine/console.h>
+#include <machine/mouse.h>
+#include <machine/md_var.h>
+#include <machine/psl.h>
+#include <machine/frame.h>
+#include <machine/pc/display.h>
+#include <machine/pc/vesa.h>
+#include <machine/apm_bios.h>
+#include <machine/random.h>
+
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/pmap.h>
+
+#include <i386/isa/isa.h>
+#include <i386/isa/isa_device.h>
+#include <i386/isa/timerreg.h>
+#include <i386/isa/kbdtables.h>
+#include <i386/isa/kbdio.h>
+#include <i386/isa/videoio.h>
+#include <i386/isa/syscons.h>
+
+#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
+
+#if !defined(SC_MOUSE_CHAR)
+#define SC_MOUSE_CHAR (0xd0)
+#endif
+
+#define COLD 0
+#define WARM 1
+
+#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
+#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
+
+/* for backward compatibility */
+#define OLD_CONS_MOUSECTL _IOWR('c', 10, old_mouse_info_t)
+
+typedef struct old_mouse_data {
+ int x;
+ int y;
+ int buttons;
+} old_mouse_data_t;
+
+typedef struct old_mouse_info {
+ int operation;
+ union {
+ struct old_mouse_data data;
+ struct mouse_mode mode;
+ } u;
+} old_mouse_info_t;
+
+/* XXX use sc_bcopy where video memory is concerned */
+extern void generic_bcopy(const void *, void *, size_t);
+extern void generic_bzero(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];
+static void *sc_mouse_devfs_token;
+static void *sc_console_devfs_token;
+#endif
+ scr_stat *cur_console;
+static scr_stat *new_scp, *old_scp;
+static term_stat kernel_console;
+static default_attr *current_default;
+static int sc_flags;
+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 shutdown_in_progress = FALSE;
+static char font_loading_in_progress = FALSE;
+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;
+static char crtc_vga = FALSE;
+static int adp_flags;
+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;
+static int saver_mode = CONS_LKM_SAVER; /* LKM/user saver */
+static int run_scrn_saver = FALSE; /* should run the saver? */
+static int scrn_idle = FALSE; /* about to run the saver */
+ u_char scr_map[256];
+ u_char scr_rmap[256];
+static int initial_video_mode; /* initial video mode # */
+static int bios_video_mode; /* video mode # set by BIOS */
+ int fonts_loaded = 0
+#ifdef STD8X16FONT
+ | FONT_16
+#endif
+ ;
+
+ u_char font_8[256*8];
+ u_char font_14[256*14];
+#ifdef STD8X16FONT
+extern
+#endif
+ u_char font_16[256*16];
+ u_char palette[256*3];
+static u_char *cut_buffer;
+static int cut_buffer_size;
+static int mouse_level; /* 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
+ };
+
+ int sc_history_size = SC_HISTORY_SIZE;
+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;
+static void (*default_saver)(int blank) = none_saver;
+ d_ioctl_t *sc_user_ioctl;
+
+static int sticky_splash = FALSE;
+
+/* 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
+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)
+
+/* 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 scshutdown(int howto, void *arg);
+static u_int scgetc(u_int flags);
+#define SCGETC_CN 1
+#define SCGETC_NONBLOCK 2
+static void sccnupdate(scr_stat *scp);
+static scr_stat *alloc_scp(void);
+static void init_scp(scr_stat *scp);
+static void sc_bcopy(scr_stat *scp, u_short *p, int from, int to, int mark);
+static int get_scr_num(void);
+static timeout_t scrn_timer;
+static void scrn_update(scr_stat *scp, int show_cursor);
+static void scrn_saver(void (*saver)(int), int blank);
+static void stop_scrn_saver(void (*saver)(int));
+static int wait_scrn_saver_stop(void);
+static int switch_scr(scr_stat *scp, u_int next_scr);
+static void exchange_scr(void);
+static void scan_esc(scr_stat *scp, u_char c);
+static void ansi_put(scr_stat *scp, u_char *buf, int len);
+static void draw_cursor_image(scr_stat *scp);
+static void remove_cursor_image(scr_stat *scp);
+static void move_crsr(scr_stat *scp, int x, int y);
+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_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 do_bell(scr_stat *scp, int pitch, int duration);
+static timeout_t blink_screen;
+#ifdef SC_SPLASH_SCREEN
+static void scsplash_init(scr_stat *scp);
+static void scsplash_term(scr_stat *scp);
+static void scsplash_saver(int show);
+#define scsplash_stick(stick) (sticky_splash = (stick))
+#else
+#define scsplash_stick(stick)
+#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_mmap_t scmmap;
+
+#define CDEV_MAJOR 12
+static struct cdevsw sc_cdevsw = {
+ scopen, scclose, scread, scwrite,
+ scioctl, nullstop, noreset, scdevtotty,
+ ttpoll, scmmap, nostrategy, "sc",
+ NULL, -1, nodump, nopsize,
+ D_TTY,
+};
+
+static void
+draw_cursor_image(scr_stat *scp)
+{
+ u_short cursor_image;
+ u_short *ptr;
+ u_short prev_image;
+
+ if (ISPIXELSC(scp)) {
+ sc_bcopy(scp, scp->scr_buf, scp->cursor_pos - scp->scr_buf,
+ scp->cursor_pos - scp->scr_buf, 1);
+ return;
+ }
+
+ ptr = (u_short *)(get_adapter(scp)->va_window)
+ + (scp->cursor_pos - scp->scr_buf);
+
+ /* do we have a destructive cursor ? */
+ if (sc_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 (!(sc_flags & BLINK_CURSOR)||((sc_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 (!(sc_flags & BLINK_CURSOR)||((sc_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 void
+remove_cursor_image(scr_stat *scp)
+{
+ if (ISPIXELSC(scp))
+ sc_bcopy(scp, scp->scr_buf, scp->cursor_oldpos - scp->scr_buf,
+ scp->cursor_oldpos - scp->scr_buf, 0);
+ else
+ *((u_short *)(get_adapter(scp)->va_window)
+ + (scp->cursor_oldpos - scp->scr_buf))
+ = scp->cursor_saveunder;
+}
+
+static 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);
+ }
+
+#if defined(VESA) && defined(VM86)
+ if (vesa_load())
+ return FALSE;
+#endif
+
+ (*biosvidsw.diag)(bootverbose);
+
+ 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)
+{
+ video_adapter_t *adp;
+
+ /* do this test only once */
+ if (init_done != COLD)
+ return (crtc_type != -1);
+
+ if ((*biosvidsw.init)() <= 0)
+ return FALSE;
+ if ((adp = (*biosvidsw.adapter)(V_ADP_PRIMARY)) == NULL)
+ return FALSE;
+
+ crtc_type = adp->va_type;
+ crtc_vga = (crtc_type == KD_VGA);
+ crtc_addr = adp->va_crtc_addr;
+ Crtat = (u_short *)adp->va_window;
+ adp_flags = adp->va_flags;
+ initial_video_mode = adp->va_initial_mode;
+ bios_video_mode = adp->va_initial_bios_mode;
+
+ return TRUE;
+}
+
+/* probe the keyboard, return TRUE if found */
+static int
+sckbdprobe(int unit, int flags)
+{
+ int codeset;
+ int c = -1;
+ int m;
+ int res, id;
+
+ 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);
+ }
+
+ /* flush any noise in the buffer */
+ 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;
+ }
+
+ /* Get the ID of the keyboard, if any */
+ empty_kbd_buffer(sc_kbdc, 5);
+ res = send_kbd_command(sc_kbdc, KBDC_SEND_DEV_ID);
+ if (res == KBD_ACK) {
+ /* 10ms delay */
+ DELAY(10000);
+ id = (read_kbd_data(sc_kbdc) << 8) | read_kbd_data(sc_kbdc);
+ if (bootverbose)
+ printf("sc%d: keyboard device ID: %04x\n", unit, id);
+ }
+
+ 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;
+ video_info_t info;
+ dev_t cdev = makedev(CDEV_MAJOR, 0);
+#ifdef DEVFS
+ int vc;
+#endif
+
+ scinit();
+ sc_flags = dev->id_flags;
+ if (!ISFONTAVAIL(adp_flags))
+ sc_flags &= ~CHAR_CURSOR;
+
+ scp = console[0];
+
+ /* copy temporary buffer to final buffer */
+ scp->scr_buf = NULL;
+ sc_alloc_scr_buffer(scp, FALSE, FALSE);
+ bcopy(sc_buffer, scp->scr_buf, scp->xsize*scp->ysize*sizeof(u_short));
+
+ /* cut buffer is available only when the mouse pointer is used */
+ if (ISMOUSEAVAIL(adp_flags))
+ sc_alloc_cut_buffer(scp, FALSE);
+
+ /* initialize history buffer & pointers */
+ sc_alloc_history_buffer(scp, sc_history_size, 0, FALSE);
+
+#if defined(VESA) && defined(VM86)
+ if ((sc_flags & VESA800X600)
+ && ((*biosvidsw.get_info)(scp->adp, M_VESA_800x600, &info) == 0)) {
+#ifdef SC_SPLASH_SCREEN
+ scsplash_term(scp);
+#endif
+ sc_set_graphics_mode(scp, NULL, M_VESA_800x600);
+ sc_set_pixel_mode(scp, NULL, COL, ROW, 16);
+ initial_video_mode = M_VESA_800x600;
+#ifdef SC_SPLASH_SCREEN
+ scsplash_init(scp);
+#endif
+ }
+#endif /* VESA && VM86 */
+
+ /* initialize cursor stuff */
+ if (!ISGRAPHSC(scp))
+ draw_cursor_image(scp);
+
+ /* get screen update going */
+ scrn_timer((void *)TRUE);
+
+ update_leds(scp->status);
+
+ printf("sc%d: ", dev->id_unit);
+ switch(crtc_type) {
+ case KD_VGA:
+ printf("VGA %s", (adp_flags & V_ADP_COLOR) ? "color" : "mono");
+ break;
+ case KD_EGA:
+ printf("EGA %s", (adp_flags & V_ADP_COLOR) ? "color" : "mono");
+ 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, sc_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
+
+ at_shutdown(scshutdown, NULL, SHUTDOWN_PRE_SYNC);
+
+ cdevsw_add(&cdev, &sc_cdevsw, NULL);
+
+#ifdef DEVFS
+ for (vc = 0; vc < MAXCONS; vc++)
+ sc_devfs_token[vc] = devfs_add_devswf(&sc_cdevsw, vc, DV_CHR,
+ UID_ROOT, GID_WHEEL, 0600, "ttyv%r", vc);
+ sc_mouse_devfs_token = devfs_add_devswf(&sc_cdevsw, SC_MOUSE, DV_CHR,
+ UID_ROOT, GID_WHEEL, 0600, "sysmouse");
+ sc_console_devfs_token = devfs_add_devswf(&sc_cdevsw, SC_CONSOLE, DV_CHR,
+ UID_ROOT, GID_WHEEL, 0600, "consolectl");
+#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);
+ (*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 (ISGRAPHSC(console[minor(dev)]))
+ sc_set_pixel_mode(console[minor(dev)], NULL, COL, ROW, 16);
+ }
+ if (minor(dev)<MAXCONS && !tp->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 = sc_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;
+
+ /*
+ * 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 0
+ if (cur_console->status & MOUSE_ENABLED) {
+ cur_console->status &= ~MOUSE_VISIBLE;
+ remove_mouse_image(cur_console);
+ }
+#else
+ if (cur_console->status & MOUSE_VISIBLE) {
+ remove_mouse_image(cur_console);
+ cur_console->status &= ~MOUSE_VISIBLE;
+ }
+#endif
+}
+
+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, u_long cmd, caddr_t data, int flag, struct proc *p)
+{
+ u_int delta_ehs;
+ int error;
+ int i;
+ struct tty *tp;
+ scr_stat *scp;
+ video_adapter_t *adp;
+ int s;
+
+ tp = scdevtotty(dev);
+ if (!tp)
+ return ENXIO;
+ scp = sc_get_scr_stat(tp->t_dev);
+
+ /* If there is a user_ioctl function call that first */
+ if (sc_user_ioctl) {
+ error = (*sc_user_ioctl)(dev, cmd, data, flag, p);
+ if (error != ENOIOCTL)
+ return error;
+ }
+
+ error = sc_vid_ioctl(tp, cmd, data, flag, p);
+ if (error != ENOIOCTL)
+ 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 ? */
+ *(int *)data = (adp_flags & V_ADP_COLOR) ? 1 : 0;
+ return 0;
+
+ case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
+ if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME)
+ return EINVAL;
+ s = spltty();
+ scrn_blank_time = *(int *)data;
+ run_scrn_saver = (scrn_blank_time != 0);
+ splx(s);
+ return 0;
+
+ case CONS_CURSORTYPE: /* set cursor type blink/noblink */
+ if ((*(int*)data) & 0x01)
+ sc_flags |= BLINK_CURSOR;
+ else
+ sc_flags &= ~BLINK_CURSOR;
+ if ((*(int*)data) & 0x02) {
+ if (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ return ENXIO;
+ sc_flags |= CHAR_CURSOR;
+ } else
+ sc_flags &= ~CHAR_CURSOR;
+ /*
+ * The cursor shape is global property; all virtual consoles
+ * are affected. Update the cursor in the current console...
+ */
+ if (!ISGRAPHSC(cur_console)) {
+ remove_cursor_image(cur_console);
+ if (sc_flags & CHAR_CURSOR)
+ set_destructive_cursor(cur_console);
+ draw_cursor_image(cur_console);
+ }
+ return 0;
+
+ case CONS_BELLTYPE: /* set bell type sound/visual */
+ if ((*(int *)data) & 0x01)
+ sc_flags |= VISUAL_BELL;
+ else
+ sc_flags &= ~VISUAL_BELL;
+ if ((*(int *)data) & 0x02)
+ sc_flags |= QUIET_BELL;
+ else
+ sc_flags &= ~QUIET_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;
+ if (lines0 > imax(sc_history_size, scp->ysize))
+ delta_ehs = lines0 - imax(sc_history_size, scp->ysize);
+ else
+ delta_ehs = 0;
+ /*
+ * 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(sc_history_size, scp->ysize))
+ if (lines - imax(sc_history_size, scp->ysize) >
+ extra_history_size + delta_ehs)
+ return EINVAL;
+ if (cur_console->status & BUFFER_SAVED)
+ return EBUSY;
+ sc_alloc_history_buffer(scp, lines, delta_ehs, TRUE);
+ return 0;
+ }
+ else
+ return EINVAL;
+
+ case CONS_MOUSECTL: /* control mouse arrow */
+ case OLD_CONS_MOUSECTL:
+ {
+ /* MOUSE_BUTTON?DOWN -> MOUSE_MSC_BUTTON?UP */
+ static int 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;
+ mouse_info_t buf;
+
+ /* FIXME: */
+ if (!ISMOUSEAVAIL(get_adapter(scp)->va_flags))
+ return ENODEV;
+
+ if (cmd == OLD_CONS_MOUSECTL) {
+ static u_char swapb[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
+ old_mouse_info_t *old_mouse = (old_mouse_info_t *)data;
+
+ mouse = &buf;
+ mouse->operation = old_mouse->operation;
+ switch (mouse->operation) {
+ case MOUSE_MODE:
+ mouse->u.mode = old_mouse->u.mode;
+ break;
+ case MOUSE_SHOW:
+ case MOUSE_HIDE:
+ break;
+ case MOUSE_MOVEABS:
+ case MOUSE_MOVEREL:
+ case MOUSE_ACTION:
+ mouse->u.data.x = old_mouse->u.data.x;
+ mouse->u.data.y = old_mouse->u.data.y;
+ mouse->u.data.z = 0;
+ mouse->u.data.buttons = swapb[old_mouse->u.data.buttons & 0x7];
+ break;
+ case MOUSE_GETINFO:
+ old_mouse->u.data.x = scp->mouse_xpos;
+ old_mouse->u.data.y = scp->mouse_ypos;
+ old_mouse->u.data.buttons = swapb[scp->mouse_buttons & 0x7];
+ break;
+ default:
+ return EINVAL;
+ }
+ }
+
+ 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;
+ }
+ return 0;
+
+ case MOUSE_SHOW:
+ if (ISTEXTSC(scp) && !(scp->status & MOUSE_ENABLED)) {
+ scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE);
+ scp->mouse_oldpos = scp->mouse_pos;
+ mark_all(scp);
+ return 0;
+ }
+ else
+ return EINVAL;
+ break;
+
+ case MOUSE_HIDE:
+ if (ISTEXTSC(scp) && (scp->status & MOUSE_ENABLED)) {
+ scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE);
+ mark_all(scp);
+ return 0;
+ }
+ 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;
+ return 0;
+
+ 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 (mouse_status.flags == 0)
+ return 0;
+
+ if (ISTEXTSC(cur_console) && (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 && cut_buffer != NULL) {
+ /* process button presses */
+ if ((cur_console->mouse_buttons ^ mouse->u.data.buttons) &&
+ ISTEXTSC(cur_console)) {
+ 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_status.obutton ^ mouse_status.button;
+ if (mouse_status.flags == 0)
+ return 0;
+
+ if (ISTEXTSC(cur_console) && (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 (!ISTEXTSC(cur_console) || (cut_buffer == NULL))
+ 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 */
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ 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;
+
+ case CONS_IDLE: /* see if the screen has been idle */
+ /*
+ * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
+ * the user process may have been writing something on the
+ * screen and syscons is not aware of it. Declare the screen
+ * is NOT idle if it is in one of these modes. But there is
+ * an exception to it; if a screen saver is running in the
+ * graphics mode in the current screen, we should say that the
+ * screen has been idle.
+ */
+ *(int *)data = scrn_idle
+ && (!ISGRAPHSC(cur_console)
+ || (cur_console->status & SAVER_RUNNING));
+ return 0;
+
+ case CONS_SAVERMODE: /* set saver mode */
+ switch(*(int *)data) {
+ case CONS_USR_SAVER:
+ /* if a LKM screen saver is running, stop it first. */
+ scsplash_stick(FALSE);
+ saver_mode = *(int *)data;
+ s = spltty();
+ if ((error = wait_scrn_saver_stop())) {
+ splx(s);
+ return error;
+ }
+ scp->status |= SAVER_RUNNING;
+ scsplash_stick(TRUE);
+ splx(s);
+ break;
+ case CONS_LKM_SAVER:
+ s = spltty();
+ if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING))
+ scp->status &= ~SAVER_RUNNING;
+ saver_mode = *(int *)data;
+ splx(s);
+ break;
+ default:
+ return EINVAL;
+ }
+ return 0;
+
+ case CONS_SAVERSTART: /* immediately start/stop the screen saver */
+ /*
+ * Note that this ioctl does not guarantee the screen saver
+ * actually starts or stops. It merely attempts to do so...
+ */
+ s = spltty();
+ run_scrn_saver = (*(int *)data != 0);
+ if (run_scrn_saver)
+ scrn_time_stamp -= scrn_blank_time;
+ splx(s);
+ 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(*(int *)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)) {
+ *(int *)data = i + 1;
+ return 0;
+ }
+ }
+ return EINVAL;
+
+ case VT_ACTIVATE: /* switch to screen *data */
+ return switch_scr(scp, *(int *)data - 1);
+
+ case VT_WAITACTIVE: /* wait for switch to occur */
+ if (*(int *)data > MAXCONS || *(int *)data < 0)
+ return EINVAL;
+ if (minor(dev) == *(int *)data - 1)
+ return 0;
+ if (*(int *)data == 0) {
+ if (scp == cur_console)
+ return 0;
+ }
+ else
+ scp = console[*(int *)data - 1];
+ while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH,
+ "waitvt", 0)) == ERESTART) ;
+ return error;
+
+ case VT_GETACTIVE:
+ *(int *)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 KDSKBSTATE: /* set keyboard state (locks) */
+ if (*(int *)data & ~LOCK_KEY_MASK)
+ return EINVAL;
+ scp->status &= ~LOCK_KEY_MASK;
+ scp->status |= *(int *)data;
+ if (scp == cur_console)
+ update_leds(scp->status);
+ return 0;
+
+ case KDGKBSTATE: /* get keyboard state (locks) */
+ *(int *)data = scp->status & LOCK_KEY_MASK;
+ return 0;
+
+ case KDSETRAD: /* set keyboard repeat & delay rates */
+ if (*(int *)data & ~0x7f)
+ return EINVAL;
+ if (sc_kbdc != NULL)
+ set_keyboard(KBDC_SET_TYPEMATIC, *(int *)data);
+ return 0;
+
+ case KDSKBMODE: /* set keyboard mode */
+ switch (*(int *)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 */
+ *(int *)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 */
+ *(int *)data = 0; /* type not known (yet) */
+ return 0;
+
+ case KDSETLED: /* set keyboard LED status */
+ if (*(int *)data & ~LED_MASK)
+ return EINVAL;
+ scp->status &= ~LED_MASK;
+ scp->status |= *(int *)data;
+ if (scp == cur_console)
+ update_leds(scp->status);
+ return 0;
+
+ case KDGETLED: /* get keyboard LED status */
+ *(int *)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; i<sizeof(scr_map); i++)
+ scr_rmap[scr_map[i]] = i;
+ return 0;
+
+ case GIO_KEYMAP: /* get keyboard translation table */
+ bcopy(&key_map, data, sizeof(key_map));
+ return 0;
+
+ case PIO_KEYMAP: /* set keyboard translation table */
+ accents = 0;
+ bzero(&accent_map, sizeof(accent_map));
+ bcopy(data, &key_map, sizeof(key_map));
+ return 0;
+
+ case GIO_DEADKEYMAP: /* get accent key translation table */
+ bcopy(&accent_map, data, sizeof(accent_map));
+ return 0;
+
+ case PIO_DEADKEYMAP: /* set accent key translation table */
+ accents = 0;
+ bcopy(data, &accent_map, sizeof(accent_map));
+ return 0;
+
+ case PIO_FONT8x8: /* set 8x8 dot font */
+ if (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ return ENXIO;
+ bcopy(data, font_8, 8*256);
+ fonts_loaded |= FONT_8;
+ /*
+ * FONT KLUDGE
+ * Always use the font page #0. XXX
+ * Don't load if the current font size is not 8x8.
+ */
+ if (ISTEXTSC(cur_console) && (cur_console->font_size < 14))
+ copy_font(cur_console, LOAD, 8, font_8);
+ return 0;
+
+ case GIO_FONT8x8: /* get 8x8 dot font */
+ if (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ 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 (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ return ENXIO;
+ bcopy(data, font_14, 14*256);
+ fonts_loaded |= FONT_14;
+ /*
+ * FONT KLUDGE
+ * Always use the font page #0. XXX
+ * Don't load if the current font size is not 8x14.
+ */
+ if (ISTEXTSC(cur_console)
+ && (cur_console->font_size >= 14) && (cur_console->font_size < 16))
+ copy_font(cur_console, LOAD, 14, font_14);
+ return 0;
+
+ case GIO_FONT8x14: /* get 8x14 dot font */
+ if (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ 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 (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ return ENXIO;
+ bcopy(data, font_16, 16*256);
+ fonts_loaded |= FONT_16;
+ /*
+ * FONT KLUDGE
+ * Always use the font page #0. XXX
+ * Don't load if the current font size is not 8x16.
+ */
+ if (ISTEXTSC(cur_console) && (cur_console->font_size >= 16))
+ copy_font(cur_console, LOAD, 16, font_16);
+ return 0;
+
+ case GIO_FONT8x16: /* get 8x16 dot font */
+ if (!ISFONTAVAIL(get_adapter(scp)->va_flags))
+ 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 = sc_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 && !ISGRAPHSC(scp))
+ remove_cursor_image(scp);
+ buf[0] = c;
+ ansi_put(scp, buf, 1);
+ kernel_console = scp->term;
+ current_default = &user_default;
+ scp->term = save;
+
+ s = spltty(); /* block scintr and scrn_timer */
+ sccnupdate(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 and update the screen if necessary.
+ * What if we have been running in the screen saver code... XXX
+ */
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ sccnupdate(cur_console);
+
+ c = scgetc(SCGETC_CN);
+ splx(s);
+ return(c);
+}
+
+int
+sccncheckc(dev_t dev)
+{
+ int s = spltty(); /* block scintr and scrn_timer while we poll */
+ int c;
+
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ sccnupdate(cur_console);
+
+ c = scgetc(SCGETC_CN | SCGETC_NONBLOCK);
+ splx(s);
+ return(c == NOKEY ? -1 : c); /* c == -1 can't happen */
+}
+
+static void
+sccnupdate(scr_stat *scp)
+{
+ /* this is a cut-down version of scrn_timer()... */
+
+ if (font_loading_in_progress)
+ return;
+
+ if (panicstr || shutdown_in_progress) {
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ } else if (scp != cur_console) {
+ return;
+ }
+
+ if (!run_scrn_saver)
+ scrn_idle = FALSE;
+ if ((saver_mode != CONS_LKM_SAVER) || !scrn_idle)
+ if (scp->status & SAVER_RUNNING)
+ stop_scrn_saver(current_saver);
+
+ if (scp != cur_console || blink_in_progress || switch_in_progress)
+ return;
+
+ if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING))
+ scrn_update(scp, TRUE);
+}
+
+scr_stat
+*sc_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)
+{
+ struct timeval tv;
+ scr_stat *scp;
+ int s;
+
+ /* don't do anything when we are touching font */
+ if (font_loading_in_progress) {
+ if (arg)
+ timeout(scrn_timer, (void *)TRUE, hz / 10);
+ return;
+ }
+ 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);
+ }
+
+ scp = cur_console;
+
+ /* should we stop the screen saver? */
+ getmicrouptime(&tv);
+ if (panicstr || shutdown_in_progress) {
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ }
+ if (run_scrn_saver) {
+ scrn_idle = (tv.tv_sec > scrn_time_stamp + scrn_blank_time);
+ } else {
+ scrn_time_stamp = tv.tv_sec;
+ scrn_idle = FALSE;
+ if (scrn_blank_time > 0)
+ run_scrn_saver = TRUE;
+ }
+ if ((saver_mode != CONS_LKM_SAVER) || !scrn_idle)
+ if (scp->status & SAVER_RUNNING)
+ stop_scrn_saver(current_saver);
+
+ /* should we just return ? */
+ if (blink_in_progress || switch_in_progress) {
+ if (arg)
+ timeout(scrn_timer, (void *)TRUE, hz / 10);
+ splx(s);
+ return;
+ }
+
+ /* Update the screen */
+ if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING))
+ scrn_update(scp, TRUE);
+
+ /* should we activate the screen saver? */
+ if ((saver_mode == CONS_LKM_SAVER) && scrn_idle)
+ if (!ISGRAPHSC(scp) || (scp->status & SAVER_RUNNING))
+ scrn_saver(current_saver, TRUE);
+
+ if (arg)
+ timeout(scrn_timer, (void *)TRUE, hz / 25);
+ splx(s);
+}
+
+static void
+scrn_update(scr_stat *scp, int show_cursor)
+{
+ /* update screen image */
+ if (scp->start <= scp->end)
+ sc_bcopy(scp, scp->scr_buf, scp->start, scp->end, 0);
+
+ /* we are not to show the cursor and the mouse pointer... */
+ if (!show_cursor) {
+ scp->end = 0;
+ scp->start = scp->xsize*scp->ysize - 1;
+ return;
+ }
+
+ /* update "pseudo" mouse pointer image */
+ if (scp->status & MOUSE_VISIBLE) {
+ /* 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 (sc_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 - 1;
+}
+
+int
+add_scrn_saver(void (*this_saver)(int))
+{
+#ifdef SC_SPLASH_SCREEN
+ if (current_saver == scsplash) {
+ scsplash_stick(FALSE);
+ stop_scrn_saver(scsplash);
+ }
+#endif
+
+ if (current_saver != default_saver)
+ return EBUSY;
+ run_scrn_saver = FALSE;
+ saver_mode = CONS_LKM_SAVER;
+ 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);
+
+ if (scrn_blanked > 0)
+ return EBUSY; /* XXX */
+
+ current_saver = default_saver;
+ return 0;
+}
+
+static void
+scrn_saver(void (*saver)(int), int blank)
+{
+ static int busy = FALSE;
+
+ if (busy)
+ return;
+ busy = TRUE;
+ (*saver)(blank);
+ busy = FALSE;
+}
+
+static void
+stop_scrn_saver(void (*saver)(int))
+{
+ scrn_saver(saver, FALSE);
+ run_scrn_saver = FALSE;
+ /* the screen saver may have chosen not to stop after all... */
+ if (scrn_blanked > 0)
+ return;
+
+ mark_all(cur_console);
+ if (delayed_next_scr)
+ switch_scr(cur_console, delayed_next_scr - 1);
+ wakeup((caddr_t)&scrn_blanked);
+}
+
+static int
+wait_scrn_saver_stop(void)
+{
+ int error = 0;
+
+ while (scrn_blanked > 0) {
+ run_scrn_saver = FALSE;
+ error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0);
+ run_scrn_saver = FALSE;
+ if (error != ERESTART)
+ break;
+ }
+ return error;
+}
+
+void
+sc_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)
+{
+ /* delay switch if actively updating screen */
+ if (scrn_blanked > 0 || write_in_progress || blink_in_progress) {
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ delayed_next_scr = next_scr+1;
+ return 0;
+ }
+
+ 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 && ISGRAPHSC(cur_console))) {
+ 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;
+ }
+ }
+
+ 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 || ISUNKNOWNSC(old_scp))
+ set_mode(new_scp);
+ move_crsr(new_scp, new_scp->xpos, new_scp->ypos);
+ if (ISTEXTSC(new_scp) && (sc_flags & CHAR_CURSOR))
+ set_destructive_cursor(new_scp);
+ if (ISGRAPHSC(old_scp))
+ load_palette(new_scp, 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, 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 */
+ sc_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 - 1);
+ 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 - 1 - 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 - 1);
+ 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 - 1);
+ 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 - 1);
+ 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 - 1);
+ 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 - 1);
+ 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 - 1);
+ 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(cur_console, 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];
+ }
+ break;
+
+ case 'C': /* set cursor type & shape */
+ if (scp->term.num_param == 1) {
+ if (scp->term.param[0] & 0x01)
+ sc_flags |= BLINK_CURSOR;
+ else
+ sc_flags &= ~BLINK_CURSOR;
+ if ((scp->term.param[0] & 0x02)
+ && ISFONTAVAIL(get_adapter(scp)->va_flags))
+ sc_flags |= CHAR_CURSOR;
+ else
+ sc_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 (!ISGRAPHSC(cur_console)) {
+ remove_cursor_image(cur_console);
+ if (sc_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 (!sticky_splash && scp == cur_console)
+ run_scrn_saver = FALSE;
+
+ 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 */
+ sc_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 != NULL) {
+ 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)
+{
+ int col;
+ int row;
+ u_int i;
+
+ if (init_done != COLD)
+ return;
+ init_done = WARM;
+
+ /* extract the hardware cursor location and move it out of the way */
+ (*biosvidsw.read_hw_cursor)(V_ADP_PRIMARY, &col, &row);
+ (*biosvidsw.set_hw_cursor)(V_ADP_PRIMARY, -1, -1);
+
+ /* set up the first console */
+ current_default = &user_default;
+ console[0] = &main_console;
+ init_scp(console[0]);
+ cur_console = console[0];
+
+ /* copy screen to temporary buffer */
+ if (ISTEXTSC(console[0]))
+ generic_bcopy((ushort *)(get_adapter(console[0])->va_window), sc_buffer,
+ console[0]->xsize * console[0]->ysize * sizeof(u_short));
+
+ console[0]->scr_buf = console[0]->mouse_pos = console[0]->mouse_oldpos
+ = sc_buffer;
+ if (col >= console[0]->xsize)
+ col = 0;
+ if (row >= console[0]->ysize)
+ row = console[0]->ysize - 1;
+ console[0]->xpos = col;
+ console[0]->ypos = row;
+ console[0]->cursor_pos = console[0]->cursor_oldpos =
+ sc_buffer + row*console[0]->xsize + col;
+ console[0]->cursor_saveunder = *console[0]->cursor_pos;
+ for (i=1; i<MAXCONS; i++)
+ console[i] = NULL;
+ kernel_console.esc = 0;
+ kernel_console.attr_mask = NORMAL_ATTR;
+ kernel_console.cur_attr =
+ kernel_console.cur_color = kernel_console.std_color =
+ kernel_default.std_color;
+ kernel_console.rev_color = kernel_default.rev_color;
+
+ /* initialize mapscrn arrays to a one to one map */
+ for (i=0; i<sizeof(scr_map); i++) {
+ scr_map[i] = scr_rmap[i] = i;
+ }
+
+ /* Save font and palette */
+ if (ISFONTAVAIL(get_adapter(cur_console)->va_flags)) {
+ if (fonts_loaded & FONT_16) {
+ copy_font(cur_console, LOAD, 16, font_16);
+ } else {
+ copy_font(cur_console, SAVE, 16, font_16);
+ fonts_loaded = FONT_16;
+ set_destructive_cursor(cur_console);
+ }
+ /*
+ * FONT KLUDGE
+ * Always use the font page #0. XXX
+ */
+ (*biosvidsw.show_font)(cur_console->adp, 0);
+ }
+ save_palette(cur_console, palette);
+
+#ifdef SC_SPLASH_SCREEN
+ /* put up the splash. */
+ scsplash_init(cur_console);
+#endif
+}
+
+static void
+scshutdown(int howto, void *arg)
+{
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ if (!cold && cur_console->smode.mode == VT_AUTO
+ && console[0]->smode.mode == VT_AUTO)
+ switch_scr(cur_console, 0);
+ shutdown_in_progress = TRUE;
+}
+
+int
+sc_clean_up(scr_stat *scp)
+{
+ int error;
+
+ if ((error = wait_scrn_saver_stop()))
+ return error;
+ scp->status &= ~MOUSE_VISIBLE;
+ remove_cutmarking(scp);
+ return 0;
+}
+
+void
+sc_alloc_scr_buffer(scr_stat *scp, int wait, int clear)
+{
+ if (scp->scr_buf)
+ free(scp->scr_buf, M_DEVBUF);
+ scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
+ M_DEVBUF, (wait) ? M_WAITOK : M_NOWAIT);
+
+ if (clear) {
+ /* clear the screen and move the text cursor to the top-left position */
+ sc_clear_screen(scp);
+ } else {
+ /* retain the current cursor position, but adjust pointers */
+ move_crsr(scp, scp->xpos, scp->ypos);
+ scp->cursor_oldpos = scp->cursor_pos;
+ }
+
+ /* move the mouse cursor at the center of the screen */
+ sc_move_mouse(scp, scp->xpixel / 2, scp->ypixel / 2);
+}
+
+void
+sc_alloc_cut_buffer(scr_stat *scp, int wait)
+{
+ if ((cut_buffer == NULL)
+ || (cut_buffer_size < scp->xsize * scp->ysize + 1)) {
+ if (cut_buffer != NULL)
+ free(cut_buffer, M_DEVBUF);
+ cut_buffer_size = scp->xsize * scp->ysize + 1;
+ cut_buffer = (u_char *)malloc(cut_buffer_size,
+ M_DEVBUF, (wait) ? M_WAITOK : M_NOWAIT);
+ if (cut_buffer != NULL)
+ cut_buffer[0] = '\0';
+ }
+}
+
+void
+sc_alloc_history_buffer(scr_stat *scp, int lines, int extra, int wait)
+{
+ u_short *usp;
+
+ if (lines < scp->ysize)
+ lines = scp->ysize;
+
+ usp = scp->history;
+ scp->history = NULL;
+ if (usp != NULL) {
+ free(usp, M_DEVBUF);
+ if (extra > 0)
+ extra_history_size += extra;
+ }
+
+ scp->history_size = lines * scp->xsize;
+ if (lines > imax(sc_history_size, scp->ysize))
+ extra_history_size -= lines - imax(sc_history_size, scp->ysize);
+ usp = (u_short *)malloc(scp->history_size * sizeof(u_short),
+ M_DEVBUF, (wait) ? M_WAITOK : M_NOWAIT);
+ if (usp != NULL)
+ bzero(usp, scp->history_size * sizeof(u_short));
+ scp->history_head = scp->history_pos = usp;
+ scp->history = usp;
+}
+
+static scr_stat
+*alloc_scp()
+{
+ scr_stat *scp;
+
+ scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK);
+ init_scp(scp);
+ sc_alloc_scr_buffer(scp, TRUE, TRUE);
+ if (ISMOUSEAVAIL(get_adapter(scp)->va_flags))
+ sc_alloc_cut_buffer(scp, TRUE);
+ sc_alloc_history_buffer(scp, sc_history_size, 0, TRUE);
+/* SOS
+ if (get_adapter(scp)->va_flags & V_ADP_MODECHANGE)
+ set_mode(scp);
+*/
+ sc_clear_screen(scp);
+ scp->cursor_saveunder = *scp->cursor_pos;
+ return scp;
+}
+
+static void
+init_scp(scr_stat *scp)
+{
+ video_info_t info;
+
+ scp->adp = V_ADP_PRIMARY;
+ (*biosvidsw.get_info)(scp->adp, initial_video_mode, &info);
+
+ scp->status = 0;
+ scp->mode = scp->initial_mode = initial_video_mode;
+ scp->scr_buf = NULL;
+ if (info.vi_flags & V_INFO_GRAPHICS) {
+ scp->status |= GRAPHICS_MODE;
+ scp->xpixel = info.vi_width;
+ scp->ypixel = info.vi_height;
+ scp->xsize = info.vi_width/8;
+ scp->ysize = info.vi_height/info.vi_cheight;
+ scp->font_size = FONT_NONE;
+ } else {
+ scp->xsize = info.vi_width;
+ scp->ysize = info.vi_height;
+ scp->xpixel = scp->xsize*8;
+ scp->ypixel = scp->ysize*info.vi_cheight;
+ scp->font_size = info.vi_cheight;
+ }
+ scp->xoff = scp->yoff = 0;
+ 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 = *(u_int8_t *)pa_to_va(0x461);
+ scp->cursor_end = *(u_int8_t *)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 |= (*(u_int8_t *)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; i<scp->ysize; 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;
+
+ /* make screensaver happy */
+ if (!(scancode & 0x80)) {
+ scsplash_stick(FALSE);
+ run_scrn_saver = FALSE;
+ }
+
+ if (!(flags & SCGETC_CN)) {
+ /* do the /dev/random device a favour */
+ 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 (!(flags & SCGETC_CN) && (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; i<cur_console->ysize; 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; i<cur_console->ysize; 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; i<cur_console->ysize; 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:
+ 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; i<cur_console->ysize; 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:
+ /* force activatation/deactivation of the screen saver */
+ accents = 0;
+ if (scrn_blanked <= 0) {
+ run_scrn_saver = TRUE;
+ scrn_time_stamp -= scrn_blank_time;
+ }
+#ifdef SC_SPLASH_SCREEN
+ if (cold) {
+ /*
+ * While devices are being probed, the screen saver need
+ * to be invoked explictly. XXX
+ */
+ if (scrn_blanked > 0) {
+ scsplash_stick(FALSE);
+ stop_scrn_saver(current_saver);
+ } else {
+ if (!ISGRAPHSC(cur_console)) {
+ scsplash_stick(TRUE);
+ scrn_saver(current_saver, TRUE);
+ }
+ }
+ }
+#endif
+ break;
+ case RBT:
+#ifndef SC_DISABLE_REBOOT
+ accents = 0;
+ shutdown_nice();
+#endif
+ break;
+ case SUSP:
+#if NAPM > 0
+ accents = 0;
+ apm_suspend(PMST_SUSPEND);
+#endif
+ break;
+
+ case STBY:
+#if NAPM > 0
+ accents = 0;
+ apm_suspend(PMST_STANDBY);
+#endif
+ break;
+
+ case DBG:
+#ifdef DDB /* try to switch to console 0 */
+ accents = 0;
+ /*
+ * TRY to make sure the screen saver is stopped,
+ * and the screen is updated before switching to
+ * the vty0.
+ */
+ scrn_timer((void *)FALSE);
+ 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();
+ accents = 0;
+ 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) {
+ /* turn it into an index */
+ action -= F_ACC - 1;
+ if ((action > accent_map.n_accs)
+ || (accent_map.acc[action - 1].accchar == 0)) {
+ /*
+ * The index is out of range or pointing to an
+ * empty entry.
+ */
+ accents = 0;
+ do_bell(cur_console, BELL_PITCH, BELL_DURATION);
+ }
+ /*
+ * If the same accent key has been hit twice,
+ * produce the accent char itself.
+ */
+ if (action == accents) {
+ action = accent_map.acc[accents - 1].accchar;
+ accents = 0;
+ if (metas)
+ action |= MKEY;
+ return (action);
+ }
+ /* remember the index and wait for the next key stroke */
+ accents = action;
+ 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 the accent key is followed by the space key,
+ * produce the accent char itself.
+ */
+ if (action == ' ') {
+ action = acc->accchar;
+ if (metas)
+ action |= MKEY;
+ return (action);
+ }
+ for (i = 0; i < NUM_ACCENTCHARS; ++i) {
+ if (acc->map[i][0] == 0) /* end of the map entry */
+ 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]);
+}
+
+int
+set_mode(scr_stat *scp)
+{
+ video_info_t info;
+ video_adapter_t *adp;
+
+ /* reject unsupported mode */
+ if ((*biosvidsw.get_info)(scp->adp, scp->mode, &info))
+ return 1;
+
+ /* if this vty is not currently showing, do nothing */
+ if (scp != cur_console)
+ return 0;
+
+ /* setup video hardware for the given mode */
+ adp = get_adapter(scp);
+ (*biosvidsw.set_mode)(scp->adp, scp->mode);
+ Crtat = (u_short *)adp->va_window;
+
+ if (!(scp->status & GRAPHICS_MODE)) {
+ /* load appropriate font */
+ if (!(scp->status & PIXEL_MODE)
+ && ISFONTAVAIL(get_adapter(scp)->va_flags)) {
+ if (scp->font_size < 14) {
+ if (fonts_loaded & FONT_8)
+ copy_font(scp, LOAD, 8, font_8);
+ } else if (scp->font_size >= 16) {
+ if (fonts_loaded & FONT_16)
+ copy_font(scp, LOAD, 16, font_16);
+ } else {
+ if (fonts_loaded & FONT_14)
+ copy_font(scp, LOAD, 14, font_14);
+ }
+ /*
+ * FONT KLUDGE:
+ * This is an interim kludge to display correct font.
+ * Always use the font page #0 on the video plane 2.
+ * Somehow we cannot show the font in other font pages on
+ * some video cards... XXX
+ */
+ (*biosvidsw.show_font)(scp->adp, 0);
+ }
+ mark_all(scp);
+ }
+
+ if (scp->status & PIXEL_MODE)
+ generic_bzero((u_char *)(adp->va_window), scp->xpixel*scp->ypixel/8);
+ set_border(scp, scp->border);
+
+ /* move hardware cursor out of the way */
+ (*biosvidsw.set_hw_cursor)(scp->adp, -1, -1);
+
+ return 0;
+}
+
+void
+set_border(scr_stat *scp, int color)
+{
+ u_char *p;
+ int xoff;
+ int yoff;
+ int xlen;
+ int ylen;
+ int i;
+
+ (*biosvidsw.set_border)(scp->adp, color);
+
+ if (scp->status & PIXEL_MODE) {
+ outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
+ outw(GDCIDX, 0x0003); /* data rotate/function select */
+ outw(GDCIDX, 0x0f01); /* set/reset enable */
+ outw(GDCIDX, 0xff08); /* bit mask */
+ outw(GDCIDX, (color << 8) | 0x00); /* set/reset */
+ p = (u_char *)(get_adapter(scp)->va_window);
+ xoff = scp->xoff;
+ yoff = scp->yoff*scp->font_size;
+ xlen = scp->xpixel/8;
+ ylen = scp->ysize*scp->font_size;
+ if (yoff > 0) {
+ generic_bzero(p, xlen*yoff);
+ generic_bzero(p + xlen*(yoff + ylen),
+ xlen*scp->ypixel - xlen*(yoff + ylen));
+ }
+ if (xoff > 0) {
+ for (i = 0; i < ylen; ++i) {
+ generic_bzero(p + xlen*(yoff + i), xoff);
+ generic_bzero(p + xlen*(yoff + i) + xoff + scp->xsize,
+ xlen - xoff - scp->xsize);
+ }
+ }
+ outw(GDCIDX, 0x0000); /* set/reset */
+ outw(GDCIDX, 0x0001); /* set/reset enable */
+ }
+}
+
+void
+copy_font(scr_stat *scp, int operation, int font_size, u_char *buf)
+{
+ /*
+ * FONT KLUDGE:
+ * This is an interim kludge to display correct font.
+ * Always use the font page #0 on the video plane 2.
+ * Somehow we cannot show the font in other font pages on
+ * some video cards... XXX
+ */
+ font_loading_in_progress = TRUE;
+ if (operation == LOAD) {
+ (*biosvidsw.load_font)(scp->adp, 0, font_size, buf, 0, 256);
+ if (sc_flags & CHAR_CURSOR)
+ set_destructive_cursor(scp);
+ } else if (operation == SAVE) {
+ (*biosvidsw.save_font)(scp->adp, 0, font_size, buf, 0, 256);
+ }
+ font_loading_in_progress = FALSE;
+}
+
+static void
+set_destructive_cursor(scr_stat *scp)
+{
+ u_char cursor[32];
+ u_char *font_buffer;
+ int font_size;
+ int i;
+
+ if (!ISFONTAVAIL(get_adapter(scp)->va_flags)
+ || (scp->status & (GRAPHICS_MODE | PIXEL_MODE)))
+ return;
+
+ if (scp->font_size < 14) {
+ font_buffer = font_8;
+ font_size = 8;
+ } else if (scp->font_size >= 16) {
+ font_buffer = font_16;
+ font_size = 16;
+ } else {
+ font_buffer = font_14;
+ font_size = 14;
+ }
+
+ if (scp->status & MOUSE_VISIBLE) {
+ if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR)
+ bcopy(&scp->mouse_cursor[0], cursor, scp->font_size);
+ else if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR + 1)
+ bcopy(&scp->mouse_cursor[32], cursor, scp->font_size);
+ else if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR + 2)
+ bcopy(&scp->mouse_cursor[64], cursor, scp->font_size);
+ else if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR + 3)
+ 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
+ font_loading_in_progress = TRUE;
+ (*biosvidsw.load_font)(scp->adp, 0, font_size, cursor, DEAD_CHAR, 1);
+ font_loading_in_progress = FALSE;
+}
+
+void
+sc_move_mouse(scr_stat *scp, int x, int y)
+{
+ scp->mouse_xpos = x;
+ scp->mouse_ypos = y;
+ scp->mouse_pos = scp->mouse_oldpos =
+ scp->scr_buf + (y / scp->font_size) * scp->xsize + x / 8;
+}
+
+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 (!ISTEXTSC(scp)) {
+ 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++] = '\r';
+ 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++] = '\r';
+ 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] = '\r';
+ 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; i<MAXCONS; i++) {
+ if (console[i] == NULL || console[i] == scp)
+ continue;
+ remove_cutmarking(console[i]);
+ }
+ }
+}
+
+static void
+mouse_cut_end(scr_stat *scp)
+{
+ if (scp->status & 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++] = '\r';
+ 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)
+{
+ u_short buffer[32];
+ u_short xoffset, yoffset;
+ u_short *crt_pos = (u_short *)(get_adapter(scp)->va_window)
+ + (scp->mouse_pos - scp->scr_buf);
+ u_char *font_buffer;
+ int font_size;
+ int i;
+
+ if (scp->font_size < 14) {
+ font_buffer = font_8;
+ font_size = 8;
+ } else if (scp->font_size >= 16) {
+ font_buffer = font_16;
+ font_size = 16;
+ } else {
+ font_buffer = font_14;
+ font_size = 14;
+ }
+
+ xoffset = scp->mouse_xpos % 8;
+ yoffset = scp->mouse_ypos % scp->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; i<font_size; i++) {
+ buffer[i] = scp->mouse_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; i<font_size; i++) {
+ scp->mouse_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
+ font_loading_in_progress = TRUE;
+ (*biosvidsw.load_font)(scp->adp, 0, 32, scp->mouse_cursor,
+ SC_MOUSE_CHAR, 4);
+ font_loading_in_progress = FALSE;
+
+ *(crt_pos) = (*(scp->mouse_pos) & 0xff00) | SC_MOUSE_CHAR;
+ *(crt_pos+scp->xsize) =
+ (*(scp->mouse_pos + scp->xsize) & 0xff00) | (SC_MOUSE_CHAR + 2);
+ if (scp->mouse_xpos < (scp->xsize-1)*8) {
+ *(crt_pos + 1) = (*(scp->mouse_pos + 1) & 0xff00) | (SC_MOUSE_CHAR + 1);
+ *(crt_pos+scp->xsize + 1) =
+ (*(scp->mouse_pos + scp->xsize + 1) & 0xff00) | (SC_MOUSE_CHAR + 3);
+ }
+ 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;
+
+ if (!ISTEXTSC(scp))
+ return;
+
+ crt_pos = (u_short *)(get_adapter(scp)->va_window)
+ + (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 *crt_pos;
+ u_short *ptr;
+ u_short och, nch;
+
+ crt_pos = (u_short *)(get_adapter(scp)->va_window);
+ for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) {
+ nch = och = *(crt_pos + (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 (sc_flags & CHAR_CURSOR)
+ nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4;
+ else
+ if (!(sc_flags & BLINK_CURSOR))
+ nch = (och & 0xff) | (*ptr & 0xff00);
+ }
+ }
+ if (nch != och)
+ *(crt_pos + (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
+do_bell(scr_stat *scp, int pitch, int duration)
+{
+ if (cold || shutdown_in_progress)
+ return;
+
+ if (scp != cur_console && (sc_flags & QUIET_BELL))
+ return;
+
+ if (sc_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 (!ISTEXTSC(scp) || (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],
+ (u_short *)(get_adapter(scp)->va_window),
+ scp->xsize * scp->ysize);
+ else
+ fillw(kernel_default.rev_color | scr_map[0x20],
+ (u_short *)(get_adapter(scp)->va_window),
+ scp->xsize * scp->ysize);
+ blink_in_progress--;
+ timeout(blink_screen, scp, hz / 10);
+ }
+}
+
+void
+sc_bcopy(scr_stat *scp, u_short *p, int from, int to, int mark)
+{
+ u_char *font;
+ u_char volatile *d;
+ u_char *e;
+ u_char *f;
+ int font_size;
+ int line_length;
+ int xsize;
+ u_short bg;
+ int i, j;
+ u_char c;
+
+ if (ISTEXTSC(scp)) {
+ generic_bcopy(p + from, (u_short *)(get_adapter(scp)->va_window) + from,
+ (to - from + 1)*sizeof(u_short));
+ } else /* if ISPIXELSC(scp) */ {
+ if (mark)
+ mark = 255;
+ font_size = scp->font_size;
+ if (font_size < 14)
+ font = font_8;
+ else if (font_size >= 16)
+ font = font_16;
+ else
+ font = font_14;
+ line_length = scp->xpixel/8;
+ xsize = scp->xsize;
+ d = (u_char *)(get_adapter(scp)->va_window)
+ + scp->xoff + scp->yoff*font_size*line_length
+ + (from%xsize) + font_size*line_length*(from/xsize);
+
+ outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
+ outw(GDCIDX, 0x0003); /* data rotate/function select */
+ outw(GDCIDX, 0x0f01); /* set/reset enable */
+ bg = -1;
+ for (i = from ; i <= to ; i++) {
+ /* set background color in EGA/VGA latch */
+ if (bg != (p[i] & 0xf000)) {
+ bg = (p[i] & 0xf000);
+ outw(GDCIDX, (bg >> 4) | 0x00); /* set/reset */
+ outw(GDCIDX, 0xff08); /* bit mask */
+ *d = 0;
+ c = *d; /* set the background color in the latch */
+ }
+ /* foreground color */
+ outw(GDCIDX, (p[i] & 0x0f00) | 0x00); /* set/reset */
+ e = (u_char *)d;
+ f = &font[(p[i] & 0x00ff)*font_size];
+ for (j = 0 ; j < font_size; j++, f++) {
+ outw(GDCIDX, ((*f^mark) << 8) | 0x08); /* bit mask */
+ *e = 0;
+ e += line_length;
+ }
+ d++;
+ if ((i % xsize) == xsize - 1)
+ d += scp->xoff*2 + (font_size - 1)*line_length;
+ }
+ outw(GDCIDX, 0x0000); /* set/reset */
+ outw(GDCIDX, 0x0001); /* set/reset enable */
+ outw(GDCIDX, 0xff08); /* bit mask */
+
+#if 0 /* VGA only */
+ outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */
+ outw(GDCIDX, 0x0003); /* data rotate/function select */
+ outw(GDCIDX, 0x0f01); /* set/reset enable */
+ outw(GDCIDX, 0xff08); /* bit mask */
+ bg = -1;
+ for (i = from ; i <= to ; i++) {
+ /* set background color in EGA/VGA latch */
+ if (bg != (p[i] & 0xf000)) {
+ bg = (p[i] & 0xf000);
+ outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
+ outw(GDCIDX, (bg >> 4) | 0x00); /* set/reset */
+ *d = 0;
+ c = *d; /* set the background color in the latch */
+ outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */
+ }
+ /* foreground color */
+ outw(GDCIDX, (p[i] & 0x0f00) | 0x00); /* set/reset */
+ e = (u_char *)d;
+ f = &font[(p[i] & 0x00ff)*font_size];
+ for (j = 0 ; j < font_size; j++, f++) {
+ *e = *f^mark;
+ e += line_length;
+ }
+ d++;
+ if ((i % xsize) == xsize - 1)
+ d += scp->xoff*2 + (font_size - 1)*line_length;
+ }
+ outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
+ outw(GDCIDX, 0x0000); /* set/reset */
+ outw(GDCIDX, 0x0001); /* set/reset enable */
+#endif /* 0 */
+ }
+}
+
+#ifdef SC_SPLASH_SCREEN
+
+static void
+scsplash_init(scr_stat *scp)
+{
+ video_info_t info;
+
+ if (scsplash_load(scp) == 0 && add_scrn_saver(scsplash_saver) == 0) {
+ default_saver = scsplash_saver;
+ scrn_blank_time = DEFAULT_BLANKTIME;
+ run_scrn_saver = TRUE;
+ if (!(boothowto & (RB_VERBOSE | RB_CONFIG))) {
+ scsplash_stick(TRUE);
+ scsplash_saver(TRUE);
+ }
+ }
+}
+
+static void
+scsplash_term(scr_stat *scp)
+{
+ default_saver = none_saver;
+ scsplash_stick(FALSE);
+ remove_scrn_saver(scsplash_saver);
+ scsplash_unload(scp);
+}
+
+static void
+scsplash_saver(int show)
+{
+ if (show)
+ scsplash(TRUE);
+ else if (!sticky_splash)
+ scsplash(FALSE);
+}
+
+#endif /* SC_SPLASH_SCREEN */
+
+#endif /* NSC */