eee7706389
This effectively reverts r355935, but is functionally equivalent. We gain no benefit from storing the index and repeatedly fetching the keyboard with `kbd_get_keyboard` when we need it. We'll be notified when it's going away so we can clean up the pointer. All existing references were trivially converted. Only once instance actually needed the index.
476 lines
16 KiB
C
476 lines
16 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2009, 2013 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Ed Schouten under sponsorship from the
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* FreeBSD Foundation.
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*
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* Portions of this software were developed by Oleksandr Rybalko
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_VT_VT_H_
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#define _DEV_VT_VT_H_
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#include <sys/param.h>
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#include <sys/_lock.h>
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#include <sys/_mutex.h>
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#include <sys/callout.h>
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#include <sys/condvar.h>
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#include <sys/conf.h>
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#include <sys/consio.h>
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#include <sys/kbio.h>
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#include <sys/mouse.h>
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#include <sys/terminal.h>
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#include <sys/sysctl.h>
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#include "opt_syscons.h"
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#include "opt_splash.h"
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#ifndef VT_MAXWINDOWS
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#ifdef MAXCONS
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#define VT_MAXWINDOWS MAXCONS
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#else
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#define VT_MAXWINDOWS 12
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#endif
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#endif
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#ifndef VT_ALT_TO_ESC_HACK
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#define VT_ALT_TO_ESC_HACK 1
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#endif
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#define VT_CONSWINDOW 0
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#if defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE)
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#define VT_MOUSE_PASTEBUTTON MOUSE_BUTTON3DOWN /* right button */
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#define VT_MOUSE_EXTENDBUTTON MOUSE_BUTTON2DOWN /* not really used */
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#else
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#define VT_MOUSE_PASTEBUTTON MOUSE_BUTTON2DOWN /* middle button */
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#define VT_MOUSE_EXTENDBUTTON MOUSE_BUTTON3DOWN /* right button */
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#endif /* defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE) */
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#define SC_DRIVER_NAME "vt"
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#ifdef VT_DEBUG
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#define DPRINTF(_l, ...) if (vt_debug > (_l)) printf( __VA_ARGS__ )
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#define VT_CONSOLECTL_DEBUG
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#define VT_SYSMOUSE_DEBUG
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#else
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#define DPRINTF(_l, ...) do {} while (0)
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#endif
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#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
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#define VT_SYSCTL_INT(_name, _default, _descr) \
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int vt_##_name = (_default); \
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SYSCTL_INT(_kern_vt, OID_AUTO, _name, CTLFLAG_RWTUN, &vt_##_name, 0, _descr)
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struct vt_driver;
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void vt_allocate(const struct vt_driver *, void *);
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void vt_deallocate(const struct vt_driver *, void *);
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typedef unsigned int vt_axis_t;
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/*
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* List of locks
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* (d) locked by vd_lock
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* (b) locked by vb_lock
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* (G) locked by Giant
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* (u) unlocked, locked by higher levels
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* (c) const until freeing
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* (?) yet to be determined
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*/
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/*
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* Per-device datastructure.
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*/
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#ifndef SC_NO_CUTPASTE
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struct vt_mouse_cursor;
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#endif
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struct vt_pastebuf {
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term_char_t *vpb_buf; /* Copy-paste buffer. */
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unsigned int vpb_bufsz; /* Buffer size. */
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unsigned int vpb_len; /* Length of a last selection. */
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};
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struct vt_device {
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struct vt_window *vd_windows[VT_MAXWINDOWS]; /* (c) Windows. */
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struct vt_window *vd_curwindow; /* (d) Current window. */
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struct vt_window *vd_savedwindow;/* (?) Saved for suspend. */
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struct vt_pastebuf vd_pastebuf; /* (?) Copy/paste buf. */
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const struct vt_driver *vd_driver; /* (c) Graphics driver. */
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void *vd_softc; /* (u) Driver data. */
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const struct vt_driver *vd_prev_driver;/* (?) Previous driver. */
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void *vd_prev_softc; /* (?) Previous driver data. */
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device_t vd_video_dev; /* (?) Video adapter. */
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#ifndef SC_NO_CUTPASTE
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struct vt_mouse_cursor *vd_mcursor; /* (?) Cursor bitmap. */
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term_color_t vd_mcursor_fg; /* (?) Cursor fg color. */
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term_color_t vd_mcursor_bg; /* (?) Cursor bg color. */
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vt_axis_t vd_mx_drawn; /* (?) Mouse X and Y */
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vt_axis_t vd_my_drawn; /* as of last redraw. */
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int vd_mshown; /* (?) Mouse shown during */
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#endif /* last redrawn. */
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uint16_t vd_mx; /* (?) Current mouse X. */
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uint16_t vd_my; /* (?) current mouse Y. */
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uint32_t vd_mstate; /* (?) Mouse state. */
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vt_axis_t vd_width; /* (?) Screen width. */
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vt_axis_t vd_height; /* (?) Screen height. */
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size_t vd_transpose; /* (?) Screen offset in FB */
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struct mtx vd_lock; /* Per-device lock. */
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struct cv vd_winswitch; /* (d) Window switch notify. */
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struct callout vd_timer; /* (d) Display timer. */
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volatile unsigned int vd_timer_armed;/* (?) Display timer started.*/
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int vd_flags; /* (d) Device flags. */
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#define VDF_TEXTMODE 0x01 /* Do text mode rendering. */
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#define VDF_SPLASH 0x02 /* Splash screen active. */
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#define VDF_ASYNC 0x04 /* vt_timer() running. */
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#define VDF_INVALID 0x08 /* Entire screen should be re-rendered. */
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#define VDF_DEAD 0x10 /* Early probing found nothing. */
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#define VDF_INITIALIZED 0x20 /* vtterm_cnprobe already done. */
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#define VDF_MOUSECURSOR 0x40 /* Mouse cursor visible. */
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#define VDF_QUIET_BELL 0x80 /* Disable bell. */
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#define VDF_SUSPENDED 0x100 /* Device has been suspended. */
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#define VDF_DOWNGRADE 0x8000 /* The driver is being downgraded. */
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struct keyboard *vd_keyboard; /* (G) Keyboard. */
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unsigned int vd_kbstate; /* (?) Device unit. */
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unsigned int vd_unit; /* (c) Device unit. */
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int vd_altbrk; /* (?) Alt break seq. state */
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term_char_t *vd_drawn; /* (?) Most recent char drawn. */
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term_color_t *vd_drawnfg; /* (?) Most recent fg color drawn. */
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term_color_t *vd_drawnbg; /* (?) Most recent bg color drawn. */
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};
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#define VD_PASTEBUF(vd) ((vd)->vd_pastebuf.vpb_buf)
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#define VD_PASTEBUFSZ(vd) ((vd)->vd_pastebuf.vpb_bufsz)
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#define VD_PASTEBUFLEN(vd) ((vd)->vd_pastebuf.vpb_len)
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#define VT_LOCK(vd) mtx_lock(&(vd)->vd_lock)
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#define VT_UNLOCK(vd) mtx_unlock(&(vd)->vd_lock)
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#define VT_LOCK_ASSERT(vd, what) mtx_assert(&(vd)->vd_lock, what)
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void vt_resume(struct vt_device *vd);
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void vt_resume_flush_timer(struct vt_window *vw, int ms);
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void vt_suspend(struct vt_device *vd);
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/*
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* Per-window terminal screen buffer.
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*
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* Because redrawing is performed asynchronously, the buffer keeps track
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* of a rectangle that needs to be redrawn (vb_dirtyrect). Because this
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* approach seemed to cause suboptimal performance (when the top left
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* and the bottom right of the screen are modified), it also uses a set
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* of bitmasks to keep track of the rows and columns (mod 64) that have
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* been modified.
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*/
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struct vt_buf {
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struct mtx vb_lock; /* Buffer lock. */
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struct terminal *vb_terminal;
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term_pos_t vb_scr_size; /* (b) Screen dimensions. */
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int vb_flags; /* (b) Flags. */
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#define VBF_CURSOR 0x1 /* Cursor visible. */
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#define VBF_STATIC 0x2 /* Buffer is statically allocated. */
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#define VBF_MTX_INIT 0x4 /* Mutex initialized. */
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#define VBF_SCROLL 0x8 /* scroll locked mode. */
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#define VBF_HISTORY_FULL 0x10 /* All rows filled. */
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unsigned int vb_history_size;
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unsigned int vb_roffset; /* (b) History rows offset. */
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unsigned int vb_curroffset; /* (b) Saved rows offset. */
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term_pos_t vb_cursor; /* (u) Cursor position. */
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term_pos_t vb_mark_start; /* (b) Copy region start. */
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term_pos_t vb_mark_end; /* (b) Copy region end. */
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int vb_mark_last; /* Last mouse event. */
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term_rect_t vb_dirtyrect; /* (b) Dirty rectangle. */
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term_char_t *vb_buffer; /* (u) Data buffer. */
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term_char_t **vb_rows; /* (u) Array of rows */
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};
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#ifdef SC_HISTORY_SIZE
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#define VBF_DEFAULT_HISTORY_SIZE SC_HISTORY_SIZE
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#else
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#define VBF_DEFAULT_HISTORY_SIZE 500
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#endif
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void vtbuf_lock(struct vt_buf *);
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void vtbuf_unlock(struct vt_buf *);
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void vtbuf_copy(struct vt_buf *, const term_rect_t *, const term_pos_t *);
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void vtbuf_fill(struct vt_buf *, const term_rect_t *, term_char_t);
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void vtbuf_init_early(struct vt_buf *);
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void vtbuf_init(struct vt_buf *, const term_pos_t *);
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void vtbuf_grow(struct vt_buf *, const term_pos_t *, unsigned int);
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void vtbuf_putchar(struct vt_buf *, const term_pos_t *, term_char_t);
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void vtbuf_cursor_position(struct vt_buf *, const term_pos_t *);
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void vtbuf_scroll_mode(struct vt_buf *vb, int yes);
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void vtbuf_dirty(struct vt_buf *vb, const term_rect_t *area);
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void vtbuf_undirty(struct vt_buf *, term_rect_t *);
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void vtbuf_sethistory_size(struct vt_buf *, unsigned int);
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int vtbuf_iscursor(const struct vt_buf *vb, int row, int col);
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void vtbuf_cursor_visibility(struct vt_buf *, int);
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#ifndef SC_NO_CUTPASTE
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int vtbuf_set_mark(struct vt_buf *vb, int type, int col, int row);
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int vtbuf_get_marked_len(struct vt_buf *vb);
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void vtbuf_extract_marked(struct vt_buf *vb, term_char_t *buf, int sz);
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#endif
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#define VTB_MARK_NONE 0
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#define VTB_MARK_END 1
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#define VTB_MARK_START 2
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#define VTB_MARK_WORD 3
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#define VTB_MARK_ROW 4
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#define VTB_MARK_EXTEND 5
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#define VTB_MARK_MOVE 6
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#define VTBUF_SLCK_ENABLE(vb) vtbuf_scroll_mode((vb), 1)
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#define VTBUF_SLCK_DISABLE(vb) vtbuf_scroll_mode((vb), 0)
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#define VTBUF_MAX_HEIGHT(vb) \
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((vb)->vb_history_size)
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#define VTBUF_GET_ROW(vb, r) \
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((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)])
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#define VTBUF_GET_FIELD(vb, r, c) \
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((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
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#define VTBUF_FIELD(vb, r, c) \
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((vb)->vb_rows[((vb)->vb_curroffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
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#define VTBUF_ISCURSOR(vb, r, c) \
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vtbuf_iscursor((vb), (r), (c))
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#define VTBUF_DIRTYROW(mask, row) \
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((mask)->vbm_row & ((uint64_t)1 << ((row) % 64)))
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#define VTBUF_DIRTYCOL(mask, col) \
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((mask)->vbm_col & ((uint64_t)1 << ((col) % 64)))
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#define VTBUF_SPACE_CHAR(attr) (' ' | (attr))
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#define VHS_SET 0
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#define VHS_CUR 1
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#define VHS_END 2
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int vthistory_seek(struct vt_buf *, int offset, int whence);
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void vthistory_addlines(struct vt_buf *vb, int offset);
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void vthistory_getpos(const struct vt_buf *, unsigned int *offset);
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/*
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* Per-window datastructure.
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*/
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struct vt_window {
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struct vt_device *vw_device; /* (c) Device. */
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struct terminal *vw_terminal; /* (c) Terminal. */
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struct vt_buf vw_buf; /* (u) Screen buffer. */
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struct vt_font *vw_font; /* (d) Graphical font. */
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term_rect_t vw_draw_area; /* (?) Drawable area. */
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unsigned int vw_number; /* (c) Window number. */
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int vw_kbdmode; /* (?) Keyboard mode. */
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int vw_prev_kbdmode;/* (?) Previous mode. */
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int vw_kbdstate; /* (?) Keyboard state. */
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int vw_grabbed; /* (?) Grab count. */
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char *vw_kbdsq; /* Escape sequence queue*/
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unsigned int vw_flags; /* (d) Per-window flags. */
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int vw_mouse_level;/* Mouse op mode. */
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#define VWF_BUSY 0x1 /* Busy reconfiguring device. */
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#define VWF_OPENED 0x2 /* TTY in use. */
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#define VWF_SCROLL 0x4 /* Keys influence scrollback. */
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#define VWF_CONSOLE 0x8 /* Kernel message console window. */
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#define VWF_VTYLOCK 0x10 /* Prevent window switch. */
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#define VWF_MOUSE_HIDE 0x20 /* Disable mouse events processing. */
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#define VWF_READY 0x40 /* Window fully initialized. */
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#define VWF_GRAPHICS 0x80 /* Window in graphics mode (KDSETMODE). */
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#define VWF_SWWAIT_REL 0x10000 /* Program wait for VT acquire is done. */
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#define VWF_SWWAIT_ACQ 0x20000 /* Program wait for VT release is done. */
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pid_t vw_pid; /* Terminal holding process */
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struct proc *vw_proc;
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struct vt_mode vw_smode; /* switch mode */
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struct callout vw_proc_dead_timer;
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struct vt_window *vw_switch_to;
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};
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#define VT_AUTO 0 /* switching is automatic */
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#define VT_PROCESS 1 /* switching controlled by prog */
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#define VT_KERNEL 255 /* switching controlled in kernel */
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#define IS_VT_PROC_MODE(vw) ((vw)->vw_smode.mode == VT_PROCESS)
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/*
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* Per-device driver routines.
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*/
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typedef int vd_init_t(struct vt_device *vd);
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typedef int vd_probe_t(struct vt_device *vd);
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typedef void vd_fini_t(struct vt_device *vd, void *softc);
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typedef void vd_postswitch_t(struct vt_device *vd);
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typedef void vd_blank_t(struct vt_device *vd, term_color_t color);
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typedef void vd_bitblt_text_t(struct vt_device *vd, const struct vt_window *vw,
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const term_rect_t *area);
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typedef void vd_invalidate_text_t(struct vt_device *vd,
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const term_rect_t *area);
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typedef void vd_bitblt_bmp_t(struct vt_device *vd, const struct vt_window *vw,
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const uint8_t *pattern, const uint8_t *mask,
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unsigned int width, unsigned int height,
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unsigned int x, unsigned int y, term_color_t fg, term_color_t bg);
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typedef int vd_fb_ioctl_t(struct vt_device *, u_long, caddr_t, struct thread *);
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typedef int vd_fb_mmap_t(struct vt_device *, vm_ooffset_t, vm_paddr_t *, int,
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vm_memattr_t *);
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typedef void vd_drawrect_t(struct vt_device *, int, int, int, int, int,
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term_color_t);
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typedef void vd_setpixel_t(struct vt_device *, int, int, term_color_t);
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typedef void vd_suspend_t(struct vt_device *);
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typedef void vd_resume_t(struct vt_device *);
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struct vt_driver {
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char vd_name[16];
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/* Console attachment. */
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vd_probe_t *vd_probe;
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vd_init_t *vd_init;
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vd_fini_t *vd_fini;
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/* Drawing. */
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vd_blank_t *vd_blank;
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vd_drawrect_t *vd_drawrect;
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vd_setpixel_t *vd_setpixel;
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vd_bitblt_text_t *vd_bitblt_text;
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vd_invalidate_text_t *vd_invalidate_text;
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vd_bitblt_bmp_t *vd_bitblt_bmp;
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/* Framebuffer ioctls, if present. */
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vd_fb_ioctl_t *vd_fb_ioctl;
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/* Framebuffer mmap, if present. */
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vd_fb_mmap_t *vd_fb_mmap;
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/* Update display setting on vt switch. */
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vd_postswitch_t *vd_postswitch;
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/* Suspend/resume handlers. */
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vd_suspend_t *vd_suspend;
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vd_resume_t *vd_resume;
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/* Priority to know which one can override */
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int vd_priority;
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#define VD_PRIORITY_DUMB 10
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#define VD_PRIORITY_GENERIC 100
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#define VD_PRIORITY_SPECIFIC 1000
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};
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/*
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* Console device madness.
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*
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* Utility macro to make early vt(4) instances work.
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*/
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extern struct vt_device vt_consdev;
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extern struct terminal vt_consterm;
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extern const struct terminal_class vt_termclass;
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void vt_upgrade(struct vt_device *vd);
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#define PIXEL_WIDTH(w) ((w) / 8)
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#define PIXEL_HEIGHT(h) ((h) / 16)
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#ifndef VT_FB_MAX_WIDTH
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#define VT_FB_MAX_WIDTH 4096
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#endif
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#ifndef VT_FB_MAX_HEIGHT
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#define VT_FB_MAX_HEIGHT 2400
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#endif
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/* name argument is not used yet. */
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#define VT_DRIVER_DECLARE(name, drv) DATA_SET(vt_drv_set, drv)
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/*
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* Fonts.
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*
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* Remapping tables are used to map Unicode points to glyphs. They need
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* to be sorted, because vtfont_lookup() performs a binary search. Each
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* font has two remapping tables, for normal and bold. When a character
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* is not present in bold, it uses a normal glyph. When no glyph is
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* available, it uses glyph 0, which is normally equal to U+FFFD.
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*/
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struct vt_font_map {
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uint32_t vfm_src;
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uint16_t vfm_dst;
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uint16_t vfm_len;
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};
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struct vt_font {
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struct vt_font_map *vf_map[VFNT_MAPS];
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uint8_t *vf_bytes;
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unsigned int vf_height, vf_width;
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unsigned int vf_map_count[VFNT_MAPS];
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unsigned int vf_refcount;
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};
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#ifndef SC_NO_CUTPASTE
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struct vt_mouse_cursor {
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uint8_t map[64 * 64 / 8];
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uint8_t mask[64 * 64 / 8];
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uint8_t width;
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uint8_t height;
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};
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#endif
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const uint8_t *vtfont_lookup(const struct vt_font *vf, term_char_t c);
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struct vt_font *vtfont_ref(struct vt_font *vf);
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void vtfont_unref(struct vt_font *vf);
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int vtfont_load(vfnt_t *f, struct vt_font **ret);
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/* Sysmouse. */
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void sysmouse_process_event(mouse_info_t *mi);
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#ifndef SC_NO_CUTPASTE
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void vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel);
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void vt_mouse_state(int show);
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#endif
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#define VT_MOUSE_SHOW 1
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#define VT_MOUSE_HIDE 0
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/* Utilities. */
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void vt_compute_drawable_area(struct vt_window *);
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void vt_determine_colors(term_char_t c, int cursor,
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term_color_t *fg, term_color_t *bg);
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int vt_is_cursor_in_area(const struct vt_device *vd,
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const term_rect_t *area);
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|
void vt_termsize(struct vt_device *, struct vt_font *, term_pos_t *);
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void vt_winsize(struct vt_device *, struct vt_font *, struct winsize *);
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/* Logos-on-boot. */
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#define VT_LOGOS_DRAW_BEASTIE 0
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#define VT_LOGOS_DRAW_ALT_BEASTIE 1
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#define VT_LOGOS_DRAW_ORB 2
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extern int vt_draw_logo_cpus;
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|
extern int vt_splash_cpu;
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extern int vt_splash_ncpu;
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extern int vt_splash_cpu_style;
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|
extern int vt_splash_cpu_duration;
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extern const unsigned int vt_logo_sprite_height;
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|
extern const unsigned int vt_logo_sprite_width;
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|
void vtterm_draw_cpu_logos(struct vt_device *);
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#endif /* !_DEV_VT_VT_H_ */
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