452 lines
16 KiB
C
452 lines
16 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2009, 2013 The FreeBSD Foundation
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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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#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 <sys/font.h>
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#include <sys/taskqueue.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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int vt_allocate(const struct vt_driver *, void *);
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int 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_window *vd_grabwindow; /* (?) Saved before cngrab. */
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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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void vtbuf_clearhistory(struct vt_buf *);
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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, int mark);
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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 timeout_task vw_timeout_task_dead;
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struct vt_window *vw_switch_to;
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int vw_bell_pitch; /* (?) Bell pitch */
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sbintime_t vw_bell_duration; /* (?) Bell duration */
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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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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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#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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|
|
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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. */
|
|
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);
|
|
int vt_is_cursor_in_area(const struct vt_device *vd,
|
|
const term_rect_t *area);
|
|
void vt_termsize(struct vt_device *, struct vt_font *, term_pos_t *);
|
|
void vt_winsize(struct vt_device *, struct vt_font *, struct winsize *);
|
|
|
|
/* Logos-on-boot. */
|
|
#define VT_LOGOS_DRAW_BEASTIE 0
|
|
#define VT_LOGOS_DRAW_ALT_BEASTIE 1
|
|
#define VT_LOGOS_DRAW_ORB 2
|
|
|
|
extern int vt_draw_logo_cpus;
|
|
extern int vt_splash_cpu;
|
|
extern int vt_splash_ncpu;
|
|
extern int vt_splash_cpu_style;
|
|
extern int vt_splash_cpu_duration;
|
|
|
|
extern const unsigned int vt_logo_sprite_height;
|
|
extern const unsigned int vt_logo_sprite_width;
|
|
|
|
void vtterm_draw_cpu_logos(struct vt_device *);
|
|
|
|
#endif /* !_DEV_VT_VT_H_ */
|