[PATCH v3 5/8] fbd: Import from FreeBSD

Vijay Kumar Banerjee vijaykumar9597 at gmail.com
Sat Aug 3 20:19:42 UTC 2019


---
 freebsd/sys/dev/fb/fb.c                   | 762 ++++++++++++++++++++++
 freebsd/sys/dev/fb/fbd.c                  | 372 +++++++++++
 freebsd/sys/dev/fb/fbreg.h                | 345 ++++++++++
 freebsd/sys/dev/vt/colors/vt_termcolors.h |  63 ++
 freebsd/sys/dev/vt/hw/fb/vt_fb.h          |  54 ++
 freebsd/sys/dev/vt/vt.h                   | 474 ++++++++++++++
 freebsd/sys/sys/consio.h                  | 468 +++++++++++++
 freebsd/sys/sys/fbio.h                    | 622 ++++++++++++++++++
 freebsd/sys/sys/terminal.h                | 240 +++++++
 freebsd/sys/teken/teken.h                 | 221 +++++++
 10 files changed, 3621 insertions(+)
 create mode 100644 freebsd/sys/dev/fb/fb.c
 create mode 100644 freebsd/sys/dev/fb/fbd.c
 create mode 100644 freebsd/sys/dev/fb/fbreg.h
 create mode 100644 freebsd/sys/dev/vt/colors/vt_termcolors.h
 create mode 100644 freebsd/sys/dev/vt/hw/fb/vt_fb.h
 create mode 100644 freebsd/sys/dev/vt/vt.h
 create mode 100644 freebsd/sys/sys/consio.h
 create mode 100644 freebsd/sys/sys/fbio.h
 create mode 100644 freebsd/sys/sys/terminal.h
 create mode 100644 freebsd/sys/teken/teken.h

diff --git a/freebsd/sys/dev/fb/fb.c b/freebsd/sys/dev/fb/fb.c
new file mode 100644
index 00000000..a3263c91
--- /dev/null
+++ b/freebsd/sys/dev/fb/fb.c
@@ -0,0 +1,762 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1999 Kazutaka YOKOTA <yokota at zodiac.mech.utsunomiya-u.ac.jp>
+ * 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 as
+ *    the first lines of this file unmodified.
+ * 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 AUTHORS ``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 AUTHORS 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <rtems/bsd/local/opt_fb.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/uio.h>
+#include <sys/fbio.h>
+#include <sys/linker_set.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <dev/fb/fbreg.h>
+
+SET_DECLARE(videodriver_set, const video_driver_t);
+
+/* local arrays */
+
+/*
+ * We need at least one entry each in order to initialize a video card
+ * for the kernel console.  The arrays will be increased dynamically
+ * when necessary.
+ */
+
+static int		vid_malloc;
+static int		adapters = 1;
+static video_adapter_t	*adp_ini;
+static video_adapter_t	**adapter = &adp_ini;
+static video_switch_t	*vidsw_ini;
+       video_switch_t	**vidsw = &vidsw_ini;
+
+#ifdef FB_INSTALL_CDEV
+static struct cdevsw	*vidcdevsw_ini;
+static struct cdevsw	**vidcdevsw = &vidcdevsw_ini;
+#endif
+
+#define ARRAY_DELTA	4
+
+static int
+vid_realloc_array(void)
+{
+	video_adapter_t **new_adp;
+	video_switch_t **new_vidsw;
+#ifdef FB_INSTALL_CDEV
+	struct cdevsw **new_cdevsw;
+#endif
+	int newsize;
+	int s;
+
+	if (!vid_malloc)
+		return ENOMEM;
+
+	s = spltty();
+	newsize = rounddown(adapters + ARRAY_DELTA, ARRAY_DELTA);
+	new_adp = malloc(sizeof(*new_adp)*newsize, M_DEVBUF, M_WAITOK | M_ZERO);
+	new_vidsw = malloc(sizeof(*new_vidsw)*newsize, M_DEVBUF,
+	    M_WAITOK | M_ZERO);
+#ifdef FB_INSTALL_CDEV
+	new_cdevsw = malloc(sizeof(*new_cdevsw)*newsize, M_DEVBUF,
+	    M_WAITOK | M_ZERO);
+#endif
+	bcopy(adapter, new_adp, sizeof(*adapter)*adapters);
+	bcopy(vidsw, new_vidsw, sizeof(*vidsw)*adapters);
+#ifdef FB_INSTALL_CDEV
+	bcopy(vidcdevsw, new_cdevsw, sizeof(*vidcdevsw)*adapters);
+#endif
+	if (adapters > 1) {
+		free(adapter, M_DEVBUF);
+		free(vidsw, M_DEVBUF);
+#ifdef FB_INSTALL_CDEV
+		free(vidcdevsw, M_DEVBUF);
+#endif
+	}
+	adapter = new_adp;
+	vidsw = new_vidsw;
+#ifdef FB_INSTALL_CDEV
+	vidcdevsw = new_cdevsw;
+#endif
+	adapters = newsize;
+	splx(s);
+
+	if (bootverbose)
+		printf("fb: new array size %d\n", adapters);
+
+	return 0;
+}
+
+static void
+vid_malloc_init(void *arg)
+{
+	vid_malloc = TRUE;
+}
+
+SYSINIT(vid_mem, SI_SUB_KMEM, SI_ORDER_ANY, vid_malloc_init, NULL);
+
+/*
+ * Low-level frame buffer driver functions
+ * frame buffer subdrivers, such as the VGA driver, call these functions
+ * to initialize the video_adapter structure and register it to the virtual
+ * frame buffer driver `fb'.
+ */
+
+/* initialize the video_adapter_t structure */
+void
+vid_init_struct(video_adapter_t *adp, char *name, int type, int unit)
+{
+	adp->va_flags = 0;
+	adp->va_name = name;
+	adp->va_type = type;
+	adp->va_unit = unit;
+}
+
+/* Register a video adapter */
+int
+vid_register(video_adapter_t *adp)
+{
+	const video_driver_t **list;
+	const video_driver_t *p;
+	int index;
+
+	for (index = 0; index < adapters; ++index) {
+		if (adapter[index] == NULL)
+			break;
+	}
+	if (index >= adapters) {
+		if (vid_realloc_array())
+			return -1;
+	}
+
+	adp->va_index = index;
+	adp->va_token = NULL;
+	SET_FOREACH(list, videodriver_set) {
+		p = *list;
+		if (strcmp(p->name, adp->va_name) == 0) {
+			adapter[index] = adp;
+			vidsw[index] = p->vidsw;
+			return index;
+		}
+	}
+
+	return -1;
+}
+
+int
+vid_unregister(video_adapter_t *adp)
+{
+	if ((adp->va_index < 0) || (adp->va_index >= adapters))
+		return ENOENT;
+	if (adapter[adp->va_index] != adp)
+		return ENOENT;
+
+	adapter[adp->va_index] = NULL;
+	vidsw[adp->va_index] = NULL;
+	return 0;
+}
+
+/* Get video I/O function table */
+video_switch_t
+*vid_get_switch(char *name)
+{
+	const video_driver_t **list;
+	const video_driver_t *p;
+
+	SET_FOREACH(list, videodriver_set) {
+		p = *list;
+		if (strcmp(p->name, name) == 0)
+			return p->vidsw;
+	}
+
+	return NULL;
+}
+
+/*
+ * Video card client functions
+ * Video card clients, such as the console driver `syscons' and the frame
+ * buffer cdev driver, use these functions to claim and release a card for
+ * exclusive use.
+ */
+
+/* find the video card specified by a driver name and a unit number */
+int
+vid_find_adapter(char *driver, int unit)
+{
+	int i;
+
+	for (i = 0; i < adapters; ++i) {
+		if (adapter[i] == NULL)
+			continue;
+		if (strcmp("*", driver) && strcmp(adapter[i]->va_name, driver))
+			continue;
+		if ((unit != -1) && (adapter[i]->va_unit != unit))
+			continue;
+		return i;
+	}
+	return -1;
+}
+
+/* allocate a video card */
+int
+vid_allocate(char *driver, int unit, void *id)
+{
+	int index;
+	int s;
+
+	s = spltty();
+	index = vid_find_adapter(driver, unit);
+	if (index >= 0) {
+		if (adapter[index]->va_token) {
+			splx(s);
+			return -1;
+		}
+		adapter[index]->va_token = id;
+	}
+	splx(s);
+	return index;
+}
+
+int
+vid_release(video_adapter_t *adp, void *id)
+{
+	int error;
+	int s;
+
+	s = spltty();
+	if (adp->va_token == NULL) {
+		error = EINVAL;
+	} else if (adp->va_token != id) {
+		error = EPERM;
+	} else {
+		adp->va_token = NULL;
+		error = 0;
+	}
+	splx(s);
+	return error;
+}
+
+/* Get a video adapter structure */
+video_adapter_t
+*vid_get_adapter(int index)
+{
+	if ((index < 0) || (index >= adapters))
+		return NULL;
+	return adapter[index];
+}
+
+/* Configure drivers: this is a backdoor for the console driver XXX */
+int
+vid_configure(int flags)
+{
+	const video_driver_t **list;
+	const video_driver_t *p;
+
+	SET_FOREACH(list, videodriver_set) {
+		p = *list;
+		if (p->configure != NULL)
+			(*p->configure)(flags);
+	}
+
+	return 0;
+}
+
+/*
+ * Virtual frame buffer cdev driver functions
+ * The virtual frame buffer driver dispatches driver functions to
+ * appropriate subdrivers.
+ */
+
+#define FB_DRIVER_NAME	"fb"
+
+#ifdef FB_INSTALL_CDEV
+
+#if 0 /* experimental */
+
+static devclass_t	fb_devclass;
+
+static int		fbprobe(device_t dev);
+static int		fbattach(device_t dev);
+
+static device_method_t fb_methods[] = {
+	DEVMETHOD(device_probe,		fbprobe),
+	DEVMETHOD(device_attach,	fbattach),
+
+	DEVMETHOD_END
+};
+
+static driver_t fb_driver = {
+	FB_DRIVER_NAME,
+	fb_methods,
+	0,
+};
+
+static int
+fbprobe(device_t dev)
+{
+	int unit;
+
+	unit = device_get_unit(dev);
+	if (unit >= adapters)
+		return ENXIO;
+	if (adapter[unit] == NULL)
+		return ENXIO;
+
+	device_set_desc(dev, "generic frame buffer");
+	return 0;
+}
+
+static int
+fbattach(device_t dev)
+{
+	printf("fbattach: about to attach children\n");
+	bus_generic_attach(dev);
+	return 0;
+}
+
+#endif
+
+#define FB_UNIT(dev)	dev2unit(dev)
+#define FB_MKMINOR(unit) (u)
+
+#if 0 /* experimental */
+static d_open_t		fbopen;
+static d_close_t	fbclose;
+static d_read_t		fbread;
+static d_write_t	fbwrite;
+static d_ioctl_t	fbioctl;
+static d_mmap_t		fbmmap;
+
+
+static struct cdevsw fb_cdevsw = {
+	.d_version =	D_VERSION,
+	.d_flags =	D_NEEDGIANT,
+	.d_open =	fbopen,
+	.d_close =	fbclose,
+	.d_read =	fbread,
+	.d_write =	fbwrite,
+	.d_ioctl =	fbioctl,
+	.d_mmap =	fbmmap,
+	.d_name =	FB_DRIVER_NAME,
+};
+#endif
+
+
+static int
+fb_modevent(module_t mod, int type, void *data) 
+{ 
+
+	switch (type) { 
+	case MOD_LOAD: 
+		break; 
+	case MOD_UNLOAD: 
+		printf("fb module unload - not possible for this module type\n"); 
+		return EINVAL; 
+	default:
+		return EOPNOTSUPP;
+	} 
+	return 0; 
+} 
+
+static moduledata_t fb_mod = { 
+	"fb", 
+	fb_modevent, 
+	NULL
+}; 
+
+DECLARE_MODULE(fb, fb_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
+
+int
+fb_attach(int unit, video_adapter_t *adp, struct cdevsw *cdevsw)
+{
+	int s;
+
+	if (adp->va_index >= adapters)
+		return EINVAL;
+	if (adapter[adp->va_index] != adp)
+		return EINVAL;
+
+	s = spltty();
+	adp->va_minor = unit;
+	vidcdevsw[adp->va_index] = cdevsw;
+	splx(s);
+
+	printf("fb%d at %s%d\n", adp->va_index, adp->va_name, adp->va_unit);
+	return 0;
+}
+
+int
+fb_detach(int unit, video_adapter_t *adp, struct cdevsw *cdevsw)
+{
+	int s;
+
+	if (adp->va_index >= adapters)
+		return EINVAL;
+	if (adapter[adp->va_index] != adp)
+		return EINVAL;
+	if (vidcdevsw[adp->va_index] != cdevsw)
+		return EINVAL;
+
+	s = spltty();
+	vidcdevsw[adp->va_index] = NULL;
+	splx(s);
+	return 0;
+}
+
+/*
+ * Generic frame buffer cdev driver functions
+ * Frame buffer subdrivers may call these functions to implement common
+ * driver functions.
+ */
+
+int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
+	      struct thread *td)
+{
+	int s;
+
+	s = spltty();
+	if (!(sc->gfb_flags & FB_OPEN))
+		sc->gfb_flags |= FB_OPEN;
+	splx(s);
+	return 0;
+}
+
+int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, int flag, int mode,
+	       struct thread *td)
+{
+	int s;
+
+	s = spltty();
+	sc->gfb_flags &= ~FB_OPEN;
+	splx(s);
+	return 0;
+}
+
+int genfbread(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
+	      int flag)
+{
+	int size;
+	int offset;
+	int error;
+	int len;
+
+	error = 0;
+	size = adp->va_buffer_size/adp->va_info.vi_planes;
+	while (uio->uio_resid > 0) {
+		if (uio->uio_offset >= size)
+			break;
+		offset = uio->uio_offset%adp->va_window_size;
+		len = imin(uio->uio_resid, size - uio->uio_offset);
+		len = imin(len, adp->va_window_size - offset);
+		if (len <= 0)
+			break;
+		vidd_set_win_org(adp, uio->uio_offset);
+		error = uiomove((caddr_t)(adp->va_window + offset), len, uio);
+		if (error)
+			break;
+	}
+	return error;
+}
+
+int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, struct uio *uio,
+	       int flag)
+{
+	return ENODEV;
+}
+
+int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, u_long cmd,
+	       caddr_t arg, int flag, struct thread *td)
+{
+	int error;
+
+	if (adp == NULL)	/* XXX */
+		return ENXIO;
+	error = vidd_ioctl(adp, cmd, arg);
+	if (error == ENOIOCTL)
+		error = ENODEV;
+	return error;
+}
+
+int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, vm_ooffset_t offset,
+	      vm_offset_t *paddr, int prot, vm_memattr_t *memattr)
+{
+	return vidd_mmap(adp, offset, paddr, prot, memattr);
+}
+
+#endif /* FB_INSTALL_CDEV */
+
+static char
+*adapter_name(int type)
+{
+    static struct {
+	int type;
+	char *name;
+    } names[] = {
+	{ KD_MONO,	"MDA" },
+	{ KD_HERCULES,	"Hercules" },
+	{ KD_CGA,	"CGA" },
+	{ KD_EGA,	"EGA" },
+	{ KD_VGA,	"VGA" },
+	{ KD_TGA,	"TGA" },
+	{ -1,		"Unknown" },
+    };
+    int i;
+
+    for (i = 0; names[i].type != -1; ++i)
+	if (names[i].type == type)
+	    break;
+    return names[i].name;
+}
+
+/*
+ * Generic low-level frame buffer functions
+ * The low-level functions in the frame buffer subdriver may use these
+ * functions.
+ */
+
+void
+fb_dump_adp_info(char *driver, video_adapter_t *adp, int level)
+{
+    if (level <= 0)
+	return;
+
+    printf("%s%d: %s%d, %s, type:%s (%d), flags:0x%x\n", 
+	   FB_DRIVER_NAME, adp->va_index, driver, adp->va_unit, adp->va_name,
+	   adapter_name(adp->va_type), adp->va_type, adp->va_flags);
+    printf("%s%d: port:0x%lx-0x%lx, crtc:0x%lx, mem:0x%lx 0x%x\n",
+	   FB_DRIVER_NAME, adp->va_index, (u_long)adp->va_io_base, 
+	   (u_long)adp->va_io_base + adp->va_io_size - 1,
+	   (u_long)adp->va_crtc_addr, (u_long)adp->va_mem_base, 
+	   adp->va_mem_size);
+    printf("%s%d: init mode:%d, bios mode:%d, current mode:%d\n",
+	   FB_DRIVER_NAME, adp->va_index,
+	   adp->va_initial_mode, adp->va_initial_bios_mode, adp->va_mode);
+    printf("%s%d: window:%p size:%dk gran:%dk, buf:%p size:%dk\n",
+	   FB_DRIVER_NAME, adp->va_index, 
+	   (void *)adp->va_window, (int)adp->va_window_size/1024,
+	   (int)adp->va_window_gran/1024, (void *)adp->va_buffer,
+	   (int)adp->va_buffer_size/1024);
+}
+
+void
+fb_dump_mode_info(char *driver, video_adapter_t *adp, video_info_t *info,
+		  int level)
+{
+    if (level <= 0)
+	return;
+
+    printf("%s%d: %s, mode:%d, flags:0x%x ", 
+	   driver, adp->va_unit, adp->va_name, info->vi_mode, info->vi_flags);
+    if (info->vi_flags & V_INFO_GRAPHICS)
+	printf("G %dx%dx%d, %d plane(s), font:%dx%d, ",
+	       info->vi_width, info->vi_height, 
+	       info->vi_depth, info->vi_planes, 
+	       info->vi_cwidth, info->vi_cheight); 
+    else
+	printf("T %dx%d, font:%dx%d, ",
+	       info->vi_width, info->vi_height, 
+	       info->vi_cwidth, info->vi_cheight); 
+    printf("win:0x%lx\n", (u_long)info->vi_window);
+}
+
+int
+fb_type(int adp_type)
+{
+	static struct {
+		int	fb_type;
+		int	va_type;
+	} types[] = {
+		{ FBTYPE_MDA,		KD_MONO },
+		{ FBTYPE_HERCULES,	KD_HERCULES },
+		{ FBTYPE_CGA,		KD_CGA },
+		{ FBTYPE_EGA,		KD_EGA },
+		{ FBTYPE_VGA,		KD_VGA },
+		{ FBTYPE_TGA,		KD_TGA },
+	};
+	int i;
+
+	for (i = 0; i < nitems(types); ++i) {
+		if (types[i].va_type == adp_type)
+			return types[i].fb_type;
+	}
+	return -1;
+}
+
+int
+fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
+{
+	int error;
+	int s;
+
+	/* assert(adp != NULL) */
+
+	error = 0;
+	s = spltty();
+
+	switch (cmd) {
+
+	case FBIO_ADAPTER:	/* get video adapter index */
+		*(int *)arg = adp->va_index;
+		break;
+
+	case FBIO_ADPTYPE:	/* get video adapter type */
+		*(int *)arg = adp->va_type;
+		break;
+
+	case FBIO_ADPINFO:	/* get video adapter info */
+	        ((video_adapter_info_t *)arg)->va_index = adp->va_index;
+		((video_adapter_info_t *)arg)->va_type = adp->va_type;
+		bcopy(adp->va_name, ((video_adapter_info_t *)arg)->va_name,
+		      imin(strlen(adp->va_name) + 1,
+			   sizeof(((video_adapter_info_t *)arg)->va_name))); 
+		((video_adapter_info_t *)arg)->va_unit = adp->va_unit;
+		((video_adapter_info_t *)arg)->va_flags = adp->va_flags;
+		((video_adapter_info_t *)arg)->va_io_base = adp->va_io_base;
+		((video_adapter_info_t *)arg)->va_io_size = adp->va_io_size;
+		((video_adapter_info_t *)arg)->va_crtc_addr = adp->va_crtc_addr;
+		((video_adapter_info_t *)arg)->va_mem_base = adp->va_mem_base;
+		((video_adapter_info_t *)arg)->va_mem_size = adp->va_mem_size;
+		((video_adapter_info_t *)arg)->va_window
+#if defined(__amd64__) || defined(__i386__)
+			= vtophys(adp->va_window);
+#else
+			= adp->va_window;
+#endif
+		((video_adapter_info_t *)arg)->va_window_size
+			= adp->va_window_size;
+		((video_adapter_info_t *)arg)->va_window_gran
+			= adp->va_window_gran;
+		((video_adapter_info_t *)arg)->va_window_orig
+			= adp->va_window_orig;
+		((video_adapter_info_t *)arg)->va_unused0
+#if defined(__amd64__) || defined(__i386__)
+			= adp->va_buffer != 0 ? vtophys(adp->va_buffer) : 0;
+#else
+			= adp->va_buffer;
+#endif
+		((video_adapter_info_t *)arg)->va_buffer_size
+			= adp->va_buffer_size;
+		((video_adapter_info_t *)arg)->va_mode = adp->va_mode;
+		((video_adapter_info_t *)arg)->va_initial_mode
+			= adp->va_initial_mode;
+		((video_adapter_info_t *)arg)->va_initial_bios_mode
+			= adp->va_initial_bios_mode;
+		((video_adapter_info_t *)arg)->va_line_width
+			= adp->va_line_width;
+		((video_adapter_info_t *)arg)->va_disp_start.x
+			= adp->va_disp_start.x;
+		((video_adapter_info_t *)arg)->va_disp_start.y
+			= adp->va_disp_start.y;
+		break;
+
+	case FBIO_MODEINFO:	/* get mode information */
+		error = vidd_get_info(adp,
+		    ((video_info_t *)arg)->vi_mode,
+		    (video_info_t *)arg);
+		if (error)
+			error = ENODEV;
+		break;
+
+	case FBIO_FINDMODE:	/* find a matching video mode */
+		error = vidd_query_mode(adp, (video_info_t *)arg);
+		break;
+
+	case FBIO_GETMODE:	/* get video mode */
+		*(int *)arg = adp->va_mode;
+		break;
+
+	case FBIO_SETMODE:	/* set video mode */
+		error = vidd_set_mode(adp, *(int *)arg);
+		if (error)
+			error = ENODEV;	/* EINVAL? */
+		break;
+
+	case FBIO_GETWINORG:	/* get frame buffer window origin */
+		*(u_int *)arg = adp->va_window_orig;
+		break;
+
+	case FBIO_GETDISPSTART:	/* get display start address */
+		((video_display_start_t *)arg)->x = adp->va_disp_start.x;
+		((video_display_start_t *)arg)->y = adp->va_disp_start.y;
+		break;
+
+	case FBIO_GETLINEWIDTH:	/* get scan line width in bytes */
+		*(u_int *)arg = adp->va_line_width;
+		break;
+
+	case FBIO_BLANK:	/* blank display */
+		error = vidd_blank_display(adp, *(int *)arg);
+		break;
+
+	case FBIO_GETPALETTE:	/* get color palette */
+	case FBIO_SETPALETTE:	/* set color palette */
+		/* XXX */
+
+	case FBIOPUTCMAP:
+	case FBIOGETCMAP:
+	case FBIOPUTCMAPI:
+	case FBIOGETCMAPI:
+		/* XXX */
+
+	case FBIO_SETWINORG:	/* set frame buffer window origin */
+	case FBIO_SETDISPSTART:	/* set display start address */
+	case FBIO_SETLINEWIDTH:	/* set scan line width in pixel */
+
+	case FBIOGTYPE:
+	case FBIOGATTR:
+	case FBIOSVIDEO:
+	case FBIOGVIDEO:
+	case FBIOVERTICAL:
+	case FBIOSCURSOR:
+	case FBIOGCURSOR:
+	case FBIOSCURPOS:
+	case FBIOGCURPOS:
+	case FBIOGCURMAX:
+	case FBIOMONINFO:
+	case FBIOGXINFO:
+
+	default:
+		error = ENODEV;
+		break;
+	}
+
+	splx(s);
+	return error;
+}
diff --git a/freebsd/sys/dev/fb/fbd.c b/freebsd/sys/dev/fb/fbd.c
new file mode 100644
index 00000000..60ce4bc3
--- /dev/null
+++ b/freebsd/sys/dev/fb/fbd.c
@@ -0,0 +1,372 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/* Generic framebuffer */
+/* TODO unlink from VT(9) */
+/* TODO done normal /dev/fb methods */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/conf.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/queue.h>
+#include <sys/fbio.h>
+
+#include <machine/bus.h>
+
+#include <dev/vt/vt.h>
+#include <dev/vt/hw/fb/vt_fb.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <rtems/bsd/local/fb_if.h>
+
+LIST_HEAD(fb_list_head_t, fb_list_entry) fb_list_head =
+    LIST_HEAD_INITIALIZER(fb_list_head);
+struct fb_list_entry {
+	struct fb_info	*fb_info;
+	struct cdev	*fb_si;
+	LIST_ENTRY(fb_list_entry) fb_list;
+};
+
+struct fbd_softc {
+	device_t	sc_dev;
+	struct fb_info	*sc_info;
+};
+
+static void fbd_evh_init(void *);
+/* SI_ORDER_SECOND, just after EVENTHANDLERs initialized. */
+SYSINIT(fbd_evh_init, SI_SUB_CONFIGURE, SI_ORDER_SECOND, fbd_evh_init, NULL);
+
+static d_open_t		fb_open;
+static d_close_t	fb_close;
+static d_read_t		fb_read;
+static d_write_t	fb_write;
+static d_ioctl_t	fb_ioctl;
+static d_mmap_t		fb_mmap;
+
+static struct cdevsw fb_cdevsw = {
+	.d_version =	D_VERSION,
+	.d_flags =	D_NEEDGIANT,
+	.d_open =	fb_open,
+	.d_close =	fb_close,
+	.d_read =	fb_read,
+	.d_write =	fb_write,
+	.d_ioctl =	fb_ioctl,
+	.d_mmap =	fb_mmap,
+	.d_name =	"fb",
+};
+
+static int framebuffer_dev_unit = 0;
+
+static int
+fb_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
+{
+
+	return (0);
+}
+
+static int
+fb_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
+{
+
+	return (0);
+}
+
+static int
+fb_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
+    struct thread *td)
+{
+	struct fb_info *info;
+	int error;
+
+	error = 0;
+	info = dev->si_drv1;
+
+	switch (cmd) {
+	case FBIOGTYPE:
+		bcopy(info, (struct fbtype *)data, sizeof(struct fbtype));
+		break;
+
+	case FBIO_GETWINORG:	/* get frame buffer window origin */
+		*(u_int *)data = 0;
+		break;
+
+	case FBIO_GETDISPSTART:	/* get display start address */
+		((video_display_start_t *)data)->x = 0;
+		((video_display_start_t *)data)->y = 0;
+		break;
+
+	case FBIO_GETLINEWIDTH:	/* get scan line width in bytes */
+		*(u_int *)data = info->fb_stride;
+		break;
+
+	case FBIO_BLANK:	/* blank display */
+		if (info->setblankmode != NULL)
+			error = info->setblankmode(info->fb_priv, *(int *)data);
+		break;
+
+	default:
+		error = ENOIOCTL;
+		break;
+	}
+	return (error);
+}
+
+static int
+fb_read(struct cdev *dev, struct uio *uio, int ioflag)
+{
+
+	return (0); /* XXX nothing to read, yet */
+}
+
+static int
+fb_write(struct cdev *dev, struct uio *uio, int ioflag)
+{
+
+	return (0); /* XXX nothing written */
+}
+
+static int
+fb_mmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot,
+    vm_memattr_t *memattr)
+{
+	struct fb_info *info;
+
+	info = dev->si_drv1;
+
+	if (info->fb_flags & FB_FLAG_NOMMAP)
+		return (ENODEV);
+
+	if (offset >= 0 && offset < info->fb_size) {
+		if (info->fb_pbase == 0)
+			*paddr = vtophys((uint8_t *)info->fb_vbase + offset);
+		else
+			*paddr = info->fb_pbase + offset;
+		if (info->fb_flags & FB_FLAG_MEMATTR)
+			*memattr = info->fb_memattr;
+		return (0);
+	}
+	return (EINVAL);
+}
+
+static int
+fb_init(struct fb_list_entry *entry, int unit)
+{
+	struct fb_info *info;
+
+	info = entry->fb_info;
+	entry->fb_si = make_dev(&fb_cdevsw, unit, UID_ROOT, GID_WHEEL,
+	    0600, "fb%d", unit);
+	entry->fb_si->si_drv1 = info;
+	info->fb_cdev = entry->fb_si;
+
+	return (0);
+}
+
+int
+fbd_list()
+{
+	struct fb_list_entry *entry;
+
+	if (LIST_EMPTY(&fb_list_head))
+		return (ENOENT);
+
+	LIST_FOREACH(entry, &fb_list_head, fb_list) {
+		printf("FB %s @%p\n", entry->fb_info->fb_name,
+		    (void *)entry->fb_info->fb_pbase);
+	}
+
+	return (0);
+}
+
+static struct fb_list_entry *
+fbd_find(struct fb_info* info)
+{
+	struct fb_list_entry *entry, *tmp;
+
+	LIST_FOREACH_SAFE(entry, &fb_list_head, fb_list, tmp) {
+		if (entry->fb_info == info) {
+			return (entry);
+		}
+	}
+
+	return (NULL);
+}
+
+int
+fbd_register(struct fb_info* info)
+{
+	struct fb_list_entry *entry;
+	int err, first;
+
+	first = 0;
+	if (LIST_EMPTY(&fb_list_head))
+		first++;
+
+	entry = fbd_find(info);
+	if (entry != NULL) {
+		/* XXX Update framebuffer params */
+		return (0);
+	}
+
+	entry = malloc(sizeof(struct fb_list_entry), M_DEVBUF, M_WAITOK|M_ZERO);
+	entry->fb_info = info;
+
+	LIST_INSERT_HEAD(&fb_list_head, entry, fb_list);
+
+	err = fb_init(entry, framebuffer_dev_unit++);
+	if (err)
+		return (err);
+	if (first) {
+		err = vt_fb_attach(info);
+		if (err)
+			return (err);
+	}
+
+	return (0);
+}
+
+int
+fbd_unregister(struct fb_info* info)
+{
+	struct fb_list_entry *entry, *tmp;
+
+	LIST_FOREACH_SAFE(entry, &fb_list_head, fb_list, tmp) {
+		if (entry->fb_info == info) {
+			LIST_REMOVE(entry, fb_list);
+			if (LIST_EMPTY(&fb_list_head))
+				vt_fb_detach(info);
+			free(entry, M_DEVBUF);
+			return (0);
+		}
+	}
+
+	return (ENOENT);
+}
+
+static void
+register_fb_wrap(void *arg, void *ptr)
+{
+
+	fbd_register((struct fb_info *)ptr);
+}
+
+static void
+unregister_fb_wrap(void *arg, void *ptr)
+{
+
+	fbd_unregister((struct fb_info *)ptr);
+}
+
+static void
+fbd_evh_init(void *ctx)
+{
+
+	EVENTHANDLER_REGISTER(register_framebuffer, register_fb_wrap, NULL,
+	    EVENTHANDLER_PRI_ANY);
+	EVENTHANDLER_REGISTER(unregister_framebuffer, unregister_fb_wrap, NULL,
+	    EVENTHANDLER_PRI_ANY);
+}
+
+/* Newbus methods. */
+static int
+fbd_probe(device_t dev)
+{
+
+	return (BUS_PROBE_NOWILDCARD);
+}
+
+static int
+fbd_attach(device_t dev)
+{
+	struct fbd_softc *sc;
+	int err;
+
+	sc = device_get_softc(dev);
+
+	sc->sc_dev = dev;
+	sc->sc_info = FB_GETINFO(device_get_parent(dev));
+	if (sc->sc_info == NULL)
+		return (ENXIO);
+	err = fbd_register(sc->sc_info);
+
+	return (err);
+}
+
+static int
+fbd_detach(device_t dev)
+{
+	struct fbd_softc *sc;
+	int err;
+
+	sc = device_get_softc(dev);
+
+	err = fbd_unregister(sc->sc_info);
+
+	return (err);
+}
+
+static device_method_t fbd_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		fbd_probe),
+	DEVMETHOD(device_attach,	fbd_attach),
+	DEVMETHOD(device_detach,	fbd_detach),
+
+	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
+
+	{ 0, 0 }
+};
+
+driver_t fbd_driver = {
+	"fbd",
+	fbd_methods,
+	sizeof(struct fbd_softc)
+};
+
+devclass_t	fbd_devclass;
+
+DRIVER_MODULE(fbd, fb, fbd_driver, fbd_devclass, 0, 0);
+DRIVER_MODULE(fbd, drmn, fbd_driver, fbd_devclass, 0, 0);
+DRIVER_MODULE(fbd, udl, fbd_driver, fbd_devclass, 0, 0);
+MODULE_VERSION(fbd, 1);
+
diff --git a/freebsd/sys/dev/fb/fbreg.h b/freebsd/sys/dev/fb/fbreg.h
new file mode 100644
index 00000000..d5bfd0da
--- /dev/null
+++ b/freebsd/sys/dev/fb/fbreg.h
@@ -0,0 +1,345 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 1999 Kazutaka YOKOTA <yokota at zodiac.mech.utsunomiya-u.ac.jp>
+ * 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 as
+ *    the first lines of this file unmodified.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_FB_FBREG_H_
+#define _DEV_FB_FBREG_H_
+
+#ifdef _KERNEL
+
+#define V_MAX_ADAPTERS		8		/* XXX */
+
+/* some macros */
+#if defined(__amd64__) || defined(__i386__)
+
+static __inline void
+copyw(uint16_t *src, uint16_t *dst, size_t size)
+{
+	size >>= 1;
+	while (size--)
+		*dst++ = *src++;
+}
+#define bcopy_io(s, d, c)	copyw((void*)(s), (void*)(d), (c))
+#define bcopy_toio(s, d, c)	copyw((void*)(s), (void*)(d), (c))
+#define bcopy_fromio(s, d, c)	copyw((void*)(s), (void*)(d), (c))
+#define bzero_io(d, c)		bzero((void *)(d), (c))
+#define fill_io(p, d, c)	fill((p), (void *)(d), (c))
+#define fillw_io(p, d, c)	fillw((p), (void *)(d), (c))
+#elif defined(__sparc64__)
+static __inline void
+fillw(int val, uint16_t *buf, size_t size)
+{
+	while (size--)
+		*buf++ = val;
+}
+#elif defined(__powerpc__)
+
+#define bcopy_io(s, d, c)	ofwfb_bcopy((void *)(s), (void *)(d), (c))
+#define bcopy_toio(s, d, c)	ofwfb_bcopy((void *)(s), (void *)(d), (c))
+#define bcopy_fromio(s, d, c)	ofwfb_bcopy((void *)(s), (void *)(d), (c))
+#define bzero_io(d, c)		ofwfb_bzero((void *)(d), (c))
+#define fillw(p, d, c)		ofwfb_fillw((p), (void *)(d), (c))
+#define fillw_io(p, d, c)	ofwfb_fillw((p), (void *)(d), (c))
+#define	readw(a)		ofwfb_readw((u_int16_t *)(a))
+#define	writew(a, v)		ofwfb_writew((u_int16_t *)(a), (v))
+void ofwfb_bcopy(const void *s, void *d, size_t c);
+void ofwfb_bzero(void *d, size_t c);
+void ofwfb_fillw(int pat, void *base, size_t cnt);
+u_int16_t ofwfb_readw(u_int16_t *addr);
+void ofwfb_writew(u_int16_t *addr, u_int16_t val);
+
+#elif defined(__mips__) || defined(__arm__)
+
+/*
+ * Use amd64/i386-like settings under the assumption that MIPS-based display
+ * drivers will have to add a level of indirection between a syscons-managed
+ * frame buffer and the actual video hardware.  We are forced to do this
+ * because syscons doesn't carry around required busspace handles and tags to
+ * use here.  This is only really a problem for true VGA devices hooked up to
+ * MIPS, as others will be performing a translation anyway.
+ */
+#define bcopy_io(s, d, c)	memcpy((void *)(d), (void *)(s), (c))
+#define bcopy_toio(s, d, c)	memcpy((void *)(d), (void *)(s), (c))
+#define bcopy_fromio(s, d, c)	memcpy((void *)(d), (void *)(s), (c))
+#define bzero_io(d, c)		memset((void *)(d), 0, (c))
+#define fill_io(p, d, c)	memset((void *)(d), (p), (c))
+static __inline void
+fillw(int val, uint16_t *buf, size_t size)
+{
+	while (size--)
+		*buf++ = val;
+}
+#define fillw_io(p, d, c)	fillw((p), (void *)(d), (c))
+
+#if defined(__arm__)
+#define	readw(a)		(*(uint16_t*)(a))
+#define	writew(a, v)		(*(uint16_t*)(a) = (v))
+#endif
+
+#else /* !__i386__ && !__amd64__ && !__sparc64__ && !__powerpc__ */
+#define bcopy_io(s, d, c)	memcpy_io((d), (s), (c))
+#define bcopy_toio(s, d, c)	memcpy_toio((d), (void *)(s), (c))
+#define bcopy_fromio(s, d, c)	memcpy_fromio((void *)(d), (s), (c))
+#define bzero_io(d, c)		memset_io((d), 0, (c))
+#define fill_io(p, d, c)	memset_io((d), (p), (c))
+#define fillw(p, d, c)		memsetw((d), (p), (c))
+#define fillw_io(p, d, c)	memsetw_io((d), (p), (c))
+#endif /* !__i386__ */
+
+/* video function table */
+typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
+typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
+typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
+typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
+typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
+typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width,
+			   u_char *data, int c, int count);
+typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width,
+			   u_char *data, int c, int count);
+typedef int vi_show_font_t(video_adapter_t *adp, int page);
+typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
+typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
+typedef int vi_set_border_t(video_adapter_t *adp, int border);
+typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
+typedef int vi_load_state_t(video_adapter_t *adp, void *p);
+typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
+typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
+typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
+typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
+				     int height, int celsize, int blink);
+typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
+/* defined in sys/fbio.h
+#define V_DISPLAY_ON		0
+#define V_DISPLAY_BLANK		1
+#define V_DISPLAY_STAND_BY	2
+#define V_DISPLAY_SUSPEND	3
+*/
+typedef int vi_mmap_t(video_adapter_t *adp, vm_ooffset_t offset,
+		      vm_paddr_t *paddr, int prot, vm_memattr_t *memattr);
+typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
+typedef int vi_clear_t(video_adapter_t *adp);
+typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
+			   int cx, int cy);
+typedef int vi_bitblt_t(video_adapter_t *adp, ...);
+typedef int vi_diag_t(video_adapter_t *adp, int level);
+typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
+typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
+typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
+		      int n);
+typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
+		       u_int32_t a, int size, int bpp, int bit_ltor,
+		       int byte_ltor);
+typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
+		      u_int8_t a);
+typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
+		       int len);
+typedef int vi_putm_t(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
+		      u_int32_t pixel_mask, int size, int width);
+
+typedef struct video_switch {
+    vi_probe_t		*probe;
+    vi_init_t		*init;
+    vi_get_info_t	*get_info;
+    vi_query_mode_t	*query_mode;
+    vi_set_mode_t	*set_mode;
+    vi_save_font_t	*save_font;
+    vi_load_font_t	*load_font;
+    vi_show_font_t	*show_font;
+    vi_save_palette_t	*save_palette;
+    vi_load_palette_t	*load_palette;
+    vi_set_border_t	*set_border;
+    vi_save_state_t	*save_state;
+    vi_load_state_t	*load_state;
+    vi_set_win_org_t	*set_win_org;
+    vi_read_hw_cursor_t	*read_hw_cursor;
+    vi_set_hw_cursor_t	*set_hw_cursor;
+    vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
+    vi_blank_display_t	*blank_display;
+    vi_mmap_t		*mmap;
+    vi_ioctl_t		*ioctl;
+    vi_clear_t		*clear;
+    vi_fill_rect_t	*fill_rect;
+    vi_bitblt_t		*bitblt;
+    int			(*reserved1)(void);
+    int			(*reserved2)(void);
+    vi_diag_t		*diag;
+    vi_save_cursor_palette_t	*save_cursor_palette;
+    vi_load_cursor_palette_t	*load_cursor_palette;
+    vi_copy_t		*copy;
+    vi_putp_t		*putp;
+    vi_putc_t		*putc;
+    vi_puts_t		*puts;
+    vi_putm_t		*putm;
+} video_switch_t;
+
+#define vidd_probe(unit, adpp, arg, flags)				\
+	(*vidsw[(adp)->va_index]->probe)((unit), (adpp), (arg), (flags))
+#define vidd_init(unit, adp, flags)					\
+	(*vidsw[(adp)->va_index]->init)((unit), (adp), (flags))
+#define vidd_get_info(adp, mode, info)					\
+	(*vidsw[(adp)->va_index]->get_info)((adp), (mode), (info))
+#define vidd_query_mode(adp, mode)					\
+	(*vidsw[(adp)->va_index]->query_mode)((adp), (mode))
+#define vidd_set_mode(adp, mode)					\
+	(*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
+#define vidd_save_font(adp, page, size, width, data, c, count)		\
+	(*vidsw[(adp)->va_index]->save_font)((adp), (page), (size),	\
+	    (width), (data), (c), (count))
+#define vidd_load_font(adp, page, size, width, data, c, count)		\
+	(*vidsw[(adp)->va_index]->load_font)((adp), (page), (size),	\
+	    (width), (data), (c), (count))
+#define vidd_show_font(adp, page)					\
+	(*vidsw[(adp)->va_index]->show_font)((adp), (page))
+#define vidd_save_palette(adp, pallete)					\
+	(*vidsw[(adp)->va_index]->save_palette)((adp), (pallete))
+#define vidd_load_palette(adp, pallete)					\
+	(*vidsw[(adp)->va_index]->load_palette)((adp), (pallete))
+#define vidd_set_border(adp, border)					\
+	(*vidsw[(adp)->va_index]->set_border)((adp), (border))
+#define vidd_save_state(adp, p, size)					\
+	(*vidsw[(adp)->va_index]->save_state)((adp), (p), (size))
+#define vidd_load_state(adp, p)						\
+	(*vidsw[(adp)->va_index]->load_state)((adp), (p))
+#define vidd_set_win_org(adp, offset)					\
+	(*vidsw[(adp)->va_index]->set_win_org)((adp), (offset))
+#define vidd_read_hw_cursor(adp, col, row)				\
+	(*vidsw[(adp)->va_index]->read_hw_cursor)((adp), (col), (row))
+#define vidd_set_hw_cursor(adp, col, row)				\
+	(*vidsw[(adp)->va_index]->set_hw_cursor)((adp), (col), (row))
+#define vidd_set_hw_cursor_shape(adp, base, height, celsize, blink)	\
+	(*vidsw[(adp)->va_index]->set_hw_cursor_shape)((adp), (base),	\
+	    (height), (celsize), (blink))
+#define vidd_blank_display(adp, mode)					\
+	(*vidsw[(adp)->va_index]->blank_display)((adp), (mode))
+#define vidd_mmap(adp, offset, paddr, prot, memattr)			\
+	(*vidsw[(adp)->va_index]->mmap)((adp), (offset), (paddr),	\
+	    (prot), (memattr))
+#define vidd_ioctl(adp, cmd, data)					\
+	(*vidsw[(adp)->va_index]->ioctl)((adp), (cmd), (data))
+#define vidd_clear(adp)							\
+	(*vidsw[(adp)->va_index]->clear)((adp))
+#define vidd_fill_rect(adp, val, x, y, cx, cy)				\
+	(*vidsw[(adp)->va_index]->fill_rect)((adp), (val), (x), (y),	\
+	    (cx), (cy))
+#define vidd_bitblt(adp, ...)						\
+	(*vidsw[(adp)->va_index]->bitblt)(adp, __VA_ARGS__)
+#define vidd_diag(adp, level)						\
+	(*vidsw[(adp)->va_index]->diag)((adp), (level))
+#define vidd_save_cursor_palette(adp, palette)				\
+	(*vidsw[(adp)->va_index]->save_cursor_palette)((adp), (palette))
+#define vidd_load_cursor_palette(adp, palette)				\
+	(*vidsw[(adp)->va_index]->load_cursor_palette)((adp), (palette))
+#define vidd_copy(adp, src, dst, n)					\
+	(*vidsw[(adp)->va_index]->copy)((adp), (src), (dst), (n))
+#define vidd_putp(adp, offset, p, a, size, bpp, bit_ltor1, byte_ltor2)	\
+	(*vidsw[(adp)->va_index]->putp)((adp), (offset), (p), (a), 	\
+	    (size), (bpp), (bit_ltor1), (bit_ltor2))
+#define vidd_putc(adp, offset, c, a)					\
+	(*vidsw[(adp)->va_index]->putc)((adp), (offset), (c), (a))
+#define vidd_puts(adp, offset, s, len)					\
+	(*vidsw[(adp)->va_index]->puts)((adp), (offset), (s), (len))
+#define vidd_putm(adp, x, y, pixel_image, pixel_mask, size, width)	\
+	(*vidsw[(adp)->va_index]->putm)((adp), (x), (y), (pixel_image),	\
+	    (pixel_mask), (size), (width))
+
+/* video driver */
+typedef struct video_driver {
+    char		*name;
+    video_switch_t	*vidsw;
+    int			(*configure)(int); /* backdoor for the console driver */
+} video_driver_t;
+
+#define VIDEO_DRIVER(name, sw, config)			\
+	static struct video_driver name##_driver = {	\
+		#name, &sw, config			\
+	};						\
+	DATA_SET(videodriver_set, name##_driver);
+
+/* global variables */
+extern struct video_switch **vidsw;
+
+/* functions for the video card driver */
+int		vid_register(video_adapter_t *adp);
+int		vid_unregister(video_adapter_t *adp);
+video_switch_t	*vid_get_switch(char *name);
+void		vid_init_struct(video_adapter_t *adp, char *name, int type,
+				int unit);
+
+/* functions for the video card client */
+int		vid_allocate(char *driver, int unit, void *id);
+int		vid_release(video_adapter_t *adp, void *id);
+int		vid_find_adapter(char *driver, int unit);
+video_adapter_t	*vid_get_adapter(int index);
+
+/* a backdoor for the console driver to tickle the video driver XXX */
+int		vid_configure(int flags);
+#define VIO_PROBE_ONLY	(1 << 0)	/* probe only, don't initialize */
+
+#ifdef FB_INSTALL_CDEV
+
+/* virtual frame buffer driver functions */
+int		fb_attach(int unit, video_adapter_t *adp,
+			  struct cdevsw *cdevsw);
+int		fb_detach(int unit, video_adapter_t *adp,
+			  struct cdevsw *cdevsw);
+
+/* generic frame buffer cdev driver functions */
+
+typedef struct genfb_softc {
+	int		gfb_flags;	/* flag/status bits */
+#define FB_OPEN		(1 << 0)
+} genfb_softc_t;
+
+int		genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
+			  int flag, int mode, struct thread *td);
+int		genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
+			   int flag, int mode, struct thread *td);
+int		genfbread(genfb_softc_t *sc, video_adapter_t *adp,
+			  struct uio *uio, int flag);
+int		genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
+			   struct uio *uio, int flag);
+int		genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
+			   u_long cmd, caddr_t arg, int flag, struct thread *td);
+int		genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
+			  vm_ooffset_t offset, vm_paddr_t *paddr,
+			  int prot, vm_memattr_t *memattr);
+
+#endif /* FB_INSTALL_CDEV */
+
+/* generic low-level driver functions */
+
+void		fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
+void		fb_dump_mode_info(char *driver, video_adapter_t *adp,
+				  video_info_t *info, int level);
+int		fb_type(int adp_type);
+int		fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
+
+#endif /* _KERNEL */
+
+#endif /* !_DEV_FB_FBREG_H_ */
diff --git a/freebsd/sys/dev/vt/colors/vt_termcolors.h b/freebsd/sys/dev/vt/colors/vt_termcolors.h
new file mode 100644
index 00000000..8a8c7b65
--- /dev/null
+++ b/freebsd/sys/dev/vt/colors/vt_termcolors.h
@@ -0,0 +1,63 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+enum vt_color_format {
+	COLOR_FORMAT_BW = 0,
+	COLOR_FORMAT_GRAY,
+	COLOR_FORMAT_VGA,		/* Color Index. */
+	COLOR_FORMAT_RGB,
+	COLOR_FORMAT_ARGB,
+        COLOR_FORMAT_CMYK,
+        COLOR_FORMAT_HSL,
+        COLOR_FORMAT_YUV,
+        COLOR_FORMAT_YCbCr,
+        COLOR_FORMAT_YPbPr,
+
+        COLOR_FORMAT_MAX = 15,
+};
+
+#define NCOLORS	16
+
+/*
+ * Between console's palette and VGA's one:
+ *   - blue and red are swapped (1 <-> 4)
+ *   - yellow and cyan are swapped (3 <-> 6)
+ */
+static const int cons_to_vga_colors[NCOLORS] = {
+	0,  4,  2,  6,  1,  5,  3,  7,
+	8, 12, 10, 14,  9, 13, 11, 15
+};
+
+/* Helper to fill color map used by driver */
+int vt_generate_cons_palette(uint32_t *palette, int format, uint32_t rmax,
+    int roffset, uint32_t gmax, int goffset, uint32_t bmax, int boffset);
diff --git a/freebsd/sys/dev/vt/hw/fb/vt_fb.h b/freebsd/sys/dev/vt/hw/fb/vt_fb.h
new file mode 100644
index 00000000..42b395e8
--- /dev/null
+++ b/freebsd/sys/dev/vt/hw/fb/vt_fb.h
@@ -0,0 +1,54 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_VT_HW_FB_VT_FB_H_
+#define	_DEV_VT_HW_FB_VT_FB_H_
+/* Generic framebuffer interface call vt_fb_attach to init VT(9) */
+int vt_fb_attach(struct fb_info *info);
+void vt_fb_resume(struct vt_device *vd);
+void vt_fb_suspend(struct vt_device *vd);
+int vt_fb_detach(struct fb_info *info);
+
+vd_init_t		vt_fb_init;
+vd_fini_t		vt_fb_fini;
+vd_blank_t		vt_fb_blank;
+vd_bitblt_text_t	vt_fb_bitblt_text;
+vd_invalidate_text_t	vt_fb_invalidate_text;
+vd_bitblt_bmp_t		vt_fb_bitblt_bitmap;
+vd_drawrect_t		vt_fb_drawrect;
+vd_setpixel_t		vt_fb_setpixel;
+vd_postswitch_t		vt_fb_postswitch;
+vd_fb_ioctl_t		vt_fb_ioctl;
+vd_fb_mmap_t		vt_fb_mmap;
+
+#endif /* _DEV_VT_HW_FB_VT_FB_H_ */
diff --git a/freebsd/sys/dev/vt/vt.h b/freebsd/sys/dev/vt/vt.h
new file mode 100644
index 00000000..34d4c228
--- /dev/null
+++ b/freebsd/sys/dev/vt/vt.h
@@ -0,0 +1,474 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2009, 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Ed Schouten under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * Portions of this software were developed by Oleksandr Rybalko
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_VT_VT_H_
+#define	_DEV_VT_VT_H_
+
+#include <sys/param.h>
+#include <sys/_lock.h>
+#include <sys/_mutex.h>
+#include <sys/callout.h>
+#include <sys/condvar.h>
+#include <sys/conf.h>
+#include <sys/consio.h>
+#include <sys/kbio.h>
+#include <sys/mouse.h>
+#include <sys/terminal.h>
+#include <sys/sysctl.h>
+
+#include <rtems/bsd/local/opt_syscons.h>
+#include <rtems/bsd/local/opt_splash.h>
+
+#ifndef	VT_MAXWINDOWS
+#ifdef	MAXCONS
+#define	VT_MAXWINDOWS	MAXCONS
+#else
+#define	VT_MAXWINDOWS	12
+#endif
+#endif
+
+#ifndef VT_ALT_TO_ESC_HACK
+#define	VT_ALT_TO_ESC_HACK	1
+#endif
+
+#define	VT_CONSWINDOW	0
+
+#if defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE)
+#define VT_MOUSE_PASTEBUTTON	MOUSE_BUTTON3DOWN	/* right button */
+#define VT_MOUSE_EXTENDBUTTON	MOUSE_BUTTON2DOWN	/* not really used */
+#else
+#define VT_MOUSE_PASTEBUTTON	MOUSE_BUTTON2DOWN	/* middle button */
+#define VT_MOUSE_EXTENDBUTTON	MOUSE_BUTTON3DOWN	/* right button */
+#endif /* defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE) */
+
+#define	SC_DRIVER_NAME	"vt"
+#ifdef VT_DEBUG
+#define	DPRINTF(_l, ...)	if (vt_debug > (_l)) printf( __VA_ARGS__ )
+#define VT_CONSOLECTL_DEBUG
+#define VT_SYSMOUSE_DEBUG
+#else
+#define	DPRINTF(_l, ...)	do {} while (0)
+#endif
+#define	ISSIGVALID(sig)	((sig) > 0 && (sig) < NSIG)
+
+#define	VT_SYSCTL_INT(_name, _default, _descr)				\
+int vt_##_name = (_default);						\
+SYSCTL_INT(_kern_vt, OID_AUTO, _name, CTLFLAG_RWTUN, &vt_##_name, 0, _descr)
+
+struct vt_driver;
+
+void vt_allocate(const struct vt_driver *, void *);
+void vt_deallocate(const struct vt_driver *, void *);
+
+typedef unsigned int	vt_axis_t;
+
+/*
+ * List of locks
+ * (d)	locked by vd_lock
+ * (b)	locked by vb_lock
+ * (G)	locked by Giant
+ * (u)	unlocked, locked by higher levels
+ * (c)	const until freeing
+ * (?)	yet to be determined
+ */
+
+/*
+ * Per-device datastructure.
+ */
+
+#ifndef SC_NO_CUTPASTE
+struct vt_mouse_cursor;
+#endif
+
+struct vt_pastebuf {
+	term_char_t		*vpb_buf;	/* Copy-paste buffer. */
+	unsigned int		 vpb_bufsz;	/* Buffer size. */
+	unsigned int		 vpb_len;	/* Length of a last selection. */
+};
+
+struct vt_device {
+	struct vt_window	*vd_windows[VT_MAXWINDOWS]; /* (c) Windows. */
+	struct vt_window	*vd_curwindow;	/* (d) Current window. */
+	struct vt_window	*vd_savedwindow;/* (?) Saved for suspend. */
+	struct vt_pastebuf	 vd_pastebuf;	/* (?) Copy/paste buf. */
+	const struct vt_driver	*vd_driver;	/* (c) Graphics driver. */
+	void			*vd_softc;	/* (u) Driver data. */
+	const struct vt_driver	*vd_prev_driver;/* (?) Previous driver. */
+	void			*vd_prev_softc;	/* (?) Previous driver data. */
+	device_t		 vd_video_dev;	/* (?) Video adapter. */
+#ifndef SC_NO_CUTPASTE
+	struct vt_mouse_cursor	*vd_mcursor;	/* (?) Cursor bitmap. */
+	term_color_t		 vd_mcursor_fg;	/* (?) Cursor fg color. */
+	term_color_t		 vd_mcursor_bg;	/* (?) Cursor bg color. */
+	vt_axis_t		 vd_mx_drawn;	/* (?) Mouse X and Y      */
+	vt_axis_t		 vd_my_drawn;	/*     as of last redraw. */
+	int			 vd_mshown;	/* (?) Mouse shown during */
+#endif						/*     last redrawn.      */
+	uint16_t		 vd_mx;		/* (?) Current mouse X. */
+	uint16_t		 vd_my;		/* (?) current mouse Y. */
+	uint32_t		 vd_mstate;	/* (?) Mouse state. */
+	vt_axis_t		 vd_width;	/* (?) Screen width. */
+	vt_axis_t		 vd_height;	/* (?) Screen height. */
+	size_t			 vd_transpose;	/* (?) Screen offset in FB */
+	struct mtx		 vd_lock;	/* Per-device lock. */
+	struct cv		 vd_winswitch;	/* (d) Window switch notify. */
+	struct callout		 vd_timer;	/* (d) Display timer. */
+	volatile unsigned int	 vd_timer_armed;/* (?) Display timer started.*/
+	int			 vd_flags;	/* (d) Device flags. */
+#define	VDF_TEXTMODE	0x01	/* Do text mode rendering. */
+#define	VDF_SPLASH	0x02	/* Splash screen active. */
+#define	VDF_ASYNC	0x04	/* vt_timer() running. */
+#define	VDF_INVALID	0x08	/* Entire screen should be re-rendered. */
+#define	VDF_DEAD	0x10	/* Early probing found nothing. */
+#define	VDF_INITIALIZED	0x20	/* vtterm_cnprobe already done. */
+#define	VDF_MOUSECURSOR	0x40	/* Mouse cursor visible. */
+#define	VDF_QUIET_BELL	0x80	/* Disable bell. */
+#define	VDF_SUSPENDED	0x100	/* Device has been suspended. */
+#define	VDF_DOWNGRADE	0x8000	/* The driver is being downgraded. */
+	int			 vd_keyboard;	/* (G) Keyboard index. */
+	unsigned int		 vd_kbstate;	/* (?) Device unit. */
+	unsigned int		 vd_unit;	/* (c) Device unit. */
+	int			 vd_altbrk;	/* (?) Alt break seq. state */
+	term_char_t		*vd_drawn;	/* (?) Most recent char drawn. */
+	term_color_t		*vd_drawnfg;	/* (?) Most recent fg color drawn. */
+	term_color_t		*vd_drawnbg;	/* (?) Most recent bg color drawn. */
+};
+
+#define	VD_PASTEBUF(vd)	((vd)->vd_pastebuf.vpb_buf)
+#define	VD_PASTEBUFSZ(vd)	((vd)->vd_pastebuf.vpb_bufsz)
+#define	VD_PASTEBUFLEN(vd)	((vd)->vd_pastebuf.vpb_len)
+
+#define	VT_LOCK(vd)	mtx_lock(&(vd)->vd_lock)
+#define	VT_UNLOCK(vd)	mtx_unlock(&(vd)->vd_lock)
+#define	VT_LOCK_ASSERT(vd, what)	mtx_assert(&(vd)->vd_lock, what)
+
+void vt_resume(struct vt_device *vd);
+void vt_resume_flush_timer(struct vt_window *vw, int ms);
+void vt_suspend(struct vt_device *vd);
+
+/*
+ * Per-window terminal screen buffer.
+ *
+ * Because redrawing is performed asynchronously, the buffer keeps track
+ * of a rectangle that needs to be redrawn (vb_dirtyrect).  Because this
+ * approach seemed to cause suboptimal performance (when the top left
+ * and the bottom right of the screen are modified), it also uses a set
+ * of bitmasks to keep track of the rows and columns (mod 64) that have
+ * been modified.
+ */
+
+struct vt_buf {
+	struct mtx		 vb_lock;	/* Buffer lock. */
+	term_pos_t		 vb_scr_size;	/* (b) Screen dimensions. */
+	int			 vb_flags;	/* (b) Flags. */
+#define	VBF_CURSOR	0x1	/* Cursor visible. */
+#define	VBF_STATIC	0x2	/* Buffer is statically allocated. */
+#define	VBF_MTX_INIT	0x4	/* Mutex initialized. */
+#define	VBF_SCROLL	0x8	/* scroll locked mode. */
+#define	VBF_HISTORY_FULL 0x10	/* All rows filled. */
+	unsigned int		 vb_history_size;
+	unsigned int		 vb_roffset;	/* (b) History rows offset. */
+	unsigned int		 vb_curroffset;	/* (b) Saved rows offset. */
+	term_pos_t		 vb_cursor;	/* (u) Cursor position. */
+	term_pos_t		 vb_mark_start;	/* (b) Copy region start. */
+	term_pos_t		 vb_mark_end;	/* (b) Copy region end. */
+	int			 vb_mark_last;	/* Last mouse event. */
+	term_rect_t		 vb_dirtyrect;	/* (b) Dirty rectangle. */
+	term_char_t		*vb_buffer;	/* (u) Data buffer. */
+	term_char_t		**vb_rows;	/* (u) Array of rows */
+};
+
+#ifdef SC_HISTORY_SIZE
+#define	VBF_DEFAULT_HISTORY_SIZE	SC_HISTORY_SIZE
+#else
+#define	VBF_DEFAULT_HISTORY_SIZE	500
+#endif
+
+void vtbuf_lock(struct vt_buf *);
+void vtbuf_unlock(struct vt_buf *);
+void vtbuf_copy(struct vt_buf *, const term_rect_t *, const term_pos_t *);
+void vtbuf_fill(struct vt_buf *, const term_rect_t *, term_char_t);
+void vtbuf_init_early(struct vt_buf *);
+void vtbuf_init(struct vt_buf *, const term_pos_t *);
+void vtbuf_grow(struct vt_buf *, const term_pos_t *, unsigned int);
+void vtbuf_putchar(struct vt_buf *, const term_pos_t *, term_char_t);
+void vtbuf_cursor_position(struct vt_buf *, const term_pos_t *);
+void vtbuf_scroll_mode(struct vt_buf *vb, int yes);
+void vtbuf_dirty(struct vt_buf *vb, const term_rect_t *area);
+void vtbuf_undirty(struct vt_buf *, term_rect_t *);
+void vtbuf_sethistory_size(struct vt_buf *, unsigned int);
+int vtbuf_iscursor(const struct vt_buf *vb, int row, int col);
+void vtbuf_cursor_visibility(struct vt_buf *, int);
+#ifndef SC_NO_CUTPASTE
+int vtbuf_set_mark(struct vt_buf *vb, int type, int col, int row);
+int vtbuf_get_marked_len(struct vt_buf *vb);
+void vtbuf_extract_marked(struct vt_buf *vb, term_char_t *buf, int sz);
+#endif
+
+#define	VTB_MARK_NONE		0
+#define	VTB_MARK_END		1
+#define	VTB_MARK_START		2
+#define	VTB_MARK_WORD		3
+#define	VTB_MARK_ROW		4
+#define	VTB_MARK_EXTEND		5
+#define	VTB_MARK_MOVE		6
+
+#define	VTBUF_SLCK_ENABLE(vb)	vtbuf_scroll_mode((vb), 1)
+#define	VTBUF_SLCK_DISABLE(vb)	vtbuf_scroll_mode((vb), 0)
+
+#define	VTBUF_MAX_HEIGHT(vb) \
+	((vb)->vb_history_size)
+#define	VTBUF_GET_ROW(vb, r) \
+	((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)])
+#define	VTBUF_GET_FIELD(vb, r, c) \
+	((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
+#define	VTBUF_FIELD(vb, r, c) \
+	((vb)->vb_rows[((vb)->vb_curroffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
+#define	VTBUF_ISCURSOR(vb, r, c) \
+	vtbuf_iscursor((vb), (r), (c))
+#define	VTBUF_DIRTYROW(mask, row) \
+	((mask)->vbm_row & ((uint64_t)1 << ((row) % 64)))
+#define	VTBUF_DIRTYCOL(mask, col) \
+	((mask)->vbm_col & ((uint64_t)1 << ((col) % 64)))
+#define	VTBUF_SPACE_CHAR(attr)	(' ' | (attr))
+
+#define	VHS_SET	0
+#define	VHS_CUR	1
+#define	VHS_END	2
+int vthistory_seek(struct vt_buf *, int offset, int whence);
+void vthistory_addlines(struct vt_buf *vb, int offset);
+void vthistory_getpos(const struct vt_buf *, unsigned int *offset);
+
+/*
+ * Per-window datastructure.
+ */
+
+struct vt_window {
+	struct vt_device	*vw_device;	/* (c) Device. */
+	struct terminal		*vw_terminal;	/* (c) Terminal. */
+	struct vt_buf		 vw_buf;	/* (u) Screen buffer. */
+	struct vt_font		*vw_font;	/* (d) Graphical font. */
+	term_rect_t		 vw_draw_area;	/* (?) Drawable area. */
+	unsigned int		 vw_number;	/* (c) Window number. */
+	int			 vw_kbdmode;	/* (?) Keyboard mode. */
+	int			 vw_prev_kbdmode;/* (?) Previous mode. */
+	int			 vw_kbdstate;	/* (?) Keyboard state. */
+	int			 vw_grabbed;	/* (?) Grab count. */
+	char			*vw_kbdsq;	/* Escape sequence queue*/
+	unsigned int		 vw_flags;	/* (d) Per-window flags. */
+	int			 vw_mouse_level;/* Mouse op mode. */
+#define	VWF_BUSY	0x1	/* Busy reconfiguring device. */
+#define	VWF_OPENED	0x2	/* TTY in use. */
+#define	VWF_SCROLL	0x4	/* Keys influence scrollback. */
+#define	VWF_CONSOLE	0x8	/* Kernel message console window. */
+#define	VWF_VTYLOCK	0x10	/* Prevent window switch. */
+#define	VWF_MOUSE_HIDE	0x20	/* Disable mouse events processing. */
+#define	VWF_READY	0x40	/* Window fully initialized. */
+#define	VWF_GRAPHICS	0x80	/* Window in graphics mode (KDSETMODE). */
+#define	VWF_SWWAIT_REL	0x10000	/* Program wait for VT acquire is done. */
+#define	VWF_SWWAIT_ACQ	0x20000	/* Program wait for VT release is done. */
+	pid_t			 vw_pid;	/* Terminal holding process */
+	struct proc		*vw_proc;
+	struct vt_mode		 vw_smode;	/* switch mode */
+	struct callout		 vw_proc_dead_timer;
+	struct vt_window	*vw_switch_to;
+};
+
+#define	VT_AUTO		0		/* switching is automatic */
+#define	VT_PROCESS	1		/* switching controlled by prog */
+#define	VT_KERNEL	255		/* switching controlled in kernel */
+
+#define	IS_VT_PROC_MODE(vw)	((vw)->vw_smode.mode == VT_PROCESS)
+
+/*
+ * Per-device driver routines.
+ */
+
+typedef int vd_init_t(struct vt_device *vd);
+typedef int vd_probe_t(struct vt_device *vd);
+typedef void vd_fini_t(struct vt_device *vd, void *softc);
+typedef void vd_postswitch_t(struct vt_device *vd);
+typedef void vd_blank_t(struct vt_device *vd, term_color_t color);
+typedef void vd_bitblt_text_t(struct vt_device *vd, const struct vt_window *vw,
+    const term_rect_t *area);
+typedef void vd_invalidate_text_t(struct vt_device *vd,
+    const term_rect_t *area);
+typedef void vd_bitblt_bmp_t(struct vt_device *vd, const struct vt_window *vw,
+    const uint8_t *pattern, const uint8_t *mask,
+    unsigned int width, unsigned int height,
+    unsigned int x, unsigned int y, term_color_t fg, term_color_t bg);
+typedef int vd_fb_ioctl_t(struct vt_device *, u_long, caddr_t, struct thread *);
+typedef int vd_fb_mmap_t(struct vt_device *, vm_ooffset_t, vm_paddr_t *, int,
+    vm_memattr_t *);
+typedef void vd_drawrect_t(struct vt_device *, int, int, int, int, int,
+    term_color_t);
+typedef void vd_setpixel_t(struct vt_device *, int, int, term_color_t);
+typedef void vd_suspend_t(struct vt_device *);
+typedef void vd_resume_t(struct vt_device *);
+
+struct vt_driver {
+	char		 vd_name[16];
+	/* Console attachment. */
+	vd_probe_t	*vd_probe;
+	vd_init_t	*vd_init;
+	vd_fini_t	*vd_fini;
+
+	/* Drawing. */
+	vd_blank_t	*vd_blank;
+	vd_drawrect_t	*vd_drawrect;
+	vd_setpixel_t	*vd_setpixel;
+	vd_bitblt_text_t *vd_bitblt_text;
+	vd_invalidate_text_t *vd_invalidate_text;
+	vd_bitblt_bmp_t	*vd_bitblt_bmp;
+
+	/* Framebuffer ioctls, if present. */
+	vd_fb_ioctl_t	*vd_fb_ioctl;
+
+	/* Framebuffer mmap, if present. */
+	vd_fb_mmap_t	*vd_fb_mmap;
+
+	/* Update display setting on vt switch. */
+	vd_postswitch_t	*vd_postswitch;
+
+	/* Suspend/resume handlers. */
+	vd_suspend_t	*vd_suspend;
+	vd_resume_t	*vd_resume;
+
+	/* Priority to know which one can override */
+	int		vd_priority;
+#define	VD_PRIORITY_DUMB	10
+#define	VD_PRIORITY_GENERIC	100
+#define	VD_PRIORITY_SPECIFIC	1000
+};
+
+/*
+ * Console device madness.
+ *
+ * Utility macro to make early vt(4) instances work.
+ */
+
+extern struct vt_device vt_consdev;
+extern struct terminal vt_consterm;
+extern const struct terminal_class vt_termclass;
+void vt_upgrade(struct vt_device *vd);
+
+#define	PIXEL_WIDTH(w)	((w) / 8)
+#define	PIXEL_HEIGHT(h)	((h) / 16)
+
+#ifndef VT_FB_MAX_WIDTH
+#define	VT_FB_MAX_WIDTH	4096
+#endif
+#ifndef VT_FB_MAX_HEIGHT
+#define	VT_FB_MAX_HEIGHT	2400
+#endif
+
+/* name argument is not used yet. */
+#define VT_DRIVER_DECLARE(name, drv) DATA_SET(vt_drv_set, drv)
+
+/*
+ * Fonts.
+ *
+ * Remapping tables are used to map Unicode points to glyphs.  They need
+ * to be sorted, because vtfont_lookup() performs a binary search.  Each
+ * font has two remapping tables, for normal and bold.  When a character
+ * is not present in bold, it uses a normal glyph.  When no glyph is
+ * available, it uses glyph 0, which is normally equal to U+FFFD.
+ */
+
+struct vt_font_map {
+	uint32_t		 vfm_src;
+	uint16_t		 vfm_dst;
+	uint16_t		 vfm_len;
+};
+
+struct vt_font {
+	struct vt_font_map	*vf_map[VFNT_MAPS];
+	uint8_t			*vf_bytes;
+	unsigned int		 vf_height, vf_width;
+	unsigned int		 vf_map_count[VFNT_MAPS];
+	unsigned int		 vf_refcount;
+};
+
+#ifndef SC_NO_CUTPASTE
+struct vt_mouse_cursor {
+	uint8_t map[64 * 64 / 8];
+	uint8_t mask[64 * 64 / 8];
+	uint8_t width;
+	uint8_t height;
+};
+#endif
+
+const uint8_t	*vtfont_lookup(const struct vt_font *vf, term_char_t c);
+struct vt_font	*vtfont_ref(struct vt_font *vf);
+void		 vtfont_unref(struct vt_font *vf);
+int		 vtfont_load(vfnt_t *f, struct vt_font **ret);
+
+/* Sysmouse. */
+void sysmouse_process_event(mouse_info_t *mi);
+#ifndef SC_NO_CUTPASTE
+void vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel);
+void vt_mouse_state(int show);
+#endif
+#define	VT_MOUSE_SHOW 1
+#define	VT_MOUSE_HIDE 0
+
+/* Utilities. */
+void	vt_compute_drawable_area(struct vt_window *);
+void	vt_determine_colors(term_char_t c, int cursor,
+	    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_ */
+
diff --git a/freebsd/sys/sys/consio.h b/freebsd/sys/sys/consio.h
new file mode 100644
index 00000000..5dfedc4b
--- /dev/null
+++ b/freebsd/sys/sys/consio.h
@@ -0,0 +1,468 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1991-1996 Søren Schmidt
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_SYS_CONSIO_H_
+#define	_SYS_CONSIO_H_
+
+#ifndef _KERNEL
+#include <sys/types.h>
+#endif
+#include <sys/ioccom.h>
+
+/*
+ * Console ioctl commands.  Some commands are named as KDXXXX, GIO_XXX, and
+ * PIO_XXX, rather than CONS_XXX, for historical and compatibility reasons.
+ * Some other CONS_XXX commands are works as wrapper around frame buffer 
+ * ioctl commands FBIO_XXX.  Do not try to change all these commands, 
+ * otherwise we shall have compatibility problems.
+ */
+
+/* get/set video mode */
+#define KD_TEXT		0		/* set text mode restore fonts  */
+#define KD_TEXT0	0		/* ditto			*/
+#define KD_GRAPHICS	1		/* set graphics mode 		*/
+#define KD_TEXT1	2		/* set text mode !restore fonts */
+#define KD_PIXEL	3		/* set pixel mode		*/
+#define KDGETMODE	_IOR('K', 9, int)
+#define KDSETMODE	_IOWINT('K', 10)
+
+/* set border color */
+#define KDSBORDER	_IOWINT('K', 13)
+
+/* set up raster(pixel) text mode */
+struct _scr_size {
+	int		scr_size[3];
+};
+typedef struct _scr_size	scr_size_t;
+
+#define KDRASTER	_IOW('K', 100, scr_size_t)
+
+/* get/set screen char map */
+struct _scrmap {
+	char		scrmap[256];
+};
+typedef struct _scrmap	scrmap_t;
+
+#define GIO_SCRNMAP	_IOR('k', 2, scrmap_t)
+#define PIO_SCRNMAP	_IOW('k', 3, scrmap_t)
+
+/* get the current text attribute */
+#define GIO_ATTR	_IOR('a', 0, int)
+
+/* get the current text color */
+#define GIO_COLOR	_IOR('c', 0, int)
+
+/* get the adapter type (equivalent to FBIO_ADPTYPE) */
+#define CONS_CURRENT	_IOR('c', 1, int)
+
+/* get the current video mode (equivalent to FBIO_GETMODE) */
+#define CONS_GET	_IOR('c', 2, int)
+
+/* not supported? */
+#define CONS_IO		_IO('c', 3)
+
+/* set blank time interval */
+#define CONS_BLANKTIME	_IOW('c', 4, int)
+
+/* set/get the screen saver (these ioctls are current noop) */
+struct ssaver	{
+#define MAXSSAVER	16
+	char		name[MAXSSAVER];
+	int		num;
+	long		time;
+};
+typedef struct ssaver	ssaver_t;
+
+#define CONS_SSAVER	_IOW('c', 5, ssaver_t)
+#define CONS_GSAVER	_IOWR('c', 6, ssaver_t)
+
+/*
+ * Set the text cursor type.
+ *
+ * This is an old interface extended to support the CONS_HIDDEN_CURSOR bit.
+ * New code should use CONS_CURSORSHAPE.  CONS_CURSOR_ATTRS gives the 3
+ * bits supported by the (extended) old interface.  The old interface is
+ * especially unusable for hiding the cursor (even with its extension)
+ * since it changes the cursor on all vtys.
+ */
+#define CONS_CURSORTYPE	_IOW('c', 7, int)
+
+/* set the bell type to audible or visual */
+#define CONS_VISUAL_BELL (1 << 0)
+#define CONS_QUIET_BELL	(1 << 1)
+#define CONS_BELLTYPE	_IOW('c', 8, int)
+
+/* set the history (scroll back) buffer size (in lines) */
+#define CONS_HISTORY	_IOW('c', 9, int)
+
+/* clear the history (scroll back) buffer */
+#define CONS_CLRHIST	_IO('c', 10)
+
+/* mouse cursor ioctl */
+struct mouse_data {
+	int		x;
+	int 		y;
+	int 		z;
+	int 		buttons;
+};
+typedef struct mouse_data mouse_data_t;
+
+struct mouse_mode {
+	int		mode;
+	int		signal;
+};
+typedef struct mouse_mode mouse_mode_t;
+
+struct mouse_event {
+	int		id;			/* one based */
+	int		value;
+};
+typedef struct mouse_event mouse_event_t;
+
+struct mouse_info {
+	int		operation;
+#define MOUSE_SHOW	0x01
+#define MOUSE_HIDE	0x02
+#define MOUSE_MOVEABS	0x03
+#define MOUSE_MOVEREL	0x04
+#define MOUSE_GETINFO	0x05
+#define MOUSE_MODE	0x06
+#define MOUSE_ACTION	0x07
+#define MOUSE_MOTION_EVENT	0x08
+#define MOUSE_BUTTON_EVENT	0x09
+#define MOUSE_MOUSECHAR	0x0a
+	union {
+		mouse_data_t	data;
+		mouse_mode_t	mode;
+		mouse_event_t	event;
+		int		mouse_char;
+	}		u;
+};
+typedef struct mouse_info mouse_info_t;
+
+#define CONS_MOUSECTL	_IOWR('c', 10, mouse_info_t)
+
+/* see if the vty has been idle */
+#define CONS_IDLE	_IOR('c', 11, int)
+
+/* set the screen saver mode */
+#define CONS_NO_SAVER	(-1)
+#define CONS_LKM_SAVER	0
+#define CONS_USR_SAVER	1
+#define CONS_SAVERMODE	_IOW('c', 12, int)
+
+/* start the screen saver */
+#define CONS_SAVERSTART	_IOW('c', 13, int)
+
+/* set the text cursor shape (see also CONS_CURSORTYPE above) */
+#define CONS_BLINK_CURSOR	(1 << 0)
+#define CONS_CHAR_CURSOR	(1 << 1)
+#define CONS_HIDDEN_CURSOR	(1 << 2)
+#define CONS_CURSOR_ATTRS	(CONS_BLINK_CURSOR | CONS_CHAR_CURSOR |	\
+				 CONS_HIDDEN_CURSOR)
+#define CONS_CHARCURSOR_COLORS	(1 << 26)
+#define CONS_MOUSECURSOR_COLORS	(1 << 27)
+#define CONS_DEFAULT_CURSOR	(1 << 28)
+#define CONS_SHAPEONLY_CURSOR	(1 << 29)
+#define CONS_RESET_CURSOR	(1 << 30)
+#define CONS_LOCAL_CURSOR	(1U << 31)
+struct cshape {
+	/* shape[0]: flags, shape[1]: base, shape[2]: height */
+	int		shape[3];
+};
+#define CONS_GETCURSORSHAPE _IOWR('c', 14, struct cshape)
+#define CONS_SETCURSORSHAPE _IOW('c', 15, struct cshape)
+
+/* set/get font data */
+struct fnt8 {
+	char		fnt8x8[8*256];
+};
+typedef struct fnt8	fnt8_t;
+
+struct fnt14 {
+	char		fnt8x14[14*256];
+};
+typedef struct fnt14	fnt14_t;
+
+struct fnt16 {
+	char		fnt8x16[16*256];
+};
+typedef struct fnt16	fnt16_t;
+
+struct vfnt_map {
+	uint32_t	src;
+	uint16_t	dst;
+	uint16_t	len;
+};
+typedef struct vfnt_map	vfnt_map_t;
+
+#define VFNT_MAP_NORMAL		0
+#define VFNT_MAP_NORMAL_RIGHT	1
+#define VFNT_MAP_BOLD		2
+#define VFNT_MAP_BOLD_RIGHT	3
+#define VFNT_MAPS		4
+struct vfnt {
+	vfnt_map_t	*map[VFNT_MAPS];
+	uint8_t		*glyphs;
+	unsigned int	map_count[VFNT_MAPS];
+	unsigned int	glyph_count;
+	unsigned int	width;
+	unsigned int	height;
+};
+typedef struct vfnt	vfnt_t;
+
+#define PIO_FONT8x8	_IOW('c', 64, fnt8_t)
+#define GIO_FONT8x8	_IOR('c', 65, fnt8_t)
+#define PIO_FONT8x14	_IOW('c', 66, fnt14_t)
+#define GIO_FONT8x14	_IOR('c', 67, fnt14_t)
+#define PIO_FONT8x16	_IOW('c', 68, fnt16_t)
+#define GIO_FONT8x16	_IOR('c', 69, fnt16_t)
+#define PIO_VFONT	_IOW('c', 70, vfnt_t)
+#define GIO_VFONT	_IOR('c', 71, vfnt_t)
+#define PIO_VFONT_DEFAULT _IO('c', 72)
+
+/* get video mode information */
+struct colors	{
+	char		fore;
+	char		back;
+};
+
+struct vid_info {
+	short		size;
+	short		m_num;
+	u_short		font_size;
+	u_short		mv_row, mv_col;
+	u_short		mv_rsz, mv_csz;
+	u_short		mv_hsz;
+	struct colors	mv_norm,
+			mv_rev,
+			mv_grfc;
+	u_char		mv_ovscan;
+	u_char		mk_keylock;
+};
+typedef struct vid_info vid_info_t;
+
+#define CONS_GETINFO    _IOWR('c', 73, vid_info_t)
+
+/* get version */
+#define CONS_GETVERS	_IOR('c', 74, int)
+
+/* get the video adapter index (equivalent to FBIO_ADAPTER) */
+#define CONS_CURRENTADP	_IOR('c', 100, int)
+
+/* get the video adapter information (equivalent to FBIO_ADPINFO) */
+#define CONS_ADPINFO	_IOWR('c', 101, video_adapter_info_t)
+
+/* get the video mode information (equivalent to FBIO_MODEINFO) */
+#define CONS_MODEINFO	_IOWR('c', 102, video_info_t)
+
+/* find a video mode (equivalent to FBIO_FINDMODE) */
+#define CONS_FINDMODE	_IOWR('c', 103, video_info_t)
+
+/* set the frame buffer window origin (equivalent to FBIO_SETWINORG) */
+#define CONS_SETWINORG	_IOWINT('c', 104)
+
+/* use the specified keyboard */
+#define CONS_SETKBD	_IOWINT('c', 110)
+
+/* release the current keyboard */
+#define CONS_RELKBD	_IO('c', 111)
+
+struct scrshot {
+	int		x;
+	int		y;
+	int		xsize;
+	int		ysize;
+	u_int16_t*	buf;
+};
+typedef struct scrshot scrshot_t;
+
+/* Snapshot the current video buffer */
+#define CONS_SCRSHOT	_IOWR('c', 105, scrshot_t)
+
+/* get/set the current terminal emulator info. */
+#define TI_NAME_LEN	32
+#define TI_DESC_LEN	64
+
+struct term_info {
+	int		ti_index;
+	int		ti_flags;
+	u_char		ti_name[TI_NAME_LEN];
+	u_char		ti_desc[TI_DESC_LEN];
+};
+typedef struct term_info term_info_t;
+
+#define CONS_GETTERM	_IOWR('c', 112, term_info_t)
+#define CONS_SETTERM	_IOW('c', 113, term_info_t)
+
+/*
+ * Vty switching ioctl commands.
+ */
+
+/* get the next available vty */
+#define VT_OPENQRY	_IOR('v', 1, int)
+
+/* set/get vty switching mode */
+#ifndef _VT_MODE_DECLARED
+#define	_VT_MODE_DECLARED
+struct vt_mode {
+	char		mode;
+#define VT_AUTO		0		/* switching is automatic 	*/
+#define VT_PROCESS	1		/* switching controlled by prog */
+#define VT_KERNEL	255		/* switching controlled in kernel */
+	char		waitv;		/* not implemented yet 	SOS	*/
+	short		relsig;
+	short		acqsig;
+	short		frsig;		/* not implemented yet	SOS	*/
+};
+typedef struct vt_mode vtmode_t;
+#endif /* !_VT_MODE_DECLARED */
+
+#define VT_SETMODE	_IOW('v', 2, vtmode_t)
+#define VT_GETMODE	_IOR('v', 3, vtmode_t)
+
+/* acknowledge release or acquisition of a vty */
+#define VT_FALSE	0
+#define VT_TRUE		1
+#define VT_ACKACQ	2
+#define VT_RELDISP	_IOWINT('v', 4)
+
+/* activate the specified vty */
+#define VT_ACTIVATE	_IOWINT('v', 5)
+
+/* wait until the specified vty is activate */
+#define VT_WAITACTIVE	_IOWINT('v', 6)
+
+/* get the currently active vty */
+#define VT_GETACTIVE	_IOR('v', 7, int)
+
+/* get the index of the vty */
+#define VT_GETINDEX	_IOR('v', 8, int)
+
+/* prevent switching vtys */
+#define VT_LOCKSWITCH	_IOW('v', 9, int)
+
+/*
+ * Video mode switching ioctl.  See sys/fbio.h for mode numbers.
+ */
+
+#define SW_B40x25 	_IO('S', M_B40x25)
+#define SW_C40x25  	_IO('S', M_C40x25)
+#define SW_B80x25  	_IO('S', M_B80x25)
+#define SW_C80x25  	_IO('S', M_C80x25)
+#define SW_BG320   	_IO('S', M_BG320)
+#define SW_CG320   	_IO('S', M_CG320)
+#define SW_BG640   	_IO('S', M_BG640)
+#define SW_EGAMONO80x25 _IO('S', M_EGAMONO80x25)
+#define SW_CG320_D    	_IO('S', M_CG320_D)
+#define SW_CG640_E    	_IO('S', M_CG640_E)
+#define SW_EGAMONOAPA 	_IO('S', M_EGAMONOAPA)
+#define SW_CG640x350  	_IO('S', M_CG640x350)
+#define SW_ENH_MONOAPA2 _IO('S', M_ENHMONOAPA2)
+#define SW_ENH_CG640  	_IO('S', M_ENH_CG640)
+#define SW_ENH_B40x25  	_IO('S', M_ENH_B40x25)
+#define SW_ENH_C40x25  	_IO('S', M_ENH_C40x25)
+#define SW_ENH_B80x25  	_IO('S', M_ENH_B80x25)
+#define SW_ENH_C80x25  	_IO('S', M_ENH_C80x25)
+#define SW_ENH_B80x43  	_IO('S', M_ENH_B80x43)
+#define SW_ENH_C80x43  	_IO('S', M_ENH_C80x43)
+#define SW_MCAMODE    	_IO('S', M_MCA_MODE)
+#define SW_VGA_C40x25	_IO('S', M_VGA_C40x25)
+#define SW_VGA_C80x25	_IO('S', M_VGA_C80x25)
+#define SW_VGA_C80x30	_IO('S', M_VGA_C80x30)
+#define SW_VGA_C80x50	_IO('S', M_VGA_C80x50)
+#define SW_VGA_C80x60	_IO('S', M_VGA_C80x60)
+#define SW_VGA_M80x25	_IO('S', M_VGA_M80x25)
+#define SW_VGA_M80x30	_IO('S', M_VGA_M80x30)
+#define SW_VGA_M80x50	_IO('S', M_VGA_M80x50)
+#define SW_VGA_M80x60	_IO('S', M_VGA_M80x60)
+#define SW_VGA11	_IO('S', M_VGA11)
+#define SW_BG640x480	_IO('S', M_VGA11)
+#define SW_VGA12	_IO('S', M_VGA12)
+#define SW_CG640x480	_IO('S', M_VGA12)
+#define SW_VGA13	_IO('S', M_VGA13)
+#define SW_VGA_CG320	_IO('S', M_VGA13)
+#define SW_VGA_CG640	_IO('S', M_VGA_CG640)
+#define SW_VGA_MODEX	_IO('S', M_VGA_MODEX)
+
+#define SW_VGA_C90x25	_IO('S', M_VGA_C90x25)
+#define SW_VGA_M90x25	_IO('S', M_VGA_M90x25)
+#define SW_VGA_C90x30	_IO('S', M_VGA_C90x30)
+#define SW_VGA_M90x30	_IO('S', M_VGA_M90x30)
+#define SW_VGA_C90x43	_IO('S', M_VGA_C90x43)
+#define SW_VGA_M90x43	_IO('S', M_VGA_M90x43)
+#define SW_VGA_C90x50	_IO('S', M_VGA_C90x50)
+#define SW_VGA_M90x50	_IO('S', M_VGA_M90x50)
+#define SW_VGA_C90x60	_IO('S', M_VGA_C90x60)
+#define SW_VGA_M90x60	_IO('S', M_VGA_M90x60)
+
+#define SW_TEXT_80x25	_IO('S', M_TEXT_80x25)
+#define SW_TEXT_80x30	_IO('S', M_TEXT_80x30)
+#define SW_TEXT_80x43	_IO('S', M_TEXT_80x43)
+#define SW_TEXT_80x50	_IO('S', M_TEXT_80x50)
+#define SW_TEXT_80x60	_IO('S', M_TEXT_80x60)
+#define SW_TEXT_132x25	_IO('S', M_TEXT_132x25)
+#define SW_TEXT_132x30	_IO('S', M_TEXT_132x30)
+#define SW_TEXT_132x43	_IO('S', M_TEXT_132x43)
+#define SW_TEXT_132x50	_IO('S', M_TEXT_132x50)
+#define SW_TEXT_132x60	_IO('S', M_TEXT_132x60)
+
+#define SW_VESA_CG640x400	_IO('V', M_VESA_CG640x400 - M_VESA_BASE)
+#define SW_VESA_CG640x480	_IO('V', M_VESA_CG640x480 - M_VESA_BASE)
+#define SW_VESA_800x600		_IO('V', M_VESA_800x600 - M_VESA_BASE)
+#define SW_VESA_CG800x600	_IO('V', M_VESA_CG800x600 - M_VESA_BASE)
+#define SW_VESA_1024x768	_IO('V', M_VESA_1024x768 - M_VESA_BASE)
+#define SW_VESA_CG1024x768	_IO('V', M_VESA_CG1024x768 - M_VESA_BASE)
+#define SW_VESA_1280x1024	_IO('V', M_VESA_1280x1024 - M_VESA_BASE)
+#define SW_VESA_CG1280x1024	_IO('V', M_VESA_CG1280x1024 - M_VESA_BASE)
+#define SW_VESA_C80x60		_IO('V', M_VESA_C80x60 - M_VESA_BASE)
+#define SW_VESA_C132x25		_IO('V', M_VESA_C132x25 - M_VESA_BASE)
+#define SW_VESA_C132x43		_IO('V', M_VESA_C132x43 - M_VESA_BASE)
+#define SW_VESA_C132x50		_IO('V', M_VESA_C132x50 - M_VESA_BASE)
+#define SW_VESA_C132x60		_IO('V', M_VESA_C132x60 - M_VESA_BASE)
+#define SW_VESA_32K_320		_IO('V', M_VESA_32K_320 - M_VESA_BASE)
+#define SW_VESA_64K_320		_IO('V', M_VESA_64K_320 - M_VESA_BASE)
+#define SW_VESA_FULL_320	_IO('V', M_VESA_FULL_320 - M_VESA_BASE)
+#define SW_VESA_32K_640		_IO('V', M_VESA_32K_640 - M_VESA_BASE)
+#define SW_VESA_64K_640		_IO('V', M_VESA_64K_640 - M_VESA_BASE)
+#define SW_VESA_FULL_640	_IO('V', M_VESA_FULL_640 - M_VESA_BASE)
+#define SW_VESA_32K_800		_IO('V', M_VESA_32K_800 - M_VESA_BASE)
+#define SW_VESA_64K_800		_IO('V', M_VESA_64K_800 - M_VESA_BASE)
+#define SW_VESA_FULL_800	_IO('V', M_VESA_FULL_800 - M_VESA_BASE)
+#define SW_VESA_32K_1024	_IO('V', M_VESA_32K_1024 - M_VESA_BASE)
+#define SW_VESA_64K_1024	_IO('V', M_VESA_64K_1024 - M_VESA_BASE)
+#define SW_VESA_FULL_1024	_IO('V', M_VESA_FULL_1024 - M_VESA_BASE)
+#define SW_VESA_32K_1280	_IO('V', M_VESA_32K_1280 - M_VESA_BASE)
+#define SW_VESA_64K_1280	_IO('V', M_VESA_64K_1280 - M_VESA_BASE)
+#define SW_VESA_FULL_1280	_IO('V', M_VESA_FULL_1280 - M_VESA_BASE)
+
+#endif /* !_SYS_CONSIO_H_ */
diff --git a/freebsd/sys/sys/fbio.h b/freebsd/sys/sys/fbio.h
new file mode 100644
index 00000000..4cc0cc6d
--- /dev/null
+++ b/freebsd/sys/sys/fbio.h
@@ -0,0 +1,622 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software developed by the Computer Systems
+ * Engineering group at Lawrence Berkeley Laboratory under DARPA
+ * contract BG 91-66 and contributed to Berkeley.
+ *
+ * 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.
+ * 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. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)fbio.h	8.2 (Berkeley) 10/30/93
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_FBIO_H_
+#define _SYS_FBIO_H_
+
+#ifndef _KERNEL
+#include <sys/types.h>
+#else
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/eventhandler.h>
+#endif
+#include <sys/ioccom.h>
+
+/*
+ * Frame buffer ioctls (from Sprite, trimmed to essentials for X11).
+ */
+
+/*
+ * Frame buffer type codes.
+ */
+#define	FBTYPE_SUN1BW		0	/* multibus mono */
+#define	FBTYPE_SUN1COLOR	1	/* multibus color */
+#define	FBTYPE_SUN2BW		2	/* memory mono */
+#define	FBTYPE_SUN2COLOR	3	/* color w/rasterop chips */
+#define	FBTYPE_SUN2GP		4	/* GP1/GP2 */
+#define	FBTYPE_SUN5COLOR	5	/* RoadRunner accelerator */
+#define	FBTYPE_SUN3COLOR	6	/* memory color */
+#define	FBTYPE_MEMCOLOR		7	/* memory 24-bit */
+#define	FBTYPE_SUN4COLOR	8	/* memory color w/overlay */
+
+#define	FBTYPE_NOTSUN1		9	/* reserved for customer */
+#define	FBTYPE_NOTSUN2		10	/* reserved for customer */
+#define	FBTYPE_PCIMISC		11	/* (generic) PCI misc. disp. */
+
+#define	FBTYPE_SUNFAST_COLOR	12	/* accelerated 8bit */
+#define	FBTYPE_SUNROP_COLOR	13	/* MEMCOLOR with rop h/w */
+#define	FBTYPE_SUNFB_VIDEO	14	/* Simple video mixing */
+#define	FBTYPE_RESERVED5	15	/* reserved, do not use */
+#define	FBTYPE_RESERVED4	16	/* reserved, do not use */
+#define	FBTYPE_SUNGP3		17
+#define	FBTYPE_SUNGT		18
+#define	FBTYPE_SUNLEO		19	/* zx Leo */
+
+#define	FBTYPE_MDA		20
+#define	FBTYPE_HERCULES		21
+#define	FBTYPE_CGA		22
+#define	FBTYPE_EGA		23
+#define	FBTYPE_VGA		24
+#define	FBTYPE_TGA		26
+#define	FBTYPE_TGA2		27
+
+#define	FBTYPE_MDICOLOR		28	/* cg14 */
+#define	FBTYPE_TCXCOLOR		29	/* SUNW,tcx */
+#define	FBTYPE_CREATOR		30
+
+#define	FBTYPE_LASTPLUSONE	31	/* max number of fbs (change as add) */
+
+/*
+ * Frame buffer descriptor as returned by FBIOGTYPE.
+ */
+struct fbtype {
+	int	fb_type;	/* as defined above */
+	int	fb_height;	/* in pixels */
+	int	fb_width;	/* in pixels */
+	int	fb_depth;	/* bits per pixel */
+	int	fb_cmsize;	/* size of color map (entries) */
+	int	fb_size;	/* total size in bytes */
+};
+#define	FBIOGTYPE	_IOR('F', 0, struct fbtype)
+
+#define	FBTYPE_GET_STRIDE(_fb)	((_fb)->fb_size / (_fb)->fb_height)
+#define	FBTYPE_GET_BPP(_fb)	((_fb)->fb_bpp)
+#define	FBTYPE_GET_BYTESPP(_fb)	((_fb)->fb_bpp / 8)
+
+#ifdef	_KERNEL
+
+struct fb_info;
+
+typedef int fb_enter_t(void *priv);
+typedef int fb_leave_t(void *priv);
+typedef int fb_setblankmode_t(void *priv, int mode);
+
+struct fb_info {
+	/* Raw copy of fbtype. Do not change. */
+	int		fb_type;	/* as defined above */
+	int		fb_height;	/* in pixels */
+	int		fb_width;	/* in pixels */
+	int		fb_depth;	/* bits to define color */
+	int		fb_cmsize;	/* size of color map (entries) */
+	int		fb_size;	/* total size in bytes */
+
+	struct cdev 	*fb_cdev;
+
+	device_t	 fb_fbd_dev;	/* "fbd" device. */
+	device_t	 fb_video_dev;	/* Video adapter. */
+
+	fb_enter_t	*enter;
+	fb_leave_t	*leave;
+	fb_setblankmode_t *setblankmode;
+
+	uintptr_t	fb_pbase;	/* For FB mmap. */
+	uintptr_t	fb_vbase;	/* if NULL, use fb_write/fb_read. */
+	void		*fb_priv;	/* First argument for read/write. */
+	const char	*fb_name;
+	uint32_t	fb_flags;
+#define	FB_FLAG_NOMMAP		1	/* mmap unsupported. */
+#define	FB_FLAG_NOWRITE		2	/* disable writes for the time being */
+#define	FB_FLAG_MEMATTR		4	/* override memattr for mmap */
+	vm_memattr_t	fb_memattr;
+	int		fb_stride;
+	int		fb_bpp;		/* bits per pixel */
+	uint32_t	fb_cmap[16];
+};
+
+int fbd_list(void);
+int fbd_register(struct fb_info *);
+int fbd_unregister(struct fb_info *);
+
+static inline int
+register_framebuffer(struct fb_info *info)
+{
+
+	EVENTHANDLER_INVOKE(register_framebuffer, info);
+	return (0);
+}
+
+static inline int
+unregister_framebuffer(struct fb_info *info)
+{
+
+	EVENTHANDLER_INVOKE(unregister_framebuffer, info);
+	return (0);
+}
+#endif
+
+#ifdef notdef
+/*
+ * General purpose structure for passing info in and out of frame buffers
+ * (used for gp1) -- unsupported.
+ */
+struct fbinfo {
+	int	fb_physaddr;	/* physical frame buffer address */
+	int	fb_hwwidth;	/* fb board width */
+	int	fb_hwheight;	/* fb board height */
+	int	fb_addrdelta;	/* phys addr diff between boards */
+	u_char	*fb_ropaddr;	/* fb virtual addr */
+	int	fb_unit;	/* minor devnum of fb */
+};
+#define	FBIOGINFO	_IOR('F', 2, struct fbinfo)
+#endif
+
+/*
+ * Color map I/O.
+ */
+struct fbcmap {
+	int	index;		/* first element (0 origin) */
+	int	count;		/* number of elements */
+	u_char	*red;		/* red color map elements */
+	u_char	*green;		/* green color map elements */
+	u_char	*blue;		/* blue color map elements */
+};
+#define	FBIOPUTCMAP	_IOW('F', 3, struct fbcmap)
+#define	FBIOGETCMAP	_IOW('F', 4, struct fbcmap)
+
+/*
+ * Set/get attributes.
+ */
+#define	FB_ATTR_NDEVSPECIFIC	8	/* no. of device specific values */
+#define	FB_ATTR_NEMUTYPES	4	/* no. of emulation types */
+
+struct fbsattr {
+	int	flags;			/* flags; see below */
+	int	emu_type;		/* emulation type (-1 if unused) */
+	int	dev_specific[FB_ATTR_NDEVSPECIFIC];	/* catchall */
+};
+#define	FB_ATTR_AUTOINIT	1	/* emulation auto init flag */
+#define	FB_ATTR_DEVSPECIFIC	2	/* dev. specific stuff valid flag */
+
+struct fbgattr {
+	int	real_type;		/* real device type */
+	int	owner;			/* PID of owner, 0 if myself */
+	struct	fbtype fbtype;		/* fbtype info for real device */
+	struct	fbsattr sattr;		/* see above */
+	int	emu_types[FB_ATTR_NEMUTYPES];	/* possible emulations */
+						/* (-1 if unused) */
+};
+#define	FBIOSATTR	_IOW('F', 5, struct fbsattr)
+#define	FBIOGATTR	_IOR('F', 6, struct fbgattr)
+
+/*
+ * Video control.
+ */
+#define	FBVIDEO_OFF		0
+#define	FBVIDEO_ON		1
+
+#define	FBIOSVIDEO	_IOW('F', 7, int)
+#define	FBIOGVIDEO	_IOR('F', 8, int)
+
+/* vertical retrace */
+#define	FBIOVERTICAL	_IO('F', 9)
+
+/*
+ * Hardware cursor control (for, e.g., CG6).  A rather complex and icky
+ * interface that smells like VMS, but there it is....
+ */
+struct fbcurpos {
+	short	x;
+	short	y;
+};
+
+struct fbcursor {
+	short	set;		/* flags; see below */
+	short	enable;		/* nonzero => cursor on, 0 => cursor off */
+	struct	fbcurpos pos;	/* position on display */
+	struct	fbcurpos hot;	/* hot-spot within cursor */
+	struct	fbcmap cmap;	/* cursor color map */
+	struct	fbcurpos size;	/* number of valid bits in image & mask */
+	caddr_t	image;		/* cursor image bits */
+	caddr_t	mask;		/* cursor mask bits */
+};
+#define	FB_CUR_SETCUR	0x01	/* set on/off (i.e., obey fbcursor.enable) */
+#define	FB_CUR_SETPOS	0x02	/* set position */
+#define	FB_CUR_SETHOT	0x04	/* set hot-spot */
+#define	FB_CUR_SETCMAP	0x08	/* set cursor color map */
+#define	FB_CUR_SETSHAPE	0x10	/* set size & bits */
+#define	FB_CUR_SETALL	(FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT | \
+			 FB_CUR_SETCMAP | FB_CUR_SETSHAPE)
+
+/* controls for cursor attributes & shape (including position) */
+#define	FBIOSCURSOR	_IOW('F', 24, struct fbcursor)
+#define	FBIOGCURSOR	_IOWR('F', 25, struct fbcursor)
+
+/* controls for cursor position only */
+#define	FBIOSCURPOS	_IOW('F', 26, struct fbcurpos)
+#define	FBIOGCURPOS	_IOW('F', 27, struct fbcurpos)
+
+/* get maximum cursor size */
+#define	FBIOGCURMAX	_IOR('F', 28, struct fbcurpos)
+
+/*
+ * Video board information
+ */
+struct brd_info {
+	u_short		accessible_width; /* accessible bytes in scanline */
+	u_short		accessible_height; /* number of accessible scanlines */
+	u_short		line_bytes;	/* number of bytes/scanline */
+	u_short		hdb_capable;	/* can this thing hardware db? */
+	u_short		vmsize;		/* video memory size */
+	u_char		boardrev;	/* board revision # */
+	u_char		pad0;
+	u_long		pad1;
+};
+#define	FBIOGXINFO	_IOR('F', 39, struct brd_info)
+
+/*
+ * Monitor information
+ */
+struct mon_info {
+	u_long		mon_type;	/* bit array */
+#define MON_TYPE_STEREO		0x8	/* stereo display */
+#define MON_TYPE_0_OFFSET	0x4	/* black level 0 ire instead of 7.5 */
+#define MON_TYPE_OVERSCAN	0x2	/* overscan */
+#define MON_TYPE_GRAY		0x1	/* greyscale monitor */
+	u_long		pixfreq;	/* pixel frequency in Hz */
+	u_long		hfreq;		/* horizontal freq in Hz */
+	u_long		vfreq;		/* vertical freq in Hz */
+	u_long		vsync;		/* vertical sync in scanlines */
+	u_long		hsync;		/* horizontal sync in pixels */
+	/* these are in pixel units */
+	u_short		hfporch;	/* horizontal front porch */
+	u_short		hbporch;	/* horizontal back porch */
+	u_short		vfporch;	/* vertical front porch */
+	u_short		vbporch;	/* vertical back porch */
+};
+#define	FBIOMONINFO	_IOR('F', 40, struct mon_info)
+
+/*
+ * Color map I/O.
+ */
+struct fbcmap_i {
+	unsigned int	flags;
+#define	FB_CMAP_BLOCK	(1 << 0)	/* wait for vertical refresh */
+#define	FB_CMAP_KERNEL	(1 << 1)	/* called within kernel */
+	int		id;		/* color map id */
+	int		index;		/* first element (0 origin) */
+	int		count;		/* number of elements */
+	u_char		*red;		/* red color map elements */
+	u_char		*green;		/* green color map elements */
+	u_char		*blue;		/* blue color map elements */
+};
+#define	FBIOPUTCMAPI	_IOW('F', 41, struct fbcmap_i)
+#define	FBIOGETCMAPI	_IOW('F', 42, struct fbcmap_i)
+
+/* The new style frame buffer ioctls. */
+
+/* video mode information block */
+struct video_info {
+    int			vi_mode;	/* mode number, see below */
+    int			vi_flags;
+#define V_INFO_COLOR	(1 << 0)
+#define V_INFO_GRAPHICS	(1 << 1)
+#define V_INFO_LINEAR	(1 << 2)
+#define V_INFO_VESA	(1 << 3)
+#define	V_INFO_NONVGA	(1 << 4)
+#define	V_INFO_CWIDTH9	(1 << 5)
+    int			vi_width;
+    int			vi_height;
+    int			vi_cwidth;
+    int			vi_cheight;
+    int			vi_depth;
+    int			vi_planes;
+    vm_offset_t		vi_window;	/* physical address */
+    size_t		vi_window_size;
+    size_t		vi_window_gran;
+    vm_offset_t		vi_buffer;	/* physical address */
+    size_t		vi_buffer_size;
+    int			vi_mem_model;
+#define V_INFO_MM_OTHER  (-1)
+#define V_INFO_MM_TEXT	 0
+#define V_INFO_MM_PLANAR 1
+#define V_INFO_MM_PACKED 2
+#define V_INFO_MM_DIRECT 3
+#define V_INFO_MM_CGA	 100
+#define V_INFO_MM_HGC	 101
+#define V_INFO_MM_VGAX	 102
+    /* for MM_PACKED and MM_DIRECT only */
+    int			vi_pixel_size;	/* in bytes */
+    /* for MM_DIRECT only */
+    int			vi_pixel_fields[4];	/* RGB and reserved fields */
+    int			vi_pixel_fsizes[4];
+    /* reserved */
+    u_char		vi_reserved[64];
+    vm_offset_t		vi_registers;	/* physical address */
+    vm_offset_t		vi_registers_size;
+};
+typedef struct video_info video_info_t;
+
+/* adapter infromation block */
+struct video_adapter {
+    int			va_index;
+    int			va_type;
+#define KD_OTHER	0		/* unknown */
+#define KD_MONO		1		/* monochrome adapter */
+#define KD_HERCULES	2		/* hercules adapter */
+#define KD_CGA		3		/* color graphics adapter */
+#define KD_EGA		4		/* enhanced graphics adapter */
+#define KD_VGA		5		/* video graphics adapter */
+#define KD_TGA		7		/* TGA */
+#define KD_TGA2		8		/* TGA2 */
+    char		*va_name;
+    int			va_unit;
+    int			va_minor;
+    int			va_flags;
+#define V_ADP_COLOR	(1 << 0)
+#define V_ADP_MODECHANGE (1 << 1)
+#define V_ADP_STATESAVE	(1 << 2)
+#define V_ADP_STATELOAD	(1 << 3)
+#define V_ADP_FONT	(1 << 4)
+#define V_ADP_PALETTE	(1 << 5)
+#define V_ADP_BORDER	(1 << 6)
+#define V_ADP_VESA	(1 << 7)
+#define V_ADP_BOOTDISPLAY (1 << 8)
+#define V_ADP_PROBED	(1 << 16)
+#define V_ADP_INITIALIZED (1 << 17)
+#define V_ADP_REGISTERED (1 << 18)
+#define V_ADP_ATTACHED	(1 << 19)
+#define	V_ADP_DAC8	(1 << 20)
+#define	V_ADP_CWIDTH9	(1 << 21)
+    vm_offset_t		va_io_base;
+    int			va_io_size;
+    vm_offset_t		va_crtc_addr;
+    vm_offset_t		va_mem_base;
+    int			va_mem_size;
+    vm_offset_t		va_window;	/* virtual address */
+    size_t		va_window_size;
+    size_t		va_window_gran;
+    u_int		va_window_orig;
+    vm_offset_t		va_buffer;	/* virtual address */
+    size_t		va_buffer_size;
+    int			va_initial_mode;
+    int			va_initial_bios_mode;
+    int			va_mode;
+    struct video_info	va_info;
+    int			va_line_width;
+    struct {
+	int		x;
+	int		y;
+    } 			va_disp_start;
+    void		*va_token;
+    int			va_model;
+    int			va_little_bitian;
+    int			va_little_endian;
+    int			va_buffer_alias;
+    vm_offset_t		va_registers;	/* virtual address */
+    vm_offset_t		va_registers_size;
+};
+typedef struct video_adapter video_adapter_t;
+
+struct video_adapter_info {
+    int			va_index;
+    int			va_type;
+    char		va_name[16];
+    int			va_unit;
+    int			va_flags;
+    vm_offset_t		va_io_base;
+    int			va_io_size;
+    vm_offset_t		va_crtc_addr;
+    vm_offset_t		va_mem_base;
+    int			va_mem_size;
+    vm_offset_t		va_window;	/* virtual address */
+    size_t		va_window_size;
+    size_t		va_window_gran;
+    vm_offset_t		va_unused0;
+    size_t		va_buffer_size;
+    int			va_initial_mode;
+    int			va_initial_bios_mode;
+    int			va_mode;
+    int			va_line_width;
+    struct {
+	int		x;
+	int		y;
+    } 			va_disp_start;
+    u_int		va_window_orig;
+    /* reserved */
+    u_char		va_reserved[64];
+};
+typedef struct video_adapter_info video_adapter_info_t;
+
+/* some useful video adapter index */
+#define V_ADP_PRIMARY	0
+#define V_ADP_SECONDARY	1
+
+/* video mode numbers */
+
+#define M_B40x25	0	/* black & white 40 columns */
+#define M_C40x25	1	/* color 40 columns */
+#define M_B80x25	2	/* black & white 80 columns */
+#define M_C80x25	3	/* color 80 columns */
+#define M_BG320		4	/* black & white graphics 320x200 */
+#define M_CG320		5	/* color graphics 320x200 */
+#define M_BG640		6	/* black & white graphics 640x200 hi-res */
+#define M_EGAMONO80x25  7       /* ega-mono 80x25 */
+#define M_CG320_D	13	/* ega mode D */
+#define M_CG640_E	14	/* ega mode E */
+#define M_EGAMONOAPA	15	/* ega mode F */
+#define M_CG640x350	16	/* ega mode 10 */
+#define M_ENHMONOAPA2	17	/* ega mode F with extended memory */
+#define M_ENH_CG640	18	/* ega mode 10* */
+#define M_ENH_B40x25    19      /* ega enhanced black & white 40 columns */
+#define M_ENH_C40x25    20      /* ega enhanced color 40 columns */
+#define M_ENH_B80x25    21      /* ega enhanced black & white 80 columns */
+#define M_ENH_C80x25    22      /* ega enhanced color 80 columns */
+#define M_VGA_C40x25	23	/* vga 8x16 font on color */
+#define M_VGA_C80x25	24	/* vga 8x16 font on color */
+#define M_VGA_M80x25	25	/* vga 8x16 font on mono */
+
+#define M_VGA11		26	/* vga 640x480 2 colors */
+#define M_BG640x480	26
+#define M_VGA12		27	/* vga 640x480 16 colors */
+#define M_CG640x480	27
+#define M_VGA13		28	/* vga 320x200 256 colors */
+#define M_VGA_CG320	28
+
+#define M_VGA_C80x50	30	/* vga 8x8 font on color */
+#define M_VGA_M80x50	31	/* vga 8x8 font on color */
+#define M_VGA_C80x30	32	/* vga 8x16 font on color */
+#define M_VGA_M80x30	33	/* vga 8x16 font on color */
+#define M_VGA_C80x60	34	/* vga 8x8 font on color */
+#define M_VGA_M80x60	35	/* vga 8x8 font on color */
+#define M_VGA_CG640	36	/* vga 640x400 256 color */
+#define M_VGA_MODEX	37	/* vga 320x240 256 color */
+
+#define M_VGA_C90x25	40	/* vga 8x16 font on color */
+#define M_VGA_M90x25	41	/* vga 8x16 font on mono */
+#define M_VGA_C90x30	42	/* vga 8x16 font on color */
+#define M_VGA_M90x30	43	/* vga 8x16 font on mono */
+#define M_VGA_C90x43	44	/* vga 8x8 font on color */
+#define M_VGA_M90x43	45	/* vga 8x8 font on mono */
+#define M_VGA_C90x50	46	/* vga 8x8 font on color */
+#define M_VGA_M90x50	47	/* vga 8x8 font on mono */
+#define M_VGA_C90x60	48	/* vga 8x8 font on color */
+#define M_VGA_M90x60	49	/* vga 8x8 font on mono */
+
+#define M_ENH_B80x43	0x70	/* ega black & white 80x43 */
+#define M_ENH_C80x43	0x71	/* ega color 80x43 */
+
+#define M_HGC_P0	0xe0	/* hercules graphics - page 0 @ B0000 */
+#define M_HGC_P1	0xe1	/* hercules graphics - page 1 @ B8000 */
+#define M_MCA_MODE	0xff	/* monochrome adapter mode */
+
+#define M_TEXT_80x25	200	/* generic text modes */
+#define M_TEXT_80x30	201
+#define M_TEXT_80x43	202
+#define M_TEXT_80x50	203
+#define M_TEXT_80x60	204
+#define M_TEXT_132x25	205
+#define M_TEXT_132x30	206
+#define M_TEXT_132x43	207
+#define M_TEXT_132x50	208
+#define M_TEXT_132x60	209
+
+#define M_VESA_BASE		0x100	/* VESA mode number base */
+#define M_VESA_CG640x400	0x100	/* 640x400, 256 color */
+#define M_VESA_CG640x480	0x101	/* 640x480, 256 color */
+#define M_VESA_800x600		0x102	/* 800x600, 16 color */
+#define M_VESA_CG800x600	0x103	/* 800x600, 256 color */
+#define M_VESA_1024x768		0x104	/* 1024x768, 16 color */
+#define M_VESA_CG1024x768	0x105	/* 1024x768, 256 color */
+#define M_VESA_1280x1024	0x106	/* 1280x1024, 16 color */
+#define M_VESA_CG1280x1024	0x107	/* 1280x1024, 256 color */
+#define M_VESA_C80x60		0x108	/* 8x8 font */
+#define M_VESA_C132x25		0x109	/* 8x16 font */
+#define M_VESA_C132x43		0x10a	/* 8x14 font */
+#define M_VESA_C132x50		0x10b	/* 8x8 font */
+#define M_VESA_C132x60		0x10c	/* 8x8 font */
+#define M_VESA_32K_320		0x10d	/* 320x200, 5:5:5 */
+#define M_VESA_64K_320		0x10e	/* 320x200, 5:6:5 */
+#define M_VESA_FULL_320		0x10f	/* 320x200, 8:8:8 */
+#define M_VESA_32K_640		0x110	/* 640x480, 5:5:5 */
+#define M_VESA_64K_640		0x111	/* 640x480, 5:6:5 */
+#define M_VESA_FULL_640		0x112	/* 640x480, 8:8:8 */
+#define M_VESA_32K_800		0x113	/* 800x600, 5:5:5 */
+#define M_VESA_64K_800		0x114	/* 800x600, 5:6:5 */
+#define M_VESA_FULL_800		0x115	/* 800x600, 8:8:8 */
+#define M_VESA_32K_1024		0x116	/* 1024x768, 5:5:5 */
+#define M_VESA_64K_1024		0x117	/* 1024x768, 5:6:5 */
+#define M_VESA_FULL_1024	0x118	/* 1024x768, 8:8:8 */
+#define M_VESA_32K_1280		0x119	/* 1280x1024, 5:5:5 */
+#define M_VESA_64K_1280		0x11a	/* 1280x1024, 5:6:5 */
+#define M_VESA_FULL_1280	0x11b	/* 1280x1024, 8:8:8 */
+#define M_VESA_MODE_MAX		0x1ff
+
+struct video_display_start {
+	int		x;
+	int		y;
+};
+typedef struct video_display_start video_display_start_t;
+
+struct video_color_palette {
+	int		index;		/* first element (zero-based) */
+	int		count;		/* number of elements */
+	u_char		*red;		/* red */
+	u_char		*green;		/* green */
+	u_char		*blue;		/* blue */
+	u_char		*transparent;	/* may be NULL */
+};
+typedef struct video_color_palette video_color_palette_t;
+
+/* adapter info. */
+#define FBIO_ADAPTER	_IOR('F', 100, int)
+#define FBIO_ADPTYPE	_IOR('F', 101, int)
+#define FBIO_ADPINFO	_IOR('F', 102, struct video_adapter_info)
+
+/* video mode control */
+#define FBIO_MODEINFO	_IOWR('F', 103, struct video_info)
+#define FBIO_FINDMODE	_IOWR('F', 104, struct video_info)
+#define FBIO_GETMODE	_IOR('F', 105, int)
+#define FBIO_SETMODE	_IOW('F', 106, int)
+
+/* get/set frame buffer window origin */
+#define FBIO_GETWINORG	_IOR('F', 107, u_int)
+#define FBIO_SETWINORG	_IOW('F', 108, u_int)
+
+/* get/set display start address */
+#define FBIO_GETDISPSTART	_IOR('F', 109, video_display_start_t) 
+#define FBIO_SETDISPSTART	_IOW('F', 110, video_display_start_t)
+
+/* get/set scan line width */
+#define FBIO_GETLINEWIDTH	_IOR('F', 111, u_int) 
+#define FBIO_SETLINEWIDTH	_IOW('F', 112, u_int)
+
+/* color palette control */
+#define FBIO_GETPALETTE	_IOW('F', 113, video_color_palette_t)
+#define FBIO_SETPALETTE	_IOW('F', 114, video_color_palette_t)
+
+/* blank display */
+#define V_DISPLAY_ON		0
+#define V_DISPLAY_BLANK		1
+#define V_DISPLAY_STAND_BY	2
+#define V_DISPLAY_SUSPEND	3
+
+#define FBIO_BLANK	_IOW('F', 115, int)
+
+#endif /* !_SYS_FBIO_H_ */
diff --git a/freebsd/sys/sys/terminal.h b/freebsd/sys/sys/terminal.h
new file mode 100644
index 00000000..e3413a79
--- /dev/null
+++ b/freebsd/sys/sys/terminal.h
@@ -0,0 +1,240 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2009 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Ed Schouten under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_TERMINAL_H_
+#define	_SYS_TERMINAL_H_
+
+#include <sys/param.h>
+#include <sys/_lock.h>
+#include <sys/_mutex.h>
+#include <sys/cons.h>
+#include <sys/linker_set.h>
+#include <sys/ttycom.h>
+
+#include <teken/teken.h>
+
+#include <rtems/bsd/local/opt_syscons.h>
+#include <rtems/bsd/local/opt_teken.h>
+
+struct terminal;
+struct thread;
+struct tty;
+
+/*
+ * The terminal layer is an abstraction on top of the TTY layer and the
+ * console interface.  It can be used by system console drivers to
+ * easily interact with the kernel console and TTYs.
+ *
+ * Terminals contain terminal emulators, which means console drivers
+ * don't need to implement their own terminal emulator. The terminal
+ * emulator deals with UTF-8 exclusively. This means that term_char_t,
+ * the data type used to store input/output characters will always
+ * contain Unicode codepoints.
+ *
+ * To save memory usage, the top bits of term_char_t will contain other
+ * attributes, like colors. Right now term_char_t is composed as
+ * follows:
+ *
+ *  Bits  Meaning
+ *  0-20: Character value
+ * 21-25: Bold, underline, blink, reverse, right part of CJK fullwidth character
+ * 26-28: Foreground color
+ * 29-31: Background color
+ */
+
+typedef uint32_t term_char_t;
+#define	TCHAR_CHARACTER(c)	((c) & 0x1fffff)
+#define	TCHAR_FORMAT(c)		(((c) >> 21) & 0x1f)
+#define	TCHAR_FGCOLOR(c)	(((c) >> 26) & 0x7)
+#define	TCHAR_BGCOLOR(c)	(((c) >> 29) & 0x7)
+
+typedef teken_attr_t term_attr_t;
+
+typedef teken_color_t term_color_t;
+#define	TCOLOR_FG(c)	(((c) & 0x7) << 26)
+#define	TCOLOR_BG(c)	(((c) & 0x7) << 29)
+#define	TCOLOR_LIGHT(c)	((c) | 0x8)
+#define	TCOLOR_DARK(c)	((c) & ~0x8)
+
+#define	TFORMAT(c)	(((c) & 0x1f) << 21)
+
+/* syscons(4) compatible color attributes for foreground text */
+#define	FG_BLACK		TCOLOR_FG(TC_BLACK)
+#define	FG_BLUE			TCOLOR_FG(TC_BLUE)
+#define	FG_GREEN		TCOLOR_FG(TC_GREEN)
+#define	FG_CYAN			TCOLOR_FG(TC_CYAN)
+#define	FG_RED			TCOLOR_FG(TC_RED)
+#define	FG_MAGENTA		TCOLOR_FG(TC_MAGENTA)
+#define	FG_BROWN		TCOLOR_FG(TC_BROWN)
+#define	FG_LIGHTGREY		TCOLOR_FG(TC_WHITE)
+#define	FG_DARKGREY		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_BLACK))
+#define	FG_LIGHTBLUE		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_BLUE))
+#define	FG_LIGHTGREEN		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_GREEN))
+#define	FG_LIGHTCYAN		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_CYAN))
+#define	FG_LIGHTRED		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_RED))
+#define	FG_LIGHTMAGENTA		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_MAGENTA))
+#define	FG_YELLOW		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_BROWN))
+#define	FG_WHITE		(TFORMAT(TF_BOLD) | TCOLOR_FG(TC_WHITE))
+#define	FG_BLINK		TFORMAT(TF_BLINK)
+
+/* syscons(4) compatible color attributes for text background */
+#define	BG_BLACK		TCOLOR_BG(TC_BLACK)
+#define	BG_BLUE			TCOLOR_BG(TC_BLUE)
+#define	BG_GREEN		TCOLOR_BG(TC_GREEN)
+#define	BG_CYAN			TCOLOR_BG(TC_CYAN)
+#define	BG_RED			TCOLOR_BG(TC_RED)
+#define	BG_MAGENTA		TCOLOR_BG(TC_MAGENTA)
+#define	BG_BROWN		TCOLOR_BG(TC_BROWN)
+#define	BG_LIGHTGREY		TCOLOR_BG(TC_WHITE)
+#define	BG_DARKGREY		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_BLACK))
+#define	BG_LIGHTBLUE		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_BLUE))
+#define	BG_LIGHTGREEN		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_GREEN))
+#define	BG_LIGHTCYAN		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_CYAN))
+#define	BG_LIGHTRED		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_RED))
+#define	BG_LIGHTMAGENTA		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_MAGENTA))
+#define	BG_YELLOW		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_BROWN))
+#define	BG_WHITE		(TFORMAT(TF_BOLD) | TCOLOR_BG(TC_WHITE))
+
+#ifndef TERMINAL_NORM_ATTR
+#ifdef SC_NORM_ATTR
+#define	TERMINAL_NORM_ATTR	SC_NORM_ATTR
+#else
+#define	TERMINAL_NORM_ATTR	(FG_LIGHTGREY | BG_BLACK)
+#endif
+#endif
+
+#ifndef TERMINAL_KERN_ATTR
+#ifdef SC_KERNEL_CONS_ATTR
+#define	TERMINAL_KERN_ATTR	SC_KERNEL_CONS_ATTR
+#else
+#define	TERMINAL_KERN_ATTR	(FG_WHITE | BG_BLACK)
+#endif
+#endif
+
+typedef teken_pos_t term_pos_t;
+typedef teken_rect_t term_rect_t;
+
+typedef void tc_cursor_t(struct terminal *tm, const term_pos_t *p);
+typedef void tc_putchar_t(struct terminal *tm, const term_pos_t *p,
+    term_char_t c);
+typedef void tc_fill_t(struct terminal *tm, const term_rect_t *r,
+    term_char_t c);
+typedef void tc_copy_t(struct terminal *tm, const term_rect_t *r,
+    const term_pos_t *p);
+typedef void tc_pre_input_t(struct terminal *tm);
+typedef void tc_post_input_t(struct terminal *tm);
+typedef void tc_param_t(struct terminal *tm, int cmd, unsigned int arg);
+typedef void tc_done_t(struct terminal *tm);
+
+typedef void tc_cnprobe_t(struct terminal *tm, struct consdev *cd);
+typedef int tc_cngetc_t(struct terminal *tm);
+
+typedef void tc_cngrab_t(struct terminal *tm);
+typedef void tc_cnungrab_t(struct terminal *tm);
+
+typedef void tc_opened_t(struct terminal *tm, int opened);
+typedef int tc_ioctl_t(struct terminal *tm, u_long cmd, caddr_t data,
+    struct thread *td);
+typedef int tc_mmap_t(struct terminal *tm, vm_ooffset_t offset,
+    vm_paddr_t * paddr, int nprot, vm_memattr_t *memattr);
+typedef void tc_bell_t(struct terminal *tm);
+
+struct terminal_class {
+	/* Terminal emulator. */
+	tc_cursor_t	*tc_cursor;
+	tc_putchar_t	*tc_putchar;
+	tc_fill_t	*tc_fill;
+	tc_copy_t	*tc_copy;
+	tc_pre_input_t	*tc_pre_input;
+	tc_post_input_t	*tc_post_input;
+	tc_param_t	*tc_param;
+	tc_done_t	*tc_done;
+
+	/* Low-level console interface. */
+	tc_cnprobe_t	*tc_cnprobe;
+	tc_cngetc_t	*tc_cngetc;
+
+	/* DDB & panic handling. */
+	tc_cngrab_t	*tc_cngrab;
+	tc_cnungrab_t	*tc_cnungrab;
+
+	/* Misc. */
+	tc_opened_t	*tc_opened;
+	tc_ioctl_t	*tc_ioctl;
+	tc_mmap_t	*tc_mmap;
+	tc_bell_t	*tc_bell;
+};
+
+struct terminal {
+	const struct terminal_class *tm_class;
+	void		*tm_softc;
+	struct mtx	 tm_mtx;
+	struct tty	*tm_tty;
+	teken_t		 tm_emulator;
+	struct winsize	 tm_winsize;
+	unsigned int	 tm_flags;
+#define	TF_MUTE		0x1	/* Drop incoming data. */
+#define	TF_BELL		0x2	/* Bell needs to be sent. */
+#define	TF_CONS		0x4	/* Console device (needs spinlock). */
+	struct consdev	*consdev;
+};
+
+#ifdef _KERNEL
+
+struct terminal *terminal_alloc(const struct terminal_class *tc, void *softc);
+void	terminal_maketty(struct terminal *tm, const char *fmt, ...);
+void	terminal_set_cursor(struct terminal *tm, const term_pos_t *pos);
+void	terminal_set_winsize_blank(struct terminal *tm,
+    const struct winsize *size, int blank, const term_attr_t *attr);
+void	terminal_set_winsize(struct terminal *tm, const struct winsize *size);
+void	terminal_mute(struct terminal *tm, int yes);
+void	terminal_input_char(struct terminal *tm, term_char_t c);
+void	terminal_input_raw(struct terminal *tm, char c);
+void	terminal_input_special(struct terminal *tm, unsigned int k);
+
+void	termcn_cnregister(struct terminal *tm);
+
+/* Kernel console helper interface. */
+extern const struct consdev_ops termcn_cnops;
+
+#define	TERMINAL_DECLARE_EARLY(name, class, softc)			\
+	static struct terminal name = {					\
+		.tm_class = &class,					\
+		.tm_softc = softc,					\
+		.tm_flags = TF_CONS,					\
+	};								\
+	CONSOLE_DEVICE(name ## _consdev, termcn_cnops, &name)
+
+#endif /* _KERNEL */
+
+#endif /* !_SYS_TERMINAL_H_ */
diff --git a/freebsd/sys/teken/teken.h b/freebsd/sys/teken/teken.h
new file mode 100644
index 00000000..0a3928a9
--- /dev/null
+++ b/freebsd/sys/teken/teken.h
@@ -0,0 +1,221 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2008-2009 Ed Schouten <ed at FreeBSD.org>
+ * 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.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _TEKEN_H_
+#define	_TEKEN_H_
+
+#include <sys/types.h>
+
+/*
+ * libteken: terminal emulation library.
+ *
+ * This library converts an UTF-8 stream of bytes to terminal drawing
+ * commands.
+ */
+
+typedef uint32_t teken_char_t;
+typedef unsigned short teken_unit_t;
+typedef unsigned char teken_format_t;
+#define	TF_BOLD		0x01	/* Bold character. */
+#define	TF_UNDERLINE	0x02	/* Underline character. */
+#define	TF_BLINK	0x04	/* Blinking character. */
+#define	TF_REVERSE	0x08	/* Reverse rendered character. */
+#define	TF_CJK_RIGHT	0x10	/* Right-hand side of CJK character. */
+typedef unsigned char teken_color_t;
+#define	TC_BLACK	0
+#define	TC_RED		1
+#define	TC_GREEN	2
+#define	TC_BROWN	3
+#define	TC_BLUE		4
+#define	TC_MAGENTA	5
+#define	TC_CYAN		6
+#define	TC_WHITE	7
+#define	TC_NCOLORS	8
+#define	TC_LIGHT	8	/* ORed with the others. */
+
+typedef struct {
+	teken_unit_t	tp_row;
+	teken_unit_t	tp_col;
+} teken_pos_t;
+typedef struct {
+	teken_pos_t	tr_begin;
+	teken_pos_t	tr_end;
+} teken_rect_t;
+typedef struct {
+	teken_format_t	ta_format;
+	teken_color_t	ta_fgcolor;
+	teken_color_t	ta_bgcolor;
+} teken_attr_t;
+typedef struct {
+	teken_unit_t	ts_begin;
+	teken_unit_t	ts_end;
+} teken_span_t;
+
+typedef struct __teken teken_t;
+
+typedef void teken_state_t(teken_t *, teken_char_t);
+
+/*
+ * Drawing routines supplied by the user.
+ */
+
+typedef void tf_bell_t(void *);
+typedef void tf_cursor_t(void *, const teken_pos_t *);
+typedef void tf_putchar_t(void *, const teken_pos_t *, teken_char_t,
+    const teken_attr_t *);
+typedef void tf_fill_t(void *, const teken_rect_t *, teken_char_t,
+    const teken_attr_t *);
+typedef void tf_copy_t(void *, const teken_rect_t *, const teken_pos_t *);
+typedef void tf_pre_input_t(void *);
+typedef void tf_post_input_t(void *);
+typedef void tf_param_t(void *, int, unsigned int);
+#define	TP_SHOWCURSOR	0
+#define	TP_KEYPADAPP	1
+#define	TP_AUTOREPEAT	2
+#define	TP_SWITCHVT	3
+#define	TP_132COLS	4
+#define	TP_SETBELLPD	5
+#define	TP_SETBELLPD_PITCH(pd)		((pd) >> 16)
+#define	TP_SETBELLPD_DURATION(pd)	((pd) & 0xffff)
+#define	TP_MOUSE	6
+#define	TP_SETBORDER	7
+#define	TP_SETLOCALCURSOR	8
+#define	TP_SETGLOBALCURSOR	9
+typedef void tf_respond_t(void *, const void *, size_t);
+
+typedef struct {
+	tf_bell_t	*tf_bell;
+	tf_cursor_t	*tf_cursor;
+	tf_putchar_t	*tf_putchar;
+	tf_fill_t	*tf_fill;
+	tf_copy_t	*tf_copy;
+	tf_pre_input_t	*tf_pre_input;
+	tf_post_input_t	*tf_post_input;
+	tf_param_t	*tf_param;
+	tf_respond_t	*tf_respond;
+} teken_funcs_t;
+
+typedef teken_char_t teken_scs_t(const teken_t *, teken_char_t);
+
+/*
+ * Terminal state.
+ */
+
+struct __teken {
+	const teken_funcs_t *t_funcs;
+	void		*t_softc;
+
+	teken_state_t	*t_nextstate;
+	unsigned int	 t_stateflags;
+
+#define T_NUMSIZE	8
+	unsigned int	 t_nums[T_NUMSIZE];
+	unsigned int	 t_curnum;
+
+	teken_pos_t	 t_cursor;
+	teken_attr_t	 t_curattr;
+	teken_pos_t	 t_saved_cursor;
+	teken_attr_t	 t_saved_curattr;
+
+	teken_attr_t	 t_defattr;
+	teken_pos_t	 t_winsize;
+
+	/* For DECSTBM. */
+	teken_span_t	 t_scrollreg;
+	/* For DECOM. */
+	teken_span_t	 t_originreg;
+
+#define	T_NUMCOL	160
+	unsigned int	 t_tabstops[T_NUMCOL / (sizeof(unsigned int) * 8)];
+
+	unsigned int	 t_utf8_left;
+	teken_char_t	 t_utf8_partial;
+	teken_char_t	 t_last;
+
+	unsigned int	 t_curscs;
+	teken_scs_t	*t_saved_curscs;
+	teken_scs_t	*t_scs[2];
+};
+
+/* Initialize teken structure. */
+void	teken_init(teken_t *, const teken_funcs_t *, void *);
+
+/* Deliver character input. */
+void	teken_input(teken_t *, const void *, size_t);
+
+/* Get/set teken attributes. */
+const teken_pos_t *teken_get_cursor(const teken_t *);
+const teken_attr_t *teken_get_curattr(const teken_t *);
+const teken_attr_t *teken_get_defattr(const teken_t *);
+void	teken_get_defattr_cons25(const teken_t *, int *, int *);
+const teken_pos_t *teken_get_winsize(const teken_t *);
+void	teken_set_cursor(teken_t *, const teken_pos_t *);
+void	teken_set_curattr(teken_t *, const teken_attr_t *);
+void	teken_set_defattr(teken_t *, const teken_attr_t *);
+void	teken_set_winsize(teken_t *, const teken_pos_t *);
+void	teken_set_winsize_noreset(teken_t *, const teken_pos_t *);
+
+/* Key input escape sequences. */
+#define	TKEY_UP		0x00
+#define	TKEY_DOWN	0x01
+#define	TKEY_LEFT	0x02
+#define	TKEY_RIGHT	0x03
+
+#define	TKEY_HOME	0x04
+#define	TKEY_END	0x05
+#define	TKEY_INSERT	0x06
+#define	TKEY_DELETE	0x07
+#define	TKEY_PAGE_UP	0x08
+#define	TKEY_PAGE_DOWN	0x09
+
+#define	TKEY_F1		0x0a
+#define	TKEY_F2		0x0b
+#define	TKEY_F3		0x0c
+#define	TKEY_F4		0x0d
+#define	TKEY_F5		0x0e
+#define	TKEY_F6		0x0f
+#define	TKEY_F7		0x10
+#define	TKEY_F8		0x11
+#define	TKEY_F9		0x12
+#define	TKEY_F10	0x13
+#define	TKEY_F11	0x14
+#define	TKEY_F12	0x15
+const char *teken_get_sequence(const teken_t *, unsigned int);
+
+/* Legacy features. */
+void	teken_set_8bit(teken_t *);
+void	teken_set_cons25(teken_t *);
+void	teken_set_cons25keys(teken_t *);
+
+/* Color conversion. */
+teken_color_t teken_256to16(teken_color_t);
+teken_color_t teken_256to8(teken_color_t);
+
+#endif /* !_TEKEN_H_ */
-- 
2.20.1




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