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freebsd-skq/sys/dev/vt/vt_core.c
dumbbell d876026f83 vt(4): Add new vd_bitblt_text_t callback, and implement it for vt_vga 
Compared to the deprecated vd_bitbltchr_t callback, vd_bitblt_text_t
receives:
    o  the whole text buffer
    o  the dirty area
    o  the mouse cursor (map, position, colors)

This allows the backend to perform optimization on how to draw things.
The goal is to remove vd_bitbltchr_t and vd_putchar_t, once all driver
are converted (only vt_vga is included in this commit).

In vt_vga, this allows to draw the text and the cursor in one pass,
without ever reading from video memory (because it has all the context).
The main benefit is the speed improvement: no more slideshow during
boot!

Other bugs fixed in vt_vga are:
    o  left-most characters are drawn properly (the left-most pixels were
       missing with bold characters and some wide letters such as 'm')
    o  no more black square around the cursor
    o  no cursor flickering when the text is scrolling

There are still many problems to fix: the known issues are marked with
"FIXME" inside the code.

MFC after:	1 week
2014-08-22 08:22:40 +00:00

2265 lines
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/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/consio.h>
#include <sys/eventhandler.h>
#include <sys/fbio.h>
#include <sys/kbio.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/systm.h>
#include <sys/terminal.h>
#include <dev/kbd/kbdreg.h>
#include <dev/vt/vt.h>
#if defined(__i386__) || defined(__amd64__)
#include <machine/psl.h>
#include <machine/frame.h>
#endif
static tc_bell_t vtterm_bell;
static tc_cursor_t vtterm_cursor;
static tc_putchar_t vtterm_putchar;
static tc_fill_t vtterm_fill;
static tc_copy_t vtterm_copy;
static tc_param_t vtterm_param;
static tc_done_t vtterm_done;
static tc_cnprobe_t vtterm_cnprobe;
static tc_cngetc_t vtterm_cngetc;
static tc_opened_t vtterm_opened;
static tc_ioctl_t vtterm_ioctl;
static tc_mmap_t vtterm_mmap;
const struct terminal_class vt_termclass = {
.tc_bell = vtterm_bell,
.tc_cursor = vtterm_cursor,
.tc_putchar = vtterm_putchar,
.tc_fill = vtterm_fill,
.tc_copy = vtterm_copy,
.tc_param = vtterm_param,
.tc_done = vtterm_done,
.tc_cnprobe = vtterm_cnprobe,
.tc_cngetc = vtterm_cngetc,
.tc_opened = vtterm_opened,
.tc_ioctl = vtterm_ioctl,
.tc_mmap = vtterm_mmap,
};
/*
* Use a constant timer of 25 Hz to redraw the screen.
*
* XXX: In theory we should only fire up the timer when there is really
* activity. Unfortunately we cannot always start timers. We really
* don't want to process kernel messages synchronously, because it
* really slows down the system.
*/
#define VT_TIMERFREQ 25
/* Bell pitch/duration. */
#define VT_BELLDURATION ((5 * hz + 99) / 100)
#define VT_BELLPITCH 800
#define VT_LOCK(vd) mtx_lock(&(vd)->vd_lock)
#define VT_UNLOCK(vd) mtx_unlock(&(vd)->vd_lock)
#define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \
(vw)->vw_number)
static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
VT_SYSCTL_INT(spclkeys, (VT_DEBUG_KEY_ENABLED|VT_REBOOT_KEY_ENABLED|
VT_HALT_KEY_ENABLED|VT_POWEROFF_KEY_ENABLED), "Enabled special keys "
"handled by vt(4)");
static struct vt_device vt_consdev;
static unsigned int vt_unit = 0;
static MALLOC_DEFINE(M_VT, "vt", "vt device");
struct vt_device *main_vd = &vt_consdev;
/* Boot logo. */
extern unsigned int vt_logo_width;
extern unsigned int vt_logo_height;
extern unsigned int vt_logo_depth;
extern unsigned char vt_logo_image[];
/* Font. */
extern struct vt_font vt_font_default;
#ifndef SC_NO_CUTPASTE
extern struct vt_mouse_cursor vt_default_mouse_pointer;
#endif
static int signal_vt_rel(struct vt_window *);
static int signal_vt_acq(struct vt_window *);
static int finish_vt_rel(struct vt_window *, int, int *);
static int finish_vt_acq(struct vt_window *);
static int vt_window_switch(struct vt_window *);
static int vt_late_window_switch(struct vt_window *);
static int vt_proc_alive(struct vt_window *);
static void vt_resize(struct vt_device *);
static void vt_update_static(void *);
SET_DECLARE(vt_drv_set, struct vt_driver);
#define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_DEFAULT_HEIGHT))
#define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_DEFAULT_WIDTH))
static struct terminal vt_consterm;
static struct vt_window vt_conswindow;
static struct vt_device vt_consdev = {
.vd_driver = NULL,
.vd_softc = NULL,
.vd_flags = VDF_INVALID,
.vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
.vd_curwindow = &vt_conswindow,
.vd_markedwin = NULL,
.vd_kbstate = 0,
};
static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
static struct vt_window vt_conswindow = {
.vw_number = VT_CONSWINDOW,
.vw_flags = VWF_CONSOLE,
.vw_buf = {
.vb_buffer = &vt_constextbuf[0],
.vb_rows = &vt_constextbufrows[0],
.vb_history_size = VBF_DEFAULT_HISTORY_SIZE,
.vb_curroffset = 0,
.vb_roffset = 0,
.vb_flags = VBF_STATIC,
.vb_mark_start = {.tp_row = 0, .tp_col = 0,},
.vb_mark_end = {.tp_row = 0, .tp_col = 0,},
.vb_scr_size = {
.tp_row = _VTDEFH,
.tp_col = _VTDEFW,
},
},
.vw_device = &vt_consdev,
.vw_terminal = &vt_consterm,
.vw_kbdmode = K_XLATE,
};
static struct terminal vt_consterm = {
.tm_class = &vt_termclass,
.tm_softc = &vt_conswindow,
.tm_flags = TF_CONS,
};
static struct consdev vt_consterm_consdev = {
.cn_ops = &termcn_cnops,
.cn_arg = &vt_consterm,
.cn_name = "ttyv0",
};
/* Add to set of consoles. */
DATA_SET(cons_set, vt_consterm_consdev);
/*
* Right after kmem is done to allow early drivers to use locking and allocate
* memory.
*/
SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static,
&vt_consdev);
/* Delay until all devices attached, to not waste time. */
SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade,
&vt_consdev);
/* Initialize locks/mem depended members. */
static void
vt_update_static(void *dummy)
{
if (!vty_enabled(VTY_VT))
return;
if (main_vd->vd_driver != NULL)
printf("VT: running with driver \"%s\".\n",
main_vd->vd_driver->vd_name);
else
printf("VT: init without driver.\n");
mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF);
cv_init(&main_vd->vd_winswitch, "vtwswt");
}
static void
vt_schedule_flush(struct vt_device *vd, int ms)
{
if (ms <= 0)
/* Default to initial value. */
ms = 1000 / VT_TIMERFREQ;
callout_schedule(&vd->vd_timer, hz / (1000 / ms));
}
static void
vt_resume_flush_timer(struct vt_device *vd, int ms)
{
if (!atomic_cmpset_int(&vd->vd_timer_armed, 0, 1))
return;
vt_schedule_flush(vd, ms);
}
static void
vt_suspend_flush_timer(struct vt_device *vd)
{
if (!atomic_cmpset_int(&vd->vd_timer_armed, 1, 0))
return;
callout_drain(&vd->vd_timer);
}
static void
vt_switch_timer(void *arg)
{
vt_late_window_switch((struct vt_window *)arg);
}
static int
vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw)
{
DPRINTF(40, "%s\n", __func__);
curvw->vw_switch_to = vw;
/* Set timer to allow switch in case when process hang. */
callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer,
vt_switch_timer, (void *)vw);
/* Notify process about vt switch attempt. */
DPRINTF(30, "%s: Notify process.\n", __func__);
signal_vt_rel(curvw);
return (0);
}
static int
vt_window_postswitch(struct vt_window *vw)
{
signal_vt_acq(vw);
return (0);
}
/* vt_late_window_switch will done VT switching for regular case. */
static int
vt_late_window_switch(struct vt_window *vw)
{
int ret;
callout_stop(&vw->vw_proc_dead_timer);
ret = vt_window_switch(vw);
if (ret)
return (ret);
/* Notify owner process about terminal availability. */
if (vw->vw_smode.mode == VT_PROCESS) {
ret = vt_window_postswitch(vw);
}
return (ret);
}
/* Switch window. */
static int
vt_proc_window_switch(struct vt_window *vw)
{
struct vt_window *curvw;
struct vt_device *vd;
int ret;
vd = vw->vw_device;
curvw = vd->vd_curwindow;
if (curvw->vw_flags & VWF_VTYLOCK)
return (EBUSY);
/* Ask current process permitions to switch away. */
if (curvw->vw_smode.mode == VT_PROCESS) {
DPRINTF(30, "%s: VT_PROCESS ", __func__);
if (vt_proc_alive(curvw) == FALSE) {
DPRINTF(30, "Dead. Cleaning.");
/* Dead */
} else {
DPRINTF(30, "%s: Signaling process.\n", __func__);
/* Alive, try to ask him. */
ret = vt_window_preswitch(vw, curvw);
/* Wait for process answer or timeout. */
return (ret);
}
DPRINTF(30, "\n");
}
ret = vt_late_window_switch(vw);
return (ret);
}
/* Switch window ignoring process locking. */
static int
vt_window_switch(struct vt_window *vw)
{
struct vt_device *vd = vw->vw_device;
struct vt_window *curvw = vd->vd_curwindow;
keyboard_t *kbd;
VT_LOCK(vd);
if (curvw == vw) {
/* Nothing to do. */
VT_UNLOCK(vd);
return (0);
}
if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) {
VT_UNLOCK(vd);
return (EINVAL);
}
vt_suspend_flush_timer(vd);
vd->vd_curwindow = vw;
vd->vd_flags |= VDF_INVALID;
cv_broadcast(&vd->vd_winswitch);
VT_UNLOCK(vd);
if (vd->vd_driver->vd_postswitch)
vd->vd_driver->vd_postswitch(vd);
vt_resume_flush_timer(vd, 0);
/* Restore per-window keyboard mode. */
mtx_lock(&Giant);
kbd = kbd_get_keyboard(vd->vd_keyboard);
if (kbd != NULL) {
kbdd_ioctl(kbd, KDSKBMODE, (void *)&vw->vw_kbdmode);
}
mtx_unlock(&Giant);
DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
return (0);
}
static inline void
vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
{
size->tp_row = vd->vd_height;
size->tp_col = vd->vd_width;
if (vf != NULL) {
size->tp_row /= vf->vf_height;
size->tp_col /= vf->vf_width;
}
}
static inline void
vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
{
size->ws_row = size->ws_ypixel = vd->vd_height;
size->ws_col = size->ws_xpixel = vd->vd_width;
if (vf != NULL) {
size->ws_row /= vf->vf_height;
size->ws_col /= vf->vf_width;
}
}
static void
vt_scroll(struct vt_window *vw, int offset, int whence)
{
int diff;
term_pos_t size;
if ((vw->vw_flags & VWF_SCROLL) == 0)
return;
vt_termsize(vw->vw_device, vw->vw_font, &size);
diff = vthistory_seek(&vw->vw_buf, offset, whence);
/*
* Offset changed, please update Nth lines on sceen.
* +N - Nth lines at top;
* -N - Nth lines at bottom.
*/
if (diff < -size.tp_row || diff > size.tp_row) {
vw->vw_device->vd_flags |= VDF_INVALID;
return;
}
vw->vw_device->vd_flags |= VDF_INVALID; /*XXX*/
}
static int
vt_machine_kbdevent(int c)
{
switch (c) {
case SPCLKEY | DBG:
if (vt_spclkeys & VT_DEBUG_KEY_ENABLED)
kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
return (1);
case SPCLKEY | RBT:
if (vt_spclkeys & VT_REBOOT_KEY_ENABLED)
/* XXX: Make this configurable! */
shutdown_nice(0);
return (1);
case SPCLKEY | HALT:
if (vt_spclkeys & VT_HALT_KEY_ENABLED)
shutdown_nice(RB_HALT);
return (1);
case SPCLKEY | PDWN:
if (vt_spclkeys & VT_POWEROFF_KEY_ENABLED)
shutdown_nice(RB_HALT|RB_POWEROFF);
return (1);
};
return (0);
}
static void
vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
{
struct vt_device *vd;
term_pos_t size;
vd = vw->vw_device;
/* Only special keys handled in ScrollLock mode */
if ((c & SPCLKEY) == 0)
return;
c &= ~SPCLKEY;
if (console == 0) {
if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
vw = vd->vd_windows[c - F_SCR];
if (vw != NULL)
vt_proc_window_switch(vw);
return;
}
VT_LOCK(vd);
}
switch (c) {
case SLK: {
/* Turn scrolling off. */
vt_scroll(vw, 0, VHS_END);
VTBUF_SLCK_DISABLE(&vw->vw_buf);
vw->vw_flags &= ~VWF_SCROLL;
break;
}
case FKEY | F(49): /* Home key. */
vt_scroll(vw, 0, VHS_SET);
break;
case FKEY | F(50): /* Arrow up. */
vt_scroll(vw, -1, VHS_CUR);
break;
case FKEY | F(51): /* Page up. */
vt_termsize(vd, vw->vw_font, &size);
vt_scroll(vw, -size.tp_row, VHS_CUR);
break;
case FKEY | F(57): /* End key. */
vt_scroll(vw, 0, VHS_END);
break;
case FKEY | F(58): /* Arrow down. */
vt_scroll(vw, 1, VHS_CUR);
break;
case FKEY | F(59): /* Page down. */
vt_termsize(vd, vw->vw_font, &size);
vt_scroll(vw, size.tp_row, VHS_CUR);
break;
}
if (console == 0)
VT_UNLOCK(vd);
}
static int
vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c)
{
struct vt_window *vw = vd->vd_curwindow;
int state = 0;
#if VT_ALT_TO_ESC_HACK
if (c & RELKEY) {
switch (c & ~RELKEY) {
case (SPCLKEY | RALT):
if (vt_enable_altgr != 0)
break;
case (SPCLKEY | LALT):
vd->vd_kbstate &= ~ALKED;
}
/* Other keys ignored for RELKEY event. */
return (0);
} else {
switch (c & ~RELKEY) {
case (SPCLKEY | RALT):
if (vt_enable_altgr != 0)
break;
case (SPCLKEY | LALT):
vd->vd_kbstate |= ALKED;
}
}
#else
if (c & RELKEY)
/* Other keys ignored for RELKEY event. */
return (0);
#endif
if (vt_machine_kbdevent(c))
return (0);
if (vw->vw_flags & VWF_SCROLL) {
vt_scrollmode_kbdevent(vw, c, 0/* Not a console */);
/* Scroll mode keys handled, nothing to do more. */
return (0);
}
if (c & SPCLKEY) {
c &= ~SPCLKEY;
if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
vw = vd->vd_windows[c - F_SCR];
if (vw != NULL)
vt_proc_window_switch(vw);
return (0);
}
switch (c) {
case SLK: {
kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
VT_LOCK(vd);
if (state & SLKED) {
/* Turn scrolling on. */
vw->vw_flags |= VWF_SCROLL;
VTBUF_SLCK_ENABLE(&vw->vw_buf);
} else {
/* Turn scrolling off. */
vw->vw_flags &= ~VWF_SCROLL;
VTBUF_SLCK_DISABLE(&vw->vw_buf);
vt_scroll(vw, 0, VHS_END);
}
VT_UNLOCK(vd);
break;
}
case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
/* F1 through F12 keys. */
terminal_input_special(vw->vw_terminal,
TKEY_F1 + c - (FKEY | F(1)));
break;
case FKEY | F(49): /* Home key. */
terminal_input_special(vw->vw_terminal, TKEY_HOME);
break;
case FKEY | F(50): /* Arrow up. */
terminal_input_special(vw->vw_terminal, TKEY_UP);
break;
case FKEY | F(51): /* Page up. */
terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP);
break;
case FKEY | F(53): /* Arrow left. */
terminal_input_special(vw->vw_terminal, TKEY_LEFT);
break;
case FKEY | F(55): /* Arrow right. */
terminal_input_special(vw->vw_terminal, TKEY_RIGHT);
break;
case FKEY | F(57): /* End key. */
terminal_input_special(vw->vw_terminal, TKEY_END);
break;
case FKEY | F(58): /* Arrow down. */
terminal_input_special(vw->vw_terminal, TKEY_DOWN);
break;
case FKEY | F(59): /* Page down. */
terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN);
break;
case FKEY | F(60): /* Insert key. */
terminal_input_special(vw->vw_terminal, TKEY_INSERT);
break;
case FKEY | F(61): /* Delete key. */
terminal_input_special(vw->vw_terminal, TKEY_DELETE);
break;
}
} else if (KEYFLAGS(c) == 0) {
/* Don't do UTF-8 conversion when doing raw mode. */
if (vw->vw_kbdmode == K_XLATE) {
#if VT_ALT_TO_ESC_HACK
if (vd->vd_kbstate & ALKED) {
/*
* Prepend ESC sequence if one of ALT keys down.
*/
terminal_input_char(vw->vw_terminal, 0x1b);
}
#endif
terminal_input_char(vw->vw_terminal, KEYCHAR(c));
} else
terminal_input_raw(vw->vw_terminal, c);
}
return (0);
}
static int
vt_kbdevent(keyboard_t *kbd, int event, void *arg)
{
struct vt_device *vd = arg;
int c;
switch (event) {
case KBDIO_KEYINPUT:
break;
case KBDIO_UNLOADING:
mtx_lock(&Giant);
vd->vd_keyboard = -1;
kbd_release(kbd, (void *)vd);
mtx_unlock(&Giant);
return (0);
default:
return (EINVAL);
}
while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
vt_processkey(kbd, vd, c);
return (0);
}
static int
vt_allocate_keyboard(struct vt_device *vd)
{
int idx0, idx;
keyboard_t *k0, *k;
keyboard_info_t ki;
idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd);
vd->vd_keyboard = idx0;
if (idx0 >= 0) {
DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
k0 = kbd_get_keyboard(idx0);
for (idx = kbd_find_keyboard2("*", -1, 0);
idx != -1;
idx = kbd_find_keyboard2("*", -1, idx + 1)) {
k = kbd_get_keyboard(idx);
if (idx == idx0 || KBD_IS_BUSY(k))
continue;
bzero(&ki, sizeof(ki));
strcpy(ki.kb_name, k->kb_name);
ki.kb_unit = k->kb_unit;
kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
}
} else {
DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd);
if (idx0 < 0) {
DPRINTF(10, "%s: No keyboard found.\n", __func__);
return (-1);
}
}
DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
return (idx0);
}
static void
vtterm_bell(struct terminal *tm)
{
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
if (vd->vd_flags & VDF_QUIET_BELL)
return;
sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
}
static void
vtterm_beep(struct terminal *tm, u_int param)
{
u_int freq, period;
if ((param == 0) || ((param & 0xffff) == 0)) {
vtterm_bell(tm);
return;
}
period = ((param >> 16) & 0xffff) * hz / 1000;
freq = 1193182 / (param & 0xffff);
sysbeep(freq, period);
}
static void
vtterm_cursor(struct terminal *tm, const term_pos_t *p)
{
struct vt_window *vw = tm->tm_softc;
vtbuf_cursor_position(&vw->vw_buf, p);
}
static void
vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
{
struct vt_window *vw = tm->tm_softc;
vtbuf_putchar(&vw->vw_buf, p, c);
}
static void
vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
{
struct vt_window *vw = tm->tm_softc;
vtbuf_fill_locked(&vw->vw_buf, r, c);
}
static void
vtterm_copy(struct terminal *tm, const term_rect_t *r,
const term_pos_t *p)
{
struct vt_window *vw = tm->tm_softc;
vtbuf_copy(&vw->vw_buf, r, p);
}
static void
vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
{
struct vt_window *vw = tm->tm_softc;
switch (cmd) {
case TP_SHOWCURSOR:
vtbuf_cursor_visibility(&vw->vw_buf, arg);
break;
case TP_MOUSE:
vw->vw_mouse_level = arg;
break;
}
}
void
vt_determine_colors(term_char_t c, int cursor,
term_color_t *fg, term_color_t *bg)
{
term_color_t tmp;
int invert;
invert = 0;
*fg = TCHAR_FGCOLOR(c);
if (TCHAR_FORMAT(c) & TF_BOLD)
*fg = TCOLOR_LIGHT(*fg);
*bg = TCHAR_BGCOLOR(c);
if (TCHAR_FORMAT(c) & TF_REVERSE)
invert ^= 1;
if (cursor)
invert ^= 1;
if (invert) {
tmp = *fg;
*fg = *bg;
*bg = tmp;
}
}
static void
vt_bitblt_char(struct vt_device *vd, struct vt_font *vf, term_char_t c,
int iscursor, unsigned int row, unsigned int col)
{
term_color_t fg, bg;
vt_determine_colors(c, iscursor, &fg, &bg);
if (vf != NULL) {
const uint8_t *src;
vt_axis_t top, left;
src = vtfont_lookup(vf, c);
/*
* Align the terminal to the centre of the screen.
* Fonts may not always be able to fill the entire
* screen.
*/
top = row * vf->vf_height + vd->vd_offset.tp_row;
left = col * vf->vf_width + vd->vd_offset.tp_col;
vd->vd_driver->vd_bitbltchr(vd, src, NULL, 0, top, left,
vf->vf_width, vf->vf_height, fg, bg);
} else {
vd->vd_driver->vd_putchar(vd, TCHAR_CHARACTER(c),
row, col, fg, bg);
}
}
static void
vt_flush(struct vt_device *vd)
{
struct vt_window *vw;
struct vt_font *vf;
struct vt_bufmask tmask;
unsigned int row, col;
term_rect_t tarea;
term_pos_t size;
term_char_t *r;
#ifndef SC_NO_CUTPASTE
struct vt_mouse_cursor *cursor;
int bpl, h, w;
#endif
vw = vd->vd_curwindow;
if (vw == NULL)
return;
vf = vw->vw_font;
if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
return;
if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
return;
#ifndef SC_NO_CUTPASTE
cursor = NULL;
if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
!(vw->vw_flags & VWF_MOUSE_HIDE)) { /* Cursor displayed. */
if (vd->vd_moldx != vd->vd_mx ||
vd->vd_moldy != vd->vd_my) {
/*
* Mark last mouse position as dirty to erase.
*
* FIXME: The font size could be different among
* all windows, so the column/row calculation
* below isn't correct for all windows.
*
* FIXME: The cursor can span more than one
* character cell. vtbuf_mouse_cursor_position
* marks surrounding cells as dirty. But due
* to font size possibly inconsistent across
* windows, this may not be sufficient. This
* causes part of the cursor to not be erased.
*
* FIXME: The vt_buf lock is acquired twice in a
* row.
*/
vtbuf_mouse_cursor_position(&vw->vw_buf,
vd->vd_moldx / vf->vf_width,
vd->vd_moldy / vf->vf_height);
vtbuf_mouse_cursor_position(&vw->vw_buf,
vd->vd_mx / vf->vf_width,
vd->vd_my / vf->vf_height);
/*
* Save point of last mouse cursor to erase it
* later.
*/
vd->vd_moldx = vd->vd_mx;
vd->vd_moldy = vd->vd_my;
}
if (!kdb_active && panicstr == NULL) {
/* Mouse enabled, and DDB isn't active. */
cursor = &vt_default_mouse_pointer;
}
}
#endif
vtbuf_undirty(&vw->vw_buf, &tarea, &tmask);
vt_termsize(vd, vf, &size);
/* Force a full redraw when the screen contents are invalid. */
if (vd->vd_flags & VDF_INVALID) {
tarea.tr_begin.tp_row = tarea.tr_begin.tp_col = 0;
tarea.tr_end = size;
tmask.vbm_row = tmask.vbm_col = VBM_DIRTY;
vd->vd_flags &= ~VDF_INVALID;
}
if (vd->vd_driver->vd_bitblt_text != NULL) {
if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
vd->vd_driver->vd_bitblt_text(vd, &vw->vw_buf, vf, &tarea
#ifndef SC_NO_CUTPASTE
, cursor, TC_WHITE, TC_BLACK
#endif
);
}
} else {
/*
* FIXME: Once all backend drivers expose the
* vd_bitblt_text_t callback, this code can be removed.
*/
for (row = tarea.tr_begin.tp_row; row < tarea.tr_end.tp_row; row++) {
if (!VTBUF_DIRTYROW(&tmask, row))
continue;
r = VTBUF_GET_ROW(&vw->vw_buf, row);
for (col = tarea.tr_begin.tp_col;
col < tarea.tr_end.tp_col; col++) {
if (!VTBUF_DIRTYCOL(&tmask, col))
continue;
vt_bitblt_char(vd, vf, r[col],
VTBUF_ISCURSOR(&vw->vw_buf, row, col), row, col);
}
}
#ifndef SC_NO_CUTPASTE
if (cursor != NULL) {
bpl = (cursor->width + 7) >> 3; /* Bytes per source line. */
w = cursor->width;
h = cursor->height;
if ((vd->vd_mx + cursor->width) >
(size.tp_col * vf->vf_width))
w = (size.tp_col * vf->vf_width) - vd->vd_mx - 1;
if ((vd->vd_my + cursor->height) >
(size.tp_row * vf->vf_height))
h = (size.tp_row * vf->vf_height) - vd->vd_my - 1;
vd->vd_driver->vd_bitbltchr(vd, cursor->map, cursor->mask, bpl,
vd->vd_offset.tp_row + vd->vd_my,
vd->vd_offset.tp_col + vd->vd_mx,
w, h, TC_WHITE, TC_BLACK);
}
#endif
}
}
static void
vt_timer(void *arg)
{
struct vt_device *vd;
vd = arg;
/* Update screen if required. */
vt_flush(vd);
/* Schedule for next update. */
vt_schedule_flush(vd, 0);
}
static void
vtterm_done(struct terminal *tm)
{
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
if (kdb_active || panicstr != NULL) {
/* Switch to the debugger. */
if (vd->vd_curwindow != vw) {
vd->vd_curwindow = vw;
vd->vd_flags |= VDF_INVALID;
if (vd->vd_driver->vd_postswitch)
vd->vd_driver->vd_postswitch(vd);
}
vd->vd_flags &= ~VDF_SPLASH;
vt_flush(vd);
} else if (!(vd->vd_flags & VDF_ASYNC)) {
vt_flush(vd);
}
}
#ifdef DEV_SPLASH
static void
vtterm_splash(struct vt_device *vd)
{
vt_axis_t top, left;
/* Display a nice boot splash. */
if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
top = (vd->vd_height - vt_logo_height) / 2;
left = (vd->vd_width - vt_logo_width) / 2;
switch (vt_logo_depth) {
case 1:
/* XXX: Unhardcode colors! */
vd->vd_driver->vd_bitbltchr(vd, vt_logo_image, NULL, 0,
top, left, vt_logo_width, vt_logo_height, 0xf, 0x0);
}
vd->vd_flags |= VDF_SPLASH;
}
}
#endif
static void
vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
{
struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
struct winsize wsz;
term_attr_t attr;
term_char_t c;
if (!vty_enabled(VTY_VT))
return;
if (vd->vd_flags & VDF_INITIALIZED)
/* Initialization already done. */
return;
SET_FOREACH(vtdlist, vt_drv_set) {
vtd = *vtdlist;
if (vtd->vd_probe == NULL)
continue;
if (vtd->vd_probe(vd) == CN_DEAD)
continue;
if ((vtdbest == NULL) ||
(vtd->vd_priority > vtdbest->vd_priority))
vtdbest = vtd;
}
if (vtdbest == NULL) {
cp->cn_pri = CN_DEAD;
vd->vd_flags |= VDF_DEAD;
} else {
vd->vd_driver = vtdbest;
cp->cn_pri = vd->vd_driver->vd_init(vd);
}
/* Check if driver's vt_init return CN_DEAD. */
if (cp->cn_pri == CN_DEAD) {
vd->vd_flags |= VDF_DEAD;
}
/* Initialize any early-boot keyboard drivers */
kbd_configure(KB_CONF_PROBE_ONLY);
vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
vd->vd_windows[VT_CONSWINDOW] = vw;
sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
/* Attach default font if not in TEXTMODE. */
if ((vd->vd_flags & VDF_TEXTMODE) == 0)
vw->vw_font = vtfont_ref(&vt_font_default);
vtbuf_init_early(&vw->vw_buf);
vt_winsize(vd, vw->vw_font, &wsz);
c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR :
TERMINAL_NORM_ATTR;
attr.ta_format = TCHAR_FORMAT(c);
attr.ta_fgcolor = TCHAR_FGCOLOR(c);
attr.ta_bgcolor = TCHAR_BGCOLOR(c);
terminal_set_winsize_blank(tm, &wsz, 1, &attr);
if (vtdbest != NULL) {
#ifdef DEV_SPLASH
vtterm_splash(vd);
#endif
vd->vd_flags |= VDF_INITIALIZED;
}
}
static int
vtterm_cngetc(struct terminal *tm)
{
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
keyboard_t *kbd;
int state;
u_int c;
if (vw->vw_kbdsq && *vw->vw_kbdsq)
return (*vw->vw_kbdsq++);
state = 0;
/* Make sure the splash screen is not there. */
if (vd->vd_flags & VDF_SPLASH) {
/* Remove splash */
vd->vd_flags &= ~VDF_SPLASH;
/* Mark screen as invalid to force update */
vd->vd_flags |= VDF_INVALID;
vt_flush(vd);
}
/* Stripped down keyboard handler. */
kbd = kbd_get_keyboard(vd->vd_keyboard);
if (kbd == NULL)
return (-1);
/* Force keyboard input mode to K_XLATE */
c = K_XLATE;
kbdd_ioctl(kbd, KDSKBMODE, (void *)&c);
/* Switch the keyboard to polling to make it work here. */
kbdd_poll(kbd, TRUE);
c = kbdd_read_char(kbd, 0);
kbdd_poll(kbd, FALSE);
if (c & RELKEY)
return (-1);
if (vw->vw_flags & VWF_SCROLL) {
vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
vt_flush(vd);
return (-1);
}
/* Stripped down handling of vt_kbdevent(), without locking, etc. */
if (c & SPCLKEY) {
switch (c) {
case SPCLKEY | SLK:
kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
if (state & SLKED) {
/* Turn scrolling on. */
vw->vw_flags |= VWF_SCROLL;
VTBUF_SLCK_ENABLE(&vw->vw_buf);
} else {
/* Turn scrolling off. */
vt_scroll(vw, 0, VHS_END);
vw->vw_flags &= ~VWF_SCROLL;
VTBUF_SLCK_DISABLE(&vw->vw_buf);
}
break;
/* XXX: KDB can handle history. */
case SPCLKEY | FKEY | F(50): /* Arrow up. */
vw->vw_kbdsq = "\x1b[A";
break;
case SPCLKEY | FKEY | F(58): /* Arrow down. */
vw->vw_kbdsq = "\x1b[B";
break;
case SPCLKEY | FKEY | F(55): /* Arrow right. */
vw->vw_kbdsq = "\x1b[C";
break;
case SPCLKEY | FKEY | F(53): /* Arrow left. */
vw->vw_kbdsq = "\x1b[D";
break;
}
/* Force refresh to make scrollback work. */
vt_flush(vd);
} else if (KEYFLAGS(c) == 0) {
return (KEYCHAR(c));
}
if (vw->vw_kbdsq && *vw->vw_kbdsq)
return (*vw->vw_kbdsq++);
return (-1);
}
static void
vtterm_opened(struct terminal *tm, int opened)
{
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
VT_LOCK(vd);
vd->vd_flags &= ~VDF_SPLASH;
if (opened)
vw->vw_flags |= VWF_OPENED;
else {
vw->vw_flags &= ~VWF_OPENED;
/* TODO: finish ACQ/REL */
}
VT_UNLOCK(vd);
}
static int
vt_change_font(struct vt_window *vw, struct vt_font *vf)
{
struct vt_device *vd = vw->vw_device;
struct terminal *tm = vw->vw_terminal;
term_pos_t size;
struct winsize wsz;
/*
* Changing fonts.
*
* Changing fonts is a little tricky. We must prevent
* simultaneous access to the device, so we must stop
* the display timer and the terminal from accessing.
* We need to switch fonts and grow our screen buffer.
*
* XXX: Right now the code uses terminal_mute() to
* prevent data from reaching the console driver while
* resizing the screen buffer. This isn't elegant...
*/
VT_LOCK(vd);
if (vw->vw_flags & VWF_BUSY) {
/* Another process is changing the font. */
VT_UNLOCK(vd);
return (EBUSY);
}
if (vd->vd_flags & VDF_TEXTMODE) {
/* Our device doesn't need fonts. */
VT_UNLOCK(vd);
return (ENOTTY);
}
vw->vw_flags |= VWF_BUSY;
VT_UNLOCK(vd);
vt_termsize(vd, vf, &size);
vt_winsize(vd, vf, &wsz);
/* Save offset to font aligned area. */
vd->vd_offset.tp_col = (vd->vd_width % vf->vf_width) / 2;
vd->vd_offset.tp_row = (vd->vd_height % vf->vf_height) / 2;
/* Grow the screen buffer and terminal. */
terminal_mute(tm, 1);
vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
terminal_set_winsize_blank(tm, &wsz, 0, NULL);
terminal_mute(tm, 0);
/* Actually apply the font to the current window. */
VT_LOCK(vd);
if (vw->vw_font != vf) {
/*
* In case vt_change_font called to update size we don't need
* to update font link.
*/
vtfont_unref(vw->vw_font);
vw->vw_font = vtfont_ref(vf);
}
/* Force a full redraw the next timer tick. */
if (vd->vd_curwindow == vw)
vd->vd_flags |= VDF_INVALID;
vw->vw_flags &= ~VWF_BUSY;
VT_UNLOCK(vd);
return (0);
}
static int
vt_set_border(struct vt_window *vw, struct vt_font *vf, term_color_t c)
{
struct vt_device *vd = vw->vw_device;
int x, y, off_x, off_y;
if (vd->vd_driver->vd_drawrect == NULL)
return (ENOTSUP);
x = vd->vd_width - 1;
y = vd->vd_height - 1;
off_x = vd->vd_offset.tp_col;
off_y = vd->vd_offset.tp_row;
/* Top bar. */
if (off_y > 0)
vd->vd_driver->vd_drawrect(vd, 0, 0, x, off_y - 1, 1, c);
/* Left bar. */
if (off_x > 0)
vd->vd_driver->vd_drawrect(vd, 0, off_y, off_x - 1, y - off_y,
1, c);
/* Right bar. May be 1 pixel wider than necessary due to rounding. */
vd->vd_driver->vd_drawrect(vd, x - off_x, off_y, x, y - off_y, 1, c);
/* Bottom bar. May be 1 mixel taller than necessary due to rounding. */
vd->vd_driver->vd_drawrect(vd, 0, y - off_y, x, y, 1, c);
return (0);
}
static int
vt_proc_alive(struct vt_window *vw)
{
struct proc *p;
if (vw->vw_smode.mode != VT_PROCESS)
return (FALSE);
if (vw->vw_proc) {
if ((p = pfind(vw->vw_pid)) != NULL)
PROC_UNLOCK(p);
if (vw->vw_proc == p)
return (TRUE);
vw->vw_proc = NULL;
vw->vw_smode.mode = VT_AUTO;
DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
vw->vw_pid = 0;
}
return (FALSE);
}
static int
signal_vt_rel(struct vt_window *vw)
{
if (vw->vw_smode.mode != VT_PROCESS)
return (FALSE);
if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
vw->vw_proc = NULL;
vw->vw_pid = 0;
return (TRUE);
}
vw->vw_flags |= VWF_SWWAIT_REL;
PROC_LOCK(vw->vw_proc);
kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
PROC_UNLOCK(vw->vw_proc);
DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
return (TRUE);
}
static int
signal_vt_acq(struct vt_window *vw)
{
if (vw->vw_smode.mode != VT_PROCESS)
return (FALSE);
if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
cnavailable(vw->vw_terminal->consdev, FALSE);
if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
vw->vw_proc = NULL;
vw->vw_pid = 0;
return (TRUE);
}
vw->vw_flags |= VWF_SWWAIT_ACQ;
PROC_LOCK(vw->vw_proc);
kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
PROC_UNLOCK(vw->vw_proc);
DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
return (TRUE);
}
static int
finish_vt_rel(struct vt_window *vw, int release, int *s)
{
if (vw->vw_flags & VWF_SWWAIT_REL) {
vw->vw_flags &= ~VWF_SWWAIT_REL;
if (release) {
callout_drain(&vw->vw_proc_dead_timer);
vt_late_window_switch(vw->vw_switch_to);
}
return (0);
}
return (EINVAL);
}
static int
finish_vt_acq(struct vt_window *vw)
{
if (vw->vw_flags & VWF_SWWAIT_ACQ) {
vw->vw_flags &= ~VWF_SWWAIT_ACQ;
return (0);
}
return (EINVAL);
}
#ifndef SC_NO_CUTPASTE
static void
vt_mouse_terminput_button(struct vt_device *vd, int button)
{
struct vt_window *vw;
struct vt_font *vf;
char mouseb[6] = "\x1B[M";
int i, x, y;
vw = vd->vd_curwindow;
vf = vw->vw_font;
/* Translate to char position. */
x = vd->vd_mx / vf->vf_width;
y = vd->vd_my / vf->vf_height;
/* Avoid overflow. */
x = MIN(x, 255 - '!');
y = MIN(y, 255 - '!');
mouseb[3] = ' ' + button;
mouseb[4] = '!' + x;
mouseb[5] = '!' + y;
for (i = 0; i < sizeof(mouseb); i++ )
terminal_input_char(vw->vw_terminal, mouseb[i]);
}
static void
vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
int cnt)
{
switch (type) {
case MOUSE_BUTTON_EVENT:
if (cnt > 0) {
/* Mouse button pressed. */
if (event & MOUSE_BUTTON1DOWN)
vt_mouse_terminput_button(vd, 0);
if (event & MOUSE_BUTTON2DOWN)
vt_mouse_terminput_button(vd, 1);
if (event & MOUSE_BUTTON3DOWN)
vt_mouse_terminput_button(vd, 2);
} else {
/* Mouse button released. */
vt_mouse_terminput_button(vd, 3);
}
break;
#ifdef notyet
case MOUSE_MOTION_EVENT:
if (mouse->u.data.z < 0) {
/* Scroll up. */
sc_mouse_input_button(vd, 64);
} else if (mouse->u.data.z > 0) {
/* Scroll down. */
sc_mouse_input_button(vd, 65);
}
break;
#endif
}
}
void
vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
{
struct vt_device *vd;
struct vt_window *vw;
struct vt_font *vf;
term_pos_t size;
term_char_t *buf;
int i, len, mark;
vd = main_vd;
vw = vd->vd_curwindow;
vf = vw->vw_font;
mark = 0;
if (vw->vw_flags & VWF_MOUSE_HIDE)
return; /* Mouse disabled. */
if (vf == NULL) /* Text mode. */
return;
/*
* TODO: add flag about pointer position changed, to not redraw chars
* under mouse pointer when nothing changed.
*/
if (vw->vw_mouse_level > 0)
vt_mouse_terminput(vd, type, x, y, event, cnt);
switch (type) {
case MOUSE_ACTION:
case MOUSE_MOTION_EVENT:
/* Movement */
x += vd->vd_mx;
y += vd->vd_my;
vt_termsize(vd, vf, &size);
/* Apply limits. */
x = MAX(x, 0);
y = MAX(y, 0);
x = MIN(x, (size.tp_col * vf->vf_width) - 1);
y = MIN(y, (size.tp_row * vf->vf_height) - 1);
vd->vd_mx = x;
vd->vd_my = y;
if ((vd->vd_mstate & MOUSE_BUTTON1DOWN) &&
(vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
vd->vd_mx / vf->vf_width,
vd->vd_my / vf->vf_height) == 1)) {
/*
* We have something marked to copy, so update pointer
* to window with selection.
*/
vd->vd_markedwin = vw;
}
return; /* Done */
case MOUSE_BUTTON_EVENT:
/* Buttons */
break;
default:
return; /* Done */
}
switch (event) {
case MOUSE_BUTTON1DOWN:
switch (cnt % 4) {
case 0: /* up */
mark = VTB_MARK_END;
break;
case 1: /* single click: start cut operation */
mark = VTB_MARK_START;
break;
case 2: /* double click: cut a word */
mark = VTB_MARK_WORD;
break;
case 3: /* triple click: cut a line */
mark = VTB_MARK_ROW;
break;
}
break;
case VT_MOUSE_PASTEBUTTON:
switch (cnt) {
case 0: /* up */
break;
default:
if (vd->vd_markedwin == NULL)
return;
/* Get current selecton size in bytes. */
len = vtbuf_get_marked_len(&vd->vd_markedwin->vw_buf);
if (len <= 0)
return;
buf = malloc(len, M_VT, M_WAITOK | M_ZERO);
/* Request cupy/paste buffer data, no more than `len' */
vtbuf_extract_marked(&vd->vd_markedwin->vw_buf, buf,
len);
len /= sizeof(term_char_t);
for (i = 0; i < len; i++ ) {
if (buf[i] == '\0')
continue;
terminal_input_char(vw->vw_terminal, buf[i]);
}
/* Done, so cleanup. */
free(buf, M_VT);
break;
}
return; /* Done */
case VT_MOUSE_EXTENDBUTTON:
switch (cnt) {
case 0: /* up */
if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
mark = VTB_MARK_EXTEND;
else
mark = 0;
break;
default:
mark = VTB_MARK_EXTEND;
break;
}
break;
default:
return; /* Done */
}
/* Save buttons state. */
if (cnt > 0)
vd->vd_mstate |= event;
else
vd->vd_mstate &= ~event;
if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
vd->vd_my / vf->vf_height) == 1) {
/*
* We have something marked to copy, so update pointer to
* window with selection.
*/
vd->vd_markedwin = vw;
}
}
void
vt_mouse_state(int show)
{
struct vt_device *vd;
struct vt_window *vw;
vd = main_vd;
vw = vd->vd_curwindow;
switch (show) {
case VT_MOUSE_HIDE:
vw->vw_flags |= VWF_MOUSE_HIDE;
break;
case VT_MOUSE_SHOW:
vw->vw_flags &= ~VWF_MOUSE_HIDE;
break;
}
/*
* Mark mouse position as dirty.
*
* FIXME: See comments in vt_flush().
*/
vtbuf_mouse_cursor_position(&vw->vw_buf,
vd->vd_mx / vw->vw_font->vf_width,
vd->vd_my / vw->vw_font->vf_height);
}
#endif
static int
vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
int nprot, vm_memattr_t *memattr)
{
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
if (vd->vd_driver->vd_fb_mmap)
return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
memattr));
return (ENXIO);
}
static int
vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
struct thread *td)
{
struct vt_window *vw = tm->tm_softc;
struct vt_device *vd = vw->vw_device;
keyboard_t *kbd;
int error, i, s;
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
int ival;
switch (cmd) {
case _IO('v', 4):
cmd = VT_RELDISP;
break;
case _IO('v', 5):
cmd = VT_ACTIVATE;
break;
case _IO('v', 6):
cmd = VT_WAITACTIVE;
break;
case _IO('K', 20):
cmd = KDSKBSTATE;
break;
case _IO('K', 67):
cmd = KDSETRAD;
break;
case _IO('K', 7):
cmd = KDSKBMODE;
break;
case _IO('K', 8):
cmd = KDMKTONE;
break;
case _IO('K', 63):
cmd = KIOCSOUND;
break;
case _IO('K', 66):
cmd = KDSETLED;
break;
case _IO('c', 110):
cmd = CONS_SETKBD;
break;
default:
goto skip_thunk;
}
ival = IOCPARM_IVAL(data);
data = (caddr_t)&ival;
skip_thunk:
#endif
switch (cmd) {
case KDSETRAD: /* set keyboard repeat & delay rates (old) */
if (*(int *)data & ~0x7f)
return (EINVAL);
case GIO_KEYMAP:
case PIO_KEYMAP:
case GIO_DEADKEYMAP:
case PIO_DEADKEYMAP:
case GETFKEY:
case SETFKEY:
case KDGKBINFO:
case KDGKBTYPE:
case KDSKBSTATE: /* set keyboard state (locks) */
case KDGKBSTATE: /* get keyboard state (locks) */
case KDGETREPEAT: /* get keyboard repeat & delay rates */
case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
case KDSETLED: /* set keyboard LED status */
case KDGETLED: /* get keyboard LED status */
case KBADDKBD: /* add/remove keyboard to/from mux */
case KBRELKBD: {
error = 0;
mtx_lock(&Giant);
kbd = kbd_get_keyboard(vd->vd_keyboard);
if (kbd != NULL)
error = kbdd_ioctl(kbd, cmd, data);
mtx_unlock(&Giant);
if (error == ENOIOCTL) {
if (cmd == KDGKBTYPE) {
/* always return something? XXX */
*(int *)data = 0;
} else {
return (ENODEV);
}
}
return (error);
}
case KDGKBMODE: {
int mode = -1;
mtx_lock(&Giant);
kbd = kbd_get_keyboard(vd->vd_keyboard);
if (kbd != NULL) {
kbdd_ioctl(kbd, KDGKBMODE, (void *)&mode);
}
mtx_unlock(&Giant);
DPRINTF(20, "mode %d, vw_kbdmode %d\n", mode, vw->vw_kbdmode);
*(int *)data = mode;
return (0);
}
case KDSKBMODE: {
int mode;
mode = *(int *)data;
switch (mode) {
case K_XLATE:
case K_RAW:
case K_CODE:
vw->vw_kbdmode = mode;
if (vw == vd->vd_curwindow) {
keyboard_t *kbd;
error = 0;
mtx_lock(&Giant);
kbd = kbd_get_keyboard(vd->vd_keyboard);
if (kbd != NULL) {
error = kbdd_ioctl(kbd, KDSKBMODE,
(void *)&mode);
}
mtx_unlock(&Giant);
}
return (0);
default:
return (EINVAL);
}
}
case FBIOGTYPE:
case FBIO_GETWINORG: /* get frame buffer window origin */
case FBIO_GETDISPSTART: /* get display start address */
case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
case FBIO_BLANK: /* blank display */
if (vd->vd_driver->vd_fb_ioctl)
return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
break;
case CONS_BLANKTIME:
/* XXX */
return (0);
case CONS_GET:
/* XXX */
*(int *)data = M_CG640x480;
return (0);
case CONS_BELLTYPE: /* set bell type sound */
if ((*(int *)data) & CONS_QUIET_BELL)
vd->vd_flags |= VDF_QUIET_BELL;
else
vd->vd_flags &= ~VDF_QUIET_BELL;
return (0);
case CONS_GETINFO: {
vid_info_t *vi = (vid_info_t *)data;
vi->m_num = vd->vd_curwindow->vw_number + 1;
/* XXX: other fields! */
return (0);
}
case CONS_GETVERS:
*(int *)data = 0x200;
return (0);
case CONS_MODEINFO:
/* XXX */
return (0);
case CONS_MOUSECTL: {
mouse_info_t *mouse = (mouse_info_t*)data;
/*
* All the commands except MOUSE_SHOW nd MOUSE_HIDE
* should not be applied to individual TTYs, but only to
* consolectl.
*/
switch (mouse->operation) {
case MOUSE_HIDE:
if (vd->vd_flags & VDF_MOUSECURSOR) {
vd->vd_flags &= ~VDF_MOUSECURSOR;
#ifndef SC_NO_CUTPASTE
vt_mouse_state(VT_MOUSE_HIDE);
#endif
}
return (0);
case MOUSE_SHOW:
if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
vd->vd_flags |= VDF_MOUSECURSOR;
vd->vd_mx = vd->vd_width / 2;
vd->vd_my = vd->vd_height / 2;
#ifndef SC_NO_CUTPASTE
vt_mouse_state(VT_MOUSE_SHOW);
#endif
}
return (0);
default:
return (EINVAL);
}
}
case PIO_VFONT: {
struct vt_font *vf;
error = vtfont_load((void *)data, &vf);
if (error != 0)
return (error);
error = vt_change_font(vw, vf);
if (error == 0) {
/* XXX: replace 0 with current bg color. */
vt_set_border(vw, vf, 0);
}
vtfont_unref(vf);
return (error);
}
case GIO_SCRNMAP: {
scrmap_t *sm = (scrmap_t *)data;
/* We don't have screen maps, so return a handcrafted one. */
for (i = 0; i < 256; i++)
sm->scrmap[i] = i;
return (0);
}
case KDSETMODE:
/* XXX */
return (0);
case KDENABIO: /* allow io operations */
error = priv_check(td, PRIV_IO);
if (error != 0)
return (error);
error = securelevel_gt(td->td_ucred, 0);
if (error != 0)
return (error);
#if defined(__i386__)
td->td_frame->tf_eflags |= PSL_IOPL;
#elif defined(__amd64__)
td->td_frame->tf_rflags |= PSL_IOPL;
#endif
return (0);
case KDDISABIO: /* disallow io operations (default) */
#if defined(__i386__)
td->td_frame->tf_eflags &= ~PSL_IOPL;
#elif defined(__amd64__)
td->td_frame->tf_rflags &= ~PSL_IOPL;
#endif
return (0);
case KDMKTONE: /* sound the bell */
vtterm_beep(tm, *(u_int *)data);
return (0);
case KIOCSOUND: /* make tone (*data) hz */
/* TODO */
return (0);
case CONS_SETKBD: /* set the new keyboard */
mtx_lock(&Giant);
error = 0;
if (vd->vd_keyboard != *(int *)data) {
kbd = kbd_get_keyboard(*(int *)data);
if (kbd == NULL) {
mtx_unlock(&Giant);
return (EINVAL);
}
i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
(void *)vd, vt_kbdevent, vd);
if (i >= 0) {
if (vd->vd_keyboard != -1) {
kbd_release(kbd, (void *)vd);
}
kbd = kbd_get_keyboard(i);
vd->vd_keyboard = i;
(void)kbdd_ioctl(kbd, KDSKBMODE,
(caddr_t)&vd->vd_curwindow->vw_kbdmode);
} else {
error = EPERM; /* XXX */
}
}
mtx_unlock(&Giant);
return (error);
case CONS_RELKBD: /* release the current keyboard */
mtx_lock(&Giant);
error = 0;
if (vd->vd_keyboard != -1) {
kbd = kbd_get_keyboard(vd->vd_keyboard);
if (kbd == NULL) {
mtx_unlock(&Giant);
return (EINVAL);
}
error = kbd_release(kbd, (void *)vd);
if (error == 0) {
vd->vd_keyboard = -1;
}
}
mtx_unlock(&Giant);
return (error);
case VT_ACTIVATE: {
int win;
win = *(int *)data - 1;
DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
VT_UNIT(vw), win);
if ((win > VT_MAXWINDOWS) || (win < 0))
return (EINVAL);
return (vt_proc_window_switch(vd->vd_windows[win]));
}
case VT_GETACTIVE:
*(int *)data = vd->vd_curwindow->vw_number + 1;
return (0);
case VT_GETINDEX:
*(int *)data = vw->vw_number + 1;
return (0);
case VT_LOCKSWITCH:
/* TODO: Check current state, switching can be in progress. */
if ((*(int *)data) == 0x01)
vw->vw_flags |= VWF_VTYLOCK;
else if ((*(int *)data) == 0x02)
vw->vw_flags &= ~VWF_VTYLOCK;
else
return (EINVAL);
return (0);
case VT_OPENQRY:
VT_LOCK(vd);
for (i = 0; i < VT_MAXWINDOWS; i++) {
vw = vd->vd_windows[i];
if (vw == NULL)
continue;
if (!(vw->vw_flags & VWF_OPENED)) {
*(int *)data = vw->vw_number + 1;
VT_UNLOCK(vd);
return (0);
}
}
VT_UNLOCK(vd);
return (EINVAL);
case VT_WAITACTIVE:
error = 0;
i = *(unsigned int *)data;
if (i > VT_MAXWINDOWS)
return (EINVAL);
if (i != 0)
vw = vd->vd_windows[i - 1];
VT_LOCK(vd);
while (vd->vd_curwindow != vw && error == 0)
error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
VT_UNLOCK(vd);
return (error);
case VT_SETMODE: { /* set screen switcher mode */
struct vt_mode *mode;
struct proc *p1;
mode = (struct vt_mode *)data;
DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
if (vw->vw_smode.mode == VT_PROCESS) {
p1 = pfind(vw->vw_pid);
if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
if (p1)
PROC_UNLOCK(p1);
DPRINTF(5, "error EPERM\n");
return (EPERM);
}
if (p1)
PROC_UNLOCK(p1);
}
if (mode->mode == VT_AUTO) {
vw->vw_smode.mode = VT_AUTO;
vw->vw_proc = NULL;
vw->vw_pid = 0;
DPRINTF(5, "VT_AUTO, ");
if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
cnavailable(vw->vw_terminal->consdev, TRUE);
/* were we in the middle of the vty switching process? */
if (finish_vt_rel(vw, TRUE, &s) == 0)
DPRINTF(5, "reset WAIT_REL, ");
if (finish_vt_acq(vw) == 0)
DPRINTF(5, "reset WAIT_ACQ, ");
return (0);
} else if (mode->mode == VT_PROCESS) {
if (!ISSIGVALID(mode->relsig) ||
!ISSIGVALID(mode->acqsig) ||
!ISSIGVALID(mode->frsig)) {
DPRINTF(5, "error EINVAL\n");
return (EINVAL);
}
DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
vw->vw_proc = td->td_proc;
vw->vw_pid = vw->vw_proc->p_pid;
if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
cnavailable(vw->vw_terminal->consdev, FALSE);
} else {
DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
mode->mode);
return (EINVAL);
}
DPRINTF(5, "\n");
return (0);
}
case VT_GETMODE: /* get screen switcher mode */
bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
return (0);
case VT_RELDISP: /* screen switcher ioctl */
/*
* This must be the current vty which is in the VT_PROCESS
* switching mode...
*/
if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
VT_PROCESS)) {
return (EINVAL);
}
/* ...and this process is controlling it. */
if (vw->vw_proc != td->td_proc) {
return (EPERM);
}
error = EINVAL;
switch(*(int *)data) {
case VT_FALSE: /* user refuses to release screen, abort */
if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
SC_DRIVER_NAME, VT_UNIT(vw));
break;
case VT_TRUE: /* user has released screen, go on */
/* finish_vt_rel(..., TRUE, ...) should not be locked */
if (vw->vw_flags & VWF_SWWAIT_REL) {
if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
SC_DRIVER_NAME, VT_UNIT(vw));
} else {
error = EINVAL;
}
return (error);
case VT_ACKACQ: /* acquire acknowledged, switch completed */
if ((error = finish_vt_acq(vw)) == 0)
DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
SC_DRIVER_NAME, VT_UNIT(vw));
break;
default:
break;
}
return (error);
}
return (ENOIOCTL);
}
static struct vt_window *
vt_allocate_window(struct vt_device *vd, unsigned int window)
{
struct vt_window *vw;
struct terminal *tm;
term_pos_t size;
struct winsize wsz;
vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
vw->vw_device = vd;
vw->vw_number = window;
vw->vw_kbdmode = K_XLATE;
if ((vd->vd_flags & VDF_TEXTMODE) == 0)
vw->vw_font = vtfont_ref(&vt_font_default);
vt_termsize(vd, vw->vw_font, &size);
vt_winsize(vd, vw->vw_font, &wsz);
vtbuf_init(&vw->vw_buf, &size);
tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
terminal_set_winsize(tm, &wsz);
vd->vd_windows[window] = vw;
callout_init(&vw->vw_proc_dead_timer, 0);
return (vw);
}
void
vt_upgrade(struct vt_device *vd)
{
struct vt_window *vw;
unsigned int i;
if (!vty_enabled(VTY_VT))
return;
for (i = 0; i < VT_MAXWINDOWS; i++) {
vw = vd->vd_windows[i];
if (vw == NULL) {
/* New window. */
vw = vt_allocate_window(vd, i);
}
if (!(vw->vw_flags & VWF_READY)) {
callout_init(&vw->vw_proc_dead_timer, 0);
terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
vw->vw_flags |= VWF_READY;
if (vw->vw_flags & VWF_CONSOLE) {
/* For existing console window. */
EVENTHANDLER_REGISTER(shutdown_pre_sync,
vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
}
}
}
VT_LOCK(vd);
if (vd->vd_curwindow == NULL)
vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
if (!(vd->vd_flags & VDF_ASYNC)) {
/* Attach keyboard. */
vt_allocate_keyboard(vd);
/* Init 25 Hz timer. */
callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
/* Start timer when everything ready. */
vd->vd_flags |= VDF_ASYNC;
callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
vd->vd_timer_armed = 1;
}
VT_UNLOCK(vd);
/* Refill settings with new sizes. */
vt_resize(vd);
}
static void
vt_resize(struct vt_device *vd)
{
struct vt_window *vw;
int i;
for (i = 0; i < VT_MAXWINDOWS; i++) {
vw = vd->vd_windows[i];
VT_LOCK(vd);
/* Assign default font to window, if not textmode. */
if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
vw->vw_font = vtfont_ref(&vt_font_default);
VT_UNLOCK(vd);
/* Resize terminal windows */
while (vt_change_font(vw, vw->vw_font) == EBUSY) {
DPRINTF(100, "%s: vt_change_font() is busy, "
"window %d\n", __func__, i);
}
}
}
void
vt_allocate(struct vt_driver *drv, void *softc)
{
struct vt_device *vd;
if (!vty_enabled(VTY_VT))
return;
if (main_vd->vd_driver == NULL) {
main_vd->vd_driver = drv;
printf("VT: initialize with new VT driver \"%s\".\n",
drv->vd_name);
} else {
/*
* Check if have rights to replace current driver. For example:
* it is bad idea to replace KMS driver with generic VGA one.
*/
if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
printf("VT: Driver priority %d too low. Current %d\n ",
drv->vd_priority, main_vd->vd_driver->vd_priority);
return;
}
printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
main_vd->vd_driver->vd_name, drv->vd_name);
}
vd = main_vd;
VT_LOCK(vd);
if (vd->vd_flags & VDF_ASYNC) {
/* Stop vt_flush periodic task. */
vt_suspend_flush_timer(vd);
/*
* Mute current terminal until we done. vt_change_font (called
* from vt_resize) will unmute it.
*/
terminal_mute(vd->vd_curwindow->vw_terminal, 1);
}
/*
* Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
* set it.
*/
vd->vd_flags &= ~VDF_TEXTMODE;
vd->vd_driver = drv;
vd->vd_softc = softc;
vd->vd_driver->vd_init(vd);
VT_UNLOCK(vd);
/* Update windows sizes and initialize last items. */
vt_upgrade(vd);
#ifdef DEV_SPLASH
if (vd->vd_flags & VDF_SPLASH)
vtterm_splash(vd);
#endif
if (vd->vd_flags & VDF_ASYNC) {
/* Allow to put chars now. */
terminal_mute(vd->vd_curwindow->vw_terminal, 0);
/* Rerun timer for screen updates. */
vt_resume_flush_timer(vd, 0);
}
/*
* Register as console. If it already registered, cnadd() will ignore
* it.
*/
termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
}
void
vt_suspend()
{
if (vt_suspendswitch == 0)
return;
/* Save current window. */
main_vd->vd_savedwindow = main_vd->vd_curwindow;
/* Ask holding process to free window and switch to console window */
vt_proc_window_switch(main_vd->vd_windows[VT_CONSWINDOW]);
}
void
vt_resume()
{
if (vt_suspendswitch == 0)
return;
/* Switch back to saved window */
if (main_vd->vd_savedwindow != NULL)
vt_proc_window_switch(main_vd->vd_savedwindow);
main_vd->vd_savedwindow = NULL;
}
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