[PATCH 07/10] VT : Import from FreeBSD
Vijay Kumar Banerjee
vijaykumar9597 at gmail.com
Fri Jul 26 11:22:53 UTC 2019
---
freebsd/sys/dev/vt/colors/vt_termcolors.c | 181 ++
freebsd/sys/dev/vt/hw/fb/vt_fb.c | 528 ++++
freebsd/sys/dev/vt/vt_core.c | 2933 +++++++++++++++++++++
3 files changed, 3642 insertions(+)
create mode 100644 freebsd/sys/dev/vt/colors/vt_termcolors.c
create mode 100644 freebsd/sys/dev/vt/hw/fb/vt_fb.c
create mode 100644 freebsd/sys/dev/vt/vt_core.c
diff --git a/freebsd/sys/dev/vt/colors/vt_termcolors.c b/freebsd/sys/dev/vt/colors/vt_termcolors.c
new file mode 100644
index 00000000..c7ef4b80
--- /dev/null
+++ b/freebsd/sys/dev/vt/colors/vt_termcolors.c
@@ -0,0 +1,181 @@
+#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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/libkern.h>
+
+#include <dev/vt/colors/vt_termcolors.h>
+
+static struct {
+ unsigned char r; /* Red percentage value. */
+ unsigned char g; /* Green percentage value. */
+ unsigned char b; /* Blue percentage value. */
+} color_def[NCOLORS] = {
+ {0, 0, 0}, /* black */
+ {50, 0, 0}, /* dark red */
+ {0, 50, 0}, /* dark green */
+ {77, 63, 0}, /* dark yellow */
+ {20, 40, 64}, /* dark blue */
+ {50, 0, 50}, /* dark magenta */
+ {0, 50, 50}, /* dark cyan */
+ {75, 75, 75}, /* light gray */
+
+ {18, 20, 21}, /* dark gray */
+ {100, 0, 0}, /* light red */
+ {0, 100, 0}, /* light green */
+ {100, 100, 0}, /* light yellow */
+ {45, 62, 81}, /* light blue */
+ {100, 0, 100}, /* light magenta */
+ {0, 100, 100}, /* light cyan */
+ {100, 100, 100}, /* white */
+};
+
+static int
+vt_parse_rgb_triplet(const char *rgb, unsigned char *r,
+ unsigned char *g, unsigned char *b)
+{
+ unsigned long v;
+ const char *ptr;
+ char *endptr;
+
+ ptr = rgb;
+
+ /* Handle #rrggbb case */
+ if (*ptr == '#') {
+ if (strlen(ptr) != 7)
+ return (-1);
+ v = strtoul(ptr + 1, &endptr, 16);
+ if (*endptr != '\0')
+ return (-1);
+
+ *r = (v >> 16) & 0xff;
+ *g = (v >> 8) & 0xff;
+ *b = v & 0xff;
+
+ return (0);
+ }
+
+ /* "r, g, b" case */
+ v = strtoul(ptr, &endptr, 10);
+ if (ptr == endptr)
+ return (-1);
+ if (v > 255)
+ return (-1);
+ *r = v & 0xff;
+ ptr = endptr;
+
+ /* skip separator */
+ while (*ptr == ',' || *ptr == ' ')
+ ptr++;
+
+ v = strtoul(ptr, &endptr, 10);
+ if (ptr == endptr)
+ return (-1);
+ if (v > 255)
+ return (-1);
+ *g = v & 0xff;
+ ptr = endptr;
+
+ /* skip separator */
+ while (*ptr == ',' || *ptr == ' ')
+ ptr++;
+
+ v = strtoul(ptr, &endptr, 10);
+ if (ptr == endptr)
+ return (-1);
+ if (v > 255)
+ return (-1);
+ *b = v & 0xff;
+ ptr = endptr;
+
+ /* skip trailing spaces */
+ while (*ptr == ' ')
+ ptr++;
+
+ /* unexpected characters at the end of the string */
+ if (*ptr != 0)
+ return (-1);
+
+ return (0);
+}
+
+static void
+vt_palette_init(void)
+{
+ int i;
+ char rgb[32];
+ char tunable[32];
+ unsigned char r, g, b;
+
+ for (i = 0; i < NCOLORS; i++) {
+ snprintf(tunable, sizeof(tunable),
+ "kern.vt.color.%d.rgb", i);
+ if (TUNABLE_STR_FETCH(tunable, rgb, sizeof(rgb))) {
+ if (vt_parse_rgb_triplet(rgb, &r, &g, &b) == 0) {
+ /* convert to percentages */
+ color_def[i].r = r*100/255;
+ color_def[i].g = g*100/255;
+ color_def[i].b = b*100/255;
+ }
+ }
+ }
+}
+
+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)
+{
+ int i;
+
+ switch (format) {
+ case COLOR_FORMAT_VGA:
+ for (i = 0; i < NCOLORS; i++)
+ palette[i] = cons_to_vga_colors[i];
+ break;
+ case COLOR_FORMAT_RGB:
+ vt_palette_init();
+#define CF(_f, _i) ((_f ## max * color_def[(_i)]._f / 100) << _f ## offset)
+ for (i = 0; i < NCOLORS; i++)
+ palette[i] = CF(r, i) | CF(g, i) | CF(b, i);
+#undef CF
+ break;
+ default:
+ return (ENODEV);
+ }
+
+ return (0);
+}
diff --git a/freebsd/sys/dev/vt/hw/fb/vt_fb.c b/freebsd/sys/dev/vt/hw/fb/vt_fb.c
new file mode 100644
index 00000000..8eb2744b
--- /dev/null
+++ b/freebsd/sys/dev/vt/hw/fb/vt_fb.c
@@ -0,0 +1,528 @@
+#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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/queue.h>
+#include <sys/fbio.h>
+#include <dev/vt/vt.h>
+#include <dev/vt/hw/fb/vt_fb.h>
+#include <dev/vt/colors/vt_termcolors.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+static struct vt_driver vt_fb_driver = {
+ .vd_name = "fb",
+ .vd_init = vt_fb_init,
+ .vd_fini = vt_fb_fini,
+ .vd_blank = vt_fb_blank,
+ .vd_bitblt_text = vt_fb_bitblt_text,
+ .vd_invalidate_text = vt_fb_invalidate_text,
+ .vd_bitblt_bmp = vt_fb_bitblt_bitmap,
+ .vd_drawrect = vt_fb_drawrect,
+ .vd_setpixel = vt_fb_setpixel,
+ .vd_postswitch = vt_fb_postswitch,
+ .vd_priority = VD_PRIORITY_GENERIC+10,
+ .vd_fb_ioctl = vt_fb_ioctl,
+ .vd_fb_mmap = vt_fb_mmap,
+ .vd_suspend = vt_fb_suspend,
+ .vd_resume = vt_fb_resume,
+};
+
+VT_DRIVER_DECLARE(vt_fb, vt_fb_driver);
+
+static void
+vt_fb_mem_wr1(struct fb_info *sc, uint32_t o, uint8_t v)
+{
+
+ KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
+ *(uint8_t *)(sc->fb_vbase + o) = v;
+}
+
+static void
+vt_fb_mem_wr2(struct fb_info *sc, uint32_t o, uint16_t v)
+{
+
+ KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
+ *(uint16_t *)(sc->fb_vbase + o) = v;
+}
+
+static void
+vt_fb_mem_wr4(struct fb_info *sc, uint32_t o, uint32_t v)
+{
+
+ KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
+ *(uint32_t *)(sc->fb_vbase + o) = v;
+}
+
+int
+vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data, struct thread *td)
+{
+ struct fb_info *info;
+ int error = 0;
+
+ info = vd->vd_softc;
+
+ 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 (vd->vd_driver->vd_blank == NULL)
+ return (ENODEV);
+ vd->vd_driver->vd_blank(vd, TC_BLACK);
+ break;
+
+ default:
+ error = ENOIOCTL;
+ break;
+ }
+
+ return (error);
+}
+
+int
+vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset, vm_paddr_t *paddr,
+ int prot, vm_memattr_t *memattr)
+{
+ struct fb_info *info;
+
+ info = vd->vd_softc;
+
+ 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;
+#ifdef VM_MEMATTR_WRITE_COMBINING
+ else
+ *memattr = VM_MEMATTR_WRITE_COMBINING;
+#endif
+ }
+ return (0);
+ }
+
+ return (EINVAL);
+}
+
+void
+vt_fb_setpixel(struct vt_device *vd, int x, int y, term_color_t color)
+{
+ struct fb_info *info;
+ uint32_t c;
+ u_int o;
+
+ info = vd->vd_softc;
+ c = info->fb_cmap[color];
+ o = info->fb_stride * y + x * FBTYPE_GET_BYTESPP(info);
+
+ if (info->fb_flags & FB_FLAG_NOWRITE)
+ return;
+
+ KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
+
+ switch (FBTYPE_GET_BYTESPP(info)) {
+ case 1:
+ vt_fb_mem_wr1(info, o, c);
+ break;
+ case 2:
+ vt_fb_mem_wr2(info, o, c);
+ break;
+ case 3:
+ vt_fb_mem_wr1(info, o, (c >> 16) & 0xff);
+ vt_fb_mem_wr1(info, o + 1, (c >> 8) & 0xff);
+ vt_fb_mem_wr1(info, o + 2, c & 0xff);
+ break;
+ case 4:
+ vt_fb_mem_wr4(info, o, c);
+ break;
+ default:
+ /* panic? */
+ return;
+ }
+}
+
+void
+vt_fb_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2, int fill,
+ term_color_t color)
+{
+ int x, y;
+
+ for (y = y1; y <= y2; y++) {
+ if (fill || (y == y1) || (y == y2)) {
+ for (x = x1; x <= x2; x++)
+ vt_fb_setpixel(vd, x, y, color);
+ } else {
+ vt_fb_setpixel(vd, x1, y, color);
+ vt_fb_setpixel(vd, x2, y, color);
+ }
+ }
+}
+
+void
+vt_fb_blank(struct vt_device *vd, term_color_t color)
+{
+ struct fb_info *info;
+ uint32_t c;
+ u_int o, h;
+
+ info = vd->vd_softc;
+ c = info->fb_cmap[color];
+
+ if (info->fb_flags & FB_FLAG_NOWRITE)
+ return;
+
+ KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
+
+ switch (FBTYPE_GET_BYTESPP(info)) {
+ case 1:
+ for (h = 0; h < info->fb_height; h++)
+ for (o = 0; o < info->fb_stride; o++)
+ vt_fb_mem_wr1(info, h*info->fb_stride + o, c);
+ break;
+ case 2:
+ for (h = 0; h < info->fb_height; h++)
+ for (o = 0; o < info->fb_stride; o += 2)
+ vt_fb_mem_wr2(info, h*info->fb_stride + o, c);
+ break;
+ case 3:
+ for (h = 0; h < info->fb_height; h++)
+ for (o = 0; o < info->fb_stride; o += 3) {
+ vt_fb_mem_wr1(info, h*info->fb_stride + o,
+ (c >> 16) & 0xff);
+ vt_fb_mem_wr1(info, h*info->fb_stride + o + 1,
+ (c >> 8) & 0xff);
+ vt_fb_mem_wr1(info, h*info->fb_stride + o + 2,
+ c & 0xff);
+ }
+ break;
+ case 4:
+ for (h = 0; h < info->fb_height; h++)
+ for (o = 0; o < info->fb_stride; o += 4)
+ vt_fb_mem_wr4(info, h*info->fb_stride + o, c);
+ break;
+ default:
+ /* panic? */
+ return;
+ }
+}
+
+void
+vt_fb_bitblt_bitmap(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)
+{
+ struct fb_info *info;
+ uint32_t fgc, bgc, cc, o;
+ int bpp, bpl, xi, yi;
+ int bit, byte;
+
+ info = vd->vd_softc;
+ bpp = FBTYPE_GET_BYTESPP(info);
+ fgc = info->fb_cmap[fg];
+ bgc = info->fb_cmap[bg];
+ bpl = (width + 7) / 8; /* Bytes per source line. */
+
+ if (info->fb_flags & FB_FLAG_NOWRITE)
+ return;
+
+ KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
+
+ /* Bound by right and bottom edges. */
+ if (y + height > vw->vw_draw_area.tr_end.tp_row) {
+ if (y >= vw->vw_draw_area.tr_end.tp_row)
+ return;
+ height = vw->vw_draw_area.tr_end.tp_row - y;
+ }
+ if (x + width > vw->vw_draw_area.tr_end.tp_col) {
+ if (x >= vw->vw_draw_area.tr_end.tp_col)
+ return;
+ width = vw->vw_draw_area.tr_end.tp_col - x;
+ }
+ for (yi = 0; yi < height; yi++) {
+ for (xi = 0; xi < width; xi++) {
+ byte = yi * bpl + xi / 8;
+ bit = 0x80 >> (xi % 8);
+ /* Skip pixel write, if mask bit not set. */
+ if (mask != NULL && (mask[byte] & bit) == 0)
+ continue;
+ o = (y + yi) * info->fb_stride + (x + xi) * bpp;
+ o += vd->vd_transpose;
+ cc = pattern[byte] & bit ? fgc : bgc;
+
+ switch(bpp) {
+ case 1:
+ vt_fb_mem_wr1(info, o, cc);
+ break;
+ case 2:
+ vt_fb_mem_wr2(info, o, cc);
+ break;
+ case 3:
+ /* Packed mode, so unaligned. Byte access. */
+ vt_fb_mem_wr1(info, o, (cc >> 16) & 0xff);
+ vt_fb_mem_wr1(info, o + 1, (cc >> 8) & 0xff);
+ vt_fb_mem_wr1(info, o + 2, cc & 0xff);
+ break;
+ case 4:
+ vt_fb_mem_wr4(info, o, cc);
+ break;
+ default:
+ /* panic? */
+ break;
+ }
+ }
+ }
+}
+
+void
+vt_fb_bitblt_text(struct vt_device *vd, const struct vt_window *vw,
+ const term_rect_t *area)
+{
+ unsigned int col, row, x, y;
+ struct vt_font *vf;
+ term_char_t c;
+ term_color_t fg, bg;
+ const uint8_t *pattern;
+ size_t z;
+
+ vf = vw->vw_font;
+
+ for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
+ for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col;
+ ++col) {
+ x = col * vf->vf_width +
+ vw->vw_draw_area.tr_begin.tp_col;
+ y = row * vf->vf_height +
+ vw->vw_draw_area.tr_begin.tp_row;
+
+ c = VTBUF_GET_FIELD(&vw->vw_buf, row, col);
+ pattern = vtfont_lookup(vf, c);
+ vt_determine_colors(c,
+ VTBUF_ISCURSOR(&vw->vw_buf, row, col), &fg, &bg);
+
+ z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col;
+ if (vd->vd_drawn && (vd->vd_drawn[z] == c) &&
+ vd->vd_drawnfg && (vd->vd_drawnfg[z] == fg) &&
+ vd->vd_drawnbg && (vd->vd_drawnbg[z] == bg))
+ continue;
+
+ vt_fb_bitblt_bitmap(vd, vw,
+ pattern, NULL, vf->vf_width, vf->vf_height,
+ x, y, fg, bg);
+
+ if (vd->vd_drawn)
+ vd->vd_drawn[z] = c;
+ if (vd->vd_drawnfg)
+ vd->vd_drawnfg[z] = fg;
+ if (vd->vd_drawnbg)
+ vd->vd_drawnbg[z] = bg;
+ }
+ }
+
+#ifndef SC_NO_CUTPASTE
+ if (!vd->vd_mshown)
+ return;
+
+ term_rect_t drawn_area;
+
+ drawn_area.tr_begin.tp_col = area->tr_begin.tp_col * vf->vf_width;
+ drawn_area.tr_begin.tp_row = area->tr_begin.tp_row * vf->vf_height;
+ drawn_area.tr_end.tp_col = area->tr_end.tp_col * vf->vf_width;
+ drawn_area.tr_end.tp_row = area->tr_end.tp_row * vf->vf_height;
+
+ if (vt_is_cursor_in_area(vd, &drawn_area)) {
+ vt_fb_bitblt_bitmap(vd, vw,
+ vd->vd_mcursor->map, vd->vd_mcursor->mask,
+ vd->vd_mcursor->width, vd->vd_mcursor->height,
+ vd->vd_mx_drawn + vw->vw_draw_area.tr_begin.tp_col,
+ vd->vd_my_drawn + vw->vw_draw_area.tr_begin.tp_row,
+ vd->vd_mcursor_fg, vd->vd_mcursor_bg);
+ }
+#endif
+}
+
+void
+vt_fb_invalidate_text(struct vt_device *vd, const term_rect_t *area)
+{
+ unsigned int col, row;
+ size_t z;
+
+ for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
+ for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col;
+ ++col) {
+ z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col;
+ if (vd->vd_drawn)
+ vd->vd_drawn[z] = 0;
+ if (vd->vd_drawnfg)
+ vd->vd_drawnfg[z] = 0;
+ if (vd->vd_drawnbg)
+ vd->vd_drawnbg[z] = 0;
+ }
+ }
+}
+
+void
+vt_fb_postswitch(struct vt_device *vd)
+{
+ struct fb_info *info;
+
+ info = vd->vd_softc;
+
+ if (info->enter != NULL)
+ info->enter(info->fb_priv);
+}
+
+static int
+vt_fb_init_cmap(uint32_t *cmap, int depth)
+{
+
+ switch (depth) {
+ case 8:
+ return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
+ 0x7, 5, 0x7, 2, 0x3, 0));
+ case 15:
+ return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
+ 0x1f, 10, 0x1f, 5, 0x1f, 0));
+ case 16:
+ return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
+ 0x1f, 11, 0x3f, 5, 0x1f, 0));
+ case 24:
+ case 32: /* Ignore alpha. */
+ return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
+ 0xff, 16, 0xff, 8, 0xff, 0));
+ default:
+ return (1);
+ }
+}
+
+int
+vt_fb_init(struct vt_device *vd)
+{
+ struct fb_info *info;
+ u_int margin;
+ int err;
+
+ info = vd->vd_softc;
+ vd->vd_height = MIN(VT_FB_MAX_HEIGHT, info->fb_height);
+ margin = (info->fb_height - vd->vd_height) >> 1;
+ vd->vd_transpose = margin * info->fb_stride;
+ vd->vd_width = MIN(VT_FB_MAX_WIDTH, info->fb_width);
+ margin = (info->fb_width - vd->vd_width) >> 1;
+ vd->vd_transpose += margin * (info->fb_bpp / NBBY);
+ vd->vd_video_dev = info->fb_video_dev;
+
+ if (info->fb_size == 0)
+ return (CN_DEAD);
+
+ if (info->fb_pbase == 0 && info->fb_vbase == 0)
+ info->fb_flags |= FB_FLAG_NOMMAP;
+
+ if (info->fb_cmsize <= 0) {
+ err = vt_fb_init_cmap(info->fb_cmap, FBTYPE_GET_BPP(info));
+ if (err)
+ return (CN_DEAD);
+ info->fb_cmsize = 16;
+ }
+
+ /* Clear the screen. */
+ vd->vd_driver->vd_blank(vd, TC_BLACK);
+
+ /* Wakeup screen. KMS need this. */
+ vt_fb_postswitch(vd);
+
+ return (CN_INTERNAL);
+}
+
+void
+vt_fb_fini(struct vt_device *vd, void *softc)
+{
+
+ vd->vd_video_dev = NULL;
+}
+
+int
+vt_fb_attach(struct fb_info *info)
+{
+
+ vt_allocate(&vt_fb_driver, info);
+
+ return (0);
+}
+
+int
+vt_fb_detach(struct fb_info *info)
+{
+
+ vt_deallocate(&vt_fb_driver, info);
+
+ return (0);
+}
+
+void
+vt_fb_suspend(struct vt_device *vd)
+{
+
+ vt_suspend(vd);
+}
+
+void
+vt_fb_resume(struct vt_device *vd)
+{
+
+ vt_resume(vd);
+}
diff --git a/freebsd/sys/dev/vt/vt_core.c b/freebsd/sys/dev/vt/vt_core.c
new file mode 100644
index 00000000..5f2b1b0e
--- /dev/null
+++ b/freebsd/sys/dev/vt/vt_core.c
@@ -0,0 +1,2933 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#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/power.h>
+#include <sys/priv.h>
+#include <sys/proc.h>
+#include <sys/random.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_pre_input_t vtterm_pre_input;
+static tc_post_input_t vtterm_post_input;
+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_cngrab_t vtterm_cngrab;
+static tc_cnungrab_t vtterm_cnungrab;
+
+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_pre_input = vtterm_pre_input,
+ .tc_post_input = vtterm_post_input,
+ .tc_param = vtterm_param,
+ .tc_done = vtterm_done,
+
+ .tc_cnprobe = vtterm_cnprobe,
+ .tc_cngetc = vtterm_cngetc,
+
+ .tc_cngrab = vtterm_cngrab,
+ .tc_cnungrab = vtterm_cnungrab,
+
+ .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_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");
+static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
+static VT_SYSCTL_INT(enable_bell, 1, "Enable bell");
+static VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
+static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
+static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
+
+/* Allow to disable some keyboard combinations. */
+static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. "
+ "See kbdmap(5) to configure.");
+static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. "
+ "See kbdmap(5) to configure.");
+static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. "
+ "See kbdmap(5) to configure (typically Ctrl-Alt-Delete).");
+static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. "
+ "See kbdmap(5) to configure (typically Ctrl-Alt-Esc).");
+static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. "
+ "See kbdmap(5) to configure.");
+
+/* Used internally, not a tunable. */
+int vt_draw_logo_cpus;
+VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot");
+VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed "
+ "(0 = do not override)");
+VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style "
+ "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)");
+VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)");
+
+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[];
+#ifndef DEV_SPLASH
+#define vtterm_draw_cpu_logos(...) do {} while (0)
+const unsigned int vt_logo_sprite_height;
+#endif
+
+/* 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 *);
+#ifndef SC_NO_CUTPASTE
+static void vt_mouse_paste(void);
+#endif
+static void vt_suspend_handler(void *priv);
+static void vt_resume_handler(void *priv);
+
+SET_DECLARE(vt_drv_set, struct vt_driver);
+
+#define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT))
+#define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH))
+
+struct terminal vt_consterm;
+static struct vt_window vt_conswindow;
+#ifndef SC_NO_CONSDRAWN
+static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)];
+static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)];
+static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)];
+#endif
+struct vt_device vt_consdev = {
+ .vd_driver = NULL,
+ .vd_softc = NULL,
+ .vd_prev_driver = NULL,
+ .vd_prev_softc = NULL,
+ .vd_flags = VDF_INVALID,
+ .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
+ .vd_curwindow = &vt_conswindow,
+ .vd_kbstate = 0,
+#ifndef SC_NO_CUTPASTE
+ .vd_pastebuf = {
+ .vpb_buf = NULL,
+ .vpb_bufsz = 0,
+ .vpb_len = 0
+ },
+ .vd_mcursor = &vt_default_mouse_pointer,
+ .vd_mcursor_fg = TC_WHITE,
+ .vd_mcursor_bg = TC_BLACK,
+#endif
+
+#ifndef SC_NO_CONSDRAWN
+ .vd_drawn = vt_consdrawn,
+ .vd_drawnfg = vt_consdrawnfg,
+ .vd_drawnbg = vt_consdrawnbg,
+#endif
+};
+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,
+ .vw_grabbed = 0,
+};
+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(%s): %s %ux%u\n", main_vd->vd_driver->vd_name,
+ (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution",
+ main_vd->vd_width, main_vd->vd_height);
+ 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));
+}
+
+void
+vt_resume_flush_timer(struct vt_window *vw, int ms)
+{
+ struct vt_device *vd = vw->vw_device;
+
+ if (vd->vd_curwindow != vw)
+ return;
+
+ if (!(vd->vd_flags & VDF_ASYNC) ||
+ !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)
+{
+ /*
+ * As long as this function is called locked, callout_stop()
+ * has the same effect like callout_drain() with regard to
+ * preventing the callback function from executing.
+ */
+ VT_LOCK_ASSERT(vd, MA_OWNED);
+
+ if (!(vd->vd_flags & VDF_ASYNC) ||
+ !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0))
+ return;
+
+ callout_stop(&vd->vd_timer);
+}
+
+static void
+vt_switch_timer(void *arg)
+{
+
+ vt_late_window_switch((struct vt_window *)arg);
+}
+
+static int
+vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
+{
+ int mode, ret;
+
+ mode = 0;
+ ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode);
+ if (ret == ENOIOCTL)
+ ret = ENODEV;
+ if (ret != 0)
+ return (ret);
+
+ vw->vw_kbdmode = mode;
+
+ return (0);
+}
+
+static int
+vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
+{
+ int ret;
+
+ ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode);
+ if (ret == ENOIOCTL)
+ ret = ENODEV;
+
+ return (ret);
+}
+
+static int
+vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd)
+{
+ int state, ret;
+
+ state = 0;
+ ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
+ if (ret == ENOIOCTL)
+ ret = ENODEV;
+ if (ret != 0)
+ return (ret);
+
+ vw->vw_kbdstate &= ~LOCK_MASK;
+ vw->vw_kbdstate |= state & LOCK_MASK;
+
+ return (0);
+}
+
+static int
+vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd)
+{
+ int state, ret;
+
+ state = vw->vw_kbdstate & LOCK_MASK;
+ ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state);
+ if (ret == ENOIOCTL)
+ ret = ENODEV;
+
+ return (ret);
+}
+
+static int
+vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
+{
+ int leds, ret;
+
+ leds = 0;
+ ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds);
+ if (ret == ENOIOCTL)
+ ret = ENODEV;
+ if (ret != 0)
+ return (ret);
+
+ vw->vw_kbdstate &= ~LED_MASK;
+ vw->vw_kbdstate |= leds & LED_MASK;
+
+ return (0);
+}
+
+static int
+vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
+{
+ int leds, ret;
+
+ leds = vw->vw_kbdstate & LED_MASK;
+ ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds);
+ if (ret == ENOIOCTL)
+ ret = ENODEV;
+
+ return (ret);
+}
+
+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;
+
+ /* Prevent switching to NULL */
+ if (vw == NULL) {
+ DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__);
+ return (EINVAL);
+ }
+ vd = vw->vw_device;
+ curvw = vd->vd_curwindow;
+
+ /* Check if virtual terminal is locked */
+ if (curvw->vw_flags & VWF_VTYLOCK)
+ return (EBUSY);
+
+ /* Check if switch already in progress */
+ if (curvw->vw_flags & VWF_SWWAIT_REL) {
+ /* Check if switching to same window */
+ if (curvw->vw_switch_to == vw) {
+ DPRINTF(30, "%s: Switch in progress to same vw.", __func__);
+ return (0); /* success */
+ }
+ DPRINTF(30, "%s: Switch in progress to different vw.", __func__);
+ return (EBUSY);
+ }
+
+ /* Avoid switching to already selected window */
+ if (vw == curvw) {
+ DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__);
+ return (0); /* success */
+ }
+
+ /* Ask current process permission 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;
+
+ if (kdb_active) {
+ /*
+ * When grabbing the console for the debugger, avoid
+ * locks as that can result in deadlock. While this
+ * could use try locks, that wouldn't really make a
+ * difference as there are sufficient barriers in
+ * debugger entry/exit to be equivalent to
+ * successfully try-locking here.
+ */
+ if (curvw == vw)
+ return (0);
+ if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)))
+ return (EINVAL);
+
+ vd->vd_curwindow = vw;
+ vd->vd_flags |= VDF_INVALID;
+ if (vd->vd_driver->vd_postswitch)
+ vd->vd_driver->vd_postswitch(vd);
+ return (0);
+ }
+
+ 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(vw, 0);
+
+ /* Restore per-window keyboard mode. */
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL) {
+ if (curvw->vw_kbdmode == K_XLATE)
+ vt_save_kbd_state(curvw, kbd);
+
+ vt_update_kbd_mode(vw, kbd);
+ vt_update_kbd_state(vw, kbd);
+ }
+ mtx_unlock(&Giant);
+ DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
+
+ return (0);
+}
+
+void
+vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
+{
+
+ size->tp_row = vd->vd_height;
+ if (vt_draw_logo_cpus)
+ size->tp_row -= vt_logo_sprite_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_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect)
+{
+
+ rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0;
+ if (vt_draw_logo_cpus)
+ rect->tr_begin.tp_row = vt_logo_sprite_height;
+
+ rect->tr_end.tp_row = vd->vd_height;
+ rect->tr_end.tp_col = vd->vd_width;
+
+ if (vf != NULL) {
+ rect->tr_begin.tp_row =
+ howmany(rect->tr_begin.tp_row, vf->vf_height);
+
+ rect->tr_end.tp_row /= vf->vf_height;
+ rect->tr_end.tp_col /= vf->vf_width;
+ }
+}
+
+void
+vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
+{
+
+ size->ws_ypixel = vd->vd_height;
+ if (vt_draw_logo_cpus)
+ size->ws_ypixel -= vt_logo_sprite_height;
+ size->ws_row = size->ws_ypixel;
+ size->ws_col = size->ws_xpixel = vd->vd_width;
+ if (vf != NULL) {
+ size->ws_row /= vf->vf_height;
+ size->ws_col /= vf->vf_width;
+ }
+}
+
+void
+vt_compute_drawable_area(struct vt_window *vw)
+{
+ struct vt_device *vd;
+ struct vt_font *vf;
+ vt_axis_t height;
+
+ vd = vw->vw_device;
+
+ if (vw->vw_font == NULL) {
+ vw->vw_draw_area.tr_begin.tp_col = 0;
+ vw->vw_draw_area.tr_begin.tp_row = 0;
+ if (vt_draw_logo_cpus)
+ vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height;
+ vw->vw_draw_area.tr_end.tp_col = vd->vd_width;
+ vw->vw_draw_area.tr_end.tp_row = vd->vd_height;
+ return;
+ }
+
+ vf = vw->vw_font;
+
+ /*
+ * Compute the drawable area, so that the text is centered on
+ * the screen.
+ */
+
+ height = vd->vd_height;
+ if (vt_draw_logo_cpus)
+ height -= vt_logo_sprite_height;
+ vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2;
+ vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2;
+ if (vt_draw_logo_cpus)
+ vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height;
+ vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col +
+ rounddown(vd->vd_width, vf->vf_width);
+ vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row +
+ rounddown(height, vf->vf_height);
+}
+
+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);
+ if (diff)
+ vw->vw_device->vd_flags |= VDF_INVALID;
+ vt_resume_flush_timer(vw, 0);
+}
+
+static int
+vt_machine_kbdevent(int c)
+{
+
+ switch (c) {
+ case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */
+ if (vt_kbd_debug)
+ kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
+ return (1);
+ case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */
+ if (vt_kbd_halt)
+ shutdown_nice(RB_HALT);
+ return (1);
+ case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */
+#ifndef SC_NO_CUTPASTE
+ /* Insert text from cut-paste buffer. */
+ vt_mouse_paste();
+#endif
+ break;
+ case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */
+ if (vt_kbd_poweroff)
+ shutdown_nice(RB_HALT|RB_POWEROFF);
+ return (1);
+ case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */
+ /*
+ * Request to immediate panic if sysctl
+ * kern.vt.enable_panic_key allow it.
+ */
+ if (vt_kbd_panic)
+ panic("Forced by the panic key");
+ return (1);
+ case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */
+ if (vt_kbd_reboot)
+ shutdown_nice(RB_AUTOBOOT);
+ return (1);
+ case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */
+ /* Force activatation/deactivation of the screen saver. */
+ /* TODO */
+ return (1);
+ case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */
+ /* Put machine into Stand-By mode. */
+ power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
+ return (1);
+ case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */
+ /* Suspend machine. */
+ power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
+ 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];
+ 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;
+
+ random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD);
+#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];
+ vt_proc_window_switch(vw);
+ return (0);
+ }
+
+ switch (c) {
+ case NEXT:
+ /* Switch to next VT. */
+ c = (vw->vw_number + 1) % VT_MAXWINDOWS;
+ vw = vd->vd_windows[c];
+ vt_proc_window_switch(vw);
+ return (0);
+ case PREV:
+ /* Switch to previous VT. */
+ c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS;
+ vw = vd->vd_windows[c];
+ vt_proc_window_switch(vw);
+ return (0);
+ case SLK: {
+ vt_save_kbd_state(vw, kbd);
+ VT_LOCK(vd);
+ if (vw->vw_kbdstate & 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
+#if defined(KDB)
+ kdb_alt_break(c, &vd->vd_altbrk);
+#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);
+ 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));
+ strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name));
+ ki.kb_name[sizeof(ki.kb_name) - 1] = '\0';
+ 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);
+ }
+ }
+ vd->vd_keyboard = idx0;
+ 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 (!vt_enable_bell)
+ return;
+
+ 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 (!vt_enable_bell)
+ return;
+
+ 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(&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_SETLOCALCURSOR:
+ /*
+ * 0 means normal (usually block), 1 means hidden, and
+ * 2 means blinking (always block) for compatibility with
+ * syscons. We don't support any changes except hiding,
+ * so must map 2 to 0.
+ */
+ arg = (arg == 1) ? 0 : 1;
+ /* FALLTHROUGH */
+ case TP_SHOWCURSOR:
+ vtbuf_cursor_visibility(&vw->vw_buf, arg);
+ vt_resume_flush_timer(vw, 0);
+ 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_BLINK)
+ *bg = TCOLOR_LIGHT(*bg);
+
+ if (TCHAR_FORMAT(c) & TF_REVERSE)
+ invert ^= 1;
+ if (cursor)
+ invert ^= 1;
+
+ if (invert) {
+ tmp = *fg;
+ *fg = *bg;
+ *bg = tmp;
+ }
+}
+
+#ifndef SC_NO_CUTPASTE
+int
+vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
+{
+ unsigned int mx, my;
+
+ /*
+ * We use the cursor position saved during the current refresh,
+ * in case the cursor moved since.
+ */
+ mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
+ my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
+
+ if (mx >= area->tr_end.tp_col ||
+ mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
+ my >= area->tr_end.tp_row ||
+ my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
+ return (0);
+ return (1);
+}
+
+static void
+vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked)
+{
+ term_rect_t area;
+ struct vt_window *vw;
+ struct vt_font *vf;
+ int x, y;
+
+ vw = vd->vd_curwindow;
+ vf = vw->vw_font;
+
+ x = vd->vd_mx_drawn;
+ y = vd->vd_my_drawn;
+
+ if (vf != NULL) {
+ area.tr_begin.tp_col = x / vf->vf_width;
+ area.tr_begin.tp_row = y / vf->vf_height;
+ area.tr_end.tp_col =
+ ((x + vd->vd_mcursor->width) / vf->vf_width) + 1;
+ area.tr_end.tp_row =
+ ((y + vd->vd_mcursor->height) / vf->vf_height) + 1;
+ } else {
+ /*
+ * No font loaded (ie. vt_vga operating in textmode).
+ *
+ * FIXME: This fake area needs to be revisited once the
+ * mouse cursor is supported in vt_vga's textmode.
+ */
+ area.tr_begin.tp_col = x;
+ area.tr_begin.tp_row = y;
+ area.tr_end.tp_col = x + 2;
+ area.tr_end.tp_row = y + 2;
+ }
+
+ if (!locked)
+ vtbuf_lock(&vw->vw_buf);
+ if (vd->vd_driver->vd_invalidate_text)
+ vd->vd_driver->vd_invalidate_text(vd, &area);
+ vtbuf_dirty(&vw->vw_buf, &area);
+ if (!locked)
+ vtbuf_unlock(&vw->vw_buf);
+}
+#endif
+
+static void
+vt_set_border(struct vt_device *vd, const term_rect_t *area,
+ const term_color_t c)
+{
+ vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect;
+
+ if (drawrect == NULL)
+ return;
+
+ /* Top bar */
+ if (area->tr_begin.tp_row > 0)
+ drawrect(vd, 0, 0, vd->vd_width - 1,
+ area->tr_begin.tp_row - 1, 1, c);
+
+ /* Left bar */
+ if (area->tr_begin.tp_col > 0)
+ drawrect(vd, 0, area->tr_begin.tp_row,
+ area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c);
+
+ /* Right bar */
+ if (area->tr_end.tp_col < vd->vd_width)
+ drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row,
+ vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c);
+
+ /* Bottom bar */
+ if (area->tr_end.tp_row < vd->vd_height)
+ drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1,
+ vd->vd_height - 1, 1, c);
+}
+
+static int
+vt_flush(struct vt_device *vd)
+{
+ struct vt_window *vw;
+ struct vt_font *vf;
+ term_rect_t tarea;
+#ifndef SC_NO_CUTPASTE
+ int cursor_was_shown, cursor_moved;
+#endif
+
+ vw = vd->vd_curwindow;
+ if (vw == NULL)
+ return (0);
+
+ if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
+ return (0);
+
+ vf = vw->vw_font;
+ if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
+ return (0);
+
+ vtbuf_lock(&vw->vw_buf);
+
+#ifndef SC_NO_CUTPASTE
+ cursor_was_shown = vd->vd_mshown;
+ cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
+ vd->vd_my != vd->vd_my_drawn);
+
+ /* Check if the cursor should be displayed or not. */
+ if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
+ !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
+ !kdb_active && panicstr == NULL) { /* DDB inactive. */
+ vd->vd_mshown = 1;
+ } else {
+ vd->vd_mshown = 0;
+ }
+
+ /*
+ * If the cursor changed display state or moved, we must mark
+ * the old position as dirty, so that it's erased.
+ */
+ if (cursor_was_shown != vd->vd_mshown ||
+ (vd->vd_mshown && cursor_moved))
+ vt_mark_mouse_position_as_dirty(vd, true);
+
+ /*
+ * Save position of the mouse cursor. It's used by backends to
+ * know where to draw the cursor and during the next refresh to
+ * erase the previous position.
+ */
+ vd->vd_mx_drawn = vd->vd_mx;
+ vd->vd_my_drawn = vd->vd_my;
+
+ /*
+ * If the cursor is displayed and has moved since last refresh,
+ * mark the new position as dirty.
+ */
+ if (vd->vd_mshown && cursor_moved)
+ vt_mark_mouse_position_as_dirty(vd, true);
+#endif
+
+ vtbuf_undirty(&vw->vw_buf, &tarea);
+
+ /* Force a full redraw when the screen contents might be invalid. */
+ if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) {
+ vd->vd_flags &= ~VDF_INVALID;
+
+ vt_set_border(vd, &vw->vw_draw_area, TC_BLACK);
+ vt_termrect(vd, vf, &tarea);
+ if (vd->vd_driver->vd_invalidate_text)
+ vd->vd_driver->vd_invalidate_text(vd, &tarea);
+ if (vt_draw_logo_cpus)
+ vtterm_draw_cpu_logos(vd);
+ }
+
+ if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
+ vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
+ vtbuf_unlock(&vw->vw_buf);
+ return (1);
+ }
+
+ vtbuf_unlock(&vw->vw_buf);
+ return (0);
+}
+
+static void
+vt_timer(void *arg)
+{
+ struct vt_device *vd;
+ int changed;
+
+ vd = arg;
+ /* Update screen if required. */
+ changed = vt_flush(vd);
+
+ /* Schedule for next update. */
+ if (changed)
+ vt_schedule_flush(vd, 0);
+ else
+ vd->vd_timer_armed = 0;
+}
+
+static void
+vtterm_pre_input(struct terminal *tm)
+{
+ struct vt_window *vw = tm->tm_softc;
+
+ vtbuf_lock(&vw->vw_buf);
+}
+
+static void
+vtterm_post_input(struct terminal *tm)
+{
+ struct vt_window *vw = tm->tm_softc;
+
+ vtbuf_unlock(&vw->vw_buf);
+ vt_resume_flush_timer(vw, 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_bitblt_bmp(vd, vd->vd_curwindow,
+ vt_logo_image, NULL, vt_logo_width, vt_logo_height,
+ left, top, TC_WHITE, TC_BLACK);
+ }
+ 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);
+ vt_compute_drawable_area(vw);
+ }
+
+ /*
+ * The original screen size was faked (_VTDEFW x _VTDEFH). Now
+ * that we have the real viewable size, fix it in the static
+ * buffer.
+ */
+ if (vd->vd_width != 0 && vd->vd_height != 0)
+ vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
+
+ 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
+ if (!vt_splash_cpu)
+ 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;
+ u_int c;
+
+ if (vw->vw_kbdsq && *vw->vw_kbdsq)
+ return (*vw->vw_kbdsq++);
+
+ /* 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 */
+ vw->vw_kbdmode = K_XLATE;
+ vt_update_kbd_mode(vw, kbd);
+
+ /* 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:
+ vt_save_kbd_state(vw, kbd);
+ if (vw->vw_kbdstate & 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_cngrab(struct terminal *tm)
+{
+ struct vt_device *vd;
+ struct vt_window *vw;
+ keyboard_t *kbd;
+
+ vw = tm->tm_softc;
+ vd = vw->vw_device;
+
+ if (!cold)
+ vt_window_switch(vw);
+
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd == NULL)
+ return;
+
+ if (vw->vw_grabbed++ > 0)
+ return;
+
+ /*
+ * Make sure the keyboard is accessible even when the kbd device
+ * driver is disabled.
+ */
+ kbdd_enable(kbd);
+
+ /* We shall always use the keyboard in the XLATE mode here. */
+ vw->vw_prev_kbdmode = vw->vw_kbdmode;
+ vw->vw_kbdmode = K_XLATE;
+ vt_update_kbd_mode(vw, kbd);
+
+ kbdd_poll(kbd, TRUE);
+}
+
+static void
+vtterm_cnungrab(struct terminal *tm)
+{
+ struct vt_device *vd;
+ struct vt_window *vw;
+ keyboard_t *kbd;
+
+ vw = tm->tm_softc;
+ vd = vw->vw_device;
+
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd == NULL)
+ return;
+
+ if (--vw->vw_grabbed > 0)
+ return;
+
+ kbdd_poll(kbd, FALSE);
+
+ vw->vw_kbdmode = vw->vw_prev_kbdmode;
+ vt_update_kbd_mode(vw, kbd);
+ kbdd_disable(kbd);
+}
+
+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);
+ }
+ vw->vw_flags |= VWF_BUSY;
+ VT_UNLOCK(vd);
+
+ vt_termsize(vd, vf, &size);
+ vt_winsize(vd, vf, &wsz);
+
+ /* 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_set_cursor(tm, &vw->vw_buf.vb_cursor);
+ terminal_mute(tm, 0);
+
+ /* Actually apply the font to the current window. */
+ VT_LOCK(vd);
+ if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
+ /*
+ * 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);
+ }
+
+ /*
+ * Compute the drawable area and move the mouse cursor inside
+ * it, in case the new area is smaller than the previous one.
+ */
+ vt_compute_drawable_area(vw);
+ vd->vd_mx = min(vd->vd_mx,
+ vw->vw_draw_area.tr_end.tp_col -
+ vw->vw_draw_area.tr_begin.tp_col - 1);
+ vd->vd_my = min(vd->vd_my,
+ vw->vw_draw_area.tr_end.tp_row -
+ vw->vw_draw_area.tr_begin.tp_row - 1);
+
+ /* Force a full redraw the next timer tick. */
+ if (vd->vd_curwindow == vw) {
+ vd->vd_flags |= VDF_INVALID;
+ vt_resume_flush_timer(vw, 0);
+ }
+ vw->vw_flags &= ~VWF_BUSY;
+ VT_UNLOCK(vd);
+ 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
+ }
+}
+
+static void
+vt_mouse_paste()
+{
+ term_char_t *buf;
+ int i, len;
+
+ len = VD_PASTEBUFLEN(main_vd);
+ buf = VD_PASTEBUF(main_vd);
+ len /= sizeof(term_char_t);
+ for (i = 0; i < len; i++) {
+ if (buf[i] == '\0')
+ continue;
+ terminal_input_char(main_vd->vd_curwindow->vw_terminal,
+ buf[i]);
+ }
+}
+
+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;
+ int len, mark;
+
+ vd = main_vd;
+ vw = vd->vd_curwindow;
+ vf = vw->vw_font;
+ mark = 0;
+
+ if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
+ /*
+ * Either the mouse is disabled, or the window is in
+ * "graphics mode". The graphics mode is usually set by
+ * an X server, using the KDSETMODE ioctl.
+ */
+ return;
+
+ 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);
+
+ vt_resume_flush_timer(vw, 0);
+ 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:
+ vt_mouse_paste();
+ 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.
+ */
+ vt_resume_flush_timer(vw, 0);
+
+ switch (mark) {
+ case VTB_MARK_END:
+ case VTB_MARK_WORD:
+ case VTB_MARK_ROW:
+ case VTB_MARK_EXTEND:
+ break;
+ default:
+ /* Other types of mark do not require to copy data. */
+ return;
+ }
+
+ /* Get current selection size in bytes. */
+ len = vtbuf_get_marked_len(&vw->vw_buf);
+ if (len <= 0)
+ return;
+
+ /* Reallocate buffer only if old one is too small. */
+ if (len > VD_PASTEBUFSZ(vd)) {
+ VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
+ M_WAITOK | M_ZERO);
+ /* Update buffer size. */
+ VD_PASTEBUFSZ(vd) = len;
+ }
+ /* Request copy/paste buffer data, no more than `len' */
+ vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
+ VD_PASTEBUFSZ(vd));
+
+ VD_PASTEBUFLEN(vd) = len;
+
+ /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
+ }
+}
+
+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. */
+ vt_mark_mouse_position_as_dirty(vd, false);
+ vt_resume_flush_timer(vw, 0);
+}
+#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);
+ /* FALLTHROUGH */
+ case GIO_KEYMAP:
+ case PIO_KEYMAP:
+ case GIO_DEADKEYMAP:
+ case PIO_DEADKEYMAP:
+ case GETFKEY:
+ case SETFKEY:
+ case KDGKBINFO:
+ case KDGKBTYPE:
+ case KDGETREPEAT: /* get keyboard repeat & delay rates */
+ case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
+ 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 KDGKBSTATE: { /* get keyboard state (locks) */
+ error = 0;
+
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ error = vt_save_kbd_state(vw, kbd);
+ mtx_unlock(&Giant);
+
+ if (error != 0)
+ return (error);
+ }
+
+ *(int *)data = vw->vw_kbdstate & LOCK_MASK;
+
+ return (error);
+ }
+ case KDSKBSTATE: { /* set keyboard state (locks) */
+ int state;
+
+ state = *(int *)data;
+ if (state & ~LOCK_MASK)
+ return (EINVAL);
+
+ vw->vw_kbdstate &= ~LOCK_MASK;
+ vw->vw_kbdstate |= state;
+
+ error = 0;
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ error = vt_update_kbd_state(vw, kbd);
+ mtx_unlock(&Giant);
+ }
+
+ return (error);
+ }
+ case KDGETLED: { /* get keyboard LED status */
+ error = 0;
+
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ error = vt_save_kbd_leds(vw, kbd);
+ mtx_unlock(&Giant);
+
+ if (error != 0)
+ return (error);
+ }
+
+ *(int *)data = vw->vw_kbdstate & LED_MASK;
+
+ return (error);
+ }
+ case KDSETLED: { /* set keyboard LED status */
+ int leds;
+
+ leds = *(int *)data;
+ if (leds & ~LED_MASK)
+ return (EINVAL);
+
+ vw->vw_kbdstate &= ~LED_MASK;
+ vw->vw_kbdstate |= leds;
+
+ error = 0;
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ error = vt_update_kbd_leds(vw, kbd);
+ mtx_unlock(&Giant);
+ }
+
+ return (error);
+ }
+ case KDGETMODE:
+ *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ?
+ KD_GRAPHICS : KD_TEXT;
+ return (0);
+ case KDGKBMODE: {
+ error = 0;
+
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ error = vt_save_kbd_mode(vw, kbd);
+ mtx_unlock(&Giant);
+
+ if (error != 0)
+ return (error);
+ }
+
+ *(int *)data = vw->vw_kbdmode;
+
+ return (error);
+ }
+ case KDSKBMODE: {
+ int mode;
+
+ mode = *(int *)data;
+ switch (mode) {
+ case K_XLATE:
+ case K_RAW:
+ case K_CODE:
+ vw->vw_kbdmode = mode;
+
+ error = 0;
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ error = vt_update_kbd_mode(vw, kbd);
+ mtx_unlock(&Giant);
+ }
+
+ return (error);
+ 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_HISTORY:
+ if (*(int *)data < 0)
+ return EINVAL;
+ if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size)
+ vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf,
+ *(int *)data);
+ 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;
+ if (vi->size != sizeof(struct vid_info))
+ return (EINVAL);
+
+ if (vw == vd->vd_curwindow) {
+ mtx_lock(&Giant);
+ kbd = kbd_get_keyboard(vd->vd_keyboard);
+ if (kbd != NULL)
+ vt_save_kbd_state(vw, kbd);
+ mtx_unlock(&Giant);
+ }
+
+ vi->m_num = vd->vd_curwindow->vw_number + 1;
+ vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
+ /* 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;
+
+ if (vd->vd_flags & VDF_TEXTMODE)
+ return (ENOTSUP);
+
+ error = vtfont_load((void *)data, &vf);
+ if (error != 0)
+ return (error);
+
+ error = vt_change_font(vw, vf);
+ vtfont_unref(vf);
+ return (error);
+ }
+ case PIO_VFONT_DEFAULT: {
+ /* Reset to default font. */
+ error = vt_change_font(vw, &vt_font_default);
+ 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:
+ /*
+ * FIXME: This implementation is incomplete compared to
+ * syscons.
+ */
+ switch (*(int *)data) {
+ case KD_TEXT:
+ case KD_TEXT1:
+ case KD_PIXEL:
+ vw->vw_flags &= ~VWF_GRAPHICS;
+ break;
+ case KD_GRAPHICS:
+ vw->vw_flags |= VWF_GRAPHICS;
+ break;
+ }
+ 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 = kbd_get_keyboard(vd->vd_keyboard);
+ vt_save_kbd_state(vd->vd_curwindow, kbd);
+ kbd_release(kbd, (void *)vd);
+ }
+ kbd = kbd_get_keyboard(i);
+ vd->vd_keyboard = i;
+
+ vt_update_kbd_mode(vd->vd_curwindow, kbd);
+ vt_update_kbd_state(vd->vd_curwindow, kbd);
+ } 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);
+ }
+ vt_save_kbd_state(vd->vd_curwindow, kbd);
+ 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: {
+ unsigned int idx;
+
+ error = 0;
+
+ idx = *(unsigned int *)data;
+ if (idx > VT_MAXWINDOWS)
+ return (EINVAL);
+ if (idx > 0)
+ vw = vd->vd_windows[idx - 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_compute_drawable_area(vw);
+ }
+
+ 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;
+ int register_handlers;
+
+ if (!vty_enabled(VTY_VT))
+ return;
+ if (main_vd->vd_driver == NULL)
+ 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];
+
+ register_handlers = 0;
+ 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.
+ * Note that the operations here are purposefully ordered.
+ * We need to ensure vd_timer_armed is non-zero before we set
+ * the VDF_ASYNC flag. That prevents this function from
+ * racing with vt_resume_flush_timer() to update the
+ * callout structure.
+ */
+ atomic_add_acq_int(&vd->vd_timer_armed, 1);
+ vd->vd_flags |= VDF_ASYNC;
+ callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
+ register_handlers = 1;
+ }
+
+ VT_UNLOCK(vd);
+
+ /* Refill settings with new sizes. */
+ vt_resize(vd);
+
+ if (register_handlers) {
+ /* Register suspend/resume handlers. */
+ EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
+ vd, EVENTHANDLER_PRI_ANY);
+ EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
+ EVENTHANDLER_PRI_ANY);
+ }
+}
+
+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);
+ }
+ }
+}
+
+static void
+vt_replace_backend(const struct vt_driver *drv, void *softc)
+{
+ struct vt_device *vd;
+
+ vd = main_vd;
+
+ if (vd->vd_flags & VDF_ASYNC) {
+ /* Stop vt_flush periodic task. */
+ VT_LOCK(vd);
+ vt_suspend_flush_timer(vd);
+ VT_UNLOCK(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.
+ */
+ VT_LOCK(vd);
+ vd->vd_flags &= ~VDF_TEXTMODE;
+
+ if (drv != NULL) {
+ /*
+ * We want to upgrade from the current driver to the
+ * given driver.
+ */
+
+ vd->vd_prev_driver = vd->vd_driver;
+ vd->vd_prev_softc = vd->vd_softc;
+ vd->vd_driver = drv;
+ vd->vd_softc = softc;
+
+ vd->vd_driver->vd_init(vd);
+ } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
+ /*
+ * No driver given: we want to downgrade to the previous
+ * driver.
+ */
+ const struct vt_driver *old_drv;
+ void *old_softc;
+
+ old_drv = vd->vd_driver;
+ old_softc = vd->vd_softc;
+
+ vd->vd_driver = vd->vd_prev_driver;
+ vd->vd_softc = vd->vd_prev_softc;
+ vd->vd_prev_driver = NULL;
+ vd->vd_prev_softc = NULL;
+
+ vd->vd_flags |= VDF_DOWNGRADE;
+
+ vd->vd_driver->vd_init(vd);
+
+ if (old_drv->vd_fini)
+ old_drv->vd_fini(vd, old_softc);
+
+ vd->vd_flags &= ~VDF_DOWNGRADE;
+ }
+
+ 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->vd_curwindow, 0);
+ }
+
+ /*
+ * Register as console. If it already registered, cnadd() will ignore
+ * it.
+ */
+ termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
+}
+
+static void
+vt_suspend_handler(void *priv)
+{
+ struct vt_device *vd;
+
+ vd = priv;
+ vd->vd_flags |= VDF_SUSPENDED;
+ if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
+ vd->vd_driver->vd_suspend(vd);
+}
+
+static void
+vt_resume_handler(void *priv)
+{
+ struct vt_device *vd;
+
+ vd = priv;
+ if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
+ vd->vd_driver->vd_resume(vd);
+ vd->vd_flags &= ~VDF_SUSPENDED;
+}
+
+void
+vt_allocate(const struct vt_driver *drv, void *softc)
+{
+
+ 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);
+ }
+
+ vt_replace_backend(drv, softc);
+}
+
+void
+vt_deallocate(const struct vt_driver *drv, void *softc)
+{
+
+ if (!vty_enabled(VTY_VT))
+ return;
+
+ if (main_vd->vd_prev_driver == NULL ||
+ main_vd->vd_driver != drv ||
+ main_vd->vd_softc != softc)
+ return;
+
+ printf("VT: Switching back from \"%s\" to \"%s\".\n",
+ main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
+
+ vt_replace_backend(NULL, NULL);
+}
+
+void
+vt_suspend(struct vt_device *vd)
+{
+ int error;
+
+ if (vt_suspendswitch == 0)
+ return;
+ /* Save current window. */
+ vd->vd_savedwindow = vd->vd_curwindow;
+ /* Ask holding process to free window and switch to console window */
+ vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
+
+ /* Wait for the window switch to complete. */
+ error = 0;
+ VT_LOCK(vd);
+ while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
+ error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
+ VT_UNLOCK(vd);
+}
+
+void
+vt_resume(struct vt_device *vd)
+{
+
+ if (vt_suspendswitch == 0)
+ return;
+ /* Switch back to saved window, if any */
+ vt_proc_window_switch(vd->vd_savedwindow);
+ vd->vd_savedwindow = NULL;
+}
--
2.20.1
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