272 lines
6.5 KiB
C
272 lines
6.5 KiB
C
/*-
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* Copyright (c) 2015 Conrad Meyer <cem@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/callout.h>
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#include <sys/cons.h>
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#include <sys/lock.h>
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#include <sys/kernel.h>
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#include <sys/mutex.h>
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#include <sys/smp.h>
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#include <sys/systm.h>
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#include <sys/terminal.h>
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#include <dev/vt/vt.h>
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extern const unsigned char vt_beastie_vga16[];
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extern const unsigned char vt_beastie2_vga16[];
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extern const unsigned char vt_orb_vga16[];
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static struct timeout_task vt_splash_cpu_fini_task;
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static inline unsigned char
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vt_vga2bsd(unsigned char vga)
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{
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static const unsigned char lut[8] = {
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0,
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4, /* 1 and 4 swap */
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2,
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6, /* 3 and 6 swap */
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1, /* 4 and 1 swap */
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5,
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3, /* 6 and 3 swap */
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7,
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};
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unsigned int bright;
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bright = (vga & 0x8);
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return (lut[vga & 0x7] | bright);
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}
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static void
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vt_draw_2_vga16_px(struct vt_device *vd, vt_axis_t x, vt_axis_t y,
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unsigned char color)
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{
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vd->vd_driver->vd_setpixel(vd, x, y, vt_vga2bsd(color >> 4));
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vd->vd_driver->vd_setpixel(vd, x + 1, y, vt_vga2bsd(color & 0xf));
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}
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static void
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vt_draw_1_logo(struct vt_device *vd, vt_axis_t top, vt_axis_t left)
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{
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const unsigned char rle_sent = 0x16, *data;
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unsigned int xy, run, runcolor, i;
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switch (vt_splash_cpu_style) {
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case VT_LOGOS_DRAW_ALT_BEASTIE:
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data = vt_beastie2_vga16;
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break;
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case VT_LOGOS_DRAW_ORB:
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data = vt_orb_vga16;
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break;
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case VT_LOGOS_DRAW_BEASTIE:
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/* FALLTHROUGH */
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default:
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data = vt_beastie_vga16;
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break;
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}
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/* Decode basic RLE (gets us to 30-40% of uncompressed data size): */
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for (i = 0, xy = 0; xy < vt_logo_sprite_height * vt_logo_sprite_width;) {
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if (data[i] == rle_sent) {
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runcolor = data[i + 1];
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run = data[i + 2];
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for (; run; run--, xy += 2)
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vt_draw_2_vga16_px(vd,
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left + (xy % vt_logo_sprite_width),
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top + (xy / vt_logo_sprite_width),
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runcolor);
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i += 3;
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} else {
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vt_draw_2_vga16_px(vd, left + (xy % vt_logo_sprite_width),
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top + (xy / vt_logo_sprite_width), data[i]);
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i++;
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xy += 2;
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}
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}
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}
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void
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vtterm_draw_cpu_logos(struct vt_device *vd)
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{
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unsigned int ncpu, i;
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vt_axis_t left;
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struct terminal *tm = vd->vd_curwindow->vw_terminal;
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const teken_attr_t *a;
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if (vt_splash_ncpu)
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ncpu = vt_splash_ncpu;
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else {
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ncpu = mp_ncpus;
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if (ncpu < 1)
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ncpu = 1;
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}
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a = teken_get_curattr(&tm->tm_emulator);
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if (vd->vd_driver->vd_drawrect)
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vd->vd_driver->vd_drawrect(vd, 0, 0, vd->vd_width - 1,
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vt_logo_sprite_height - 1, 1, a->ta_bgcolor);
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/*
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* Blank is okay because we only ever draw beasties on full screen
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* refreshes.
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*/
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else if (vd->vd_driver->vd_blank)
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vd->vd_driver->vd_blank(vd, a->ta_bgcolor);
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ncpu = MIN(ncpu, vd->vd_width / vt_logo_sprite_width);
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for (i = 0, left = 0; i < ncpu; left += vt_logo_sprite_width, i++)
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vt_draw_1_logo(vd, 0, left);
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}
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static void
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vt_fini_logos(void *dummy __unused, int pending __unused)
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{
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struct vt_device *vd;
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struct vt_window *vw;
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struct terminal *tm;
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struct vt_font *vf;
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struct winsize wsz;
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term_pos_t size;
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unsigned int i;
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if (!vt_draw_logo_cpus)
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return;
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if (!vty_enabled(VTY_VT))
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return;
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if (!vt_splash_cpu)
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return;
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vd = &vt_consdev;
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VT_LOCK(vd);
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if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) {
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VT_UNLOCK(vd);
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return;
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}
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vt_draw_logo_cpus = 0;
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VT_UNLOCK(vd);
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for (i = 0; i < VT_MAXWINDOWS; i++) {
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vw = vd->vd_windows[i];
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if (vw == NULL)
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continue;
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tm = vw->vw_terminal;
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vf = vw->vw_font;
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if (vf == NULL)
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continue;
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vt_termsize(vd, vf, &size);
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vt_winsize(vd, vf, &wsz);
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/* Resize screen buffer and terminal. */
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terminal_mute(tm, 1);
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vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
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terminal_set_winsize_blank(tm, &wsz, 0, NULL);
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terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
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terminal_mute(tm, 0);
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VT_LOCK(vd);
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vt_compute_drawable_area(vw);
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if (vd->vd_curwindow == vw) {
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vd->vd_flags |= VDF_INVALID;
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vt_resume_flush_timer(vw, 0);
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}
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VT_UNLOCK(vd);
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}
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}
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static void
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vt_init_logos(void *dummy)
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{
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struct vt_device *vd;
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struct vt_window *vw;
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struct terminal *tm;
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struct vt_font *vf;
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struct winsize wsz;
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term_pos_t size;
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if (!vty_enabled(VTY_VT))
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return;
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if (!vt_splash_cpu)
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return;
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vd = &vt_consdev;
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if (vd == NULL)
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return;
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vw = vd->vd_curwindow;
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if (vw == NULL)
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return;
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tm = vw->vw_terminal;
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if (tm == NULL)
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return;
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vf = vw->vw_font;
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if (vf == NULL)
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return;
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VT_LOCK(vd);
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if ((vd->vd_flags & VDF_INITIALIZED) == 0)
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goto out;
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if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0)
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goto out;
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if (vd->vd_height <= vt_logo_sprite_height)
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goto out;
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vt_draw_logo_cpus = 1;
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VT_UNLOCK(vd);
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vt_termsize(vd, vf, &size);
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vt_winsize(vd, vf, &wsz);
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/* Resize screen buffer and terminal. */
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terminal_mute(tm, 1);
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vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
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terminal_set_winsize_blank(tm, &wsz, 0, NULL);
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terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
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terminal_mute(tm, 0);
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VT_LOCK(vd);
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vt_compute_drawable_area(vw);
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if (vd->vd_curwindow == vw) {
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vd->vd_flags |= VDF_INVALID;
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vt_resume_flush_timer(vw, 0);
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}
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TIMEOUT_TASK_INIT(taskqueue_thread, &vt_splash_cpu_fini_task, 0,
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vt_fini_logos, NULL);
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taskqueue_enqueue_timeout(taskqueue_thread, &vt_splash_cpu_fini_task,
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vt_splash_cpu_duration * hz);
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out:
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VT_UNLOCK(vd);
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}
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SYSINIT(vt_logos, SI_SUB_TASKQ, SI_ORDER_ANY, vt_init_logos, NULL);
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