1/*- 2 * Copyright (c) 2015 Conrad Meyer <cse.cem@gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/callout.h> 32#include <sys/cons.h> 33#include <sys/kernel.h> 34#include <sys/smp.h> 35#include <sys/systm.h> 36#include <sys/terminal.h> 37 38#include <dev/vt/vt.h> 39 40extern const unsigned char vt_beastie_vga16[]; 41extern const unsigned char vt_beastie2_vga16[]; 42extern const unsigned char vt_orb_vga16[]; 43 44static struct callout vt_splash_cpu_callout; 45 46static inline unsigned char 47vt_vga2bsd(unsigned char vga) 48{ 49 static const unsigned char lut[8] = { 50 0, 51 4, /* 1 and 4 swap */ 52 2, 53 6, /* 3 and 6 swap */ 54 1, /* 4 and 1 swap */ 55 5, 56 3, /* 6 and 3 swap */ 57 7, 58 }; 59 unsigned int bright; 60 61 bright = (vga & 0x8); 62 return (lut[vga & 0x7] | bright); 63} 64 65static void 66vt_draw_2_vga16_px(struct vt_device *vd, vt_axis_t x, vt_axis_t y, 67 unsigned char color) 68{ 69 70 vd->vd_driver->vd_setpixel(vd, x, y, vt_vga2bsd(color >> 4)); 71 vd->vd_driver->vd_setpixel(vd, x + 1, y, vt_vga2bsd(color & 0xf)); 72} 73 74static void 75vt_draw_1_logo(struct vt_device *vd, vt_axis_t top, vt_axis_t left) 76{ 77 const unsigned char rle_sent = 0x16, *data; 78 unsigned int xy, run, runcolor, i; 79 80 switch (vt_splash_cpu_style) { 81 case VT_LOGOS_DRAW_ALT_BEASTIE: 82 data = vt_beastie2_vga16; 83 break; 84 case VT_LOGOS_DRAW_ORB: 85 data = vt_orb_vga16; 86 break; 87 case VT_LOGOS_DRAW_BEASTIE: 88 /* FALLTHROUGH */ 89 default: 90 data = vt_beastie_vga16; 91 break; 92 } 93 94 /* Decode basic RLE (gets us to 30-40% of uncompressed data size): */ 95 for (i = 0, xy = 0; xy < vt_logo_sprite_height * vt_logo_sprite_width;) { 96 if (data[i] == rle_sent) { 97 runcolor = data[i + 1]; 98 run = data[i + 2]; 99 100 for (; run; run--, xy += 2) 101 vt_draw_2_vga16_px(vd, 102 left + (xy % vt_logo_sprite_width), 103 top + (xy / vt_logo_sprite_width), 104 runcolor); 105 106 i += 3; 107 } else { 108 vt_draw_2_vga16_px(vd, left + (xy % vt_logo_sprite_width), 109 top + (xy / vt_logo_sprite_width), data[i]); 110 111 i++; 112 xy += 2; 113 } 114 } 115} 116 117void 118vtterm_draw_cpu_logos(struct vt_device *vd) 119{ 120 unsigned int ncpu, i; 121 vt_axis_t left; 122 123 if (vt_splash_ncpu) 124 ncpu = vt_splash_ncpu; 125 else { 126 ncpu = mp_ncpus; 127 if (ncpu < 1) 128 ncpu = 1; 129 } 130 131 if (vd->vd_driver->vd_drawrect) 132 vd->vd_driver->vd_drawrect(vd, 0, 0, vd->vd_width, 133 vt_logo_sprite_height, 1, TC_BLACK); 134 /* 135 * Blank is okay because we only ever draw beasties on full screen 136 * refreshes. 137 */ 138 else if (vd->vd_driver->vd_blank) 139 vd->vd_driver->vd_blank(vd, TC_BLACK); 140 141 ncpu = MIN(ncpu, vd->vd_width / vt_logo_sprite_width); 142 for (i = 0, left = 0; i < ncpu; left += vt_logo_sprite_width, i++) 143 vt_draw_1_logo(vd, 0, left); 144} 145 146static void 147vt_fini_logos(void *dummy __unused) 148{ 149 struct vt_device *vd; 150 struct vt_window *vw; 151 struct terminal *tm; 152 struct vt_font *vf; 153 struct winsize wsz; 154 term_pos_t size; 155 unsigned int i; 156 157 if (!vt_draw_logo_cpus) 158 return; 159 if (!vty_enabled(VTY_VT)) 160 return; 161 if (!vt_splash_cpu) 162 return; 163 164 vd = &vt_consdev; 165 VT_LOCK(vd); 166 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) { 167 VT_UNLOCK(vd); 168 return; 169 } 170 vt_draw_logo_cpus = 0; 171 VT_UNLOCK(vd); 172 173 for (i = 0; i < VT_MAXWINDOWS; i++) { 174 vw = vd->vd_windows[i]; 175 if (vw == NULL) 176 continue; 177 tm = vw->vw_terminal; 178 vf = vw->vw_font; 179 if (vf == NULL) 180 continue; 181 182 vt_termsize(vd, vf, &size); 183 vt_winsize(vd, vf, &wsz); 184 185 /* Resize screen buffer and terminal. */ 186 terminal_mute(tm, 1); 187 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 188 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 189 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 190 terminal_mute(tm, 0); 191 192 VT_LOCK(vd); 193 vt_compute_drawable_area(vw); 194 195 if (vd->vd_curwindow == vw) { 196 vd->vd_flags |= VDF_INVALID; 197 vt_resume_flush_timer(vw, 0); 198 } 199 VT_UNLOCK(vd); 200 } 201} 202 203static void 204vt_init_logos(void *dummy) 205{ 206 struct vt_device *vd; 207 struct vt_window *vw; 208 struct terminal *tm; 209 struct vt_font *vf; 210 struct winsize wsz; 211 term_pos_t size; 212 213 if (!vty_enabled(VTY_VT)) 214 return; 215 if (!vt_splash_cpu) 216 return; 217 218 tm = &vt_consterm; 219 vw = tm->tm_softc; 220 if (vw == NULL) 221 return; 222 vd = vw->vw_device; 223 if (vd == NULL) 224 return; 225 vf = vw->vw_font; 226 if (vf == NULL) 227 return; 228 229 VT_LOCK(vd); 230 if ((vd->vd_flags & VDF_INITIALIZED) == 0) 231 goto out; 232 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) 233 goto out; 234 if (vd->vd_height <= vt_logo_sprite_height) 235 goto out; 236 237 vt_draw_logo_cpus = 1; 238 VT_UNLOCK(vd); 239 240 vt_termsize(vd, vf, &size); 241 vt_winsize(vd, vf, &wsz); 242 243 /* Resize screen buffer and terminal. */ 244 terminal_mute(tm, 1); 245 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 246 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 247 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 248 terminal_mute(tm, 0); 249 250 VT_LOCK(vd); 251 vt_compute_drawable_area(vw); 252 253 if (vd->vd_curwindow == vw) { 254 vd->vd_flags |= VDF_INVALID; 255 vt_resume_flush_timer(vw, 0); 256 } 257 258 callout_init(&vt_splash_cpu_callout, 1); 259 callout_reset(&vt_splash_cpu_callout, vt_splash_cpu_duration * hz, 260 vt_fini_logos, NULL); 261 262out: 263 VT_UNLOCK(vd); 264} 265SYSINIT(vt_logos, SI_SUB_CPU + 1, SI_ORDER_ANY, vt_init_logos, NULL); 266