1 /*- 2 * Copyright (c) 2015 Conrad Meyer <cem@FreeBSD.org> 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/lock.h> 34 #include <sys/kernel.h> 35 #include <sys/mutex.h> 36 #include <sys/smp.h> 37 #include <sys/systm.h> 38 #include <sys/terminal.h> 39 40 #include <dev/vt/vt.h> 41 42 extern const unsigned char vt_beastie_vga16[]; 43 extern const unsigned char vt_beastie2_vga16[]; 44 extern const unsigned char vt_orb_vga16[]; 45 46 static struct timeout_task vt_splash_cpu_fini_task; 47 48 static inline unsigned char 49 vt_vga2bsd(unsigned char vga) 50 { 51 static const unsigned char lut[8] = { 52 0, 53 4, /* 1 and 4 swap */ 54 2, 55 6, /* 3 and 6 swap */ 56 1, /* 4 and 1 swap */ 57 5, 58 3, /* 6 and 3 swap */ 59 7, 60 }; 61 unsigned int bright; 62 63 bright = (vga & 0x8); 64 return (lut[vga & 0x7] | bright); 65 } 66 67 static void 68 vt_draw_2_vga16_px(struct vt_device *vd, vt_axis_t x, vt_axis_t y, 69 unsigned char color) 70 { 71 72 vd->vd_driver->vd_setpixel(vd, x, y, vt_vga2bsd(color >> 4)); 73 vd->vd_driver->vd_setpixel(vd, x + 1, y, vt_vga2bsd(color & 0xf)); 74 } 75 76 static void 77 vt_draw_1_logo(struct vt_device *vd, vt_axis_t top, vt_axis_t left) 78 { 79 const unsigned char rle_sent = 0x16, *data; 80 unsigned int xy, run, runcolor, i; 81 82 switch (vt_splash_cpu_style) { 83 case VT_LOGOS_DRAW_ALT_BEASTIE: 84 data = vt_beastie2_vga16; 85 break; 86 case VT_LOGOS_DRAW_ORB: 87 data = vt_orb_vga16; 88 break; 89 case VT_LOGOS_DRAW_BEASTIE: 90 /* FALLTHROUGH */ 91 default: 92 data = vt_beastie_vga16; 93 break; 94 } 95 96 /* Decode basic RLE (gets us to 30-40% of uncompressed data size): */ 97 for (i = 0, xy = 0; xy < vt_logo_sprite_height * vt_logo_sprite_width;) { 98 if (data[i] == rle_sent) { 99 runcolor = data[i + 1]; 100 run = data[i + 2]; 101 102 for (; run; run--, xy += 2) 103 vt_draw_2_vga16_px(vd, 104 left + (xy % vt_logo_sprite_width), 105 top + (xy / vt_logo_sprite_width), 106 runcolor); 107 108 i += 3; 109 } else { 110 vt_draw_2_vga16_px(vd, left + (xy % vt_logo_sprite_width), 111 top + (xy / vt_logo_sprite_width), data[i]); 112 113 i++; 114 xy += 2; 115 } 116 } 117 } 118 119 void 120 vtterm_draw_cpu_logos(struct vt_device *vd) 121 { 122 unsigned int ncpu, i; 123 vt_axis_t left; 124 struct terminal *tm = vd->vd_curwindow->vw_terminal; 125 const teken_attr_t *a; 126 127 if (vt_splash_ncpu) 128 ncpu = vt_splash_ncpu; 129 else { 130 ncpu = mp_ncpus; 131 if (ncpu < 1) 132 ncpu = 1; 133 } 134 135 a = teken_get_curattr(&tm->tm_emulator); 136 if (vd->vd_driver->vd_drawrect) 137 vd->vd_driver->vd_drawrect(vd, 0, 0, vd->vd_width - 1, 138 vt_logo_sprite_height - 1, 1, a->ta_bgcolor); 139 /* 140 * Blank is okay because we only ever draw beasties on full screen 141 * refreshes. 142 */ 143 else if (vd->vd_driver->vd_blank) 144 vd->vd_driver->vd_blank(vd, a->ta_bgcolor); 145 146 ncpu = MIN(ncpu, vd->vd_width / vt_logo_sprite_width); 147 for (i = 0, left = 0; i < ncpu; left += vt_logo_sprite_width, i++) 148 vt_draw_1_logo(vd, 0, left); 149 } 150 151 static void 152 vt_fini_logos(void *dummy __unused, int pending __unused) 153 { 154 struct vt_device *vd; 155 struct vt_window *vw; 156 struct terminal *tm; 157 struct vt_font *vf; 158 struct winsize wsz; 159 term_pos_t size; 160 unsigned int i; 161 162 if (!vt_draw_logo_cpus) 163 return; 164 if (!vty_enabled(VTY_VT)) 165 return; 166 if (!vt_splash_cpu) 167 return; 168 169 vd = &vt_consdev; 170 VT_LOCK(vd); 171 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) { 172 VT_UNLOCK(vd); 173 return; 174 } 175 vt_draw_logo_cpus = 0; 176 VT_UNLOCK(vd); 177 178 for (i = 0; i < VT_MAXWINDOWS; i++) { 179 vw = vd->vd_windows[i]; 180 if (vw == NULL) 181 continue; 182 tm = vw->vw_terminal; 183 vf = vw->vw_font; 184 if (vf == NULL) 185 continue; 186 187 vt_termsize(vd, vf, &size); 188 vt_winsize(vd, vf, &wsz); 189 190 /* Resize screen buffer and terminal. */ 191 terminal_mute(tm, 1); 192 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 193 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 194 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 195 terminal_mute(tm, 0); 196 197 VT_LOCK(vd); 198 vt_compute_drawable_area(vw); 199 200 if (vd->vd_curwindow == vw) { 201 vd->vd_flags |= VDF_INVALID; 202 vt_resume_flush_timer(vw, 0); 203 } 204 VT_UNLOCK(vd); 205 } 206 } 207 208 static void 209 vt_init_logos(void *dummy) 210 { 211 struct vt_device *vd; 212 struct vt_window *vw; 213 struct terminal *tm; 214 struct vt_font *vf; 215 struct winsize wsz; 216 term_pos_t size; 217 218 if (!vty_enabled(VTY_VT)) 219 return; 220 if (!vt_splash_cpu) 221 return; 222 223 vd = &vt_consdev; 224 if (vd == NULL) 225 return; 226 vw = vd->vd_curwindow; 227 if (vw == NULL) 228 return; 229 tm = vw->vw_terminal; 230 if (tm == NULL) 231 return; 232 vf = vw->vw_font; 233 if (vf == NULL) 234 return; 235 236 VT_LOCK(vd); 237 if ((vd->vd_flags & VDF_INITIALIZED) == 0) 238 goto out; 239 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) 240 goto out; 241 if (vd->vd_height <= vt_logo_sprite_height) 242 goto out; 243 244 vt_draw_logo_cpus = 1; 245 VT_UNLOCK(vd); 246 247 vt_termsize(vd, vf, &size); 248 vt_winsize(vd, vf, &wsz); 249 250 /* Resize screen buffer and terminal. */ 251 terminal_mute(tm, 1); 252 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 253 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 254 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 255 terminal_mute(tm, 0); 256 257 VT_LOCK(vd); 258 vt_compute_drawable_area(vw); 259 260 if (vd->vd_curwindow == vw) { 261 vd->vd_flags |= VDF_INVALID; 262 vt_resume_flush_timer(vw, 0); 263 } 264 265 TIMEOUT_TASK_INIT(taskqueue_thread, &vt_splash_cpu_fini_task, 0, 266 vt_fini_logos, NULL); 267 taskqueue_enqueue_timeout(taskqueue_thread, &vt_splash_cpu_fini_task, 268 vt_splash_cpu_duration * hz); 269 270 out: 271 VT_UNLOCK(vd); 272 } 273 SYSINIT(vt_logos, SI_SUB_TASKQ, SI_ORDER_ANY, vt_init_logos, NULL); 274