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/taskqueue.h> 39 #include <sys/terminal.h> 40 41 #include <dev/vt/vt.h> 42 43 extern const unsigned char vt_beastie_vga16[]; 44 extern const unsigned char vt_beastie2_vga16[]; 45 extern const unsigned char vt_orb_vga16[]; 46 47 static struct timeout_task vt_splash_cpu_fini_task; 48 49 static inline unsigned char 50 vt_vga2bsd(unsigned char vga) 51 { 52 static const unsigned char lut[8] = { 53 0, 54 4, /* 1 and 4 swap */ 55 2, 56 6, /* 3 and 6 swap */ 57 1, /* 4 and 1 swap */ 58 5, 59 3, /* 6 and 3 swap */ 60 7, 61 }; 62 unsigned int bright; 63 64 bright = (vga & 0x8); 65 return (lut[vga & 0x7] | bright); 66 } 67 68 static void 69 vt_draw_2_vga16_px(struct vt_device *vd, vt_axis_t x, vt_axis_t y, 70 unsigned char color) 71 { 72 73 vd->vd_driver->vd_setpixel(vd, x, y, vt_vga2bsd(color >> 4)); 74 vd->vd_driver->vd_setpixel(vd, x + 1, y, vt_vga2bsd(color & 0xf)); 75 } 76 77 static void 78 vt_draw_1_logo(struct vt_device *vd, vt_axis_t top, vt_axis_t left) 79 { 80 const unsigned char rle_sent = 0x16, *data; 81 unsigned int xy, run, runcolor, i; 82 83 switch (vt_splash_cpu_style) { 84 case VT_LOGOS_DRAW_ALT_BEASTIE: 85 data = vt_beastie2_vga16; 86 break; 87 case VT_LOGOS_DRAW_ORB: 88 data = vt_orb_vga16; 89 break; 90 case VT_LOGOS_DRAW_BEASTIE: 91 /* FALLTHROUGH */ 92 default: 93 data = vt_beastie_vga16; 94 break; 95 } 96 97 /* Decode basic RLE (gets us to 30-40% of uncompressed data size): */ 98 for (i = 0, xy = 0; xy < vt_logo_sprite_height * vt_logo_sprite_width;) { 99 if (data[i] == rle_sent) { 100 runcolor = data[i + 1]; 101 run = data[i + 2]; 102 103 for (; run; run--, xy += 2) 104 vt_draw_2_vga16_px(vd, 105 left + (xy % vt_logo_sprite_width), 106 top + (xy / vt_logo_sprite_width), 107 runcolor); 108 109 i += 3; 110 } else { 111 vt_draw_2_vga16_px(vd, left + (xy % vt_logo_sprite_width), 112 top + (xy / vt_logo_sprite_width), data[i]); 113 114 i++; 115 xy += 2; 116 } 117 } 118 } 119 120 void 121 vtterm_draw_cpu_logos(struct vt_device *vd) 122 { 123 unsigned int ncpu, i; 124 vt_axis_t left; 125 struct terminal *tm = vd->vd_curwindow->vw_terminal; 126 const teken_attr_t *a; 127 128 if (vt_splash_ncpu) 129 ncpu = vt_splash_ncpu; 130 else { 131 ncpu = mp_ncpus; 132 if (ncpu < 1) 133 ncpu = 1; 134 } 135 136 a = teken_get_curattr(&tm->tm_emulator); 137 if (vd->vd_driver->vd_drawrect) 138 vd->vd_driver->vd_drawrect(vd, 0, 0, vd->vd_width - 1, 139 vt_logo_sprite_height - 1, 1, a->ta_bgcolor); 140 /* 141 * Blank is okay because we only ever draw beasties on full screen 142 * refreshes. 143 */ 144 else if (vd->vd_driver->vd_blank) 145 vd->vd_driver->vd_blank(vd, a->ta_bgcolor); 146 147 ncpu = MIN(ncpu, vd->vd_width / vt_logo_sprite_width); 148 for (i = 0, left = 0; i < ncpu; left += vt_logo_sprite_width, i++) 149 vt_draw_1_logo(vd, 0, left); 150 } 151 152 static void 153 vt_fini_logos(void *dummy __unused, int pending __unused) 154 { 155 struct vt_device *vd; 156 struct vt_window *vw; 157 struct terminal *tm; 158 struct vt_font *vf; 159 struct winsize wsz; 160 term_pos_t size; 161 unsigned int i; 162 163 if (!vt_draw_logo_cpus) 164 return; 165 if (!vty_enabled(VTY_VT)) 166 return; 167 if (!vt_splash_cpu) 168 return; 169 170 vd = &vt_consdev; 171 VT_LOCK(vd); 172 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) { 173 VT_UNLOCK(vd); 174 return; 175 } 176 vt_draw_logo_cpus = 0; 177 VT_UNLOCK(vd); 178 179 for (i = 0; i < VT_MAXWINDOWS; i++) { 180 vw = vd->vd_windows[i]; 181 if (vw == NULL) 182 continue; 183 tm = vw->vw_terminal; 184 vf = vw->vw_font; 185 if (vf == NULL) 186 continue; 187 188 vt_termsize(vd, vf, &size); 189 vt_winsize(vd, vf, &wsz); 190 191 /* Resize screen buffer and terminal. */ 192 terminal_mute(tm, 1); 193 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 194 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 195 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 196 terminal_mute(tm, 0); 197 198 VT_LOCK(vd); 199 vt_compute_drawable_area(vw); 200 201 if (vd->vd_curwindow == vw) { 202 vd->vd_flags |= VDF_INVALID; 203 vt_resume_flush_timer(vw, 0); 204 } 205 VT_UNLOCK(vd); 206 } 207 } 208 209 static void 210 vt_init_logos(void *dummy) 211 { 212 struct vt_device *vd; 213 struct vt_window *vw; 214 struct terminal *tm; 215 struct vt_font *vf; 216 struct winsize wsz; 217 term_pos_t size; 218 219 if (!vty_enabled(VTY_VT)) 220 return; 221 if (!vt_splash_cpu) 222 return; 223 224 vd = &vt_consdev; 225 if (vd == NULL) 226 return; 227 vw = vd->vd_curwindow; 228 if (vw == NULL) 229 return; 230 tm = vw->vw_terminal; 231 if (tm == NULL) 232 return; 233 vf = vw->vw_font; 234 if (vf == NULL) 235 return; 236 237 VT_LOCK(vd); 238 if ((vd->vd_flags & VDF_INITIALIZED) == 0) 239 goto out; 240 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) 241 goto out; 242 if (vd->vd_height <= vt_logo_sprite_height) 243 goto out; 244 245 vt_draw_logo_cpus = 1; 246 VT_UNLOCK(vd); 247 248 vt_termsize(vd, vf, &size); 249 vt_winsize(vd, vf, &wsz); 250 251 /* Resize screen buffer and terminal. */ 252 terminal_mute(tm, 1); 253 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 254 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 255 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 256 terminal_mute(tm, 0); 257 258 VT_LOCK(vd); 259 vt_compute_drawable_area(vw); 260 261 if (vd->vd_curwindow == vw) { 262 vd->vd_flags |= VDF_INVALID; 263 vt_resume_flush_timer(vw, 0); 264 } 265 266 TIMEOUT_TASK_INIT(taskqueue_thread, &vt_splash_cpu_fini_task, 0, 267 vt_fini_logos, NULL); 268 taskqueue_enqueue_timeout(taskqueue_thread, &vt_splash_cpu_fini_task, 269 vt_splash_cpu_duration * hz); 270 271 out: 272 VT_UNLOCK(vd); 273 } 274 SYSINIT(vt_logos, SI_SUB_TASKQ, SI_ORDER_ANY, vt_init_logos, NULL); 275