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 #include <sys/param.h> 29 #include <sys/callout.h> 30 #include <sys/cons.h> 31 #include <sys/lock.h> 32 #include <sys/kernel.h> 33 #include <sys/mutex.h> 34 #include <sys/smp.h> 35 #include <sys/systm.h> 36 #include <sys/terminal.h> 37 38 #include <dev/vt/vt.h> 39 40 extern const unsigned char vt_beastie_vga16[]; 41 extern const unsigned char vt_beastie2_vga16[]; 42 extern const unsigned char vt_orb_vga16[]; 43 44 static struct timeout_task vt_splash_cpu_fini_task; 45 46 static inline unsigned char 47 vt_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 65 static void 66 vt_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 74 static void 75 vt_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 } 116 117 void 118 vtterm_draw_cpu_logos(struct vt_device *vd) 119 { 120 unsigned int ncpu, i; 121 vt_axis_t left; 122 struct terminal *tm = vd->vd_curwindow->vw_terminal; 123 const teken_attr_t *a; 124 125 if (vt_splash_ncpu) 126 ncpu = vt_splash_ncpu; 127 else { 128 ncpu = mp_ncpus; 129 if (ncpu < 1) 130 ncpu = 1; 131 } 132 133 a = teken_get_curattr(&tm->tm_emulator); 134 if (vd->vd_driver->vd_drawrect) 135 vd->vd_driver->vd_drawrect(vd, 0, 0, vd->vd_width - 1, 136 vt_logo_sprite_height - 1, 1, a->ta_bgcolor); 137 /* 138 * Blank is okay because we only ever draw beasties on full screen 139 * refreshes. 140 */ 141 else if (vd->vd_driver->vd_blank) 142 vd->vd_driver->vd_blank(vd, a->ta_bgcolor); 143 144 ncpu = MIN(ncpu, vd->vd_width / vt_logo_sprite_width); 145 for (i = 0, left = 0; i < ncpu; left += vt_logo_sprite_width, i++) 146 vt_draw_1_logo(vd, 0, left); 147 } 148 149 static void 150 vt_fini_logos(void *dummy __unused, int pending __unused) 151 { 152 struct vt_device *vd; 153 struct vt_window *vw; 154 struct terminal *tm; 155 struct vt_font *vf; 156 struct winsize wsz; 157 term_pos_t size; 158 unsigned int i; 159 160 if (!vt_draw_logo_cpus) 161 return; 162 if (!vty_enabled(VTY_VT)) 163 return; 164 if (!vt_splash_cpu) 165 return; 166 167 vd = &vt_consdev; 168 VT_LOCK(vd); 169 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) { 170 VT_UNLOCK(vd); 171 return; 172 } 173 vt_draw_logo_cpus = 0; 174 VT_UNLOCK(vd); 175 176 for (i = 0; i < VT_MAXWINDOWS; i++) { 177 vw = vd->vd_windows[i]; 178 if (vw == NULL) 179 continue; 180 tm = vw->vw_terminal; 181 vf = vw->vw_font; 182 if (vf == NULL) 183 continue; 184 185 vt_termsize(vd, vf, &size); 186 vt_winsize(vd, vf, &wsz); 187 188 /* Resize screen buffer and terminal. */ 189 terminal_mute(tm, 1); 190 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 191 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 192 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 193 terminal_mute(tm, 0); 194 195 VT_LOCK(vd); 196 vt_compute_drawable_area(vw); 197 198 if (vd->vd_curwindow == vw) { 199 vd->vd_flags |= VDF_INVALID; 200 vt_resume_flush_timer(vw, 0); 201 } 202 VT_UNLOCK(vd); 203 } 204 } 205 206 static void 207 vt_init_logos(void *dummy) 208 { 209 struct vt_device *vd; 210 struct vt_window *vw; 211 struct terminal *tm; 212 struct vt_font *vf; 213 struct winsize wsz; 214 term_pos_t size; 215 216 if (!vty_enabled(VTY_VT)) 217 return; 218 if (!vt_splash_cpu) 219 return; 220 221 vd = &vt_consdev; 222 if (vd == NULL) 223 return; 224 vw = vd->vd_curwindow; 225 if (vw == NULL) 226 return; 227 tm = vw->vw_terminal; 228 if (tm == NULL) 229 return; 230 vf = vw->vw_font; 231 if (vf == NULL) 232 return; 233 234 VT_LOCK(vd); 235 if ((vd->vd_flags & VDF_INITIALIZED) == 0) 236 goto out; 237 if ((vd->vd_flags & (VDF_DEAD | VDF_TEXTMODE)) != 0) 238 goto out; 239 if (vd->vd_height <= vt_logo_sprite_height) 240 goto out; 241 242 vt_draw_logo_cpus = 1; 243 VT_UNLOCK(vd); 244 245 vt_termsize(vd, vf, &size); 246 vt_winsize(vd, vf, &wsz); 247 248 /* Resize screen buffer and terminal. */ 249 terminal_mute(tm, 1); 250 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size); 251 terminal_set_winsize_blank(tm, &wsz, 0, NULL); 252 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor); 253 terminal_mute(tm, 0); 254 255 VT_LOCK(vd); 256 vt_compute_drawable_area(vw); 257 258 if (vd->vd_curwindow == vw) { 259 vd->vd_flags |= VDF_INVALID; 260 vt_resume_flush_timer(vw, 0); 261 } 262 263 TIMEOUT_TASK_INIT(taskqueue_thread, &vt_splash_cpu_fini_task, 0, 264 vt_fini_logos, NULL); 265 taskqueue_enqueue_timeout(taskqueue_thread, &vt_splash_cpu_fini_task, 266 vt_splash_cpu_duration * hz); 267 268 out: 269 VT_UNLOCK(vd); 270 } 271 SYSINIT(vt_logos, SI_SUB_TASKQ, SI_ORDER_ANY, vt_init_logos, NULL); 272