init_main.c revision 1.17
1 /* $NetBSD: init_main.c,v 1.17 2024/09/24 11:17:54 rin Exp $ */ 2 3 /* 4 * Copyright (c) 1992 OMRON Corporation. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * OMRON Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)init_main.c 8.2 (Berkeley) 8/15/93 38 */ 39 /* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * OMRON Corporation. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)init_main.c 8.2 (Berkeley) 8/15/93 71 */ 72 73 #include <sys/param.h> 74 #include <sys/boot_flag.h> 75 #include <machine/cpu.h> 76 #include <luna68k/stand/boot/samachdep.h> 77 #include <luna68k/stand/boot/romvec.h> 78 #include <luna68k/stand/boot/status.h> 79 #include <lib/libsa/loadfile.h> 80 #ifdef SUPPORT_ETHERNET 81 #include <lib/libsa/dev_net.h> 82 #endif 83 84 static int get_plane_numbers(void); 85 static int reorder_dipsw(int); 86 87 int cpuspeed; /* for DELAY() macro */ 88 int hz = 60; 89 int machtype; 90 char default_file[64]; 91 const char *default_bootdev; 92 int default_unit; 93 94 #define VERS_LOCAL "Phase-31" 95 96 int nplane; 97 98 /* for command parser */ 99 100 #define BUFFSIZE 100 101 #define MAXARGS 30 102 103 char buffer[BUFFSIZE]; 104 105 int argc; 106 char *argv[MAXARGS]; 107 108 #define BOOT_TIMEOUT 10 109 int boot_timeout = BOOT_TIMEOUT; 110 111 static const char prompt[] = "boot> "; 112 113 /* 114 * PROM monitor's boot device info 115 */ 116 117 /* LUNA-I monitor's bootinfo structure */ 118 /* This bootinfo data address is investigated on ROM Ver4.22 and Ver4.25 */ 119 #define LUNA1_BOOTINFOADDR 0x000008c0 120 struct luna1_bootinfo { 121 uint8_t bi_xxx1[3]; /* 0x08c0: ??? */ 122 uint8_t bi_device; /* 0x08c3: boot device */ 123 #define LUNA1_BTDEV_DK 0 /* Hard-Disk */ 124 #define LUNA1_BTDEV_FB 1 /* Floppy-Disk */ 125 #define LUNA1_BTDEV_SD 2 /* Streamer-Tape */ 126 #define LUNA1_BTDEV_P0 3 /* RS232c */ 127 #define LUNA1_BTDEV_ET 4 /* Ether-net */ 128 #define LUNA1_NBTDEV 5 129 130 struct { 131 uint8_t bd_xxx1; /* 0: ??? */ 132 uint8_t bd_boot; /* 1: 1 == booted */ 133 char bd_name[2]; /* 2: device name (dk, fb, sd ... ) */ 134 uint8_t bd_drv; /* 4: drive number (not ID) */ 135 uint8_t bd_xxx2; /* 5: ??? */ 136 uint8_t bd_xxx3; /* 6: ??? */ 137 uint8_t bd_part; /* 7: dk partition / st record # */ 138 uint8_t bd_xxx4[4]; /* 8: ??? */ 139 uint8_t bd_xxx5[4]; /* 12: ??? */ 140 } bi_devinfo[LUNA1_NBTDEV]; 141 } __packed; 142 143 /* LUNA-II monitor's bootinfo structure */ 144 /* This bootinfo data address is investigated on ROM Version 1.11 */ 145 #define LUNA2_BOOTINFOADDR 0x00001d80 146 struct luna2_bootinfo { 147 uint8_t bi_xxx1[13]; /* 0x1d80: ??? */ 148 uint8_t bi_device; /* 0x1d8d: boot device */ 149 #define LUNA2_BTDEV_DK 0 /* Hard-Disk */ 150 #define LUNA2_BTDEV_FT 1 /* Floppy-Disk */ 151 #define LUNA2_BTDEV_SD 2 /* Streamer-Tape */ 152 #define LUNA2_BTDEV_P0 3 /* RS232c */ 153 #define LUNA2_NBTDEV 4 154 155 struct { 156 uint8_t bd_xxx1; /* 0: ??? */ 157 uint8_t bd_boot; /* 1: 1 == booted */ 158 char bd_name[4]; /* 2: device name (dk, ft, sd ... ) */ 159 uint8_t bd_xxx2; /* 6: ??? */ 160 uint8_t bd_ctlr; /* 7: SCSI controller number */ 161 uint8_t bd_id; /* 8: SCSI ID number */ 162 uint8_t bd_xxx3; /* 9: device number index? */ 163 uint8_t bd_xxx4; /* 10: ??? */ 164 uint8_t bd_part; /* 11: dk partition / st record # */ 165 uint8_t bd_xxx5[4]; /* 12: ??? */ 166 uint8_t bd_xxx6[4]; /* 16: ??? */ 167 } bi_devinfo[LUNA2_NBTDEV]; 168 } __packed; 169 170 /* #define BTINFO_DEBUG */ 171 172 void 173 main(void) 174 { 175 int i, status = ST_NORMAL; 176 const char *machstr; 177 const char *bootdev; 178 uint32_t howto; 179 int unit, part; 180 int bdev, ctlr, id; 181 182 /* 183 * Initialize the console before we print anything out. 184 */ 185 if (cputype == CPU_68030) { 186 machtype = LUNA_I; 187 machstr = "LUNA-I"; 188 cpuspeed = MHZ_25; 189 hz = 60; 190 } else { 191 machtype = LUNA_II; 192 machstr = "LUNA-II"; 193 cpuspeed = MHZ_25 * 2; /* XXX */ 194 hz = 100; 195 } 196 197 nplane = get_plane_numbers(); 198 199 cninit(); 200 201 printf("\n"); 202 printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev); 203 printf(">> (based on Stinger ver 0.0 [%s])\n", VERS_LOCAL); 204 printf("\n"); 205 206 i = ROM_memsize; 207 printf("Machine model = %s\n", machstr); 208 printf("Physical Memory = 0x%x ", i); 209 i >>= 20; 210 printf("(%d MB)\n", i); 211 printf("\n"); 212 213 /* 214 * IO configuration 215 */ 216 217 #ifdef SUPPORT_ETHERNET 218 try_bootp = 1; 219 #endif 220 221 find_devs(); 222 printf("\n"); 223 224 /* use sd(0,0) for the default boot device */ 225 bootdev = "sd"; 226 unit = 0; 227 part = 0; 228 229 /* 230 * - LUNA1_BOOTINFOADDR is in the 0-th page [0, 0x1000), which causes 231 * -Warray-bounds for GCC12 and later. 232 * - LUNA2_BOOTINFOADDR is also in the 0-th page, if we switch to 233 * 8KB page. 234 */ 235 #pragma GCC diagnostic push 236 #pragma GCC diagnostic ignored "-Warray-bounds" 237 238 if (machtype == LUNA_I) { 239 const struct luna1_bootinfo *bi1 = (void *)LUNA1_BOOTINFOADDR; 240 241 bdev = bi1->bi_device; 242 switch (bdev) { 243 case LUNA1_BTDEV_DK: 244 /* note: bd_drv is not SCSI ID */ 245 ctlr = 0; 246 id = 6 - bi1->bi_devinfo[bdev].bd_drv; 247 unit = UNIT(ctlr, id); 248 break; 249 case LUNA1_BTDEV_ET: 250 bootdev = "le"; 251 unit = 0; 252 break; 253 default: 254 /* not supported */ 255 break; 256 } 257 #ifdef BTINFO_DEBUG 258 printf("bi1->bi_device = 0x%02x\n", bi1->bi_device); 259 printf("bi1->bi_devinfo[bdev].bd_boot = 0x%02x\n", 260 bi1->bi_devinfo[bdev].bd_boot); 261 printf("bi1->bi_devinfo[bdev].bd_name = %c%c\n", 262 bi1->bi_devinfo[bdev].bd_name[0], 263 bi1->bi_devinfo[bdev].bd_name[1]); 264 printf("bi1->bi_devinfo[bdev].bd_drv = 0x%02x\n", 265 bi1->bi_devinfo[bdev].bd_drv); 266 printf("bi1->bi_devinfo[bdev].bd_part = 0x%02x\n", 267 bi1->bi_devinfo[bdev].bd_part); 268 #endif 269 } else { 270 const struct luna2_bootinfo *bi2 = (void *)LUNA2_BOOTINFOADDR; 271 272 bdev = bi2->bi_device; 273 switch (bdev) { 274 case LUNA2_BTDEV_DK: 275 ctlr = bi2->bi_devinfo[bdev].bd_ctlr; 276 id = bi2->bi_devinfo[bdev].bd_id; 277 unit = UNIT(ctlr, id); 278 break; 279 default: 280 /* not supported */ 281 break; 282 } 283 #ifdef BTINFO_DEBUG 284 printf("bi2->bi_device = 0x%02x\n", bi2->bi_device); 285 printf("bi2->bi_devinfo[bdev].bd_boot = 0x%02x\n", 286 bi2->bi_devinfo[bdev].bd_boot); 287 printf("bi2->bi_devinfo[bdev].bd_name = %s\n", 288 bi2->bi_devinfo[bdev].bd_name); 289 printf("bi2->bi_devinfo[bdev].bd_ctlr = 0x%02x\n", 290 bi2->bi_devinfo[bdev].bd_ctlr); 291 printf("bi2->bi_devinfo[bdev].bd_id = 0x%02x\n", 292 bi2->bi_devinfo[bdev].bd_id); 293 printf("bi2->bi_devinfo[bdev].bd_part = 0x%02x\n", 294 bi2->bi_devinfo[bdev].bd_part); 295 #endif 296 } 297 298 #pragma GCC diagnostic pop 299 300 snprintf(default_file, sizeof(default_file), 301 "%s(%d,%d)%s", bootdev, unit, part, "netbsd"); 302 default_bootdev = bootdev; 303 default_unit = unit; 304 305 howto = reorder_dipsw(dipsw2); 306 307 if ((howto & 0xFE) == 0) { 308 char c; 309 310 printf("Press return to boot now," 311 " any other key for boot menu\n"); 312 printf("booting %s - starting in ", default_file); 313 c = awaitkey("%d seconds. ", boot_timeout, true); 314 if (c == '\r' || c == '\n' || c == 0) { 315 printf("auto-boot %s\n", default_file); 316 bootnetbsd(default_file, 0); 317 } 318 } 319 320 /* 321 * Main Loop 322 */ 323 324 printf("type \"help\" for help.\n"); 325 326 do { 327 memset(buffer, 0, BUFFSIZE); 328 if (getline(prompt, buffer) > 0) { 329 argc = getargs(buffer, argv, 330 sizeof(argv) / sizeof(char *)); 331 332 status = parse(argc, argv); 333 if (status == ST_NOTFOUND) 334 printf("Command \"%s\" is not found !!\n", 335 argv[0]); 336 } 337 } while (status != ST_EXIT); 338 339 exit(0); 340 } 341 342 static int 343 get_plane_numbers(void) 344 { 345 int r = ROM_plane; 346 int n = 0; 347 348 for (; r ; r >>= 1) 349 if (r & 0x1) 350 n++; 351 352 return n; 353 } 354 355 static int 356 reorder_dipsw(int dipsw) 357 { 358 int i, sw = 0; 359 360 for (i = 0; i < 8; i++) { 361 if ((dipsw & 0x01) == 0) 362 sw += 1; 363 364 if (i == 7) 365 break; 366 367 sw <<= 1; 368 dipsw >>= 1; 369 } 370 371 return sw; 372 } 373
Indexes created Fri Sep 26 08:10:20 GMT 2025