boot.c revision 1.5.2.3
1 1.5.2.3 pgoyette /* $NetBSD: boot.c,v 1.5.2.3 2018/09/30 01:45:57 pgoyette Exp $ */ 2 1.5.2.2 pgoyette 3 1.5.2.2 pgoyette /*- 4 1.5.2.2 pgoyette * Copyright (c) 2016 Kimihiro Nonaka <nonaka (at) netbsd.org> 5 1.5.2.2 pgoyette * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca> 6 1.5.2.2 pgoyette * All rights reserved. 7 1.5.2.2 pgoyette * 8 1.5.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 9 1.5.2.2 pgoyette * modification, are permitted provided that the following conditions 10 1.5.2.2 pgoyette * are met: 11 1.5.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 12 1.5.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 13 1.5.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 14 1.5.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 15 1.5.2.2 pgoyette * documentation and/or other materials provided with the distribution. 16 1.5.2.2 pgoyette * 17 1.5.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 1.5.2.2 pgoyette * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 1.5.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 1.5.2.2 pgoyette * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 1.5.2.2 pgoyette * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.5.2.2 pgoyette * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 1.5.2.2 pgoyette * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.5.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.5.2.2 pgoyette * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.5.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.5.2.2 pgoyette * SUCH DAMAGE. 28 1.5.2.2 pgoyette */ 29 1.5.2.2 pgoyette 30 1.5.2.2 pgoyette #include "efiboot.h" 31 1.5.2.2 pgoyette #include "efiblock.h" 32 1.5.2.2 pgoyette #include "efifdt.h" 33 1.5.2.3 pgoyette #include "efienv.h" 34 1.5.2.2 pgoyette 35 1.5.2.2 pgoyette #include <sys/bootblock.h> 36 1.5.2.2 pgoyette #include <sys/boot_flag.h> 37 1.5.2.2 pgoyette #include <machine/limits.h> 38 1.5.2.2 pgoyette 39 1.5.2.2 pgoyette #include <loadfile.h> 40 1.5.2.2 pgoyette 41 1.5.2.2 pgoyette extern const char bootprog_name[], bootprog_rev[], bootprog_kernrev[]; 42 1.5.2.2 pgoyette 43 1.5.2.2 pgoyette extern char twiddle_toggle; 44 1.5.2.2 pgoyette 45 1.5.2.2 pgoyette static const char * const names[][2] = { 46 1.5.2.2 pgoyette { "netbsd", "netbsd.gz" }, 47 1.5.2.2 pgoyette { "onetbsd", "onetbsd.gz" }, 48 1.5.2.2 pgoyette { "netbsd.old", "netbsd.old.gz" }, 49 1.5.2.2 pgoyette }; 50 1.5.2.2 pgoyette 51 1.5.2.2 pgoyette #define NUMNAMES __arraycount(names) 52 1.5.2.2 pgoyette #define DEFFILENAME names[0][0] 53 1.5.2.2 pgoyette 54 1.5.2.2 pgoyette #define DEFTIMEOUT 5 55 1.5.2.2 pgoyette 56 1.5.2.2 pgoyette static char default_device[32]; 57 1.5.2.3 pgoyette static char initrd_path[255]; 58 1.5.2.3 pgoyette static char dtb_path[255]; 59 1.5.2.2 pgoyette 60 1.5.2.2 pgoyette void command_boot(char *); 61 1.5.2.2 pgoyette void command_dev(char *); 62 1.5.2.3 pgoyette void command_dtb(char *); 63 1.5.2.3 pgoyette void command_initrd(char *); 64 1.5.2.2 pgoyette void command_ls(char *); 65 1.5.2.3 pgoyette void command_printenv(char *); 66 1.5.2.3 pgoyette void command_setenv(char *); 67 1.5.2.3 pgoyette void command_clearenv(char *); 68 1.5.2.3 pgoyette void command_resetenv(char *); 69 1.5.2.2 pgoyette void command_reset(char *); 70 1.5.2.2 pgoyette void command_version(char *); 71 1.5.2.2 pgoyette void command_quit(char *); 72 1.5.2.2 pgoyette 73 1.5.2.2 pgoyette const struct boot_command commands[] = { 74 1.5.2.3 pgoyette { "boot", command_boot, "boot [dev:][filename] [args]\n (ex. \"hd0a:\\netbsd.old -s\"" }, 75 1.5.2.2 pgoyette { "dev", command_dev, "dev" }, 76 1.5.2.3 pgoyette { "dtb", command_dtb, "dtb [dev:][filename]" }, 77 1.5.2.3 pgoyette { "initrd", command_initrd, "initrd [dev:][filename]" }, 78 1.5.2.2 pgoyette { "ls", command_ls, "ls [hdNn:/path]" }, 79 1.5.2.3 pgoyette { "printenv", command_printenv, "printenv [key]" }, 80 1.5.2.3 pgoyette { "setenv", command_setenv, "setenv <key> <value>" }, 81 1.5.2.3 pgoyette { "clearenv", command_clearenv, "clearenv <key>" }, 82 1.5.2.3 pgoyette { "resetenv", command_resetenv, "resetenv" }, 83 1.5.2.3 pgoyette { "reboot", command_reset, "reboot|reset" }, 84 1.5.2.3 pgoyette { "reset", command_reset, NULL }, 85 1.5.2.2 pgoyette { "version", command_version, "version" }, 86 1.5.2.2 pgoyette { "help", command_help, "help|?" }, 87 1.5.2.2 pgoyette { "?", command_help, NULL }, 88 1.5.2.2 pgoyette { "quit", command_quit, "quit" }, 89 1.5.2.2 pgoyette { NULL, NULL }, 90 1.5.2.2 pgoyette }; 91 1.5.2.2 pgoyette 92 1.5.2.2 pgoyette void 93 1.5.2.2 pgoyette command_help(char *arg) 94 1.5.2.2 pgoyette { 95 1.5.2.2 pgoyette int n; 96 1.5.2.2 pgoyette 97 1.5.2.2 pgoyette printf("commands are:\n"); 98 1.5.2.2 pgoyette for (n = 0; commands[n].c_name; n++) { 99 1.5.2.2 pgoyette if (commands[n].c_help) 100 1.5.2.2 pgoyette printf("%s\n", commands[n].c_help); 101 1.5.2.2 pgoyette } 102 1.5.2.2 pgoyette } 103 1.5.2.2 pgoyette 104 1.5.2.2 pgoyette void 105 1.5.2.2 pgoyette command_boot(char *arg) 106 1.5.2.2 pgoyette { 107 1.5.2.2 pgoyette char *fname = arg; 108 1.5.2.2 pgoyette char *bootargs = gettrailer(arg); 109 1.5.2.2 pgoyette 110 1.5.2.2 pgoyette exec_netbsd(*fname ? fname : DEFFILENAME, bootargs); 111 1.5.2.2 pgoyette } 112 1.5.2.2 pgoyette 113 1.5.2.2 pgoyette void 114 1.5.2.2 pgoyette command_dev(char *arg) 115 1.5.2.2 pgoyette { 116 1.5.2.2 pgoyette if (arg && *arg) { 117 1.5.2.2 pgoyette set_default_device(arg); 118 1.5.2.2 pgoyette } else { 119 1.5.2.2 pgoyette efi_block_show(); 120 1.5.2.2 pgoyette efi_net_show(); 121 1.5.2.2 pgoyette efi_pxe_show(); 122 1.5.2.2 pgoyette } 123 1.5.2.2 pgoyette 124 1.5.2.2 pgoyette if (strlen(default_device) > 0) { 125 1.5.2.2 pgoyette printf("\n"); 126 1.5.2.2 pgoyette printf("default: %s\n", default_device); 127 1.5.2.2 pgoyette } 128 1.5.2.2 pgoyette } 129 1.5.2.2 pgoyette 130 1.5.2.2 pgoyette void 131 1.5.2.3 pgoyette command_dtb(char *arg) 132 1.5.2.3 pgoyette { 133 1.5.2.3 pgoyette set_dtb_path(arg); 134 1.5.2.3 pgoyette } 135 1.5.2.3 pgoyette 136 1.5.2.3 pgoyette void 137 1.5.2.3 pgoyette command_initrd(char *arg) 138 1.5.2.3 pgoyette { 139 1.5.2.3 pgoyette set_initrd_path(arg); 140 1.5.2.3 pgoyette } 141 1.5.2.3 pgoyette 142 1.5.2.3 pgoyette void 143 1.5.2.2 pgoyette command_ls(char *arg) 144 1.5.2.2 pgoyette { 145 1.5.2.2 pgoyette ls(arg); 146 1.5.2.2 pgoyette } 147 1.5.2.2 pgoyette 148 1.5.2.2 pgoyette void 149 1.5.2.3 pgoyette command_printenv(char *arg) 150 1.5.2.3 pgoyette { 151 1.5.2.3 pgoyette char *val; 152 1.5.2.3 pgoyette 153 1.5.2.3 pgoyette if (arg && *arg) { 154 1.5.2.3 pgoyette val = efi_env_get(arg); 155 1.5.2.3 pgoyette if (val) { 156 1.5.2.3 pgoyette printf("\"%s\" = \"%s\"\n", arg, val); 157 1.5.2.3 pgoyette FreePool(val); 158 1.5.2.3 pgoyette } 159 1.5.2.3 pgoyette } else { 160 1.5.2.3 pgoyette efi_env_print(); 161 1.5.2.3 pgoyette } 162 1.5.2.3 pgoyette } 163 1.5.2.3 pgoyette 164 1.5.2.3 pgoyette void 165 1.5.2.3 pgoyette command_setenv(char *arg) 166 1.5.2.3 pgoyette { 167 1.5.2.3 pgoyette char *spc; 168 1.5.2.3 pgoyette 169 1.5.2.3 pgoyette spc = strchr(arg, ' '); 170 1.5.2.3 pgoyette if (spc == NULL || spc[1] == '\0') { 171 1.5.2.3 pgoyette command_help(""); 172 1.5.2.3 pgoyette return; 173 1.5.2.3 pgoyette } 174 1.5.2.3 pgoyette 175 1.5.2.3 pgoyette *spc = '\0'; 176 1.5.2.3 pgoyette efi_env_set(arg, spc + 1); 177 1.5.2.3 pgoyette } 178 1.5.2.3 pgoyette 179 1.5.2.3 pgoyette void 180 1.5.2.3 pgoyette command_clearenv(char *arg) 181 1.5.2.3 pgoyette { 182 1.5.2.3 pgoyette if (*arg == '\0') { 183 1.5.2.3 pgoyette command_help(""); 184 1.5.2.3 pgoyette return; 185 1.5.2.3 pgoyette } 186 1.5.2.3 pgoyette efi_env_clear(arg); 187 1.5.2.3 pgoyette } 188 1.5.2.3 pgoyette 189 1.5.2.3 pgoyette void 190 1.5.2.3 pgoyette command_resetenv(char *arg) 191 1.5.2.3 pgoyette { 192 1.5.2.3 pgoyette efi_env_reset(); 193 1.5.2.3 pgoyette } 194 1.5.2.3 pgoyette 195 1.5.2.3 pgoyette void 196 1.5.2.2 pgoyette command_version(char *arg) 197 1.5.2.2 pgoyette { 198 1.5.2.2 pgoyette char *ufirmware; 199 1.5.2.2 pgoyette int rv; 200 1.5.2.2 pgoyette 201 1.5.2.2 pgoyette printf("EFI version: %d.%02d\n", 202 1.5.2.2 pgoyette ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff); 203 1.5.2.2 pgoyette ufirmware = NULL; 204 1.5.2.2 pgoyette rv = ucs2_to_utf8(ST->FirmwareVendor, &ufirmware); 205 1.5.2.2 pgoyette if (rv == 0) { 206 1.5.2.2 pgoyette printf("EFI Firmware: %s (rev %d.%02d)\n", ufirmware, 207 1.5.2.2 pgoyette ST->FirmwareRevision >> 16, 208 1.5.2.2 pgoyette ST->FirmwareRevision & 0xffff); 209 1.5.2.2 pgoyette FreePool(ufirmware); 210 1.5.2.2 pgoyette } 211 1.5.2.2 pgoyette 212 1.5.2.2 pgoyette efi_fdt_show(); 213 1.5.2.2 pgoyette } 214 1.5.2.2 pgoyette 215 1.5.2.2 pgoyette void 216 1.5.2.2 pgoyette command_quit(char *arg) 217 1.5.2.2 pgoyette { 218 1.5.2.2 pgoyette efi_exit(); 219 1.5.2.2 pgoyette } 220 1.5.2.2 pgoyette 221 1.5.2.3 pgoyette void 222 1.5.2.3 pgoyette command_reset(char *arg) 223 1.5.2.3 pgoyette { 224 1.5.2.3 pgoyette efi_reboot(); 225 1.5.2.3 pgoyette } 226 1.5.2.3 pgoyette 227 1.5.2.2 pgoyette int 228 1.5.2.2 pgoyette set_default_device(char *arg) 229 1.5.2.2 pgoyette { 230 1.5.2.2 pgoyette if (strlen(arg) + 1 > sizeof(default_device)) 231 1.5.2.2 pgoyette return ERANGE; 232 1.5.2.2 pgoyette strcpy(default_device, arg); 233 1.5.2.2 pgoyette return 0; 234 1.5.2.2 pgoyette } 235 1.5.2.2 pgoyette 236 1.5.2.2 pgoyette char * 237 1.5.2.2 pgoyette get_default_device(void) 238 1.5.2.2 pgoyette { 239 1.5.2.2 pgoyette return default_device; 240 1.5.2.2 pgoyette } 241 1.5.2.2 pgoyette 242 1.5.2.3 pgoyette int 243 1.5.2.3 pgoyette set_initrd_path(char *arg) 244 1.5.2.3 pgoyette { 245 1.5.2.3 pgoyette if (strlen(arg) + 1 > sizeof(initrd_path)) 246 1.5.2.3 pgoyette return ERANGE; 247 1.5.2.3 pgoyette strcpy(initrd_path, arg); 248 1.5.2.3 pgoyette return 0; 249 1.5.2.3 pgoyette } 250 1.5.2.3 pgoyette 251 1.5.2.3 pgoyette char * 252 1.5.2.3 pgoyette get_initrd_path(void) 253 1.5.2.3 pgoyette { 254 1.5.2.3 pgoyette return initrd_path; 255 1.5.2.3 pgoyette } 256 1.5.2.3 pgoyette 257 1.5.2.3 pgoyette int 258 1.5.2.3 pgoyette set_dtb_path(char *arg) 259 1.5.2.3 pgoyette { 260 1.5.2.3 pgoyette if (strlen(arg) + 1 > sizeof(dtb_path)) 261 1.5.2.3 pgoyette return ERANGE; 262 1.5.2.3 pgoyette strcpy(dtb_path, arg); 263 1.5.2.3 pgoyette return 0; 264 1.5.2.3 pgoyette } 265 1.5.2.3 pgoyette 266 1.5.2.3 pgoyette char * 267 1.5.2.3 pgoyette get_dtb_path(void) 268 1.5.2.3 pgoyette { 269 1.5.2.3 pgoyette return dtb_path; 270 1.5.2.3 pgoyette } 271 1.5.2.3 pgoyette 272 1.5.2.2 pgoyette void 273 1.5.2.2 pgoyette print_banner(void) 274 1.5.2.2 pgoyette { 275 1.5.2.2 pgoyette printf("\n\n" 276 1.5.2.2 pgoyette ">> %s, Revision %s (from NetBSD %s)\n", 277 1.5.2.2 pgoyette bootprog_name, bootprog_rev, bootprog_kernrev); 278 1.5.2.2 pgoyette } 279 1.5.2.2 pgoyette 280 1.5.2.3 pgoyette static void 281 1.5.2.3 pgoyette read_env(void) 282 1.5.2.3 pgoyette { 283 1.5.2.3 pgoyette char *s; 284 1.5.2.3 pgoyette 285 1.5.2.3 pgoyette s = efi_env_get("fdtfile"); 286 1.5.2.3 pgoyette if (s) { 287 1.5.2.3 pgoyette #ifdef EFIBOOT_DEBUG 288 1.5.2.3 pgoyette printf(">> Setting DTB path to '%s' from environment\n", s); 289 1.5.2.3 pgoyette #endif 290 1.5.2.3 pgoyette set_dtb_path(s); 291 1.5.2.3 pgoyette FreePool(s); 292 1.5.2.3 pgoyette } 293 1.5.2.3 pgoyette 294 1.5.2.3 pgoyette s = efi_env_get("initrd"); 295 1.5.2.3 pgoyette if (s) { 296 1.5.2.3 pgoyette #ifdef EFIBOOT_DEBUG 297 1.5.2.3 pgoyette printf(">> Setting initrd path to '%s' from environment\n", s); 298 1.5.2.3 pgoyette #endif 299 1.5.2.3 pgoyette set_initrd_path(s); 300 1.5.2.3 pgoyette FreePool(s); 301 1.5.2.3 pgoyette } 302 1.5.2.3 pgoyette 303 1.5.2.3 pgoyette s = efi_env_get("rootdev"); 304 1.5.2.3 pgoyette if (s) { 305 1.5.2.3 pgoyette #ifdef EFIBOOT_DEBUG 306 1.5.2.3 pgoyette printf(">> Setting default device to '%s' from environment\n", s); 307 1.5.2.3 pgoyette #endif 308 1.5.2.3 pgoyette set_default_device(s); 309 1.5.2.3 pgoyette FreePool(s); 310 1.5.2.3 pgoyette } 311 1.5.2.3 pgoyette } 312 1.5.2.3 pgoyette 313 1.5.2.2 pgoyette void 314 1.5.2.2 pgoyette boot(void) 315 1.5.2.2 pgoyette { 316 1.5.2.2 pgoyette int currname, c; 317 1.5.2.2 pgoyette 318 1.5.2.3 pgoyette read_env(); 319 1.5.2.3 pgoyette 320 1.5.2.2 pgoyette print_banner(); 321 1.5.2.2 pgoyette 322 1.5.2.2 pgoyette printf("Press return to boot now, any other key for boot prompt\n"); 323 1.5.2.2 pgoyette for (currname = 0; currname < NUMNAMES; currname++) { 324 1.5.2.2 pgoyette printf("booting %s - starting in ", names[currname][0]); 325 1.5.2.2 pgoyette 326 1.5.2.2 pgoyette c = awaitkey(DEFTIMEOUT, 1); 327 1.5.2.2 pgoyette if ((c != '\r') && (c != '\n') && (c != '\0')) { 328 1.5.2.2 pgoyette bootprompt(); /* does not return */ 329 1.5.2.2 pgoyette } 330 1.5.2.2 pgoyette 331 1.5.2.2 pgoyette /* 332 1.5.2.2 pgoyette * try pairs of names[] entries, foo and foo.gz 333 1.5.2.2 pgoyette */ 334 1.5.2.2 pgoyette exec_netbsd(names[currname][0], ""); 335 1.5.2.2 pgoyette exec_netbsd(names[currname][1], ""); 336 1.5.2.2 pgoyette } 337 1.5.2.2 pgoyette 338 1.5.2.2 pgoyette bootprompt(); /* does not return */ 339 1.5.2.2 pgoyette } 340
Indexes created Tue Oct 21 08:09:48 GMT 2025