1 /*- 2 * Copyright (c) 2008-2010 Rui Paulo 3 * Copyright (c) 2006 Marcel Moolenaar 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/disk.h> 32 #include <sys/param.h> 33 #include <sys/reboot.h> 34 #include <sys/boot.h> 35 #include <stdint.h> 36 #include <stand.h> 37 #include <string.h> 38 #include <setjmp.h> 39 #include <disk.h> 40 41 #include <efi.h> 42 #include <efilib.h> 43 44 #include <uuid.h> 45 46 #include <bootstrap.h> 47 #include <smbios.h> 48 49 #ifdef EFI_ZFS_BOOT 50 #include <libzfs.h> 51 52 #include "efizfs.h" 53 #endif 54 55 #include "loader_efi.h" 56 57 extern char bootprog_info[]; 58 59 struct arch_switch archsw; /* MI/MD interface boundary */ 60 61 EFI_GUID acpi = ACPI_TABLE_GUID; 62 EFI_GUID acpi20 = ACPI_20_TABLE_GUID; 63 EFI_GUID devid = DEVICE_PATH_PROTOCOL; 64 EFI_GUID imgid = LOADED_IMAGE_PROTOCOL; 65 EFI_GUID mps = MPS_TABLE_GUID; 66 EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL; 67 EFI_GUID smbios = SMBIOS_TABLE_GUID; 68 EFI_GUID smbios3 = SMBIOS3_TABLE_GUID; 69 EFI_GUID dxe = DXE_SERVICES_TABLE_GUID; 70 EFI_GUID hoblist = HOB_LIST_TABLE_GUID; 71 EFI_GUID lzmadecomp = LZMA_DECOMPRESSION_GUID; 72 EFI_GUID mpcore = ARM_MP_CORE_INFO_TABLE_GUID; 73 EFI_GUID esrt = ESRT_TABLE_GUID; 74 EFI_GUID memtype = MEMORY_TYPE_INFORMATION_TABLE_GUID; 75 EFI_GUID debugimg = DEBUG_IMAGE_INFO_TABLE_GUID; 76 EFI_GUID fdtdtb = FDT_TABLE_GUID; 77 EFI_GUID inputid = SIMPLE_TEXT_INPUT_PROTOCOL; 78 79 static EFI_LOADED_IMAGE *img; 80 81 #ifdef EFI_ZFS_BOOT 82 bool 83 efi_zfs_is_preferred(EFI_HANDLE *h) 84 { 85 return (h == img->DeviceHandle); 86 } 87 #endif 88 89 static int 90 has_keyboard(void) 91 { 92 EFI_STATUS status; 93 EFI_DEVICE_PATH *path; 94 EFI_HANDLE *hin, *hin_end, *walker; 95 UINTN sz; 96 int retval = 0; 97 98 /* 99 * Find all the handles that support the SIMPLE_TEXT_INPUT_PROTOCOL and 100 * do the typical dance to get the right sized buffer. 101 */ 102 sz = 0; 103 hin = NULL; 104 status = BS->LocateHandle(ByProtocol, &inputid, 0, &sz, 0); 105 if (status == EFI_BUFFER_TOO_SMALL) { 106 hin = (EFI_HANDLE *)malloc(sz); 107 status = BS->LocateHandle(ByProtocol, &inputid, 0, &sz, 108 hin); 109 if (EFI_ERROR(status)) 110 free(hin); 111 } 112 if (EFI_ERROR(status)) 113 return retval; 114 115 /* 116 * Look at each of the handles. If it supports the device path protocol, 117 * use it to get the device path for this handle. Then see if that 118 * device path matches either the USB device path for keyboards or the 119 * legacy device path for keyboards. 120 */ 121 hin_end = &hin[sz / sizeof(*hin)]; 122 for (walker = hin; walker < hin_end; walker++) { 123 status = BS->HandleProtocol(*walker, &devid, (VOID **)&path); 124 if (EFI_ERROR(status)) 125 continue; 126 127 while (!IsDevicePathEnd(path)) { 128 /* 129 * Check for the ACPI keyboard node. All PNP3xx nodes 130 * are keyboards of different flavors. Note: It is 131 * unclear of there's always a keyboard node when 132 * there's a keyboard controller, or if there's only one 133 * when a keyboard is detected at boot. 134 */ 135 if (DevicePathType(path) == ACPI_DEVICE_PATH && 136 (DevicePathSubType(path) == ACPI_DP || 137 DevicePathSubType(path) == ACPI_EXTENDED_DP)) { 138 ACPI_HID_DEVICE_PATH *acpi; 139 140 acpi = (ACPI_HID_DEVICE_PATH *)(void *)path; 141 if ((EISA_ID_TO_NUM(acpi->HID) & 0xff00) == 0x300 && 142 (acpi->HID & 0xffff) == PNP_EISA_ID_CONST) { 143 retval = 1; 144 goto out; 145 } 146 /* 147 * Check for USB keyboard node, if present. Unlike a 148 * PS/2 keyboard, these definitely only appear when 149 * connected to the system. 150 */ 151 } else if (DevicePathType(path) == MESSAGING_DEVICE_PATH && 152 DevicePathSubType(path) == MSG_USB_CLASS_DP) { 153 USB_CLASS_DEVICE_PATH *usb; 154 155 usb = (USB_CLASS_DEVICE_PATH *)(void *)path; 156 if (usb->DeviceClass == 3 && /* HID */ 157 usb->DeviceSubClass == 1 && /* Boot devices */ 158 usb->DeviceProtocol == 1) { /* Boot keyboards */ 159 retval = 1; 160 goto out; 161 } 162 } 163 path = NextDevicePathNode(path); 164 } 165 } 166 out: 167 free(hin); 168 return retval; 169 } 170 171 static void 172 set_devdesc_currdev(struct devsw *dev, int unit) 173 { 174 struct devdesc currdev; 175 char *devname; 176 177 currdev.d_dev = dev; 178 currdev.d_unit = unit; 179 devname = efi_fmtdev(&currdev); 180 181 env_setenv("currdev", EV_VOLATILE, devname, efi_setcurrdev, 182 env_nounset); 183 env_setenv("loaddev", EV_VOLATILE, devname, env_noset, env_nounset); 184 } 185 186 static int 187 find_currdev(EFI_LOADED_IMAGE *img) 188 { 189 pdinfo_list_t *pdi_list; 190 pdinfo_t *dp, *pp; 191 EFI_DEVICE_PATH *devpath, *copy; 192 EFI_HANDLE h; 193 char *devname; 194 struct devsw *dev; 195 int unit; 196 uint64_t extra; 197 198 #ifdef EFI_ZFS_BOOT 199 /* Did efi_zfs_probe() detect the boot pool? */ 200 if (pool_guid != 0) { 201 struct zfs_devdesc currdev; 202 203 currdev.dd.d_dev = &zfs_dev; 204 currdev.dd.d_unit = 0; 205 currdev.pool_guid = pool_guid; 206 currdev.root_guid = 0; 207 devname = efi_fmtdev(&currdev); 208 209 env_setenv("currdev", EV_VOLATILE, devname, efi_setcurrdev, 210 env_nounset); 211 env_setenv("loaddev", EV_VOLATILE, devname, env_noset, 212 env_nounset); 213 init_zfs_bootenv(devname); 214 return (0); 215 } 216 #endif /* EFI_ZFS_BOOT */ 217 218 /* We have device lists for hd, cd, fd, walk them all. */ 219 pdi_list = efiblk_get_pdinfo_list(&efipart_hddev); 220 STAILQ_FOREACH(dp, pdi_list, pd_link) { 221 struct disk_devdesc currdev; 222 223 currdev.dd.d_dev = &efipart_hddev; 224 currdev.dd.d_unit = dp->pd_unit; 225 currdev.d_slice = -1; 226 currdev.d_partition = -1; 227 228 if (dp->pd_handle == img->DeviceHandle) { 229 devname = efi_fmtdev(&currdev); 230 231 env_setenv("currdev", EV_VOLATILE, devname, 232 efi_setcurrdev, env_nounset); 233 env_setenv("loaddev", EV_VOLATILE, devname, 234 env_noset, env_nounset); 235 return (0); 236 } 237 /* Assuming GPT partitioning. */ 238 STAILQ_FOREACH(pp, &dp->pd_part, pd_link) { 239 if (pp->pd_handle == img->DeviceHandle) { 240 currdev.d_slice = pp->pd_unit; 241 currdev.d_partition = 255; 242 devname = efi_fmtdev(&currdev); 243 244 env_setenv("currdev", EV_VOLATILE, devname, 245 efi_setcurrdev, env_nounset); 246 env_setenv("loaddev", EV_VOLATILE, devname, 247 env_noset, env_nounset); 248 return (0); 249 } 250 } 251 } 252 253 pdi_list = efiblk_get_pdinfo_list(&efipart_cddev); 254 STAILQ_FOREACH(dp, pdi_list, pd_link) { 255 if (dp->pd_handle == img->DeviceHandle || 256 dp->pd_alias == img->DeviceHandle) { 257 set_devdesc_currdev(&efipart_cddev, dp->pd_unit); 258 return (0); 259 } 260 } 261 262 pdi_list = efiblk_get_pdinfo_list(&efipart_fddev); 263 STAILQ_FOREACH(dp, pdi_list, pd_link) { 264 if (dp->pd_handle == img->DeviceHandle) { 265 set_devdesc_currdev(&efipart_fddev, dp->pd_unit); 266 return (0); 267 } 268 } 269 270 /* 271 * Try the device handle from our loaded image first. If that 272 * fails, use the device path from the loaded image and see if 273 * any of the nodes in that path match one of the enumerated 274 * handles. 275 */ 276 if (efi_handle_lookup(img->DeviceHandle, &dev, &unit, &extra) == 0) { 277 set_devdesc_currdev(dev, unit); 278 return (0); 279 } 280 281 copy = NULL; 282 devpath = efi_lookup_image_devpath(IH); 283 while (devpath != NULL) { 284 h = efi_devpath_handle(devpath); 285 if (h == NULL) 286 break; 287 288 free(copy); 289 copy = NULL; 290 291 if (efi_handle_lookup(h, &dev, &unit, &extra) == 0) { 292 set_devdesc_currdev(dev, unit); 293 return (0); 294 } 295 296 devpath = efi_lookup_devpath(h); 297 if (devpath != NULL) { 298 copy = efi_devpath_trim(devpath); 299 devpath = copy; 300 } 301 } 302 free(copy); 303 304 return (ENOENT); 305 } 306 307 EFI_STATUS 308 main(int argc, CHAR16 *argv[]) 309 { 310 char var[128]; 311 EFI_GUID *guid; 312 int i, j, vargood, howto; 313 UINTN k; 314 int has_kbd; 315 CHAR16 *text; 316 UINT16 boot_current; 317 size_t sz; 318 UINT16 boot_order[100]; 319 EFI_DEVICE_PATH *imgpath; 320 EFI_STATUS status; 321 #if !defined(__arm__) 322 char buf[40]; 323 #endif 324 325 archsw.arch_autoload = efi_autoload; 326 archsw.arch_getdev = efi_getdev; 327 archsw.arch_copyin = efi_copyin; 328 archsw.arch_copyout = efi_copyout; 329 archsw.arch_readin = efi_readin; 330 #ifdef EFI_ZFS_BOOT 331 /* Note this needs to be set before ZFS init. */ 332 archsw.arch_zfs_probe = efi_zfs_probe; 333 #endif 334 335 /* Get our loaded image protocol interface structure. */ 336 BS->HandleProtocol(IH, &imgid, (VOID**)&img); 337 338 /* Init the time source */ 339 efi_time_init(); 340 341 has_kbd = has_keyboard(); 342 343 /* 344 * XXX Chicken-and-egg problem; we want to have console output 345 * early, but some console attributes may depend on reading from 346 * eg. the boot device, which we can't do yet. We can use 347 * printf() etc. once this is done. 348 */ 349 cons_probe(); 350 351 /* 352 * Initialise the block cache. Set the upper limit. 353 */ 354 bcache_init(32768, 512); 355 356 /* 357 * Parse the args to set the console settings, etc 358 * boot1.efi passes these in, if it can read /boot.config or /boot/config 359 * or iPXE may be setup to pass these in. 360 * 361 * Loop through the args, and for each one that contains an '=' that is 362 * not the first character, add it to the environment. This allows 363 * loader and kernel env vars to be passed on the command line. Convert 364 * args from UCS-2 to ASCII (16 to 8 bit) as they are copied. 365 */ 366 howto = 0; 367 for (i = 1; i < argc; i++) { 368 if (argv[i][0] == '-') { 369 for (j = 1; argv[i][j] != 0; j++) { 370 int ch; 371 372 ch = argv[i][j]; 373 switch (ch) { 374 case 'a': 375 howto |= RB_ASKNAME; 376 break; 377 case 'd': 378 howto |= RB_KDB; 379 break; 380 case 'D': 381 howto |= RB_MULTIPLE; 382 break; 383 case 'h': 384 howto |= RB_SERIAL; 385 break; 386 case 'm': 387 howto |= RB_MUTE; 388 break; 389 case 'p': 390 howto |= RB_PAUSE; 391 break; 392 case 'P': 393 if (!has_kbd) 394 howto |= RB_SERIAL | RB_MULTIPLE; 395 break; 396 case 'r': 397 howto |= RB_DFLTROOT; 398 break; 399 case 's': 400 howto |= RB_SINGLE; 401 break; 402 case 'S': 403 if (argv[i][j + 1] == 0) { 404 if (i + 1 == argc) { 405 setenv("comconsole_speed", "115200", 1); 406 } else { 407 cpy16to8(&argv[i + 1][0], var, 408 sizeof(var)); 409 setenv("comconsole_speed", var, 1); 410 } 411 i++; 412 break; 413 } else { 414 cpy16to8(&argv[i][j + 1], var, 415 sizeof(var)); 416 setenv("comconsole_speed", var, 1); 417 break; 418 } 419 case 'v': 420 howto |= RB_VERBOSE; 421 break; 422 } 423 } 424 } else { 425 vargood = 0; 426 for (j = 0; argv[i][j] != 0; j++) { 427 if (j == sizeof(var)) { 428 vargood = 0; 429 break; 430 } 431 if (j > 0 && argv[i][j] == '=') 432 vargood = 1; 433 var[j] = (char)argv[i][j]; 434 } 435 if (vargood) { 436 var[j] = 0; 437 putenv(var); 438 } 439 } 440 } 441 for (i = 0; howto_names[i].ev != NULL; i++) 442 if (howto & howto_names[i].mask) 443 setenv(howto_names[i].ev, "YES", 1); 444 if (howto & RB_MULTIPLE) { 445 if (howto & RB_SERIAL) 446 setenv("console", "comconsole efi" , 1); 447 else 448 setenv("console", "efi comconsole" , 1); 449 } else if (howto & RB_SERIAL) { 450 setenv("console", "comconsole" , 1); 451 } 452 453 if (efi_copy_init()) { 454 printf("failed to allocate staging area\n"); 455 return (EFI_BUFFER_TOO_SMALL); 456 } 457 458 /* 459 * Scan the BLOCK IO MEDIA handles then 460 * march through the device switch probing for things. 461 */ 462 if ((i = efipart_inithandles()) == 0) { 463 for (i = 0; devsw[i] != NULL; i++) 464 if (devsw[i]->dv_init != NULL) 465 (devsw[i]->dv_init)(); 466 } else 467 printf("efipart_inithandles failed %d, expect failures", i); 468 469 printf("Command line arguments:"); 470 for (i = 0; i < argc; i++) 471 printf(" %S", argv[i]); 472 printf("\n"); 473 474 printf("Image base: 0x%lx\n", (u_long)img->ImageBase); 475 printf("EFI version: %d.%02d\n", ST->Hdr.Revision >> 16, 476 ST->Hdr.Revision & 0xffff); 477 printf("EFI Firmware: %S (rev %d.%02d)\n", ST->FirmwareVendor, 478 ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); 479 480 printf("\n%s", bootprog_info); 481 482 text = efi_devpath_name(img->FilePath); 483 if (text != NULL) { 484 printf(" Load Path: %S\n", text); 485 efi_setenv_freebsd_wcs("LoaderPath", text); 486 efi_free_devpath_name(text); 487 } 488 489 status = BS->HandleProtocol(img->DeviceHandle, &devid, (void **)&imgpath); 490 if (status == EFI_SUCCESS) { 491 text = efi_devpath_name(imgpath); 492 if (text != NULL) { 493 printf(" Load Device: %S\n", text); 494 efi_setenv_freebsd_wcs("LoaderDev", text); 495 efi_free_devpath_name(text); 496 } 497 } 498 499 boot_current = 0; 500 sz = sizeof(boot_current); 501 efi_global_getenv("BootCurrent", &boot_current, &sz); 502 printf(" BootCurrent: %04x\n", boot_current); 503 504 sz = sizeof(boot_order); 505 efi_global_getenv("BootOrder", &boot_order, &sz); 506 printf(" BootOrder:"); 507 for (i = 0; i < sz / sizeof(boot_order[0]); i++) 508 printf(" %04x%s", boot_order[i], 509 boot_order[i] == boot_current ? "[*]" : ""); 510 printf("\n"); 511 512 /* 513 * Disable the watchdog timer. By default the boot manager sets 514 * the timer to 5 minutes before invoking a boot option. If we 515 * want to return to the boot manager, we have to disable the 516 * watchdog timer and since we're an interactive program, we don't 517 * want to wait until the user types "quit". The timer may have 518 * fired by then. We don't care if this fails. It does not prevent 519 * normal functioning in any way... 520 */ 521 BS->SetWatchdogTimer(0, 0, 0, NULL); 522 523 if (find_currdev(img) != 0) 524 return (EFI_NOT_FOUND); 525 526 efi_init_environment(); 527 setenv("LINES", "24", 1); /* optional */ 528 529 for (k = 0; k < ST->NumberOfTableEntries; k++) { 530 guid = &ST->ConfigurationTable[k].VendorGuid; 531 #if !defined(__arm__) 532 if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) { 533 snprintf(buf, sizeof(buf), "%p", 534 ST->ConfigurationTable[k].VendorTable); 535 setenv("hint.smbios.0.mem", buf, 1); 536 smbios_detect(ST->ConfigurationTable[k].VendorTable); 537 break; 538 } 539 #endif 540 } 541 542 interact(); /* doesn't return */ 543 544 return (EFI_SUCCESS); /* keep compiler happy */ 545 } 546 547 COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot); 548 549 static int 550 command_reboot(int argc, char *argv[]) 551 { 552 int i; 553 554 for (i = 0; devsw[i] != NULL; ++i) 555 if (devsw[i]->dv_cleanup != NULL) 556 (devsw[i]->dv_cleanup)(); 557 558 RS->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL); 559 560 /* NOTREACHED */ 561 return (CMD_ERROR); 562 } 563 564 COMMAND_SET(quit, "quit", "exit the loader", command_quit); 565 566 static int 567 command_quit(int argc, char *argv[]) 568 { 569 exit(0); 570 return (CMD_OK); 571 } 572 573 COMMAND_SET(memmap, "memmap", "print memory map", command_memmap); 574 575 static int 576 command_memmap(int argc, char *argv[]) 577 { 578 UINTN sz; 579 EFI_MEMORY_DESCRIPTOR *map, *p; 580 UINTN key, dsz; 581 UINT32 dver; 582 EFI_STATUS status; 583 int i, ndesc; 584 char line[80]; 585 static char *types[] = { 586 "Reserved", 587 "LoaderCode", 588 "LoaderData", 589 "BootServicesCode", 590 "BootServicesData", 591 "RuntimeServicesCode", 592 "RuntimeServicesData", 593 "ConventionalMemory", 594 "UnusableMemory", 595 "ACPIReclaimMemory", 596 "ACPIMemoryNVS", 597 "MemoryMappedIO", 598 "MemoryMappedIOPortSpace", 599 "PalCode" 600 }; 601 602 sz = 0; 603 status = BS->GetMemoryMap(&sz, 0, &key, &dsz, &dver); 604 if (status != EFI_BUFFER_TOO_SMALL) { 605 printf("Can't determine memory map size\n"); 606 return (CMD_ERROR); 607 } 608 map = malloc(sz); 609 status = BS->GetMemoryMap(&sz, map, &key, &dsz, &dver); 610 if (EFI_ERROR(status)) { 611 printf("Can't read memory map\n"); 612 return (CMD_ERROR); 613 } 614 615 ndesc = sz / dsz; 616 snprintf(line, sizeof(line), "%23s %12s %12s %8s %4s\n", 617 "Type", "Physical", "Virtual", "#Pages", "Attr"); 618 pager_open(); 619 if (pager_output(line)) { 620 pager_close(); 621 return (CMD_OK); 622 } 623 624 for (i = 0, p = map; i < ndesc; 625 i++, p = NextMemoryDescriptor(p, dsz)) { 626 printf("%23s %012jx %012jx %08jx ", types[p->Type], 627 (uintmax_t)p->PhysicalStart, (uintmax_t)p->VirtualStart, 628 (uintmax_t)p->NumberOfPages); 629 if (p->Attribute & EFI_MEMORY_UC) 630 printf("UC "); 631 if (p->Attribute & EFI_MEMORY_WC) 632 printf("WC "); 633 if (p->Attribute & EFI_MEMORY_WT) 634 printf("WT "); 635 if (p->Attribute & EFI_MEMORY_WB) 636 printf("WB "); 637 if (p->Attribute & EFI_MEMORY_UCE) 638 printf("UCE "); 639 if (p->Attribute & EFI_MEMORY_WP) 640 printf("WP "); 641 if (p->Attribute & EFI_MEMORY_RP) 642 printf("RP "); 643 if (p->Attribute & EFI_MEMORY_XP) 644 printf("XP "); 645 if (pager_output("\n")) 646 break; 647 } 648 649 pager_close(); 650 return (CMD_OK); 651 } 652 653 COMMAND_SET(configuration, "configuration", "print configuration tables", 654 command_configuration); 655 656 static const char * 657 guid_to_string(EFI_GUID *guid) 658 { 659 static char buf[40]; 660 661 sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", 662 guid->Data1, guid->Data2, guid->Data3, guid->Data4[0], 663 guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4], 664 guid->Data4[5], guid->Data4[6], guid->Data4[7]); 665 return (buf); 666 } 667 668 static int 669 command_configuration(int argc, char *argv[]) 670 { 671 char line[80]; 672 UINTN i; 673 674 snprintf(line, sizeof(line), "NumberOfTableEntries=%lu\n", 675 (unsigned long)ST->NumberOfTableEntries); 676 pager_open(); 677 if (pager_output(line)) { 678 pager_close(); 679 return (CMD_OK); 680 } 681 682 for (i = 0; i < ST->NumberOfTableEntries; i++) { 683 EFI_GUID *guid; 684 685 printf(" "); 686 guid = &ST->ConfigurationTable[i].VendorGuid; 687 if (!memcmp(guid, &mps, sizeof(EFI_GUID))) 688 printf("MPS Table"); 689 else if (!memcmp(guid, &acpi, sizeof(EFI_GUID))) 690 printf("ACPI Table"); 691 else if (!memcmp(guid, &acpi20, sizeof(EFI_GUID))) 692 printf("ACPI 2.0 Table"); 693 else if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) 694 printf("SMBIOS Table %p", 695 ST->ConfigurationTable[i].VendorTable); 696 else if (!memcmp(guid, &smbios3, sizeof(EFI_GUID))) 697 printf("SMBIOS3 Table"); 698 else if (!memcmp(guid, &dxe, sizeof(EFI_GUID))) 699 printf("DXE Table"); 700 else if (!memcmp(guid, &hoblist, sizeof(EFI_GUID))) 701 printf("HOB List Table"); 702 else if (!memcmp(guid, &lzmadecomp, sizeof(EFI_GUID))) 703 printf("LZMA Compression"); 704 else if (!memcmp(guid, &mpcore, sizeof(EFI_GUID))) 705 printf("ARM MpCore Information Table"); 706 else if (!memcmp(guid, &esrt, sizeof(EFI_GUID))) 707 printf("ESRT Table"); 708 else if (!memcmp(guid, &memtype, sizeof(EFI_GUID))) 709 printf("Memory Type Information Table"); 710 else if (!memcmp(guid, &debugimg, sizeof(EFI_GUID))) 711 printf("Debug Image Info Table"); 712 else if (!memcmp(guid, &fdtdtb, sizeof(EFI_GUID))) 713 printf("FDT Table"); 714 else 715 printf("Unknown Table (%s)", guid_to_string(guid)); 716 snprintf(line, sizeof(line), " at %p\n", 717 ST->ConfigurationTable[i].VendorTable); 718 if (pager_output(line)) 719 break; 720 } 721 722 pager_close(); 723 return (CMD_OK); 724 } 725 726 727 COMMAND_SET(mode, "mode", "change or display EFI text modes", command_mode); 728 729 static int 730 command_mode(int argc, char *argv[]) 731 { 732 UINTN cols, rows; 733 unsigned int mode; 734 int i; 735 char *cp; 736 char rowenv[8]; 737 EFI_STATUS status; 738 SIMPLE_TEXT_OUTPUT_INTERFACE *conout; 739 extern void HO(void); 740 741 conout = ST->ConOut; 742 743 if (argc > 1) { 744 mode = strtol(argv[1], &cp, 0); 745 if (cp[0] != '\0') { 746 printf("Invalid mode\n"); 747 return (CMD_ERROR); 748 } 749 status = conout->QueryMode(conout, mode, &cols, &rows); 750 if (EFI_ERROR(status)) { 751 printf("invalid mode %d\n", mode); 752 return (CMD_ERROR); 753 } 754 status = conout->SetMode(conout, mode); 755 if (EFI_ERROR(status)) { 756 printf("couldn't set mode %d\n", mode); 757 return (CMD_ERROR); 758 } 759 sprintf(rowenv, "%u", (unsigned)rows); 760 setenv("LINES", rowenv, 1); 761 HO(); /* set cursor */ 762 return (CMD_OK); 763 } 764 765 printf("Current mode: %d\n", conout->Mode->Mode); 766 for (i = 0; i <= conout->Mode->MaxMode; i++) { 767 status = conout->QueryMode(conout, i, &cols, &rows); 768 if (EFI_ERROR(status)) 769 continue; 770 printf("Mode %d: %u columns, %u rows\n", i, (unsigned)cols, 771 (unsigned)rows); 772 } 773 774 if (i != 0) 775 printf("Select a mode with the command \"mode <number>\"\n"); 776 777 return (CMD_OK); 778 } 779 780 #ifdef LOADER_FDT_SUPPORT 781 extern int command_fdt_internal(int argc, char *argv[]); 782 783 /* 784 * Since proper fdt command handling function is defined in fdt_loader_cmd.c, 785 * and declaring it as extern is in contradiction with COMMAND_SET() macro 786 * (which uses static pointer), we're defining wrapper function, which 787 * calls the proper fdt handling routine. 788 */ 789 static int 790 command_fdt(int argc, char *argv[]) 791 { 792 793 return (command_fdt_internal(argc, argv)); 794 } 795 796 COMMAND_SET(fdt, "fdt", "flattened device tree handling", command_fdt); 797 #endif 798 799 /* 800 * Chain load another efi loader. 801 */ 802 static int 803 command_chain(int argc, char *argv[]) 804 { 805 EFI_GUID LoadedImageGUID = LOADED_IMAGE_PROTOCOL; 806 EFI_HANDLE loaderhandle; 807 EFI_LOADED_IMAGE *loaded_image; 808 EFI_STATUS status; 809 struct stat st; 810 struct devdesc *dev; 811 char *name, *path; 812 void *buf; 813 int fd; 814 815 if (argc < 2) { 816 command_errmsg = "wrong number of arguments"; 817 return (CMD_ERROR); 818 } 819 820 name = argv[1]; 821 822 if ((fd = open(name, O_RDONLY)) < 0) { 823 command_errmsg = "no such file"; 824 return (CMD_ERROR); 825 } 826 827 if (fstat(fd, &st) < -1) { 828 command_errmsg = "stat failed"; 829 close(fd); 830 return (CMD_ERROR); 831 } 832 833 status = BS->AllocatePool(EfiLoaderCode, (UINTN)st.st_size, &buf); 834 if (status != EFI_SUCCESS) { 835 command_errmsg = "failed to allocate buffer"; 836 close(fd); 837 return (CMD_ERROR); 838 } 839 if (read(fd, buf, st.st_size) != st.st_size) { 840 command_errmsg = "error while reading the file"; 841 (void)BS->FreePool(buf); 842 close(fd); 843 return (CMD_ERROR); 844 } 845 close(fd); 846 status = BS->LoadImage(FALSE, IH, NULL, buf, st.st_size, &loaderhandle); 847 (void)BS->FreePool(buf); 848 if (status != EFI_SUCCESS) { 849 command_errmsg = "LoadImage failed"; 850 return (CMD_ERROR); 851 } 852 status = BS->HandleProtocol(loaderhandle, &LoadedImageGUID, 853 (void **)&loaded_image); 854 855 if (argc > 2) { 856 int i, len = 0; 857 CHAR16 *argp; 858 859 for (i = 2; i < argc; i++) 860 len += strlen(argv[i]) + 1; 861 862 len *= sizeof (*argp); 863 loaded_image->LoadOptions = argp = malloc (len); 864 loaded_image->LoadOptionsSize = len; 865 for (i = 2; i < argc; i++) { 866 char *ptr = argv[i]; 867 while (*ptr) 868 *(argp++) = *(ptr++); 869 *(argp++) = ' '; 870 } 871 *(--argv) = 0; 872 } 873 874 if (efi_getdev((void **)&dev, name, (const char **)&path) == 0) { 875 #ifdef EFI_ZFS_BOOT 876 struct zfs_devdesc *z_dev; 877 #endif 878 struct disk_devdesc *d_dev; 879 pdinfo_t *hd, *pd; 880 881 switch (dev->d_dev->dv_type) { 882 #ifdef EFI_ZFS_BOOT 883 case DEVT_ZFS: 884 z_dev = (struct zfs_devdesc *)dev; 885 loaded_image->DeviceHandle = 886 efizfs_get_handle_by_guid(z_dev->pool_guid); 887 break; 888 #endif 889 case DEVT_NET: 890 loaded_image->DeviceHandle = 891 efi_find_handle(dev->d_dev, dev->d_unit); 892 break; 893 default: 894 hd = efiblk_get_pdinfo(dev); 895 if (STAILQ_EMPTY(&hd->pd_part)) { 896 loaded_image->DeviceHandle = hd->pd_handle; 897 break; 898 } 899 d_dev = (struct disk_devdesc *)dev; 900 STAILQ_FOREACH(pd, &hd->pd_part, pd_link) { 901 /* 902 * d_partition should be 255 903 */ 904 if (pd->pd_unit == (uint32_t)d_dev->d_slice) { 905 loaded_image->DeviceHandle = 906 pd->pd_handle; 907 break; 908 } 909 } 910 break; 911 } 912 } 913 914 dev_cleanup(); 915 status = BS->StartImage(loaderhandle, NULL, NULL); 916 if (status != EFI_SUCCESS) { 917 command_errmsg = "StartImage failed"; 918 free(loaded_image->LoadOptions); 919 loaded_image->LoadOptions = NULL; 920 status = BS->UnloadImage(loaded_image); 921 return (CMD_ERROR); 922 } 923 924 return (CMD_ERROR); /* not reached */ 925 } 926 927 COMMAND_SET(chain, "chain", "chain load file", command_chain); 928