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_type = currdev.d_dev->dv_type; 179 currdev.d_unit = unit; 180 currdev.d_opendata = NULL; 181 devname = efi_fmtdev(&currdev); 182 183 env_setenv("currdev", EV_VOLATILE, devname, efi_setcurrdev, 184 env_nounset); 185 env_setenv("loaddev", EV_VOLATILE, devname, env_noset, env_nounset); 186 } 187 188 static int 189 find_currdev(EFI_LOADED_IMAGE *img) 190 { 191 pdinfo_list_t *pdi_list; 192 pdinfo_t *dp, *pp; 193 EFI_DEVICE_PATH *devpath, *copy; 194 EFI_HANDLE h; 195 char *devname; 196 struct devsw *dev; 197 int unit; 198 uint64_t extra; 199 200 #ifdef EFI_ZFS_BOOT 201 /* Did efi_zfs_probe() detect the boot pool? */ 202 if (pool_guid != 0) { 203 struct zfs_devdesc currdev; 204 205 currdev.d_dev = &zfs_dev; 206 currdev.d_unit = 0; 207 currdev.d_type = currdev.d_dev->dv_type; 208 currdev.d_opendata = NULL; 209 currdev.pool_guid = pool_guid; 210 currdev.root_guid = 0; 211 devname = efi_fmtdev(&currdev); 212 213 env_setenv("currdev", EV_VOLATILE, devname, efi_setcurrdev, 214 env_nounset); 215 env_setenv("loaddev", EV_VOLATILE, devname, env_noset, 216 env_nounset); 217 init_zfs_bootenv(devname); 218 return (0); 219 } 220 #endif /* EFI_ZFS_BOOT */ 221 222 /* We have device lists for hd, cd, fd, walk them all. */ 223 pdi_list = efiblk_get_pdinfo_list(&efipart_hddev); 224 STAILQ_FOREACH(dp, pdi_list, pd_link) { 225 struct disk_devdesc currdev; 226 227 currdev.d_dev = &efipart_hddev; 228 currdev.d_type = currdev.d_dev->dv_type; 229 currdev.d_unit = dp->pd_unit; 230 currdev.d_opendata = NULL; 231 currdev.d_slice = -1; 232 currdev.d_partition = -1; 233 234 if (dp->pd_handle == img->DeviceHandle) { 235 devname = efi_fmtdev(&currdev); 236 237 env_setenv("currdev", EV_VOLATILE, devname, 238 efi_setcurrdev, env_nounset); 239 env_setenv("loaddev", EV_VOLATILE, devname, 240 env_noset, env_nounset); 241 return (0); 242 } 243 /* Assuming GPT partitioning. */ 244 STAILQ_FOREACH(pp, &dp->pd_part, pd_link) { 245 if (pp->pd_handle == img->DeviceHandle) { 246 currdev.d_slice = pp->pd_unit; 247 currdev.d_partition = 255; 248 devname = efi_fmtdev(&currdev); 249 250 env_setenv("currdev", EV_VOLATILE, devname, 251 efi_setcurrdev, env_nounset); 252 env_setenv("loaddev", EV_VOLATILE, devname, 253 env_noset, env_nounset); 254 return (0); 255 } 256 } 257 } 258 259 pdi_list = efiblk_get_pdinfo_list(&efipart_cddev); 260 STAILQ_FOREACH(dp, pdi_list, pd_link) { 261 if (dp->pd_handle == img->DeviceHandle || 262 dp->pd_alias == img->DeviceHandle) { 263 set_devdesc_currdev(&efipart_cddev, dp->pd_unit); 264 return (0); 265 } 266 } 267 268 pdi_list = efiblk_get_pdinfo_list(&efipart_fddev); 269 STAILQ_FOREACH(dp, pdi_list, pd_link) { 270 if (dp->pd_handle == img->DeviceHandle) { 271 set_devdesc_currdev(&efipart_fddev, dp->pd_unit); 272 return (0); 273 } 274 } 275 276 /* 277 * Try the device handle from our loaded image first. If that 278 * fails, use the device path from the loaded image and see if 279 * any of the nodes in that path match one of the enumerated 280 * handles. 281 */ 282 if (efi_handle_lookup(img->DeviceHandle, &dev, &unit, &extra) == 0) { 283 set_devdesc_currdev(dev, unit); 284 return (0); 285 } 286 287 copy = NULL; 288 devpath = efi_lookup_image_devpath(IH); 289 while (devpath != NULL) { 290 h = efi_devpath_handle(devpath); 291 if (h == NULL) 292 break; 293 294 free(copy); 295 copy = NULL; 296 297 if (efi_handle_lookup(h, &dev, &unit, &extra) == 0) { 298 set_devdesc_currdev(dev, unit); 299 return (0); 300 } 301 302 devpath = efi_lookup_devpath(h); 303 if (devpath != NULL) { 304 copy = efi_devpath_trim(devpath); 305 devpath = copy; 306 } 307 } 308 free(copy); 309 310 return (ENOENT); 311 } 312 313 EFI_STATUS 314 main(int argc, CHAR16 *argv[]) 315 { 316 char var[128]; 317 EFI_GUID *guid; 318 int i, j, vargood, howto; 319 UINTN k; 320 int has_kbd; 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 /* 483 * Disable the watchdog timer. By default the boot manager sets 484 * the timer to 5 minutes before invoking a boot option. If we 485 * want to return to the boot manager, we have to disable the 486 * watchdog timer and since we're an interactive program, we don't 487 * want to wait until the user types "quit". The timer may have 488 * fired by then. We don't care if this fails. It does not prevent 489 * normal functioning in any way... 490 */ 491 BS->SetWatchdogTimer(0, 0, 0, NULL); 492 493 if (find_currdev(img) != 0) 494 return (EFI_NOT_FOUND); 495 496 efi_init_environment(); 497 setenv("LINES", "24", 1); /* optional */ 498 499 for (k = 0; k < ST->NumberOfTableEntries; k++) { 500 guid = &ST->ConfigurationTable[k].VendorGuid; 501 #if !defined(__arm__) 502 if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) { 503 snprintf(buf, sizeof(buf), "%p", 504 ST->ConfigurationTable[k].VendorTable); 505 setenv("hint.smbios.0.mem", buf, 1); 506 smbios_detect(ST->ConfigurationTable[k].VendorTable); 507 break; 508 } 509 #endif 510 } 511 512 interact(); /* doesn't return */ 513 514 return (EFI_SUCCESS); /* keep compiler happy */ 515 } 516 517 COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot); 518 519 static int 520 command_reboot(int argc, char *argv[]) 521 { 522 int i; 523 524 for (i = 0; devsw[i] != NULL; ++i) 525 if (devsw[i]->dv_cleanup != NULL) 526 (devsw[i]->dv_cleanup)(); 527 528 RS->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL); 529 530 /* NOTREACHED */ 531 return (CMD_ERROR); 532 } 533 534 COMMAND_SET(quit, "quit", "exit the loader", command_quit); 535 536 static int 537 command_quit(int argc, char *argv[]) 538 { 539 exit(0); 540 return (CMD_OK); 541 } 542 543 COMMAND_SET(memmap, "memmap", "print memory map", command_memmap); 544 545 static int 546 command_memmap(int argc, char *argv[]) 547 { 548 UINTN sz; 549 EFI_MEMORY_DESCRIPTOR *map, *p; 550 UINTN key, dsz; 551 UINT32 dver; 552 EFI_STATUS status; 553 int i, ndesc; 554 char line[80]; 555 static char *types[] = { 556 "Reserved", 557 "LoaderCode", 558 "LoaderData", 559 "BootServicesCode", 560 "BootServicesData", 561 "RuntimeServicesCode", 562 "RuntimeServicesData", 563 "ConventionalMemory", 564 "UnusableMemory", 565 "ACPIReclaimMemory", 566 "ACPIMemoryNVS", 567 "MemoryMappedIO", 568 "MemoryMappedIOPortSpace", 569 "PalCode" 570 }; 571 572 sz = 0; 573 status = BS->GetMemoryMap(&sz, 0, &key, &dsz, &dver); 574 if (status != EFI_BUFFER_TOO_SMALL) { 575 printf("Can't determine memory map size\n"); 576 return (CMD_ERROR); 577 } 578 map = malloc(sz); 579 status = BS->GetMemoryMap(&sz, map, &key, &dsz, &dver); 580 if (EFI_ERROR(status)) { 581 printf("Can't read memory map\n"); 582 return (CMD_ERROR); 583 } 584 585 ndesc = sz / dsz; 586 snprintf(line, sizeof(line), "%23s %12s %12s %8s %4s\n", 587 "Type", "Physical", "Virtual", "#Pages", "Attr"); 588 pager_open(); 589 if (pager_output(line)) { 590 pager_close(); 591 return (CMD_OK); 592 } 593 594 for (i = 0, p = map; i < ndesc; 595 i++, p = NextMemoryDescriptor(p, dsz)) { 596 printf("%23s %012jx %012jx %08jx ", types[p->Type], 597 (uintmax_t)p->PhysicalStart, (uintmax_t)p->VirtualStart, 598 (uintmax_t)p->NumberOfPages); 599 if (p->Attribute & EFI_MEMORY_UC) 600 printf("UC "); 601 if (p->Attribute & EFI_MEMORY_WC) 602 printf("WC "); 603 if (p->Attribute & EFI_MEMORY_WT) 604 printf("WT "); 605 if (p->Attribute & EFI_MEMORY_WB) 606 printf("WB "); 607 if (p->Attribute & EFI_MEMORY_UCE) 608 printf("UCE "); 609 if (p->Attribute & EFI_MEMORY_WP) 610 printf("WP "); 611 if (p->Attribute & EFI_MEMORY_RP) 612 printf("RP "); 613 if (p->Attribute & EFI_MEMORY_XP) 614 printf("XP "); 615 if (pager_output("\n")) 616 break; 617 } 618 619 pager_close(); 620 return (CMD_OK); 621 } 622 623 COMMAND_SET(configuration, "configuration", "print configuration tables", 624 command_configuration); 625 626 static const char * 627 guid_to_string(EFI_GUID *guid) 628 { 629 static char buf[40]; 630 631 sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", 632 guid->Data1, guid->Data2, guid->Data3, guid->Data4[0], 633 guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4], 634 guid->Data4[5], guid->Data4[6], guid->Data4[7]); 635 return (buf); 636 } 637 638 static int 639 command_configuration(int argc, char *argv[]) 640 { 641 char line[80]; 642 UINTN i; 643 644 snprintf(line, sizeof(line), "NumberOfTableEntries=%lu\n", 645 (unsigned long)ST->NumberOfTableEntries); 646 pager_open(); 647 if (pager_output(line)) { 648 pager_close(); 649 return (CMD_OK); 650 } 651 652 for (i = 0; i < ST->NumberOfTableEntries; i++) { 653 EFI_GUID *guid; 654 655 printf(" "); 656 guid = &ST->ConfigurationTable[i].VendorGuid; 657 if (!memcmp(guid, &mps, sizeof(EFI_GUID))) 658 printf("MPS Table"); 659 else if (!memcmp(guid, &acpi, sizeof(EFI_GUID))) 660 printf("ACPI Table"); 661 else if (!memcmp(guid, &acpi20, sizeof(EFI_GUID))) 662 printf("ACPI 2.0 Table"); 663 else if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) 664 printf("SMBIOS Table %p", 665 ST->ConfigurationTable[i].VendorTable); 666 else if (!memcmp(guid, &smbios3, sizeof(EFI_GUID))) 667 printf("SMBIOS3 Table"); 668 else if (!memcmp(guid, &dxe, sizeof(EFI_GUID))) 669 printf("DXE Table"); 670 else if (!memcmp(guid, &hoblist, sizeof(EFI_GUID))) 671 printf("HOB List Table"); 672 else if (!memcmp(guid, &lzmadecomp, sizeof(EFI_GUID))) 673 printf("LZMA Compression"); 674 else if (!memcmp(guid, &mpcore, sizeof(EFI_GUID))) 675 printf("ARM MpCore Information Table"); 676 else if (!memcmp(guid, &esrt, sizeof(EFI_GUID))) 677 printf("ESRT Table"); 678 else if (!memcmp(guid, &memtype, sizeof(EFI_GUID))) 679 printf("Memory Type Information Table"); 680 else if (!memcmp(guid, &debugimg, sizeof(EFI_GUID))) 681 printf("Debug Image Info Table"); 682 else if (!memcmp(guid, &fdtdtb, sizeof(EFI_GUID))) 683 printf("FDT Table"); 684 else 685 printf("Unknown Table (%s)", guid_to_string(guid)); 686 snprintf(line, sizeof(line), " at %p\n", 687 ST->ConfigurationTable[i].VendorTable); 688 if (pager_output(line)) 689 break; 690 } 691 692 pager_close(); 693 return (CMD_OK); 694 } 695 696 697 COMMAND_SET(mode, "mode", "change or display EFI text modes", command_mode); 698 699 static int 700 command_mode(int argc, char *argv[]) 701 { 702 UINTN cols, rows; 703 unsigned int mode; 704 int i; 705 char *cp; 706 char rowenv[8]; 707 EFI_STATUS status; 708 SIMPLE_TEXT_OUTPUT_INTERFACE *conout; 709 extern void HO(void); 710 711 conout = ST->ConOut; 712 713 if (argc > 1) { 714 mode = strtol(argv[1], &cp, 0); 715 if (cp[0] != '\0') { 716 printf("Invalid mode\n"); 717 return (CMD_ERROR); 718 } 719 status = conout->QueryMode(conout, mode, &cols, &rows); 720 if (EFI_ERROR(status)) { 721 printf("invalid mode %d\n", mode); 722 return (CMD_ERROR); 723 } 724 status = conout->SetMode(conout, mode); 725 if (EFI_ERROR(status)) { 726 printf("couldn't set mode %d\n", mode); 727 return (CMD_ERROR); 728 } 729 sprintf(rowenv, "%u", (unsigned)rows); 730 setenv("LINES", rowenv, 1); 731 HO(); /* set cursor */ 732 return (CMD_OK); 733 } 734 735 printf("Current mode: %d\n", conout->Mode->Mode); 736 for (i = 0; i <= conout->Mode->MaxMode; i++) { 737 status = conout->QueryMode(conout, i, &cols, &rows); 738 if (EFI_ERROR(status)) 739 continue; 740 printf("Mode %d: %u columns, %u rows\n", i, (unsigned)cols, 741 (unsigned)rows); 742 } 743 744 if (i != 0) 745 printf("Select a mode with the command \"mode <number>\"\n"); 746 747 return (CMD_OK); 748 } 749 750 #ifdef LOADER_FDT_SUPPORT 751 extern int command_fdt_internal(int argc, char *argv[]); 752 753 /* 754 * Since proper fdt command handling function is defined in fdt_loader_cmd.c, 755 * and declaring it as extern is in contradiction with COMMAND_SET() macro 756 * (which uses static pointer), we're defining wrapper function, which 757 * calls the proper fdt handling routine. 758 */ 759 static int 760 command_fdt(int argc, char *argv[]) 761 { 762 763 return (command_fdt_internal(argc, argv)); 764 } 765 766 COMMAND_SET(fdt, "fdt", "flattened device tree handling", command_fdt); 767 #endif 768 769 /* 770 * Chain load another efi loader. 771 */ 772 static int 773 command_chain(int argc, char *argv[]) 774 { 775 EFI_GUID LoadedImageGUID = LOADED_IMAGE_PROTOCOL; 776 EFI_HANDLE loaderhandle; 777 EFI_LOADED_IMAGE *loaded_image; 778 EFI_STATUS status; 779 struct stat st; 780 struct devdesc *dev; 781 char *name, *path; 782 void *buf; 783 int fd; 784 785 if (argc < 2) { 786 command_errmsg = "wrong number of arguments"; 787 return (CMD_ERROR); 788 } 789 790 name = argv[1]; 791 792 if ((fd = open(name, O_RDONLY)) < 0) { 793 command_errmsg = "no such file"; 794 return (CMD_ERROR); 795 } 796 797 if (fstat(fd, &st) < -1) { 798 command_errmsg = "stat failed"; 799 close(fd); 800 return (CMD_ERROR); 801 } 802 803 status = BS->AllocatePool(EfiLoaderCode, (UINTN)st.st_size, &buf); 804 if (status != EFI_SUCCESS) { 805 command_errmsg = "failed to allocate buffer"; 806 close(fd); 807 return (CMD_ERROR); 808 } 809 if (read(fd, buf, st.st_size) != st.st_size) { 810 command_errmsg = "error while reading the file"; 811 (void)BS->FreePool(buf); 812 close(fd); 813 return (CMD_ERROR); 814 } 815 close(fd); 816 status = BS->LoadImage(FALSE, IH, NULL, buf, st.st_size, &loaderhandle); 817 (void)BS->FreePool(buf); 818 if (status != EFI_SUCCESS) { 819 command_errmsg = "LoadImage failed"; 820 return (CMD_ERROR); 821 } 822 status = BS->HandleProtocol(loaderhandle, &LoadedImageGUID, 823 (void **)&loaded_image); 824 825 if (argc > 2) { 826 int i, len = 0; 827 CHAR16 *argp; 828 829 for (i = 2; i < argc; i++) 830 len += strlen(argv[i]) + 1; 831 832 len *= sizeof (*argp); 833 loaded_image->LoadOptions = argp = malloc (len); 834 loaded_image->LoadOptionsSize = len; 835 for (i = 2; i < argc; i++) { 836 char *ptr = argv[i]; 837 while (*ptr) 838 *(argp++) = *(ptr++); 839 *(argp++) = ' '; 840 } 841 *(--argv) = 0; 842 } 843 844 if (efi_getdev((void **)&dev, name, (const char **)&path) == 0) { 845 #ifdef EFI_ZFS_BOOT 846 struct zfs_devdesc *z_dev; 847 #endif 848 struct disk_devdesc *d_dev; 849 pdinfo_t *hd, *pd; 850 851 switch (dev->d_type) { 852 #ifdef EFI_ZFS_BOOT 853 case DEVT_ZFS: 854 z_dev = (struct zfs_devdesc *)dev; 855 loaded_image->DeviceHandle = 856 efizfs_get_handle_by_guid(z_dev->pool_guid); 857 break; 858 #endif 859 case DEVT_NET: 860 loaded_image->DeviceHandle = 861 efi_find_handle(dev->d_dev, dev->d_unit); 862 break; 863 default: 864 hd = efiblk_get_pdinfo(dev); 865 if (STAILQ_EMPTY(&hd->pd_part)) { 866 loaded_image->DeviceHandle = hd->pd_handle; 867 break; 868 } 869 d_dev = (struct disk_devdesc *)dev; 870 STAILQ_FOREACH(pd, &hd->pd_part, pd_link) { 871 /* 872 * d_partition should be 255 873 */ 874 if (pd->pd_unit == (uint32_t)d_dev->d_slice) { 875 loaded_image->DeviceHandle = 876 pd->pd_handle; 877 break; 878 } 879 } 880 break; 881 } 882 } 883 884 dev_cleanup(); 885 status = BS->StartImage(loaderhandle, NULL, NULL); 886 if (status != EFI_SUCCESS) { 887 command_errmsg = "StartImage failed"; 888 free(loaded_image->LoadOptions); 889 loaded_image->LoadOptions = NULL; 890 status = BS->UnloadImage(loaded_image); 891 return (CMD_ERROR); 892 } 893 894 return (CMD_ERROR); /* not reached */ 895 } 896 897 COMMAND_SET(chain, "chain", "chain load file", command_chain); 898