1/** @file 2 EFI Shell protocol as defined in the UEFI Shell 2.0 specification including errata. 3 4 (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR> 5 Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR> 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14**/ 15 16#ifndef __EFI_SHELL_PROTOCOL_H__ 17#define __EFI_SHELL_PROTOCOL_H__ 18 19#include <Guid/FileInfo.h> 20 21#define EFI_SHELL_PROTOCOL_GUID \ 22 { \ 23 0x6302d008, 0x7f9b, 0x4f30, { 0x87, 0xac, 0x60, 0xc9, 0xfe, 0xf5, 0xda, 0x4e } \ 24 } 25typedef VOID *SHELL_FILE_HANDLE; 26 27typedef enum { 28 /// 29 /// The operation completed successfully. 30 /// 31 SHELL_SUCCESS = 0, 32 33 /// 34 /// The image failed to load. 35 /// 36 SHELL_LOAD_ERROR = 1, 37 38 /// 39 /// The parameter was incorrect. 40 /// 41 SHELL_INVALID_PARAMETER = 2, 42 43 /// 44 /// The operation is not supported. 45 /// 46 SHELL_UNSUPPORTED = 3, 47 48 /// 49 /// The buffer was not the proper size for the request. 50 /// 51 SHELL_BAD_BUFFER_SIZE = 4, 52 53 /// 54 /// The buffer was not large enough to hold the requested data. 55 /// The required buffer size is returned in the appropriate 56 /// parameter when this error occurs. 57 /// 58 SHELL_BUFFER_TOO_SMALL = 5, 59 60 /// 61 /// There is no data pending upon return. 62 /// 63 SHELL_NOT_READY = 6, 64 65 /// 66 /// The physical device reported an error while attempting the 67 /// operation. 68 /// 69 SHELL_DEVICE_ERROR = 7, 70 71 /// 72 /// The device cannot be written to. 73 /// 74 SHELL_WRITE_PROTECTED = 8, 75 76 /// 77 /// The resource has run out. 78 /// 79 SHELL_OUT_OF_RESOURCES = 9, 80 81 /// 82 /// An inconsistency was detected on the file system causing the 83 /// operation to fail. 84 /// 85 SHELL_VOLUME_CORRUPTED = 10, 86 87 /// 88 /// There is no more space on the file system. 89 /// 90 SHELL_VOLUME_FULL = 11, 91 92 /// 93 /// The device does not contain any medium to perform the 94 /// operation. 95 /// 96 SHELL_NO_MEDIA = 12, 97 98 /// 99 /// The medium in the device has changed since the last 100 /// access. 101 /// 102 SHELL_MEDIA_CHANGED = 13, 103 104 /// 105 /// The item was not found. 106 /// 107 SHELL_NOT_FOUND = 14, 108 109 /// 110 /// Access was denied. 111 /// 112 SHELL_ACCESS_DENIED = 15, 113 114 // note the skipping of 16 and 17 115 116 /// 117 /// A timeout time expired. 118 /// 119 SHELL_TIMEOUT = 18, 120 121 /// 122 /// The protocol has not been started. 123 /// 124 SHELL_NOT_STARTED = 19, 125 126 /// 127 /// The protocol has already been started. 128 /// 129 SHELL_ALREADY_STARTED = 20, 130 131 /// 132 /// The operation was aborted. 133 /// 134 SHELL_ABORTED = 21, 135 136 // note the skipping of 22, 23, and 24 137 138 /// 139 /// A function encountered an internal version that was 140 /// incompatible with a version requested by the caller. 141 /// 142 SHELL_INCOMPATIBLE_VERSION = 25, 143 144 /// 145 /// The function was not performed due to a security violation. 146 /// 147 SHELL_SECURITY_VIOLATION = 26, 148 149 /// 150 /// The function was performed and resulted in an unequal 151 /// comparison.. 152 /// 153 SHELL_NOT_EQUAL = 27 154} SHELL_STATUS; 155 156 157// replaced EFI_LIST_ENTRY with LIST_ENTRY for simplicity. 158// they are identical outside of the name. 159typedef struct { 160 LIST_ENTRY Link; ///< Linked list members. 161 EFI_STATUS Status; ///< Status of opening the file. Valid only if Handle != NULL. 162 CONST CHAR16 *FullName; ///< Fully qualified filename. 163 CONST CHAR16 *FileName; ///< name of this file. 164 SHELL_FILE_HANDLE Handle; ///< Handle for interacting with the opened file or NULL if closed. 165 EFI_FILE_INFO *Info; ///< Pointer to the FileInfo struct for this file or NULL. 166} EFI_SHELL_FILE_INFO; 167 168/** 169 Returns whether any script files are currently being processed. 170 171 @retval TRUE There is at least one script file active. 172 @retval FALSE No script files are active now. 173 174**/ 175typedef 176BOOLEAN 177(EFIAPI *EFI_SHELL_BATCH_IS_ACTIVE) ( 178 VOID 179 ); 180 181/** 182 Closes the file handle. 183 184 This function closes a specified file handle. All 'dirty' cached file data is 185 flushed to the device, and the file is closed. In all cases, the handle is 186 closed. 187 188 @param[in] FileHandle The file handle to be closed. 189 190 @retval EFI_SUCCESS The file closed sucessfully. 191**/ 192typedef 193EFI_STATUS 194(EFIAPI *EFI_SHELL_CLOSE_FILE)( 195 IN SHELL_FILE_HANDLE FileHandle 196 ); 197 198/** 199 Creates a file or directory by name. 200 201 This function creates an empty new file or directory with the specified attributes and 202 returns the new file's handle. If the file already exists and is read-only, then 203 EFI_INVALID_PARAMETER will be returned. 204 205 If the file already existed, it is truncated and its attributes updated. If the file is 206 created successfully, the FileHandle is the file's handle, else, the FileHandle is NULL. 207 208 If the file name begins with >v, then the file handle which is returned refers to the 209 shell environment variable with the specified name. If the shell environment variable 210 already exists and is non-volatile then EFI_INVALID_PARAMETER is returned. 211 212 @param[in] FileName Pointer to NULL-terminated file path. 213 @param[in] FileAttribs The new file's attrbiutes. The different attributes are 214 described in EFI_FILE_PROTOCOL.Open(). 215 @param[out] FileHandle On return, points to the created file handle or directory's handle. 216 217 @retval EFI_SUCCESS The file was opened. FileHandle points to the new file's handle. 218 @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value. 219 @retval EFI_UNSUPPORTED The file path could not be opened. 220 @retval EFI_NOT_FOUND The specified file could not be found on the device, or could not 221 file the file system on the device. 222 @retval EFI_NO_MEDIA The device has no medium. 223 @retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no 224 longer supported. 225 @retval EFI_DEVICE_ERROR The device reported an error or can't get the file path according 226 the DirName. 227 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. 228 @retval EFI_WRITE_PROTECTED An attempt was made to create a file, or open a file for write 229 when the media is write-protected. 230 @retval EFI_ACCESS_DENIED The service denied access to the file. 231 @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the file. 232 @retval EFI_VOLUME_FULL The volume is full. 233**/ 234typedef 235EFI_STATUS 236(EFIAPI *EFI_SHELL_CREATE_FILE)( 237 IN CONST CHAR16 *FileName, 238 IN UINT64 FileAttribs, 239 OUT SHELL_FILE_HANDLE *FileHandle 240 ); 241 242/** 243 Deletes the file specified by the file handle. 244 245 This function closes and deletes a file. In all cases, the file handle is closed. If the file 246 cannot be deleted, the warning code EFI_WARN_DELETE_FAILURE is returned, but the 247 handle is still closed. 248 249 @param[in] FileHandle The file handle to delete. 250 251 @retval EFI_SUCCESS The file was closed and deleted and the handle was closed. 252 @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted. 253**/ 254typedef 255EFI_STATUS 256(EFIAPI *EFI_SHELL_DELETE_FILE)( 257 IN SHELL_FILE_HANDLE FileHandle 258 ); 259 260/** 261 Deletes the file specified by the file name. 262 263 This function deletes a file. 264 265 @param[in] FileName Points to the NULL-terminated file name. 266 267 @retval EFI_SUCCESS The file was deleted. 268 @retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted. 269**/ 270typedef 271EFI_STATUS 272(EFIAPI *EFI_SHELL_DELETE_FILE_BY_NAME)( 273 IN CONST CHAR16 *FileName 274 ); 275 276/** 277 Disables the page break output mode. 278**/ 279typedef 280VOID 281(EFIAPI *EFI_SHELL_DISABLE_PAGE_BREAK) ( 282 VOID 283 ); 284 285/** 286 Enables the page break output mode. 287**/ 288typedef 289VOID 290(EFIAPI *EFI_SHELL_ENABLE_PAGE_BREAK) ( 291 VOID 292 ); 293 294/** 295 Execute the command line. 296 297 This function creates a nested instance of the shell and executes the specified 298 command (CommandLine) with the specified environment (Environment). Upon return, 299 the status code returned by the specified command is placed in StatusCode. 300 301 If Environment is NULL, then the current environment is used and all changes made 302 by the commands executed will be reflected in the current environment. If the 303 Environment is non-NULL, then the changes made will be discarded. 304 305 The CommandLine is executed from the current working directory on the current 306 device. 307 308 @param[in] ParentImageHandle A handle of the image that is executing the specified 309 command line. 310 @param[in] CommandLine Points to the NULL-terminated UCS-2 encoded string 311 containing the command line. If NULL then the command- 312 line will be empty. 313 @param[in] Environment Points to a NULL-terminated array of environment 314 variables with the format 'x=y', where x is the 315 environment variable name and y is the value. If this 316 is NULL, then the current shell environment is used. 317 @param[out] ErrorCode Points to the status code returned by the command. 318 319 @retval EFI_SUCCESS The command executed successfully. The status code 320 returned by the command is pointed to by StatusCode. 321 @retval EFI_INVALID_PARAMETER The parameters are invalid. 322 @retval EFI_OUT_OF_RESOURCES Out of resources. 323 @retval EFI_UNSUPPORTED Nested shell invocations are not allowed. 324**/ 325typedef 326EFI_STATUS 327(EFIAPI *EFI_SHELL_EXECUTE) ( 328 IN EFI_HANDLE *ParentImageHandle, 329 IN CHAR16 *CommandLine OPTIONAL, 330 IN CHAR16 **Environment OPTIONAL, 331 OUT EFI_STATUS *StatusCode OPTIONAL 332 ); 333 334/** 335 Find files that match a specified pattern. 336 337 This function searches for all files and directories that match the specified 338 FilePattern. The FilePattern can contain wild-card characters. The resulting file 339 information is placed in the file list FileList. 340 341 The files in the file list are not opened. The OpenMode field is set to 0 and the FileInfo 342 field is set to NULL. 343 344 @param[in] FilePattern Points to a NULL-terminated shell file path, including wildcards. 345 @param[out] FileList On return, points to the start of a file list containing the names 346 of all matching files or else points to NULL if no matching files 347 were found. 348 349 @retval EFI_SUCCESS Files found. 350 @retval EFI_NOT_FOUND No files found. 351 @retval EFI_NO_MEDIA The device has no media. 352 @retval EFI_DEVICE_ERROR The device reported an error. 353 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. 354**/ 355typedef 356EFI_STATUS 357(EFIAPI *EFI_SHELL_FIND_FILES)( 358 IN CONST CHAR16 *FilePattern, 359 OUT EFI_SHELL_FILE_INFO **FileList 360 ); 361 362/** 363 Find all files in a specified directory. 364 365 @param[in] FileDirHandle Handle of the directory to search. 366 @param[out] FileList On return, points to the list of files in the directory 367 or NULL if there are no files in the directory. 368 369 @retval EFI_SUCCESS File information was returned successfully. 370 @retval EFI_VOLUME_CORRUPTED The file system structures have been corrupted. 371 @retval EFI_DEVICE_ERROR The device reported an error. 372 @retval EFI_NO_MEDIA The device media is not present. 373**/ 374typedef 375EFI_STATUS 376(EFIAPI *EFI_SHELL_FIND_FILES_IN_DIR)( 377IN SHELL_FILE_HANDLE FileDirHandle, 378OUT EFI_SHELL_FILE_INFO **FileList 379); 380 381/** 382 Flushes data back to a device. 383 384 This function flushes all modified data associated with a file to a device. 385 386 @param[in] FileHandle The handle of the file to flush. 387 388 @retval EFI_SUCCESS The data was flushed. 389 @retval EFI_NO_MEDIA The device has no medium. 390 @retval EFI_DEVICE_ERROR The device reported an error. 391 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. 392 @retval EFI_WRITE_PROTECTED The file or medium is write-protected. 393 @retval EFI_ACCESS_DENIED The file was opened read-only. 394 @retval EFI_VOLUME_FULL The volume is full. 395**/ 396typedef 397EFI_STATUS 398(EFIAPI *EFI_SHELL_FLUSH_FILE)( 399 IN SHELL_FILE_HANDLE FileHandle 400 ); 401 402/** 403 Frees the file list. 404 405 This function cleans up the file list and any related data structures. It has no 406 impact on the files themselves. 407 408 @param[in] FileList The file list to free. Type EFI_SHELL_FILE_INFO is 409 defined in OpenFileList(). 410 411 @retval EFI_SUCCESS Free the file list successfully. 412**/ 413typedef 414EFI_STATUS 415(EFIAPI *EFI_SHELL_FREE_FILE_LIST) ( 416 IN EFI_SHELL_FILE_INFO **FileList 417 ); 418 419/** 420 Returns the current directory on the specified device. 421 422 If FileSystemMapping is NULL, it returns the current working directory. If the 423 FileSystemMapping is not NULL, it returns the current directory associated with the 424 FileSystemMapping. In both cases, the returned name includes the file system 425 mapping (i.e. fs0:\current-dir). 426 427 Note that the current directory string should exclude the tailing backslash character. 428 429 @param[in] FileSystemMapping A pointer to the file system mapping. If NULL, 430 then the current working directory is returned. 431 432 @retval !=NULL The current directory. 433 @retval NULL Current directory does not exist. 434**/ 435typedef 436CONST CHAR16 * 437(EFIAPI *EFI_SHELL_GET_CUR_DIR) ( 438 IN CONST CHAR16 *FileSystemMapping OPTIONAL 439 ); 440 441typedef UINT32 EFI_SHELL_DEVICE_NAME_FLAGS; 442#define EFI_DEVICE_NAME_USE_COMPONENT_NAME 0x00000001 443#define EFI_DEVICE_NAME_USE_DEVICE_PATH 0x00000002 444 445/** 446 Gets the name of the device specified by the device handle. 447 448 This function gets the user-readable name of the device specified by the device 449 handle. If no user-readable name could be generated, then *BestDeviceName will be 450 NULL and EFI_NOT_FOUND will be returned. 451 452 If EFI_DEVICE_NAME_USE_COMPONENT_NAME is set, then the function will return the 453 device's name using the EFI_COMPONENT_NAME2_PROTOCOL, if present on 454 DeviceHandle. 455 456 If EFI_DEVICE_NAME_USE_DEVICE_PATH is set, then the function will return the 457 device's name using the EFI_DEVICE_PATH_PROTOCOL, if present on DeviceHandle. 458 If both EFI_DEVICE_NAME_USE_COMPONENT_NAME and 459 EFI_DEVICE_NAME_USE_DEVICE_PATH are set, then 460 EFI_DEVICE_NAME_USE_COMPONENT_NAME will have higher priority. 461 462 @param[in] DeviceHandle The handle of the device. 463 @param[in] Flags Determines the possible sources of component names. 464 @param[in] Language A pointer to the language specified for the device 465 name, in the same format as described in the UEFI 466 specification, Appendix M. 467 @param[out] BestDeviceName On return, points to the callee-allocated NULL- 468 terminated name of the device. If no device name 469 could be found, points to NULL. The name must be 470 freed by the caller... 471 472 @retval EFI_SUCCESS Get the name successfully. 473 @retval EFI_NOT_FOUND Fail to get the device name. 474**/ 475typedef 476EFI_STATUS 477(EFIAPI *EFI_SHELL_GET_DEVICE_NAME) ( 478 IN EFI_HANDLE DeviceHandle, 479 IN EFI_SHELL_DEVICE_NAME_FLAGS Flags, 480 IN CHAR8 *Language, 481 OUT CHAR16 **BestDeviceName 482 ); 483 484/** 485 Gets the device path from the mapping. 486 487 This function gets the device path associated with a mapping. 488 489 @param[in] Mapping A pointer to the mapping 490 491 @retval !=NULL Pointer to the device path that corresponds to the 492 device mapping. The returned pointer does not need 493 to be freed. 494 @retval NULL There is no device path associated with the 495 specified mapping. 496**/ 497typedef 498CONST EFI_DEVICE_PATH_PROTOCOL * 499(EFIAPI *EFI_SHELL_GET_DEVICE_PATH_FROM_MAP) ( 500 IN CONST CHAR16 *Mapping 501 ); 502 503/** 504 Converts a file system style name to a device path. 505 506 This function converts a file system style name to a device path, by replacing any 507 mapping references to the associated device path. 508 509 @param[in] Path The pointer to the path. 510 511 @return The pointer of the file path. The file path is callee 512 allocated and should be freed by the caller. 513**/ 514typedef 515EFI_DEVICE_PATH_PROTOCOL * 516(EFIAPI *EFI_SHELL_GET_DEVICE_PATH_FROM_FILE_PATH) ( 517 IN CONST CHAR16 *Path 518 ); 519 520/** 521 Gets either a single or list of environment variables. 522 523 If name is not NULL then this function returns the current value of the specified 524 environment variable. 525 526 If Name is NULL than a list of all environment variable names is returned. Each a 527 NULL terminated string with a double NULL terminating the list. 528 529 @param[in] Name A pointer to the environment variable name. If 530 Name is NULL, then the function will return all 531 of the defined shell environment variables. In 532 the case where multiple environment variables are 533 being returned, each variable will be terminated by 534 a NULL, and the list will be terminated by a double 535 NULL. 536 537 @return A pointer to the returned string. 538 The returned pointer does not need to be freed by the caller. 539 540 @retval NULL The environment variable doesn't exist or there are 541 no environment variables. 542**/ 543typedef 544CONST CHAR16 * 545(EFIAPI *EFI_SHELL_GET_ENV) ( 546 IN CONST CHAR16 *Name OPTIONAL 547 ); 548 549/** 550 Gets the environment variable and Attributes, or list of environment variables. Can be 551 used instead of GetEnv(). 552 553 This function returns the current value of the specified environment variable and 554 the Attributes. If no variable name was specified, then all of the known 555 variables will be returned. 556 557 @param[in] Name A pointer to the environment variable name. If Name is NULL, 558 then the function will return all of the defined shell 559 environment variables. In the case where multiple environment 560 variables are being returned, each variable will be terminated 561 by a NULL, and the list will be terminated by a double NULL. 562 @param[out] Attributes If not NULL, a pointer to the returned attributes bitmask for 563 the environment variable. In the case where Name is NULL, and 564 multiple environment variables are being returned, Attributes 565 is undefined. 566 567 @retval NULL The environment variable doesn't exist. 568 @return The environment variable's value. The returned pointer does not 569 need to be freed by the caller. 570**/ 571typedef 572CONST CHAR16 * 573(EFIAPI *EFI_SHELL_GET_ENV_EX) ( 574 IN CONST CHAR16 *Name, 575 OUT UINT32 *Attributes OPTIONAL 576 ); 577 578/** 579 Gets the file information from an open file handle. 580 581 This function allocates a buffer to store the file's information. It's the caller's 582 responsibility to free the buffer. 583 584 @param[in] FileHandle A File Handle. 585 586 @retval NULL Cannot get the file info. 587 @return A pointer to a buffer with file information. 588**/ 589typedef 590EFI_FILE_INFO * 591(EFIAPI *EFI_SHELL_GET_FILE_INFO)( 592 IN SHELL_FILE_HANDLE FileHandle 593 ); 594 595/** 596 Converts a device path to a file system-style path. 597 598 This function converts a device path to a file system path by replacing part, or all, of 599 the device path with the file-system mapping. If there are more than one application 600 file system mappings, the one that most closely matches Path will be used. 601 602 @param[in] Path The pointer to the device path. 603 604 @return The pointer of the NULL-terminated file path. The path 605 is callee-allocated and should be freed by the caller. 606**/ 607typedef 608CHAR16 * 609(EFIAPI *EFI_SHELL_GET_FILE_PATH_FROM_DEVICE_PATH) ( 610 IN CONST EFI_DEVICE_PATH_PROTOCOL *Path 611 ); 612 613/** 614 Gets a file's current position. 615 616 This function returns the current file position for the file handle. For directories, the 617 current file position has no meaning outside of the file system driver and as such, the 618 operation is not supported. 619 620 @param[in] FileHandle The file handle on which to get the current position. 621 @param[out] Position Byte position from the start of the file. 622 623 @retval EFI_SUCCESS Data was accessed. 624 @retval EFI_UNSUPPORTED The request is not valid on open directories. 625**/ 626typedef 627EFI_STATUS 628(EFIAPI *EFI_SHELL_GET_FILE_POSITION)( 629 IN SHELL_FILE_HANDLE FileHandle, 630 OUT UINT64 *Position 631 ); 632 633/** 634 Gets the size of a file. 635 636 This function returns the size of the file specified by FileHandle. 637 638 @param[in] FileHandle The handle of the file. 639 @param[out] Size The size of this file. 640 641 @retval EFI_SUCCESS Get the file's size. 642 @retval EFI_DEVICE_ERROR Can't access the file. 643**/ 644typedef 645EFI_STATUS 646(EFIAPI *EFI_SHELL_GET_FILE_SIZE)( 647 IN SHELL_FILE_HANDLE FileHandle, 648 OUT UINT64 *Size 649 ); 650 651/** 652 Get the GUID value from a human readable name. 653 654 If GuidName is a known GUID name, then update Guid to have the correct value for 655 that GUID. 656 657 This function is only available when the major and minor versions in the 658 EfiShellProtocol are greater than or equal to 2 and 1, respectively. 659 660 @param[in] GuidName A pointer to the localized name for the GUID being queried. 661 @param[out] Guid A pointer to the GUID structure to be filled in. 662 663 @retval EFI_SUCCESS The operation was successful. 664 @retval EFI_INVALID_PARAMETER Guid was NULL. 665 @retval EFI_INVALID_PARAMETER GuidName was NULL. 666 @retval EFI_NOT_FOUND GuidName is not a known GUID Name. 667**/ 668typedef 669EFI_STATUS 670(EFIAPI *EFI_SHELL_GET_GUID_FROM_NAME)( 671 IN CONST CHAR16 *GuidName, 672 OUT EFI_GUID *Guid 673 ); 674 675/** 676 Get the human readable name for a GUID from the value. 677 678 If Guid is assigned a name, then update *GuidName to point to the name. The callee 679 should not modify the value. 680 681 This function is only available when the major and minor versions in the 682 EfiShellProtocol are greater than or equal to 2 and 1, respectively. 683 684 @param[in] Guid A pointer to the GUID being queried. 685 @param[out] GuidName A pointer to a pointer the localized to name for the GUID being requested 686 687 @retval EFI_SUCCESS The operation was successful. 688 @retval EFI_INVALID_PARAMETER Guid was NULL. 689 @retval EFI_INVALID_PARAMETER GuidName was NULL. 690 @retval EFI_NOT_FOUND Guid is not assigned a name. 691**/ 692typedef 693EFI_STATUS 694(EFIAPI *EFI_SHELL_GET_GUID_NAME)( 695 IN CONST EFI_GUID *Guid, 696 OUT CONST CHAR16 **GuidName 697 ); 698 699/** 700 Return help information about a specific command. 701 702 This function returns the help information for the specified command. The help text 703 can be internal to the shell or can be from a UEFI Shell manual page. 704 705 If Sections is specified, then each section name listed will be compared in a casesensitive 706 manner, to the section names described in Appendix B. If the section exists, 707 it will be appended to the returned help text. If the section does not exist, no 708 information will be returned. If Sections is NULL, then all help text information 709 available will be returned. 710 711 @param[in] Command Points to the NULL-terminated UEFI Shell command name. 712 @param[in] Sections Points to the NULL-terminated comma-delimited 713 section names to return. If NULL, then all 714 sections will be returned. 715 @param[out] HelpText On return, points to a callee-allocated buffer 716 containing all specified help text. 717 718 @retval EFI_SUCCESS The help text was returned. 719 @retval EFI_OUT_OF_RESOURCES The necessary buffer could not be allocated to hold the 720 returned help text. 721 @retval EFI_INVALID_PARAMETER HelpText is NULL. 722 @retval EFI_NOT_FOUND There is no help text available for Command. 723**/ 724typedef 725EFI_STATUS 726(EFIAPI *EFI_SHELL_GET_HELP_TEXT) ( 727 IN CONST CHAR16 *Command, 728 IN CONST CHAR16 *Sections OPTIONAL, 729 OUT CHAR16 **HelpText 730 ); 731 732/** 733 Gets the mapping(s) that most closely matches the device path. 734 735 This function gets the mapping which corresponds to the device path *DevicePath. If 736 there is no exact match, then the mapping which most closely matches *DevicePath 737 is returned, and *DevicePath is updated to point to the remaining portion of the 738 device path. If there is an exact match, the mapping is returned and *DevicePath 739 points to the end-of-device-path node. 740 741 If there are multiple map names they will be semi-colon seperated in the 742 NULL-terminated string. 743 744 @param[in, out] DevicePath On entry, points to a device path pointer. On 745 exit, updates the pointer to point to the 746 portion of the device path after the mapping. 747 748 @retval NULL No mapping was found. 749 @retval !=NULL Pointer to NULL-terminated mapping. The buffer 750 is callee allocated and should be freed by the caller. 751**/ 752typedef 753CONST CHAR16 * 754(EFIAPI *EFI_SHELL_GET_MAP_FROM_DEVICE_PATH) ( 755 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath 756 ); 757 758/** 759 Gets the enable status of the page break output mode. 760 761 User can use this function to determine current page break mode. 762 763 @retval TRUE The page break output mode is enabled. 764 @retval FALSE The page break output mode is disabled. 765**/ 766typedef 767BOOLEAN 768(EFIAPI *EFI_SHELL_GET_PAGE_BREAK) ( 769 VOID 770 ); 771 772/** 773 Judges whether the active shell is the root shell. 774 775 This function makes the user to know that whether the active Shell is the root shell. 776 777 @retval TRUE The active Shell is the root Shell. 778 @retval FALSE The active Shell is NOT the root Shell. 779**/ 780typedef 781BOOLEAN 782(EFIAPI *EFI_SHELL_IS_ROOT_SHELL) ( 783VOID 784); 785 786/** 787 Opens a file or a directory by file name. 788 789 This function opens the specified file in the specified OpenMode and returns a file 790 handle. 791 If the file name begins with '>v', then the file handle which is returned refers to the 792 shell environment variable with the specified name. If the shell environment variable 793 exists, is non-volatile and the OpenMode indicates EFI_FILE_MODE_WRITE, then 794 EFI_INVALID_PARAMETER is returned. 795 796 If the file name is '>i', then the file handle which is returned refers to the standard 797 input. If the OpenMode indicates EFI_FILE_MODE_WRITE, then EFI_INVALID_PARAMETER 798 is returned. 799 800 If the file name is '>o', then the file handle which is returned refers to the standard 801 output. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER 802 is returned. 803 804 If the file name is '>e', then the file handle which is returned refers to the standard 805 error. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER 806 is returned. 807 808 If the file name is 'NUL', then the file handle that is returned refers to the standard NUL 809 file. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER is 810 returned. 811 812 If return EFI_SUCCESS, the FileHandle is the opened file's handle, else, the 813 FileHandle is NULL. 814 815 @param[in] FileName Points to the NULL-terminated UCS-2 encoded file name. 816 @param[out] FileHandle On return, points to the file handle. 817 @param[in] OpenMode File open mode. Either EFI_FILE_MODE_READ or 818 EFI_FILE_MODE_WRITE from section 12.4 of the UEFI 819 Specification. 820 @retval EFI_SUCCESS The file was opened. FileHandle has the opened file's handle. 821 @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value. FileHandle is NULL. 822 @retval EFI_UNSUPPORTED Could not open the file path. FileHandle is NULL. 823 @retval EFI_NOT_FOUND The specified file could not be found on the device or the file 824 system could not be found on the device. FileHandle is NULL. 825 @retval EFI_NO_MEDIA The device has no medium. FileHandle is NULL. 826 @retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no 827 longer supported. FileHandle is NULL. 828 @retval EFI_DEVICE_ERROR The device reported an error or can't get the file path according 829 the FileName. FileHandle is NULL. 830 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. FileHandle is NULL. 831 @retval EFI_WRITE_PROTECTED An attempt was made to create a file, or open a file for write 832 when the media is write-protected. FileHandle is NULL. 833 @retval EFI_ACCESS_DENIED The service denied access to the file. FileHandle is NULL. 834 @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the file. FileHandle 835 is NULL. 836 @retval EFI_VOLUME_FULL The volume is full. FileHandle is NULL. 837**/ 838typedef 839EFI_STATUS 840(EFIAPI *EFI_SHELL_OPEN_FILE_BY_NAME) ( 841 IN CONST CHAR16 *FileName, 842 OUT SHELL_FILE_HANDLE *FileHandle, 843 IN UINT64 OpenMode 844 ); 845 846/** 847 Opens the files that match the path specified. 848 849 This function opens all of the files specified by Path. Wildcards are processed 850 according to the rules specified in UEFI Shell 2.0 spec section 3.7.1. Each 851 matching file has an EFI_SHELL_FILE_INFO structure created in a linked list. 852 853 @param[in] Path A pointer to the path string. 854 @param[in] OpenMode Specifies the mode used to open each file, EFI_FILE_MODE_READ or 855 EFI_FILE_MODE_WRITE. 856 @param[in, out] FileList Points to the start of a list of files opened. 857 858 @retval EFI_SUCCESS Create the file list successfully. 859 @return Can't create the file list. 860**/ 861typedef 862EFI_STATUS 863(EFIAPI *EFI_SHELL_OPEN_FILE_LIST) ( 864 IN CHAR16 *Path, 865 IN UINT64 OpenMode, 866 IN OUT EFI_SHELL_FILE_INFO **FileList 867 ); 868 869/** 870 Opens the root directory of a device. 871 872 This function opens the root directory of a device and returns a file handle to it. 873 874 @param[in] DevicePath Points to the device path corresponding to the device where the 875 EFI_SIMPLE_FILE_SYSTEM_PROTOCOL is installed. 876 @param[out] FileHandle On exit, points to the file handle corresponding to the root directory on the 877 device. 878 879 @retval EFI_SUCCESS Root opened successfully. 880 @retval EFI_NOT_FOUND EFI_SIMPLE_FILE_SYSTEM could not be found or the root directory 881 could not be opened. 882 @retval EFI_VOLUME_CORRUPTED The data structures in the volume were corrupted. 883 @retval EFI_DEVICE_ERROR The device had an error. 884**/ 885typedef 886EFI_STATUS 887(EFIAPI *EFI_SHELL_OPEN_ROOT)( 888 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, 889 OUT SHELL_FILE_HANDLE *FileHandle 890 ); 891 892/** 893 Opens the root directory of a device on a handle. 894 895 This function opens the root directory of a device and returns a file handle to it. 896 897 @param[in] DeviceHandle The handle of the device that contains the volume. 898 @param[out] FileHandle On exit, points to the file handle corresponding to the root directory on the 899 device. 900 901 @retval EFI_SUCCESS Root opened successfully. 902 @retval EFI_NOT_FOUND EFI_SIMPLE_FILE_SYSTEM could not be found or the root directory 903 could not be opened. 904 @retval EFI_VOLUME_CORRUPTED The data structures in the volume were corrupted. 905 @retval EFI_DEVICE_ERROR The device had an error. 906**/ 907typedef 908EFI_STATUS 909(EFIAPI *EFI_SHELL_OPEN_ROOT_BY_HANDLE)( 910 IN EFI_HANDLE DeviceHandle, 911 OUT SHELL_FILE_HANDLE *FileHandle 912 ); 913 914/** 915 Reads data from the file. 916 917 If FileHandle is not a directory, the function reads the requested number of bytes 918 from the file at the file's current position and returns them in Buffer. If the read goes 919 beyond the end of the file, the read length is truncated to the end of the file. The file's 920 current position is increased by the number of bytes returned. 921 If FileHandle is a directory, then an error is returned. 922 923 @param[in] FileHandle The opened file handle for read. 924 @param[in] ReadSize On input, the size of Buffer, in bytes. On output, the amount of data read. 925 @param[in, out] Buffer The buffer in which data is read. 926 927 @retval EFI_SUCCESS Data was read. 928 @retval EFI_NO_MEDIA The device has no media. 929 @retval EFI_DEVICE_ERROR The device reported an error. 930 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. 931 @retval EFI_BUFFER_TO_SMALL Buffer is too small. ReadSize contains required size. 932**/ 933typedef 934EFI_STATUS 935(EFIAPI *EFI_SHELL_READ_FILE) ( 936 IN SHELL_FILE_HANDLE FileHandle, 937 IN OUT UINTN *ReadSize, 938 IN OUT VOID *Buffer 939 ); 940 941/** 942 Register a GUID and a localized human readable name for it. 943 944 If Guid is not assigned a name, then assign GuidName to Guid. This list of GUID 945 names must be used whenever a shell command outputs GUID information. 946 947 This function is only available when the major and minor versions in the 948 EfiShellProtocol are greater than or equal to 2 and 1, respectively. 949 950 @param[in] Guid A pointer to the GUID being registered. 951 @param[in] GuidName A pointer to the localized name for the GUID being registered. 952 953 @retval EFI_SUCCESS The operation was successful. 954 @retval EFI_INVALID_PARAMETER Guid was NULL. 955 @retval EFI_INVALID_PARAMETER GuidName was NULL. 956 @retval EFI_ACCESS_DENIED Guid already is assigned a name. 957**/ 958typedef 959EFI_STATUS 960(EFIAPI *EFI_SHELL_REGISTER_GUID_NAME)( 961 IN CONST EFI_GUID *Guid, 962 IN CONST CHAR16 *GuidName 963 ); 964 965/** 966 Deletes the duplicate file names files in the given file list. 967 968 @param[in] FileList A pointer to the first entry in the file list. 969 970 @retval EFI_SUCCESS Always success. 971**/ 972typedef 973EFI_STATUS 974(EFIAPI *EFI_SHELL_REMOVE_DUP_IN_FILE_LIST) ( 975 IN EFI_SHELL_FILE_INFO **FileList 976 ); 977 978/** 979 Changes a shell command alias. 980 981 This function creates an alias for a shell command. 982 983 @param[in] Command Points to the NULL-terminated shell command or existing alias. 984 @param[in] Alias Points to the NULL-terminated alias for the shell command. If this is NULL, and 985 Command refers to an alias, that alias will be deleted. 986 @param[in] Replace If TRUE and the alias already exists, then the existing alias will be replaced. If 987 FALSE and the alias already exists, then the existing alias is unchanged and 988 EFI_ACCESS_DENIED is returned. 989 @param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the 990 Alias being set will be stored in a non-volatile fashion. 991 992 @retval EFI_SUCCESS Alias created or deleted successfully. 993 @retval EFI_ACCESS_DENIED The alias is a built-in alias or already existed and Replace was set to 994 FALSE. 995**/ 996typedef 997EFI_STATUS 998(EFIAPI *EFI_SHELL_SET_ALIAS)( 999 IN CONST CHAR16 *Command, 1000 IN CONST CHAR16 *Alias, 1001 IN BOOLEAN Replace, 1002 IN BOOLEAN Volatile 1003 ); 1004 1005/** 1006 This function returns the command associated with a alias or a list of all 1007 alias'. 1008 1009 @param[in] Alias Points to the NULL-terminated shell alias. 1010 If this parameter is NULL, then all 1011 aliases will be returned in ReturnedData. 1012 @param[out] Volatile Upon return of a single command if TRUE indicates 1013 this is stored in a volatile fashion. FALSE otherwise. 1014 @return If Alias is not NULL, it will return a pointer to 1015 the NULL-terminated command for that alias. 1016 If Alias is NULL, ReturnedData points to a ';' 1017 delimited list of alias (e.g. 1018 ReturnedData = "dir;del;copy;mfp") that is NULL-terminated. 1019 @retval NULL An error ocurred. 1020 @retval NULL Alias was not a valid Alias. 1021**/ 1022typedef 1023CONST CHAR16 * 1024(EFIAPI *EFI_SHELL_GET_ALIAS)( 1025 IN CONST CHAR16 *Alias, 1026 OUT BOOLEAN *Volatile OPTIONAL 1027 ); 1028 1029/** 1030 Changes the current directory on the specified device. 1031 1032 If the FileSystem is NULL, and the directory Dir does not contain a file system's 1033 mapped name, this function changes the current working directory. If FileSystem is 1034 NULL and the directory Dir contains a mapped name, then the current file system and 1035 the current directory on that file system are changed. 1036 1037 If FileSystem is not NULL, and Dir is NULL, then this changes the current working file 1038 system. 1039 1040 If FileSystem is not NULL and Dir is not NULL, then this function changes the current 1041 directory on the specified file system. 1042 1043 If the current working directory or the current working file system is changed then the 1044 %cwd% environment variable will be updated. 1045 1046 @param[in] FileSystem A pointer to the file system's mapped name. If NULL, then the current working 1047 directory is changed. 1048 @param[in] Dir Points to the NULL-terminated directory on the device specified by FileSystem. 1049 1050 @retval NULL Current directory does not exist. 1051 @return The current directory. 1052**/ 1053typedef 1054EFI_STATUS 1055(EFIAPI *EFI_SHELL_SET_CUR_DIR) ( 1056 IN CONST CHAR16 *FileSystem OPTIONAL, 1057 IN CONST CHAR16 *Dir 1058 ); 1059 1060/** 1061 Sets the environment variable. 1062 1063 This function changes the current value of the specified environment variable. If the 1064 environment variable exists and the Value is an empty string, then the environment 1065 variable is deleted. If the environment variable exists and the Value is not an empty 1066 string, then the value of the environment variable is changed. If the environment 1067 variable does not exist and the Value is an empty string, there is no action. If the 1068 environment variable does not exist and the Value is a non-empty string, then the 1069 environment variable is created and assigned the specified value. 1070 1071 For a description of volatile and non-volatile environment variables, see UEFI Shell 1072 2.0 specification section 3.6.1. 1073 1074 @param[in] Name Points to the NULL-terminated environment variable name. 1075 @param[in] Value Points to the NULL-terminated environment variable value. If the value is an 1076 empty string then the environment variable is deleted. 1077 @param[in] Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE). 1078 1079 @retval EFI_SUCCESS The environment variable was successfully updated. 1080**/ 1081typedef 1082EFI_STATUS 1083(EFIAPI *EFI_SHELL_SET_ENV) ( 1084 IN CONST CHAR16 *Name, 1085 IN CONST CHAR16 *Value, 1086 IN BOOLEAN Volatile 1087 ); 1088 1089/** 1090 Sets the file information to an opened file handle. 1091 1092 This function changes file information. All file information in the EFI_FILE_INFO 1093 struct will be updated to the passed in data. 1094 1095 @param[in] FileHandle A file handle. 1096 @param[in] FileInfo Points to new file information. 1097 1098 @retval EFI_SUCCESS The information was set. 1099 @retval EFI_NO_MEDIA The device has no medium. 1100 @retval EFI_DEVICE_ERROR The device reported an error. 1101 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. 1102 @retval EFI_WRITE_PROTECTED The file or medium is write-protected. 1103 @retval EFI_ACCESS_DENIED The file was opened read-only. 1104 @retval EFI_VOLUME_FULL The volume is full. 1105 @retval EFI_BAD_BUFFER_SIZE BufferSize is smaller than the size of EFI_FILE_INFO. 1106**/ 1107typedef 1108EFI_STATUS 1109(EFIAPI *EFI_SHELL_SET_FILE_INFO)( 1110 IN SHELL_FILE_HANDLE FileHandle, 1111 IN CONST EFI_FILE_INFO *FileInfo 1112 ); 1113 1114/** 1115 Sets a file's current position. 1116 1117 This function sets the current file position for the handle to the position supplied. With 1118 the exception of seeking to position 0xFFFFFFFFFFFFFFFF, only absolute positioning is 1119 supported, and seeking past the end of the file is allowed (a subsequent write would 1120 grow the file). Seeking to position 0xFFFFFFFFFFFFFFFF causes the current position 1121 to be set to the end of the file. 1122 1123 @param[in] FileHandle The file handle on which requested position will be set. 1124 @param[in] Position Byte position from the start of the file. 1125 1126 @retval EFI_SUCCESS Data was written. 1127 @retval EFI_UNSUPPORTED The seek request for nonzero is not valid on open directories. 1128**/ 1129typedef 1130EFI_STATUS 1131(EFIAPI *EFI_SHELL_SET_FILE_POSITION)( 1132 IN SHELL_FILE_HANDLE FileHandle, 1133 IN UINT64 Position 1134 ); 1135 1136/** 1137 This function creates a mapping for a device path. 1138 1139 @param[in] DevicePath Points to the device path. If this is NULL and Mapping points to a valid mapping, 1140 then the mapping will be deleted. 1141 @param[in] Mapping Points to the NULL-terminated mapping for the device path. 1142 1143 @retval EFI_SUCCESS Mapping created or deleted successfully. 1144 @retval EFI_NO_MAPPING There is no handle that corresponds exactly to DevicePath. See the 1145 boot service function LocateDevicePath(). 1146 @retval EFI_ACCESS_DENIED The mapping is a built-in alias. 1147**/ 1148typedef 1149EFI_STATUS 1150(EFIAPI *EFI_SHELL_SET_MAP)( 1151 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, 1152 IN CONST CHAR16 *Mapping 1153 ); 1154 1155/** 1156 Writes data to the file. 1157 1158 This function writes the specified number of bytes to the file at the current file position. 1159 The current file position is advanced the actual number of bytes written, which is 1160 returned in BufferSize. Partial writes only occur when there has been a data error 1161 during the write attempt (such as "volume space full"). The file automatically grows to 1162 hold the data, if required. 1163 1164 Direct writes to opened directories are not supported. 1165 1166 @param[in] FileHandle The opened file handle for writing. 1167 @param[in, out] BufferSize On input, size of Buffer. 1168 @param[in] Buffer The buffer in which data to write. 1169 1170 @retval EFI_SUCCESS Data was written. 1171 @retval EFI_UNSUPPORTED Writes to open directory are not supported. 1172 @retval EFI_NO_MEDIA The device has no media. 1173 @retval EFI_DEVICE_ERROR The device reported an error. 1174 @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. 1175 @retval EFI_WRITE_PROTECTED The device is write-protected. 1176 @retval EFI_ACCESS_DENIED The file was open for read only. 1177 @retval EFI_VOLUME_FULL The volume is full. 1178**/ 1179typedef 1180EFI_STATUS 1181(EFIAPI *EFI_SHELL_WRITE_FILE)( 1182 IN SHELL_FILE_HANDLE FileHandle, 1183 IN OUT UINTN *BufferSize, 1184 IN VOID *Buffer 1185 ); 1186 1187// 1188// EFI_SHELL_PROTOCOL has been updated since UEFI Shell Spec 2.0 1189// Usage of this protocol will require version checking before attempting 1190// to use any new members. There is no need to check the version for 1191// members that existed in UEFI Shell Spec 2.0. 1192// 1193// Update below for any future UEFI Shell spec changes to this protocol. 1194// 1195// Check EFI_SHELL_PROTOCOL MajorVersion and MinorVersion: 1196// if ((2 == gEfiShellProtocol->MajorVersion) && 1197// (0 == gEfiShellProtocol->MinorVersion)) { 1198// // 1199// // Cannot call: 1200// // RegisterGuidName - UEFI Shell 2.1 1201// // GetGuidName - UEFI Shell 2.1 1202// // GetGuidFromName - UEFI Shell 2.1 1203// // GetEnvEx - UEFI Shell 2.1 1204// // 1205// } else { 1206// // 1207// // Can use all members 1208// // 1209// } 1210// 1211typedef struct _EFI_SHELL_PROTOCOL { 1212 EFI_SHELL_EXECUTE Execute; 1213 EFI_SHELL_GET_ENV GetEnv; 1214 EFI_SHELL_SET_ENV SetEnv; 1215 EFI_SHELL_GET_ALIAS GetAlias; 1216 EFI_SHELL_SET_ALIAS SetAlias; 1217 EFI_SHELL_GET_HELP_TEXT GetHelpText; 1218 EFI_SHELL_GET_DEVICE_PATH_FROM_MAP GetDevicePathFromMap; 1219 EFI_SHELL_GET_MAP_FROM_DEVICE_PATH GetMapFromDevicePath; 1220 EFI_SHELL_GET_DEVICE_PATH_FROM_FILE_PATH GetDevicePathFromFilePath; 1221 EFI_SHELL_GET_FILE_PATH_FROM_DEVICE_PATH GetFilePathFromDevicePath; 1222 EFI_SHELL_SET_MAP SetMap; 1223 EFI_SHELL_GET_CUR_DIR GetCurDir; 1224 EFI_SHELL_SET_CUR_DIR SetCurDir; 1225 EFI_SHELL_OPEN_FILE_LIST OpenFileList; 1226 EFI_SHELL_FREE_FILE_LIST FreeFileList; 1227 EFI_SHELL_REMOVE_DUP_IN_FILE_LIST RemoveDupInFileList; 1228 EFI_SHELL_BATCH_IS_ACTIVE BatchIsActive; 1229 EFI_SHELL_IS_ROOT_SHELL IsRootShell; 1230 EFI_SHELL_ENABLE_PAGE_BREAK EnablePageBreak; 1231 EFI_SHELL_DISABLE_PAGE_BREAK DisablePageBreak; 1232 EFI_SHELL_GET_PAGE_BREAK GetPageBreak; 1233 EFI_SHELL_GET_DEVICE_NAME GetDeviceName; 1234 EFI_SHELL_GET_FILE_INFO GetFileInfo; 1235 EFI_SHELL_SET_FILE_INFO SetFileInfo; 1236 EFI_SHELL_OPEN_FILE_BY_NAME OpenFileByName; 1237 EFI_SHELL_CLOSE_FILE CloseFile; 1238 EFI_SHELL_CREATE_FILE CreateFile; 1239 EFI_SHELL_READ_FILE ReadFile; 1240 EFI_SHELL_WRITE_FILE WriteFile; 1241 EFI_SHELL_DELETE_FILE DeleteFile; 1242 EFI_SHELL_DELETE_FILE_BY_NAME DeleteFileByName; 1243 EFI_SHELL_GET_FILE_POSITION GetFilePosition; 1244 EFI_SHELL_SET_FILE_POSITION SetFilePosition; 1245 EFI_SHELL_FLUSH_FILE FlushFile; 1246 EFI_SHELL_FIND_FILES FindFiles; 1247 EFI_SHELL_FIND_FILES_IN_DIR FindFilesInDir; 1248 EFI_SHELL_GET_FILE_SIZE GetFileSize; 1249 EFI_SHELL_OPEN_ROOT OpenRoot; 1250 EFI_SHELL_OPEN_ROOT_BY_HANDLE OpenRootByHandle; 1251 EFI_EVENT ExecutionBreak; 1252 UINT32 MajorVersion; 1253 UINT32 MinorVersion; 1254 // Added for Shell 2.1 1255 EFI_SHELL_REGISTER_GUID_NAME RegisterGuidName; 1256 EFI_SHELL_GET_GUID_NAME GetGuidName; 1257 EFI_SHELL_GET_GUID_FROM_NAME GetGuidFromName; 1258 EFI_SHELL_GET_ENV_EX GetEnvEx; 1259} EFI_SHELL_PROTOCOL; 1260 1261extern EFI_GUID gEfiShellProtocolGuid; 1262 1263enum ShellVersion { 1264 SHELL_MAJOR_VERSION = 2, 1265 SHELL_MINOR_VERSION = 1 1266}; 1267 1268#endif 1269