Renormalized end-of-lines from master@27b044605cd5f6b33a3d231576003850b3fe305btrunk

1 files changed, 386 insertions, 386 deletions

diff --git a/ShellPkg/Application/Shell/Shell.h b/ShellPkg/Application/Shell/Shell.h
index 89b4ac6b02..e3a4b8f4a3 100644
--- a/ShellPkg/Application/Shell/Shell.h
+++ b/ShellPkg/Application/Shell/Shell.h
@@ -1,386 +1,386 @@
-/** @file

-  function definitions for internal to shell functions.

-

-  (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>

-  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>

-  SPDX-License-Identifier: BSD-2-Clause-Patent

-

-**/

-

-#ifndef _SHELL_INTERNAL_HEADER_

-#define _SHELL_INTERNAL_HEADER_

-

-#include <Uefi.h>

-

-#include <Guid/ShellVariableGuid.h>

-#include <Guid/ShellAliasGuid.h>

-

-#include <Protocol/LoadedImage.h>

-#include <Protocol/SimpleTextOut.h>

-#include <Protocol/Shell.h>

-#include <Protocol/EfiShellInterface.h>

-#include <Protocol/EfiShellEnvironment2.h>

-#include <Protocol/ShellParameters.h>

-#include <Protocol/BlockIo.h>

-#include <Protocol/HiiPackageList.h>

-

-#include <Library/BaseLib.h>

-#include <Library/UefiApplicationEntryPoint.h>

-#include <Library/UefiLib.h>

-#include <Library/DebugLib.h>

-#include <Library/MemoryAllocationLib.h>

-#include <Library/ShellCommandLib.h>

-#include <Library/UefiRuntimeServicesTableLib.h>

-#include <Library/UefiBootServicesTableLib.h>

-#include <Library/DevicePathLib.h>

-#include <Library/BaseMemoryLib.h>

-#include <Library/PcdLib.h>

-#include <Library/ShellLib.h>

-#include <Library/SortLib.h>

-#include <Library/HiiLib.h>

-#include <Library/PrintLib.h>

-#include <Library/HandleParsingLib.h>

-#include <Library/FileHandleLib.h>

-#include <Library/UefiHiiServicesLib.h>

-

-#include "ShellParametersProtocol.h"

-#include "ShellProtocol.h"

-#include "ShellEnvVar.h"

-#include "ConsoleLogger.h"

-#include "ShellManParser.h"

-#include "ConsoleWrappers.h"

-#include "FileHandleWrappers.h"

-

-extern CONST CHAR16  mNoNestingEnvVarName[];

-extern CONST CHAR16  mNoNestingTrue[];

-extern CONST CHAR16  mNoNestingFalse[];

-

-typedef struct {

-  LIST_ENTRY           Link;        ///< Standard linked list handler.

-  SHELL_FILE_HANDLE    SplitStdOut; ///< ConsoleOut for use in the split.

-  SHELL_FILE_HANDLE    SplitStdIn;  ///< ConsoleIn for use in the split.

-} SPLIT_LIST;

-

-typedef struct {

-  UINT32    Startup      : 1; ///< Was "-startup"       found on command line.

-  UINT32    NoStartup    : 1; ///< Was "-nostartup"     found on command line.

-  UINT32    NoConsoleOut : 1; ///< Was "-noconsoleout"  found on command line.

-  UINT32    NoConsoleIn  : 1; ///< Was "-noconsolein"   found on command line.

-  UINT32    NoInterrupt  : 1; ///< Was "-nointerrupt"   found on command line.

-  UINT32    NoMap        : 1; ///< Was "-nomap"         found on command line.

-  UINT32    NoVersion    : 1; ///< Was "-noversion"     found on command line.

-  UINT32    Delay        : 1; ///< Was "-delay[:n]      found on command line

-  UINT32    Exit         : 1; ///< Was "-_exit"         found on command line

-  UINT32    NoNest       : 1; ///< Was "-nonest"        found on command line

-  UINT32    Reserved     : 7; ///< Extra bits

-} SHELL_BITS;

-

-typedef union {

-  SHELL_BITS    Bits;

-  UINT16        AllBits;

-} SHELL_BIT_UNION;

-

-typedef struct {

-  SHELL_BIT_UNION    BitUnion;

-  UINTN              Delay;        ///< Seconds of delay default:5.

-  CHAR16             *FileName;    ///< Filename to run upon successful initialization.

-  CHAR16             *FileOptions; ///< Options to pass to FileName.

-} SHELL_INIT_SETTINGS;

-

-typedef struct {

-  BUFFER_LIST    CommandHistory;

-  UINTN          VisibleRowNumber;

-  UINTN          OriginalVisibleRowNumber;

-  BOOLEAN        InsertMode;                        ///< Is the current typing mode insert (FALSE = overwrite).

-} SHELL_VIEWING_SETTINGS;

-

-typedef struct {

-  EFI_SHELL_PARAMETERS_PROTOCOL    *NewShellParametersProtocol;

-  EFI_SHELL_PROTOCOL               *NewEfiShellProtocol;

-  BOOLEAN                          PageBreakEnabled;

-  BOOLEAN                          RootShellInstance;

-  SHELL_INIT_SETTINGS              ShellInitSettings;

-  BUFFER_LIST                      BufferToFreeList;  ///< List of buffers that were returned to the user to free.

-  SHELL_VIEWING_SETTINGS           ViewingSettings;

-  EFI_HII_HANDLE                   HiiHandle;           ///< Handle from HiiLib.

-  UINTN                            LogScreenCount;      ///< How many screens of log information to save.

-  EFI_EVENT                        UserBreakTimer;      ///< Timer event for polling for CTRL-C.

-  EFI_DEVICE_PATH_PROTOCOL         *ImageDevPath;       ///< DevicePath for ourselves.

-  EFI_DEVICE_PATH_PROTOCOL         *FileDevPath;        ///< DevicePath for ourselves.

-  CONSOLE_LOGGER_PRIVATE_DATA      *ConsoleInfo;        ///< Pointer for ConsoleInformation.

-  EFI_SHELL_PARAMETERS_PROTOCOL    *OldShellParameters; ///< old shell parameters to reinstall upon exiting.

-  SHELL_PROTOCOL_HANDLE_LIST       OldShellList;        ///< List of other instances to reinstall when closing.

-  SPLIT_LIST                       SplitList;           ///< List of Splits in FILO stack.

-  VOID                             *CtrlCNotifyHandle1; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlCNotifyHandle2; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlCNotifyHandle3; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlCNotifyHandle4; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlSNotifyHandle1; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlSNotifyHandle2; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlSNotifyHandle3; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  VOID                             *CtrlSNotifyHandle4; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.

-  BOOLEAN                          HaltOutput;          ///< TRUE to start a CTRL-S halt.

-} SHELL_INFO;

-

-#pragma pack(1)

-///

-/// HII specific Vendor Device Path definition.

-///

-typedef struct {

-  VENDOR_DEVICE_PATH          VendorDevicePath;

-  EFI_DEVICE_PATH_PROTOCOL    End;

-} SHELL_MAN_HII_VENDOR_DEVICE_PATH;

-#pragma pack()

-

-extern SHELL_INFO  ShellInfoObject;

-

-/**

-  Converts the command line to its post-processed form.  this replaces variables and alias' per UEFI Shell spec.

-

-  @param[in,out] CmdLine        pointer to the command line to update

-

-  @retval EFI_SUCCESS           The operation was successful

-  @retval EFI_OUT_OF_RESOURCES  A memory allocation failed.

-  @return                       some other error occurred

-**/

-EFI_STATUS

-ProcessCommandLineToFinal (

-  IN OUT CHAR16  **CmdLine

-  );

-

-/**

-  Function to update the shell variable "lasterror".

-

-  @param[in] ErrorCode      the error code to put into lasterror

-**/

-EFI_STATUS

-SetLastError (

-  IN CONST SHELL_STATUS  ErrorCode

-  );

-

-/**

-  Sets all the alias' that were registered with the ShellCommandLib library.

-

-  @retval EFI_SUCCESS           all init commands were run successfully.

-**/

-EFI_STATUS

-SetBuiltInAlias (

-  VOID

-  );

-

-/**

-  This function will populate the 2 device path protocol parameters based on the

-  global gImageHandle.  the DevPath will point to the device path for the handle that has

-  loaded image protocol installed on it.  the FilePath will point to the device path

-  for the file that was loaded.

-

-  @param[in, out] DevPath       on a successful return the device path to the loaded image

-  @param[in, out] FilePath      on a successful return the device path to the file

-

-  @retval EFI_SUCCESS           the 2 device paths were successfully returned.

-  @return other                 a error from gBS->HandleProtocol

-

-  @sa HandleProtocol

-**/

-EFI_STATUS

-GetDevicePathsForImageAndFile (

-  IN OUT EFI_DEVICE_PATH_PROTOCOL  **DevPath,

-  IN OUT EFI_DEVICE_PATH_PROTOCOL  **FilePath

-  );

-

-/**

-  Process all Uefi Shell 2.0 command line options.

-

-  see Uefi Shell 2.0 section 3.2 for full details.

-

-  the command line should resemble the following:

-

-  shell.efi [ShellOpt-options] [options] [file-name [file-name-options]]

-

-  ShellOpt options  Options which control the initialization behavior of the shell.

-                    These options are read from the EFI global variable "ShellOpt"

-                    and are processed before options or file-name.

-

-  options           Options which control the initialization behavior of the shell.

-

-  file-name         The name of a UEFI shell application or script to be executed

-                    after initialization is complete. By default, if file-name is

-                    specified, then -nostartup is implied. Scripts are not supported

-                    by level 0.

-

-  file-nameoptions  The command-line options that are passed to file-name when it

-                    is invoked.

-

-  This will initialize the ShellInitSettings global variable.

-

-  @retval EFI_SUCCESS           the variable is initialized.

-**/

-EFI_STATUS

-ProcessCommandLine (

-  VOID

-  );

-

-/**

-  Handles all interaction with the default startup script.

-

-  this will check that the correct command line parameters were passed, handle the delay, and then start running the script.

-

-  @param[in] ImagePath          The path to the image for shell.  The first place to look for the startup script.

-  @param[in] FilePath           The path to the file for shell.  The second place to look for the startup script.

-

-  @retval EFI_SUCCESS           The variable is initialized.

-**/

-EFI_STATUS

-DoStartupScript (

-  IN EFI_DEVICE_PATH_PROTOCOL  *ImagePath,

-  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath

-  );

-

-/**

-  Function to perform the shell prompt looping.  It will do a single prompt,

-  dispatch the result, and then return.  It is expected that the caller will

-  call this function in a loop many times.

-

-  @retval EFI_SUCCESS

-  @retval RETURN_ABORTED

-**/

-EFI_STATUS

-DoShellPrompt (

-  VOID

-  );

-

-/**

-  Add a buffer to the Buffer To Free List for safely returning buffers to other

-  places without risking letting them modify internal shell information.

-

-  @param Buffer   Something to pass to FreePool when the shell is exiting.

-**/

-VOID *

-AddBufferToFreeList (

-  VOID  *Buffer

-  );

-

-/**

-  Add a buffer to the Command History List.

-

-  @param Buffer[in]     The line buffer to add.

-**/

-VOID

-AddLineToCommandHistory (

-  IN CONST CHAR16  *Buffer

-  );

-

-/**

-  Function will process and run a command line.

-

-  This will determine if the command line represents an internal shell command or dispatch an external application.

-

-  @param[in] CmdLine  the command line to parse

-

-  @retval EFI_SUCCESS     the command was completed

-  @retval EFI_ABORTED     the command's operation was aborted

-**/

-EFI_STATUS

-RunCommand (

-  IN CONST CHAR16  *CmdLine

-  );

-

-/**

-  Function will process and run a command line.

-

-  This will determine if the command line represents an internal shell

-  command or dispatch an external application.

-

-  @param[in] CmdLine      The command line to parse.

-  @param[out] CommandStatus   The status from the command line.

-

-  @retval EFI_SUCCESS     The command was completed.

-  @retval EFI_ABORTED     The command's operation was aborted.

-**/

-EFI_STATUS

-RunShellCommand (

-  IN CONST CHAR16  *CmdLine,

-  OUT EFI_STATUS   *CommandStatus

-  );

-

-/**

-  Function to process a NSH script file via SHELL_FILE_HANDLE.

-

-  @param[in] Handle             The handle to the already opened file.

-  @param[in] Name               The name of the script file.

-

-  @retval EFI_SUCCESS           the script completed successfully

-**/

-EFI_STATUS

-RunScriptFileHandle (

-  IN SHELL_FILE_HANDLE  Handle,

-  IN CONST CHAR16       *Name

-  );

-

-/**

-  Function to process a NSH script file.

-

-  @param[in] ScriptPath         Pointer to the script file name (including file system path).

-  @param[in] Handle             the handle of the script file already opened.

-  @param[in] CmdLine            the command line to run.

-  @param[in] ParamProtocol      the shell parameters protocol pointer

-

-  @retval EFI_SUCCESS           the script completed successfully

-**/

-EFI_STATUS

-RunScriptFile (

-  IN CONST CHAR16                   *ScriptPath,

-  IN SHELL_FILE_HANDLE              Handle OPTIONAL,

-  IN CONST CHAR16                   *CmdLine,

-  IN EFI_SHELL_PARAMETERS_PROTOCOL  *ParamProtocol

-  );

-

-/**

-  Return the pointer to the first occurrence of any character from a list of characters.

-

-  @param[in] String           the string to parse

-  @param[in] CharacterList    the list of character to look for

-  @param[in] EscapeCharacter  An escape character to skip

-

-  @return the location of the first character in the string

-  @retval CHAR_NULL no instance of any character in CharacterList was found in String

-**/

-CONST CHAR16 *

-FindFirstCharacter (

-  IN CONST CHAR16  *String,

-  IN CONST CHAR16  *CharacterList,

-  IN CONST CHAR16  EscapeCharacter

-  );

-

-/**

-  Cleans off leading and trailing spaces and tabs.

-

-  @param[in] String pointer to the string to trim them off.

-**/

-EFI_STATUS

-TrimSpaces (

-  IN CHAR16  **String

-  );

-

-/**

-

-  Create a new buffer list and stores the old one to OldBufferList

-

-  @param OldBufferList   The temporary list head used to store the nodes in BufferToFreeList.

-**/

-VOID

-SaveBufferList (

-  OUT LIST_ENTRY  *OldBufferList

-  );

-

-/**

-  Restore previous nodes into BufferToFreeList .

-

-  @param OldBufferList   The temporary list head used to store the nodes in BufferToFreeList.

-**/

-VOID

-RestoreBufferList (

-  IN OUT LIST_ENTRY  *OldBufferList

-  );

-

-#endif //_SHELL_INTERNAL_HEADER_

+/** @file
+  function definitions for internal to shell functions.
+
+  (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
+  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _SHELL_INTERNAL_HEADER_
+#define _SHELL_INTERNAL_HEADER_
+
+#include <Uefi.h>
+
+#include <Guid/ShellVariableGuid.h>
+#include <Guid/ShellAliasGuid.h>
+
+#include <Protocol/LoadedImage.h>
+#include <Protocol/SimpleTextOut.h>
+#include <Protocol/Shell.h>
+#include <Protocol/EfiShellInterface.h>
+#include <Protocol/EfiShellEnvironment2.h>
+#include <Protocol/ShellParameters.h>
+#include <Protocol/BlockIo.h>
+#include <Protocol/HiiPackageList.h>
+
+#include <Library/BaseLib.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/ShellCommandLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PcdLib.h>
+#include <Library/ShellLib.h>
+#include <Library/SortLib.h>
+#include <Library/HiiLib.h>
+#include <Library/PrintLib.h>
+#include <Library/HandleParsingLib.h>
+#include <Library/FileHandleLib.h>
+#include <Library/UefiHiiServicesLib.h>
+
+#include "ShellParametersProtocol.h"
+#include "ShellProtocol.h"
+#include "ShellEnvVar.h"
+#include "ConsoleLogger.h"
+#include "ShellManParser.h"
+#include "ConsoleWrappers.h"
+#include "FileHandleWrappers.h"
+
+extern CONST CHAR16  mNoNestingEnvVarName[];
+extern CONST CHAR16  mNoNestingTrue[];
+extern CONST CHAR16  mNoNestingFalse[];
+
+typedef struct {
+  LIST_ENTRY           Link;        ///< Standard linked list handler.
+  SHELL_FILE_HANDLE    SplitStdOut; ///< ConsoleOut for use in the split.
+  SHELL_FILE_HANDLE    SplitStdIn;  ///< ConsoleIn for use in the split.
+} SPLIT_LIST;
+
+typedef struct {
+  UINT32    Startup      : 1; ///< Was "-startup"       found on command line.
+  UINT32    NoStartup    : 1; ///< Was "-nostartup"     found on command line.
+  UINT32    NoConsoleOut : 1; ///< Was "-noconsoleout"  found on command line.
+  UINT32    NoConsoleIn  : 1; ///< Was "-noconsolein"   found on command line.
+  UINT32    NoInterrupt  : 1; ///< Was "-nointerrupt"   found on command line.
+  UINT32    NoMap        : 1; ///< Was "-nomap"         found on command line.
+  UINT32    NoVersion    : 1; ///< Was "-noversion"     found on command line.
+  UINT32    Delay        : 1; ///< Was "-delay[:n]      found on command line
+  UINT32    Exit         : 1; ///< Was "-_exit"         found on command line
+  UINT32    NoNest       : 1; ///< Was "-nonest"        found on command line
+  UINT32    Reserved     : 7; ///< Extra bits
+} SHELL_BITS;
+
+typedef union {
+  SHELL_BITS    Bits;
+  UINT16        AllBits;
+} SHELL_BIT_UNION;
+
+typedef struct {
+  SHELL_BIT_UNION    BitUnion;
+  UINTN              Delay;        ///< Seconds of delay default:5.
+  CHAR16             *FileName;    ///< Filename to run upon successful initialization.
+  CHAR16             *FileOptions; ///< Options to pass to FileName.
+} SHELL_INIT_SETTINGS;
+
+typedef struct {
+  BUFFER_LIST    CommandHistory;
+  UINTN          VisibleRowNumber;
+  UINTN          OriginalVisibleRowNumber;
+  BOOLEAN        InsertMode;                        ///< Is the current typing mode insert (FALSE = overwrite).
+} SHELL_VIEWING_SETTINGS;
+
+typedef struct {
+  EFI_SHELL_PARAMETERS_PROTOCOL    *NewShellParametersProtocol;
+  EFI_SHELL_PROTOCOL               *NewEfiShellProtocol;
+  BOOLEAN                          PageBreakEnabled;
+  BOOLEAN                          RootShellInstance;
+  SHELL_INIT_SETTINGS              ShellInitSettings;
+  BUFFER_LIST                      BufferToFreeList;  ///< List of buffers that were returned to the user to free.
+  SHELL_VIEWING_SETTINGS           ViewingSettings;
+  EFI_HII_HANDLE                   HiiHandle;           ///< Handle from HiiLib.
+  UINTN                            LogScreenCount;      ///< How many screens of log information to save.
+  EFI_EVENT                        UserBreakTimer;      ///< Timer event for polling for CTRL-C.
+  EFI_DEVICE_PATH_PROTOCOL         *ImageDevPath;       ///< DevicePath for ourselves.
+  EFI_DEVICE_PATH_PROTOCOL         *FileDevPath;        ///< DevicePath for ourselves.
+  CONSOLE_LOGGER_PRIVATE_DATA      *ConsoleInfo;        ///< Pointer for ConsoleInformation.
+  EFI_SHELL_PARAMETERS_PROTOCOL    *OldShellParameters; ///< old shell parameters to reinstall upon exiting.
+  SHELL_PROTOCOL_HANDLE_LIST       OldShellList;        ///< List of other instances to reinstall when closing.
+  SPLIT_LIST                       SplitList;           ///< List of Splits in FILO stack.
+  VOID                             *CtrlCNotifyHandle1; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlCNotifyHandle2; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlCNotifyHandle3; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlCNotifyHandle4; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlSNotifyHandle1; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlSNotifyHandle2; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlSNotifyHandle3; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  VOID                             *CtrlSNotifyHandle4; ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  BOOLEAN                          HaltOutput;          ///< TRUE to start a CTRL-S halt.
+} SHELL_INFO;
+
+#pragma pack(1)
+///
+/// HII specific Vendor Device Path definition.
+///
+typedef struct {
+  VENDOR_DEVICE_PATH          VendorDevicePath;
+  EFI_DEVICE_PATH_PROTOCOL    End;
+} SHELL_MAN_HII_VENDOR_DEVICE_PATH;
+#pragma pack()
+
+extern SHELL_INFO  ShellInfoObject;
+
+/**
+  Converts the command line to its post-processed form.  this replaces variables and alias' per UEFI Shell spec.
+
+  @param[in,out] CmdLine        pointer to the command line to update
+
+  @retval EFI_SUCCESS           The operation was successful
+  @retval EFI_OUT_OF_RESOURCES  A memory allocation failed.
+  @return                       some other error occurred
+**/
+EFI_STATUS
+ProcessCommandLineToFinal (
+  IN OUT CHAR16  **CmdLine
+  );
+
+/**
+  Function to update the shell variable "lasterror".
+
+  @param[in] ErrorCode      the error code to put into lasterror
+**/
+EFI_STATUS
+SetLastError (
+  IN CONST SHELL_STATUS  ErrorCode
+  );
+
+/**
+  Sets all the alias' that were registered with the ShellCommandLib library.
+
+  @retval EFI_SUCCESS           all init commands were run successfully.
+**/
+EFI_STATUS
+SetBuiltInAlias (
+  VOID
+  );
+
+/**
+  This function will populate the 2 device path protocol parameters based on the
+  global gImageHandle.  the DevPath will point to the device path for the handle that has
+  loaded image protocol installed on it.  the FilePath will point to the device path
+  for the file that was loaded.
+
+  @param[in, out] DevPath       on a successful return the device path to the loaded image
+  @param[in, out] FilePath      on a successful return the device path to the file
+
+  @retval EFI_SUCCESS           the 2 device paths were successfully returned.
+  @return other                 a error from gBS->HandleProtocol
+
+  @sa HandleProtocol
+**/
+EFI_STATUS
+GetDevicePathsForImageAndFile (
+  IN OUT EFI_DEVICE_PATH_PROTOCOL  **DevPath,
+  IN OUT EFI_DEVICE_PATH_PROTOCOL  **FilePath
+  );
+
+/**
+  Process all Uefi Shell 2.0 command line options.
+
+  see Uefi Shell 2.0 section 3.2 for full details.
+
+  the command line should resemble the following:
+
+  shell.efi [ShellOpt-options] [options] [file-name [file-name-options]]
+
+  ShellOpt options  Options which control the initialization behavior of the shell.
+                    These options are read from the EFI global variable "ShellOpt"
+                    and are processed before options or file-name.
+
+  options           Options which control the initialization behavior of the shell.
+
+  file-name         The name of a UEFI shell application or script to be executed
+                    after initialization is complete. By default, if file-name is
+                    specified, then -nostartup is implied. Scripts are not supported
+                    by level 0.
+
+  file-nameoptions  The command-line options that are passed to file-name when it
+                    is invoked.
+
+  This will initialize the ShellInitSettings global variable.
+
+  @retval EFI_SUCCESS           the variable is initialized.
+**/
+EFI_STATUS
+ProcessCommandLine (
+  VOID
+  );
+
+/**
+  Handles all interaction with the default startup script.
+
+  this will check that the correct command line parameters were passed, handle the delay, and then start running the script.
+
+  @param[in] ImagePath          The path to the image for shell.  The first place to look for the startup script.
+  @param[in] FilePath           The path to the file for shell.  The second place to look for the startup script.
+
+  @retval EFI_SUCCESS           The variable is initialized.
+**/
+EFI_STATUS
+DoStartupScript (
+  IN EFI_DEVICE_PATH_PROTOCOL  *ImagePath,
+  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath
+  );
+
+/**
+  Function to perform the shell prompt looping.  It will do a single prompt,
+  dispatch the result, and then return.  It is expected that the caller will
+  call this function in a loop many times.
+
+  @retval EFI_SUCCESS
+  @retval RETURN_ABORTED
+**/
+EFI_STATUS
+DoShellPrompt (
+  VOID
+  );
+
+/**
+  Add a buffer to the Buffer To Free List for safely returning buffers to other
+  places without risking letting them modify internal shell information.
+
+  @param Buffer   Something to pass to FreePool when the shell is exiting.
+**/
+VOID *
+AddBufferToFreeList (
+  VOID  *Buffer
+  );
+
+/**
+  Add a buffer to the Command History List.
+
+  @param Buffer[in]     The line buffer to add.
+**/
+VOID
+AddLineToCommandHistory (
+  IN CONST CHAR16  *Buffer
+  );
+
+/**
+  Function will process and run a command line.
+
+  This will determine if the command line represents an internal shell command or dispatch an external application.
+
+  @param[in] CmdLine  the command line to parse
+
+  @retval EFI_SUCCESS     the command was completed
+  @retval EFI_ABORTED     the command's operation was aborted
+**/
+EFI_STATUS
+RunCommand (
+  IN CONST CHAR16  *CmdLine
+  );
+
+/**
+  Function will process and run a command line.
+
+  This will determine if the command line represents an internal shell
+  command or dispatch an external application.
+
+  @param[in] CmdLine      The command line to parse.
+  @param[out] CommandStatus   The status from the command line.
+
+  @retval EFI_SUCCESS     The command was completed.
+  @retval EFI_ABORTED     The command's operation was aborted.
+**/
+EFI_STATUS
+RunShellCommand (
+  IN CONST CHAR16  *CmdLine,
+  OUT EFI_STATUS   *CommandStatus
+  );
+
+/**
+  Function to process a NSH script file via SHELL_FILE_HANDLE.
+
+  @param[in] Handle             The handle to the already opened file.
+  @param[in] Name               The name of the script file.
+
+  @retval EFI_SUCCESS           the script completed successfully
+**/
+EFI_STATUS
+RunScriptFileHandle (
+  IN SHELL_FILE_HANDLE  Handle,
+  IN CONST CHAR16       *Name
+  );
+
+/**
+  Function to process a NSH script file.
+
+  @param[in] ScriptPath         Pointer to the script file name (including file system path).
+  @param[in] Handle             the handle of the script file already opened.
+  @param[in] CmdLine            the command line to run.
+  @param[in] ParamProtocol      the shell parameters protocol pointer
+
+  @retval EFI_SUCCESS           the script completed successfully
+**/
+EFI_STATUS
+RunScriptFile (
+  IN CONST CHAR16                   *ScriptPath,
+  IN SHELL_FILE_HANDLE              Handle OPTIONAL,
+  IN CONST CHAR16                   *CmdLine,
+  IN EFI_SHELL_PARAMETERS_PROTOCOL  *ParamProtocol
+  );
+
+/**
+  Return the pointer to the first occurrence of any character from a list of characters.
+
+  @param[in] String           the string to parse
+  @param[in] CharacterList    the list of character to look for
+  @param[in] EscapeCharacter  An escape character to skip
+
+  @return the location of the first character in the string
+  @retval CHAR_NULL no instance of any character in CharacterList was found in String
+**/
+CONST CHAR16 *
+FindFirstCharacter (
+  IN CONST CHAR16  *String,
+  IN CONST CHAR16  *CharacterList,
+  IN CONST CHAR16  EscapeCharacter
+  );
+
+/**
+  Cleans off leading and trailing spaces and tabs.
+
+  @param[in] String pointer to the string to trim them off.
+**/
+EFI_STATUS
+TrimSpaces (
+  IN CHAR16  **String
+  );
+
+/**
+
+  Create a new buffer list and stores the old one to OldBufferList
+
+  @param OldBufferList   The temporary list head used to store the nodes in BufferToFreeList.
+**/
+VOID
+SaveBufferList (
+  OUT LIST_ENTRY  *OldBufferList
+  );
+
+/**
+  Restore previous nodes into BufferToFreeList .
+
+  @param OldBufferList   The temporary list head used to store the nodes in BufferToFreeList.
+**/
+VOID
+RestoreBufferList (
+  IN OUT LIST_ENTRY  *OldBufferList
+  );
+
+#endif //_SHELL_INTERNAL_HEADER_