Exit.c

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#include "UefiShellLevel1CommandsLib.h"
 
STATIC CONST SHELL_PARAM_ITEM  ParamList[] = {
  { L"/b", TypeFlag },
  { NULL,  TypeMax  }
};
 
SHELL_STATUS
EFIAPI
ShellCommandRunExit (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS    Status;
  LIST_ENTRY    *Package;
  CHAR16        *ProblemParam;
  SHELL_STATUS  ShellStatus;
  UINT64        RetVal;
  CONST CHAR16  *Return;
 
  ShellStatus = SHELL_SUCCESS;
 
  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize ();
  ASSERT_EFI_ERROR (Status);
 
  Status = CommandInit ();
  ASSERT_EFI_ERROR (Status);
 
  //
  // parse the command line
  //
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR (Status)) {
    if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel1HiiHandle, L"exit", ProblemParam);
      FreePool (ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT (FALSE);
    }
  } else {
    //
    // return the specified error code
    //
    Return = ShellCommandLineGetRawValue (Package, 1);
    if (Return != NULL) {
      Status = ShellConvertStringToUint64 (Return, &RetVal, FALSE, FALSE);
      if (EFI_ERROR (Status)) {
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel1HiiHandle, L"exit", Return);
        ShellStatus = SHELL_INVALID_PARAMETER;
      } else {
        //
        // If we are in a batch file and /b then pass TRUE otherwise false...
        //
        ShellCommandRegisterExit ((BOOLEAN)(gEfiShellProtocol->BatchIsActive () && ShellCommandLineGetFlag (Package, L"/b")), RetVal);
 
        ShellStatus = SHELL_SUCCESS;
      }
    } else {
      // If we are in a batch file and /b then pass TRUE otherwise false...
      //
      ShellCommandRegisterExit ((BOOLEAN)(gEfiShellProtocol->BatchIsActive () && ShellCommandLineGetFlag (Package, L"/b")), 0);
 
      ShellStatus = SHELL_SUCCESS;
    }
 
    ShellCommandLineFreeVarList (Package);
  }
 
  return (ShellStatus);
}