UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / ShellPkg / Library / UefiShellLevel2CommandsLib / Reset.c

/** @file\r
  Main file for attrib shell level 2 function.\r
\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UefiShellLevel2CommandsLib.h"\r
\r
STATIC CONST SHELL_PARAM_ITEM  ResetParamList[] = {\r
  { L"-w",    TypeValue },\r
  { L"-s",    TypeValue },\r
  { L"-c",    TypeValue },\r
  { L"-fwui", TypeFlag  },\r
  { NULL,     TypeMax   }\r
};\r
\r
/**\r
  Function for 'reset' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunReset (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS    Status;\r
  LIST_ENTRY    *Package;\r
  CONST CHAR16  *String;\r
  CHAR16        *ProblemParam;\r
  SHELL_STATUS  ShellStatus;\r
  UINT64        OsIndications;\r
  UINT32        Attr;\r
  UINTN         DataSize;\r
\r
  ShellStatus  = SHELL_SUCCESS;\r
  ProblemParam = NULL;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize ();\r
  ASSERT_EFI_ERROR (Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (ResetParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR (Status)) {\r
    if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {\r
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"reset", ProblemParam);\r
      FreePool (ProblemParam);\r
      return (SHELL_INVALID_PARAMETER);\r
    } else {\r
      ASSERT (FALSE);\r
    }\r
  } else {\r
    //\r
    // check for "-?"\r
    //\r
    if (ShellCommandLineGetFlag (Package, L"-?")) {\r
      ASSERT (FALSE);\r
    } else if (ShellCommandLineGetRawValue (Package, 1) != NULL) {\r
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      if (ShellCommandLineGetFlag (Package, L"-fwui")) {\r
        DataSize = sizeof (OsIndications);\r
        Status   = gRT->GetVariable (\r
                          EFI_OS_INDICATIONS_SUPPORT_VARIABLE_NAME,\r
                          &gEfiGlobalVariableGuid,\r
                          &Attr,\r
                          &DataSize,\r
                          &OsIndications\r
                          );\r
        if (!EFI_ERROR (Status)) {\r
          if ((OsIndications & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0) {\r
            DataSize = sizeof (OsIndications);\r
            Status   = gRT->GetVariable (\r
                              EFI_OS_INDICATIONS_VARIABLE_NAME,\r
                              &gEfiGlobalVariableGuid,\r
                              &Attr,\r
                              &DataSize,\r
                              &OsIndications\r
                              );\r
            if (!EFI_ERROR (Status)) {\r
              OsIndications |= EFI_OS_INDICATIONS_BOOT_TO_FW_UI;\r
            } else {\r
              OsIndications = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;\r
            }\r
\r
            Status = gRT->SetVariable (\r
                            EFI_OS_INDICATIONS_VARIABLE_NAME,\r
                            &gEfiGlobalVariableGuid,\r
                            EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
                            sizeof (OsIndications),\r
                            &OsIndications\r
                            );\r
          }\r
        }\r
\r
        if (EFI_ERROR (Status)) {\r
          ShellStatus = SHELL_UNSUPPORTED;\r
          goto Error;\r
        }\r
      }\r
\r
      //\r
      // check for warm reset flag, then shutdown reset flag, then cold (default) reset flag\r
      //\r
      if (ShellCommandLineGetFlag (Package, L"-w")) {\r
        if (ShellCommandLineGetFlag (Package, L"-s") || ShellCommandLineGetFlag (Package, L"-c")) {\r
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
        } else {\r
          String = ShellCommandLineGetValue (Package, L"-w");\r
          if (String != NULL) {\r
            gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, StrSize (String), (VOID *)String);\r
          } else {\r
            gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r
          }\r
        }\r
      } else if (ShellCommandLineGetFlag (Package, L"-s")) {\r
        if (ShellCommandLineGetFlag (Package, L"-c")) {\r
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
        } else {\r
          String = ShellCommandLineGetValue (Package, L"-s");\r
          DEBUG_CODE (\r
            ShellPrintEx (-1, -1, L"Reset with %s (%d bytes)", String, String != NULL ? StrSize (String) : 0);\r
            );\r
          if (String != NULL) {\r
            gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, StrSize (String), (VOID *)String);\r
          } else {\r
            gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);\r
          }\r
        }\r
      } else {\r
        //\r
        // this is default so dont worry about flag...\r
        //\r
        String = ShellCommandLineGetValue (Package, L"-c");\r
        if (String != NULL) {\r
          gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, StrSize (String), (VOID *)String);\r
        } else {\r
          gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r
        }\r
      }\r
    }\r
  }\r
\r
  //\r
  // we should never get here... so the free and return are for formality more than use\r
  // as the ResetSystem function should not return...\r
  //\r
\r
Error:\r
  //\r
  // free the command line package\r
  //\r
  ShellCommandLineFreeVarList (Package);\r
\r
  //\r
  // return the status\r
  //\r
  return (ShellStatus);\r
}\r