UefiShellLevel3CommandsLib.c

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#include "UefiShellLevel3CommandsLib.h"
 
CONST CHAR16    gShellLevel3FileName[] = L"ShellCommands";
EFI_HII_HANDLE  gShellLevel3HiiHandle  = NULL;
 
CONST CHAR16 *
EFIAPI
ShellCommandGetManFileNameLevel3 (
  VOID
  )
{
  return (gShellLevel3FileName);
}
 
EFI_STATUS
EFIAPI
ShellLevel3CommandsLibConstructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  gShellLevel3HiiHandle = NULL;
  //
  // if shell level is less than 3 do nothing
  //
  if (PcdGet8 (PcdShellSupportLevel) < 3) {
    return (EFI_SUCCESS);
  }
 
  gShellLevel3HiiHandle = HiiAddPackages (&gShellLevel3HiiGuid, gImageHandle, UefiShellLevel3CommandsLibStrings, NULL);
  if (gShellLevel3HiiHandle == NULL) {
    return (EFI_DEVICE_ERROR);
  }
 
  //
  // install our shell command handlers that are always installed
  //
  // Note: that Time, Timezone, and Date are part of level 2 library
  //
  ShellCommandRegisterCommandName (L"type", ShellCommandRunType, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_TYPE));
  ShellCommandRegisterCommandName (L"touch", ShellCommandRunTouch, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_TOUCH));
  ShellCommandRegisterCommandName (L"ver", ShellCommandRunVer, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_VER));
  ShellCommandRegisterCommandName (L"alias", ShellCommandRunAlias, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_ALIAS));
  ShellCommandRegisterCommandName (L"cls", ShellCommandRunCls, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_CLS));
  ShellCommandRegisterCommandName (L"echo", ShellCommandRunEcho, ShellCommandGetManFileNameLevel3, 3, L"", FALSE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_ECHO));
  ShellCommandRegisterCommandName (L"pause", ShellCommandRunPause, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_PAUSE));
  ShellCommandRegisterCommandName (L"getmtc", ShellCommandRunGetMtc, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_GETMTC));
  ShellCommandRegisterCommandName (L"help", ShellCommandRunHelp, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_HELP));
 
  ShellCommandRegisterAlias (L"type", L"cat");
 
  return (EFI_SUCCESS);
}
 
EFI_STATUS
EFIAPI
ShellLevel3CommandsLibDestructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  if (gShellLevel3HiiHandle != NULL) {
    HiiRemovePackages (gShellLevel3HiiHandle);
  }
 
  return (EFI_SUCCESS);
}