REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
		
			
				
	
	
		
			2292 lines
		
	
	
		
			72 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2292 lines
		
	
	
		
			72 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
 | 
						|
This is an example of how a driver might export data to the HII protocol to be
 | 
						|
later utilized by the Setup Protocol
 | 
						|
 | 
						|
Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
 | 
						|
SPDX-License-Identifier: BSD-2-Clause-Patent
 | 
						|
 | 
						|
**/
 | 
						|
 | 
						|
#include "DriverSample.h"
 | 
						|
 | 
						|
#define DISPLAY_ONLY_MY_ITEM  0x0002
 | 
						|
 | 
						|
CHAR16  VariableName[]  = L"MyIfrNVData";
 | 
						|
CHAR16  MyEfiVar[]      = L"MyEfiVar";
 | 
						|
CHAR16  MyEfiBitVar[]   = L"MyEfiBitVar";
 | 
						|
CHAR16  MyEfiUnionVar[] = L"MyEfiUnionVar";
 | 
						|
 | 
						|
EFI_HANDLE                  DriverHandle[2] = { NULL, NULL };
 | 
						|
DRIVER_SAMPLE_PRIVATE_DATA  *mPrivateData   = NULL;
 | 
						|
EFI_EVENT                   mEvent;
 | 
						|
 | 
						|
HII_VENDOR_DEVICE_PATH  mHiiVendorDevicePath0 = {
 | 
						|
  {
 | 
						|
    {
 | 
						|
      HARDWARE_DEVICE_PATH,
 | 
						|
      HW_VENDOR_DP,
 | 
						|
      {
 | 
						|
        (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
 | 
						|
        (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
 | 
						|
      }
 | 
						|
    },
 | 
						|
    DRIVER_SAMPLE_FORMSET_GUID
 | 
						|
  },
 | 
						|
  {
 | 
						|
    END_DEVICE_PATH_TYPE,
 | 
						|
    END_ENTIRE_DEVICE_PATH_SUBTYPE,
 | 
						|
    {
 | 
						|
      (UINT8)(END_DEVICE_PATH_LENGTH),
 | 
						|
      (UINT8)((END_DEVICE_PATH_LENGTH) >> 8)
 | 
						|
    }
 | 
						|
  }
 | 
						|
};
 | 
						|
 | 
						|
HII_VENDOR_DEVICE_PATH  mHiiVendorDevicePath1 = {
 | 
						|
  {
 | 
						|
    {
 | 
						|
      HARDWARE_DEVICE_PATH,
 | 
						|
      HW_VENDOR_DP,
 | 
						|
      {
 | 
						|
        (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
 | 
						|
        (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
 | 
						|
      }
 | 
						|
    },
 | 
						|
    DRIVER_SAMPLE_INVENTORY_GUID
 | 
						|
  },
 | 
						|
  {
 | 
						|
    END_DEVICE_PATH_TYPE,
 | 
						|
    END_ENTIRE_DEVICE_PATH_SUBTYPE,
 | 
						|
    {
 | 
						|
      (UINT8)(END_DEVICE_PATH_LENGTH),
 | 
						|
      (UINT8)((END_DEVICE_PATH_LENGTH) >> 8)
 | 
						|
    }
 | 
						|
  }
 | 
						|
};
 | 
						|
 | 
						|
/**
 | 
						|
  Set value of a data element in an Array by its Index.
 | 
						|
 | 
						|
  @param  Array                  The data array.
 | 
						|
  @param  Type                   Type of the data in this array.
 | 
						|
  @param  Index                  Zero based index for data in this array.
 | 
						|
  @param  Value                  The value to be set.
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
SetArrayData (
 | 
						|
  IN VOID    *Array,
 | 
						|
  IN UINT8   Type,
 | 
						|
  IN UINTN   Index,
 | 
						|
  IN UINT64  Value
 | 
						|
  )
 | 
						|
{
 | 
						|
  ASSERT (Array != NULL);
 | 
						|
 | 
						|
  switch (Type) {
 | 
						|
    case EFI_IFR_TYPE_NUM_SIZE_8:
 | 
						|
      *(((UINT8 *)Array) + Index) = (UINT8)Value;
 | 
						|
      break;
 | 
						|
 | 
						|
    case EFI_IFR_TYPE_NUM_SIZE_16:
 | 
						|
      *(((UINT16 *)Array) + Index) = (UINT16)Value;
 | 
						|
      break;
 | 
						|
 | 
						|
    case EFI_IFR_TYPE_NUM_SIZE_32:
 | 
						|
      *(((UINT32 *)Array) + Index) = (UINT32)Value;
 | 
						|
      break;
 | 
						|
 | 
						|
    case EFI_IFR_TYPE_NUM_SIZE_64:
 | 
						|
      *(((UINT64 *)Array) + Index) = (UINT64)Value;
 | 
						|
      break;
 | 
						|
 | 
						|
    default:
 | 
						|
      break;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Notification function for keystrokes.
 | 
						|
 | 
						|
  @param[in] KeyData    The key that was pressed.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS   The operation was successful.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
NotificationFunction (
 | 
						|
  IN EFI_KEY_DATA  *KeyData
 | 
						|
  )
 | 
						|
{
 | 
						|
  gBS->SignalEvent (mEvent);
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to start monitoring for CTRL-C using SimpleTextInputEx.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The feature is enabled.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  There is not enough mnemory available.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
InternalStartMonitor (
 | 
						|
  VOID
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL  *SimpleEx;
 | 
						|
  EFI_KEY_DATA                       KeyData;
 | 
						|
  EFI_STATUS                         Status;
 | 
						|
  EFI_HANDLE                         *Handles;
 | 
						|
  UINTN                              HandleCount;
 | 
						|
  UINTN                              HandleIndex;
 | 
						|
  VOID                               *NotifyHandle;
 | 
						|
 | 
						|
  Status = gBS->LocateHandleBuffer (
 | 
						|
                  ByProtocol,
 | 
						|
                  &gEfiSimpleTextInputExProtocolGuid,
 | 
						|
                  NULL,
 | 
						|
                  &HandleCount,
 | 
						|
                  &Handles
 | 
						|
                  );
 | 
						|
  for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
 | 
						|
    Status = gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleTextInputExProtocolGuid, (VOID **)&SimpleEx);
 | 
						|
    ASSERT_EFI_ERROR (Status);
 | 
						|
 | 
						|
    KeyData.KeyState.KeyToggleState = 0;
 | 
						|
    KeyData.Key.ScanCode            = 0;
 | 
						|
    KeyData.KeyState.KeyShiftState  = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;
 | 
						|
    KeyData.Key.UnicodeChar         = L'c';
 | 
						|
 | 
						|
    Status = SimpleEx->RegisterKeyNotify (
 | 
						|
                         SimpleEx,
 | 
						|
                         &KeyData,
 | 
						|
                         NotificationFunction,
 | 
						|
                         &NotifyHandle
 | 
						|
                         );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
 | 
						|
    Status                         = SimpleEx->RegisterKeyNotify (
 | 
						|
                                                 SimpleEx,
 | 
						|
                                                 &KeyData,
 | 
						|
                                                 NotificationFunction,
 | 
						|
                                                 &NotifyHandle
 | 
						|
                                                 );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      break;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to stop monitoring for CTRL-C using SimpleTextInputEx.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The feature is enabled.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  There is not enough mnemory available.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
InternalStopMonitor (
 | 
						|
  VOID
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL  *SimpleEx;
 | 
						|
  EFI_STATUS                         Status;
 | 
						|
  EFI_HANDLE                         *Handles;
 | 
						|
  EFI_KEY_DATA                       KeyData;
 | 
						|
  UINTN                              HandleCount;
 | 
						|
  UINTN                              HandleIndex;
 | 
						|
  VOID                               *NotifyHandle;
 | 
						|
 | 
						|
  Status = gBS->LocateHandleBuffer (
 | 
						|
                  ByProtocol,
 | 
						|
                  &gEfiSimpleTextInputExProtocolGuid,
 | 
						|
                  NULL,
 | 
						|
                  &HandleCount,
 | 
						|
                  &Handles
 | 
						|
                  );
 | 
						|
  for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
 | 
						|
    Status = gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleTextInputExProtocolGuid, (VOID **)&SimpleEx);
 | 
						|
    ASSERT_EFI_ERROR (Status);
 | 
						|
 | 
						|
    KeyData.KeyState.KeyToggleState = 0;
 | 
						|
    KeyData.Key.ScanCode            = 0;
 | 
						|
    KeyData.KeyState.KeyShiftState  = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;
 | 
						|
    KeyData.Key.UnicodeChar         = L'c';
 | 
						|
 | 
						|
    Status = SimpleEx->RegisterKeyNotify (
 | 
						|
                         SimpleEx,
 | 
						|
                         &KeyData,
 | 
						|
                         NotificationFunction,
 | 
						|
                         &NotifyHandle
 | 
						|
                         );
 | 
						|
    if (!EFI_ERROR (Status)) {
 | 
						|
      Status = SimpleEx->UnregisterKeyNotify (SimpleEx, NotifyHandle);
 | 
						|
    }
 | 
						|
 | 
						|
    KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
 | 
						|
    Status                         = SimpleEx->RegisterKeyNotify (
 | 
						|
                                                 SimpleEx,
 | 
						|
                                                 &KeyData,
 | 
						|
                                                 NotificationFunction,
 | 
						|
                                                 &NotifyHandle
 | 
						|
                                                 );
 | 
						|
    if (!EFI_ERROR (Status)) {
 | 
						|
      Status = SimpleEx->UnregisterKeyNotify (SimpleEx, NotifyHandle);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 Update names of Name/Value storage to current language.
 | 
						|
 | 
						|
 @param PrivateData   Points to the driver private data.
 | 
						|
 | 
						|
 @retval EFI_SUCCESS   All names are successfully updated.
 | 
						|
 @retval EFI_NOT_FOUND Failed to get Name from HII database.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
LoadNameValueNames (
 | 
						|
  IN DRIVER_SAMPLE_PRIVATE_DATA  *PrivateData
 | 
						|
  )
 | 
						|
{
 | 
						|
  UINTN  Index;
 | 
						|
 | 
						|
  //
 | 
						|
  // Get Name/Value name string of current language
 | 
						|
  //
 | 
						|
  for (Index = 0; Index < NAME_VALUE_NAME_NUMBER; Index++) {
 | 
						|
    PrivateData->NameValueName[Index] = HiiGetString (
 | 
						|
                                          PrivateData->HiiHandle[0],
 | 
						|
                                          PrivateData->NameStringId[Index],
 | 
						|
                                          NULL
 | 
						|
                                          );
 | 
						|
    if (PrivateData->NameValueName[Index] == NULL) {
 | 
						|
      return EFI_NOT_FOUND;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET
 | 
						|
  or WIDTH or VALUE.
 | 
						|
  <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>
 | 
						|
 | 
						|
  This is a internal function.
 | 
						|
 | 
						|
  @param  StringPtr              String in <BlockConfig> format and points to the
 | 
						|
                                 first character of <Number>.
 | 
						|
  @param  Number                 The output value. Caller takes the responsibility
 | 
						|
                                 to free memory.
 | 
						|
  @param  Len                    Length of the <Number>, in characters.
 | 
						|
 | 
						|
  @retval EFI_OUT_OF_RESOURCES   Insufficient resources to store neccessary
 | 
						|
                                 structures.
 | 
						|
  @retval EFI_SUCCESS            Value of <Number> is outputted in Number
 | 
						|
                                 successfully.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
GetValueOfNumber (
 | 
						|
  IN EFI_STRING  StringPtr,
 | 
						|
  OUT UINT8      **Number,
 | 
						|
  OUT UINTN      *Len
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STRING  TmpPtr;
 | 
						|
  UINTN       Length;
 | 
						|
  EFI_STRING  Str;
 | 
						|
  UINT8       *Buf;
 | 
						|
  EFI_STATUS  Status;
 | 
						|
  UINT8       DigitUint8;
 | 
						|
  UINTN       Index;
 | 
						|
  CHAR16      TemStr[2];
 | 
						|
 | 
						|
  if ((StringPtr == NULL) || (*StringPtr == L'\0') || (Number == NULL) || (Len == NULL)) {
 | 
						|
    return EFI_INVALID_PARAMETER;
 | 
						|
  }
 | 
						|
 | 
						|
  Buf = NULL;
 | 
						|
 | 
						|
  TmpPtr = StringPtr;
 | 
						|
  while (*StringPtr != L'\0' && *StringPtr != L'&') {
 | 
						|
    StringPtr++;
 | 
						|
  }
 | 
						|
 | 
						|
  *Len   = StringPtr - TmpPtr;
 | 
						|
  Length = *Len + 1;
 | 
						|
 | 
						|
  Str = (EFI_STRING)AllocateZeroPool (Length * sizeof (CHAR16));
 | 
						|
  if (Str == NULL) {
 | 
						|
    Status = EFI_OUT_OF_RESOURCES;
 | 
						|
    goto Exit;
 | 
						|
  }
 | 
						|
 | 
						|
  CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));
 | 
						|
  *(Str + *Len) = L'\0';
 | 
						|
 | 
						|
  Length = (Length + 1) / 2;
 | 
						|
  Buf    = (UINT8 *)AllocateZeroPool (Length);
 | 
						|
  if (Buf == NULL) {
 | 
						|
    Status = EFI_OUT_OF_RESOURCES;
 | 
						|
    goto Exit;
 | 
						|
  }
 | 
						|
 | 
						|
  Length = *Len;
 | 
						|
  ZeroMem (TemStr, sizeof (TemStr));
 | 
						|
  for (Index = 0; Index < Length; Index++) {
 | 
						|
    TemStr[0]  = Str[Length - Index - 1];
 | 
						|
    DigitUint8 = (UINT8)StrHexToUint64 (TemStr);
 | 
						|
    if ((Index & 1) == 0) {
 | 
						|
      Buf[Index/2] = DigitUint8;
 | 
						|
    } else {
 | 
						|
      Buf[Index/2] = (UINT8)((DigitUint8 << 4) + Buf[Index/2]);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  *Number = Buf;
 | 
						|
  Status  = EFI_SUCCESS;
 | 
						|
 | 
						|
Exit:
 | 
						|
  if (Str != NULL) {
 | 
						|
    FreePool (Str);
 | 
						|
  }
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Create altcfg string.
 | 
						|
 | 
						|
  @param  Result               The request result string.
 | 
						|
  @param  ConfigHdr            The request head info. <ConfigHdr> format.
 | 
						|
  @param  Offset               The offset of the parameter int he structure.
 | 
						|
  @param  Width                The width of the parameter.
 | 
						|
 | 
						|
 | 
						|
  @retval  The string with altcfg info append at the end.
 | 
						|
**/
 | 
						|
EFI_STRING
 | 
						|
CreateAltCfgString (
 | 
						|
  IN     EFI_STRING  Result,
 | 
						|
  IN     EFI_STRING  ConfigHdr,
 | 
						|
  IN     UINTN       Offset,
 | 
						|
  IN     UINTN       Width
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STRING  StringPtr;
 | 
						|
  EFI_STRING  TmpStr;
 | 
						|
  UINTN       NewLen;
 | 
						|
 | 
						|
  NewLen = StrLen (Result);
 | 
						|
  //
 | 
						|
  // String Len = ConfigResp + AltConfig + AltConfig + 1("\0")
 | 
						|
  //
 | 
						|
  NewLen    = (NewLen + ((1 + StrLen (ConfigHdr) + 8 + 4) + (8 + 4 + 7 + 4 + 7 + 4)) * 2 + 1) * sizeof (CHAR16);
 | 
						|
  StringPtr = AllocateZeroPool (NewLen);
 | 
						|
  if (StringPtr == NULL) {
 | 
						|
    return NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  TmpStr = StringPtr;
 | 
						|
  if (Result != NULL) {
 | 
						|
    StrCpyS (StringPtr, NewLen / sizeof (CHAR16), Result);
 | 
						|
    StringPtr += StrLen (Result);
 | 
						|
    FreePool (Result);
 | 
						|
  }
 | 
						|
 | 
						|
  UnicodeSPrint (
 | 
						|
    StringPtr,
 | 
						|
    (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16),
 | 
						|
    L"&%s&ALTCFG=%04x",
 | 
						|
    ConfigHdr,
 | 
						|
    EFI_HII_DEFAULT_CLASS_STANDARD
 | 
						|
    );
 | 
						|
  StringPtr += StrLen (StringPtr);
 | 
						|
 | 
						|
  UnicodeSPrint (
 | 
						|
    StringPtr,
 | 
						|
    (8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),
 | 
						|
    L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x",
 | 
						|
    Offset,
 | 
						|
    Width,
 | 
						|
    DEFAULT_CLASS_STANDARD_VALUE
 | 
						|
    );
 | 
						|
  StringPtr += StrLen (StringPtr);
 | 
						|
 | 
						|
  UnicodeSPrint (
 | 
						|
    StringPtr,
 | 
						|
    (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16),
 | 
						|
    L"&%s&ALTCFG=%04x",
 | 
						|
    ConfigHdr,
 | 
						|
    EFI_HII_DEFAULT_CLASS_MANUFACTURING
 | 
						|
    );
 | 
						|
  StringPtr += StrLen (StringPtr);
 | 
						|
 | 
						|
  UnicodeSPrint (
 | 
						|
    StringPtr,
 | 
						|
    (8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),
 | 
						|
    L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x",
 | 
						|
    Offset,
 | 
						|
    Width,
 | 
						|
    DEFAULT_CLASS_MANUFACTURING_VALUE
 | 
						|
    );
 | 
						|
  StringPtr += StrLen (StringPtr);
 | 
						|
 | 
						|
  return TmpStr;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Check whether need to add the altcfg string. if need to add, add the altcfg
 | 
						|
  string.
 | 
						|
 | 
						|
  @param  RequestResult              The request result string.
 | 
						|
  @param  ConfigRequestHdr           The request head info. <ConfigHdr> format.
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
AppendAltCfgString (
 | 
						|
  IN OUT EFI_STRING  *RequestResult,
 | 
						|
  IN     EFI_STRING  ConfigRequestHdr
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STRING  StringPtr;
 | 
						|
  UINTN       Length;
 | 
						|
  UINT8       *TmpBuffer;
 | 
						|
  UINTN       Offset;
 | 
						|
  UINTN       Width;
 | 
						|
  UINTN       BlockSize;
 | 
						|
  UINTN       ValueOffset;
 | 
						|
  UINTN       ValueWidth;
 | 
						|
  EFI_STATUS  Status;
 | 
						|
 | 
						|
  TmpBuffer   = NULL;
 | 
						|
  StringPtr   = *RequestResult;
 | 
						|
  StringPtr   = StrStr (StringPtr, L"OFFSET");
 | 
						|
  BlockSize   = sizeof (DRIVER_SAMPLE_CONFIGURATION);
 | 
						|
  ValueOffset = OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, GetDefaultValueFromAccess);
 | 
						|
  ValueWidth  = sizeof (((DRIVER_SAMPLE_CONFIGURATION *)0)->GetDefaultValueFromAccess);
 | 
						|
 | 
						|
  if (StringPtr == NULL) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) {
 | 
						|
    StringPtr += StrLen (L"OFFSET=");
 | 
						|
    //
 | 
						|
    // Get Offset
 | 
						|
    //
 | 
						|
    Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    Offset = 0;
 | 
						|
    CopyMem (
 | 
						|
      &Offset,
 | 
						|
      TmpBuffer,
 | 
						|
      (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)
 | 
						|
      );
 | 
						|
    FreePool (TmpBuffer);
 | 
						|
 | 
						|
    StringPtr += Length;
 | 
						|
    if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    StringPtr += StrLen (L"&WIDTH=");
 | 
						|
 | 
						|
    //
 | 
						|
    // Get Width
 | 
						|
    //
 | 
						|
    Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    Width = 0;
 | 
						|
    CopyMem (
 | 
						|
      &Width,
 | 
						|
      TmpBuffer,
 | 
						|
      (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)
 | 
						|
      );
 | 
						|
    FreePool (TmpBuffer);
 | 
						|
 | 
						|
    StringPtr += Length;
 | 
						|
    if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    StringPtr += StrLen (L"&VALUE=");
 | 
						|
 | 
						|
    //
 | 
						|
    // Get Value
 | 
						|
    //
 | 
						|
    Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    StringPtr += Length;
 | 
						|
 | 
						|
    //
 | 
						|
    // Skip the character "&" before "OFFSET".
 | 
						|
    //
 | 
						|
    StringPtr++;
 | 
						|
 | 
						|
    //
 | 
						|
    // Calculate Value and convert it to hex string.
 | 
						|
    //
 | 
						|
    if (Offset + Width > BlockSize) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    if ((Offset <= ValueOffset) && (Offset + Width >= ValueOffset + ValueWidth)) {
 | 
						|
      *RequestResult = CreateAltCfgString (*RequestResult, ConfigRequestHdr, ValueOffset, ValueWidth);
 | 
						|
      return;
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  This function allows a caller to extract the current configuration for one
 | 
						|
  or more named elements from the target driver.
 | 
						|
 | 
						|
  @param  This                   Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
 | 
						|
  @param  Request                A null-terminated Unicode string in
 | 
						|
                                 <ConfigRequest> format.
 | 
						|
  @param  Progress               On return, points to a character in the Request
 | 
						|
                                 string. Points to the string's null terminator if
 | 
						|
                                 request was successful. Points to the most recent
 | 
						|
                                 '&' before the first failing name/value pair (or
 | 
						|
                                 the beginning of the string if the failure is in
 | 
						|
                                 the first name/value pair) if the request was not
 | 
						|
                                 successful.
 | 
						|
  @param  Results                A null-terminated Unicode string in
 | 
						|
                                 <ConfigAltResp> format which has all values filled
 | 
						|
                                 in for the names in the Request string. String to
 | 
						|
                                 be allocated by the called function.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS            The Results is filled with the requested values.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES   Not enough memory to store the results.
 | 
						|
  @retval EFI_INVALID_PARAMETER  Request is illegal syntax, or unknown name.
 | 
						|
  @retval EFI_NOT_FOUND          Routing data doesn't match any storage in this
 | 
						|
                                 driver.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ExtractConfig (
 | 
						|
  IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL  *This,
 | 
						|
  IN  CONST EFI_STRING                      Request,
 | 
						|
  OUT EFI_STRING                            *Progress,
 | 
						|
  OUT EFI_STRING                            *Results
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                       Status;
 | 
						|
  UINTN                            BufferSize;
 | 
						|
  DRIVER_SAMPLE_PRIVATE_DATA       *PrivateData;
 | 
						|
  EFI_HII_CONFIG_ROUTING_PROTOCOL  *HiiConfigRouting;
 | 
						|
  EFI_STRING                       ConfigRequest;
 | 
						|
  EFI_STRING                       ConfigRequestHdr;
 | 
						|
  UINTN                            Size;
 | 
						|
  EFI_STRING                       Value;
 | 
						|
  UINTN                            ValueStrLen;
 | 
						|
  CHAR16                           BackupChar;
 | 
						|
  CHAR16                           *StrPointer;
 | 
						|
  BOOLEAN                          AllocatedRequest;
 | 
						|
 | 
						|
  if ((Progress == NULL) || (Results == NULL)) {
 | 
						|
    return EFI_INVALID_PARAMETER;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize the local variables.
 | 
						|
  //
 | 
						|
  ConfigRequestHdr = NULL;
 | 
						|
  ConfigRequest    = NULL;
 | 
						|
  Size             = 0;
 | 
						|
  *Progress        = Request;
 | 
						|
  AllocatedRequest = FALSE;
 | 
						|
 | 
						|
  PrivateData      = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
 | 
						|
  HiiConfigRouting = PrivateData->HiiConfigRouting;
 | 
						|
 | 
						|
  //
 | 
						|
  // Get Buffer Storage data from EFI variable.
 | 
						|
  // Try to get the current setting from variable.
 | 
						|
  //
 | 
						|
  BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
 | 
						|
  Status     = gRT->GetVariable (
 | 
						|
                      VariableName,
 | 
						|
                      &gDriverSampleFormSetGuid,
 | 
						|
                      NULL,
 | 
						|
                      &BufferSize,
 | 
						|
                      &PrivateData->Configuration
 | 
						|
                      );
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return EFI_NOT_FOUND;
 | 
						|
  }
 | 
						|
 | 
						|
  if (Request == NULL) {
 | 
						|
    //
 | 
						|
    // Request is set to NULL, construct full request string.
 | 
						|
    //
 | 
						|
 | 
						|
    //
 | 
						|
    // Allocate and fill a buffer large enough to hold the <ConfigHdr> template
 | 
						|
    // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
 | 
						|
    //
 | 
						|
    ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
 | 
						|
    Size             = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
 | 
						|
    ConfigRequest    = AllocateZeroPool (Size);
 | 
						|
    ASSERT (ConfigRequest != NULL);
 | 
						|
    AllocatedRequest = TRUE;
 | 
						|
    UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
 | 
						|
    FreePool (ConfigRequestHdr);
 | 
						|
    ConfigRequestHdr = NULL;
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // Check routing data in <ConfigHdr>.
 | 
						|
    // Note: if only one Storage is used, then this checking could be skipped.
 | 
						|
    //
 | 
						|
    if (!HiiIsConfigHdrMatch (Request, &gDriverSampleFormSetGuid, NULL)) {
 | 
						|
      return EFI_NOT_FOUND;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Check whether request for EFI Varstore. EFI varstore get data
 | 
						|
    // through hii database, not support in this path.
 | 
						|
    //
 | 
						|
    if (HiiIsConfigHdrMatch (Request, &gDriverSampleFormSetGuid, MyEfiVar)) {
 | 
						|
      return EFI_UNSUPPORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    if (HiiIsConfigHdrMatch (Request, &gDriverSampleFormSetGuid, MyEfiBitVar)) {
 | 
						|
      return EFI_UNSUPPORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    if (HiiIsConfigHdrMatch (Request, &gDriverSampleFormSetGuid, MyEfiUnionVar)) {
 | 
						|
      return EFI_UNSUPPORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Set Request to the unified request string.
 | 
						|
    //
 | 
						|
    ConfigRequest = Request;
 | 
						|
    //
 | 
						|
    // Check whether Request includes Request Element.
 | 
						|
    //
 | 
						|
    if (StrStr (Request, L"OFFSET") == NULL) {
 | 
						|
      //
 | 
						|
      // Check Request Element does exist in Reques String
 | 
						|
      //
 | 
						|
      StrPointer = StrStr (Request, L"PATH");
 | 
						|
      if (StrPointer == NULL) {
 | 
						|
        return EFI_INVALID_PARAMETER;
 | 
						|
      }
 | 
						|
 | 
						|
      if (StrStr (StrPointer, L"&") == NULL) {
 | 
						|
        Size          = (StrLen (Request) + 32 + 1) * sizeof (CHAR16);
 | 
						|
        ConfigRequest = AllocateZeroPool (Size);
 | 
						|
        ASSERT (ConfigRequest != NULL);
 | 
						|
        AllocatedRequest = TRUE;
 | 
						|
        UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", Request, (UINT64)BufferSize);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Check if requesting Name/Value storage
 | 
						|
  //
 | 
						|
  if (StrStr (ConfigRequest, L"OFFSET") == NULL) {
 | 
						|
    //
 | 
						|
    // Update Name/Value storage Names
 | 
						|
    //
 | 
						|
    Status = LoadNameValueNames (PrivateData);
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      return Status;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Allocate memory for <ConfigResp>, e.g. Name0=0x11, Name1=0x1234, Name2="ABCD"
 | 
						|
    // <Request>   ::=<ConfigHdr>&Name0&Name1&Name2
 | 
						|
    // <ConfigResp>::=<ConfigHdr>&Name0=11&Name1=1234&Name2=0041004200430044
 | 
						|
    //
 | 
						|
    BufferSize = (StrLen (ConfigRequest) +
 | 
						|
                  1 + sizeof (PrivateData->Configuration.NameValueVar0) * 2 +
 | 
						|
                  1 + sizeof (PrivateData->Configuration.NameValueVar1) * 2 +
 | 
						|
                  1 + sizeof (PrivateData->Configuration.NameValueVar2) * 2 + 1) * sizeof (CHAR16);
 | 
						|
    *Results = AllocateZeroPool (BufferSize);
 | 
						|
    ASSERT (*Results != NULL);
 | 
						|
    StrCpyS (*Results, BufferSize / sizeof (CHAR16), ConfigRequest);
 | 
						|
    Value = *Results;
 | 
						|
 | 
						|
    //
 | 
						|
    // Append value of NameValueVar0, type is UINT8
 | 
						|
    //
 | 
						|
    if ((Value = StrStr (*Results, PrivateData->NameValueName[0])) != NULL) {
 | 
						|
      Value      += StrLen (PrivateData->NameValueName[0]);
 | 
						|
      ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar0) * 2) + 1);
 | 
						|
      CopyMem (Value + ValueStrLen, Value, StrSize (Value));
 | 
						|
 | 
						|
      BackupChar = Value[ValueStrLen];
 | 
						|
      *Value++   = L'=';
 | 
						|
      UnicodeValueToStringS (
 | 
						|
        Value,
 | 
						|
        BufferSize - ((UINTN)Value - (UINTN)*Results),
 | 
						|
        PREFIX_ZERO | RADIX_HEX,
 | 
						|
        PrivateData->Configuration.NameValueVar0,
 | 
						|
        sizeof (PrivateData->Configuration.NameValueVar0) * 2
 | 
						|
        );
 | 
						|
      Value += StrnLenS (Value, (BufferSize - ((UINTN)Value - (UINTN)*Results)) / sizeof (CHAR16));
 | 
						|
      *Value = BackupChar;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Append value of NameValueVar1, type is UINT16
 | 
						|
    //
 | 
						|
    if ((Value = StrStr (*Results, PrivateData->NameValueName[1])) != NULL) {
 | 
						|
      Value      += StrLen (PrivateData->NameValueName[1]);
 | 
						|
      ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar1) * 2) + 1);
 | 
						|
      CopyMem (Value + ValueStrLen, Value, StrSize (Value));
 | 
						|
 | 
						|
      BackupChar = Value[ValueStrLen];
 | 
						|
      *Value++   = L'=';
 | 
						|
      UnicodeValueToStringS (
 | 
						|
        Value,
 | 
						|
        BufferSize - ((UINTN)Value - (UINTN)*Results),
 | 
						|
        PREFIX_ZERO | RADIX_HEX,
 | 
						|
        PrivateData->Configuration.NameValueVar1,
 | 
						|
        sizeof (PrivateData->Configuration.NameValueVar1) * 2
 | 
						|
        );
 | 
						|
      Value += StrnLenS (Value, (BufferSize - ((UINTN)Value - (UINTN)*Results)) / sizeof (CHAR16));
 | 
						|
      *Value = BackupChar;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Append value of NameValueVar2, type is CHAR16 *
 | 
						|
    //
 | 
						|
    if ((Value = StrStr (*Results, PrivateData->NameValueName[2])) != NULL) {
 | 
						|
      Value      += StrLen (PrivateData->NameValueName[2]);
 | 
						|
      ValueStrLen = StrLen (PrivateData->Configuration.NameValueVar2) * 4 + 1;
 | 
						|
      CopyMem (Value + ValueStrLen, Value, StrSize (Value));
 | 
						|
 | 
						|
      *Value++ = L'=';
 | 
						|
      //
 | 
						|
      // Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044"
 | 
						|
      //
 | 
						|
      StrPointer = (CHAR16 *)PrivateData->Configuration.NameValueVar2;
 | 
						|
      for ( ; *StrPointer != L'\0'; StrPointer++) {
 | 
						|
        UnicodeValueToStringS (
 | 
						|
          Value,
 | 
						|
          BufferSize - ((UINTN)Value - (UINTN)*Results),
 | 
						|
          PREFIX_ZERO | RADIX_HEX,
 | 
						|
          *StrPointer,
 | 
						|
          4
 | 
						|
          );
 | 
						|
        Value += StrnLenS (Value, (BufferSize - ((UINTN)Value - (UINTN)*Results)) / sizeof (CHAR16));
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    Status = EFI_SUCCESS;
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // Convert buffer data to <ConfigResp> by helper function BlockToConfig()
 | 
						|
    //
 | 
						|
    Status = HiiConfigRouting->BlockToConfig (
 | 
						|
                                 HiiConfigRouting,
 | 
						|
                                 ConfigRequest,
 | 
						|
                                 (UINT8 *)&PrivateData->Configuration,
 | 
						|
                                 BufferSize,
 | 
						|
                                 Results,
 | 
						|
                                 Progress
 | 
						|
                                 );
 | 
						|
    if (!EFI_ERROR (Status)) {
 | 
						|
      ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
 | 
						|
      AppendAltCfgString (Results, ConfigRequestHdr);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Free the allocated config request string.
 | 
						|
  //
 | 
						|
  if (AllocatedRequest) {
 | 
						|
    FreePool (ConfigRequest);
 | 
						|
  }
 | 
						|
 | 
						|
  if (ConfigRequestHdr != NULL) {
 | 
						|
    FreePool (ConfigRequestHdr);
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Set Progress string to the original request string.
 | 
						|
  //
 | 
						|
  if (Request == NULL) {
 | 
						|
    *Progress = NULL;
 | 
						|
  } else if (StrStr (Request, L"OFFSET") == NULL) {
 | 
						|
    *Progress = Request + StrLen (Request);
 | 
						|
  }
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  This function processes the results of changes in configuration.
 | 
						|
 | 
						|
  @param  This                   Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
 | 
						|
  @param  Configuration          A null-terminated Unicode string in <ConfigResp>
 | 
						|
                                 format.
 | 
						|
  @param  Progress               A pointer to a string filled in with the offset of
 | 
						|
                                 the most recent '&' before the first failing
 | 
						|
                                 name/value pair (or the beginning of the string if
 | 
						|
                                 the failure is in the first name/value pair) or
 | 
						|
                                 the terminating NULL if all was successful.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS            The Results is processed successfully.
 | 
						|
  @retval EFI_INVALID_PARAMETER  Configuration is NULL.
 | 
						|
  @retval EFI_NOT_FOUND          Routing data doesn't match any storage in this
 | 
						|
                                 driver.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
RouteConfig (
 | 
						|
  IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL  *This,
 | 
						|
  IN  CONST EFI_STRING                      Configuration,
 | 
						|
  OUT EFI_STRING                            *Progress
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                       Status;
 | 
						|
  UINTN                            BufferSize;
 | 
						|
  DRIVER_SAMPLE_PRIVATE_DATA       *PrivateData;
 | 
						|
  EFI_HII_CONFIG_ROUTING_PROTOCOL  *HiiConfigRouting;
 | 
						|
  CHAR16                           *Value;
 | 
						|
  CHAR16                           *StrPtr;
 | 
						|
  CHAR16                           TemStr[5];
 | 
						|
  UINT8                            *DataBuffer;
 | 
						|
  UINT8                            DigitUint8;
 | 
						|
  UINTN                            Index;
 | 
						|
  CHAR16                           *StrBuffer;
 | 
						|
 | 
						|
  if ((Configuration == NULL) || (Progress == NULL)) {
 | 
						|
    return EFI_INVALID_PARAMETER;
 | 
						|
  }
 | 
						|
 | 
						|
  PrivateData      = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
 | 
						|
  HiiConfigRouting = PrivateData->HiiConfigRouting;
 | 
						|
  *Progress        = Configuration;
 | 
						|
 | 
						|
  //
 | 
						|
  // Check routing data in <ConfigHdr>.
 | 
						|
  // Note: if only one Storage is used, then this checking could be skipped.
 | 
						|
  //
 | 
						|
  if (!HiiIsConfigHdrMatch (Configuration, &gDriverSampleFormSetGuid, NULL)) {
 | 
						|
    return EFI_NOT_FOUND;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Check whether request for EFI Varstore. EFI varstore get data
 | 
						|
  // through hii database, not support in this path.
 | 
						|
  //
 | 
						|
  if (HiiIsConfigHdrMatch (Configuration, &gDriverSampleFormSetGuid, MyEfiVar)) {
 | 
						|
    return EFI_UNSUPPORTED;
 | 
						|
  }
 | 
						|
 | 
						|
  if (HiiIsConfigHdrMatch (Configuration, &gDriverSampleFormSetGuid, MyEfiBitVar)) {
 | 
						|
    return EFI_UNSUPPORTED;
 | 
						|
  }
 | 
						|
 | 
						|
  if (HiiIsConfigHdrMatch (Configuration, &gDriverSampleFormSetGuid, MyEfiUnionVar)) {
 | 
						|
    return EFI_UNSUPPORTED;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Get Buffer Storage data from EFI variable
 | 
						|
  //
 | 
						|
  BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
 | 
						|
  Status     = gRT->GetVariable (
 | 
						|
                      VariableName,
 | 
						|
                      &gDriverSampleFormSetGuid,
 | 
						|
                      NULL,
 | 
						|
                      &BufferSize,
 | 
						|
                      &PrivateData->Configuration
 | 
						|
                      );
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Check if configuring Name/Value storage
 | 
						|
  //
 | 
						|
  if (StrStr (Configuration, L"OFFSET") == NULL) {
 | 
						|
    //
 | 
						|
    // Update Name/Value storage Names
 | 
						|
    //
 | 
						|
    Status = LoadNameValueNames (PrivateData);
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      return Status;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Convert value for NameValueVar0
 | 
						|
    //
 | 
						|
    if ((Value = StrStr (Configuration, PrivateData->NameValueName[0])) != NULL) {
 | 
						|
      //
 | 
						|
      // Skip "Name="
 | 
						|
      //
 | 
						|
      Value += StrLen (PrivateData->NameValueName[0]);
 | 
						|
      Value++;
 | 
						|
      //
 | 
						|
      // Get Value String
 | 
						|
      //
 | 
						|
      StrPtr = StrStr (Value, L"&");
 | 
						|
      if (StrPtr == NULL) {
 | 
						|
        StrPtr = Value + StrLen (Value);
 | 
						|
      }
 | 
						|
 | 
						|
      //
 | 
						|
      // Convert Value to Buffer data
 | 
						|
      //
 | 
						|
      DataBuffer = (UINT8 *)&PrivateData->Configuration.NameValueVar0;
 | 
						|
      ZeroMem (TemStr, sizeof (TemStr));
 | 
						|
      for (Index = 0, StrPtr--; StrPtr >= Value; StrPtr--, Index++) {
 | 
						|
        TemStr[0]  = *StrPtr;
 | 
						|
        DigitUint8 = (UINT8)StrHexToUint64 (TemStr);
 | 
						|
        if ((Index & 1) == 0) {
 | 
						|
          DataBuffer[Index/2] = DigitUint8;
 | 
						|
        } else {
 | 
						|
          DataBuffer[Index/2] = (UINT8)((UINT8)(DigitUint8 << 4) + DataBuffer[Index/2]);
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Convert value for NameValueVar1
 | 
						|
    //
 | 
						|
    if ((Value = StrStr (Configuration, PrivateData->NameValueName[1])) != NULL) {
 | 
						|
      //
 | 
						|
      // Skip "Name="
 | 
						|
      //
 | 
						|
      Value += StrLen (PrivateData->NameValueName[1]);
 | 
						|
      Value++;
 | 
						|
      //
 | 
						|
      // Get Value String
 | 
						|
      //
 | 
						|
      StrPtr = StrStr (Value, L"&");
 | 
						|
      if (StrPtr == NULL) {
 | 
						|
        StrPtr = Value + StrLen (Value);
 | 
						|
      }
 | 
						|
 | 
						|
      //
 | 
						|
      // Convert Value to Buffer data
 | 
						|
      //
 | 
						|
      DataBuffer = (UINT8 *)&PrivateData->Configuration.NameValueVar1;
 | 
						|
      ZeroMem (TemStr, sizeof (TemStr));
 | 
						|
      for (Index = 0, StrPtr--; StrPtr >= Value; StrPtr--, Index++) {
 | 
						|
        TemStr[0]  = *StrPtr;
 | 
						|
        DigitUint8 = (UINT8)StrHexToUint64 (TemStr);
 | 
						|
        if ((Index & 1) == 0) {
 | 
						|
          DataBuffer[Index/2] = DigitUint8;
 | 
						|
        } else {
 | 
						|
          DataBuffer[Index/2] = (UINT8)((UINT8)(DigitUint8 << 4) + DataBuffer[Index/2]);
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Convert value for NameValueVar2
 | 
						|
    //
 | 
						|
    if ((Value = StrStr (Configuration, PrivateData->NameValueName[2])) != NULL) {
 | 
						|
      //
 | 
						|
      // Skip "Name="
 | 
						|
      //
 | 
						|
      Value += StrLen (PrivateData->NameValueName[2]);
 | 
						|
      Value++;
 | 
						|
      //
 | 
						|
      // Get Value String
 | 
						|
      //
 | 
						|
      StrPtr = StrStr (Value, L"&");
 | 
						|
      if (StrPtr == NULL) {
 | 
						|
        StrPtr = Value + StrLen (Value);
 | 
						|
      }
 | 
						|
 | 
						|
      //
 | 
						|
      // Convert Config String to Unicode String, e.g "0041004200430044" => "ABCD"
 | 
						|
      //
 | 
						|
      StrBuffer = (CHAR16 *)PrivateData->Configuration.NameValueVar2;
 | 
						|
      ZeroMem (TemStr, sizeof (TemStr));
 | 
						|
      while (Value < StrPtr) {
 | 
						|
        StrnCpyS (TemStr, sizeof (TemStr) / sizeof (CHAR16), Value, 4);
 | 
						|
        *(StrBuffer++) = (CHAR16)StrHexToUint64 (TemStr);
 | 
						|
        Value         += 4;
 | 
						|
      }
 | 
						|
 | 
						|
      *StrBuffer = L'\0';
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Store Buffer Storage back to EFI variable
 | 
						|
    //
 | 
						|
    Status = gRT->SetVariable (
 | 
						|
                    VariableName,
 | 
						|
                    &gDriverSampleFormSetGuid,
 | 
						|
                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                    sizeof (DRIVER_SAMPLE_CONFIGURATION),
 | 
						|
                    &PrivateData->Configuration
 | 
						|
                    );
 | 
						|
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()
 | 
						|
  //
 | 
						|
  BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
 | 
						|
  Status     = HiiConfigRouting->ConfigToBlock (
 | 
						|
                                   HiiConfigRouting,
 | 
						|
                                   Configuration,
 | 
						|
                                   (UINT8 *)&PrivateData->Configuration,
 | 
						|
                                   &BufferSize,
 | 
						|
                                   Progress
 | 
						|
                                   );
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Store Buffer Storage back to EFI variable
 | 
						|
  //
 | 
						|
  Status = gRT->SetVariable (
 | 
						|
                  VariableName,
 | 
						|
                  &gDriverSampleFormSetGuid,
 | 
						|
                  EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                  sizeof (DRIVER_SAMPLE_CONFIGURATION),
 | 
						|
                  &PrivateData->Configuration
 | 
						|
                  );
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  This function processes the results of changes in configuration.
 | 
						|
 | 
						|
  @param  This                   Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
 | 
						|
  @param  Action                 Specifies the type of action taken by the browser.
 | 
						|
  @param  QuestionId             A unique value which is sent to the original
 | 
						|
                                 exporting driver so that it can identify the type
 | 
						|
                                 of data to expect.
 | 
						|
  @param  Type                   The type of value for the question.
 | 
						|
  @param  Value                  A pointer to the data being sent to the original
 | 
						|
                                 exporting driver.
 | 
						|
  @param  ActionRequest          On return, points to the action requested by the
 | 
						|
                                 callback function.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS            The callback successfully handled the action.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES   Not enough storage is available to hold the
 | 
						|
                                 variable and its data.
 | 
						|
  @retval EFI_DEVICE_ERROR       The variable could not be saved.
 | 
						|
  @retval EFI_UNSUPPORTED        The specified Action is not supported by the
 | 
						|
                                 callback.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
DriverCallback (
 | 
						|
  IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL  *This,
 | 
						|
  IN  EFI_BROWSER_ACTION                    Action,
 | 
						|
  IN  EFI_QUESTION_ID                       QuestionId,
 | 
						|
  IN  UINT8                                 Type,
 | 
						|
  IN  EFI_IFR_TYPE_VALUE                    *Value,
 | 
						|
  OUT EFI_BROWSER_ACTION_REQUEST            *ActionRequest
 | 
						|
  )
 | 
						|
{
 | 
						|
  DRIVER_SAMPLE_PRIVATE_DATA   *PrivateData;
 | 
						|
  EFI_STATUS                   Status;
 | 
						|
  VOID                         *StartOpCodeHandle;
 | 
						|
  VOID                         *OptionsOpCodeHandle;
 | 
						|
  EFI_IFR_GUID_LABEL           *StartLabel;
 | 
						|
  VOID                         *EndOpCodeHandle;
 | 
						|
  EFI_IFR_GUID_LABEL           *EndLabel;
 | 
						|
  EFI_INPUT_KEY                Key;
 | 
						|
  DRIVER_SAMPLE_CONFIGURATION  *Configuration;
 | 
						|
  MY_EFI_VARSTORE_DATA         *EfiData;
 | 
						|
  EFI_FORM_ID                  FormId;
 | 
						|
  EFI_STRING                   Progress;
 | 
						|
  EFI_STRING                   Results;
 | 
						|
  UINT32                       ProgressErr;
 | 
						|
  CHAR16                       *TmpStr;
 | 
						|
  UINTN                        Index;
 | 
						|
  UINT64                       BufferValue;
 | 
						|
  EFI_HII_POPUP_SELECTION      UserSelection;
 | 
						|
 | 
						|
  UserSelection = 0xFF;
 | 
						|
 | 
						|
  if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE)) ||
 | 
						|
      (ActionRequest == NULL))
 | 
						|
  {
 | 
						|
    return EFI_INVALID_PARAMETER;
 | 
						|
  }
 | 
						|
 | 
						|
  FormId      = 0;
 | 
						|
  ProgressErr = 0;
 | 
						|
  Status      = EFI_SUCCESS;
 | 
						|
  BufferValue = 3;
 | 
						|
  PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
 | 
						|
 | 
						|
  switch (Action) {
 | 
						|
    case EFI_BROWSER_ACTION_FORM_OPEN:
 | 
						|
    {
 | 
						|
      if (QuestionId == 0x1234) {
 | 
						|
        //
 | 
						|
        // Sample CallBack for UEFI FORM_OPEN action:
 | 
						|
        //   Add Save action into Form 3 when Form 1 is opened.
 | 
						|
        //   This will be done only in FORM_OPEN CallBack of question with ID 0x1234 from Form 1.
 | 
						|
        //
 | 
						|
        PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
 | 
						|
 | 
						|
        //
 | 
						|
        // Initialize the container for dynamic opcodes
 | 
						|
        //
 | 
						|
        StartOpCodeHandle = HiiAllocateOpCodeHandle ();
 | 
						|
        ASSERT (StartOpCodeHandle != NULL);
 | 
						|
 | 
						|
        //
 | 
						|
        // Create Hii Extend Label OpCode as the start opcode
 | 
						|
        //
 | 
						|
        StartLabel               = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
 | 
						|
        StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
 | 
						|
        StartLabel->Number       = LABEL_UPDATE2;
 | 
						|
 | 
						|
        HiiCreateActionOpCode (
 | 
						|
          StartOpCodeHandle,                // Container for dynamic created opcodes
 | 
						|
          0x1238,                           // Question ID
 | 
						|
          STRING_TOKEN (STR_SAVE_TEXT),     // Prompt text
 | 
						|
          STRING_TOKEN (STR_SAVE_TEXT),     // Help text
 | 
						|
          EFI_IFR_FLAG_CALLBACK,            // Question flag
 | 
						|
          0                                 // Action String ID
 | 
						|
          );
 | 
						|
 | 
						|
        HiiUpdateForm (
 | 
						|
          PrivateData->HiiHandle[0],  // HII handle
 | 
						|
          &gDriverSampleFormSetGuid,  // Formset GUID
 | 
						|
          0x3,                        // Form ID
 | 
						|
          StartOpCodeHandle,          // Label for where to insert opcodes
 | 
						|
          NULL                        // Insert data
 | 
						|
          );
 | 
						|
 | 
						|
        HiiFreeOpCodeHandle (StartOpCodeHandle);
 | 
						|
      }
 | 
						|
 | 
						|
      if (QuestionId == 0x1247) {
 | 
						|
        Status = InternalStartMonitor ();
 | 
						|
        ASSERT_EFI_ERROR (Status);
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_FORM_CLOSE:
 | 
						|
    {
 | 
						|
      if (QuestionId == 0x5678) {
 | 
						|
        //
 | 
						|
        // Sample CallBack for UEFI FORM_CLOSE action:
 | 
						|
        //   Show up a pop-up to specify Form 3 will be closed when exit Form 3.
 | 
						|
        //
 | 
						|
        do {
 | 
						|
          CreatePopUp (
 | 
						|
            EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
 | 
						|
            &Key,
 | 
						|
            L"",
 | 
						|
            L"You are going to leave third Form!",
 | 
						|
            L"Press ESC or ENTER to continue ...",
 | 
						|
            L"",
 | 
						|
            NULL
 | 
						|
            );
 | 
						|
        } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
 | 
						|
      }
 | 
						|
 | 
						|
      if (QuestionId == 0x1247) {
 | 
						|
        Status = InternalStopMonitor ();
 | 
						|
        ASSERT_EFI_ERROR (Status);
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_RETRIEVE:
 | 
						|
    {
 | 
						|
      switch (QuestionId ) {
 | 
						|
        case 0x1248:
 | 
						|
          if (Type != EFI_IFR_TYPE_REF) {
 | 
						|
            return EFI_INVALID_PARAMETER;
 | 
						|
          }
 | 
						|
 | 
						|
          Value->ref.FormId = 0x3;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x5678:
 | 
						|
        case 0x1247:
 | 
						|
          //
 | 
						|
          // We will reach here once the Question is refreshed
 | 
						|
          //
 | 
						|
 | 
						|
          //
 | 
						|
          // Initialize the container for dynamic opcodes
 | 
						|
          //
 | 
						|
          StartOpCodeHandle = HiiAllocateOpCodeHandle ();
 | 
						|
          ASSERT (StartOpCodeHandle != NULL);
 | 
						|
 | 
						|
          //
 | 
						|
          // Create Hii Extend Label OpCode as the start opcode
 | 
						|
          //
 | 
						|
          StartLabel               = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
 | 
						|
          StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
 | 
						|
          if (QuestionId == 0x5678) {
 | 
						|
            StartLabel->Number = LABEL_UPDATE2;
 | 
						|
            FormId             = 0x03;
 | 
						|
            PrivateData->Configuration.DynamicRefresh++;
 | 
						|
          } else if (QuestionId == 0x1247 ) {
 | 
						|
            StartLabel->Number = LABEL_UPDATE3;
 | 
						|
            FormId             = 0x06;
 | 
						|
            PrivateData->Configuration.RefreshGuidCount++;
 | 
						|
          }
 | 
						|
 | 
						|
          HiiCreateActionOpCode (
 | 
						|
            StartOpCodeHandle,              // Container for dynamic created opcodes
 | 
						|
            0x1237,                         // Question ID
 | 
						|
            STRING_TOKEN (STR_EXIT_TEXT),   // Prompt text
 | 
						|
            STRING_TOKEN (STR_EXIT_TEXT),   // Help text
 | 
						|
            EFI_IFR_FLAG_CALLBACK,          // Question flag
 | 
						|
            0                               // Action String ID
 | 
						|
            );
 | 
						|
 | 
						|
          HiiUpdateForm (
 | 
						|
            PrivateData->HiiHandle[0],      // HII handle
 | 
						|
            &gDriverSampleFormSetGuid,      // Formset GUID
 | 
						|
            FormId,                         // Form ID
 | 
						|
            StartOpCodeHandle,              // Label for where to insert opcodes
 | 
						|
            NULL                            // Insert data
 | 
						|
            );
 | 
						|
 | 
						|
          HiiFreeOpCodeHandle (StartOpCodeHandle);
 | 
						|
 | 
						|
          //
 | 
						|
          // Refresh the Question value
 | 
						|
          //
 | 
						|
          Status = gRT->SetVariable (
 | 
						|
                          VariableName,
 | 
						|
                          &gDriverSampleFormSetGuid,
 | 
						|
                          EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                          sizeof (DRIVER_SAMPLE_CONFIGURATION),
 | 
						|
                          &PrivateData->Configuration
 | 
						|
                          );
 | 
						|
 | 
						|
          if (QuestionId == 0x5678) {
 | 
						|
            //
 | 
						|
            // Update uncommitted data of Browser
 | 
						|
            //
 | 
						|
            EfiData = AllocateZeroPool (sizeof (MY_EFI_VARSTORE_DATA));
 | 
						|
            ASSERT (EfiData != NULL);
 | 
						|
            if (HiiGetBrowserData (&gDriverSampleFormSetGuid, MyEfiVar, sizeof (MY_EFI_VARSTORE_DATA), (UINT8 *)EfiData)) {
 | 
						|
              EfiData->Field8 = 111;
 | 
						|
              HiiSetBrowserData (
 | 
						|
                &gDriverSampleFormSetGuid,
 | 
						|
                MyEfiVar,
 | 
						|
                sizeof (MY_EFI_VARSTORE_DATA),
 | 
						|
                (UINT8 *)EfiData,
 | 
						|
                NULL
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            FreePool (EfiData);
 | 
						|
          }
 | 
						|
 | 
						|
          break;
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_DEFAULT_STANDARD:
 | 
						|
    {
 | 
						|
      switch (QuestionId) {
 | 
						|
        case 0x1240:
 | 
						|
          Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1252:
 | 
						|
          for (Index = 0; Index < 3; Index++) {
 | 
						|
            SetArrayData (Value, EFI_IFR_TYPE_NUM_SIZE_8, Index, BufferValue--);
 | 
						|
          }
 | 
						|
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x6666:
 | 
						|
          Value->u8 = 12;
 | 
						|
          break;
 | 
						|
 | 
						|
        default:
 | 
						|
          Status = EFI_UNSUPPORTED;
 | 
						|
          break;
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING:
 | 
						|
    {
 | 
						|
      switch (QuestionId) {
 | 
						|
        case 0x1240:
 | 
						|
          Value->u8 = DEFAULT_CLASS_MANUFACTURING_VALUE;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x6666:
 | 
						|
          Value->u8 = 13;
 | 
						|
          break;
 | 
						|
 | 
						|
        default:
 | 
						|
          Status = EFI_UNSUPPORTED;
 | 
						|
          break;
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_CHANGING:
 | 
						|
    {
 | 
						|
      switch (QuestionId) {
 | 
						|
        case 0x1249:
 | 
						|
        {
 | 
						|
          if (Type != EFI_IFR_TYPE_REF) {
 | 
						|
            return EFI_INVALID_PARAMETER;
 | 
						|
          }
 | 
						|
 | 
						|
          Value->ref.FormId = 0x1234;
 | 
						|
          break;
 | 
						|
        }
 | 
						|
        case 0x1234:
 | 
						|
          //
 | 
						|
          // Initialize the container for dynamic opcodes
 | 
						|
          //
 | 
						|
          StartOpCodeHandle = HiiAllocateOpCodeHandle ();
 | 
						|
          ASSERT (StartOpCodeHandle != NULL);
 | 
						|
 | 
						|
          EndOpCodeHandle = HiiAllocateOpCodeHandle ();
 | 
						|
          ASSERT (EndOpCodeHandle != NULL);
 | 
						|
 | 
						|
          //
 | 
						|
          // Create Hii Extend Label OpCode as the start opcode
 | 
						|
          //
 | 
						|
          StartLabel               = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
 | 
						|
          StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
 | 
						|
          StartLabel->Number       = LABEL_UPDATE1;
 | 
						|
 | 
						|
          //
 | 
						|
          // Create Hii Extend Label OpCode as the end opcode
 | 
						|
          //
 | 
						|
          EndLabel               = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
 | 
						|
          EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
 | 
						|
          EndLabel->Number       = LABEL_END;
 | 
						|
 | 
						|
          HiiCreateActionOpCode (
 | 
						|
            StartOpCodeHandle,            // Container for dynamic created opcodes
 | 
						|
            0x1237,                       // Question ID
 | 
						|
            STRING_TOKEN (STR_EXIT_TEXT), // Prompt text
 | 
						|
            STRING_TOKEN (STR_EXIT_TEXT), // Help text
 | 
						|
            EFI_IFR_FLAG_CALLBACK,        // Question flag
 | 
						|
            0                             // Action String ID
 | 
						|
            );
 | 
						|
 | 
						|
          //
 | 
						|
          // Create Option OpCode
 | 
						|
          //
 | 
						|
          OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();
 | 
						|
          ASSERT (OptionsOpCodeHandle != NULL);
 | 
						|
 | 
						|
          HiiCreateOneOfOptionOpCode (
 | 
						|
            OptionsOpCodeHandle,
 | 
						|
            STRING_TOKEN (STR_BOOT_OPTION1),
 | 
						|
            0,
 | 
						|
            EFI_IFR_NUMERIC_SIZE_1,
 | 
						|
            1
 | 
						|
            );
 | 
						|
 | 
						|
          HiiCreateOneOfOptionOpCode (
 | 
						|
            OptionsOpCodeHandle,
 | 
						|
            STRING_TOKEN (STR_BOOT_OPTION2),
 | 
						|
            0,
 | 
						|
            EFI_IFR_NUMERIC_SIZE_1,
 | 
						|
            2
 | 
						|
            );
 | 
						|
 | 
						|
          //
 | 
						|
          // Prepare initial value for the dynamic created oneof Question
 | 
						|
          //
 | 
						|
          PrivateData->Configuration.DynamicOneof = 2;
 | 
						|
          Status                                  = gRT->SetVariable (
 | 
						|
                                                           VariableName,
 | 
						|
                                                           &gDriverSampleFormSetGuid,
 | 
						|
                                                           EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                                                           sizeof (DRIVER_SAMPLE_CONFIGURATION),
 | 
						|
                                                           &PrivateData->Configuration
 | 
						|
                                                           );
 | 
						|
 | 
						|
          //
 | 
						|
          // Set initial vlaue of dynamic created oneof Question in Form Browser
 | 
						|
          //
 | 
						|
          Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_CONFIGURATION));
 | 
						|
          ASSERT (Configuration != NULL);
 | 
						|
          if (HiiGetBrowserData (&gDriverSampleFormSetGuid, VariableName, sizeof (DRIVER_SAMPLE_CONFIGURATION), (UINT8 *)Configuration)) {
 | 
						|
            Configuration->DynamicOneof = 2;
 | 
						|
 | 
						|
            //
 | 
						|
            // Update uncommitted data of Browser
 | 
						|
            //
 | 
						|
            HiiSetBrowserData (
 | 
						|
              &gDriverSampleFormSetGuid,
 | 
						|
              VariableName,
 | 
						|
              sizeof (DRIVER_SAMPLE_CONFIGURATION),
 | 
						|
              (UINT8 *)Configuration,
 | 
						|
              NULL
 | 
						|
              );
 | 
						|
          }
 | 
						|
 | 
						|
          FreePool (Configuration);
 | 
						|
 | 
						|
          HiiCreateOneOfOpCode (
 | 
						|
            StartOpCodeHandle,                     // Container for dynamic created opcodes
 | 
						|
            0x8001,                                // Question ID (or call it "key")
 | 
						|
            CONFIGURATION_VARSTORE_ID,             // VarStore ID
 | 
						|
            (UINT16)DYNAMIC_ONE_OF_VAR_OFFSET,     // Offset in Buffer Storage
 | 
						|
            STRING_TOKEN (STR_ONE_OF_PROMPT),      // Question prompt text
 | 
						|
            STRING_TOKEN (STR_ONE_OF_HELP),        // Question help text
 | 
						|
            EFI_IFR_FLAG_CALLBACK,                 // Question flag
 | 
						|
            EFI_IFR_NUMERIC_SIZE_1,                // Data type of Question Value
 | 
						|
            OptionsOpCodeHandle,                   // Option Opcode list
 | 
						|
            NULL                                   // Default Opcode is NULl
 | 
						|
            );
 | 
						|
 | 
						|
          HiiCreateOrderedListOpCode (
 | 
						|
            StartOpCodeHandle,                       // Container for dynamic created opcodes
 | 
						|
            0x8002,                                  // Question ID
 | 
						|
            CONFIGURATION_VARSTORE_ID,               // VarStore ID
 | 
						|
            (UINT16)DYNAMIC_ORDERED_LIST_VAR_OFFSET, // Offset in Buffer Storage
 | 
						|
            STRING_TOKEN (STR_BOOT_OPTIONS),         // Question prompt text
 | 
						|
            STRING_TOKEN (STR_BOOT_OPTIONS),         // Question help text
 | 
						|
            EFI_IFR_FLAG_RESET_REQUIRED,             // Question flag
 | 
						|
            0,                                       // Ordered list flag, e.g. EFI_IFR_UNIQUE_SET
 | 
						|
            EFI_IFR_NUMERIC_SIZE_1,                  // Data type of Question value
 | 
						|
            5,                                       // Maximum container
 | 
						|
            OptionsOpCodeHandle,                     // Option Opcode list
 | 
						|
            NULL                                     // Default Opcode is NULl
 | 
						|
            );
 | 
						|
 | 
						|
          HiiCreateTextOpCode (
 | 
						|
            StartOpCodeHandle,
 | 
						|
            STRING_TOKEN (STR_TEXT_SAMPLE_HELP),
 | 
						|
            STRING_TOKEN (STR_TEXT_SAMPLE_HELP),
 | 
						|
            STRING_TOKEN (STR_TEXT_SAMPLE_STRING)
 | 
						|
            );
 | 
						|
 | 
						|
          HiiCreateDateOpCode (
 | 
						|
            StartOpCodeHandle,
 | 
						|
            0x8004,
 | 
						|
            0x0,
 | 
						|
            0x0,
 | 
						|
            STRING_TOKEN (STR_DATE_SAMPLE_HELP),
 | 
						|
            STRING_TOKEN (STR_DATE_SAMPLE_HELP),
 | 
						|
            0,
 | 
						|
            QF_DATE_STORAGE_TIME,
 | 
						|
            NULL
 | 
						|
            );
 | 
						|
 | 
						|
          HiiCreateTimeOpCode (
 | 
						|
            StartOpCodeHandle,
 | 
						|
            0x8005,
 | 
						|
            0x0,
 | 
						|
            0x0,
 | 
						|
            STRING_TOKEN (STR_TIME_SAMPLE_HELP),
 | 
						|
            STRING_TOKEN (STR_TIME_SAMPLE_HELP),
 | 
						|
            0,
 | 
						|
            QF_TIME_STORAGE_TIME,
 | 
						|
            NULL
 | 
						|
            );
 | 
						|
 | 
						|
          HiiCreateGotoOpCode (
 | 
						|
            StartOpCodeHandle,             // Container for dynamic created opcodes
 | 
						|
            1,                             // Target Form ID
 | 
						|
            STRING_TOKEN (STR_GOTO_FORM1), // Prompt text
 | 
						|
            STRING_TOKEN (STR_GOTO_HELP),  // Help text
 | 
						|
            0,                             // Question flag
 | 
						|
            0x8003                         // Question ID
 | 
						|
            );
 | 
						|
 | 
						|
          HiiUpdateForm (
 | 
						|
            PrivateData->HiiHandle[0], // HII handle
 | 
						|
            &gDriverSampleFormSetGuid, // Formset GUID
 | 
						|
            0x1234,                    // Form ID
 | 
						|
            StartOpCodeHandle,         // Label for where to insert opcodes
 | 
						|
            EndOpCodeHandle            // Replace data
 | 
						|
            );
 | 
						|
 | 
						|
          HiiFreeOpCodeHandle (StartOpCodeHandle);
 | 
						|
          HiiFreeOpCodeHandle (OptionsOpCodeHandle);
 | 
						|
          HiiFreeOpCodeHandle (EndOpCodeHandle);
 | 
						|
          break;
 | 
						|
 | 
						|
        default:
 | 
						|
          break;
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_CHANGED:
 | 
						|
      switch (QuestionId) {
 | 
						|
        case 0x1237:
 | 
						|
          //
 | 
						|
          // User press "Exit now", request Browser to exit
 | 
						|
          //
 | 
						|
          *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1238:
 | 
						|
          //
 | 
						|
          // User press "Save now", request Browser to save the uncommitted data.
 | 
						|
          //
 | 
						|
          *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1241:
 | 
						|
        case 0x1246:
 | 
						|
          //
 | 
						|
          // User press "Submit current form and Exit now", request Browser to submit current form and exit
 | 
						|
          //
 | 
						|
          *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1242:
 | 
						|
          //
 | 
						|
          // User press "Discard current form now", request Browser to discard the uncommitted data.
 | 
						|
          //
 | 
						|
          *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1243:
 | 
						|
          //
 | 
						|
          // User press "Submit current form now", request Browser to save the uncommitted data.
 | 
						|
          //
 | 
						|
          *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1244:
 | 
						|
        case 0x1245:
 | 
						|
          //
 | 
						|
          // User press "Discard current form and Exit now", request Browser to discard the uncommitted data and exit.
 | 
						|
          //
 | 
						|
          *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT;
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1231:
 | 
						|
          //
 | 
						|
          // 1. Check to see whether system support keyword.
 | 
						|
          //
 | 
						|
          Status = PrivateData->HiiKeywordHandler->GetData (
 | 
						|
                                                     PrivateData->HiiKeywordHandler,
 | 
						|
                                                     L"NAMESPACE=x-UEFI-ns",
 | 
						|
                                                     L"KEYWORD=iSCSIBootEnable",
 | 
						|
                                                     &Progress,
 | 
						|
                                                     &ProgressErr,
 | 
						|
                                                     &Results
 | 
						|
                                                     );
 | 
						|
          if (EFI_ERROR (Status)) {
 | 
						|
            do {
 | 
						|
              CreatePopUp (
 | 
						|
                EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
 | 
						|
                &Key,
 | 
						|
                L"",
 | 
						|
                L"This system not support this keyword!",
 | 
						|
                L"Press ENTER to continue ...",
 | 
						|
                L"",
 | 
						|
                NULL
 | 
						|
                );
 | 
						|
            } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
 | 
						|
 | 
						|
            Status = EFI_SUCCESS;
 | 
						|
            break;
 | 
						|
          }
 | 
						|
 | 
						|
          //
 | 
						|
          // 2. If system support this keyword, just try to change value.
 | 
						|
          //
 | 
						|
 | 
						|
          //
 | 
						|
          // Change value from '0' to '1' or from '1' to '0'
 | 
						|
          //
 | 
						|
          TmpStr = StrStr (Results, L"&VALUE=");
 | 
						|
          ASSERT (TmpStr != NULL);
 | 
						|
          TmpStr += StrLen (L"&VALUE=");
 | 
						|
          TmpStr++;
 | 
						|
          if (*TmpStr == L'0') {
 | 
						|
            *TmpStr = L'1';
 | 
						|
          } else {
 | 
						|
            *TmpStr = L'0';
 | 
						|
          }
 | 
						|
 | 
						|
          //
 | 
						|
          // 3. Call the keyword handler protocol to change the value.
 | 
						|
          //
 | 
						|
          Status = PrivateData->HiiKeywordHandler->SetData (
 | 
						|
                                                     PrivateData->HiiKeywordHandler,
 | 
						|
                                                     Results,
 | 
						|
                                                     &Progress,
 | 
						|
                                                     &ProgressErr
 | 
						|
                                                     );
 | 
						|
          if (EFI_ERROR (Status)) {
 | 
						|
            do {
 | 
						|
              CreatePopUp (
 | 
						|
                EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
 | 
						|
                &Key,
 | 
						|
                L"",
 | 
						|
                L"Set keyword to the system failed!",
 | 
						|
                L"Press ENTER to continue ...",
 | 
						|
                L"",
 | 
						|
                NULL
 | 
						|
                );
 | 
						|
            } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
 | 
						|
 | 
						|
            Status = EFI_SUCCESS;
 | 
						|
            break;
 | 
						|
          }
 | 
						|
 | 
						|
          break;
 | 
						|
 | 
						|
        case 0x1330:
 | 
						|
          Status = mPrivateData->HiiPopup->CreatePopup (
 | 
						|
                                             mPrivateData->HiiPopup,
 | 
						|
                                             EfiHiiPopupStyleInfo,
 | 
						|
                                             EfiHiiPopupTypeYesNo,
 | 
						|
                                             mPrivateData->HiiHandle[0],
 | 
						|
                                             STRING_TOKEN (STR_POPUP_STRING),
 | 
						|
                                             &UserSelection
 | 
						|
                                             );
 | 
						|
          if (!EFI_ERROR (Status)) {
 | 
						|
            if (UserSelection == EfiHiiPopupSelectionYes) {
 | 
						|
              *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
 | 
						|
            }
 | 
						|
          }
 | 
						|
 | 
						|
          break;
 | 
						|
 | 
						|
        default:
 | 
						|
          break;
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
 | 
						|
    case EFI_BROWSER_ACTION_SUBMITTED:
 | 
						|
    {
 | 
						|
      if (QuestionId == 0x1250) {
 | 
						|
        //
 | 
						|
        // Sample CallBack for EFI_BROWSER_ACTION_SUBMITTED action:
 | 
						|
        // Show up a pop-up to show SUBMITTED callback has been triggered.
 | 
						|
        //
 | 
						|
        do {
 | 
						|
          CreatePopUp (
 | 
						|
            EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
 | 
						|
            &Key,
 | 
						|
            L"",
 | 
						|
            L"EfiVarstore value has been submitted!",
 | 
						|
            L"Press ESC or ENTER to continue ...",
 | 
						|
            L"",
 | 
						|
            NULL
 | 
						|
            );
 | 
						|
        } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
 | 
						|
      }
 | 
						|
 | 
						|
      break;
 | 
						|
    }
 | 
						|
 | 
						|
    default:
 | 
						|
      Status = EFI_UNSUPPORTED;
 | 
						|
      break;
 | 
						|
  }
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Main entry for this driver.
 | 
						|
 | 
						|
  @param ImageHandle     Image handle this driver.
 | 
						|
  @param SystemTable     Pointer to SystemTable.
 | 
						|
 | 
						|
  @retval EFI_SUCESS     This function always complete successfully.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
DriverSampleInit (
 | 
						|
  IN EFI_HANDLE        ImageHandle,
 | 
						|
  IN EFI_SYSTEM_TABLE  *SystemTable
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                             Status;
 | 
						|
  EFI_HII_HANDLE                         HiiHandle[2];
 | 
						|
  EFI_SCREEN_DESCRIPTOR                  Screen;
 | 
						|
  EFI_HII_DATABASE_PROTOCOL              *HiiDatabase;
 | 
						|
  EFI_HII_STRING_PROTOCOL                *HiiString;
 | 
						|
  EFI_FORM_BROWSER2_PROTOCOL             *FormBrowser2;
 | 
						|
  EFI_HII_CONFIG_ROUTING_PROTOCOL        *HiiConfigRouting;
 | 
						|
  EFI_CONFIG_KEYWORD_HANDLER_PROTOCOL    *HiiKeywordHandler;
 | 
						|
  EFI_HII_POPUP_PROTOCOL                 *PopupHandler;
 | 
						|
  CHAR16                                 *NewString;
 | 
						|
  UINTN                                  BufferSize;
 | 
						|
  DRIVER_SAMPLE_CONFIGURATION            *Configuration;
 | 
						|
  BOOLEAN                                ActionFlag;
 | 
						|
  EFI_STRING                             ConfigRequestHdr;
 | 
						|
  EFI_STRING                             NameRequestHdr;
 | 
						|
  MY_EFI_VARSTORE_DATA                   *VarStoreConfig;
 | 
						|
  MY_EFI_BITS_VARSTORE_DATA              *BitsVarStoreConfig;
 | 
						|
  MY_EFI_UNION_DATA                      *UnionConfig;
 | 
						|
  EFI_INPUT_KEY                          HotKey;
 | 
						|
  EDKII_FORM_BROWSER_EXTENSION_PROTOCOL  *FormBrowserEx;
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize the local variables.
 | 
						|
  //
 | 
						|
  ConfigRequestHdr = NULL;
 | 
						|
  NewString        = NULL;
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize screen dimensions for SendForm().
 | 
						|
  // Remove 3 characters from top and bottom
 | 
						|
  //
 | 
						|
  ZeroMem (&Screen, sizeof (EFI_SCREEN_DESCRIPTOR));
 | 
						|
  gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Screen.RightColumn, &Screen.BottomRow);
 | 
						|
 | 
						|
  Screen.TopRow    = 3;
 | 
						|
  Screen.BottomRow = Screen.BottomRow - 3;
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize driver private data
 | 
						|
  //
 | 
						|
  mPrivateData = AllocateZeroPool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));
 | 
						|
  if (mPrivateData == NULL) {
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->Signature = DRIVER_SAMPLE_PRIVATE_SIGNATURE;
 | 
						|
 | 
						|
  mPrivateData->ConfigAccess.ExtractConfig = ExtractConfig;
 | 
						|
  mPrivateData->ConfigAccess.RouteConfig   = RouteConfig;
 | 
						|
  mPrivateData->ConfigAccess.Callback      = DriverCallback;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate Hii Database protocol
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **)&HiiDatabase);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiDatabase = HiiDatabase;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate HiiString protocol
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **)&HiiString);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiString = HiiString;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate Formbrowser2 protocol
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **)&FormBrowser2);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->FormBrowser2 = FormBrowser2;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate ConfigRouting protocol
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **)&HiiConfigRouting);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiConfigRouting = HiiConfigRouting;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate keyword handler protocol
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEfiConfigKeywordHandlerProtocolGuid, NULL, (VOID **)&HiiKeywordHandler);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiKeywordHandler = HiiKeywordHandler;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate HiiPopup protocol
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEfiHiiPopupProtocolGuid, NULL, (VOID **)&PopupHandler);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiPopup = PopupHandler;
 | 
						|
 | 
						|
  Status = gBS->InstallMultipleProtocolInterfaces (
 | 
						|
                  &DriverHandle[0],
 | 
						|
                  &gEfiDevicePathProtocolGuid,
 | 
						|
                  &mHiiVendorDevicePath0,
 | 
						|
                  &gEfiHiiConfigAccessProtocolGuid,
 | 
						|
                  &mPrivateData->ConfigAccess,
 | 
						|
                  NULL
 | 
						|
                  );
 | 
						|
  ASSERT_EFI_ERROR (Status);
 | 
						|
 | 
						|
  mPrivateData->DriverHandle[0] = DriverHandle[0];
 | 
						|
 | 
						|
  //
 | 
						|
  // Publish our HII data
 | 
						|
  //
 | 
						|
  HiiHandle[0] = HiiAddPackages (
 | 
						|
                   &gDriverSampleFormSetGuid,
 | 
						|
                   DriverHandle[0],
 | 
						|
                   DriverSampleStrings,
 | 
						|
                   VfrBin,
 | 
						|
                   NULL
 | 
						|
                   );
 | 
						|
  if (HiiHandle[0] == NULL) {
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiHandle[0] = HiiHandle[0];
 | 
						|
 | 
						|
  //
 | 
						|
  // Publish another Fromset
 | 
						|
  //
 | 
						|
  Status = gBS->InstallMultipleProtocolInterfaces (
 | 
						|
                  &DriverHandle[1],
 | 
						|
                  &gEfiDevicePathProtocolGuid,
 | 
						|
                  &mHiiVendorDevicePath1,
 | 
						|
                  &gEfiHiiConfigAccessProtocolGuid,
 | 
						|
                  &mPrivateData->ConfigAccess,
 | 
						|
                  NULL
 | 
						|
                  );
 | 
						|
  ASSERT_EFI_ERROR (Status);
 | 
						|
 | 
						|
  mPrivateData->DriverHandle[1] = DriverHandle[1];
 | 
						|
 | 
						|
  HiiHandle[1] = HiiAddPackages (
 | 
						|
                   &gDriverSampleInventoryGuid,
 | 
						|
                   DriverHandle[1],
 | 
						|
                   DriverSampleStrings,
 | 
						|
                   InventoryBin,
 | 
						|
                   NULL
 | 
						|
                   );
 | 
						|
  if (HiiHandle[1] == NULL) {
 | 
						|
    DriverSampleUnload (ImageHandle);
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  mPrivateData->HiiHandle[1] = HiiHandle[1];
 | 
						|
 | 
						|
  //
 | 
						|
  // Update the device path string.
 | 
						|
  //
 | 
						|
  NewString = ConvertDevicePathToText ((EFI_DEVICE_PATH_PROTOCOL *)&mHiiVendorDevicePath0, FALSE, FALSE);
 | 
						|
  if (HiiSetString (HiiHandle[0], STRING_TOKEN (STR_DEVICE_PATH), NewString, NULL) == 0) {
 | 
						|
    DriverSampleUnload (ImageHandle);
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  if (NewString != NULL) {
 | 
						|
    FreePool (NewString);
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Very simple example of how one would update a string that is already
 | 
						|
  // in the HII database
 | 
						|
  //
 | 
						|
  NewString = L"700 Mhz";
 | 
						|
 | 
						|
  if (HiiSetString (HiiHandle[0], STRING_TOKEN (STR_CPU_STRING2), NewString, NULL) == 0) {
 | 
						|
    DriverSampleUnload (ImageHandle);
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  HiiSetString (HiiHandle[0], 0, NewString, NULL);
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize Name/Value name String ID
 | 
						|
  //
 | 
						|
  mPrivateData->NameStringId[0] = STR_NAME_VALUE_VAR_NAME0;
 | 
						|
  mPrivateData->NameStringId[1] = STR_NAME_VALUE_VAR_NAME1;
 | 
						|
  mPrivateData->NameStringId[2] = STR_NAME_VALUE_VAR_NAME2;
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize configuration data
 | 
						|
  //
 | 
						|
  Configuration = &mPrivateData->Configuration;
 | 
						|
  ZeroMem (Configuration, sizeof (DRIVER_SAMPLE_CONFIGURATION));
 | 
						|
 | 
						|
  //
 | 
						|
  // Try to read NV config EFI variable first
 | 
						|
  //
 | 
						|
  ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, VariableName, DriverHandle[0]);
 | 
						|
  ASSERT (ConfigRequestHdr != NULL);
 | 
						|
 | 
						|
  NameRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, NULL, DriverHandle[0]);
 | 
						|
  ASSERT (NameRequestHdr != NULL);
 | 
						|
 | 
						|
  BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
 | 
						|
  Status     = gRT->GetVariable (VariableName, &gDriverSampleFormSetGuid, NULL, &BufferSize, Configuration);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // Store zero data Buffer Storage to EFI variable
 | 
						|
    //
 | 
						|
    Status = gRT->SetVariable (
 | 
						|
                    VariableName,
 | 
						|
                    &gDriverSampleFormSetGuid,
 | 
						|
                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                    sizeof (DRIVER_SAMPLE_CONFIGURATION),
 | 
						|
                    Configuration
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return Status;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // EFI variable for NV config doesn't exit, we should build this variable
 | 
						|
    // based on default values stored in IFR
 | 
						|
    //
 | 
						|
    ActionFlag = HiiSetToDefaults (NameRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
 | 
						|
    ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // EFI variable does exist and Validate Current Setting
 | 
						|
    //
 | 
						|
    ActionFlag = HiiValidateSettings (NameRequestHdr);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
 | 
						|
    ActionFlag = HiiValidateSettings (ConfigRequestHdr);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (ConfigRequestHdr);
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize efi varstore configuration data
 | 
						|
  //
 | 
						|
  VarStoreConfig = &mPrivateData->VarStoreConfig;
 | 
						|
  ZeroMem (VarStoreConfig, sizeof (MY_EFI_VARSTORE_DATA));
 | 
						|
 | 
						|
  ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, MyEfiVar, DriverHandle[0]);
 | 
						|
  ASSERT (ConfigRequestHdr != NULL);
 | 
						|
 | 
						|
  BufferSize = sizeof (MY_EFI_VARSTORE_DATA);
 | 
						|
  Status     = gRT->GetVariable (MyEfiVar, &gDriverSampleFormSetGuid, NULL, &BufferSize, VarStoreConfig);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // Store zero data to EFI variable Storage.
 | 
						|
    //
 | 
						|
    Status = gRT->SetVariable (
 | 
						|
                    MyEfiVar,
 | 
						|
                    &gDriverSampleFormSetGuid,
 | 
						|
                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                    sizeof (MY_EFI_VARSTORE_DATA),
 | 
						|
                    VarStoreConfig
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return Status;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // EFI variable for NV config doesn't exit, we should build this variable
 | 
						|
    // based on default values stored in IFR
 | 
						|
    //
 | 
						|
    ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // EFI variable does exist and Validate Current Setting
 | 
						|
    //
 | 
						|
    ActionFlag = HiiValidateSettings (ConfigRequestHdr);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (ConfigRequestHdr);
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize Bits efi varstore configuration data
 | 
						|
  //
 | 
						|
  BitsVarStoreConfig = &mPrivateData->BitsVarStoreConfig;
 | 
						|
  ZeroMem (BitsVarStoreConfig, sizeof (MY_EFI_BITS_VARSTORE_DATA));
 | 
						|
 | 
						|
  ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, MyEfiBitVar, DriverHandle[0]);
 | 
						|
  ASSERT (ConfigRequestHdr != NULL);
 | 
						|
 | 
						|
  BufferSize = sizeof (MY_EFI_BITS_VARSTORE_DATA);
 | 
						|
  Status     = gRT->GetVariable (MyEfiBitVar, &gDriverSampleFormSetGuid, NULL, &BufferSize, BitsVarStoreConfig);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // Store zero data to EFI variable Storage.
 | 
						|
    //
 | 
						|
    Status = gRT->SetVariable (
 | 
						|
                    MyEfiBitVar,
 | 
						|
                    &gDriverSampleFormSetGuid,
 | 
						|
                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                    sizeof (MY_EFI_BITS_VARSTORE_DATA),
 | 
						|
                    BitsVarStoreConfig
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return Status;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // EFI variable for NV config doesn't exit, we should build this variable
 | 
						|
    // based on default values stored in IFR
 | 
						|
    //
 | 
						|
    ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // EFI variable does exist and Validate Current Setting
 | 
						|
    //
 | 
						|
    ActionFlag = HiiValidateSettings (ConfigRequestHdr);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (ConfigRequestHdr);
 | 
						|
 | 
						|
  //
 | 
						|
  // Initialize Union efi varstore configuration data
 | 
						|
  //
 | 
						|
  UnionConfig = &mPrivateData->UnionConfig;
 | 
						|
  ZeroMem (UnionConfig, sizeof (MY_EFI_UNION_DATA));
 | 
						|
 | 
						|
  ConfigRequestHdr = HiiConstructConfigHdr (&gDriverSampleFormSetGuid, MyEfiUnionVar, DriverHandle[0]);
 | 
						|
  ASSERT (ConfigRequestHdr != NULL);
 | 
						|
 | 
						|
  BufferSize = sizeof (MY_EFI_UNION_DATA);
 | 
						|
  Status     = gRT->GetVariable (MyEfiUnionVar, &gDriverSampleFormSetGuid, NULL, &BufferSize, UnionConfig);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // Store zero data to EFI variable Storage.
 | 
						|
    //
 | 
						|
    Status = gRT->SetVariable (
 | 
						|
                    MyEfiUnionVar,
 | 
						|
                    &gDriverSampleFormSetGuid,
 | 
						|
                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
 | 
						|
                    sizeof (MY_EFI_UNION_DATA),
 | 
						|
                    UnionConfig
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return Status;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // EFI variable for NV config doesn't exit, we should build this variable
 | 
						|
    // based on default values stored in IFR
 | 
						|
    //
 | 
						|
    ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // EFI variable does exist and Validate Current Setting
 | 
						|
    //
 | 
						|
    ActionFlag = HiiValidateSettings (ConfigRequestHdr);
 | 
						|
    if (!ActionFlag) {
 | 
						|
      DriverSampleUnload (ImageHandle);
 | 
						|
      return EFI_INVALID_PARAMETER;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (ConfigRequestHdr);
 | 
						|
 | 
						|
  Status = gBS->CreateEventEx (
 | 
						|
                  EVT_NOTIFY_SIGNAL,
 | 
						|
                  TPL_NOTIFY,
 | 
						|
                  EfiEventEmptyFunction,
 | 
						|
                  NULL,
 | 
						|
                  &gEfiIfrRefreshIdOpGuid,
 | 
						|
                  &mEvent
 | 
						|
                  );
 | 
						|
  ASSERT_EFI_ERROR (Status);
 | 
						|
 | 
						|
  //
 | 
						|
  // Example of how to use BrowserEx protocol to register HotKey.
 | 
						|
  //
 | 
						|
  Status = gBS->LocateProtocol (&gEdkiiFormBrowserExProtocolGuid, NULL, (VOID **)&FormBrowserEx);
 | 
						|
  if (!EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // First unregister the default hot key F9 and F10.
 | 
						|
    //
 | 
						|
    HotKey.UnicodeChar = CHAR_NULL;
 | 
						|
    HotKey.ScanCode    = SCAN_F9;
 | 
						|
    FormBrowserEx->RegisterHotKey (&HotKey, 0, 0, NULL);
 | 
						|
    HotKey.ScanCode = SCAN_F10;
 | 
						|
    FormBrowserEx->RegisterHotKey (&HotKey, 0, 0, NULL);
 | 
						|
 | 
						|
    //
 | 
						|
    // Register the default HotKey F9 and F10 again.
 | 
						|
    //
 | 
						|
    HotKey.ScanCode = SCAN_F10;
 | 
						|
    NewString       = HiiGetString (mPrivateData->HiiHandle[0], STRING_TOKEN (FUNCTION_TEN_STRING), NULL);
 | 
						|
    ASSERT (NewString != NULL);
 | 
						|
    FormBrowserEx->RegisterHotKey (&HotKey, BROWSER_ACTION_SUBMIT, 0, NewString);
 | 
						|
    HotKey.ScanCode = SCAN_F9;
 | 
						|
    NewString       = HiiGetString (mPrivateData->HiiHandle[0], STRING_TOKEN (FUNCTION_NINE_STRING), NULL);
 | 
						|
    ASSERT (NewString != NULL);
 | 
						|
    FormBrowserEx->RegisterHotKey (&HotKey, BROWSER_ACTION_DEFAULT, EFI_HII_DEFAULT_CLASS_STANDARD, NewString);
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // In default, this driver is built into Flash device image,
 | 
						|
  // the following code doesn't run.
 | 
						|
  //
 | 
						|
 | 
						|
  //
 | 
						|
  // Example of how to display only the item we sent to HII
 | 
						|
  // When this driver is not built into Flash device image,
 | 
						|
  // it need to call SendForm to show front page by itself.
 | 
						|
  //
 | 
						|
  if (DISPLAY_ONLY_MY_ITEM <= 1) {
 | 
						|
    //
 | 
						|
    // Have the browser pull out our copy of the data, and only display our data
 | 
						|
    //
 | 
						|
    Status = FormBrowser2->SendForm (
 | 
						|
                             FormBrowser2,
 | 
						|
                             &(HiiHandle[DISPLAY_ONLY_MY_ITEM]),
 | 
						|
                             1,
 | 
						|
                             NULL,
 | 
						|
                             0,
 | 
						|
                             NULL,
 | 
						|
                             NULL
 | 
						|
                             );
 | 
						|
 | 
						|
    HiiRemovePackages (HiiHandle[0]);
 | 
						|
 | 
						|
    HiiRemovePackages (HiiHandle[1]);
 | 
						|
  }
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Unloads the application and its installed protocol.
 | 
						|
 | 
						|
  @param[in]  ImageHandle       Handle that identifies the image to be unloaded.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The image has been unloaded.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
DriverSampleUnload (
 | 
						|
  IN EFI_HANDLE  ImageHandle
 | 
						|
  )
 | 
						|
{
 | 
						|
  UINTN  Index;
 | 
						|
 | 
						|
  ASSERT (mPrivateData != NULL);
 | 
						|
 | 
						|
  if (DriverHandle[0] != NULL) {
 | 
						|
    gBS->UninstallMultipleProtocolInterfaces (
 | 
						|
           DriverHandle[0],
 | 
						|
           &gEfiDevicePathProtocolGuid,
 | 
						|
           &mHiiVendorDevicePath0,
 | 
						|
           &gEfiHiiConfigAccessProtocolGuid,
 | 
						|
           &mPrivateData->ConfigAccess,
 | 
						|
           NULL
 | 
						|
           );
 | 
						|
    DriverHandle[0] = NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  if (DriverHandle[1] != NULL) {
 | 
						|
    gBS->UninstallMultipleProtocolInterfaces (
 | 
						|
           DriverHandle[1],
 | 
						|
           &gEfiDevicePathProtocolGuid,
 | 
						|
           &mHiiVendorDevicePath1,
 | 
						|
           &gEfiHiiConfigAccessProtocolGuid,
 | 
						|
           &mPrivateData->ConfigAccess,
 | 
						|
           NULL
 | 
						|
           );
 | 
						|
    DriverHandle[1] = NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  if (mPrivateData->HiiHandle[0] != NULL) {
 | 
						|
    HiiRemovePackages (mPrivateData->HiiHandle[0]);
 | 
						|
  }
 | 
						|
 | 
						|
  if (mPrivateData->HiiHandle[1] != NULL) {
 | 
						|
    HiiRemovePackages (mPrivateData->HiiHandle[1]);
 | 
						|
  }
 | 
						|
 | 
						|
  for (Index = 0; Index < NAME_VALUE_NAME_NUMBER; Index++) {
 | 
						|
    if (mPrivateData->NameValueName[Index] != NULL) {
 | 
						|
      FreePool (mPrivateData->NameValueName[Index]);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (mPrivateData);
 | 
						|
  mPrivateData = NULL;
 | 
						|
 | 
						|
  gBS->CloseEvent (mEvent);
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 |