-/** @file
-*
-* Copyright (c) 2011, ARM Limited. All rights reserved.
-*
-* This program and the accompanying materials
-* are licensed and made available under the terms and conditions of the BSD License
-* which accompanies this distribution. The full text of the license may be found at
-* http://opensource.org/licenses/bsd-license.php
-*
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-*
-**/
-
-#include "BdsInternal.h"
-
-EFI_STATUS
-GetEnvironmentVariable (
- IN CONST CHAR16* VariableName,
- IN VOID* DefaultValue,
- IN OUT UINTN* Size,
- OUT VOID** Value
- )
-{
- EFI_STATUS Status;
- UINTN VariableSize;
-
- // Try to get the variable size.
- *Value = NULL;
- VariableSize = 0;
- Status = gRT->GetVariable ((CHAR16 *) VariableName, &gEfiGlobalVariableGuid, NULL, &VariableSize, *Value);
- if (Status == EFI_NOT_FOUND) {
- if ((DefaultValue != NULL) && (Size != NULL) && (*Size != 0)) {
- // If the environment variable does not exist yet then set it with the default value
- Status = gRT->SetVariable (
- (CHAR16*)VariableName,
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- *Size,
- DefaultValue
- );
- *Value = DefaultValue;
- } else {
- return EFI_NOT_FOUND;
- }
- } else if (Status == EFI_BUFFER_TOO_SMALL) {
- // Get the environment variable value
- *Value = AllocatePool (VariableSize);
- if (*Value == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Status = gRT->GetVariable ((CHAR16 *)VariableName, &gEfiGlobalVariableGuid, NULL, &VariableSize, *Value);
- if (EFI_ERROR (Status)) {
- FreePool(*Value);
- return EFI_INVALID_PARAMETER;
- }
-
- if (Size) {
- *Size = VariableSize;
- }
- } else {
- *Value = DefaultValue;
- return Status;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EditHIInputStr (
- IN OUT CHAR16 *CmdLine,
- IN UINTN MaxCmdLine
- )
-{
- UINTN CmdLineIndex;
- UINTN WaitIndex;
- CHAR8 Char;
- EFI_INPUT_KEY Key;
- EFI_STATUS Status;
-
- Print (CmdLine);
-
- for (CmdLineIndex = StrLen (CmdLine); CmdLineIndex < MaxCmdLine; ) {
- Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &WaitIndex);
- ASSERT_EFI_ERROR (Status);
-
- Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
- ASSERT_EFI_ERROR (Status);
-
- // Unicode character is valid when Scancode is NUll
- if (Key.ScanCode == SCAN_NULL) {
- // Scan code is NUll, hence read Unicode character
- Char = (CHAR8)Key.UnicodeChar;
- } else {
- Char = CHAR_NULL;
- }
-
- if ((Char == CHAR_LINEFEED) || (Char == CHAR_CARRIAGE_RETURN) || (Char == 0x7f)) {
- CmdLine[CmdLineIndex] = '\0';
- Print (L"\n\r");
-
- return EFI_SUCCESS;
- } else if ((Key.UnicodeChar == L'\b') || (Key.ScanCode == SCAN_LEFT) || (Key.ScanCode == SCAN_DELETE)){
- if (CmdLineIndex != 0) {
- CmdLineIndex--;
- Print (L"\b \b");
- }
- } else if ((Key.ScanCode == SCAN_ESC) || (Char == 0x1B) || (Char == 0x0)) {
- return EFI_INVALID_PARAMETER;
- } else {
- CmdLine[CmdLineIndex++] = Key.UnicodeChar;
- Print (L"%c", Key.UnicodeChar);
- }
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetHIInputStr (
- IN OUT CHAR16 *CmdLine,
- IN UINTN MaxCmdLine
- )
-{
- EFI_STATUS Status;
-
- // For a new input just passed an empty string
- CmdLine[0] = L'\0';
-
- Status = EditHIInputStr (CmdLine, MaxCmdLine);
-
- return Status;
-}
-
-EFI_STATUS
-EditHIInputAscii (
- IN OUT CHAR8 *CmdLine,
- IN UINTN MaxCmdLine
- )
-{
- CHAR16* Str;
- EFI_STATUS Status;
-
- Str = (CHAR16*)AllocatePool (MaxCmdLine * sizeof(CHAR16));
- AsciiStrToUnicodeStr (CmdLine, Str);
-
- Status = EditHIInputStr (Str, MaxCmdLine);
-
- if (!EFI_ERROR(Status)) {
- UnicodeStrToAsciiStr (Str, CmdLine);
- }
- FreePool (Str);
-
- return Status;
-}
-
-EFI_STATUS
-GetHIInputAscii (
- IN OUT CHAR8 *CmdLine,
- IN UINTN MaxCmdLine
- )
-{
- // For a new input just passed an empty string
- CmdLine[0] = '\0';
-
- return EditHIInputAscii (CmdLine,MaxCmdLine);
-}
-
-EFI_STATUS
-GetHIInputInteger (
- OUT UINTN *Integer
- )
-{
- CHAR16 CmdLine[255];
- EFI_STATUS Status;
-
- CmdLine[0] = '\0';
- Status = EditHIInputStr (CmdLine, 255);
- if (!EFI_ERROR(Status)) {
- *Integer = StrDecimalToUintn (CmdLine);
- }
-
- return Status;
-}
-
-EFI_STATUS
-GetHIInputIP (
- OUT EFI_IP_ADDRESS *Ip
- )
-{
- CHAR16 CmdLine[255];
- CHAR16 *Str;
- EFI_STATUS Status;
-
- CmdLine[0] = '\0';
- Status = EditHIInputStr (CmdLine,255);
- if (!EFI_ERROR(Status)) {
- Str = CmdLine;
- Ip->v4.Addr[0] = (UINT8)StrDecimalToUintn (Str);
-
- Str = StrStr (Str, L".");
- if (Str == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Ip->v4.Addr[1] = (UINT8)StrDecimalToUintn (++Str);
-
- Str = StrStr (Str, L".");
- if (Str == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Ip->v4.Addr[2] = (UINT8)StrDecimalToUintn (++Str);
-
- Str = StrStr (Str, L".");
- if (Str == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Ip->v4.Addr[3] = (UINT8)StrDecimalToUintn (++Str);
- }
-
- return Status;
-}
-
-EFI_STATUS
-GetHIInputBoolean (
- OUT BOOLEAN *Value
- )
-{
- CHAR16 CmdBoolean[2];
- EFI_STATUS Status;
-
- while(1) {
- Print (L"[y/n] ");
- Status = GetHIInputStr (CmdBoolean,2);
- if (EFI_ERROR(Status)) {
- return Status;
- } else if ((CmdBoolean[0] == L'y') || (CmdBoolean[0] == L'Y')) {
- if (Value) *Value = TRUE;
- return EFI_SUCCESS;
- } else if ((CmdBoolean[0] == L'n') || (CmdBoolean[0] == L'N')) {
- if (Value) *Value = FALSE;
- return EFI_SUCCESS;
- }
- }
-}
-
-BOOLEAN
-HasFilePathEfiExtension (
- IN CHAR16* FilePath
- )
-{
- return (StrCmp (FilePath + (StrSize(FilePath)/sizeof(CHAR16)) - 5, L".efi") == 0);
-}
-
-// Return the last non end-type Device Path Node from a Device Path
-EFI_DEVICE_PATH*
-GetLastDevicePathNode (
- IN EFI_DEVICE_PATH* DevicePath
- )
-{
- EFI_DEVICE_PATH* PrevDevicePathNode;
-
- PrevDevicePathNode = DevicePath;
- while (!IsDevicePathEndType (DevicePath)) {
- PrevDevicePathNode = DevicePath;
- DevicePath = NextDevicePathNode (DevicePath);
- }
-
- return PrevDevicePathNode;
-}
-
-EFI_STATUS
-GenerateDeviceDescriptionName (
- IN EFI_HANDLE Handle,
- IN OUT CHAR16* Description
- )
-{
- EFI_STATUS Status;
- EFI_COMPONENT_NAME_PROTOCOL* ComponentName2Protocol;
- EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
- EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;
- CHAR16* DriverName;
- CHAR16* DevicePathTxt;
- EFI_DEVICE_PATH* DevicePathNode;
-
- ComponentName2Protocol = NULL;
- Status = gBS->HandleProtocol (Handle, &gEfiComponentName2ProtocolGuid, (VOID **)&ComponentName2Protocol);
- if (!EFI_ERROR(Status)) {
- //TODO: Fixme. we must find the best langague
- Status = ComponentName2Protocol->GetDriverName (ComponentName2Protocol,"en",&DriverName);
- if (!EFI_ERROR(Status)) {
- StrnCpy (Description,DriverName,BOOT_DEVICE_DESCRIPTION_MAX);
- }
- }
-
- if (EFI_ERROR(Status)) {
- // Use the lastest non null entry of the Device path as a description
- Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
- if (EFI_ERROR(Status)) {
- return Status;
- }
-
- // Convert the last non end-type Device Path Node in text for the description
- DevicePathNode = GetLastDevicePathNode (DevicePathProtocol);
- Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
- ASSERT_EFI_ERROR(Status);
- DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(DevicePathNode,TRUE,TRUE);
- StrnCpy (Description, DevicePathTxt, BOOT_DEVICE_DESCRIPTION_MAX);
- FreePool (DevicePathTxt);
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-BdsStartBootOption (
- IN CHAR16* BootOption
- )
-{
- EFI_STATUS Status;
- EFI_LOAD_OPTION EfiLoadOption;
- UINTN EfiLoadOptionSize;
- BDS_LOAD_OPTION *BdsLoadOption;
-
- Status = GetEnvironmentVariable (BootOption, NULL, &EfiLoadOptionSize, (VOID**)&EfiLoadOption);
- if (!EFI_ERROR(Status)) {
- Status = BootOptionParseLoadOption (EfiLoadOption, EfiLoadOptionSize, &BdsLoadOption);
- if (!EFI_ERROR(Status)) {
- Status = BootOptionStart (BdsLoadOption);
- FreePool (BdsLoadOption);
- }
-
- if (!EFI_ERROR(Status)) {
- Status = EFI_SUCCESS;
- } else {
- Status = EFI_NOT_STARTED;
- }
- } else {
- Status = EFI_NOT_FOUND;
- }
- return Status;
-}
-
-UINTN
-GetUnalignedDevicePathSize (
- IN EFI_DEVICE_PATH* DevicePath
- )
-{
- UINTN Size;
- EFI_DEVICE_PATH* AlignedDevicePath;
-
- if ((UINTN)DevicePath & 0x1) {
- AlignedDevicePath = DuplicateDevicePath (DevicePath);
- Size = GetDevicePathSize (AlignedDevicePath);
- FreePool (AlignedDevicePath);
- } else {
- Size = GetDevicePathSize (DevicePath);
- }
- return Size;
-}
-
-EFI_DEVICE_PATH*
-GetAlignedDevicePath (
- IN EFI_DEVICE_PATH* DevicePath
- )
-{
- if ((UINTN)DevicePath & 0x1) {
- return DuplicateDevicePath (DevicePath);
- } else {
- return DevicePath;
- }
-}
-
+/** @file\r
+*\r
+* Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
+* \r
+* This program and the accompanying materials \r
+* are licensed and made available under the terms and conditions of the BSD License \r
+* which accompanies this distribution. The full text of the license may be found at \r
+* http://opensource.org/licenses/bsd-license.php \r
+*\r
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+*\r
+**/\r
+\r
+#include "BdsInternal.h"\r
+\r
+EFI_STATUS\r
+EditHIInputStr (\r
+ IN OUT CHAR16 *CmdLine,\r
+ IN UINTN MaxCmdLine\r
+ )\r
+{\r
+ UINTN CmdLineIndex;\r
+ UINTN WaitIndex;\r
+ CHAR8 Char;\r
+ EFI_INPUT_KEY Key;\r
+ EFI_STATUS Status;\r
+\r
+ // The command line must be at least one character long\r
+ ASSERT (MaxCmdLine > 0);\r
+\r
+ // Ensure the last character of the buffer is the NULL character\r
+ CmdLine[MaxCmdLine - 1] = '\0';\r
+\r
+ Print (CmdLine);\r
+\r
+ // To prevent a buffer overflow, we only allow to enter (MaxCmdLine-1) characters\r
+ for (CmdLineIndex = StrLen (CmdLine); CmdLineIndex < MaxCmdLine - 1; ) {\r
+ Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &WaitIndex);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ // Unicode character is valid when Scancode is NUll\r
+ if (Key.ScanCode == SCAN_NULL) {\r
+ // Scan code is NUll, hence read Unicode character\r
+ Char = (CHAR8)Key.UnicodeChar;\r
+ } else {\r
+ Char = CHAR_NULL;\r
+ }\r
+\r
+ if ((Char == CHAR_LINEFEED) || (Char == CHAR_CARRIAGE_RETURN) || (Char == 0x7f)) {\r
+ CmdLine[CmdLineIndex] = '\0';\r
+ Print (L"\n\r");\r
+\r
+ return EFI_SUCCESS;\r
+ } else if ((Key.UnicodeChar == L'\b') || (Key.ScanCode == SCAN_LEFT) || (Key.ScanCode == SCAN_DELETE)){\r
+ if (CmdLineIndex != 0) {\r
+ CmdLineIndex--;\r
+ Print (L"\b \b");\r
+ }\r
+ } else if ((Key.ScanCode == SCAN_ESC) || (Char == 0x1B) || (Char == 0x0)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ } else {\r
+ CmdLine[CmdLineIndex++] = Key.UnicodeChar;\r
+ Print (L"%c", Key.UnicodeChar);\r
+ }\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+GetHIInputStr (\r
+ IN OUT CHAR16 *CmdLine,\r
+ IN UINTN MaxCmdLine\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ // For a new input just passed an empty string\r
+ CmdLine[0] = L'\0';\r
+\r
+ Status = EditHIInputStr (CmdLine, MaxCmdLine);\r
+\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+EditHIInputAscii (\r
+ IN OUT CHAR8 *CmdLine,\r
+ IN UINTN MaxCmdLine\r
+ )\r
+{\r
+ CHAR16* Str;\r
+ EFI_STATUS Status;\r
+\r
+ Str = (CHAR16*)AllocatePool (MaxCmdLine * sizeof(CHAR16));\r
+ AsciiStrToUnicodeStr (CmdLine, Str);\r
+\r
+ Status = EditHIInputStr (Str, MaxCmdLine);\r
+ if (!EFI_ERROR(Status)) {\r
+ UnicodeStrToAsciiStr (Str, CmdLine);\r
+ }\r
+ FreePool (Str);\r
+\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+GetHIInputAscii (\r
+ IN OUT CHAR8 *CmdLine,\r
+ IN UINTN MaxCmdLine\r
+ )\r
+{\r
+ // For a new input just passed an empty string\r
+ CmdLine[0] = '\0';\r
+\r
+ return EditHIInputAscii (CmdLine,MaxCmdLine);\r
+}\r
+\r
+EFI_STATUS\r
+GetHIInputInteger (\r
+ OUT UINTN *Integer\r
+ )\r
+{\r
+ CHAR16 CmdLine[255];\r
+ EFI_STATUS Status;\r
+\r
+ CmdLine[0] = '\0';\r
+ Status = EditHIInputStr (CmdLine, 255);\r
+ if (!EFI_ERROR(Status)) {\r
+ *Integer = StrDecimalToUintn (CmdLine);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+GetHIInputIP (\r
+ OUT EFI_IP_ADDRESS *Ip\r
+ )\r
+{\r
+ CHAR16 CmdLine[255];\r
+ CHAR16 *Str;\r
+ EFI_STATUS Status;\r
+\r
+ CmdLine[0] = '\0';\r
+ Status = EditHIInputStr (CmdLine,255);\r
+ if (!EFI_ERROR(Status)) {\r
+ Str = CmdLine;\r
+ Ip->v4.Addr[0] = (UINT8)StrDecimalToUintn (Str);\r
+\r
+ Str = StrStr (Str, L".");\r
+ if (Str == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip->v4.Addr[1] = (UINT8)StrDecimalToUintn (++Str);\r
+\r
+ Str = StrStr (Str, L".");\r
+ if (Str == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip->v4.Addr[2] = (UINT8)StrDecimalToUintn (++Str);\r
+\r
+ Str = StrStr (Str, L".");\r
+ if (Str == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Ip->v4.Addr[3] = (UINT8)StrDecimalToUintn (++Str);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+GetHIInputBoolean (\r
+ OUT BOOLEAN *Value\r
+ )\r
+{\r
+ CHAR16 CmdBoolean[2];\r
+ EFI_STATUS Status;\r
+\r
+ while(1) {\r
+ Print (L"[y/n] ");\r
+ Status = GetHIInputStr (CmdBoolean, 2);\r
+ if (EFI_ERROR(Status)) {\r
+ return Status;\r
+ } else if ((CmdBoolean[0] == L'y') || (CmdBoolean[0] == L'Y')) {\r
+ if (Value) *Value = TRUE;\r
+ return EFI_SUCCESS;\r
+ } else if ((CmdBoolean[0] == L'n') || (CmdBoolean[0] == L'N')) {\r
+ if (Value) *Value = FALSE;\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+}\r
+\r
+BOOLEAN\r
+HasFilePathEfiExtension (\r
+ IN CHAR16* FilePath\r
+ )\r
+{\r
+ return (StrCmp (FilePath + (StrSize (FilePath) / sizeof (CHAR16)) - 5, L".EFI") == 0) ||\r
+ (StrCmp (FilePath + (StrSize (FilePath) / sizeof (CHAR16)) - 5, L".efi") == 0);\r
+}\r
+\r
+// Return the last non end-type Device Path Node from a Device Path\r
+EFI_DEVICE_PATH*\r
+GetLastDevicePathNode (\r
+ IN EFI_DEVICE_PATH* DevicePath\r
+ )\r
+{\r
+ EFI_DEVICE_PATH* PrevDevicePathNode;\r
+\r
+ PrevDevicePathNode = DevicePath;\r
+ while (!IsDevicePathEndType (DevicePath)) {\r
+ PrevDevicePathNode = DevicePath;\r
+ DevicePath = NextDevicePathNode (DevicePath);\r
+ }\r
+\r
+ return PrevDevicePathNode;\r
+}\r
+\r
+EFI_STATUS\r
+GenerateDeviceDescriptionName (\r
+ IN EFI_HANDLE Handle,\r
+ IN OUT CHAR16* Description\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_COMPONENT_NAME_PROTOCOL* ComponentName2Protocol;\r
+ EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;\r
+ EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;\r
+ CHAR16* DriverName;\r
+ CHAR16* DevicePathTxt;\r
+ EFI_DEVICE_PATH* DevicePathNode;\r
+\r
+ ComponentName2Protocol = NULL;\r
+ Status = gBS->HandleProtocol (Handle, &gEfiComponentName2ProtocolGuid, (VOID **)&ComponentName2Protocol);\r
+ if (!EFI_ERROR(Status)) {\r
+ //TODO: Fixme. we must find the best langague\r
+ Status = ComponentName2Protocol->GetDriverName (ComponentName2Protocol,"en",&DriverName);\r
+ if (!EFI_ERROR(Status)) {\r
+ StrnCpy (Description, DriverName, BOOT_DEVICE_DESCRIPTION_MAX);\r
+ }\r
+ }\r
+\r
+ if (EFI_ERROR(Status)) {\r
+ // Use the lastest non null entry of the Device path as a description\r
+ Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);\r
+ if (EFI_ERROR(Status)) {\r
+ return Status;\r
+ }\r
+\r
+ // Convert the last non end-type Device Path Node in text for the description\r
+ DevicePathNode = GetLastDevicePathNode (DevicePathProtocol);\r
+ Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);\r
+ ASSERT_EFI_ERROR(Status);\r
+ DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (DevicePathNode, TRUE, TRUE);\r
+ StrnCpy (Description, DevicePathTxt, BOOT_DEVICE_DESCRIPTION_MAX);\r
+ FreePool (DevicePathTxt);\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+BdsStartBootOption (\r
+ IN CHAR16* BootOption\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ BDS_LOAD_OPTION *BdsLoadOption;\r
+\r
+ Status = BootOptionFromLoadOptionVariable (BootOption, &BdsLoadOption);\r
+ if (!EFI_ERROR(Status)) {\r
+ Status = BootOptionStart (BdsLoadOption);\r
+ FreePool (BdsLoadOption);\r
+\r
+ if (!EFI_ERROR(Status)) {\r
+ Status = EFI_SUCCESS;\r
+ } else {\r
+ Status = EFI_NOT_STARTED;\r
+ }\r
+ } else {\r
+ Status = EFI_NOT_FOUND;\r
+ }\r
+ return Status;\r
+}\r
+\r
+UINTN\r
+GetUnalignedDevicePathSize (\r
+ IN EFI_DEVICE_PATH* DevicePath\r
+ )\r
+{\r
+ UINTN Size;\r
+ EFI_DEVICE_PATH* AlignedDevicePath;\r
+\r
+ if ((UINTN)DevicePath & 0x1) {\r
+ AlignedDevicePath = DuplicateDevicePath (DevicePath);\r
+ Size = GetDevicePathSize (AlignedDevicePath);\r
+ FreePool (AlignedDevicePath);\r
+ } else {\r
+ Size = GetDevicePathSize (DevicePath);\r
+ }\r
+ return Size;\r
+}\r
+\r
+EFI_DEVICE_PATH*\r
+GetAlignedDevicePath (\r
+ IN EFI_DEVICE_PATH* DevicePath\r
+ )\r
+{\r
+ if ((UINTN)DevicePath & 0x1) {\r
+ return DuplicateDevicePath (DevicePath);\r
+ } else {\r
+ return DevicePath;\r
+ }\r
+}\r
+\r
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