hikey: Add UEFI sources for reference

UEFI needs to be built outside Android build system.
Please follow the instructions in README.

The sources correspond to:
https://github.com/96boards/edk2/commit/14eae0c12e71fd33c4c0fc51e4475e8db02566cf
https://github.com/96boards/arm-trusted-firmware/commit/e9b4909dcd75fc4ae7041cfb83d28ab9adb7afdf
https://github.com/96boards/l-loader/commit/6b784ad5c4ab00e2b1c6f53cd5f74054e5d00a78
https://git.linaro.org/uefi/uefi-tools.git/commit/abe618f8ab72034fff1ce46c9c006a2c6bd40a7e

Change-Id: Ieeefdb63e673e0c8e64e0a1f02c7bddc63b2c7fb
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
diff --git a/uefi/linaro-edk2/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c b/uefi/linaro-edk2/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c
new file mode 100644
index 0000000..0d48f9d
--- /dev/null
+++ b/uefi/linaro-edk2/ShellPkg/Library/UefiShellDriver1CommandsLib/Unload.c
@@ -0,0 +1,149 @@
+/** @file

+  Main file for Unload shell Driver1 function.

+

+  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>

+  Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>

+  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 "UefiShellDriver1CommandsLib.h"

+

+/**

+  Function to dump LoadedImage info from TheHandle.

+

+  @param[in] TheHandle              The handle to dump info from.

+

+  @retval EFI_SUCCESS               The info was dumped.

+  @retval EFI_INVALID_PARAMETER     The handle did not have LoadedImage

+**/

+EFI_STATUS

+EFIAPI

+DumpLoadedImageProtocolInfo (

+  IN EFI_HANDLE   TheHandle

+  )

+{

+  CHAR16 *TheString;

+

+  TheString = GetProtocolInformationDump(TheHandle, &gEfiLoadedImageProtocolGuid, TRUE);

+  

+  ShellPrintEx(-1, -1, L"%s", TheString);

+

+  SHELL_FREE_NON_NULL(TheString);

+  

+  return (EFI_SUCCESS);

+}

+

+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {

+  {L"-n", TypeFlag},

+  {L"-v", TypeFlag},

+  {L"-verbose", TypeFlag},

+  {NULL, TypeMax}

+  };

+

+/**

+  Function for 'unload' command.

+

+  @param[in] ImageHandle  Handle to the Image (NULL if Internal).

+  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).

+**/

+SHELL_STATUS

+EFIAPI

+ShellCommandRunUnload (

+  IN EFI_HANDLE        ImageHandle,

+  IN EFI_SYSTEM_TABLE  *SystemTable

+  )

+{

+  EFI_STATUS            Status;

+  LIST_ENTRY            *Package;

+  CHAR16                *ProblemParam;

+  SHELL_STATUS          ShellStatus;

+  EFI_HANDLE            TheHandle;

+  CONST CHAR16          *Param1;

+  SHELL_PROMPT_RESPONSE *Resp;

+  UINT64                Value;

+

+  ShellStatus         = SHELL_SUCCESS;

+  Package             = NULL;

+  Resp                = NULL;

+  Value               = 0;

+  TheHandle           = NULL;

+

+  //

+  // initialize the shell lib (we must be in non-auto-init...)

+  //

+  Status = ShellInitialize();

+  ASSERT_EFI_ERROR(Status);

+

+  //

+  // parse the command line

+  //

+  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);

+  if (EFI_ERROR(Status)) {

+    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {

+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle,L"unload", ProblemParam);  

+      FreePool(ProblemParam);

+      ShellStatus = SHELL_INVALID_PARAMETER;

+    } else {

+      ASSERT(FALSE);

+    }

+  } else {

+    if (ShellCommandLineGetCount(Package) > 2){

+      //

+      // error for too many parameters

+      //

+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"unload");  

+      ShellStatus = SHELL_INVALID_PARAMETER;

+    } else if (ShellCommandLineGetCount(Package) < 2) {

+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"unload");  

+      ShellStatus = SHELL_INVALID_PARAMETER;

+    } else {

+      Param1    = ShellCommandLineGetRawValue(Package, 1);

+      if (Param1 != NULL) {

+        Status    = ShellConvertStringToUint64(Param1, &Value, TRUE, FALSE);

+        TheHandle = ConvertHandleIndexToHandle((UINTN)Value);

+      }

+

+      if (EFI_ERROR(Status) || Param1 == NULL || TheHandle == NULL){

+        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"unload", Param1);  

+        ShellStatus = SHELL_INVALID_PARAMETER;

+      } else {

+        ASSERT(TheHandle != NULL);

+        if (ShellCommandLineGetFlag(Package, L"-v") || ShellCommandLineGetFlag(Package, L"-verbose")) {

+          DumpLoadedImageProtocolInfo(TheHandle);

+        }

+        

+        if (!ShellCommandLineGetFlag(Package, L"-n")) {

+          Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_UNLOAD_CONF), gShellDriver1HiiHandle, (UINTN)TheHandle);

+          Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);

+        }

+        if (ShellCommandLineGetFlag(Package, L"-n") || (Resp != NULL && *Resp == ShellPromptResponseYes)) {

+          Status = gBS->UnloadImage(TheHandle);

+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Unload", (UINTN)TheHandle, Status);

+        }

+        SHELL_FREE_NON_NULL(Resp);

+      }

+    }

+  }

+  if (ShellStatus == SHELL_SUCCESS) {

+    if (Status == EFI_SECURITY_VIOLATION) {

+      ShellStatus = SHELL_SECURITY_VIOLATION;

+    } else if (Status == EFI_INVALID_PARAMETER) {

+      ShellStatus = SHELL_INVALID_PARAMETER;

+    } else if (EFI_ERROR(Status)) {

+      ShellStatus = SHELL_NOT_FOUND;

+    }

+  }

+

+  if (Package != NULL) {

+    ShellCommandLineFreeVarList(Package);

+  }

+

+  return (ShellStatus);

+}