From 2ede1ac0cc746d17251361176657b5c8a91e3b7e Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Mon, 5 Sep 2016 11:13:19 +0100
Subject: ArmPkg/ArmLib: remove NullArmLib

Remove the NULL instance of ArmLib: it is not currently used, and its
usefulness its dubious.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 ArmPkg/ArmPkg.dsc                         |   1 -
 ArmPkg/Library/ArmLib/Null/NullArmLib.c   | 117 ------------------------------
 ArmPkg/Library/ArmLib/Null/NullArmLib.inf |  41 -----------
 3 files changed, 159 deletions(-)
 delete mode 100644 ArmPkg/Library/ArmLib/Null/NullArmLib.c
 delete mode 100644 ArmPkg/Library/ArmLib/Null/NullArmLib.inf

diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc
index 6f9fc661fb..e26ca035f5 100644
--- a/ArmPkg/ArmPkg.dsc
+++ b/ArmPkg/ArmPkg.dsc
@@ -111,7 +111,6 @@
   ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.inf
   ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf
   ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf
-  ArmPkg/Library/ArmLib/Null/NullArmLib.inf
   ArmPkg/Library/BaseMemoryLibStm/BaseMemoryLibStm.inf
   ArmPkg/Library/BdsLib/BdsLib.inf
   ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
diff --git a/ArmPkg/Library/ArmLib/Null/NullArmLib.c b/ArmPkg/Library/ArmLib/Null/NullArmLib.c
deleted file mode 100644
index e7e9c52547..0000000000
--- a/ArmPkg/Library/ArmLib/Null/NullArmLib.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/** @file
-
-  Copyright (c) 2008 - 2009, Apple Inc. 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 <Uefi.h>
-#include <Library/ArmLib.h>
-#include <Library/DebugLib.h>
-
-VOID
-EFIAPI
-ArmCleanInvalidateDataCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmCleanDataCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmInvalidateInstructionCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmInvalidateDataCacheEntryByMVA (
-  IN  UINTN Address
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmCleanDataCacheEntryByMVA (
-  IN  UINTN Address
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmCleanInvalidateDataCacheEntryByMVA (
-  IN  UINTN Address
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmEnableDataCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmDisableDataCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmEnableInstructionCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
-
-VOID
-EFIAPI
-ArmDisableInstructionCache (
-  VOID
-  )
-{
-  // Do not run code using the Null cache library.
-  ASSERT(FALSE);
-}
diff --git a/ArmPkg/Library/ArmLib/Null/NullArmLib.inf b/ArmPkg/Library/ArmLib/Null/NullArmLib.inf
deleted file mode 100644
index 6cfb2c4eac..0000000000
--- a/ArmPkg/Library/ArmLib/Null/NullArmLib.inf
+++ /dev/null
@@ -1,41 +0,0 @@
-#/** @file
-# Semihosting  serail port lib
-#
-# Copyright (c) 2008 - 2010, Apple Inc. 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.
-#
-#
-#**/
-
-[Defines]
-  INF_VERSION                    = 0x00010005
-  BASE_NAME                      = NullArmLib
-  FILE_GUID                      = 00586300-0E06-4790-AC44-86C56ACBB942
-  MODULE_TYPE                    = DXE_DRIVER
-  VERSION_STRING                 = 1.0
-  LIBRARY_CLASS                  = ArmLib
-
-[Sources.common]
-  ../Common/ArmLib.c
-
-  NullArmLib.c
-
-[Sources.ARM]
-  ../Common/Arm/ArmLibSupport.S    | GCC
-  ../Common/Arm/ArmLibSupport.asm  | RVCT
-
-[Sources.AARCH64]
-  ../Common/AArch64/ArmLibSupport.S
-
-[Packages]
-  ArmPkg/ArmPkg.dec
-  MdePkg/MdePkg.dec
-
-[Protocols]
-  gEfiCpuArchProtocolGuid
-- 
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