1 files changed, 0 insertions, 149 deletions
diff --git a/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c b/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c
deleted file mode 100755
index a0bb57541d..0000000000
--- a/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/** @file
-  Generic ARM implementation of DmaLib.h
-
-  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.
-
-**/
-
-#include <Uefi.h>
-#include <Library/DebugLib.h>
-#include <Library/DmaLib.h>
-#include <Library/MemoryAllocationLib.h>
-
-
-
-/**
-  Provides the DMA controller-specific addresses needed to access system memory.
-
-  Operation is relative to the DMA bus master.
-
-  @param  Operation             Indicates if the bus master is going to read or write to system memory.
-  @param  HostAddress           The system memory address to map to the DMA controller.
-  @param  NumberOfBytes         On input the number of bytes to map. On output the number of bytes
-                                that were mapped.
-  @param  DeviceAddress         The resulting map address for the bus master controller to use to
-                                access the hosts HostAddress.
-  @param  Mapping               A resulting value to pass to Unmap().
-
-  @retval EFI_SUCCESS           The range was mapped for the returned NumberOfBytes.
-  @retval EFI_UNSUPPORTED       The HostAddress cannot be mapped as a common buffer.
-  @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
-  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a lack of resources.
-  @retval EFI_DEVICE_ERROR      The system hardware could not map the requested address.
-
-**/
-EFI_STATUS
-EFIAPI
-DmaMap (
-  IN     DMA_MAP_OPERATION              Operation,
-  IN     VOID                           *HostAddress,
-  IN OUT UINTN                          *NumberOfBytes,
-  OUT    PHYSICAL_ADDRESS               *DeviceAddress,
-  OUT    VOID                           **Mapping
-  )
-{
-  *DeviceAddress = (PHYSICAL_ADDRESS)(UINTN)HostAddress;
-  *Mapping = NULL;
-  return EFI_SUCCESS;
-}
-
-
-/**
-  Completes the DmaMapBusMasterRead(), DmaMapBusMasterWrite(), or DmaMapBusMasterCommonBuffer()
-  operation and releases any corresponding resources.
-
-  @param  Mapping               The mapping value returned from DmaMap*().
-
-  @retval EFI_SUCCESS           The range was unmapped.
-  @retval EFI_DEVICE_ERROR      The data was not committed to the target system memory.
-
-**/
-EFI_STATUS
-EFIAPI
-DmaUnmap (
-  IN  VOID                         *Mapping
-  )
-{
-  return EFI_SUCCESS;
-}
-
-/**
-  Allocates pages that are suitable for an DmaMap() of type MapOperationBusMasterCommonBuffer.
-  mapping.
-
-  @param  MemoryType            The type of memory to allocate, EfiBootServicesData or
-                                EfiRuntimeServicesData.
-  @param  Pages                 The number of pages to allocate.
-  @param  HostAddress           A pointer to store the base system memory address of the
-                                allocated range.
-
-                                @retval EFI_SUCCESS           The requested memory pages were allocated.
-  @retval EFI_UNSUPPORTED       Attributes is unsupported. The only legal attribute bits are
-                                MEMORY_WRITE_COMBINE and MEMORY_CACHED.
-  @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
-  @retval EFI_OUT_OF_RESOURCES  The memory pages could not be allocated.
-
-**/
-EFI_STATUS
-EFIAPI
-DmaAllocateBuffer (
-  IN  EFI_MEMORY_TYPE              MemoryType,
-  IN  UINTN                        Pages,
-  OUT VOID                         **HostAddress
-  )
-{
-  if (HostAddress == NULL) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  //
-  // The only valid memory types are EfiBootServicesData and EfiRuntimeServicesData
-  //
-  // We used uncached memory to keep coherency
-  //
-  if (MemoryType == EfiBootServicesData) {
-    *HostAddress = AllocatePages (Pages);
-  } else if (MemoryType != EfiRuntimeServicesData) {
-    *HostAddress = AllocateRuntimePages (Pages);
-  } else {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  return EFI_SUCCESS;
-}
-
-
-/**
-  Frees memory that was allocated with DmaAllocateBuffer().
-
-  @param  Pages                 The number of pages to free.
-  @param  HostAddress           The base system memory address of the allocated range.
-
-  @retval EFI_SUCCESS           The requested memory pages were freed.
-  @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
-                                was not allocated with DmaAllocateBuffer().
-
-**/
-EFI_STATUS
-EFIAPI
-DmaFreeBuffer (
-  IN  UINTN                        Pages,
-  IN  VOID                         *HostAddress
-  )
-{
-  if (HostAddress == NULL) {
-     return EFI_INVALID_PARAMETER;
-  }
-
-  FreePages (HostAddress, Pages);
-  return EFI_SUCCESS;
-}
-