MdePkg: Apply uncrustify changes

[mirror_edk2.git] / MdePkg / Library / DxeServicesLib / Allocate.c

/** @file\r
  DxeServicesLib memory allocation routines\r
\r
  Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiDxe.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/DxeServicesLib.h>\r
\r
/**\r
  Allocates one or more 4KB pages of a given type from a memory region that is\r
  accessible to PEI.\r
\r
  Allocates the number of 4KB pages of type 'MemoryType' and returns a\r
  pointer to the allocated buffer.  The buffer returned is aligned on a 4KB\r
  boundary.  If Pages is 0, then NULL is returned.  If there is not enough\r
  memory remaining to satisfy the request, then NULL is returned.\r
\r
  @param[in]  MemoryType            The memory type to allocate\r
  @param[in]  Pages                 The number of 4 KB pages to allocate.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
EFIAPI\r
AllocatePeiAccessiblePages (\r
  IN EFI_MEMORY_TYPE  MemoryType,\r
  IN UINTN            Pages\r
  )\r
{\r
  EFI_STATUS            Status;\r
  EFI_PHYSICAL_ADDRESS  Memory;\r
\r
  if (Pages == 0) {\r
    return NULL;\r
  }\r
\r
  Status = gBS->AllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);\r
  if (EFI_ERROR (Status)) {\r
    return NULL;\r
  }\r
\r
  return (VOID *)(UINTN)Memory;\r
}\r