EmbeddedPkg: Introduce PrePiMemoryAllocationLib (2)

Forgot the new files ...



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11944 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 0 insertions, 160 deletions

diff --git a/EmbeddedPkg/Library/PrePiLib/Memory.c b/EmbeddedPkg/Library/PrePiLib/Memory.c
deleted file mode 100644
index e6a649f149..0000000000
--- a/EmbeddedPkg/Library/PrePiLib/Memory.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/** @file
-  Implementation of the 6 PEI Ffs (FV) APIs in library form.
-
-  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 <PrePi.h>
-
-
-
-/**
-  Allocates one or more 4KB pages of type EfiBootServicesData.
-
-  Allocates the number of 4KB pages of MemoryType and returns a pointer to the
-  allocated buffer.  The buffer returned is aligned on a 4KB boundary.  If Pages is 0, then NULL
-  is returned.  If there is not enough memory remaining to satisfy the request, then NULL is
-  returned.
-
-  @param  Pages                 The number of 4 KB pages to allocate.
-
-  @return A pointer to the allocated buffer or NULL if allocation fails.
-
-**/
-VOID * 
-EFIAPI
-AllocatePages (
-  IN UINTN            Pages
-  )
-{
-  EFI_PEI_HOB_POINTERS                    Hob;
-  EFI_PHYSICAL_ADDRESS                    Offset;
-
-  Hob.Raw = GetHobList ();
-
-  // Check to see if on 4k boundary
-  Offset = Hob.HandoffInformationTable->EfiFreeMemoryTop & 0xFFF;
-  if (Offset != 0) {
-    // If not aligned, make the allocation aligned.
-    Hob.HandoffInformationTable->EfiFreeMemoryTop -= Offset;
-  }
-
-  //
-  // Verify that there is sufficient memory to satisfy the allocation
-  //
-  if (Hob.HandoffInformationTable->EfiFreeMemoryTop - ((Pages * EFI_PAGE_SIZE) + sizeof (EFI_HOB_MEMORY_ALLOCATION)) < Hob.HandoffInformationTable->EfiFreeMemoryBottom) {
-    return 0;
-  } else {
-    //
-    // Update the PHIT to reflect the memory usage
-    //
-    Hob.HandoffInformationTable->EfiFreeMemoryTop -= Pages * EFI_PAGE_SIZE;
-
-    // This routine used to create a memory allocation HOB a la PEI, but that's not
-    // necessary for us.
-    
-    return (VOID *)(UINTN)Hob.HandoffInformationTable->EfiFreeMemoryTop;
-  }
-}
-
-
-/**
-  Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.
-
-  Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an
-  alignment specified by Alignment.  The allocated buffer is returned.  If Pages is 0, then NULL is
-  returned.  If there is not enough memory at the specified alignment remaining to satisfy the
-  request, then NULL is returned.
-  If Alignment is not a power of two and Alignment is not zero, then ASSERT().
-
-  @param  Pages                 The number of 4 KB pages to allocate.
-  @param  Alignment             The requested alignment of the allocation.  Must be a power of two.
-                                If Alignment is zero, then byte alignment is used.
-
-  @return A pointer to the allocated buffer or NULL if allocation fails.
-
-**/
-VOID *
-EFIAPI
-AllocateAlignedPages (
-  IN UINTN  Pages,
-  IN UINTN  Alignment
-  )
-{
-  VOID    *Memory;
-  UINTN   AlignmentMask;
-
-  //
-  // Alignment must be a power of two or zero.
-  //
-  ASSERT ((Alignment & (Alignment - 1)) == 0);
-
-  if (Pages == 0) {
-    return NULL;
-  }
-  //
-  // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow.
-  //
-  ASSERT (Pages <= (MAX_ADDRESS - EFI_SIZE_TO_PAGES (Alignment)));
-  //
-  // We would rather waste some memory to save PEI code size.
-  //
-  Memory = (VOID *)(UINTN)AllocatePages (Pages + EFI_SIZE_TO_PAGES (Alignment));
-  if (Alignment == 0) {
-    AlignmentMask = Alignment;
-  } else {
-    AlignmentMask = Alignment - 1;  
-  }
-  return (VOID *) (UINTN) (((UINTN) Memory + AlignmentMask) & ~AlignmentMask);
-}
-
-
-
-
-/**
-  Allocates a buffer of type EfiBootServicesData.
-
-  Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a
-  pointer to the allocated buffer.  If AllocationSize is 0, then a valid buffer of 0 size is
-  returned.  If there is not enough memory remaining to satisfy the request, then NULL is returned.
-
-  @param  AllocationSize        The number of bytes to allocate.
-
-  @return A pointer to the allocated buffer or NULL if allocation fails.
-
-**/
-VOID *
-EFIAPI
-AllocatePool (
-  IN UINTN  AllocationSize
-  )
-{
-  EFI_HOB_MEMORY_POOL      *Hob;
-
-  Hob = GetHobList ();
-
-  
-  //
-  // Verify that there is sufficient memory to satisfy the allocation
-  //
-  if (AllocationSize > 0x10000) {
-    // Please call AllcoatePages for big allocations
-    return 0;
-  } else {
-
-    Hob = (EFI_HOB_MEMORY_POOL *)CreateHob (EFI_HOB_TYPE_MEMORY_POOL, (UINT16)(sizeof (EFI_HOB_TYPE_MEMORY_POOL) + AllocationSize));
-    return (VOID *)(Hob + 1);
-  }
-}
-
-
-