move header files in MdeModulePkg\Core\Dxe except DxeMain.h into their corresponding sub-module directories. It is used to provide good modularity.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5949 6f19259b-4bc3-4df7-8a09-765794883524
2008-09-23 07:35:34 +00:00
parent 1046284db9
commit ec90508b3d
30 changed files with 322 additions and 419 deletions
--- a/MdeModulePkg/Core/Dxe/Mem/Imem.h
+++ b/MdeModulePkg/Core/Dxe/Mem/Imem.h
@@ -0,0 +1,155 @@
+/** @file
+  Data structure and functions to allocate and free memory space.
+
+Copyright (c) 2006 - 2008, Intel Corporation. <BR>
+All rights reserved. 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.
+
+**/
+
+#ifndef _IMEM_H_
+#define _IMEM_H_
+
+#if defined (MDE_CPU_IPF)
+///
+/// For Itanium machines make the default allocations 8K aligned
+///
+#define EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT  (EFI_PAGE_SIZE * 2)
+#define DEFAULT_PAGE_ALLOCATION                     (EFI_PAGE_SIZE * 2)
+
+#else
+///
+/// For genric EFI machines make the default allocations 4K aligned
+///
+#define EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT  (EFI_PAGE_SIZE)
+#define DEFAULT_PAGE_ALLOCATION                     (EFI_PAGE_SIZE)
+
+#endif
+
+
+//
+// MEMORY_MAP_ENTRY
+//
+
+#define MEMORY_MAP_SIGNATURE   EFI_SIGNATURE_32('m','m','a','p')
+typedef struct {
+  UINTN           Signature;
+  LIST_ENTRY      Link;
+  BOOLEAN         FromPages;
+
+  EFI_MEMORY_TYPE Type;
+  UINT64          Start;
+  UINT64          End;
+
+  UINT64          VirtualStart;
+  UINT64          Attribute;
+} MEMORY_MAP;
+
+//
+// Internal prototypes
+//
+
+
+/**
+  Internal function.  Used by the pool functions to allocate pages
+  to back pool allocation requests.
+
+  @param  PoolType               The type of memory for the new pool pages
+  @param  NumberOfPages          No of pages to allocate
+  @param  Alignment              Bits to align.
+
+  @return The allocated memory, or NULL
+
+**/
+VOID *
+CoreAllocatePoolPages (
+  IN EFI_MEMORY_TYPE    PoolType,
+  IN UINTN              NumberOfPages,
+  IN UINTN              Alignment
+  );
+
+
+
+/**
+  Internal function.  Frees pool pages allocated via AllocatePoolPages ()
+
+  @param  Memory                 The base address to free
+  @param  NumberOfPages          The number of pages to free
+
+**/
+VOID
+CoreFreePoolPages (
+  IN EFI_PHYSICAL_ADDRESS   Memory,
+  IN UINTN                  NumberOfPages
+  );
+
+
+
+/**
+  Internal function to allocate pool of a particular type.
+  Caller must have the memory lock held
+
+  @param  PoolType               Type of pool to allocate
+  @param  Size                   The amount of pool to allocate
+
+  @return The allocate pool, or NULL
+
+**/
+VOID *
+CoreAllocatePoolI (
+  IN EFI_MEMORY_TYPE  PoolType,
+  IN UINTN            Size
+  );
+
+
+
+/**
+  Internal function to free a pool entry.
+  Caller must have the memory lock held
+
+  @param  Buffer                 The allocated pool entry to free
+
+  @retval EFI_INVALID_PARAMETER  Buffer not valid
+  @retval EFI_SUCCESS            Buffer successfully freed.
+
+**/
+EFI_STATUS
+CoreFreePoolI (
+  IN VOID       *Buffer
+  );
+
+
+
+/**
+  Enter critical section by gaining lock on gMemoryLock.
+
+**/
+VOID
+CoreAcquireMemoryLock (
+  VOID
+  );
+
+
+/**
+  Exit critical section by releasing lock on gMemoryLock.
+
+**/
+VOID
+CoreReleaseMemoryLock (
+  VOID
+  );
+
+
+//
+// Internal Global data
+//
+
+extern EFI_LOCK           gMemoryLock;
+extern LIST_ENTRY         gMemoryMap;
+extern LIST_ENTRY         mGcdMemorySpaceMap;
+#endif