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/*++
Copyright (c) 2004, Intel Corporation
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.
Module Name:
imem.h
Abstract:
Head file to imem.h
Revision History
--*/
#ifndef _IMEM_H_
#define _IMEM_H_
#include "Tiano.h"
#include "DxeCore.h"
#include "Processor.h"
//
// MEMORY_MAP_ENTRY
//
#define MEMORY_MAP_SIGNATURE EFI_SIGNATURE_32('m','m','a','p')
typedef struct {
UINTN Signature;
EFI_LIST_ENTRY Link;
BOOLEAN FromPages;
EFI_MEMORY_TYPE Type;
UINT64 Start;
UINT64 End;
UINT64 VirtualStart;
UINT64 Attribute;
} MEMORY_MAP;
//
// Internal prototypes
//
VOID *
CoreAllocatePoolPages (
IN EFI_MEMORY_TYPE PoolType,
IN UINTN NumberOfPages,
IN UINTN Alignment
)
/*++
Routine Description:
Internal function. Used by the pool functions to allocate pages
to back pool allocation requests.
Arguments:
PoolType - The type of memory for the new pool pages
NumberOfPages - No of pages to allocate
Alignment - Bits to align.
Returns:
The allocated memory, or NULL
--*/
;
VOID
CoreFreePoolPages (
IN EFI_PHYSICAL_ADDRESS Memory,
IN UINTN NumberOfPages
)
/*++
Routine Description:
Internal function. Frees pool pages allocated via AllocatePoolPages ()
Arguments:
Memory - The base address to free
NumberOfPages - The number of pages to free
Returns:
None
--*/
;
VOID *
CoreAllocatePoolI (
IN EFI_MEMORY_TYPE PoolType,
IN UINTN Size
)
/*++
Routine Description:
Internal function to allocate pool of a particular type.
N.B. Caller must have the memory lock held
Arguments:
PoolType - Type of pool to allocate
Size - The amount of pool to allocate
Returns:
The allocate pool, or NULL
--*/
;
EFI_STATUS
CoreFreePoolI (
IN VOID *Buffer
)
/*++
Routine Description:
Internal function to free a pool entry.
N.B. Caller must have the memory lock held
Arguments:
Buffer - The allocated pool entry to free
Returns:
EFI_INVALID_PARAMETER - Buffer not valid
EFI_SUCCESS - Buffer successfully freed.
--*/
;
VOID
CoreAcquireMemoryLock (
VOID
)
/*++
Routine Description:
Enter critical section by gaining lock on gMemoryLock
Arguments:
None
Returns:
None
--*/
;
VOID
CoreReleaseMemoryLock (
VOID
)
/*++
Routine Description:
Exit critical section by releasing lock on gMemoryLock
Arguments:
None
Returns:
None
--*/
;
//
// Internal Global data
//
extern EFI_LOCK gMemoryLock;
extern EFI_LIST_ENTRY gMemoryMap;
extern MEMORY_MAP *gMemoryLastConvert;
extern EFI_LIST_ENTRY mGcdMemorySpaceMap;
#endif
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