diff options
Diffstat (limited to 'Core/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h')
-rw-r--r-- | Core/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h b/Core/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h new file mode 100644 index 0000000000..f795e83a2a --- /dev/null +++ b/Core/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h @@ -0,0 +1,251 @@ +/** @file
+ Declaration of internal functions for Base Memory Library.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+
+ Copyright (c) 2006 - 2016, Intel Corporation. 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.
+
+**/
+
+#ifndef __MEM_LIB_INTERNALS__
+#define __MEM_LIB_INTERNALS__
+
+#include <Base.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Copy Length bytes from Source to Destination.
+
+ @param DestinationBuffer Target of copy
+ @param SourceBuffer Place to copy from
+ @param Length The number of bytes to copy
+
+ @return Destination
+
+**/
+VOID *
+EFIAPI
+InternalMemCopyMem (
+ OUT VOID *DestinationBuffer,
+ IN CONST VOID *SourceBuffer,
+ IN UINTN Length
+ );
+
+/**
+ Set Buffer to Value for Size bytes.
+
+ @param Buffer The memory to set.
+ @param Length The number of bytes to set
+ @param Value The value of the set operation.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemSetMem (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT8 Value
+ );
+
+/**
+ Fills a target buffer with a 16-bit value, and returns the target buffer.
+
+ @param Buffer The pointer to the target buffer to fill.
+ @param Length The count of 16-bit value to fill.
+ @param Value The value with which to fill Length bytes of Buffer.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemSetMem16 (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT16 Value
+ );
+
+/**
+ Fills a target buffer with a 32-bit value, and returns the target buffer.
+
+ @param Buffer The pointer to the target buffer to fill.
+ @param Length The count of 32-bit value to fill.
+ @param Value The value with which to fill Length bytes of Buffer.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemSetMem32 (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT32 Value
+ );
+
+/**
+ Fills a target buffer with a 64-bit value, and returns the target buffer.
+
+ @param Buffer The pointer to the target buffer to fill.
+ @param Length The count of 64-bit value to fill.
+ @param Value The value with which to fill Length bytes of Buffer.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemSetMem64 (
+ OUT VOID *Buffer,
+ IN UINTN Length,
+ IN UINT64 Value
+ );
+
+/**
+ Set Buffer to 0 for Size bytes.
+
+ @param Buffer The memory to set.
+ @param Length The number of bytes to set.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemZeroMem (
+ OUT VOID *Buffer,
+ IN UINTN Length
+ );
+
+/**
+ Compares two memory buffers of a given length.
+
+ @param DestinationBuffer The first memory buffer.
+ @param SourceBuffer The second memory buffer.
+ @param Length The length of DestinationBuffer and SourceBuffer memory
+ regions to compare. Must be non-zero.
+
+ @return 0 All Length bytes of the two buffers are identical.
+ @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
+ mismatched byte in DestinationBuffer.
+
+**/
+INTN
+EFIAPI
+InternalMemCompareMem (
+ IN CONST VOID *DestinationBuffer,
+ IN CONST VOID *SourceBuffer,
+ IN UINTN Length
+ );
+
+/**
+ Scans a target buffer for an 8-bit value, and returns a pointer to the
+ matching 8-bit value in the target buffer.
+
+ @param Buffer The pointer to the target buffer to scan.
+ @param Length The count of 8-bit value to scan. Must be non-zero.
+ @param Value The value to search for in the target buffer.
+
+ @return The pointer to the first occurrence, or NULL if not found.
+
+**/
+CONST VOID *
+EFIAPI
+InternalMemScanMem8 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT8 Value
+ );
+
+/**
+ Scans a target buffer for a 16-bit value, and returns a pointer to the
+ matching 16-bit value in the target buffer.
+
+ @param Buffer The pointer to the target buffer to scan.
+ @param Length The count of 16-bit value to scan. Must be non-zero.
+ @param Value The value to search for in the target buffer.
+
+ @return The pointer to the first occurrence, or NULL if not found.
+
+**/
+CONST VOID *
+EFIAPI
+InternalMemScanMem16 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT16 Value
+ );
+
+/**
+ Scans a target buffer for a 32-bit value, and returns a pointer to the
+ matching 32-bit value in the target buffer.
+
+ @param Buffer The pointer to the target buffer to scan.
+ @param Length The count of 32-bit value to scan. Must be non-zero.
+ @param Value The value to search for in the target buffer.
+
+ @return The pointer to the first occurrence, or NULL if not found.
+
+**/
+CONST VOID *
+EFIAPI
+InternalMemScanMem32 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT32 Value
+ );
+
+/**
+ Scans a target buffer for a 64-bit value, and returns a pointer to the
+ matching 64-bit value in the target buffer.
+
+ @param Buffer The pointer to the target buffer to scan.
+ @param Length The count of 64-bit value to scan. Must be non-zero.
+ @param Value The value to search for in the target buffer.
+
+ @return The pointer to the first occurrence, or NULL if not found.
+
+**/
+CONST VOID *
+EFIAPI
+InternalMemScanMem64 (
+ IN CONST VOID *Buffer,
+ IN UINTN Length,
+ IN UINT64 Value
+ );
+
+/**
+ Checks whether the contents of a buffer are all zeros.
+
+ @param Buffer The pointer to the buffer to be checked.
+ @param Length The size of the buffer (in bytes) to be checked.
+
+ @retval TRUE Contents of the buffer are all zeros.
+ @retval FALSE Contents of the buffer are not all zeros.
+
+**/
+BOOLEAN
+EFIAPI
+InternalMemIsZeroBuffer (
+ IN CONST VOID *Buffer,
+ IN UINTN Length
+ );
+
+#endif
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