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- /** @file
- SetMem64() implementation.
- The following BaseMemoryLib instances contain the same copy of this file:
- BaseMemoryLib
- BaseMemoryLibMmx
- BaseMemoryLibSse2
- BaseMemoryLibRepStr
- BaseMemoryLibOptDxe
- BaseMemoryLibOptPei
- PeiMemoryLib
- UefiMemoryLib
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include "MemLibInternals.h"
- /**
- Fills a target buffer with a 64-bit value, and returns the target buffer.
- This function fills Length bytes of Buffer with the 64-bit value specified by
- Value, and returns Buffer. Value is repeated every 64-bits in for Length
- bytes of Buffer.
- If Length > 0 and Buffer is NULL, then ASSERT().
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- If Buffer is not aligned on a 64-bit boundary, then ASSERT().
- If Length is not aligned on a 64-bit boundary, then ASSERT().
- @param Buffer The pointer to the target buffer to fill.
- @param Length The number of bytes in Buffer to fill.
- @param Value The value with which to fill Length bytes of Buffer.
- @return Buffer.
- **/
- VOID *
- EFIAPI
- SetMem64 (
- OUT VOID *Buffer,
- IN UINTN Length,
- IN UINT64 Value
- )
- {
- if (Length == 0) {
- return Buffer;
- }
- ASSERT (Buffer != NULL);
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
- ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0);
- ASSERT ((Length & (sizeof (Value) - 1)) == 0);
- return InternalMemSetMem64 (Buffer, Length / sizeof (Value), Value);
- }
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