mirror of
https://github.com/acidanthera/audk.git
synced 2025-07-19 11:44:24 +02:00
9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
38 lines
738 B
C
38 lines
738 B
C
/** @file
|
|
Implementation of 64-bit swap bytes
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
|
|
|
|
|
|
/**
|
|
Switches the endianess of a 64-bit integer.
|
|
|
|
This function swaps the bytes in a 64-bit unsigned value to switch the value
|
|
from little endian to big endian or vice versa. The byte swapped value is
|
|
returned.
|
|
|
|
@param Operand A 64-bit unsigned value.
|
|
|
|
@return The byte swaped Operand.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
InternalMathSwapBytes64 (
|
|
IN UINT64 Operand
|
|
)
|
|
{
|
|
_asm {
|
|
mov eax, dword ptr [Operand + 4]
|
|
mov edx, dword ptr [Operand + 0]
|
|
bswap eax
|
|
bswap edx
|
|
}
|
|
}
|
|
|