mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-02 13:03:28 +01:00
43 lines
1008 B
C
43 lines
1008 B
C
/** @file
|
|
Calculate the remainder of a 64-bit integer by a 32-bit integer
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
|
|
|
|
|
|
/**
|
|
Divides a 64-bit unsigned integer by a 32-bit unsigned integer and
|
|
generates a 32-bit unsigned remainder.
|
|
|
|
This function divides the 64-bit unsigned value Dividend by the 32-bit
|
|
unsigned value Divisor and generates a 32-bit remainder. This function
|
|
returns the 32-bit unsigned remainder.
|
|
|
|
@param Dividend A 64-bit unsigned value.
|
|
@param Divisor A 32-bit unsigned value.
|
|
|
|
@return Dividend % Divisor
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
InternalMathModU64x32 (
|
|
IN UINT64 Dividend,
|
|
IN UINT32 Divisor
|
|
)
|
|
{
|
|
_asm {
|
|
mov eax, dword ptr [Dividend + 4]
|
|
mov ecx, Divisor
|
|
xor edx, edx
|
|
div ecx
|
|
mov eax, dword ptr [Dividend + 0]
|
|
div ecx
|
|
mov eax, edx
|
|
}
|
|
}
|