2f88bd3a12
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/** @file
|
|
Calculate the quotient of a 64-bit integer by a 32-bit integer
|
|
|
|
Copyright (c) 2006 - 2010, 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 64-bit unsigned result.
|
|
|
|
This function divides the 64-bit unsigned value Dividend by the 32-bit
|
|
unsigned value Divisor and generates a 64-bit unsigned quotient. This
|
|
function returns the 64-bit unsigned quotient.
|
|
|
|
@param Dividend A 64-bit unsigned value.
|
|
@param Divisor A 32-bit unsigned value.
|
|
|
|
@return Dividend / Divisor
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
InternalMathDivU64x32 (
|
|
IN UINT64 Dividend,
|
|
IN UINT32 Divisor
|
|
)
|
|
{
|
|
_asm {
|
|
mov eax, dword ptr [Dividend + 4]
|
|
mov ecx, Divisor
|
|
xor edx, edx
|
|
div ecx
|
|
push eax ; save quotient on stack
|
|
mov eax, dword ptr [Dividend]
|
|
div ecx
|
|
pop edx ; restore high-order dword of the quotient
|
|
}
|
|
}
|