/** @file Calculate the product of a 64-bit integer and a 32-bit integer Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ /** Multiples a 64-bit unsigned integer by a 32-bit unsigned integer and generates a 64-bit unsigned result. This function multiples the 64-bit unsigned value Multiplicand by the 32-bit unsigned value Multiplier and generates a 64-bit unsigned result. This 64- bit unsigned result is returned. @param Multiplicand A 64-bit unsigned value. @param Multiplier A 32-bit unsigned value. @return Multiplicand * Multiplier **/ UINT64 EFIAPI InternalMathMultU64x32 ( IN UINT64 Multiplicand, IN UINT32 Multiplier ) { _asm { mov ecx, Multiplier mov eax, ecx imul ecx, dword ptr [Multiplicand + 4] // overflow not detectable mul dword ptr [Multiplicand + 0] add edx, ecx } }