;------------------------------------------------------------------------------ ; ; Copyright (c) 2006, Intel Corporation. All rights reserved.
; SPDX-License-Identifier: BSD-2-Clause-Patent ; ; Module Name: ; ; MultU64x32.nasm ; ; Abstract: ; ; Calculate the product of a 64-bit integer and a 32-bit integer ; ;------------------------------------------------------------------------------ SECTION .text ;------------------------------------------------------------------------------ ; UINT64 ; EFIAPI ; InternalMathMultU64x32 ( ; IN UINT64 Multiplicand, ; IN UINT32 Multiplier ; ); ;------------------------------------------------------------------------------ global ASM_PFX(InternalMathMultU64x32) ASM_PFX(InternalMathMultU64x32): mov ecx, [esp + 12] mov eax, ecx imul ecx, [esp + 8] ; overflow not detectable mul dword [esp + 4] add edx, ecx ret