1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> 4 ; This program and the accompanying materials 5 ; are licensed and made available under the terms and conditions of the BSD License 6 ; which accompanies this distribution. The full text of the license may be found at 7 ; http://opensource.org/licenses/bsd-license.php. 8 ; 9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 ; 12 ; Module Name: 13 ; 14 ; MultU64x32.nasm 15 ; 16 ; Abstract: 17 ; 18 ; Calculate the product of a 64-bit integer and a 32-bit integer 19 ; 20 ;------------------------------------------------------------------------------ 21 22 SECTION .text 23 24 ;------------------------------------------------------------------------------ 25 ; UINT64 26 ; EFIAPI 27 ; InternalMathMultU64x32 ( 28 ; IN UINT64 Multiplicand, 29 ; IN UINT32 Multiplier 30 ; ); 31 ;------------------------------------------------------------------------------ 32 global ASM_PFX(InternalMathMultU64x32) 33 ASM_PFX(InternalMathMultU64x32): 34 mov ecx, [esp + 12] 35 mov eax, ecx 36 imul ecx, [esp + 8] ; overflow not detectable 37 mul dword [esp + 4] 38 add edx, ecx 39 ret 40 41
