| ;------------------------------------------------------------------------------ | |
| ; | |
| ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> | |
| ; 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 | |