| ;------------------------------------------------------------------------------ | |
| ; | |
| ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> | |
| ; SPDX-License-Identifier: BSD-2-Clause-Patent | |
| ; | |
| ; Module Name: | |
| ; | |
| ; DivU64x32.nasm | |
| ; | |
| ; Abstract: | |
| ; | |
| ; Calculate the quotient of a 64-bit integer by a 32-bit integer | |
| ; | |
| ;------------------------------------------------------------------------------ | |
| SECTION .text | |
| ;------------------------------------------------------------------------------ | |
| ; UINT64 | |
| ; EFIAPI | |
| ; InternalMathDivU64x32 ( | |
| ; IN UINT64 Dividend, | |
| ; IN UINT32 Divisor | |
| ; ); | |
| ;------------------------------------------------------------------------------ | |
| global ASM_PFX(InternalMathDivU64x32) | |
| ASM_PFX(InternalMathDivU64x32): | |
| mov eax, [esp + 8] | |
| mov ecx, [esp + 12] | |
| xor edx, edx | |
| div ecx | |
| push eax ; save quotient on stack | |
| mov eax, [esp + 8] | |
| div ecx | |
| pop edx ; restore high-order dword of the quotient | |
| ret | |