mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-27 16:58:09 +01:00
38 lines
1.1 KiB
NASM
38 lines
1.1 KiB
NASM
|
;------------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; 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
|
||
|
|
|