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