9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
41 lines
1.4 KiB
NASM
41 lines
1.4 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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; MultU64x64.nasm
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;
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; Abstract:
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;
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; Calculate the product of a 64-bit integer and another 64-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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; InternalMathMultU64x64 (
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; IN UINT64 Multiplicand,
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; IN UINT64 Multiplier
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(InternalMathMultU64x64)
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ASM_PFX(InternalMathMultU64x64):
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push ebx
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mov ebx, [esp + 8] ; ebx <- M1[0..31]
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mov edx, [esp + 16] ; edx <- M2[0..31]
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mov ecx, ebx
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mov eax, edx
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imul ebx, [esp + 20] ; ebx <- M1[0..31] * M2[32..63]
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imul edx, [esp + 12] ; edx <- M1[32..63] * M2[0..31]
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add ebx, edx ; carries are abandoned
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mul ecx ; edx:eax <- M1[0..31] * M2[0..31]
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add edx, ebx ; carries are abandoned
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pop ebx
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ret
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