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3eb9473e | 1 | /*++\r |
2 | \r | |
2c7e5c2f HT |
3 | Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>\r |
4 | This program and the accompanying materials \r | |
3eb9473e | 5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | \r | |
13 | Module Name:\r | |
14 | \r | |
c7f33ca4 | 15 | MultU64x64.c\r |
3eb9473e | 16 | \r |
17 | Abstract: \r | |
18 | \r | |
c7f33ca4 | 19 | \r |
3eb9473e | 20 | \r |
21 | --*/\r | |
22 | \r | |
c7f33ca4 | 23 | #include "BaseLibInternals.h"\r |
3eb9473e | 24 | \r |
c7f33ca4 | 25 | UINT64\r |
3eb9473e | 26 | EFIAPI\r |
c7f33ca4 | 27 | InternalMathMultU64x64 (\r |
28 | IN UINT64 Multiplicand,\r | |
29 | IN UINT64 Multiplier\r | |
3eb9473e | 30 | )\r |
31 | {\r | |
c7f33ca4 | 32 | _asm {\r |
33 | mov ebx, dword ptr [Multiplicand + 0]\r | |
34 | mov edx, dword ptr [Multiplier + 0]\r | |
35 | mov ecx, ebx\r | |
36 | mov eax, edx\r | |
37 | imul ebx, dword ptr [Multiplier + 4]\r | |
38 | imul edx, dword ptr [Multiplicand + 4]\r | |
39 | add ebx, edx\r | |
40 | mul ecx\r | |
41 | add edx, ebx\r | |
3eb9473e | 42 | }\r |
3eb9473e | 43 | }\r |
c7f33ca4 | 44 | \r |