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e1f414b6 | 1 | /** @file\r |
2 | Calculate the remainder of a 64-bit integer by a 32-bit integer\r | |
3 | \r | |
373ade0e | 4 | Copyright (c) 2006 - 2008, Intel Corporation<BR>\r |
e1f414b6 | 5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
1efcc4ae | 15 | \r |
f734a10a | 16 | \r |
e1f414b6 | 17 | \r |
42eedea9 | 18 | /**\r |
19 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and\r | |
20 | generates a 32-bit unsigned remainder.\r | |
21 | \r | |
22 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
23 | unsigned value Divisor and generates a 32-bit remainder. This function\r | |
24 | returns the 32-bit unsigned remainder.\r | |
25 | \r | |
26 | @param Dividend A 64-bit unsigned value.\r | |
27 | @param Divisor A 32-bit unsigned value.\r | |
28 | \r | |
29 | @return Dividend % Divisor\r | |
30 | \r | |
31 | **/\r | |
e1f414b6 | 32 | UINT32\r |
33 | EFIAPI\r | |
34 | InternalMathModU64x32 (\r | |
35 | IN UINT64 Dividend,\r | |
36 | IN UINT32 Divisor\r | |
37 | )\r | |
38 | {\r | |
39 | _asm {\r | |
40 | mov eax, dword ptr [Dividend + 4]\r | |
41 | mov ecx, Divisor\r | |
42 | xor edx, edx\r | |
43 | div ecx\r | |
44 | mov eax, dword ptr [Dividend + 0]\r | |
45 | div ecx\r | |
46 | mov eax, edx\r | |
47 | }\r | |
48 | }\r |