projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| c1ea912c | 1 | ;/*++\r |
| 2 | ;\r | |
| 4ea9375a HT |
3 | ;Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r |
| 4 | ;This program and the accompanying materials \r | |
| c1ea912c | 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 | ;Module Name:\r | |
| 13 | ;\r | |
| 14 | ;EfiSetMemRep4.c\r | |
| 15 | ;\r | |
| 16 | ;Abstract:\r | |
| 17 | ;\r | |
| 18 | ;This is the code that uses rep stosd SetMem service\r | |
| 19 | ;\r | |
| 20 | ;--*/\r | |
| 21 | ;\r | |
| 22 | ;---------------------------------------------------------------------------\r | |
| 23 | .686\r | |
| 24 | .model flat,C\r | |
| 25 | .code\r | |
| 26 | \r | |
| 27 | ;---------------------------------------------------------------------------\r | |
| 28 | ;#include "Tiano.h"\r | |
| 29 | ;\r | |
| 30 | ;VOID\r | |
| 31 | ;EfiCommonLibSetMem (\r | |
| 32 | ;IN VOID *Buffer,\r | |
| 33 | ;IN UINTN Count,\r | |
| 34 | ;IN UINT8 Value\r | |
| 35 | ;)\r | |
| 36 | ;/*++\r | |
| 37 | ;\r | |
| 38 | ;Input: VOID *Buffer - Pointer to buffer to write\r | |
| 39 | ;UINTN Count - Number of bytes to write\r | |
| 40 | ;UINT8 Value - Value to write\r | |
| 41 | ;\r | |
| 42 | ;Output: None.\r | |
| 43 | ;\r | |
| 44 | ;Saves:\r | |
| 45 | ;\r | |
| 46 | ;Modifies:\r | |
| 47 | ;\r | |
| 48 | ;Description: This function uses rep stosd to set memory.\r | |
| 49 | ;\r | |
| 50 | ;--*/\r | |
| 51 | EfiCommonLibSetMem PROC\r | |
| 52 | push ebp\r | |
| 53 | mov ebp,esp\r | |
| 54 | push edi\r | |
| 55 | mov ecx,dword ptr [ebp+0Ch]\r | |
| 56 | test ecx, ecx\r | |
| 57 | je Exit\r | |
| 58 | mov al,byte ptr [ebp+10h]\r | |
| 59 | mov ah, al\r | |
| 60 | shrd edx, eax, 16\r | |
| 61 | shld eax, edx, 16\r | |
| 62 | mov edx, ecx\r | |
| 63 | mov edi,dword ptr [ebp+8]\r | |
| 64 | shr ecx, 2\r | |
| 65 | rep stosd\r | |
| 66 | mov ecx, edx\r | |
| 67 | and ecx, 3\r | |
| 68 | rep stosb\r | |
| 69 | Exit:\r | |
| 70 | pop edi\r | |
| 71 | pop ebp\r | |
| 72 | ret\r | |
| 73 | \r | |
| 74 | EfiCommonLibSetMem ENDP\r | |
| 75 | END\r |