projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 4b79797e | 1 | ;/*++\r |
| 2 | ;\r | |
| 4ea9375a HT |
3 | ;Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>\r |
| 4 | ;This program and the accompanying materials \r | |
| 4b79797e | 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 | ;CpuFlushCache.c\r | |
| 15 | ;\r | |
| 16 | ;Abstract:\r | |
| 17 | ;\r | |
| 18 | ;Cpu Flush Cache Function.\r | |
| 19 | ;\r | |
| 20 | ;--*/\r | |
| 21 | ;---------------------------------------------------------------------------\r | |
| 22 | .586p\r | |
| 23 | .model flat,C\r | |
| 24 | .code\r | |
| 25 | \r | |
| 26 | ;---------------------------------------------------------------------------\r | |
| 27 | ;\r | |
| 28 | ;//\r | |
| 29 | ;// Cache Flush Routine.\r | |
| 30 | ;//\r | |
| 31 | ;EFI_STATUS\r | |
| 32 | ;EfiCpuFlushCache (\r | |
| 33 | ;IN EFI_PHYSICAL_ADDRESS Start,\r | |
| 34 | ; IN UINT64 Length\r | |
| 35 | ;)\r | |
| 36 | ;/*++\r | |
| 37 | ;\r | |
| 38 | ;Routine Description:\r | |
| 39 | ;\r | |
| 40 | ;Flush cache with specified range.\r | |
| 41 | ;\r | |
| 42 | ;Arguments:\r | |
| 43 | ;\r | |
| 44 | ;Start - Start address\r | |
| 45 | ; Length - Length in bytes\r | |
| 46 | ;\r | |
| 47 | ;Returns:\r | |
| 48 | ;\r | |
| 49 | ;Status code\r | |
| 50 | ; \r | |
| 51 | ;EFI_SUCCESS - success\r | |
| 52 | ;\r | |
| 53 | ;--*/\r | |
| 54 | EfiCpuFlushCache PROC\r | |
| 55 | wbinvd\r | |
| 56 | xor eax, eax\r | |
| 57 | ret\r | |
| 58 | EfiCpuFlushCache ENDP\r | |
| 59 | \r | |
| 60 | END\r | |
| 61 | \r | |
| 62 |