projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| e1f414b6 | 1 | /** @file\r |
| 2 | IA-32/x64 GetInterruptState()\r | |
| 3 | \r | |
| bb817c56 HT |
4 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r |
| 5 | This program and the accompanying materials\r | |
| e1f414b6 | 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 | |
| e1f414b6 | 13 | **/\r |
| 14 | \r | |
| 1efcc4ae | 15 | \r |
| 47fc17d8 | 16 | #include "BaseLibInternals.h"\r |
| f734a10a | 17 | \r |
| e1f414b6 | 18 | \r |
| 19 | /**\r | |
| 20 | Retrieves the current CPU interrupt state.\r | |
| 21 | \r | |
| 9aa049d9 | 22 | Returns TRUE is interrupts are currently enabled. Otherwise\r |
| 23 | returns FALSE.\r | |
| e1f414b6 | 24 | \r |
| 25 | @retval TRUE CPU interrupts are enabled.\r | |
| 26 | @retval FALSE CPU interrupts are disabled.\r | |
| 27 | \r | |
| 28 | **/\r | |
| 29 | BOOLEAN\r | |
| 30 | EFIAPI\r | |
| 31 | GetInterruptState (\r | |
| 32 | VOID\r | |
| 33 | )\r | |
| 34 | {\r | |
| 35 | IA32_EFLAGS32 EFlags;\r | |
| 36 | \r | |
| 37 | EFlags.UintN = AsmReadEflags ();\r | |
| 38bbd3d9 | 38 | return (BOOLEAN)(1 == EFlags.Bits.IF);\r |
| e1f414b6 | 39 | }\r |
| 40 | \r | |
| 41 | \r |