projects / mirror_edk2.git / blame
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|---|---|---|
| 2ef2b01e A |
1 | /** @file\r |
| 2 | Simple PC Port 0x92 reset driver\r | |
| 3 | \r | |
| 4 | Copyright (c) 2007, Intel Corporation<BR>\r | |
| 5 | Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.\r | |
| 6 | \r | |
| 7 | All rights reserved. This program and the accompanying materials\r | |
| 8 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 9 | which accompanies this distribution. The full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php\r | |
| 11 | \r | |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | \r | |
| 15 | \r | |
| 16 | **/\r | |
| 17 | \r | |
| 18 | \r | |
| 19 | \r | |
| 20 | VOID\r | |
| 21 | LibResetInitializeReset (\r | |
| 22 | VOID\r | |
| 23 | )\r | |
| 24 | {\r | |
| 25 | }\r | |
| 26 | \r | |
| 27 | VOID\r | |
| 28 | LibResetVirtualAddressChangeEvent (\r | |
| 29 | VOID\r | |
| 30 | )\r | |
| 31 | {\r | |
| 32 | }\r | |
| 33 | \r | |
| 34 | \r | |
| 35 | VOID\r | |
| 36 | LibResetSystem (\r | |
| 37 | IN EFI_RESET_TYPE ResetType,\r | |
| 38 | IN EFI_STATUS ResetStatus,\r | |
| 39 | IN UINTN DataSize,\r | |
| 40 | IN CHAR16 *ResetData OPTIONAL\r | |
| 41 | )\r | |
| 42 | {\r | |
| 43 | UINT8 Data;\r | |
| 44 | \r | |
| 45 | switch (ResetType) {\r | |
| 46 | case EfiResetWarm:\r | |
| 47 | case EfiResetCold:\r | |
| 48 | case EfiResetShutdown:\r | |
| 49 | Data = IoRead8 (0x92);\r | |
| 50 | Data |= 1;\r | |
| 51 | IoWrite8 (0x92, Data);\r | |
| 52 | break;\r | |
| 53 | \r | |
| 54 | default:\r | |
| 55 | return ;\r | |
| 56 | }\r | |
| 57 | \r | |
| 58 | //\r | |
| 59 | // Given we should have reset getting here would be bad\r | |
| 60 | //\r | |
| 61 | ASSERT (FALSE);\r | |
| 62 | }\r | |
| 63 | \r |