projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f55c700 | 1 | /** @file\r |
| 2 | ACPI Table Protocol Driver\r | |
| 3 | \r | |
| e5eed7d3 HT |
4 | Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
| 5 | This program and the accompanying materials\r | |
| 5f55c700 | 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 | |
| 15 | //\r | |
| 16 | // Includes\r | |
| 17 | //\r | |
| 18 | #include "AcpiTable.h"\r | |
| 19 | \r | |
| 20 | //\r | |
| 21 | // Handle to install ACPI Table Protocol\r | |
| 22 | //\r | |
| 23 | EFI_HANDLE mHandle = NULL;\r | |
| 24 | \r | |
| 25 | /**\r | |
| 26 | Entry point of the ACPI table driver.\r | |
| 27 | Creates and initializes an instance of the ACPI Table\r | |
| 28 | Protocol and installs it on a new handle.\r | |
| 29 | \r | |
| 30 | @param ImageHandle A handle for the image that is initializing this driver.\r | |
| 31 | @param SystemTable A pointer to the EFI system table.\r | |
| 32 | \r | |
| 33 | @return EFI_SUCCESS Driver initialized successfully.\r | |
| 34 | @return EFI_LOAD_ERROR Failed to Initialize or has been loaded.\r | |
| 35 | @return EFI_OUT_OF_RESOURCES Could not allocate needed resources.\r | |
| 36 | \r | |
| 37 | **/\r | |
| 38 | EFI_STATUS\r | |
| 39 | EFIAPI\r | |
| 40 | InitializeAcpiTableDxe (\r | |
| 41 | IN EFI_HANDLE ImageHandle,\r | |
| 42 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
| 43 | )\r | |
| 44 | {\r | |
| 45 | EFI_STATUS Status;\r | |
| 46 | EFI_ACPI_TABLE_INSTANCE *PrivateData;\r | |
| 47 | \r | |
| 48 | //\r | |
| 49 | // Initialize our protocol\r | |
| 50 | //\r | |
| 51 | PrivateData = AllocateZeroPool (sizeof (EFI_ACPI_TABLE_INSTANCE));\r | |
| 52 | ASSERT (PrivateData);\r | |
| 53 | PrivateData->Signature = EFI_ACPI_TABLE_SIGNATURE;\r | |
| 54 | \r | |
| 55 | //\r | |
| 56 | // Call all constructors per produced protocols\r | |
| 57 | //\r | |
| 58 | Status = AcpiTableAcpiTableConstructor (PrivateData);\r | |
| 59 | if (EFI_ERROR (Status)) {\r | |
| 60 | gBS->FreePool (PrivateData);\r | |
| 61 | return EFI_LOAD_ERROR;\r | |
| 62 | }\r | |
| 63 | \r | |
| 64 | //\r | |
| 65 | // Install ACPI Table protocol\r | |
| 66 | //\r | |
| 67 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
| 68 | &mHandle,\r | |
| 69 | &gEfiAcpiTableProtocolGuid,\r | |
| 70 | &PrivateData->AcpiTableProtocol,\r | |
| 71 | NULL\r | |
| 72 | );\r | |
| 73 | ASSERT_EFI_ERROR (Status);\r | |
| 74 | \r | |
| 75 | return Status;\r | |
| 76 | }\r | |
| 77 | \r |