projects / mirror_edk2.git / blame
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|---|---|---|
| 3cbfba02 DW |
1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | \r\r | |
| 5 | This program and the accompanying materials are licensed and made available under\r\r | |
| 6 | the terms and conditions of the BSD License that accompanies this distribution. \r\r | |
| 7 | The full text of the license may be found at \r\r | |
| 8 | http://opensource.org/licenses/bsd-license.php. \r\r | |
| 9 | \r\r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r | |
| 12 | \r\r | |
| 13 | \r | |
| 14 | Module Name:\r | |
| 15 | \r | |
| 16 | \r | |
| 17 | IdccInfo.c\r | |
| 18 | \r | |
| 19 | Abstract:\r | |
| 20 | \r | |
| 21 | Platform information used by IDCC.\r | |
| 22 | \r | |
| 23 | Revision History\r | |
| 24 | \r | |
| 25 | --*/\r | |
| 26 | \r | |
| 27 | #include "PlatformDxe.h"\r | |
| 28 | \r | |
| 29 | #include <Guid/IdccData.h>\r | |
| 30 | \r | |
| 31 | extern EFI_GUID mPlatformDriverGuid;\r | |
| 32 | \r | |
| 33 | \r | |
| 34 | EFI_STATUS\r | |
| 35 | WriteIdccInfo (\r | |
| 36 | )\r | |
| 37 | {\r | |
| 38 | EFI_STATUS Status;\r | |
| 39 | EFI_DATA_HUB_PROTOCOL *DataHub;\r | |
| 40 | UINT8 Ratio;\r | |
| 41 | EFI_IDCC_PROCESSOR_RATIO ProcRatio;\r | |
| 42 | \r | |
| 43 | //\r | |
| 44 | // Locate the data hub protocol\r | |
| 45 | //\r | |
| 46 | Status = gBS->LocateProtocol (\r | |
| 47 | &gEfiDataHubProtocolGuid,\r | |
| 48 | NULL,\r | |
| 49 | (VOID **) &DataHub\r | |
| 50 | );\r | |
| 51 | \r | |
| 52 | //\r | |
| 53 | // Find processor actual ratio\r | |
| 54 | //\r | |
| 55 | Ratio = 15; //Temporary - some dummy value.\r | |
| 56 | \r | |
| 57 | //\r | |
| 58 | // Fill in IDCC Type 5 structure\r | |
| 59 | //\r | |
| 60 | ProcRatio.IdccHeader.Type = EFI_IDCC_PROC_RATIO_TYPE;\r | |
| 61 | ProcRatio.IdccHeader.RecordLength = sizeof(EFI_IDCC_PROCESSOR_RATIO);\r | |
| 62 | ProcRatio.ProcessorRatio = Ratio;\r | |
| 63 | \r | |
| 64 | //\r | |
| 65 | // Write data to the data hub\r | |
| 66 | //\r | |
| 67 | Status = DataHub->LogData (\r | |
| 68 | DataHub,\r | |
| 69 | &gIdccDataHubGuid,\r | |
| 70 | &mPlatformDriverGuid,\r | |
| 71 | EFI_DATA_RECORD_CLASS_DATA,\r | |
| 72 | &ProcRatio,\r | |
| 73 | sizeof(EFI_IDCC_PROCESSOR_RATIO)\r | |
| 74 | );\r | |
| 75 | \r | |
| 76 | return Status;\r | |
| 77 | }\r |