| 1 | /*++\r |
| 2 | \r |
| 3 | Copyright (c) 2006, Intel Corporation \r |
| 4 | All rights reserved. This program and the accompanying materials \r |
| 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 | WinNtAutoscan.c\r |
| 14 | \r |
| 15 | Abstract:\r |
| 16 | This PEIM to abstract memory auto-scan in a Windows NT environment.\r |
| 17 | \r |
| 18 | Revision History\r |
| 19 | \r |
| 20 | --*/\r |
| 21 | \r |
| 22 | EFI_STATUS\r |
| 23 | EFIAPI\r |
| 24 | PeimInitializeWinNtAutoScan (\r |
| 25 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r |
| 26 | IN EFI_PEI_SERVICES **PeiServices\r |
| 27 | )\r |
| 28 | /*++\r |
| 29 | \r |
| 30 | Routine Description:\r |
| 31 | Perform a call-back into the SEC simulator to get a memory value\r |
| 32 | \r |
| 33 | Arguments:\r |
| 34 | FfsHeader - General purpose data available to every PEIM\r |
| 35 | PeiServices - General purpose services available to every PEIM.\r |
| 36 | \r |
| 37 | Returns:\r |
| 38 | None\r |
| 39 | \r |
| 40 | --*/\r |
| 41 | {\r |
| 42 | EFI_STATUS Status;\r |
| 43 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r |
| 44 | PEI_NT_AUTOSCAN_PPI *PeiNtService;\r |
| 45 | UINT64 MemorySize;\r |
| 46 | EFI_PHYSICAL_ADDRESS MemoryBase;\r |
| 47 | PEI_BASE_MEMORY_TEST_PPI *MemoryTestPpi;\r |
| 48 | EFI_PHYSICAL_ADDRESS ErrorAddress;\r |
| 49 | UINTN Index;\r |
| 50 | EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r |
| 51 | \r |
| 52 | \r |
| 53 | DEBUG ((EFI_D_ERROR, "NT 32 Autoscan PEIM Loaded\n"));\r |
| 54 | \r |
| 55 | //\r |
| 56 | // Get the PEI NT Autoscan PPI\r |
| 57 | //\r |
| 58 | Status = (**PeiServices).LocatePpi (\r |
| 59 | PeiServices,\r |
| 60 | &gPeiNtAutoScanPpiGuid, // GUID\r |
| 61 | 0, // INSTANCE\r |
| 62 | &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r |
| 63 | &PeiNtService // PPI\r |
| 64 | );\r |
| 65 | ASSERT_EFI_ERROR (Status);\r |
| 66 | \r |
| 67 | //\r |
| 68 | // Get the Memory Test PPI\r |
| 69 | //\r |
| 70 | Status = (**PeiServices).LocatePpi (\r |
| 71 | PeiServices,\r |
| 72 | &gPeiBaseMemoryTestPpiGuid,\r |
| 73 | 0,\r |
| 74 | NULL,\r |
| 75 | &MemoryTestPpi\r |
| 76 | );\r |
| 77 | ASSERT_EFI_ERROR (Status);\r |
| 78 | \r |
| 79 | Index = 0;\r |
| 80 | do {\r |
| 81 | Status = PeiNtService->NtAutoScan (Index, &MemoryBase, &MemorySize);\r |
| 82 | if (!EFI_ERROR (Status)) {\r |
| 83 | Attributes =\r |
| 84 | (\r |
| 85 | EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| 86 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| 87 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r |
| 88 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r |
| 89 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r |
| 90 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r |
| 91 | );\r |
| 92 | \r |
| 93 | if (Index == 0) {\r |
| 94 | //\r |
| 95 | // For the first area register it as PEI tested memory\r |
| 96 | //\r |
| 97 | Status = MemoryTestPpi->BaseMemoryTest (\r |
| 98 | PeiServices,\r |
| 99 | MemoryTestPpi,\r |
| 100 | MemoryBase,\r |
| 101 | MemorySize,\r |
| 102 | Quick,\r |
| 103 | &ErrorAddress\r |
| 104 | );\r |
| 105 | ASSERT_EFI_ERROR (Status);\r |
| 106 | \r |
| 107 | //\r |
| 108 | // Register the "tested" memory with the PEI Core\r |
| 109 | //\r |
| 110 | Status = (**PeiServices).InstallPeiMemory (PeiServices, MemoryBase, MemorySize);\r |
| 111 | ASSERT_EFI_ERROR (Status);\r |
| 112 | \r |
| 113 | Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r |
| 114 | }\r |
| 115 | \r |
| 116 | BuildResourceDescriptorHob (\r |
| 117 | EFI_RESOURCE_SYSTEM_MEMORY,\r |
| 118 | Attributes,\r |
| 119 | MemoryBase,\r |
| 120 | MemorySize\r |
| 121 | );\r |
| 122 | }\r |
| 123 | Index++;\r |
| 124 | } while (!EFI_ERROR (Status));\r |
| 125 | \r |
| 126 | //\r |
| 127 | // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r |
| 128 | //\r |
| 129 | BuildCpuHob (36, 16);\r |
| 130 | \r |
| 131 | return Status;\r |
| 132 | }\r |