+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
- WinNtAutoscan.c\r
-\r
-Abstract:\r
- This PEIM to abstract memory auto-scan in a Windows NT environment.\r
-\r
-Revision History\r
-\r
---*/\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-PeimInitializeWinNtAutoScan (\r
- IN EFI_FFS_FILE_HEADER *FfsHeader,\r
- IN EFI_PEI_SERVICES **PeiServices\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Perform a call-back into the SEC simulator to get a memory value\r
-\r
-Arguments:\r
- FfsHeader - General purpose data available to every PEIM\r
- PeiServices - General purpose services available to every PEIM.\r
- \r
-Returns:\r
- None\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r
- PEI_NT_AUTOSCAN_PPI *PeiNtService;\r
- UINT64 MemorySize;\r
- EFI_PHYSICAL_ADDRESS MemoryBase;\r
- PEI_BASE_MEMORY_TEST_PPI *MemoryTestPpi;\r
- EFI_PHYSICAL_ADDRESS ErrorAddress;\r
- UINTN Index;\r
- EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r
-\r
-\r
- DEBUG ((EFI_D_ERROR, "NT 32 Autoscan PEIM Loaded\n"));\r
-\r
- //\r
- // Get the PEI NT Autoscan PPI\r
- //\r
- Status = (**PeiServices).LocatePpi (\r
- PeiServices,\r
- &gPeiNtAutoScanPpiGuid, // GUID\r
- 0, // INSTANCE\r
- &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r
- &PeiNtService // PPI\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Get the Memory Test PPI\r
- //\r
- Status = (**PeiServices).LocatePpi (\r
- PeiServices,\r
- &gPeiBaseMemoryTestPpiGuid,\r
- 0,\r
- NULL,\r
- &MemoryTestPpi\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Index = 0;\r
- do {\r
- Status = PeiNtService->NtAutoScan (Index, &MemoryBase, &MemorySize);\r
- if (!EFI_ERROR (Status)) {\r
- Attributes =\r
- (\r
- EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r
- );\r
-\r
- if (Index == 0) {\r
- //\r
- // For the first area register it as PEI tested memory\r
- //\r
- Status = MemoryTestPpi->BaseMemoryTest (\r
- PeiServices,\r
- MemoryTestPpi,\r
- MemoryBase,\r
- MemorySize,\r
- Quick,\r
- &ErrorAddress\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Register the "tested" memory with the PEI Core\r
- //\r
- Status = (**PeiServices).InstallPeiMemory (PeiServices, MemoryBase, MemorySize);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r
- }\r
- \r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- Attributes,\r
- MemoryBase,\r
- MemorySize\r
- );\r
- }\r
- Index++;\r
- } while (!EFI_ERROR (Status));\r
-\r
- //\r
- // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r
- //\r
- BuildCpuHob (36, 16);\r
- \r
- return Status;\r
-}\r