+++ /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
- UnixFwh.c\r
- \r
-Abstract:\r
- PEIM to abstract construction of firmware volume in an Unix environment.\r
-\r
-Revision History\r
-\r
---*/\r
-\r
-\r
-#include <FlashLayout.h>\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-PeimInitializeUnixFwh (\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 address of the Firmware Hub\r
-\r
-Arguments:\r
- FfsHeader - Ffs Header availible 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
- UNIX_FWH_PPI *FwhPpi;\r
- EFI_PHYSICAL_ADDRESS FdBase;\r
- EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
- UINT64 FdSize;\r
- UINTN Index;\r
-\r
- DEBUG ((EFI_D_ERROR, "Unix Firmware Volume PEIM Loaded\n"));\r
-\r
- //\r
- // Get the Fwh Information PPI\r
- //\r
- Status = (**PeiServices).LocatePpi (\r
- PeiServices,\r
- &gUnixFwhPpiGuid, // GUID\r
- 0, // INSTANCE\r
- &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r
- (VOID **)&FwhPpi // PPI\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Index = 0;\r
- do {\r
- //\r
- // Get information about all the FD's in the system\r
- //\r
- Status = FwhPpi->UnixFwh (Index, &FdBase, &FdSize);\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Assume the FD starts with an FV header\r
- //\r
- FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;\r
-\r
- //\r
- // Make an FV Hob for the first FV in the FD\r
- //\r
- BuildFvHob (FdBase, FvHeader->FvLength);\r
-\r
- if (Index == 0) {\r
- //\r
- // Assume the first FD was produced by the NT32.DSC\r
- // All these strange offests are needed to keep in\r
- // sync with the FlashMap and NT32.dsc file\r
- //\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_FIRMWARE_DEVICE,\r
- (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r
- FdBase,\r
- (FvHeader->FvLength + EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH)\r
- );\r
-\r
- //\r
- // Hard code the address of the spare block and variable services.\r
- // Assume it's a hard coded offset from FV0 in FD0.\r
- //\r
- FdBase = FdBase + EFI_WINNT_RUNTIME_UPDATABLE_OFFSET;\r
- FdSize = EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH;\r
-\r
- BuildFvHob (FdBase, FdSize);\r
- } else {\r
- //\r
- // For other FD's just map them in.\r
- //\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_FIRMWARE_DEVICE,\r
- (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r
- FdBase,\r
- FdSize\r
- );\r
- }\r
- }\r
-\r
- Index++;\r
- } while (!EFI_ERROR (Status));\r
-\r
- return Status;\r
-}\r