1 files changed, 91 insertions, 0 deletions
diff --git a/UnixPkg/UnixFlashMapPei/FlashMap.c b/UnixPkg/UnixFlashMapPei/FlashMap.c
new file mode 100644
index 0000000000..9e96ac2425
--- /dev/null
+++ b/UnixPkg/UnixFlashMapPei/FlashMap.c
@@ -0,0 +1,91 @@
+/*++
+
+Copyright (c) 2006 - 2008, Intel Corporation                                                         
+All rights reserved. This program and the accompanying materials                          
+are licensed and made available under the terms and conditions of the BSD License         
+which accompanies this distribution.  The full text of the license may be found at        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+Module Name:
+
+  FlashMap.c
+   
+Abstract:
+
+  PEIM to build GUIDed HOBs for platform specific flash map
+
+--*/
+
+
+#include "PiPei.h"
+
+#include <Guid/SystemNvDataGuid.h>
+#include <Guid/FirmwareFileSystem.h>
+#include <Ppi/UnixFwh.h>
+#include <Protocol/FirmwareVolumeBlock.h>
+
+#include <Library/DebugLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/HobLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PcdLib.h>
+
+EFI_STATUS
+EFIAPI
+PeimInitializeFlashMap (
+  IN EFI_FFS_FILE_HEADER       *FfsHeader,
+  IN EFI_PEI_SERVICES          **PeiServices
+  )
+/*++
+
+Routine Description:
+  Build GUIDed HOBs for platform specific flash map
+  
+Arguments:
+  FfsHeader   - A pointer to the EFI_FFS_FILE_HEADER structure.
+  PeiServices - General purpose services available to every PEIM.
+    
+Returns:
+  EFI_STATUS
+
+--*/
+// TODO:    EFI_SUCCESS - add return value to function comment
+{
+  EFI_STATUS              Status;
+  UNIX_FWH_PPI           *UnixFwhPpi;
+  EFI_PEI_PPI_DESCRIPTOR  *PpiDescriptor;
+  EFI_PHYSICAL_ADDRESS    FdBase;
+  UINT64                  FdSize;
+
+  DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n"));
+
+  //
+  // Get the Fwh Information PPI
+  //
+  Status = PeiServicesLocatePpi (
+            &gUnixFwhPpiGuid, // GUID
+            0,              // INSTANCE
+            &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
+            (VOID **)&UnixFwhPpi       // PPI
+            );
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Assume that FD0 contains the Flash map.
+  //
+  Status = UnixFwhPpi->UnixFwh (0, &FdBase, &FdSize);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  
+  PcdSet32 (PcdFlashNvStorageVariableBase, PcdGet32 (PcdUnixFlashNvStorageVariableBase) + (UINT32) FdBase);
+  PcdSet32 (PcdFlashNvStorageFtwWorkingBase, PcdGet32 (PcdUnixFlashNvStorageFtwWorkingBase) + (UINT32) FdBase);
+  PcdSet32 (PcdFlashNvStorageFtwSpareBase, PcdGet32 (PcdUnixFlashNvStorageFtwSpareBase) + (UINT32) FdBase);
+
+  return EFI_SUCCESS;
+}