git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			100 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*++
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Copyright (c) 2006, Intel Corporation                                                         
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All rights reserved. This program and the accompanying materials                          
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are licensed and made available under the terms and conditions of the BSD License         
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which accompanies this distribution.  The full text of the license may be found at        
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http://opensource.org/licenses/bsd-license.php                                            
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
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Module Name:
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  FwVolAttrib.c
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Abstract:
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  Implements get/set firmware volume attributes
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--*/
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#include <DxeMain.h>
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EFI_STATUS
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EFIAPI
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FvGetVolumeAttributes (
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  IN  EFI_FIRMWARE_VOLUME_PROTOCOL  *This,
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  OUT EFI_FV_ATTRIBUTES             *Attributes
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  )
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/*++
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Routine Description:
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    Retrieves attributes, insures positive polarity of attribute bits, returns
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    resulting attributes in output parameter
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Arguments:
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    This        - Calling context
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    Attributes  - output buffer which contains attributes
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Returns:
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    EFI_SUCCESS         - Successfully got volume attributes
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--*/
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{
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  EFI_STATUS                                Status;
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  FV_DEVICE                                 *FvDevice;
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  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL        *Fvb;
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  EFI_FVB_ATTRIBUTES                        FvbAttributes;
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  FvDevice = FV_DEVICE_FROM_THIS (This);
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  Fvb = FvDevice->Fvb;
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  if (FvDevice->CachedFv == NULL) {
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    Status = FvCheck (FvDevice);
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    if (EFI_ERROR (Status)) {
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      return Status;
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    }
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  }
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  //
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  // First get the Firmware Volume Block Attributes
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  //
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  Status = Fvb->GetVolumeAttributes (Fvb, &FvbAttributes);
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  //
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  // Mask out Fvb bits that are not defined in FV 
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  //
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  FvbAttributes &= 0xfffff0ff;
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  *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes; 
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  return Status;
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}
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EFI_STATUS
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EFIAPI
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FvSetVolumeAttributes (
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  IN EFI_FIRMWARE_VOLUME_PROTOCOL   *This,
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  IN OUT EFI_FV_ATTRIBUTES          *Attributes
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  )
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/*++
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Routine Description:
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    Sets current attributes for volume
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Arguments:
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    This       - Calling context
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    Attributes - At input, contains attributes to be set.  At output contains
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      new value of FV
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Returns:
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    EFI_UNSUPPORTED   - Could not be set.
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--*/
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{
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  return EFI_UNSUPPORTED;
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}
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