diff options
Diffstat (limited to 'EDK/Foundation/Core/Dxe/FwVol/FwVolAttrib.c')
-rw-r--r-- | EDK/Foundation/Core/Dxe/FwVol/FwVolAttrib.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/EDK/Foundation/Core/Dxe/FwVol/FwVolAttrib.c b/EDK/Foundation/Core/Dxe/FwVol/FwVolAttrib.c new file mode 100644 index 0000000..690d919 --- /dev/null +++ b/EDK/Foundation/Core/Dxe/FwVol/FwVolAttrib.c @@ -0,0 +1,99 @@ +/*++ + +Copyright (c) 2004, 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: + + FwVolAttrib.c + +Abstract: + + Implements get/set firmware volume attributes + +--*/ + +#include "FwVolDriver.h" + +EFI_STATUS +EFIAPI +FvGetVolumeAttributes ( + IN EFI_FIRMWARE_VOLUME_PROTOCOL *This, + OUT EFI_FV_ATTRIBUTES *Attributes + ) +/*++ + +Routine Description: + Retrieves attributes, insures positive polarity of attribute bits, returns + resulting attributes in output parameter + +Arguments: + This - Calling context + Attributes - output buffer which contains attributes + +Returns: + EFI_SUCCESS - Successfully got volume attributes + +--*/ +{ + EFI_STATUS Status; + FV_DEVICE *FvDevice; + EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb; + EFI_FVB_ATTRIBUTES FvbAttributes; + + FvDevice = FV_DEVICE_FROM_THIS (This); + Fvb = FvDevice->Fvb; + + if (FvDevice->CachedFv == NULL) { + Status = FvCheck (FvDevice); + if (EFI_ERROR (Status)) { + return Status; + } + } + + // + // First get the Firmware Volume Block Attributes + // + Status = Fvb->GetVolumeAttributes (Fvb, &FvbAttributes); + + // + // Mask out Fvb bits that are not defined in FV + // + FvbAttributes &= 0xfffff0ff; + + *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes; + + return Status; +} + + +EFI_STATUS +EFIAPI +FvSetVolumeAttributes ( + IN EFI_FIRMWARE_VOLUME_PROTOCOL *This, + IN OUT EFI_FV_ATTRIBUTES *Attributes + ) +/*++ + +Routine Description: + Sets current attributes for volume + +Arguments: + This - Calling context + Attributes - At input, contains attributes to be set. At output contains + new value of FV + +Returns: + EFI_UNSUPPORTED - Could not be set. + +--*/ +{ + return EFI_UNSUPPORTED; +} + |