diff options
Diffstat (limited to 'Core/EM/CSM/thunk/BlockIo/CsmInt13.c')
| -rw-r--r-- | Core/EM/CSM/thunk/BlockIo/CsmInt13.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/Core/EM/CSM/thunk/BlockIo/CsmInt13.c b/Core/EM/CSM/thunk/BlockIo/CsmInt13.c index 8e3195e..962742e 100644 --- a/Core/EM/CSM/thunk/BlockIo/CsmInt13.c +++ b/Core/EM/CSM/thunk/BlockIo/CsmInt13.c @@ -13,16 +13,22 @@ //********************************************************************** //********************************************************************** -// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/INT13/CsmInt13.c 17 12/23/13 3:14p Olegi $ +// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/INT13/CsmInt13.c 18 6/18/15 10:15a Olegi $ // -// $Revision: 17 $ +// $Revision: 18 $ // -// $Date: 12/23/13 3:14p $ +// $Date: 6/18/15 10:15a $ //********************************************************************** // Revision History // ---------------- // $Log: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/INT13/CsmInt13.c $ // +// 18 6/18/15 10:15a Olegi +// [TAG] EIP221923 +// [Category] Bug Fix +// [Symptom] CsmBlockIO issue for 4K Sector size - Do the changes of +// EIP219657 to Aptio4 CSMBlockIo. +// // 17 12/23/13 3:14p Olegi // EIP148138: use AMI_BLOCKIO_WRITE_PROTECTION_PROTOCOL instead of // EFI_MBR_WRITE_PROTECTION_PROTOCOL @@ -205,7 +211,11 @@ InitBlockIo ( } // TRACE((-1," BlockSize = %d LastBlock = %d\n", BlockMedia->BlockSize, BlockMedia->LastBlock)); - + // If the BlockSize is more than 512 bytes per sector, don't install the BlockIO Protocol + // for the device: Int13 function supports only 512 bytes per sector. + if(BlockMedia->BlockSize != 512) { + return FALSE; + } BlockMedia->LogicalPartition = FALSE; BlockMedia->WriteCaching = FALSE; |