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MdeModulePkg: Add the alignment check for FTW spare area address and length, and add the check for PcdFlashNvStorageVariableSize <= PcdFlashNvStorageFtwSpareSize.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14463 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2013-07-11 08:15:47 +00:00
committed by lzeng14
parent 0dda774c86
commit 2c4b18e095
7 changed files with 35 additions and 6 deletions
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18
MdeModulePkg/Universal/FaultTolerantWriteDxe/FtwMisc.c
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@ -1111,6 +1111,20 @@ FindFvbForFtw (
ASSERT (FALSE);
return EFI_ABORTED;
}
//
// Check the alignment of spare area address and length, they should be block size aligned
//
if (((FtwDevice->SpareAreaAddress & (FtwDevice->BlockSize - 1)) != 0) ||
((FtwDevice->SpareAreaLength & (FtwDevice->BlockSize - 1)) != 0)) {
DEBUG ((EFI_D_ERROR, "Ftw: Spare area address or length is not block size aligned\n"));
FreePool (HandleBuffer);
//
// Report Status Code EFI_SW_EC_ABORTED.
//
REPORT_STATUS_CODE ( (EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED), (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_EC_ABORTED));
ASSERT (FALSE);
CpuDeadLoop ();
}
break;
}
}
@ -1118,12 +1132,12 @@ FindFvbForFtw (
}
}
FreePool (HandleBuffer);
if ((FtwDevice->FtwBackupFvb == NULL) || (FtwDevice->FtwFvBlock == NULL) ||
(FtwDevice->FtwWorkSpaceLba == (EFI_LBA) (-1)) || (FtwDevice->FtwSpareLba == (EFI_LBA) (-1))) {
return EFI_ABORTED;
}
return EFI_SUCCESS;
}