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Update the check condition to allows UINT64 and INT64 data types to be 32-bit aligned on IA32 system. 

Signed-off-by: vanjeff
Reviewed-by: mdkinney




git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12808 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2011-12-01 06:08:25 +00:00
parent 209e6e3174
commit 36de860619
1 changed files with 3 additions and 2 deletions
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5
UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
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@ -1,7 +1,7 @@
/** @file /** @file
Produces the CPU I/O 2 Protocol. Produces the CPU I/O 2 Protocol.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR> Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -175,8 +175,9 @@ CpuIoCheckParameter (
// //
// Check to see if Buffer is aligned // Check to see if Buffer is aligned
// (IA-32 allows UINT64 and INT64 data types to be 32-bit aligned.)
// //
if (((UINTN)Buffer & (mInStride[Width] - 1)) != 0) { if (((UINTN)Buffer & ((MIN (sizeof (UINTN), mInStride[Width]) - 1))) != 0) {
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;
} }