diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-12-01 06:08:25 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-12-01 06:08:25 +0000 |
| commit | 36de860619c2c3e8bc9f974d1296eb81411049f1 (patch) | |
| tree | 2fc754a895835404bcf72ec24b24af99fc0ada1f /UefiCpuPkg | |
| parent | 209e6e3174d5889640c2e906f343799fd067cd55 (diff) | |
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
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c index fd4b2e852..802342caa 100644 --- a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c +++ b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c @@ -1,7 +1,7 @@ /** @file
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
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
@@ -175,8 +175,9 @@ CpuIoCheckParameter ( //
// 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;
}
|