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Diffstat (limited to 'EmulatorPkg/CpuRuntimeDxe/CpuIo.c')
-rw-r--r--EmulatorPkg/CpuRuntimeDxe/CpuIo.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/EmulatorPkg/CpuRuntimeDxe/CpuIo.c b/EmulatorPkg/CpuRuntimeDxe/CpuIo.c
index 3d4309d422..37905f892a 100644
--- a/EmulatorPkg/CpuRuntimeDxe/CpuIo.c
+++ b/EmulatorPkg/CpuRuntimeDxe/CpuIo.c
@@ -6,7 +6,7 @@
Bridge I/O Protocol.
-Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2011, Apple Inc. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -315,7 +315,7 @@ CpuIoCheckAddressRange (
}
Width = Width & 0x03;
- if (Address - 1 + (1 << Width) * Count > Limit) {
+ if ((Address - 1 + LShiftU64 (Count, Width)) > Limit) {
return EFI_UNSUPPORTED;
}