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Fix the bug in PciBusNoEnumerationDxe driver to correct parse the 64bit BAR. 

Signed-off-by: Ruiyu Ni<ruiyu.ni@intel.com>
Reviewed-by: Rui Sun<rui.sun@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13674 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu 2012-08-23 12:28:42 +00:00
parent c0394e0424
commit ae837d36df
1 changed files with 2 additions and 11 deletions
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13
DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
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@ -1,6 +1,6 @@
/*++ /*++
Copyright (c) 2005 - 2009, Intel Corporation. All rights reserved.<BR> Copyright (c) 2005 - 2012, 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
@ -864,16 +864,12 @@ Returns:
--*/ --*/
{ {
UINT32 Value; UINT32 Value;
//UINT64 BarValue64;
UINT32 OriginalValue; UINT32 OriginalValue;
UINT32 Mask; UINT32 Mask;
UINT32 Data;
UINT8 Index;
EFI_STATUS Status; EFI_STATUS Status;
OriginalValue = 0; OriginalValue = 0;
Value = 0; Value = 0;
//BarValue64 = 0;
Status = BarExisted ( Status = BarExisted (
PciIoDevice, PciIoDevice,
@ -991,12 +987,7 @@ Returns:
// //
// Fix the length to support some spefic 64 bit BAR // Fix the length to support some spefic 64 bit BAR
// //
Data = Value; Value |= ((UINT32)(-1) << HighBitSet32 (Value));
Index = 0;
for (Data = Value; Data != 0; Data >>= 1) {
Index ++;
}
Value |= ((UINT32)(-1) << Index);
// //
// Calculate the size of 64bit bar // Calculate the size of 64bit bar