diff options
Diffstat (limited to 'MdePkg/Library/BasePciCf8Lib/PciLib.c')
| -rw-r--r-- | MdePkg/Library/BasePciCf8Lib/PciLib.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/MdePkg/Library/BasePciCf8Lib/PciLib.c b/MdePkg/Library/BasePciCf8Lib/PciLib.c index c5880bdeee..0e536ce696 100644 --- a/MdePkg/Library/BasePciCf8Lib/PciLib.c +++ b/MdePkg/Library/BasePciCf8Lib/PciLib.c @@ -53,7 +53,9 @@ **/
#define PCI_TO_CF8_ADDRESS(A) \
- ((UINT32)(((A) >> 4) | ((A) & 0xfc) | 0x80000000))
+ ((UINT32) ((((A) >> 4) & 0xffffff00) | ((A) & 0xfc) | 0x80000000))
+
+
/**
Reads an 8-bit PCI configuration register.
|