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path: root/MdePkg/Library/PeiPciSegmentLibPciCfg2
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Diffstat (limited to 'MdePkg/Library/PeiPciSegmentLibPciCfg2')
-rw-r--r--MdePkg/Library/PeiPciSegmentLibPciCfg2/PciSegmentLib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdePkg/Library/PeiPciSegmentLibPciCfg2/PciSegmentLib.c b/MdePkg/Library/PeiPciSegmentLibPciCfg2/PciSegmentLib.c
index 7d59b0a380..6c327e2eb9 100644
--- a/MdePkg/Library/PeiPciSegmentLibPciCfg2/PciSegmentLib.c
+++ b/MdePkg/Library/PeiPciSegmentLibPciCfg2/PciSegmentLib.c
@@ -42,7 +42,7 @@
**/
#define PCI_TO_PCICFG2_ADDRESS(A) \
- ((((A) << 4) & 0xff000000) | (((A) >> 4) & 0x00000700) | (((A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))
+ ((((UINT32)(A) << 4) & 0xff000000) | (((UINT32)(A) >> 4) & 0x00000700) | (((UINT32)(A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))
/**
Gets PCI CFG2 PPI.