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Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/RShiftU64.c')
-rw-r--r--MdePkg/Library/BaseLib/Ia32/RShiftU64.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/RShiftU64.c b/MdePkg/Library/BaseLib/Ia32/RShiftU64.c
index a6b957b..a4d1db9 100644
--- a/MdePkg/Library/BaseLib/Ia32/RShiftU64.c
+++ b/MdePkg/Library/BaseLib/Ia32/RShiftU64.c
@@ -17,6 +17,19 @@
//
+/**
+ Shifts a 64-bit integer right between 0 and 63 bits. This high bits
+ are filled with zeros. The shifted value is returned.
+
+ This function shifts the 64-bit value Operand to the right by Count bits. The
+ high Count bits are set to zero. The shifted value is returned.
+
+ @param Operand The 64-bit operand to shift right.
+ @param Count The number of bits to shift right.
+
+ @return Operand >> Count
+
+**/
UINT64
EFIAPI
InternalMathRShiftU64 (