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Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/ReadMm1.c')
-rw-r--r--MdePkg/Library/BaseLib/Ia32/ReadMm1.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/ReadMm1.c b/MdePkg/Library/BaseLib/Ia32/ReadMm1.c
index b46a44c..1dde8e1 100644
--- a/MdePkg/Library/BaseLib/Ia32/ReadMm1.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadMm1.c
@@ -17,6 +17,15 @@
//
+/**
+ Reads the current value of 64-bit MMX Register #1 (MM1).
+
+ Reads and returns the current value of MM1. This function is only available
+ on IA-32 and X64.
+
+ @return The current value of MM1.
+
+**/
UINT64
EFIAPI
AsmReadMm1 (