1 files changed, 16 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/Monitor.c b/MdePkg/Library/BaseLib/Ia32/Monitor.c
index 469aa6d..68da9c6 100644
--- a/MdePkg/Library/BaseLib/Ia32/Monitor.c
+++ b/MdePkg/Library/BaseLib/Ia32/Monitor.c
@@ -17,6 +17,22 @@
 //
 
 
+/**
+  Sets up a monitor buffer that is used by AsmMwait().
+
+  Executes a MONITOR instruction with the register state specified by Eax, Ecx
+  and Edx. Returns Eax. This function is only available on IA-32 and X64.
+
+  @param  Eax The value to load into EAX or RAX before executing the MONITOR
+              instruction.
+  @param  Ecx The value to load into ECX or RCX before executing the MONITOR
+              instruction.
+  @param  Edx The value to load into EDX or RDX before executing the MONITOR
+              instruction.
+
+  @return Eax
+
+**/
 UINTN
 EFIAPI
 AsmMonitor (