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Diffstat (limited to 'MdePkg/Library/BaseLib/X64/WriteCr4.asm')
-rw-r--r--MdePkg/Library/BaseLib/X64/WriteCr4.asm3
1 files changed, 2 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/X64/WriteCr4.asm b/MdePkg/Library/BaseLib/X64/WriteCr4.asm
index 210744e16f..3e79fe23e4 100644
--- a/MdePkg/Library/BaseLib/X64/WriteCr4.asm
+++ b/MdePkg/Library/BaseLib/X64/WriteCr4.asm
@@ -27,11 +27,12 @@
; UINTN
; EFIAPI
; AsmWriteCr4 (
-; VOID
+; UINTN Cr4
; );
;------------------------------------------------------------------------------
AsmWriteCr4 PROC
mov cr4, rcx
+ mov rax, rcx
ret
AsmWriteCr4 ENDP