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Diffstat (limited to 'MdePkg/Library/BaseLib/X64/WriteDr1.asm')
-rw-r--r--MdePkg/Library/BaseLib/X64/WriteDr1.asm3
1 files changed, 2 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/X64/WriteDr1.asm b/MdePkg/Library/BaseLib/X64/WriteDr1.asm
index 89f36ac3f9..366edb6ef8 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr1.asm
+++ b/MdePkg/Library/BaseLib/X64/WriteDr1.asm
@@ -27,11 +27,12 @@
; UINTN
; EFIAPI
; AsmWriteDr1 (
-; VOID
+; IN UINTN Value
; );
;------------------------------------------------------------------------------
AsmWriteDr1 PROC
mov dr1, rcx
+ mov rax, rcx
ret
AsmWriteDr1 ENDP