diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 45a6f317b7..9fe9df2e9c 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -549,6 +549,7 @@ X64/WriteDr2.asm | MSFT X64/WriteDr1.nasm| MSFT X64/WriteDr1.asm | MSFT + X64/WriteDr0.nasm| MSFT X64/WriteDr0.asm | MSFT X64/ReadDr7.asm | MSFT X64/ReadDr6.asm | MSFT @@ -673,6 +674,7 @@ X64/WriteDr2.asm | INTEL X64/WriteDr1.nasm| INTEL X64/WriteDr1.asm | INTEL + X64/WriteDr0.nasm| INTEL X64/WriteDr0.asm | INTEL X64/ReadDr7.asm | INTEL X64/ReadDr6.asm | INTEL diff --git a/MdePkg/Library/BaseLib/X64/WriteDr0.nasm b/MdePkg/Library/BaseLib/X64/WriteDr0.nasm new file mode 100644 index 0000000000..eae4bf3e21 --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/WriteDr0.nasm @@ -0,0 +1,39 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.
+; This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php. +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; WriteDr0.Asm +; +; Abstract: +; +; AsmWriteDr0 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; UINTN +; EFIAPI +; AsmWriteDr0 ( +; IN UINTN Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(AsmWriteDr0) +ASM_PFX(AsmWriteDr0): + mov dr0, rcx + mov rax, rcx + ret +