diff options
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/ReadDr5.nasm | 42 |
2 files changed, 44 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 97005bb9b0..a224bc7bce 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -555,6 +555,7 @@ X64/ReadDr7.asm | MSFT
X64/ReadDr6.nasm| MSFT
X64/ReadDr6.asm | MSFT
+ X64/ReadDr5.nasm| MSFT
X64/ReadDr5.asm | MSFT
X64/ReadDr4.asm | MSFT
X64/ReadDr3.asm | MSFT
@@ -682,6 +683,7 @@ X64/ReadDr7.asm | INTEL
X64/ReadDr6.nasm| INTEL
X64/ReadDr6.asm | INTEL
+ X64/ReadDr5.nasm| INTEL
X64/ReadDr5.asm | INTEL
X64/ReadDr4.asm | INTEL
X64/ReadDr3.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/X64/ReadDr5.nasm b/MdePkg/Library/BaseLib/X64/ReadDr5.nasm new file mode 100644 index 0000000000..c40490b0da --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/ReadDr5.nasm @@ -0,0 +1,42 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; 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:
+;
+; ReadDr5.Asm
+;
+; Abstract:
+;
+; AsmReadDr5 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr5 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmReadDr5)
+ASM_PFX(AsmReadDr5):
+ ;
+ ; There's no obvious reason to access this register, since it's aliased to
+ ; DR7 when DE=0 or an exception generated when DE=1
+ ;
+ DB 0xf, 0x21, 0xe8
+ ret
+
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