diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/WriteDr4.asm')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/WriteDr4.asm | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteDr4.asm b/MdePkg/Library/BaseLib/Ia32/WriteDr4.asm deleted file mode 100644 index 9c10305b4d..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/WriteDr4.asm +++ /dev/null @@ -1,48 +0,0 @@ -;------------------------------------------------------------------------------
-;
-; 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:
-;
-; WriteDr4.Asm
-;
-; Abstract:
-;
-; AsmWriteDr4 function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
- .586p
- .model flat,C
- .code
-
-;------------------------------------------------------------------------------
-; UINTN
-; EFIAPI
-; AsmWriteDr4 (
-; IN UINTN Value
-; );
-;------------------------------------------------------------------------------
-AsmWriteDr4 PROC
- mov eax, [esp + 4]
- ;
- ; DR4 is alias to DR6 only if DE (in CR4) is cleared. Otherwise, writing to
- ; this register will cause a #UD exception.
- ;
- ; MS assembler doesn't support this instruction since no one would use it
- ; under normal circustances. Here opcode is used.
- ;
- DB 0fh, 23h, 0e0h
- ret
-AsmWriteDr4 ENDP
-
- END
|