diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/ReadDr4.S')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/ReadDr4.S | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/ReadDr4.S b/MdePkg/Library/BaseLib/X64/ReadDr4.S new file mode 100644 index 0000000000..f98c9ed35d --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/ReadDr4.S @@ -0,0 +1,37 @@ +#------------------------------------------------------------------------------ +# +# 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: +# +# ReadDr4.S +# +# Abstract: +# +# AsmReadDr4 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# UINTN +# EFIAPI +# AsmReadDr4 ( +# VOID +# ); +#------------------------------------------------------------------------------ +.global _AsmReadDr4; +.align 16; +_AsmReadDr4: + #DB 0fh, 21h, 0e0h + mov %dr4, %rax + ret |