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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:51:57 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:49:02 +0800
commitcb1ff3808cc579ef9dda9816f96e4d31107a9ad6 (patch)
treeb3c55127f30f579045768841ead01fe99759ac0b /MdePkg/Library/BaseLib
parent38cb6b2b0870aa328de9cfb480996a9a06c82d10 (diff)
downloadedk2-platforms-cb1ff3808cc579ef9dda9816f96e4d31107a9ad6.tar.xz
MdePkg BaseLib: Convert Ia32/ReadDr5.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/ReadDr5.asm to Ia32/ReadDr5.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseLib')
-rw-r--r--MdePkg/Library/BaseLib/BaseLib.inf1
-rw-r--r--MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm44
2 files changed, 45 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 937dd17ee6..f57b6cd88f 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -271,6 +271,7 @@
Ia32/ReadDr7.asm | INTEL
Ia32/ReadDr6.nasm| INTEL
Ia32/ReadDr6.asm | INTEL
+ Ia32/ReadDr5.nasm| INTEL
Ia32/ReadDr5.asm | INTEL
Ia32/ReadDr4.asm | INTEL
Ia32/ReadDr3.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm b/MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm
new file mode 100644
index 0000000000..ab49881a53
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm
@@ -0,0 +1,44 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr5 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmReadDr5)
+ASM_PFX(AsmReadDr5):
+ ;
+ ; DR5 is alias to DR7 only if DE (in CR4) is cleared. Otherwise, reading
+ ; 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 0xf, 0x21, 0xe8
+ ret
+