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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:51:54 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:48:37 +0800
commit058ffecb1274bcd1336bcf5ae016e30482d14c42 (patch)
treec9a62045e1edecb579df5a40f8b1a56c2f54a66b
parent201690b177f1d69ab2e286e967c1add27fe773c9 (diff)
downloadedk2-platforms-058ffecb1274bcd1336bcf5ae016e30482d14c42.tar.xz
MdePkg BaseLib: Convert Ia32/WriteDr5.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/WriteDr5.asm to Ia32/WriteDr5.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
-rw-r--r--MdePkg/Library/BaseLib/BaseLib.inf1
-rw-r--r--MdePkg/Library/BaseLib/Ia32/WriteDr5.nasm45
2 files changed, 46 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 44cb8c1d4f..7aed3dcdf4 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -193,6 +193,7 @@
Ia32/WriteDr7.asm | INTEL
Ia32/WriteDr6.nasm| INTEL
Ia32/WriteDr6.asm | INTEL
+ Ia32/WriteDr5.nasm| INTEL
Ia32/WriteDr5.asm | INTEL
Ia32/WriteDr4.asm | INTEL
Ia32/WriteDr3.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteDr5.nasm b/MdePkg/Library/BaseLib/Ia32/WriteDr5.nasm
new file mode 100644
index 0000000000..8d1f9e6911
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/WriteDr5.nasm
@@ -0,0 +1,45 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+; WriteDr5.Asm
+;
+; Abstract:
+;
+; AsmWriteDr5 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr5 (
+; IN UINTN Value
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmWriteDr5)
+ASM_PFX(AsmWriteDr5):
+ mov eax, [esp + 4]
+ ;
+ ; DR5 is alias to DR7 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 0xf, 0x23, 0xe8
+ ret
+