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>

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 937dd17ee696ff647ffab8fe4b0cfce3d19f4e72..f57b6cd88f7836fd92111762b6f5a1c1b9ede320 100644 (file)
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -271,6 +271,7 @@
   Ia32/ReadDr7.asm | INTEL \r
   Ia32/ReadDr6.nasm| INTEL\r
   Ia32/ReadDr6.asm | INTEL \r
+  Ia32/ReadDr5.nasm| INTEL\r
   Ia32/ReadDr5.asm | INTEL \r
   Ia32/ReadDr4.asm | INTEL \r
   Ia32/ReadDr3.asm | INTEL \r

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm b/MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm
new file mode 100644 (file)
index 0000000..ab49881
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDr5.nasm
@@ -0,0 +1,44 @@
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+; This program and the accompanying materials\r
+; are licensed and made available under the terms and conditions of the BSD License\r
+; which accompanies this distribution.  The full text of the license may be found at\r
+; http://opensource.org/licenses/bsd-license.php.\r
+;\r
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+;\r
+; Module Name:\r
+;\r
+;   ReadDr5.Asm\r
+;\r
+; Abstract:\r
+;\r
+;   AsmReadDr5 function\r
+;\r
+; Notes:\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+    SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; UINTN\r
+; EFIAPI\r
+; AsmReadDr5 (\r
+;   VOID\r
+;   );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(AsmReadDr5)\r
+ASM_PFX(AsmReadDr5):\r
+    ;\r
+    ; DR5 is alias to DR7 only if DE (in CR4) is cleared. Otherwise, reading\r
+    ; this register will cause a #UD exception.\r
+    ;\r
+    ; MS assembler doesn't support this instruction since no one would use it\r
+    ; under normal circustances. Here opcode is used.\r
+    ;\r
+    DB      0xf, 0x21, 0xe8\r
+    ret\r
+\r