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-rw-r--r--MdePkg/Library/BaseLib/BaseLib.inf1
-rw-r--r--MdePkg/Library/BaseLib/Ia32/ReadPmc.nasm38
2 files changed, 39 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index aa7e23c048..7357ec9734 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -223,6 +223,7 @@
Ia32/RRotU64.asm | INTEL
Ia32/RShiftU64.nasm| INTEL
Ia32/RShiftU64.asm | INTEL
+ Ia32/ReadPmc.nasm| INTEL
Ia32/ReadPmc.asm | INTEL
Ia32/ReadTsc.asm | INTEL
Ia32/ReadLdtr.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/Ia32/ReadPmc.nasm b/MdePkg/Library/BaseLib/Ia32/ReadPmc.nasm
new file mode 100644
index 0000000000..a749b3edfd
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/ReadPmc.nasm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+; ReadPmc.Asm
+;
+; Abstract:
+;
+; AsmReadPmc function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmReadPmc (
+; IN UINT32 PmcIndex
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmReadPmc)
+ASM_PFX(AsmReadPmc):
+ mov ecx, [esp + 4]
+ rdpmc
+ ret
+