Introduce UefiCpuLib library class in UefiCpuPkg and add one instance of BaseUefiCpuL...

[mirror_edk2.git] / UefiCpuPkg / Include / Library / UefiCpuLib.h

diff --git a/UefiCpuPkg/Include/Library/UefiCpuLib.h b/UefiCpuPkg/Include/Library/UefiCpuLib.h
new file mode 100644 (file)
index 0000000..597c194
--- /dev/null
+++ b/UefiCpuPkg/Include/Library/UefiCpuLib.h
@@ -0,0 +1,38 @@
+/** @file\r
+  Public header file for UEFI CPU library class.\r
+\r
+  This library class defines some routines that are generic for IA32 family CPU\r
+  to be UEFI specification compliant.\r
+\r
+  Copyright (c) 2009, Intel Corporation\r
+  All rights reserved. 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
+**/\r
+\r
+#ifndef __UEFI_CPU_LIB_H__\r
+#define __UEFI_CPU_LIB_H__\r
+\r
+\r
+\r
+/**\r
+  Initializes floating point units for requirement of UEFI specification.\r
+\r
+  This function initializes floating-point control word to 0x027F (all exceptions\r
+  masked,double-precision, round-to-nearest) and multimedia-extensions control word\r
+  (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero\r
+  for masked underflow).\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+InitializeFloatingPointUnits (\r
+  VOID\r
+  );\r
+\r
+#endif\r