Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ia32 / ReadCr4.S

diff --git a/OldMdePkg/Library/BaseLib/Ia32/ReadCr4.S b/OldMdePkg/Library/BaseLib/Ia32/ReadCr4.S
new file mode 100644 (file)
index 0000000..442d359
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ia32/ReadCr4.S
@@ -0,0 +1,35 @@
+#------------------------------------------------------------------------------\r
+#\r
+# Copyright (c) 2006, 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
+# Module Name:\r
+#\r
+#   ReadCr4.Asm\r
+#\r
+# Abstract:\r
+#\r
+#   AsmReadCr4 function\r
+#\r
+# Notes:\r
+#\r
+#------------------------------------------------------------------------------\r
+\r
+.globl ASM_PFX(AsmReadCr4)\r
+\r
+#------------------------------------------------------------------------------\r
+# UINTN\r
+# EFIAPI\r
+# AsmReadCr4 (\r
+#   VOID\r
+#   );\r
+#------------------------------------------------------------------------------\r
+ASM_PFX(AsmReadCr4):\r
+    movl    %cr4, %eax\r
+    ret\r