1 files changed, 99 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/Llvm_int_lib.h b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/Llvm_int_lib.h
new file mode 100644
index 000000000..eb0a65062
--- /dev/null
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/Llvm_int_lib.h
@@ -0,0 +1,99 @@
+/** @file
+
+  Copyright (c) 2008 - 2009, Apple Inc. 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.
+
+**/
+/**
+  University of Illinois/NCSA
+  Open Source License
+  
+  Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.
+  All rights reserved.
+  
+  Developed by:
+  
+      LLVM Team
+  
+      University of Illinois at Urbana-Champaign
+  
+      http://llvm.org
+  
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal with
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+  of the Software, and to permit persons to whom the Software is furnished to do
+  so, subject to the following conditions:
+  
+      * Redistributions of source code must retain the above copyright notice,
+        this list of conditions and the following disclaimers.
+  
+      * Redistributions in binary form must reproduce the above copyright notice,
+        this list of conditions and the following disclaimers in the
+        documentation and/or other materials provided with the distribution.
+  
+      * Neither the names of the LLVM Team, University of Illinois at
+        Urbana-Champaign, nor the names of its contributors may be used to
+        endorse or promote products derived from this Software without specific
+        prior written permission.
+  
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+  CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+  SOFTWARE.
+**/
+
+#include <Base.h>
+#include <Library/DebugLib.h>
+
+#define CHAR_BIT  8
+
+typedef union {
+    INT64   all;
+    struct {
+        UINT32 low;
+        INT32  high;
+    };
+} dwords;
+
+typedef union {
+    UINT64  all;
+    struct {
+        UINT32 low;
+        UINT32 high;
+    };
+} udwords;
+
+// __aeabi_ return values
+typedef struct {
+  UINT64  Quotent;
+  UINT64  Remainder;
+} ulldiv_t;
+
+typedef struct {
+  INT64   Quotent;
+  INT64   Remainder;
+} lldiv_t;
+
+typedef struct {
+  UINT32  Quotent;
+  UINT32  Remainder;
+} uidiv_return;
+
+#if __GNUC__
+  #define COUNT_LEADING_ZEROS(_a)   __builtin_clz((_a))
+  #define COUNT_TRAILING_ZEROS(_a)  __builtin_ctz((_a))
+#else
+#error COUNT_LEADING_ZEROS() and COUNT_TRAILING_ZEROS() macros not ported to your compiler
+#endif