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-rw-r--r--gnu-efi/lib/arm/llsl.S41
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+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2013, ARM. 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.
+#
+#------------------------------------------------------------------------------
+
+#include "edk2asm.h"
+
+.text
+.align 2
+GCC_ASM_EXPORT(__aeabi_llsl)
+
+#
+#VOID
+#EFIAPI
+#__aeabi_llsl (
+# IN VOID *Destination,
+# IN VOID *Source,
+# IN UINT32 Size
+# );
+#
+ASM_PFX(__aeabi_llsl):
+ subs r3,r2,#0x20
+ bpl 1f
+ rsb r3,r2,#0x20
+ lsl r1,r1,r2
+ orr r1,r1,r0,lsr r3
+ lsl r0,r0,r2
+ bx lr
+1:
+ lsl r1,r0,r3
+ mov r0,#0
+ bx lr