42 lines
1.0 KiB
ArmAsm
42 lines
1.0 KiB
ArmAsm
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2013, ARM. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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#------------------------------------------------------------------------------
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#include "edk2asm.h"
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.text
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.align 2
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GCC_ASM_EXPORT(__aeabi_llsr)
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#
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#VOID
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#EFIAPI
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#__aeabi_llsr (
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# IN VOID *Destination,
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# IN VOID *Source,
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# IN UINT32 Size
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# );
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#
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ASM_PFX(__aeabi_llsr):
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subs r3,r2,#0x20
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bpl 1f
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rsb r3,r2,#0x20
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lsr r0,r0,r2
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orr r0,r0,r1,lsl r3
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lsr r1,r1,r2
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bx lr
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1:
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lsr r0,r1,r3
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mov r1,#0
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bx lr
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