d039044be4
The new source is a port of the RVCT version. Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Pete Batard <pete@akeo.ie> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
31 lines
650 B
ArmAsm
31 lines
650 B
ArmAsm
#------------------------------------------------------------------------------
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#
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# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#------------------------------------------------------------------------------
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#include <AsmMacroIoLib.h>
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#
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#UINT64
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#EFIAPI
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#__aeabi_lasr (
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# IN UINT64 Value
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# IN UINT32 Shift
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# );
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#
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ASM_FUNC(__aeabi_lasr)
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subs r3,r2,#0x20
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bpl L_Test
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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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asr r1,r1,r2
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bx lr
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L_Test:
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asr r0,r1,r3
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asr r1,r1,#31
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bx lr
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