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https://github.com/CloverHackyColor/CloverBootloader.git
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29 lines
640 B
ArmAsm
29 lines
640 B
ArmAsm
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#------------------------------------------------------------------------------
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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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ASM_FUNC(__ashrdi3)
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cmp r2, #31
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bls L2
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cmp r2, #63
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subls r2, r2, #32
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mov ip, r1, asr #31
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movls r2, r1, asr r2
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movhi r2, ip
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mov r0, r2
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mov r1, ip
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bx lr
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L2:
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cmp r2, #0
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rsbne r3, r2, #32
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movne r3, r1, asl r3
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movne r1, r1, asr r2
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orrne r0, r3, r0, lsr r2
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bx lr
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