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f1f99adf05
Add the compiler-rt builtins like memcpy to the hexagon kernel. Signed-off-by: Sid Manning <sidneym@codeaurora.org> Add SYM_FUNC_START/END, ksyms exports Signed-off-by: Brian Cain <bcain@codeaurora.org> Tested-by: Nick Desaulniers <ndesaulniers@google.com>
37 lines
848 B
ArmAsm
37 lines
848 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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*/
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#include <linux/linkage.h>
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SYM_FUNC_START(__hexagon_umodsi3)
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{
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r2 = cl0(r0)
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r3 = cl0(r1)
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p0 = cmp.gtu(r1,r0)
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}
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{
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r2 = sub(r3,r2)
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if (p0) jumpr r31
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}
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{
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loop0(1f,r2)
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p1 = cmp.eq(r2,#0)
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r2 = lsl(r1,r2)
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}
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.falign
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1:
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{
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p0 = cmp.gtu(r2,r0)
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if (!p0.new) r0 = sub(r0,r2)
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r2 = lsr(r2,#1)
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if (p1) r1 = #0
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}:endloop0
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{
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p0 = cmp.gtu(r2,r0)
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if (!p0.new) r0 = sub(r0,r1)
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jumpr r31
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}
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SYM_FUNC_END(__hexagon_umodsi3)
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