modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/riscv/lib/memcpy.S
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@@ -1,21 +1,14 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2013 Regents of the University of California
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- *
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- *   This program is free software; you can redistribute it and/or
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- *   modify it under the terms of the GNU General Public License
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- *   as published by the Free Software Foundation, version 2.
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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  */
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 #include <linux/linkage.h>
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 #include <asm/asm.h>
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 /* void *memcpy(void *, const void *, size_t) */
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-ENTRY(memcpy)
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+ENTRY(__memcpy)
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+WEAK(memcpy)
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 	move t6, a0  /* Preserve return value */
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 	/* Defer to byte-oriented copy for small sizes */
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@@ -112,4 +105,4 @@
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 	bltu a1, a3, 5b
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 6:
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 	ret
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-END(memcpy)
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+END(__memcpy)