38 lines
571 B
C
38 lines
571 B
C
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// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
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#include <linux/types.h>
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void *memset(void *dest, int c, size_t l)
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{
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char *d = dest;
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int ch = c & 0xff;
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int tmp = (ch | ch << 8 | ch << 16 | ch << 24);
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while (((uintptr_t)d & 0x3) && l--)
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*d++ = ch;
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while (l >= 16) {
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*(((u32 *)d)) = tmp;
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*(((u32 *)d)+1) = tmp;
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*(((u32 *)d)+2) = tmp;
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*(((u32 *)d)+3) = tmp;
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l -= 16;
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d += 16;
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}
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while (l > 3) {
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*(((u32 *)d)) = tmp;
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l -= 4;
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d += 4;
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}
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while (l) {
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*d = ch;
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l--;
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d++;
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}
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return dest;
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}
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