2 * File: arch/blackfin/lib/memchr.S
10 * Copyright 2004-2006 Analog Devices Inc.
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #include <linux/linkage.h>
32 /* void *memchr(const void *s, int c, size_t n);
34 * R1 = sought byte (c)
37 * Returns pointer to located character.
45 P0 = R0; /* P0 = address */
46 P2 = R2; /* P2 = count */
52 LSETUP (.Lbyte_loop_s, .Lbyte_loop_e) LC0=P2;
70 .size _memchr,.-_memchr