tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 *
16 * Copyright (C) IBM Corporation, 2012
17 *
18 * Author: Anton Blanchard <anton@au.ibm.com>
19 */
20#ifndef _ASM_POWERPC_XOR_H
21#define _ASM_POWERPC_XOR_H
22
23#ifdef CONFIG_ALTIVEC
24
25#include <asm/cputable.h>
26#include <asm/cpu_has_feature.h>
27
28void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
29 unsigned long *v2_in);
30void xor_altivec_3(unsigned long bytes, unsigned long *v1_in,
31 unsigned long *v2_in, unsigned long *v3_in);
32void xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
33 unsigned long *v2_in, unsigned long *v3_in,
34 unsigned long *v4_in);
35void xor_altivec_5(unsigned long bytes, unsigned long *v1_in,
36 unsigned long *v2_in, unsigned long *v3_in,
37 unsigned long *v4_in, unsigned long *v5_in);
38
39static struct xor_block_template xor_block_altivec = {
40 .name = "altivec",
41 .do_2 = xor_altivec_2,
42 .do_3 = xor_altivec_3,
43 .do_4 = xor_altivec_4,
44 .do_5 = xor_altivec_5,
45};
46
47#define XOR_SPEED_ALTIVEC() \
48 do { \
49 if (cpu_has_feature(CPU_FTR_ALTIVEC)) \
50 xor_speed(&xor_block_altivec); \
51 } while (0)
52#else
53#define XOR_SPEED_ALTIVEC()
54#endif
55
56/* Also try the generic routines. */
57#include <asm-generic/xor.h>
58
59#undef XOR_TRY_TEMPLATES
60#define XOR_TRY_TEMPLATES \
61do { \
62 xor_speed(&xor_block_8regs); \
63 xor_speed(&xor_block_8regs_p); \
64 xor_speed(&xor_block_32regs); \
65 xor_speed(&xor_block_32regs_p); \
66 XOR_SPEED_ALTIVEC(); \
67} while (0)
68
69#endif /* _ASM_POWERPC_XOR_H */