xref: /openbmc/linux/arch/powerpc/include/asm/xor.h (revision 6d99a79c)
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 #include <asm/xor_altivec.h>
28 
29 static struct xor_block_template xor_block_altivec = {
30 	.name = "altivec",
31 	.do_2 = xor_altivec_2,
32 	.do_3 = xor_altivec_3,
33 	.do_4 = xor_altivec_4,
34 	.do_5 = xor_altivec_5,
35 };
36 
37 #define XOR_SPEED_ALTIVEC()				\
38 	do {						\
39 		if (cpu_has_feature(CPU_FTR_ALTIVEC))	\
40 			xor_speed(&xor_block_altivec);	\
41 	} while (0)
42 #else
43 #define XOR_SPEED_ALTIVEC()
44 #endif
45 
46 /* Also try the generic routines. */
47 #include <asm-generic/xor.h>
48 
49 #undef XOR_TRY_TEMPLATES
50 #define XOR_TRY_TEMPLATES				\
51 do {							\
52 	xor_speed(&xor_block_8regs);			\
53 	xor_speed(&xor_block_8regs_p);			\
54 	xor_speed(&xor_block_32regs);			\
55 	xor_speed(&xor_block_32regs_p);			\
56 	XOR_SPEED_ALTIVEC();				\
57 } while (0)
58 
59 #endif /* _ASM_POWERPC_XOR_H */
60