xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/xor.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (C) IBM Corporation, 2012
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Author: Anton Blanchard <anton@au.ibm.com>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #ifndef _ASM_POWERPC_XOR_H
9*4882a593Smuzhiyun #define _ASM_POWERPC_XOR_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifdef CONFIG_ALTIVEC
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <asm/cputable.h>
14*4882a593Smuzhiyun #include <asm/cpu_has_feature.h>
15*4882a593Smuzhiyun #include <asm/xor_altivec.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun static struct xor_block_template xor_block_altivec = {
18*4882a593Smuzhiyun 	.name = "altivec",
19*4882a593Smuzhiyun 	.do_2 = xor_altivec_2,
20*4882a593Smuzhiyun 	.do_3 = xor_altivec_3,
21*4882a593Smuzhiyun 	.do_4 = xor_altivec_4,
22*4882a593Smuzhiyun 	.do_5 = xor_altivec_5,
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define XOR_SPEED_ALTIVEC()				\
26*4882a593Smuzhiyun 	do {						\
27*4882a593Smuzhiyun 		if (cpu_has_feature(CPU_FTR_ALTIVEC))	\
28*4882a593Smuzhiyun 			xor_speed(&xor_block_altivec);	\
29*4882a593Smuzhiyun 	} while (0)
30*4882a593Smuzhiyun #else
31*4882a593Smuzhiyun #define XOR_SPEED_ALTIVEC()
32*4882a593Smuzhiyun #endif
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun /* Also try the generic routines. */
35*4882a593Smuzhiyun #include <asm-generic/xor.h>
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #undef XOR_TRY_TEMPLATES
38*4882a593Smuzhiyun #define XOR_TRY_TEMPLATES				\
39*4882a593Smuzhiyun do {							\
40*4882a593Smuzhiyun 	xor_speed(&xor_block_8regs);			\
41*4882a593Smuzhiyun 	xor_speed(&xor_block_8regs_p);			\
42*4882a593Smuzhiyun 	xor_speed(&xor_block_32regs);			\
43*4882a593Smuzhiyun 	xor_speed(&xor_block_32regs_p);			\
44*4882a593Smuzhiyun 	XOR_SPEED_ALTIVEC();				\
45*4882a593Smuzhiyun } while (0)
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #endif /* _ASM_POWERPC_XOR_H */
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