arch/powerpc/include/asm/xor.h

   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 */