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 28 void xor_altivec_2(unsigned long bytes, unsigned long *v1_in, 29 unsigned long *v2_in); 30 void xor_altivec_3(unsigned long bytes, unsigned long *v1_in, 31 unsigned long *v2_in, unsigned long *v3_in); 32 void xor_altivec_4(unsigned long bytes, unsigned long *v1_in, 33 unsigned long *v2_in, unsigned long *v3_in, 34 unsigned long *v4_in); 35 void 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 39 static 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 \ 61 do { \ 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 */ 70