1 /* $NetBSD: altivec.h,v 1.13 2011/01/18 01:02:54 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _POWERPC_ALTIVEC_H_ 33 #define _POWERPC_ALTIVEC_H_ 34 35 #define VSCR_SA 0x00000001 /* Saturation happended (sticky) */ 36 #define VSCR_NJ 0x00010000 /* Non Java-IEEE-C9X FP mode */ 37 38 #ifdef _KERNEL 39 #include <powerpc/mcontext.h> 40 41 enum vec_op { VEC_SAVE, VEC_DISCARD, VEC_SAVE_AND_RELEASE }; 42 struct lwp; 43 struct vreg; 44 struct trapframe; 45 46 void vec_enable(void); 47 void vec_save_cpu(enum vec_op); 48 void vec_save_lwp(struct lwp *, enum vec_op); 49 void vec_restore_from_mcontext(struct lwp *, const mcontext_t *); 50 bool vec_save_to_mcontext(struct lwp *, mcontext_t *, unsigned int *); 51 52 void vec_load_from_vreg(const struct vreg *); 53 void vec_unload_to_vreg(struct vreg *); 54 55 int vec_siginfo_code(const struct trapframe *); 56 57 /* OEA only */ 58 void vzeropage(paddr_t); 59 void vcopypage(paddr_t, paddr_t); /* dst, src */ 60 #endif 61 62 #endif /* _POWERPC_ALTIVEC_H_ */ 63