1 /* $NetBSD: sysarch.h,v 1.10 2013/02/01 15:23:11 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1996-1997 Mark Brinicombe. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Mark Brinicombe. 18 * 4. The name of the company nor the name of the author may be used to 19 * endorse or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _ARM_SYSARCH_H_ 36 #define _ARM_SYSARCH_H_ 37 38 #include <sys/cdefs.h> 39 40 /* 41 * Pickup definition of uintptr_t 42 */ 43 #include <sys/stdint.h> 44 #ifndef _KERNEL 45 #include <stdbool.h> 46 #endif 47 48 /* 49 * Architecture specific syscalls (arm) 50 */ 51 52 #define ARM_SYNC_ICACHE 0 53 #define ARM_DRAIN_WRITEBUF 1 54 #define ARM_VFP_FPSCR 2 55 #define ARM_FPU_USED 3 56 57 struct arm_sync_icache_args { 58 uintptr_t addr; /* Virtual start address */ 59 size_t len; /* Region size */ 60 }; 61 62 struct arm_vfp_fpscr_args { 63 uint32_t fpscr_clear; /* bits to clear */ 64 uint32_t fpscr_set; /* bits to set */ 65 }; 66 67 struct arm_unaligned_faults_args { 68 bool enabled; /* unaligned faults are enabled */ 69 }; 70 71 #ifndef _KERNEL 72 __BEGIN_DECLS 73 int arm_sync_icache(u_int addr, int len); 74 int arm_drain_writebuf(void); 75 int sysarch(int, void *); 76 __END_DECLS 77 #endif 78 79 #endif /* !_ARM_SYSARCH_H_ */ 80