1 /* $NetBSD: sysarch.h,v 1.15 2021/10/06 05:33:15 skrll 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 size_t and uintptr_t 42 */ 43 #include <machine/ansi.h> 44 #include <sys/stdint.h> 45 #ifndef _KERNEL 46 #include <stdbool.h> 47 #endif 48 49 #ifdef _BSD_SIZE_T_ 50 typedef _BSD_SIZE_T_ size_t; 51 #undef _BSD_SIZE_T_ 52 #endif 53 54 /* 55 * Architecture specific syscalls (arm) 56 */ 57 58 #define ARM_SYNC_ICACHE 0 59 #define ARM_DRAIN_WRITEBUF 1 60 #define ARM_VFP_FPSCR 2 61 #define ARM_FPU_USED 3 62 63 struct arm_sync_icache_args { 64 uintptr_t addr; /* Virtual start address */ 65 size_t len; /* Region size */ 66 }; 67 68 struct arm_vfp_fpscr_args { 69 uint32_t fpscr_clear; /* bits to clear */ 70 uint32_t fpscr_set; /* bits to set */ 71 }; 72 73 struct arm_unaligned_faults_args { 74 bool enabled; /* unaligned faults are enabled */ 75 }; 76 77 #ifndef _KERNEL 78 __BEGIN_DECLS 79 int arm_sync_icache(uintptr_t, size_t); 80 int arm_drain_writebuf(void); 81 int sysarch(int, void *); 82 __END_DECLS 83 #endif 84 85 #endif /* !_ARM_SYSARCH_H_ */ 86