1 /* $NetBSD: machdep.h,v 1.41 2024/01/12 23:46:53 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah Hdr: cpu.h 1.16 91/03/25 36 * from: @(#)cpu.h 7.7 (Berkeley) 6/27/91 37 * cpu.h,v 1.2 1993/05/22 07:58:17 cgd Exp 38 */ 39 40 /* 41 * Copyright (c) 1994 Gordon W. Ross 42 * Copyright (c) 1993 Adam Glass 43 * Copyright (c) 1988 University of Utah. 44 * 45 * This code is derived from software contributed to Berkeley by 46 * the Systems Programming Group of the University of Utah Computer 47 * Science Department. 48 * 49 * Redistribution and use in source and binary forms, with or without 50 * modification, are permitted provided that the following conditions 51 * are met: 52 * 1. Redistributions of source code must retain the above copyright 53 * notice, this list of conditions and the following disclaimer. 54 * 2. Redistributions in binary form must reproduce the above copyright 55 * notice, this list of conditions and the following disclaimer in the 56 * documentation and/or other materials provided with the distribution. 57 * 3. All advertising materials mentioning features or use of this software 58 * must display the following acknowledgement: 59 * This product includes software developed by the University of 60 * California, Berkeley and its contributors. 61 * 4. Neither the name of the University nor the names of its contributors 62 * may be used to endorse or promote products derived from this software 63 * without specific prior written permission. 64 * 65 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 66 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 67 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 68 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 69 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 70 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 71 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 72 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 73 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 74 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 75 * SUCH DAMAGE. 76 * 77 * from: Utah Hdr: cpu.h 1.16 91/03/25 78 * from: @(#)cpu.h 7.7 (Berkeley) 6/27/91 79 * cpu.h,v 1.2 1993/05/22 07:58:17 cgd Exp 80 */ 81 82 /* 83 * Internal definitions unique to sun3/68k CPU support. 84 * These are the "private" declarations - those needed 85 * only here in machine-independent code. The "public" 86 * definitions are in cpu.h (used by common code). 87 */ 88 89 #ifdef _KERNEL 90 91 /* Prototypes... */ 92 93 struct frame; 94 struct fpframe; 95 struct pcb; 96 struct proc; 97 struct reg; 98 struct trapframe; 99 struct uio; 100 struct mmu_rootptr; 101 102 extern label_t *nofault; 103 104 extern vaddr_t vmmap; /* XXX - See mem.c */ 105 106 void clock_init (void); 107 void cninit(void); 108 109 void dumpsys(void); 110 111 void enable_fpu(int); 112 void enable_init(void); 113 void enable_video(int); 114 115 int fpu_emulate(struct trapframe *, struct fpframe *, ksiginfo_t *); 116 117 int getcrp(struct mmu_rootptr *); 118 119 void initfpu(void); 120 void intreg_init(void); 121 122 void isr_init(void); 123 void isr_config(void); 124 125 void netintr(void); 126 127 void obio_init(void); 128 129 void sunmon_abort(void); 130 void sunmon_halt(void); 131 void sunmon_init(void); 132 void sunmon_reboot(const char *); 133 134 void swapconf(void); 135 136 void zs_init(void); 137 138 #ifdef _SUN3_ 139 140 struct sun3_kcore_hdr; 141 142 extern int cache_size; 143 void cache_enable(void); 144 145 /* Kernel virtual address space available: */ 146 extern vaddr_t virtual_avail, virtual_end; 147 /* Physical address space available: */ 148 extern paddr_t avail_start, avail_end; 149 150 /* cache.c */ 151 void cache_enable(void); 152 void cache_flush_page(vaddr_t); 153 void cache_flush_segment(vaddr_t); 154 void cache_flush_context(void); 155 156 /* pmap.c */ 157 void pmap_bootstrap(vaddr_t); 158 void pmap_kcore_hdr(struct sun3_kcore_hdr *); 159 void pmap_get_pagemap(int *, int); 160 161 #endif /* SUN3 */ 162 163 #ifdef _SUN3X_ 164 165 struct mmu_rootptr; 166 struct sun3x_kcore_hdr; 167 168 extern int has_iocache; 169 170 /* This is set by locore.s with the monitor's root ptr. */ 171 extern struct mmu_rootptr mon_crp; 172 173 /* Lowest "managed" kernel virtual address. */ 174 extern vaddr_t virtual_avail; 175 176 void loadcrp(struct mmu_rootptr *); 177 178 void pmap_bootstrap(vaddr_t); 179 void pmap_kcore_hdr(struct sun3x_kcore_hdr *); 180 int pmap_pa_exists(paddr_t); 181 182 #endif /* SUN3X */ 183 184 #endif /* _KERNEL */ 185