1 /* $NetBSD: cpu.h,v 1.55 2024/01/20 00:15:32 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1982, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 37 * 38 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 39 */ 40 41 #ifndef _NEWS68K_CPU_H_ 42 #define _NEWS68K_CPU_H_ 43 44 #if defined(_KERNEL_OPT) 45 #include "opt_lockdebug.h" 46 #include "opt_newsconf.h" 47 #endif 48 49 /* 50 * Get common m68k CPU definitions. 51 */ 52 #include <m68k/cpu.h> 53 54 #if defined(_KERNEL) 55 /* 56 * Exported definitions unique to news68k cpu support. 57 */ 58 59 /* 60 * XXX news1700 L2 cache would be corrupted with DC_BE and IC_BE... 61 * XXX Should these be defined in machine/cpu.h? 62 */ 63 #undef CACHE_ON 64 #undef CACHE_CLR 65 #undef IC_CLEAR 66 #undef DC_CLEAR 67 #define CACHE_ON (DC_WA|DC_CLR|DC_ENABLE|IC_CLR|IC_ENABLE) 68 #define CACHE_CLR CACHE_ON 69 #define IC_CLEAR (DC_WA|DC_ENABLE|IC_CLR|IC_ENABLE) 70 #define DC_CLEAR (DC_WA|DC_CLR|DC_ENABLE|IC_ENABLE) 71 72 #define DCIC_CLR (DC_CLR|IC_CLR) 73 #define CACHE_BE (DC_BE|IC_BE) 74 75 #define cpu_set_hw_ast(l) \ 76 do { \ 77 extern volatile u_char *ctrl_ast; \ 78 __USE(l); \ 79 *ctrl_ast = 0xff; \ 80 } while (/*CONSTCOND*/0) 81 82 #if defined(news1700) 83 #define CACHE_HAVE_PAC 84 #endif 85 86 extern int systype; 87 #define NEWS1700 0 88 #define NEWS1200 1 89 90 extern int cpuspeed; 91 extern char *intiobase, *intiolimit, *extiobase; 92 extern u_int intiobase_phys, intiotop_phys; 93 extern u_int extiobase_phys, extiotop_phys; 94 95 extern void *romcallvec; 96 97 struct frame; 98 99 void doboot(int) 100 __attribute__((__noreturn__)); 101 void nmihand(struct frame *); 102 void ecacheon(void); 103 void ecacheoff(void); 104 105 /* machdep.c functions */ 106 int badaddr(void *, int); 107 int badbaddr(void *); 108 109 #endif 110 111 /* physical memory sections */ 112 #define ROMBASE 0xe0000000 113 114 #define INTIOBASE1700 0xe0c00000 115 #define INTIOTOP1700 0xe1d00000 /* XXX */ 116 #define EXTIOBASE1700 0xf0f00000 117 #define EXTIOTOP1700 0xf1000000 /* XXX */ 118 #define CTRL_POWER1700 0xe1380000 119 #define CTRL_LED1700 0xe0dc0000 120 121 #define INTIOBASE1200 0xe1000000 122 #define INTIOTOP1200 0xe1d00000 /* XXX */ 123 #define EXTIOBASE1200 0xe4000000 124 #define EXTIOTOP1200 0xe4020000 /* XXX */ 125 #define CTRL_POWER1200 0xe1000000 126 #define CTRL_LED1200 0xe1500001 127 128 #define MAXADDR 0xfffff000 129 130 /* 131 * Internal IO space: 132 * 133 * Internal IO space is mapped in the kernel from ``intiobase'' to 134 * ``intiolimit'' (defined in locore.s). Since it is always mapped, 135 * conversion between physical and kernel virtual addresses is easy. 136 */ 137 #define ISIIOVA(va) \ 138 ((char *)(va) >= intiobase && (char *)(va) < intiolimit) 139 #define IIOV(pa) (((u_int)(pa) - intiobase_phys) + (u_int)intiobase) 140 #define ISIIOPA(pa) \ 141 ((u_int)(pa) >= intiobase_phys && (u_int)(pa) < intiotop_phys) 142 #define IIOP(va) (((u_int)(va) - (u_int)intiobase) + intiobase_phys) 143 #define IIOPOFF(pa) ((u_int)(pa) - intiobase_phys) 144 145 /* XXX EIO space mapping should be modified like hp300 XXX */ 146 #define EIOSIZE (extiotop_phys - extiobase_phys) 147 #define ISEIOVA(va) \ 148 ((char *)(va) >= extiobase && (char *)(va) < (char *)EIOSIZE) 149 #define EIOV(pa) (((u_int)(pa) - extiobase_phys) + (u_int)extiobase) 150 151 #if defined(CACHE_HAVE_PAC) || defined(CACHE_HAVE_VAC) 152 #define M68K_CACHEOPS_MACHDEP 153 #endif 154 155 #ifdef CACHE_HAVE_PAC 156 #define M68K_CACHEOPS_MACHDEP_PCIA 157 #endif 158 159 #ifdef CACHE_HAVE_VAC 160 #define M68K_CACHEOPS_MACHDEP_DCIA 161 #define M68K_CACHEOPS_MACHDEP_DCIS 162 #define M68K_CACHEOPS_MACHDEP_DCIU 163 #endif 164 165 #endif /* !_NEWS68K_CPU_H_ */ 166
Indexes created Sat Sep 20 22:09:52 GMT 2025