1 /* $NetBSD: cpu.h,v 1.67 2024/01/20 00:15:33 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 _X68K_CPU_H_ 42 #define _X68K_CPU_H_ 43 44 #if defined(_KERNEL_OPT) 45 #include "opt_lockdebug.h" 46 #endif 47 48 /* 49 * Get common m68k CPU definitions. 50 */ 51 #include <m68k/cpu.h> 52 53 #if defined(_KERNEL) 54 /* 55 * The rest of this should probably be moved to <machine/x68kcpu.h> 56 * although some of it could probably be put into generic 68k headers. 57 */ 58 59 extern uint8_t *intiobase; 60 extern uint8_t *intiolimit; 61 62 /* machdep.c functions */ 63 void dumpsys(void); 64 65 /* machdep.c functions */ 66 int badaddr(volatile void*); 67 int badbaddr(volatile void*); 68 69 #endif /* _KERNEL */ 70 71 /* physical memory sections */ 72 #define INTIOBASE (0x00C00000) 73 #define INTIOTOP (0x01000000) 74 75 /* 76 * Internal IO space: 77 * 78 * Ranges from 0xC00000 to 0x1000000 (IIOMAPSIZE). 79 * 80 * Internal IO space is mapped in the kernel from ``IODEVbase'' to 81 * ``intiolimit'' (defined in locore.s). Since it is always mapped, 82 * conversion between physical and kernel virtual addresses is easy. 83 */ 84 #define IIOV(pa) ((u_int)(pa) - INTIOBASE + (u_int)intiobase) 85 #define IIOP(va) ((u_int)(va) - (u_int)intiobase + INTIOBASE) 86 #define IIOPOFF(pa) ((int)(pa)-INTIOBASE) 87 #define IIOMAPSIZE btoc(INTIOTOP-INTIOBASE) /* 4mb */ 88 89 #endif /* _X68K_CPU_H_ */ 90