1 /* $OpenBSD: param.h,v 1.22 2023/12/14 13:26:49 claudio Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Steve Murphree, Jr. 5 * Copyright (c) 1988 University of Utah. 6 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * the Systems Programming Group of the University of Utah Computer 11 * Science Department. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifndef _M88K_PARAM_H_ 39 #define _M88K_PARAM_H_ 40 41 #ifdef _KERNEL 42 #ifndef _LOCORE 43 #include <machine/cpu.h> 44 #endif /* _LOCORE */ 45 #endif 46 47 #define _MACHINE_ARCH m88k 48 #define MACHINE_ARCH "m88k" 49 #define MID_MACHINE MID_M88K 50 51 #define PAGE_SHIFT 12 52 #define PAGE_SIZE (1 << PAGE_SHIFT) 53 #define PAGE_MASK (PAGE_SIZE - 1) 54 55 #define NPTEPG (PAGE_SIZE / (sizeof(pt_entry_t))) 56 57 #ifdef _KERNEL 58 59 #define NBPG PAGE_SIZE 60 #define PGSHIFT PAGE_SHIFT 61 #define PGOFSET PAGE_MASK 62 63 #define UPAGES 2 /* pages of u-area */ 64 #define USPACE (UPAGES * PAGE_SIZE) /* total size of u-area */ 65 #define USPACE_ALIGN 0 /* u-area alignment 0-none */ 66 67 #define NMBCLUSTERS (8 * 1024) /* max cluster allocation */ 68 69 #ifndef MSGBUFSIZE 70 #define MSGBUFSIZE PAGE_SIZE 71 #endif 72 73 /* 74 * Get interrupt glue. 75 */ 76 #include <machine/intr.h> 77 78 #define DELAY(x) delay(x) 79 80 #if !defined(_LOCORE) 81 extern void delay(int); 82 extern int cputyp; 83 #endif 84 85 /* 86 * Values for the cputyp variable. 87 */ 88 #define CPU_88100 0x00 89 #define CPU_88110 0x01 90 91 #ifdef M88100 92 #ifdef M88110 93 #define CPU_IS88100 (cputyp == CPU_88100) 94 #define CPU_IS88110 (cputyp != CPU_88100) 95 #else 96 #define CPU_IS88100 1 97 #define CPU_IS88110 0 98 #endif 99 #else 100 #define CPU_IS88100 0 101 #define CPU_IS88110 1 102 #endif 103 104 #endif /* _KERNEL */ 105 106 #endif /* _M88K_PARAM_H_ */ 107