1/* $OpenBSD: param.h,v 1.53 2023/12/14 13:26:49 claudio Exp $ */ 2 3/*- 4 * Copyright (c) 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 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR 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 _MACHINE_PARAM_H_ 36#define _MACHINE_PARAM_H_ 37 38#ifdef _KERNEL 39#ifdef _LOCORE 40#include <machine/psl.h> 41#else 42#include <machine/cpu.h> 43#endif 44#endif 45 46#define _MACHINE i386 47#define MACHINE "i386" 48#define _MACHINE_ARCH i386 49#define MACHINE_ARCH "i386" 50#define MID_MACHINE MID_I386 51 52#define PAGE_SHIFT 12 53#define PAGE_SIZE (1 << PAGE_SHIFT) 54#define PAGE_MASK (PAGE_SIZE - 1) 55 56#define KERNBASE 0xd0000000 57 58#ifdef _KERNEL 59 60#define KERNTEXTOFF (KERNBASE+0x200000) /* start of kernel text */ 61 62#define NBPG PAGE_SIZE /* bytes/page */ 63#define PGSHIFT PAGE_SHIFT /* LOG2(PAGE_SIZE) */ 64#define PGOFSET PAGE_MASK /* byte offset into page */ 65 66#define UPAGES 3 /* pages of u-area */ 67#define USPACE (UPAGES * PAGE_SIZE) /* total size of u-area */ 68#define USPACE_ALIGN 0 /* u-area alignment 0-none */ 69 70#define NMBCLUSTERS (32 * 1024) /* max cluster allocation */ 71 72#ifndef MSGBUFSIZE 73#define MSGBUFSIZE (8 * PAGE_SIZE) /* default message buffer size */ 74#endif 75 76#define __HAVE_ACPI 77 78#endif /* _KERNEL */ 79 80#endif /* _MACHINE_PARAM_H_ */ 81