1/* $OpenBSD: param.h,v 1.2 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#ifndef _LOCORE 40#include <machine/cpu.h> 41#endif 42#endif 43 44#define _MACHINE powerpc64 45#define MACHINE "powerpc64" 46#define _MACHINE_ARCH powerpc64 47#define MACHINE_ARCH "powerpc64" 48#define MID_MACHINE MID_POWERPC64 49 50#define PAGE_SHIFT 12 51#define PAGE_SIZE (1 << PAGE_SHIFT) 52#define PAGE_MASK (PAGE_SIZE - 1) 53 54#define KERNBASE 0xffffff8000000000ULL /* start of kernel virtual space */ 55 56#ifdef _KERNEL 57 58#define NBPG PAGE_SIZE /* bytes/page */ 59#define PGSHIFT PAGE_SHIFT /* LOG2(PAGE_SIZE) */ 60#define PGOFSET PAGE_MASK /* byte offset into page */ 61 62#define UPAGES 5 /* pages of u-area */ 63#define USPACE (UPAGES * PAGE_SIZE) /* total size of u-area */ 64#define USPACE_ALIGN 0 /* u-area alignment 0-none */ 65 66#define NMBCLUSTERS (64 * 1024) /* max cluster allocation */ 67 68#ifndef MSGBUFSIZE 69#define MSGBUFSIZE (16 * PAGE_SIZE) /* default message buffer size */ 70#endif 71 72#define STACKALIGNBYTES (32 - 1) 73#define STACKALIGN(p) ((u_long)(p) &~ STACKALIGNBYTES) 74 75#define __HAVE_FDT 76 77#endif /* _KERNEL */ 78 79#endif /* _MACHINE_PARAM_H_ */ 80