param.h revision 103436
1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from: @(#)param.h 5.8 (Berkeley) 6/28/91 30 * $FreeBSD: head/sys/sparc64/include/param.h 103436 2002-09-17 01:49:00Z peter $ 31 */ 32 33/* 34 * Machine dependent constants for sparc64. 35 */ 36 37#define TODO \ 38 panic("implement %s", __func__) 39 40/* 41 * Round p (pointer or byte index) up to a correctly-aligned value 42 * for all data types (int, long, ...). The result is unsigned int 43 * and must be cast to any desired pointer type. 44 */ 45#ifndef _ALIGNBYTES 46#define _ALIGNBYTES 0xf 47#endif 48#ifndef _ALIGN 49#define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) & ~_ALIGNBYTES) 50#endif 51 52#ifndef _MACHINE 53#define _MACHINE sparc64 54#endif 55#ifndef _MACHINE_ARCH 56#define _MACHINE_ARCH sparc64 57#endif 58 59#ifndef _NO_NAMESPACE_POLLUTION 60 61#ifndef _MACHINE_PARAM_H_ 62#define _MACHINE_PARAM_H_ 63 64#ifndef MACHINE 65#define MACHINE "sparc64" 66#endif 67#ifndef MACHINE_ARCH 68#define MACHINE_ARCH "sparc64" 69#endif 70#define MID_MACHINE MID_SPARC64 71 72#ifdef SMP 73#define MAXCPU 16 74#else 75#define MAXCPU 1 76#endif /* SMP */ 77 78#define INT_SHIFT 2 79#define PTR_SHIFT 3 80 81#define ALIGNBYTES _ALIGNBYTES 82#define ALIGN(p) _ALIGN(p) 83 84#define PAGE_SHIFT_8K 13 85#define PAGE_SIZE_8K (1UL<<PAGE_SHIFT_8K) 86#define PAGE_MASK_8K (PAGE_SIZE_8K-1) 87 88#define PAGE_SHIFT_64K 16 89#define PAGE_SIZE_64K (1UL<<PAGE_SHIFT_64K) 90#define PAGE_MASK_64K (PAGE_SIZE_64K-1) 91 92#define PAGE_SHIFT_512K 19 93#define PAGE_SIZE_512K (1UL<<PAGE_SHIFT_512K) 94#define PAGE_MASK_512K (PAGE_SIZE_512K-1) 95 96#define PAGE_SHIFT_4M 22 97#define PAGE_SIZE_4M (1UL<<PAGE_SHIFT_4M) 98#define PAGE_MASK_4M (PAGE_SIZE_4M-1) 99 100#define PAGE_SHIFT_MIN PAGE_SHIFT_8K 101#define PAGE_SIZE_MIN PAGE_SIZE_8K 102#define PAGE_MASK_MIN PAGE_MASK_8K 103#define PAGE_SHIFT PAGE_SHIFT_8K /* LOG2(PAGE_SIZE) */ 104#define PAGE_SIZE PAGE_SIZE_8K /* bytes/page */ 105#define PAGE_MASK PAGE_MASK_8K 106#define PAGE_SHIFT_MAX PAGE_SHIFT_4M 107#define PAGE_SIZE_MAX PAGE_SIZE_4M 108#define PAGE_MASK_MAX PAGE_MASK_4M 109 110#define KSTACK_PAGES 4 /* pages of kernel stack (with pcb) */ 111#define UAREA_PAGES 1 /* pages of user area */ 112#define PCPU_PAGES 1 113 114#define KSTACK_GUARD /* compile in kstack guard page */ 115#define KSTACK_GUARD_PAGES 1 116 117/* 118 * Mach derived conversion macros 119 */ 120#define round_page(x) (((unsigned long)(x) + PAGE_MASK) & ~PAGE_MASK) 121#define trunc_page(x) ((unsigned long)(x) & ~PAGE_MASK) 122 123#define atop(x) ((unsigned long)(x) >> PAGE_SHIFT) 124#define ptoa(x) ((unsigned long)(x) << PAGE_SHIFT) 125 126#define sparc64_btop(x) ((unsigned long)(x) >> PAGE_SHIFT) 127#define sparc64_ptob(x) ((unsigned long)(x) << PAGE_SHIFT) 128 129#define pgtok(x) ((unsigned long)(x) * (PAGE_SIZE / 1024)) 130 131#endif /* !_MACHINE_PARAM_H_ */ 132#endif /* !_NO_NAMESPACE_POLLUTION */ 133