180708Sjake/*- 280708Sjake * Copyright (c) 1990 The Regents of the University of California. 380708Sjake * All rights reserved. 480708Sjake * 580708Sjake * This code is derived from software contributed to Berkeley by 680708Sjake * William Jolitz. 780708Sjake * 880708Sjake * Redistribution and use in source and binary forms, with or without 980708Sjake * modification, are permitted provided that the following conditions 1080708Sjake * are met: 1180708Sjake * 1. Redistributions of source code must retain the above copyright 1280708Sjake * notice, this list of conditions and the following disclaimer. 1380708Sjake * 2. Redistributions in binary form must reproduce the above copyright 1480708Sjake * notice, this list of conditions and the following disclaimer in the 1580708Sjake * documentation and/or other materials provided with the distribution. 1680708Sjake * 1780708Sjake * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1880708Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1980708Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2080708Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2180708Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2280708Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2380708Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2480708Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2580708Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2680708Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2780708Sjake * SUCH DAMAGE. 2880708Sjake * 2980708Sjake * from: @(#)param.h 5.8 (Berkeley) 6/28/91 3080708Sjake * $FreeBSD$ 3180708Sjake */ 3280708Sjake 33196994Sphk#ifndef _SPARC64_INCLUDE_PARAM_H_ 34196994Sphk#define _SPARC64_INCLUDE_PARAM_H_ 35196994Sphk 3680708Sjake/* 3780708Sjake * Machine dependent constants for sparc64. 3880708Sjake */ 3980708Sjake 40196994Sphk#include <machine/_align.h> 4180708Sjake 42195808Smarius#define __PCI_BAR_ZERO_VALID 43195808Smarius 4480708Sjake#ifndef MACHINE 4580708Sjake#define MACHINE "sparc64" 4680708Sjake#endif 4780708Sjake#ifndef MACHINE_ARCH 4880708Sjake#define MACHINE_ARCH "sparc64" 4980708Sjake#endif 5080708Sjake#define MID_MACHINE MID_SPARC64 5180708Sjake 52177661Sjb#if defined(SMP) || defined(KLD_MODULE) 53224207Sattilio#ifndef MAXCPU 54224232Smarius#define MAXCPU 64 55224207Sattilio#endif 5680708Sjake#else 5780708Sjake#define MAXCPU 1 58177661Sjb#endif /* SMP || KLD_MODULE */ 5980708Sjake 60250338Sattilio#ifndef MAXMEMDOM 61250338Sattilio#define MAXMEMDOM 1 62250338Sattilio#endif 63250338Sattilio 6491336Sjake#define INT_SHIFT 2 6591336Sjake#define PTR_SHIFT 3 6691336Sjake 6780708Sjake#define ALIGNBYTES _ALIGNBYTES 6880708Sjake#define ALIGN(p) _ALIGN(p) 69195376Ssam/* 70195376Ssam * ALIGNED_POINTER is a boolean macro that checks whether an address 71195376Ssam * is valid to fetch data elements of type t from on this architecture. 72195376Ssam * This does not reflect the optimal alignment, just the possibility 73195376Ssam * (within reasonable limits). 74195376Ssam */ 75195376Ssam#define ALIGNED_POINTER(p, t) ((((u_long)(p)) & (sizeof (t) - 1)) == 0) 7680708Sjake 77191278Srwatson/* 78191278Srwatson * CACHE_LINE_SIZE is the compile-time maximum cache line size for an 79191278Srwatson * architecture. It should be used with appropriate caution. 80191278Srwatson */ 81191309Srwatson#define CACHE_LINE_SHIFT 7 82191276Srwatson#define CACHE_LINE_SIZE (1 << CACHE_LINE_SHIFT) 83191276Srwatson 8480709Sjake#define PAGE_SHIFT_8K 13 85120710Salc#define PAGE_SIZE_8K (1L<<PAGE_SHIFT_8K) 8680709Sjake#define PAGE_MASK_8K (PAGE_SIZE_8K-1) 8780708Sjake 8880709Sjake#define PAGE_SHIFT_64K 16 89120710Salc#define PAGE_SIZE_64K (1L<<PAGE_SHIFT_64K) 9080709Sjake#define PAGE_MASK_64K (PAGE_SIZE_64K-1) 9180708Sjake 9280709Sjake#define PAGE_SHIFT_512K 19 93120710Salc#define PAGE_SIZE_512K (1L<<PAGE_SHIFT_512K) 9480709Sjake#define PAGE_MASK_512K (PAGE_SIZE_512K-1) 9580709Sjake 9680709Sjake#define PAGE_SHIFT_4M 22 97120710Salc#define PAGE_SIZE_4M (1L<<PAGE_SHIFT_4M) 9880709Sjake#define PAGE_MASK_4M (PAGE_SIZE_4M-1) 9980709Sjake 100165324Skmacy#define PAGE_SHIFT_32M 25 101165324Skmacy#define PAGE_SIZE_32M (1L<<PAGE_SHIFT_32M) 102165324Skmacy#define PAGE_MASK_32M (PAGE_SIZE_32M-1) 103165324Skmacy 104165324Skmacy#define PAGE_SHIFT_256M 28 105165324Skmacy#define PAGE_SIZE_256M (1L<<PAGE_SHIFT_256M) 106165324Skmacy#define PAGE_MASK_256M (PAGE_SIZE_256M-1) 107165324Skmacy 10886226Stmm#define PAGE_SHIFT_MIN PAGE_SHIFT_8K 10986226Stmm#define PAGE_SIZE_MIN PAGE_SIZE_8K 11086226Stmm#define PAGE_MASK_MIN PAGE_MASK_8K 11180709Sjake#define PAGE_SHIFT PAGE_SHIFT_8K /* LOG2(PAGE_SIZE) */ 11280709Sjake#define PAGE_SIZE PAGE_SIZE_8K /* bytes/page */ 11380709Sjake#define PAGE_MASK PAGE_MASK_8K 11486226Stmm#define PAGE_SHIFT_MAX PAGE_SHIFT_4M 11586226Stmm#define PAGE_SIZE_MAX PAGE_SIZE_4M 11686226Stmm#define PAGE_MASK_MAX PAGE_MASK_4M 11780709Sjake 118197316Salc#define MAXPAGESIZES 1 /* maximum number of supported page sizes */ 119197316Salc 120118239Speter#ifndef KSTACK_PAGES 12188781Sjake#define KSTACK_PAGES 4 /* pages of kernel stack (with pcb) */ 122118239Speter#endif 123116355Salc#define KSTACK_GUARD_PAGES 1 /* pages of kstack guard; 0 disables */ 12491360Sjake#define PCPU_PAGES 1 12583366Sjulian 126151344Skris/* 127151344Skris * Ceiling on size of buffer cache (really only effects write queueing, 128151344Skris * the VM page cache is not effected), can be changed via 129151344Skris * the kern.maxbcache /boot/loader.conf variable. 130151344Skris */ 131151344Skris#ifndef VM_BCACHE_SIZE_MAX 132151344Skris#define VM_BCACHE_SIZE_MAX (400 * 1024 * 1024) 133151344Skris#endif 13483366Sjulian 13580708Sjake/* 13680708Sjake * Mach derived conversion macros 13780708Sjake */ 13880709Sjake#define round_page(x) (((unsigned long)(x) + PAGE_MASK) & ~PAGE_MASK) 13980708Sjake#define trunc_page(x) ((unsigned long)(x) & ~PAGE_MASK) 14080708Sjake 14180708Sjake#define atop(x) ((unsigned long)(x) >> PAGE_SHIFT) 14280708Sjake#define ptoa(x) ((unsigned long)(x) << PAGE_SHIFT) 14380708Sjake 14480708Sjake#define sparc64_btop(x) ((unsigned long)(x) >> PAGE_SHIFT) 14580708Sjake#define sparc64_ptob(x) ((unsigned long)(x) << PAGE_SHIFT) 14680708Sjake 14780708Sjake#define pgtok(x) ((unsigned long)(x) * (PAGE_SIZE / 1024)) 14880708Sjake 149196994Sphk#endif /* !_SPARC64_INCLUDE_PARAM_H_ */ 150