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/* $FreeBSD: release/9.1.0/sys/ia64/include/param.h 224217 2011-07-19 13:00:30Z attilio $ */ /* From: NetBSD: param.h,v 1.20 1997/09/19 13:52:53 leo Exp */ /*- * Copyright (c) 1988 University of Utah. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: machparam.h 1.11 89/08/14$ * * @(#)param.h 8.1 (Berkeley) 6/10/93 */ #ifndef _IA64_INCLUDE_PARAM_H_ #define _IA64_INCLUDE_PARAM_H_ /* * Machine dependent constants for the IA64. */ #include <machine/_align.h> #define __HAVE_ACPI #define __PCI_REROUTE_INTERRUPT #ifndef MACHINE #define MACHINE "ia64" #endif #ifndef MACHINE_ARCH #define MACHINE_ARCH "ia64" #endif #ifndef MACHINE_ARCH32 #define MACHINE_ARCH32 "i386" #endif #if defined(SMP) || defined(KLD_MODULE) #ifndef MAXCPU #define MAXCPU 64 #endif #else #define MAXCPU 1 #endif #define ALIGNBYTES _ALIGNBYTES #define ALIGN(p) _ALIGN(p) /* * ALIGNED_POINTER is a boolean macro that checks whether an address * is valid to fetch data elements of type t from on this architecture. * This does not reflect the optimal alignment, just the possibility * (within reasonable limits). */ #define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) /* * CACHE_LINE_SIZE is the compile-time maximum cache line size for an * architecture. It should be used with appropriate caution. */ #define CACHE_LINE_SHIFT 7 #define CACHE_LINE_SIZE (1 << CACHE_LINE_SHIFT) #ifndef LOG2_PAGE_SIZE #define LOG2_PAGE_SIZE 13 /* 8K pages by default. */ #endif #define PAGE_SHIFT (LOG2_PAGE_SIZE) #define PAGE_SIZE (1<<(LOG2_PAGE_SIZE)) #define PAGE_MASK (PAGE_SIZE-1) #define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t))) #define MAXPAGESIZES 1 /* maximum number of supported page sizes */ #ifndef KSTACK_PAGES #define KSTACK_PAGES 4 /* pages of kernel stack */ #endif #define KSTACK_GUARD_PAGES 0 /* pages of kstack guard; 0 disables */ /* * Mach derived conversion macros */ #define round_page(x) ((((unsigned long)(x)) + PAGE_MASK) & ~(PAGE_MASK)) #define trunc_page(x) ((unsigned long)(x) & ~(PAGE_MASK)) #define atop(x) ((unsigned long)(x) >> PAGE_SHIFT) #define ptoa(x) ((unsigned long)(x) << PAGE_SHIFT) #define ia64_btop(x) ((unsigned long)(x) >> PAGE_SHIFT) #define ia64_ptob(x) ((unsigned long)(x) << PAGE_SHIFT) #define pgtok(x) ((x) * (PAGE_SIZE / 1024)) #endif /* !_IA64_INCLUDE_PARAM_H_ */