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+/* $NetBSD: param.h,v 1.2 2006/08/28 13:43:35 yamt Exp $ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ * 3. 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.
+ *
+ * @(#)param.h 5.8 (Berkeley) 6/28/91
+ */
+
+#ifndef _IA64_PARAM_H_
+#define _IA64_PARAM_H_
+
+/*
+ * Machine dependent constants for Intel Itanium.
+ */
+
+#define _MACHINE ia64
+#define MACHINE "ia64"
+#define _MACHINE_ARCH ia64
+#define MACHINE_ARCH "ia64"
+#define MID_MACHINE MID_IA64
+
+#ifdef SMP
+#define MAXCPU 16
+#else
+#define MAXCPU 1
+#endif
+
+#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
+#define DEV_BSIZE (1<<DEV_BSHIFT)
+#define BLKDEV_IOSIZE 2048
+
+#ifndef MAXPHYS
+#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */
+#endif
+
+#define UPAGES 4
+#define USPACE (UPAGES * NBPG) /* total size of u-area */
+
+#ifndef MSGBUFSIZE
+#define MSGBUFSIZE NBPG /* default message buffer size */
+#endif
+
+#ifndef KSTACK_PAGES
+#define KSTACK_PAGES 4 /* pages of kernel stack */
+#endif
+#define KSTACK_GUARD_PAGES 0 /* pages of kstack guard; 0 disables */
+
+/*
+ * Round p (pointer or byte index) up to a correctly-aligned value
+ * for all data types (int, long, ...). The result is u_int and
+ * must be cast to any desired pointer type.
+ *
+ * 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 ALIGNBYTES 15
+#define ALIGN(p) (((u_long)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0)
+
+#define ALIGNBYTES32 (sizeof(int) - 1)
+#define ALIGN32(p) (((u_long)(p) + ALIGNBYTES32) &~ALIGNBYTES32)
+
+#define PGSHIFT 14 /* LOG2(NBPG) */
+#define NBPG (1 << PGSHIFT) /* bytes/page */
+#define PGOFSET (NBPG-1) /* byte offset into page */
+#define NPTEPG (NBPG/(sizeof (pt_entry_t)))
+/*
+ * Constants related to network buffer management.
+ * MCLBYTES must be no larger than NBPG (the software page size), and,
+ * on machines that exchange pages of input or output buffers with mbuf
+ * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
+ * of the hardware page size.
+ */
+#define MSIZE 256 /* size of an mbuf */
+
+#ifndef MCLSHIFT
+#define MCLSHIFT 11 /* convert bytes to m_buf clusters */
+ /* 2K cluster can hold Ether frame */
+#endif /* MCLSHIFT */
+
+#define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */
+
+#ifndef NMBCLUSTERS
+#if defined(_KERNEL_OPT)
+#include "opt_gateway.h"
+#endif
+
+#ifdef GATEWAY
+#define NMBCLUSTERS 2048 /* map size, max cluster allocation */
+#else
+#define NMBCLUSTERS 1024 /* map size, max cluster allocation */
+#endif
+#endif
+
+/*
+ * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
+ * logical pages.
+ */
+#define NKMEMPAGES_MIN_DEFAULT ((12 * 1024 * 1024) >> PAGE_SHIFT)
+#define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT)
+
+/*
+ * Mach derived conversion macros
+ */
+
+#define ia64_round_page(x) ((((unsigned long)(x)) + NBPG - 1) & ~(NBPG - 1))
+#define ia64_trunc_page(x) ((unsigned long)(x) & ~(NBPG - 1))
+
+#define ia64_btop(x) ((unsigned long)(x) >> PGSHIFT)
+#define ia64_ptob(x) ((unsigned long)(x) << PGSHIFT)
+
+#ifdef _KERNEL
+#ifndef _LOCORE
+
+#include <machine/intr.h>
+
+#endif /* _LOCORE */
+#endif /* _KERNEL */
+
+#endif /* _IA64_PARAM_H_ */