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/*-
* 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.
*
* 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: @(#)param.h 5.8 (Berkeley) 6/28/91
* $FreeBSD$
*/
/*
* Machine dependent constants for sparc64.
*/
#define TODO \
panic("implement " __func__)
/*
* Round p (pointer or byte index) up to a correctly-aligned value
* for all data types (int, long, ...). The result is unsigned int
* and must be cast to any desired pointer type.
*/
#ifndef _ALIGNBYTES
#define _ALIGNBYTES 0xf
#endif
#ifndef _ALIGN
#define _ALIGN(p) (((u_long)(p) + _ALIGNBYTES) & ~_ALIGNBYTES)
#endif
#ifndef _MACHINE
#define _MACHINE sparc64
#endif
#ifndef _MACHINE_ARCH
#define _MACHINE_ARCH sparc64
#endif
#ifndef _NO_NAMESPACE_POLLUTION
#ifndef _MACHINE_PARAM_H_
#define _MACHINE_PARAM_H_
#ifndef MACHINE
#define MACHINE "sparc64"
#endif
#ifndef MACHINE_ARCH
#define MACHINE_ARCH "sparc64"
#endif
#define MID_MACHINE MID_SPARC64
/*
* OBJFORMAT_NAMES is a comma-separated list of the object formats
* that are supported on the architecture.
*/
#define OBJFORMAT_NAMES "elf"
#define OBJFORMAT_DEFAULT "elf"
#ifdef SMP
#define MAXCPU 16
#else
#define MAXCPU 1
#endif /* SMP */
#define ALIGNBYTES _ALIGNBYTES
#define ALIGN(p) _ALIGN(p)
#define PAGE_SHIFT_8K 13
#define PAGE_SIZE_8K (1<<PAGE_SHIFT_8K)
#define PAGE_MASK_8K (PAGE_SIZE_8K-1)
#define PAGE_SHIFT_64K 16
#define PAGE_SIZE_64K (1<<PAGE_SHIFT_64K)
#define PAGE_MASK_64K (PAGE_SIZE_64K-1)
#define PAGE_SHIFT_512K 19
#define PAGE_SIZE_512K (1<<PAGE_SHIFT_512K)
#define PAGE_MASK_512K (PAGE_SIZE_512K-1)
#define PAGE_SHIFT_4M 22
#define PAGE_SIZE_4M (1<<PAGE_SHIFT_4M)
#define PAGE_MASK_4M (PAGE_SIZE_4M-1)
#define PAGE_SHIFT PAGE_SHIFT_8K /* LOG2(PAGE_SIZE) */
#define PAGE_SIZE PAGE_SIZE_8K /* bytes/page */
#define PAGE_MASK PAGE_MASK_8K
#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
#define DEV_BSIZE (1<<DEV_BSHIFT)
#ifndef BLKDEV_IOSIZE
#define BLKDEV_IOSIZE PAGE_SIZE /* default block device I/O size */
#endif
#define DFLTPHYS (64 * 1024) /* default max raw I/O transfer size */
#define MAXPHYS (128 * 1024) /* max raw I/O transfer size */
#define MAXDUMPPGS (DFLTPHYS/PAGE_SIZE)
#define IOPAGES 2 /* pages of i/o permission bitmap */
#define KSTACK_PAGES 4 /* pages of kernel stack (with pcb) */
#define UAREA_PAGES 1 /* pages of user area */
/* #define KSTACK_GUARD */ /* compile in kstack guard page */
/*
* Constants related to network buffer management.
* MCLBYTES must be no larger than PAGE_SIZE.
*/
#ifndef MSIZE
#define MSIZE 256 /* size of an mbuf */
#endif /* MSIZE */
#ifndef MCLSHIFT
#define MCLSHIFT 11 /* convert bytes to mbuf clusters */
#endif /* MCLSHIFT */
#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */
/*
* Some macros for units conversion
*/
/* clicks to bytes */
#define ctob(x) ((unsigned long)(x)<<PAGE_SHIFT)
/* bytes to clicks */
#define btoc(x) (((unsigned long)(x)+PAGE_MASK)>>PAGE_SHIFT)
/* bytes to disk blocks */
#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \
(daddr_t)((unsigned long)(bytes) >> DEV_BSHIFT)
/* disk blocks to bytes */
#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \
(off_t)((unsigned long)(db) << DEV_BSHIFT)
/*
* 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 sparc64_btop(x) ((unsigned long)(x) >> PAGE_SHIFT)
#define sparc64_ptob(x) ((unsigned long)(x) << PAGE_SHIFT)
#define pgtok(x) ((unsigned long)(x) * (PAGE_SIZE / 1024))
#endif /* !_MACHINE_PARAM_H_ */
#endif /* !_NO_NAMESPACE_POLLUTION */
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