mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
89bf8575ee
- mostly complete kernel pmap support, and tested but currently turned off userland pmap support - low level assembly language trap, context switching and support code - fully implemented atomic.h and supporting cpufunc.h - some support for kernel debugging with ddb - various header tweaks and filling out of machine dependent structures
168 lines
4.9 KiB
C
168 lines
4.9 KiB
C
/*-
|
|
* 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 UPAGES 2 /* pages of u-area */
|
|
|
|
/*
|
|
* 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 */
|