1b2d9f0653
quantities on every other architecture.) This change is required in order to move pmap_prefault() out of the pmap and into the machine-independent layer.
131 lines
3.9 KiB
C
131 lines
3.9 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.
|
|
*/
|
|
|
|
/*
|
|
* 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
|
|
|
|
#ifdef SMP
|
|
#define MAXCPU 16
|
|
#else
|
|
#define MAXCPU 1
|
|
#endif /* SMP */
|
|
|
|
#define INT_SHIFT 2
|
|
#define PTR_SHIFT 3
|
|
|
|
#define ALIGNBYTES _ALIGNBYTES
|
|
#define ALIGN(p) _ALIGN(p)
|
|
|
|
#define PAGE_SHIFT_8K 13
|
|
#define PAGE_SIZE_8K (1L<<PAGE_SHIFT_8K)
|
|
#define PAGE_MASK_8K (PAGE_SIZE_8K-1)
|
|
|
|
#define PAGE_SHIFT_64K 16
|
|
#define PAGE_SIZE_64K (1L<<PAGE_SHIFT_64K)
|
|
#define PAGE_MASK_64K (PAGE_SIZE_64K-1)
|
|
|
|
#define PAGE_SHIFT_512K 19
|
|
#define PAGE_SIZE_512K (1L<<PAGE_SHIFT_512K)
|
|
#define PAGE_MASK_512K (PAGE_SIZE_512K-1)
|
|
|
|
#define PAGE_SHIFT_4M 22
|
|
#define PAGE_SIZE_4M (1L<<PAGE_SHIFT_4M)
|
|
#define PAGE_MASK_4M (PAGE_SIZE_4M-1)
|
|
|
|
#define PAGE_SHIFT_MIN PAGE_SHIFT_8K
|
|
#define PAGE_SIZE_MIN PAGE_SIZE_8K
|
|
#define PAGE_MASK_MIN PAGE_MASK_8K
|
|
#define PAGE_SHIFT PAGE_SHIFT_8K /* LOG2(PAGE_SIZE) */
|
|
#define PAGE_SIZE PAGE_SIZE_8K /* bytes/page */
|
|
#define PAGE_MASK PAGE_MASK_8K
|
|
#define PAGE_SHIFT_MAX PAGE_SHIFT_4M
|
|
#define PAGE_SIZE_MAX PAGE_SIZE_4M
|
|
#define PAGE_MASK_MAX PAGE_MASK_4M
|
|
|
|
#ifndef KSTACK_PAGES
|
|
#define KSTACK_PAGES 4 /* pages of kernel stack (with pcb) */
|
|
#endif
|
|
#define KSTACK_GUARD_PAGES 1 /* pages of kstack guard; 0 disables */
|
|
#define UAREA_PAGES 1 /* pages of user area */
|
|
#define PCPU_PAGES 1
|
|
|
|
|
|
/*
|
|
* 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 */
|