131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/*-
|
|
* Copyright (c) 2001 David E. O'Brien
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 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: @(#)param.h 5.8 (Berkeley) 6/28/91
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _POWERPC_INCLUDE_PARAM_H_
|
|
#define _POWERPC_INCLUDE_PARAM_H_
|
|
|
|
/*
|
|
* Machine dependent constants for PowerPC
|
|
*/
|
|
|
|
#include <machine/_align.h>
|
|
|
|
/* Needed to display interrupts on OFW PCI */
|
|
#define __PCI_REROUTE_INTERRUPT
|
|
|
|
#ifndef MACHINE
|
|
#define MACHINE "powerpc"
|
|
#endif
|
|
#ifndef MACHINE_ARCH
|
|
#ifdef __powerpc64__
|
|
#define MACHINE_ARCH "powerpc64"
|
|
#else
|
|
#define MACHINE_ARCH "powerpc"
|
|
#endif
|
|
#endif
|
|
#define MID_MACHINE MID_POWERPC
|
|
#ifdef __powerpc64__
|
|
#ifndef MACHINE_ARCH32
|
|
#define MACHINE_ARCH32 "powerpc"
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(SMP) || defined(KLD_MODULE)
|
|
#ifndef MAXCPU
|
|
#define MAXCPU 32
|
|
#endif
|
|
#else
|
|
#define MAXCPU 1
|
|
#endif /* SMP || KLD_MODULE */
|
|
|
|
#ifndef MAXMEMDOM
|
|
#define MAXMEMDOM 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) ((((uintptr_t)(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)
|
|
|
|
#define PAGE_SHIFT 12
|
|
#define PAGE_SIZE (1L << PAGE_SHIFT) /* Page size */
|
|
#define PAGE_MASK (vm_offset_t)(PAGE_SIZE - 1)
|
|
#define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t)))
|
|
|
|
#define MAXPAGESIZES 1 /* maximum number of supported page sizes */
|
|
|
|
#ifndef KSTACK_PAGES
|
|
#ifdef __powerpc64__
|
|
#define KSTACK_PAGES 8 /* includes pcb */
|
|
#else
|
|
#define KSTACK_PAGES 4 /* includes pcb */
|
|
#endif
|
|
#endif
|
|
#define KSTACK_GUARD_PAGES 1 /* pages of kstack guard; 0 disables */
|
|
#define USPACE (KSTACK_PAGES * PAGE_SIZE) /* total size of pcb */
|
|
|
|
/*
|
|
* Mach derived conversion macros
|
|
*/
|
|
#define trunc_page(x) ((unsigned long)(x) & ~(PAGE_MASK))
|
|
#define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)
|
|
|
|
#define atop(x) ((unsigned long)(x) >> PAGE_SHIFT)
|
|
#define ptoa(x) ((unsigned long)(x) << PAGE_SHIFT)
|
|
|
|
#define powerpc_btop(x) ((unsigned long)(x) >> PAGE_SHIFT)
|
|
#define powerpc_ptob(x) ((unsigned long)(x) << PAGE_SHIFT)
|
|
|
|
#define pgtok(x) ((x) * (PAGE_SIZE / 1024UL))
|
|
|
|
#endif /* !_POWERPC_INCLUDE_PARAM_H_ */
|