164 lines
6.3 KiB
C
164 lines
6.3 KiB
C
/*
|
|
* Copyright (c) 2000-2012 Apple Inc. All rights reserved.
|
|
*
|
|
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
|
|
*
|
|
* This file contains Original Code and/or Modifications of Original Code
|
|
* as defined in and that are subject to the Apple Public Source License
|
|
* Version 2.0 (the 'License'). You may not use this file except in
|
|
* compliance with the License. The rights granted to you under the License
|
|
* may not be used to create, or enable the creation or redistribution of,
|
|
* unlawful or unlicensed copies of an Apple operating system, or to
|
|
* circumvent, violate, or enable the circumvention or violation of, any
|
|
* terms of an Apple operating system software license agreement.
|
|
*
|
|
* Please obtain a copy of the License at
|
|
* http://www.opensource.apple.com/apsl/ and read it before using this file.
|
|
*
|
|
* The Original Code and all software distributed under the License are
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
|
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
|
|
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
|
|
* Please see the License for the specific language governing rights and
|
|
* limitations under the License.
|
|
*
|
|
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
|
|
*/
|
|
/*
|
|
* @OSF_COPYRIGHT@
|
|
*/
|
|
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie Mellon
|
|
* the rights to redistribute these changes.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1994 The University of Utah and
|
|
* the Computer Systems Laboratory at the University of Utah (CSL).
|
|
* All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software is hereby
|
|
* granted provided that (1) source code retains these copyright, permission,
|
|
* and disclaimer notices, and (2) redistributions including binaries
|
|
* reproduce the notices in supporting documentation, and (3) all advertising
|
|
* materials mentioning features or use of this software display the following
|
|
* acknowledgement: ``This product includes software developed by the
|
|
* Computer Systems Laboratory at the University of Utah.''
|
|
*
|
|
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
|
|
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
|
|
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
|
|
* improvements that they make and grant CSL redistribution rights.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* File: vm_param.h
|
|
* Author: Avadis Tevanian, Jr.
|
|
* Date: 1985
|
|
*
|
|
* I386 machine dependent virtual memory parameters.
|
|
* Most of the declarations are preceeded by I386_ (or i386_)
|
|
* which is OK because only I386 specific code will be using
|
|
* them.
|
|
*/
|
|
|
|
#ifndef _MACH_I386_VM_PARAM_H_
|
|
#define _MACH_I386_VM_PARAM_H_
|
|
|
|
#if defined (__i386__) || defined (__x86_64__)
|
|
|
|
#if !defined(KERNEL) && !defined(__ASSEMBLER__)
|
|
|
|
#include <mach/vm_page_size.h>
|
|
#endif
|
|
|
|
#define BYTE_SIZE 8 /* byte size in bits */
|
|
|
|
#define I386_PGBYTES 4096 /* bytes per 80386 page */
|
|
#define I386_PGSHIFT 12 /* bitshift for pages */
|
|
|
|
|
|
#if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || (__MAC_OS_X_VERSION_MIN_REQUIRED < 101600)
|
|
#define PAGE_SHIFT I386_PGSHIFT
|
|
#define PAGE_SIZE I386_PGBYTES
|
|
#define PAGE_MASK (PAGE_SIZE-1)
|
|
#else /* !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || (__MAC_OS_X_VERSION_MIN_REQUIRED < 101600) */
|
|
#define PAGE_SHIFT vm_page_shift
|
|
#define PAGE_SIZE vm_page_size
|
|
#define PAGE_MASK vm_page_mask
|
|
#endif /* !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || (__MAC_OS_X_VERSION_MIN_REQUIRED < 101600) */
|
|
|
|
#define PAGE_MAX_SHIFT 14
|
|
#define PAGE_MAX_SIZE (1 << PAGE_MAX_SHIFT)
|
|
#define PAGE_MAX_MASK (PAGE_MAX_SIZE-1)
|
|
|
|
#define PAGE_MIN_SHIFT 12
|
|
#define PAGE_MIN_SIZE (1 << PAGE_MIN_SHIFT)
|
|
#define PAGE_MIN_MASK (PAGE_MIN_SIZE-1)
|
|
|
|
|
|
#define VM_MIN_ADDRESS64 ((user_addr_t) 0x0000000000000000ULL)
|
|
/*
|
|
* Default top of user stack, grows down from here.
|
|
* Address chosen to be 1G (3rd level page table entry) below SHARED_REGION_BASE_X86_64
|
|
* minus additional 1Meg (1/2 1st level page table coverage) to allow a redzone after it.
|
|
*/
|
|
#define VM_USRSTACK64 ((user_addr_t) (0x00007FF7C0000000ull - (1024 * 1024)))
|
|
|
|
/*
|
|
* XXX TODO: Obsolete?
|
|
*/
|
|
#define VM_DYLD64 ((user_addr_t) 0x00007FFF5FC00000ULL)
|
|
#define VM_LIB64_SHR_DATA ((user_addr_t) 0x00007FFF60000000ULL)
|
|
#define VM_LIB64_SHR_TEXT ((user_addr_t) 0x00007FFF80000000ULL)
|
|
/*
|
|
* the end of the usable user address space , for now about 47 bits.
|
|
* the 64 bit commpage is past the end of this
|
|
*/
|
|
#define VM_MAX_PAGE_ADDRESS ((user_addr_t) 0x00007FFFFFE00000ULL)
|
|
/*
|
|
* canonical end of user address space for limits checking
|
|
*/
|
|
#define VM_MAX_USER_PAGE_ADDRESS ((user_addr_t)0x00007FFFFFFFF000ULL)
|
|
|
|
|
|
/* system-wide values */
|
|
#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0)
|
|
#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS)
|
|
|
|
/* process-relative values (all 32-bit legacy only for now) */
|
|
#define VM_MIN_ADDRESS ((vm_offset_t) 0)
|
|
#define VM_USRSTACK32 ((vm_offset_t) 0xC0000000) /* ASLR slides stack down by up to 1 MB */
|
|
#define VM_MAX_ADDRESS ((vm_offset_t) 0xFFE00000)
|
|
|
|
|
|
|
|
#endif /* defined (__i386__) || defined (__x86_64__) */
|
|
|
|
#endif /* _MACH_I386_VM_PARAM_H_ */
|