[apple/xnu.git] / osfmk / mach / ppc / vm_param.h


/*
 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */

#ifndef	_MACH_PPC_VM_PARAM_H_
#define _MACH_PPC_VM_PARAM_H_

/*
 * These are the global definitions
 */

#define BYTE_SIZE		8		/* byte size in bits */

#define PPC_PGBYTES		4096	/* bytes per ppc page */
#define PPC_PGSHIFT		12		/* number of bits to shift for pages */

#define	PAGE_SIZE		PPC_PGBYTES
#define	PAGE_SHIFT		PPC_PGSHIFT
#define PAGE_MASK		(PAGE_SIZE - 1)

#if 0
#define VM_MAX_PAGE_ADDRESS 0xFFFFFFFFFFFFF000ULL
#else
/* 
 * LP64todo - For now, we are limited to 51-bits of user addressing
 */
#define VM_MAX_PAGE_ADDRESS 0x0007FFFFFFFFF000ULL
#endif

#define MACH_VM_MIN_ADDRESS	((mach_vm_offset_t) 0)
#define MACH_VM_MAX_ADDRESS	((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS)

/*
 * These are the values relative to the local process.
 */
#if defined (__ppc64__)
/*
 * LP64todo - We don't have the 64-bit address space layout yet.
 * Use the 32-bit stack layout for now.
 */
#define VM_MIN_ADDRESS	((vm_offset_t) MACH_VM_MIN_ADDRESS)
#define VM_MAX_ADDRESS	((vm_offset_t) MACH_VM_MAX_ADDRESS)
#define USER_STACK_END  	((vm_offset_t) 0x00000000ffff0000ULL)
#else
#define VM_MIN_ADDRESS	((vm_offset_t) 0)
#define VM_MAX_ADDRESS	((vm_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
#define USER_STACK_END  	((vm_offset_t) 0xffff0000U)
#endif /* defined(__ppc64__) */

#ifdef	KERNEL_PRIVATE

/* Kernel-wide values */
#define VM_MIN_KERNEL_ADDRESS	((vm_offset_t) 0x00001000)
#define VM_MAX_KERNEL_ADDRESS	((vm_offset_t) 0xDFFFFFFF)
#define KERNEL_STACK_SIZE		(4 * PPC_PGBYTES)
#define INTSTACK_SIZE		(5 * PPC_PGBYTES)

#define VM_MAP_MIN_ADDRESS	MACH_VM_MIN_ADDRESS
#define VM_MAP_MAX_ADDRESS	MACH_VM_MAX_ADDRESS

#ifdef	MACH_KERNEL_PRIVATE

/* For implementing legacy 32-bit interfaces */
#define VM32_SUPPORT
#define VM32_MIN_ADDRESS	((vm32_offset_t) 0)
#define VM32_MAX_ADDRESS	((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))

#endif	/* MACH_KERNEL_PRIVATE */

#endif	/* KERNEL_PRIVATE */

#endif	/* _MACH_PPC_VM_PARAM_H_ */
Commit	Line	Data
55e303ae	1
1c79356b	2	/*
91447636	3	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
1c79356b	4	*
6601e61a	5	* @APPLE_LICENSE_HEADER_START@
1c79356b	6	*
6601e61a A	7	* The contents of this file constitute Original Code as defined in and
	8	* are subject to the Apple Public Source License Version 1.1 (the
	9	* "License"). You may not use this file except in compliance with the
	10	* License. Please obtain a copy of the License at
	11	* http://www.apple.com/publicsource and read it before using this file.
8f6c56a5	12	*
6601e61a A	13	* This Original Code and all software distributed under the License are
6601e61a A	14	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
6601e61a A	17	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	18	* License for the specific language governing rights and limitations
	19	* under the License.
8f6c56a5	20	*
6601e61a	21	* @APPLE_LICENSE_HEADER_END@
1c79356b A	22	*/
	23	/*
	24	* @OSF_COPYRIGHT@
	25	*/
91447636	26
1c79356b A	27	#ifndef _MACH_PPC_VM_PARAM_H_
	28	#define _MACH_PPC_VM_PARAM_H_
	29
91447636 A	30	/*
	31	* These are the global definitions
	32	*/
1c79356b	33
91447636	34	#define BYTE_SIZE 8 /* byte size in bits */
1c79356b	35
91447636 A	36	#define PPC_PGBYTES 4096 /* bytes per ppc page */
91447636 A	37	#define PPC_PGSHIFT 12 /* number of bits to shift for pages */
55e303ae	38
91447636 A	39	#define PAGE_SIZE PPC_PGBYTES
	40	#define PAGE_SHIFT PPC_PGSHIFT
	41	#define PAGE_MASK (PAGE_SIZE - 1)
	42
	43	#if 0
	44	#define VM_MAX_PAGE_ADDRESS 0xFFFFFFFFFFFFF000ULL
	45	#else
	46	/*
	47	* LP64todo - For now, we are limited to 51-bits of user addressing
	48	*/
	49	#define VM_MAX_PAGE_ADDRESS 0x0007FFFFFFFFF000ULL
	50	#endif
	51
	52	#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0)
	53	#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS)
	54
	55	/*
	56	* These are the values relative to the local process.
	57	*/
	58	#if defined (__ppc64__)
	59	/*
	60	* LP64todo - We don't have the 64-bit address space layout yet.
	61	* Use the 32-bit stack layout for now.
	62	*/
	63	#define VM_MIN_ADDRESS ((vm_offset_t) MACH_VM_MIN_ADDRESS)
	64	#define VM_MAX_ADDRESS ((vm_offset_t) MACH_VM_MAX_ADDRESS)
	65	#define USER_STACK_END ((vm_offset_t) 0x00000000ffff0000ULL)
	66	#else
1c79356b	67	#define VM_MIN_ADDRESS ((vm_offset_t) 0)
55e303ae	68	#define VM_MAX_ADDRESS ((vm_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
91447636 A	69	#define USER_STACK_END ((vm_offset_t) 0xffff0000U)
91447636 A	70	#endif /* defined(__ppc64__) */
1c79356b	71
91447636	72	#ifdef KERNEL_PRIVATE
1c79356b	73
91447636 A	74	/* Kernel-wide values */
91447636 A	75	#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t) 0x00001000)
55e303ae	76	#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xDFFFFFFF)
91447636 A	77	#define KERNEL_STACK_SIZE (4 * PPC_PGBYTES)
91447636 A	78	#define INTSTACK_SIZE (5 * PPC_PGBYTES)
1c79356b	79
91447636 A	80	#define VM_MAP_MIN_ADDRESS MACH_VM_MIN_ADDRESS
91447636 A	81	#define VM_MAP_MAX_ADDRESS MACH_VM_MAX_ADDRESS
1c79356b	82
91447636 A	83	#ifdef MACH_KERNEL_PRIVATE
	84
	85	/* For implementing legacy 32-bit interfaces */
	86	#define VM32_SUPPORT
	87	#define VM32_MIN_ADDRESS ((vm32_offset_t) 0)
	88	#define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
	89
	90	#endif /* MACH_KERNEL_PRIVATE */
	91
	92	#endif /* KERNEL_PRIVATE */
1c79356b	93
91447636	94	#endif /* _MACH_PPC_VM_PARAM_H_ */