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

/*
 * Copyright (c) 2000-2005 Apple Computer, 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@
 */

#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) 0x00001000U)
#define VM_MIN_KERNEL_AND_KEXT_ADDRESS VM_MIN_KERNEL_ADDRESS
#define VM_MAX_KERNEL_ADDRESS	((vm_offset_t) 0xDFFFFFFFU)
#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		1
#define VM32_MIN_ADDRESS	((vm32_offset_t) 0)
#define VM32_MAX_ADDRESS	((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))


#define PMAP_ENTER_OPTIONS(pmap, virtual_address, page, protection,	\
				flags, wired, options, result)		\
	MACRO_BEGIN							\
		result=KERN_SUCCESS;					\
		PMAP_ENTER(pmap, virtual_address, page, protection,	\
				flags, wired);				\
	MACRO_END


#endif	/* MACH_KERNEL_PRIVATE */

#endif	/* KERNEL_PRIVATE */

#endif	/* _MACH_PPC_VM_PARAM_H_ */
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
1c79356b	3	*
2d21ac55 A	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
1c79356b	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
2d21ac55 A	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
8f6c56a5	17	*
2d21ac55 A	18	* The Original Code and all software distributed under the License are
2d21ac55 A	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
91447636	31
1c79356b A	32	#ifndef _MACH_PPC_VM_PARAM_H_
	33	#define _MACH_PPC_VM_PARAM_H_
	34
91447636 A	35	/*
	36	* These are the global definitions
	37	*/
1c79356b	38
91447636	39	#define BYTE_SIZE 8 /* byte size in bits */
1c79356b	40
91447636 A	41	#define PPC_PGBYTES 4096 /* bytes per ppc page */
91447636 A	42	#define PPC_PGSHIFT 12 /* number of bits to shift for pages */
55e303ae	43
91447636 A	44	#define PAGE_SIZE PPC_PGBYTES
	45	#define PAGE_SHIFT PPC_PGSHIFT
	46	#define PAGE_MASK (PAGE_SIZE - 1)
	47
	48	#if 0
	49	#define VM_MAX_PAGE_ADDRESS 0xFFFFFFFFFFFFF000ULL
	50	#else
	51	/*
	52	* LP64todo - For now, we are limited to 51-bits of user addressing
	53	*/
	54	#define VM_MAX_PAGE_ADDRESS 0x0007FFFFFFFFF000ULL
	55	#endif
	56
	57	#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0)
	58	#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS)
	59
	60	/*
	61	* These are the values relative to the local process.
	62	*/
	63	#if defined (__ppc64__)
	64	/*
	65	* LP64todo - We don't have the 64-bit address space layout yet.
	66	* Use the 32-bit stack layout for now.
	67	*/
	68	#define VM_MIN_ADDRESS ((vm_offset_t) MACH_VM_MIN_ADDRESS)
	69	#define VM_MAX_ADDRESS ((vm_offset_t) MACH_VM_MAX_ADDRESS)
	70	#define USER_STACK_END ((vm_offset_t) 0x00000000ffff0000ULL)
	71	#else
1c79356b	72	#define VM_MIN_ADDRESS ((vm_offset_t) 0)
55e303ae	73	#define VM_MAX_ADDRESS ((vm_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
91447636 A	74	#define USER_STACK_END ((vm_offset_t) 0xffff0000U)
91447636 A	75	#endif /* defined(__ppc64__) */
1c79356b	76
91447636	77	#ifdef KERNEL_PRIVATE
1c79356b	78
91447636	79	/* Kernel-wide values */
2d21ac55	80	#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t) 0x00001000U)
b0d623f7	81	#define VM_MIN_KERNEL_AND_KEXT_ADDRESS VM_MIN_KERNEL_ADDRESS
2d21ac55	82	#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xDFFFFFFFU)
91447636 A	83	#define KERNEL_STACK_SIZE (4 * PPC_PGBYTES)
91447636 A	84	#define INTSTACK_SIZE (5 * PPC_PGBYTES)
1c79356b	85
91447636 A	86	#define VM_MAP_MIN_ADDRESS MACH_VM_MIN_ADDRESS
91447636 A	87	#define VM_MAP_MAX_ADDRESS MACH_VM_MAX_ADDRESS
1c79356b	88
91447636 A	89	#ifdef MACH_KERNEL_PRIVATE
	90
	91	/* For implementing legacy 32-bit interfaces */
b0d623f7	92	#define VM32_SUPPORT 1
91447636 A	93	#define VM32_MIN_ADDRESS ((vm32_offset_t) 0)
	94	#define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
	95
d1ecb069 A	96
	97	#define PMAP_ENTER_OPTIONS(pmap, virtual_address, page, protection, \
	98	flags, wired, options, result) \
	99	MACRO_BEGIN \
	100	result=KERN_SUCCESS; \
	101	PMAP_ENTER(pmap, virtual_address, page, protection, \
	102	flags, wired); \
	103	MACRO_END
	104
	105
91447636 A	106	#endif /* MACH_KERNEL_PRIVATE */
	107
	108	#endif /* KERNEL_PRIVATE */
1c79356b	109
91447636	110	#endif /* _MACH_PPC_VM_PARAM_H_ */