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1/*
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
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.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31
32#ifndef _MACH_PPC_VM_PARAM_H_
33#define _MACH_PPC_VM_PARAM_H_
34
35/*
36 * These are the global definitions
37 */
38
39#define BYTE_SIZE 8 /* byte size in bits */
40
41#define PPC_PGBYTES 4096 /* bytes per ppc page */
42#define PPC_PGSHIFT 12 /* number of bits to shift for pages */
43
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
72#define VM_MIN_ADDRESS ((vm_offset_t) 0)
73#define VM_MAX_ADDRESS ((vm_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
74#define USER_STACK_END ((vm_offset_t) 0xffff0000U)
75#endif /* defined(__ppc64__) */
76
77#ifdef KERNEL_PRIVATE
78
79/* Kernel-wide values */
80#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t) 0x00001000U)
81#define VM_MIN_KERNEL_AND_KEXT_ADDRESS VM_MIN_KERNEL_ADDRESS
82#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xDFFFFFFFU)
83#define KERNEL_STACK_SIZE (4 * PPC_PGBYTES)
84#define INTSTACK_SIZE (5 * PPC_PGBYTES)
85
86#define VM_MAP_MIN_ADDRESS MACH_VM_MIN_ADDRESS
87#define VM_MAP_MAX_ADDRESS MACH_VM_MAX_ADDRESS
88
89#ifdef MACH_KERNEL_PRIVATE
90
91/* For implementing legacy 32-bit interfaces */
92#define VM32_SUPPORT 1
93#define VM32_MIN_ADDRESS ((vm32_offset_t) 0)
94#define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
95
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
106#endif /* MACH_KERNEL_PRIVATE */
107
108#endif /* KERNEL_PRIVATE */
109
110#endif /* _MACH_PPC_VM_PARAM_H_ */