| 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 | ␊ |
| 78 | #endif␉/* _MACH_PPC_VM_PARAM_H_ */␊ |
| 79 | |
