| | 1 | |
| | 2 | /* |
| | 3 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 4 | * |
| | 5 | * @APPLE_LICENSE_HEADER_START@ |
| | 6 | * |
| | 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. |
| | 12 | * |
| | 13 | * This Original Code and all software distributed under the License are |
| | 14 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 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. |
| | 20 | * |
| | 21 | * @APPLE_LICENSE_HEADER_END@ |
| | 22 | */ |
| | 23 | /* |
| | 24 | * @OSF_COPYRIGHT@ |
| | 25 | */ |
| | 26 | |
| | 27 | #ifndef _MACH_PPC_VM_PARAM_H_ |
| | 28 | #define _MACH_PPC_VM_PARAM_H_ |
| | 29 | |
| | 30 | /* |
| | 31 | * These are the global definitions |
| | 32 | */ |
| | 33 | |
| | 34 | #define BYTE_SIZE 8 /* byte size in bits */ |
| | 35 | |
| | 36 | #define PPC_PGBYTES 4096 /* bytes per ppc page */ |
| | 37 | #define PPC_PGSHIFT 12 /* number of bits to shift for pages */ |
| | 38 | |
| | 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 |
| | 67 | #define VM_MIN_ADDRESS ((vm_offset_t) 0) |
| | 68 | #define VM_MAX_ADDRESS ((vm_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF)) |
| | 69 | #define USER_STACK_END ((vm_offset_t) 0xffff0000U) |
| | 70 | #endif /* defined(__ppc64__) */ |
| | 71 | |
| | 72 | #ifdef KERNEL_PRIVATE |
| | 73 | |
| | 74 | /* Kernel-wide values */ |
| | 75 | #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t) 0x00001000) |
| | 76 | #define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xDFFFFFFF) |
| | 77 | #define KERNEL_STACK_SIZE (4 * PPC_PGBYTES) |
| | 78 | #define INTSTACK_SIZE (5 * PPC_PGBYTES) |
| | 79 | |
| | 80 | #define VM_MAP_MIN_ADDRESS MACH_VM_MIN_ADDRESS |
| | 81 | #define VM_MAP_MAX_ADDRESS MACH_VM_MAX_ADDRESS |
| | 82 | |
| | 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 */ |
| | 93 | |
| | 94 | #endif /* _MACH_PPC_VM_PARAM_H_ */ |
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