| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2004 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_VM_TYPES_H_␊ |
| 33 | #define _MACH_VM_TYPES_H_␊ |
| 34 | ␊ |
| 35 | #include <mach/port.h>␊ |
| 36 | #include <mach/machine/vm_types.h>␊ |
| 37 | ␊ |
| 38 | #include <stdint.h>␊ |
| 39 | ␊ |
| 40 | typedef vm_offset_t ␉pointer_t;␊ |
| 41 | typedef vm_offset_t ␉vm_address_t;␊ |
| 42 | ␊ |
| 43 | /*␊ |
| 44 | * We use addr64_t for 64-bit addresses that are used on both␊ |
| 45 | * 32 and 64-bit machines. On PPC, they are passed and returned as␊ |
| 46 | * two adjacent 32-bit GPRs. We use addr64_t in places where␊ |
| 47 | * common code must be useable both on 32 and 64-bit machines.␊ |
| 48 | */␊ |
| 49 | typedef uint64_t addr64_t;␉␉/* Basic effective address */␊ |
| 50 | ␊ |
| 51 | /*␊ |
| 52 | * We use reg64_t for addresses that are 32 bits on a 32-bit␊ |
| 53 | * machine, and 64 bits on a 64-bit machine, but are always␊ |
| 54 | * passed and returned in a single GPR on PPC. This type␊ |
| 55 | * cannot be used in generic 32-bit c, since on a 64-bit␊ |
| 56 | * machine the upper half of the register will be ignored␊ |
| 57 | * by the c compiler in 32-bit mode. In c, we can only use the␊ |
| 58 | * type in prototypes of functions that are written in and called␊ |
| 59 | * from assembly language. This type is basically a comment.␊ |
| 60 | */␊ |
| 61 | typedef␉uint32_t␉reg64_t;␊ |
| 62 | ␊ |
| 63 | /*␊ |
| 64 | * To minimize the use of 64-bit fields, we keep some physical␊ |
| 65 | * addresses (that are page aligned) as 32-bit page numbers. ␊ |
| 66 | * This limits the physical address space to 16TB of RAM.␊ |
| 67 | */␊ |
| 68 | typedef uint32_t ppnum_t;␉␉/* Physical page number */␊ |
| 69 | #define PPNUM_MAX UINT32_MAX␊ |
| 70 | ␊ |
| 71 | ␊ |
| 72 | ␊ |
| 73 | typedef mach_port_t␉␉vm_map_t;␊ |
| 74 | ␊ |
| 75 | ␊ |
| 76 | #define VM_MAP_NULL␉␉((vm_map_t) 0)␊ |
| 77 | ␊ |
| 78 | /*␊ |
| 79 | * Evolving definitions, likely to change.␊ |
| 80 | */␊ |
| 81 | ␊ |
| 82 | typedef uint64_t␉␉vm_object_offset_t;␊ |
| 83 | typedef uint64_t␉␉vm_object_size_t;␊ |
| 84 | ␊ |
| 85 | ␊ |
| 86 | typedef mach_port_t␉␉upl_t;␊ |
| 87 | typedef mach_port_t␉␉vm_named_entry_t;␊ |
| 88 | ␊ |
| 89 | ␊ |
| 90 | #define UPL_NULL␉␉((upl_t) 0)␊ |
| 91 | #define VM_NAMED_ENTRY_NULL␉((vm_named_entry_t) 0)␊ |
| 92 | ␊ |
| 93 | #endif␉/* _MACH_VM_TYPES_H_ */␊ |
| 94 | |
