/* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_OSREFERENCE_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_LICENSE_OSREFERENCE_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) 0x00001000) #define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xDFFFFFFF) #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 #define VM32_MIN_ADDRESS ((vm32_offset_t) 0) #define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF)) #endif /* MACH_KERNEL_PRIVATE */ #endif /* KERNEL_PRIVATE */ #endif /* _MACH_PPC_VM_PARAM_H_ */