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Annotation of XNU/osfmk/mach/ppc/vm_param.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: #ifndef        _MACH_PPC_VM_PARAM_H_
        !            26: #define _MACH_PPC_VM_PARAM_H_
        !            27: 
        !            28: #define BYTE_SIZE      8       /* byte size in bits */
        !            29: 
        !            30: #define PPC_PGBYTES    4096    /* bytes per ppc page */
        !            31: #define PPC_PGSHIFT    12      /* number of bits to shift for pages */
        !            32: 
        !            33: #define VM_MIN_ADDRESS ((vm_offset_t) 0)
        !            34: #define VM_MAX_ADDRESS ((vm_offset_t) 0xfffff000U)
        !            35: 
        !            36: #define VM_MIN_KERNEL_ADDRESS  ((vm_offset_t) 0x00001000)
        !            37: 
        !            38: /* We map the kernel using only SR0,SR1,SR2,SR3 leaving segments alone */
        !            39: #define VM_MAX_KERNEL_ADDRESS  ((vm_offset_t) 0x3fffffff)
        !            40: 
        !            41: #define USER_STACK_END  ((vm_offset_t) 0xffff0000U)
        !            42: 
        !            43: #define ppc_round_page(x)      ((((unsigned)(x)) + PPC_PGBYTES - 1) & \
        !            44:                                        ~(PPC_PGBYTES-1))
        !            45: #define ppc_trunc_page(x)      (((unsigned)(x)) & ~(PPC_PGBYTES-1))
        !            46: 
        !            47: 
        !            48: #define KERNEL_STACK_SIZE      (4 * PPC_PGBYTES)
        !            49: #define INTSTACK_SIZE          (5 * PPC_PGBYTES)
        !            50: 
        !            51: #endif /* _PPC_VM_PARAM_H_ */

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