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Annotation of XNU/osfmk/mach/ppc/vm_param.h, revision 1.1.1.1

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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