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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: /*
26: * Copyright (c) 1990 The University of Utah and
27: * the Center for Software Science at the University of Utah (CSS).
28: * All rights reserved.
29: *
30: * Permission to use, copy, modify and distribute this software is hereby
31: * granted provided that (1) source code retains these copyright, permission,
32: * and disclaimer notices, and (2) redistributions including binaries
33: * reproduce the notices in supporting documentation, and (3) all advertising
34: * materials mentioning features or use of this software display the following
35: * acknowledgement: ``This product includes software developed by the Center
36: * for Software Science at the University of Utah.''
37: *
38: * THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
39: * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
40: * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
41: *
42: * CSS requests users of this software to return to [email protected] any
43: * improvements that they make and grant CSS redistribution rights.
44: *
45: * Utah $Hdr: pmap.h 1.13 91/09/25$
46: * Author: Mike Hibler, Bob Wheeler, University of Utah CSS, 9/90
47: */
48:
49: #ifndef _PPC_PMAP_H_
50: #define _PPC_PMAP_H_
51:
52: #include <mach/vm_types.h>
53: #include <mach/machine/vm_types.h>
54: #include <mach/vm_prot.h>
55: #include <mach/vm_statistics.h>
56: #include <kern/queue.h>
57:
58:
59: struct pmap {
60: queue_head_t pmap_link; /* MUST BE FIRST */
61: decl_simple_lock_data(,lock) /* lock on map */
62: int ref_count; /* reference count */
63: space_t space; /* space for this pmap */
64: struct pmap_statistics stats; /* statistics */
65: };
66:
67: #define PMAP_SWITCH_USER(th, map, my_cpu) th->map = map;
68:
69: #define PMAP_ACTIVATE(pmap, th, cpu)
70: #define PMAP_DEACTIVATE(pmap, th, cpu)
71: #define PMAP_CONTEXT(pmap,th)
72:
73: #define pmap_kernel_va(VA) \
74: (((VA) >= VM_MIN_KERNEL_ADDRESS) && ((VA) <= VM_MAX_KERNEL_ADDRESS))
75:
76: #define PPC_SID_KERNEL 0 /* Must change KERNEL_SEG_REG0_VALUE if !0 */
77: #define SID_MAX ((1<<20) - 1) /* Space ID=20 bits, segment_id=SID + 4 bits */
78:
79: #define pmap_resident_count(pmap) ((pmap)->stats.resident_count)
80: #define pmap_remove_attributes(pmap,start,end)
81: #define pmap_copy(dpmap,spmap,da,len,sa)
82: #define pmap_update()
83:
84: #define pmap_phys_address(x) ((x) << PPC_PGSHIFT)
85: #define pmap_phys_to_frame(x) ((x) >> PPC_PGSHIFT)
86:
87: /*
88: * prototypes.
89: */
90: extern void ppc_protection_init(void);
91: extern vm_offset_t phystokv(vm_offset_t pa); /* Get kernel virtual address from physical */
92: extern vm_offset_t kvtophys(vm_offset_t va); /* Get physical address from kernel virtual */
93: extern vm_offset_t pmap_map(vm_offset_t va,
94: vm_offset_t spa,
95: vm_offset_t epa,
96: vm_prot_t prot);
97: extern kern_return_t pmap_add_physical_memory(vm_offset_t spa,
98: vm_offset_t epa,
99: boolean_t available,
100: unsigned int attr);
101: extern vm_offset_t pmap_map_bd(vm_offset_t va,
102: vm_offset_t spa,
103: vm_offset_t epa,
104: vm_prot_t prot);
105: extern void pmap_bootstrap(unsigned int mem_size,
106: vm_offset_t *first_avail,
107: vm_offset_t *first_phys_avail, unsigned int kmapsize);
108: extern void pmap_block_map(vm_offset_t pa,
109: vm_size_t size,
110: vm_prot_t prot,
111: int entry,
112: int dtlb);
113: extern void pmap_remove_all(vm_offset_t pa);
114:
115: extern boolean_t pmap_verify_free(vm_offset_t pa);
116: extern void pmap_move_page(unsigned long from, unsigned long to, vm_size_t size);
117: extern void sync_cache(vm_offset_t pa, unsigned length);
118: extern void flush_dcache(vm_offset_t va, unsigned length, boolean_t phys);
119: extern void invalidate_dcache(vm_offset_t va, unsigned length, boolean_t phys);
120: extern void invalidate_icache(vm_offset_t va, unsigned length, boolean_t phys);
121: extern void invalidate_cache_for_io(vm_offset_t va, unsigned length, boolean_t phys);
122:
123: #endif /* _PPC_PMAP_H_ */
124:
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