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Source at commit 1270 created 12 years 11 months ago. By meklort, Add arm headers. update makefiles | |
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1 | /*␊ |
2 | * Copyright (c) 2000-2007 Apple Inc. All rights reserved.␊ |
3 | */␊ |
4 | /*-␊ |
5 | * Copyright (c) 1990, 1993␊ |
6 | *␉The Regents of the University of California. All rights reserved.␊ |
7 | * (c) UNIX System Laboratories, Inc.␊ |
8 | * All or some portions of this file are derived from material licensed␊ |
9 | * to the University of California by American Telephone and Telegraph␊ |
10 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with␊ |
11 | * the permission of UNIX System Laboratories, Inc.␊ |
12 | *␊ |
13 | * Redistribution and use in source and binary forms, with or without␊ |
14 | * modification, are permitted provided that the following conditions␊ |
15 | * are met:␊ |
16 | * 1. Redistributions of source code must retain the above copyright␊ |
17 | * notice, this list of conditions and the following disclaimer.␊ |
18 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
19 | * notice, this list of conditions and the following disclaimer in the␊ |
20 | * documentation and/or other materials provided with the distribution.␊ |
21 | * 3. All advertising materials mentioning features or use of this software␊ |
22 | * must display the following acknowledgement:␊ |
23 | *␉This product includes software developed by the University of␊ |
24 | *␉California, Berkeley and its contributors.␊ |
25 | * 4. Neither the name of the University nor the names of its contributors␊ |
26 | * may be used to endorse or promote products derived from this software␊ |
27 | * without specific prior written permission.␊ |
28 | *␊ |
29 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
30 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
35 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
36 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
37 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
38 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
39 | * SUCH DAMAGE.␊ |
40 | *␊ |
41 | *␉@(#)param.h␉8.1 (Berkeley) 4/4/95␊ |
42 | */␊ |
43 | ␊ |
44 | /*␊ |
45 | * Machine dependent constants for ARM␊ |
46 | */␊ |
47 | ␊ |
48 | #ifndef _ARM_PARAM_H_␊ |
49 | #define _ARM_PARAM_H_␊ |
50 | ␊ |
51 | /*␊ |
52 | * Round p (pointer or byte index) up to a correctly-aligned value for all␊ |
53 | * data types (int, long, ...). The result is unsigned int and must be␊ |
54 | * cast to any desired pointer type.␊ |
55 | */␊ |
56 | #define␉ALIGNBYTES␉3␊ |
57 | #define␉ALIGN(p)␉(((unsigned int)(p) + ALIGNBYTES) &~ ALIGNBYTES)␊ |
58 | ␊ |
59 | #define␉NBPG␉␉4096␉␉/* bytes/page */␊ |
60 | #define␉PGOFSET␉␉(NBPG-1)␉/* byte offset into page */␊ |
61 | #define␉PGSHIFT␉␉12␉␉/* LOG2(NBPG) */␊ |
62 | ␊ |
63 | #define␉DEV_BSIZE␉512␊ |
64 | #define␉DEV_BSHIFT␉9␉␉/* log2(DEV_BSIZE) */␊ |
65 | #define BLKDEV_IOSIZE␉2048␊ |
66 | #define␉MAXPHYS␉␉(64 * 1024)␉/* max raw I/O transfer size */␊ |
67 | ␊ |
68 | #define␉CLSIZE␉␉1␊ |
69 | #define␉CLSIZELOG2␉0␊ |
70 | ␊ |
71 | /*␊ |
72 | * Constants related to network buffer management.␊ |
73 | * MCLBYTES must be no larger than CLBYTES (the software page size), and,␊ |
74 | * on machines that exchange pages of input or output buffers with mbuf␊ |
75 | * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple␊ |
76 | * of the hardware page size.␊ |
77 | */␊ |
78 | #define␉MSIZE␉␉256␉␉␉/* size of an mbuf */␊ |
79 | #define␉MCLBYTES␉2048␉␉/* large enough for ether MTU */␊ |
80 | #define␉MCLSHIFT␉11␊ |
81 | #define␉MCLOFSET␉(MCLBYTES - 1)␊ |
82 | #ifndef NMBCLUSTERS␊ |
83 | #define␉NMBCLUSTERS␉CONFIG_NMBCLUSTERS␉/* cl map size */␊ |
84 | #endif␊ |
85 | ␊ |
86 | /*␊ |
87 | * Some macros for units conversion␊ |
88 | */␊ |
89 | /* Core clicks (NeXT_page_size bytes) to segments and vice versa */␊ |
90 | #define␉ctos(x)␉(x)␊ |
91 | #define␉stoc(x)␉(x)␊ |
92 | ␊ |
93 | /* Core clicks (4096 bytes) to disk blocks */␊ |
94 | #define␉ctod(x)␉((x)<<(PGSHIFT-DEV_BSHIFT))␊ |
95 | #define␉dtoc(x)␉((x)>>(PGSHIFT-DEV_BSHIFT))␊ |
96 | #define␉dtob(x)␉((x)<<DEV_BSHIFT)␊ |
97 | ␊ |
98 | /* clicks to bytes */␊ |
99 | #define␉ctob(x)␉((x)<<PGSHIFT)␊ |
100 | ␊ |
101 | /* bytes to clicks */␊ |
102 | #define␉btoc(x)␉(((unsigned)(x)+(NBPG-1))>>PGSHIFT)␊ |
103 | ␊ |
104 | #ifdef __APPLE__␊ |
105 | #define btodb(bytes, devBlockSize) \␊ |
106 | ((unsigned)(bytes) / devBlockSize)␊ |
107 | #define dbtob(db, devBlockSize) \␊ |
108 | ((unsigned)(db) * devBlockSize)␊ |
109 | #else␊ |
110 | #define␉btodb(bytes)␉ ␉␉/* calculates (bytes / DEV_BSIZE) */ \␊ |
111 | ␉((unsigned)(bytes) >> DEV_BSHIFT)␊ |
112 | #define␉dbtob(db)␉␉␉/* calculates (db * DEV_BSIZE) */ \␊ |
113 | ␉((unsigned)(db) << DEV_BSHIFT)␊ |
114 | #endif␊ |
115 | ␊ |
116 | /*␊ |
117 | * Map a ``block device block'' to a file system block.␊ |
118 | * This should be device dependent, and will be if we␊ |
119 | * add an entry to cdevsw/bdevsw for that purpose.␊ |
120 | * For now though just use DEV_BSIZE.␊ |
121 | */␊ |
122 | #define␉bdbtofsb(bn)␉((bn) / (BLKDEV_IOSIZE/DEV_BSIZE))␊ |
123 | ␊ |
124 | /*␊ |
125 | * Macros to decode (and encode) processor status word.␊ |
126 | */␊ |
127 | #define STATUS_WORD(rpl, ipl)␉(((ipl) << 8) | (rpl))␊ |
128 | #define␉USERMODE(x)␉␉(((x) & 3) == 3)␊ |
129 | #define␉BASEPRI(x)␉␉(((x) & (255 << 8)) == 0)␊ |
130 | ␊ |
131 | ␊ |
132 | #if␉defined(KERNEL) || defined(STANDALONE)␊ |
133 | #define␉DELAY(n) delay(n)␊ |
134 | ␊ |
135 | #else␉/* defined(KERNEL) || defined(STANDALONE) */␊ |
136 | #define␉DELAY(n)␉{ register int N = (n); while (--N > 0); }␊ |
137 | #endif␉/* defined(KERNEL) || defined(STANDALONE) */␊ |
138 | ␊ |
139 | #endif /* _ARM_PARAM_H_ */␊ |
140 |