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| Source at commit 1270 created 12 years 8 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 | |
