1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* $OpenBSD: param.h,v 1.25 2004/09/14 22:13:50 mickey Exp $ */
/*
* Copyright (c) 1988-1994, The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Utah $Hdr: param.h 1.18 94/12/16$
*/
#include <machine/cpu.h>
#include <machine/intr.h>
/*
* Machine dependent constants for PA-RISC.
*/
#define _MACHINE hppa
#define MACHINE "hppa"
#define _MACHINE_ARCH hppa
#define MACHINE_ARCH "hppa"
#define MID_MACHINE MID_HPUX800
/*
* Round p (pointer or byte index) up to a correctly-aligned value for all
* data types (int, long, ...). The result is u_int and must be cast to
* any desired pointer type.
*/
#define ALIGNBYTES 7
#define ALIGN(p) (((u_long)(p) + ALIGNBYTES) &~ ALIGNBYTES)
#define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t) - 1)) == 0)
#define PAGE_SIZE 4096
#define PAGE_MASK (PAGE_SIZE-1)
#define PAGE_SHIFT 12
#define NBPG 4096 /* bytes/page */
#define PGOFSET (NBPG-1) /* byte offset into page */
#define PGSHIFT 12 /* LOG2(NBPG) */
#define KERNBASE 0x00000000 /* start of kernel virtual */
#define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT)
#define DEV_BSIZE 512
#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
#define BLKDEV_IOSIZE 2048
#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */
#define MACHINE_STACK_GROWS_UP 1 /* stack grows to higher addresses */
#define SSIZE (4) /* initial stack size/NBPG */
#define SINCR (1) /* increment of stack/NBPG */
#define USPACE (4 * NBPG) /* pages for user struct and kstack */
#define USPACE_ALIGN (0) /* u-area alignment 0-none */
#ifndef MSGBUFSIZE
#define MSGBUFSIZE 2*NBPG /* default message buffer size */
#endif
/*
* Constants related to network buffer management.
* MCLBYTES must be no larger than the software page size, and,
* on machines that exchange pages of input or output buffers with mbuf
* clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
* of the hardware page size.
*/
#define MSIZE 256 /* size of an mbuf */
#define MCLSHIFT 11
#define MCLBYTES (1 << MCLSHIFT) /* large enough for ether MTU */
#define MCLOFSET (MCLBYTES - 1)
#define NMBCLUSTERS 4096 /* map size, max cluster allocation */
/*
* Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
* logical pages.
*/
#define NKMEMPAGES_MIN_DEFAULT ((4 * 1024 * 1024) >> PAGE_SHIFT)
#define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT)
/* pages ("clicks") (4096 bytes) to disk blocks */
#define ctod(x) ((x) << (PGSHIFT - DEV_BSHIFT))
#define dtoc(x) ((x) >> (PGSHIFT - DEV_BSHIFT))
/* pages to bytes */
#define ctob(x) ((x) << PGSHIFT)
#define btoc(x) (((x) + PGOFSET) >> PGSHIFT)
#define btodb(x) ((x) >> DEV_BSHIFT)
#define dbtob(x) ((x) << DEV_BSHIFT)
/*
* Map a ``block device block'' to a file system block.
* This should be device dependent, and should use the bsize
* field from the disk label.
* For now though just use DEV_BSIZE.
*/
#define bdbtofsb(bn) ((bn) / (BLKDEV_IOSIZE/DEV_BSIZE))
/*
* Mach derived conversion macros
*/
#define hppa_round_page(x) ((((unsigned long)(x)) + NBPG - 1) & ~(NBPG-1))
#define hppa_trunc_page(x) ((unsigned long)(x) & ~(NBPG-1))
#define btop(x) ((unsigned long)(x) >> PGSHIFT)
#define ptob(x) ((unsigned long)(x) << PGSHIFT)
#ifdef _KERNEL
#ifdef COMPAT_HPUX
/*
* Constants/macros for HPUX multiple mapping of user address space.
* Pages in the first 256Mb are mapped in at every 256Mb segment.
*/
#define HPMMMASK 0xF0000000
#define ISHPMMADDR(v) 0 /* XXX ...jef */
#define HPMMBASEADDR(v) ((unsigned)(v) & ~HPMMMASK)
#endif
#ifndef _LOCORE
#define CONADDR conaddr
#define CONUNIT conunit
#define COM_FREQ 7372800
extern hppa_hpa_t conaddr;
extern int conunit;
#endif
#endif
#define __SWAP_BROKEN
|
