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Diffstat (limited to 'rtemsbsd/include/rtems/bsd/sys/param.h')
| -rw-r--r-- | rtemsbsd/include/rtems/bsd/sys/param.h | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/rtemsbsd/include/rtems/bsd/sys/param.h b/rtemsbsd/include/rtems/bsd/sys/param.h deleted file mode 100644 index 8042746c..00000000 --- a/rtemsbsd/include/rtems/bsd/sys/param.h +++ /dev/null @@ -1,357 +0,0 @@ -/*- - * Copyright (c) 1982, 1986, 1989, 1993 - * The Regents of the University of California. All rights reserved. - * (c) UNIX System Laboratories, Inc. - * All or some portions of this file are derived from material licensed - * to the University of California by American Telephone and Telegraph - * Co. or Unix System Laboratories, Inc. and are reproduced herein with - * the permission of UNIX System Laboratories, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)param.h 8.3 (Berkeley) 4/4/95 - * $FreeBSD$ - */ - -#ifndef _RTEMS_BSD_SYS_PARAM_H_ -#define _RTEMS_BSD_SYS_PARAM_H_ - -#ifdef __rtems__ -#include <sys/param.h> -#include <sys/_bitset.h> -#endif /* __rtems__ */ -#include <sys/_null.h> - -#define BSD 199506 /* System version (year & month). */ -#define BSD4_3 1 -#define BSD4_4 1 - -/* - * __FreeBSD_version numbers are documented in the Porter's Handbook. - * If you bump the version for any reason, you should update the documentation - * there. - * Currently this lives here: - * - * doc/en_US.ISO8859-1/books/porters-handbook/book.sgml - * - * scheme is: <major><two digit minor>Rxx - * 'R' is in the range 0 to 4 if this is a release branch or - * x.0-CURRENT before RELENG_*_0 is created, otherwise 'R' is - * in the range 5 to 9. - */ -#undef __FreeBSD_version -#define __FreeBSD_version 1200018 /* Master, propagated to newvers */ - -#ifdef _KERNEL -#define P_OSREL_SIGWAIT 700000 -#define P_OSREL_SIGSEGV 700004 -#define P_OSREL_MAP_ANON 800104 -#define P_OSREL_MAP_FSTRICT 1100036 -#define P_OSREL_SHUTDOWN_ENOTCONN 1100077 - -#define P_OSREL_MAJOR(x) ((x) / 100000) -#endif - -#ifndef LOCORE -#include <sys/types.h> -#endif - -/* - * Machine-independent constants (some used in following include files). - * Redefined constants are from POSIX 1003.1 limits file. - * - * MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>) - * MAXLOGNAME should be == UT_NAMESIZE+1 (see <utmp.h>) - */ -#include <sys/syslimits.h> - -#define MAXCOMLEN 19 /* max command name remembered */ -#define MAXINTERP PATH_MAX /* max interpreter file name length */ -#define MAXLOGNAME 33 /* max login name length (incl. NUL) */ -#define MAXUPRC CHILD_MAX /* max simultaneous processes */ -#define NCARGS ARG_MAX /* max bytes for an exec function */ -#define NGROUPS (NGROUPS_MAX+1) /* max number groups */ -#define NOFILE OPEN_MAX /* max open files per process */ -#define NOGROUP 65535 /* marker for empty group set member */ -#define MAXHOSTNAMELEN 256 /* max hostname size */ -#define SPECNAMELEN 63 /* max length of devicename */ - -/* More types and definitions used throughout the kernel. */ -#ifdef _KERNEL -#include <sys/cdefs.h> -#include <rtems/bsd/sys/errno.h> -#ifndef LOCORE -#include <sys/time.h> -#include <sys/priority.h> -#endif - -#ifndef FALSE -#define FALSE 0 -#endif -#ifndef TRUE -#define TRUE 1 -#endif -#endif - -#ifndef _KERNEL -/* Signals. */ -#include <sys/signal.h> -#endif - -/* Machine type dependent parameters. */ -#include <machine/rtems-bsd-param.h> -#ifndef _KERNEL -#include <sys/limits.h> -#endif - -#ifndef _NO_NAMESPACE_POLLUTION - -#ifndef DEV_BSHIFT -#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ -#endif -#define DEV_BSIZE (1<<DEV_BSHIFT) - -#ifndef BLKDEV_IOSIZE -#define BLKDEV_IOSIZE PAGE_SIZE /* default block device I/O size */ -#endif -#ifndef DFLTPHYS -#define DFLTPHYS (64 * 1024) /* default max raw I/O transfer size */ -#endif -#ifndef MAXPHYS -#define MAXPHYS (128 * 1024) /* max raw I/O transfer size */ -#endif -#ifndef MAXDUMPPGS -#define MAXDUMPPGS (DFLTPHYS/PAGE_SIZE) -#endif - -/* - * Constants related to network buffer management. - * MCLBYTES must be no larger than PAGE_SIZE. - */ -#ifndef MSIZE -#define MSIZE 256 /* size of an mbuf */ -#endif /* MSIZE */ - -#ifndef MCLSHIFT -#define MCLSHIFT 11 /* convert bytes to mbuf clusters */ -#endif /* MCLSHIFT */ - -#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */ - -#define MJUMPAGESIZE PAGE_SIZE /* jumbo cluster 4k */ -#define MJUM9BYTES (9 * 1024) /* jumbo cluster 9k */ -#define MJUM16BYTES (16 * 1024) /* jumbo cluster 16k */ - -/* - * Round p (pointer or byte index) up to a correctly-aligned value - * for all data types (int, long, ...). The result is u_long and - * must be cast to any desired pointer type. - */ -#ifndef _ALIGNBYTES -#define _ALIGNBYTES (sizeof(long) - 1) -#endif -#ifndef _ALIGN -#define _ALIGN(p) (((uintptr_t)(p) + _ALIGNBYTES) &~ _ALIGNBYTES) -#endif - -/* - * ALIGNED_POINTER is a boolean macro that checks whether an address - * is valid to fetch data elements of type t from on this architecture. - * This does not reflect the optimal alignment, just the possibility - * (within reasonable limits). - */ -#define ALIGNED_POINTER(p, t) ((((u_long)(p)) & (sizeof(t) - 1)) == 0) - -/* - * Some macros for units conversion - */ - -/* clicks to bytes */ -#ifndef ctob -#define ctob(x) ((x)<<PAGE_SHIFT) -#endif - -/* bytes to clicks */ -#ifndef btoc -#define btoc(x) (((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT) -#endif - -/* - * btodb() is messy and perhaps slow because `bytes' may be an off_t. We - * want to shift an unsigned type to avoid sign extension and we don't - * want to widen `bytes' unnecessarily. Assume that the result fits in - * a daddr_t. - */ -#ifndef btodb -#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \ - (sizeof (bytes) > sizeof(long) \ - ? (daddr_t)((unsigned long long)(bytes) >> DEV_BSHIFT) \ - : (daddr_t)((unsigned long)(bytes) >> DEV_BSHIFT)) -#endif - -#ifndef dbtob -#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \ - ((off_t)(db) << DEV_BSHIFT) -#endif - -#endif /* _NO_NAMESPACE_POLLUTION */ - -#define PRIMASK 0x0ff -#define PCATCH 0x100 /* OR'd with pri for tsleep to check signals */ -#define PDROP 0x200 /* OR'd with pri to stop re-entry of interlock mutex */ -#define PBDRY 0x400 /* for PCATCH stop is done on the user boundary */ - -#define NZERO 0 /* default "nice" */ - -#define NBBY 8 /* number of bits in a byte */ -#define NBPW sizeof(int) /* number of bytes per word (integer) */ - -#define CMASK 022 /* default file mask: S_IWGRP|S_IWOTH */ - -#define NODEV (dev_t)(-1) /* non-existent device */ - -/* - * File system parameters and macros. - * - * MAXBSIZE - Filesystems are made out of blocks of at most MAXBSIZE bytes - * per block. MAXBSIZE may be made larger without effecting - * any existing filesystems as long as it does not exceed MAXPHYS, - * and may be made smaller at the risk of not being able to use - * filesystems which require a block size exceeding MAXBSIZE. - * - * BKVASIZE - Nominal buffer space per buffer, in bytes. BKVASIZE is the - * minimum KVM memory reservation the kernel is willing to make. - * Filesystems can of course request smaller chunks. Actual - * backing memory uses a chunk size of a page (PAGE_SIZE). - * - * If you make BKVASIZE too small you risk seriously fragmenting - * the buffer KVM map which may slow things down a bit. If you - * make it too big the kernel will not be able to optimally use - * the KVM memory reserved for the buffer cache and will wind - * up with too-few buffers. - * - * The default is 16384, roughly 2x the block size used by a - * normal UFS filesystem. - */ -#define MAXBSIZE 65536 /* must be power of 2 */ -#define BKVASIZE 16384 /* must be power of 2 */ -#define BKVAMASK (BKVASIZE-1) - -/* - * MAXPATHLEN defines the longest permissible path length after expanding - * symbolic links. It is used to allocate a temporary buffer from the buffer - * pool in which to do the name expansion, hence should be a power of two, - * and must be less than or equal to MAXBSIZE. MAXSYMLINKS defines the - * maximum number of symbolic links that may be expanded in a path name. - * It should be set high enough to allow all legitimate uses, but halt - * infinite loops reasonably quickly. - */ -#define MAXPATHLEN PATH_MAX -#define MAXSYMLINKS 32 - -/* Bit map related macros. */ -#define setbit(a,i) (((unsigned char *)(a))[(i)/NBBY] |= 1<<((i)%NBBY)) -#define clrbit(a,i) (((unsigned char *)(a))[(i)/NBBY] &= ~(1<<((i)%NBBY))) -#define isset(a,i) \ - (((const unsigned char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) -#define isclr(a,i) \ - ((((const unsigned char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) == 0) - -/* Macros for counting and rounding. */ -#ifndef howmany -#define howmany(x, y) (((x)+((y)-1))/(y)) -#endif -#define nitems(x) (sizeof((x)) / sizeof((x)[0])) -#define rounddown(x, y) (((x)/(y))*(y)) -#define rounddown2(x, y) ((x)&(~((y)-1))) /* if y is power of two */ -#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ -#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */ -#define powerof2(x) ((((x)-1)&(x))==0) - -/* Macros for min/max. */ -#define MIN(a,b) (((a)<(b))?(a):(b)) -#define MAX(a,b) (((a)>(b))?(a):(b)) - -#ifdef _KERNEL -/* - * Basic byte order function prototypes for non-inline functions. - */ -#ifndef LOCORE -#ifndef _BYTEORDER_PROTOTYPED -#define _BYTEORDER_PROTOTYPED -__BEGIN_DECLS -__uint32_t htonl(__uint32_t); -__uint16_t htons(__uint16_t); -__uint32_t ntohl(__uint32_t); -__uint16_t ntohs(__uint16_t); -__END_DECLS -#endif -#endif - -#ifndef lint -#ifndef _BYTEORDER_FUNC_DEFINED -#define _BYTEORDER_FUNC_DEFINED -#define htonl(x) __htonl(x) -#define htons(x) __htons(x) -#define ntohl(x) __ntohl(x) -#define ntohs(x) __ntohs(x) -#endif /* !_BYTEORDER_FUNC_DEFINED */ -#endif /* lint */ -#endif /* _KERNEL */ - -/* - * Scale factor for scaled integers used to count %cpu time and load avgs. - * - * The number of CPU `tick's that map to a unique `%age' can be expressed - * by the formula (1 / (2 ^ (FSHIFT - 11))). The maximum load average that - * can be calculated (assuming 32 bits) can be closely approximated using - * the formula (2 ^ (2 * (16 - FSHIFT))) for (FSHIFT < 15). - * - * For the scheduler to maintain a 1:1 mapping of CPU `tick' to `%age', - * FSHIFT must be at least 11; this gives us a maximum load avg of ~1024. - */ -#define FSHIFT 11 /* bits to right of fixed binary point */ -#define FSCALE (1<<FSHIFT) - -#define dbtoc(db) /* calculates devblks to pages */ \ - ((db + (ctodb(1) - 1)) >> (PAGE_SHIFT - DEV_BSHIFT)) - -#define ctodb(db) /* calculates pages to devblks */ \ - ((db) << (PAGE_SHIFT - DEV_BSHIFT)) - -/* - * Given the pointer x to the member m of the struct s, return - * a pointer to the containing structure. - */ -#define member2struct(s, m, x) \ - ((struct s *)(void *)((char *)(x) - offsetof(struct s, m))) - -/* - * Access a variable length array that has been declared as a fixed - * length array. - */ -#define __PAST_END(array, offset) (((__typeof__(*(array)) *)(array))[offset]) - -#endif /* _RTEMS_BSD_SYS_PARAM_H_ */ |