2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
184 lines
5.5 KiB
C
184 lines
5.5 KiB
C
#ifndef _SYS_PARAM_H_
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#define _SYS_PARAM_H_
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/*
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* Historic BSD #defines -- probably will remain untouched for all time.
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*/
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#define BSD 199506 /* System version (year & month). */
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#define BSD4_3 1
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#ifndef __minix
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#define BSD4_4 1
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#endif
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/*
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* #define __NetBSD_Version__ MMmmrrpp00
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*
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* M = major version
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* m = minor version; a minor number of 99 indicates current.
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* r = 0 (*)
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* p = patchlevel
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*
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* When new releases are made, src/gnu/usr.bin/groff/tmac/mdoc.local
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* needs to be updated and the changes sent back to the groff maintainers.
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*
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* (*) Up to 2.0I "release" used to be "",A-Z,Z[A-Z] but numeric
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* e.g. NetBSD-1.2D = 102040000 ('D' == 4)
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* NetBSD-2.0H (200080000) was changed on 20041001 to:
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* 2.99.9 (299000900)
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*/
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#define __NetBSD_Version__ 599002900 /* NetBSD 5.99.29 */
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#define __NetBSD_Prereq__(M,m,p) (((((M) * 100000000) + \
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(m) * 1000000) + (p) * 100) <= __NetBSD_Version__)
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/*
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* Historical NetBSD #define
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*
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* NetBSD 1.4 was the last release for which this value was incremented.
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* The value is now permanently fixed at 199905. It will never be
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* changed again.
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*
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* New code must use __NetBSD_Version__ instead, and should not even
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* count on NetBSD being defined.
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*
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*/
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#define NetBSD 199905 /* NetBSD version (year & month). */
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#include <sys/null.h>
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#ifndef __ASSEMBLER__
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#include <sys/inttypes.h>
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#include <sys/types.h>
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/*
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* Machine-independent constants (some used in following include files).
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* Redefined constants are from POSIX 1003.1 limits file.
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*
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* MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>)
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* MAXHOSTNAMELEN should be >= (_POSIX_HOST_NAME_MAX + 1) (see <limits.h>)
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* MAXLOGNAME should be >= UT_NAMESIZE (see <utmp.h>)
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*/
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#include <sys/syslimits.h>
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#define MAXCOMLEN 16 /* max command name remembered */
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#define MAXINTERP PATH_MAX /* max interpreter file name length */
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/* DEPRECATED: use LOGIN_NAME_MAX instead. */
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#define MAXLOGNAME (LOGIN_NAME_MAX - 1) /* max login name length */
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#ifndef __minix
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#define NCARGS ARG_MAX /* max bytes for an exec function */
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#endif
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#define NGROUPS NGROUPS_MAX /* max number groups */
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#define NOGROUP 65535 /* marker for empty group set member */
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#define MAXHOSTNAMELEN 256 /* max hostname size */
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#ifndef NOFILE
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#define NOFILE OPEN_MAX /* max open files per process */
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#endif
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#ifndef MAXUPRC /* max simultaneous processes */
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#define MAXUPRC CHILD_MAX /* POSIX 1003.1-compliant default */
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#else
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#if (MAXUPRC - 0) < CHILD_MAX
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#error MAXUPRC less than CHILD_MAX. See options(4) for details.
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#endif /* (MAXUPRC - 0) < CHILD_MAX */
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#endif /* !defined(MAXUPRC) */
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/* Signals. */
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#include <sys/signal.h>
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/* Machine type dependent parameters. */
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#include <machine/param.h>
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#include <machine/limits.h>
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/* pages ("clicks") to disk blocks */
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#define ctod(x) ((x) << (PGSHIFT - DEV_BSHIFT))
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#define dtoc(x) ((x) >> (PGSHIFT - DEV_BSHIFT))
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/* bytes to pages */
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#define ctob(x) ((x) << PGSHIFT)
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#define btoc(x) (((x) + PGOFSET) >> PGSHIFT)
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/* bytes to disk blocks */
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#define dbtob(x) ((x) << DEV_BSHIFT)
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#define btodb(x) ((x) >> DEV_BSHIFT)
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#ifndef COHERENCY_UNIT
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#define COHERENCY_UNIT 64
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#endif
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#ifndef CACHE_LINE_SIZE
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#define CACHE_LINE_SIZE 64
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#endif
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#ifndef MAXCPUS
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#define MAXCPUS 32
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#endif
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#ifndef MAX_LWP_PER_PROC
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#define MAX_LWP_PER_PROC 8000
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#endif
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/*
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* Miscellaneous.
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*/
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#define NBPW sizeof(int) /* number of bytes per word (integer) */
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#define CMASK 022 /* default file mask: S_IWGRP|S_IWOTH */
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#define NODEV (dev_t)(-1) /* non-existent device */
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#define CBLOCK 64 /* Clist block size, must be a power of 2. */
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#define CBQSIZE (CBLOCK/NBBY) /* Quote bytes/cblock - can do better. */
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/* Data chars/clist. */
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#define CBSIZE (CBLOCK - (int)sizeof(struct cblock *) - CBQSIZE)
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#define CROUND (CBLOCK - 1) /* Clist rounding. */
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/*
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* File system parameters and macros.
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*
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* The file system is made out of blocks of at most MAXBSIZE units, with
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* smaller units (fragments) only in the last direct block. MAXBSIZE
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* primarily determines the size of buffers in the buffer pool. It may be
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* made larger without any effect on existing file systems; however making
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* it smaller may make some file systems unmountable.
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*/
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#ifndef MAXBSIZE /* XXX */
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#define MAXBSIZE MAXPHYS
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#endif
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#define MAXFRAG 8
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/*
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* MAXPATHLEN defines the longest permissible path length after expanding
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* symbolic links. It is used to allocate a temporary buffer from the buffer
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* pool in which to do the name expansion, hence should be a power of two,
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* and must be less than or equal to MAXBSIZE. MAXSYMLINKS defines the
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* maximum number of symbolic links that may be expanded in a path name.
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* It should be set high enough to allow all legitimate uses, but halt
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* infinite loops reasonably quickly.
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*
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* MAXSYMLINKS should be >= _POSIX_SYMLOOP_MAX (see <limits.h>)
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*/
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#define MAXPATHLEN PATH_MAX
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#define MAXSYMLINKS 32
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/* Bit map related macros. */
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#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
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#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
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#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
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#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
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/* Macros for counting and rounding. */
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#ifndef howmany
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#define howmany(x, y) (((x)+((y)-1))/(y))
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#endif
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#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
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#define rounddown(x,y) (((x)/(y))*(y))
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#define roundup2(x, m) (((x) + (m) - 1) & ~((m) - 1))
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#define powerof2(x) ((((x)-1)&(x))==0)
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/* Macros for min/max. */
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#define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
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#define MAX(a,b) ((/*CONSTCOND*/(a)>(b))?(a):(b))
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#endif /* !__ASSEMBLER__ */
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#endif /* !_SYS_PARAM_H_ */
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