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kernel.h @ e599318

4.1155-freebsd-126-freebsd-12freebsd-9.3

Last change on this file since e599318 was e599318, checked in by Sebastian Huber <sebastian.huber@…>, on 10/09/13 at 20:52:54

Update files to match FreeBSD layout

Add compatibility with Newlib header files. Some FreeBSD header files
are mapped by the translation script:

o rtems/bsd/sys/_types.h
o rtems/bsd/sys/errno.h
o rtems/bsd/sys/lock.h
o rtems/bsd/sys/param.h
o rtems/bsd/sys/resource.h
o rtems/bsd/sys/time.h
o rtems/bsd/sys/timespec.h
o rtems/bsd/sys/types.h
o rtems/bsd/sys/unistd.h

It is now possible to include <sys/socket.h> directly for example.

Generate one Makefile which builds everything including tests.

Property mode set to 100644

File size: 15.4 KB

Rev	Line
[a9153ec]	1	/*-
	2	* Copyright (c) 1995 Terrence R. Lambert
	3	* All rights reserved.
	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	* @(#)kernel.h 8.3 (Berkeley) 1/21/94
	42	* $FreeBSD$
	43	*/
	44
[e599318]	45	#ifndef _SYS_KERNEL_H_
	46	#define _SYS_KERNEL_H_
[a9153ec]	47
[e599318]	48	#include <sys/linker_set.h>
[a9153ec]	49
	50	#ifdef _KERNEL
	51
	52	/* for intrhook below */
[e599318]	53	#include <sys/queue.h>
[a9153ec]	54
	55	/* Global variables for the kernel. */
	56
	57	#ifndef __rtems__
	58	/* 1.1 */
	59	extern char kernelname[MAXPATHLEN];
	60	#endif /* __rtems__ */
	61
	62	extern int tick; /* usec per tick (1000000 / hz) */
	63	extern int hz; /* system clock's frequency */
	64	extern int psratio; /* ratio: prof / stat */
	65	extern int stathz; /* statistics clock's frequency */
	66	extern int profhz; /* profiling clock's frequency */
	67	extern int profprocs; /* number of process's profiling */
	68	#ifndef __rtems__
	69	extern int ticks;
	70	#endif /* __rtems__ */
	71
	72	#endif /* _KERNEL */
	73
	74	/*
	75	* Enumerated types for known system startup interfaces.
	76	*
	77	* Startup occurs in ascending numeric order; the list entries are
	78	* sorted prior to attempting startup to guarantee order. Items
	79	* of the same level are arbitrated for order based on the 'order'
	80	* element.
	81	*
	82	* These numbers are arbitrary and are chosen ONLY for ordering; the
	83	* enumeration values are explicit rather than implicit to provide
	84	* for binary compatibility with inserted elements.
	85	*
	86	* The SI_SUB_RUN_SCHEDULER value must have the highest lexical value.
	87	*
	88	* The SI_SUB_SWAP values represent a value used by
	89	* the BSD 4.4Lite but not by FreeBSD; it is maintained in dependent
	90	* order to support porting.
	91	*
	92	* The SI_SUB_PROTO_BEGIN and SI_SUB_PROTO_END bracket a range of
	93	* initializations to take place at splimp(). This is a historical
	94	* wart that should be removed -- probably running everything at
	95	* splimp() until the first init that doesn't want it is the correct
	96	* fix. They are currently present to ensure historical behavior.
	97	*/
	98	enum sysinit_sub_id {
	99	SI_SUB_DUMMY = 0x0000000, /* not executed; for linker*/
	100	SI_SUB_DONE = 0x0000001, /* processed*/
	101	SI_SUB_TUNABLES = 0x0700000, /* establish tunable values */
	102	SI_SUB_COPYRIGHT = 0x0800001, /* first use of console*/
	103	SI_SUB_SETTINGS = 0x0880000, /* check and recheck settings */
	104	SI_SUB_MTX_POOL_STATIC = 0x0900000, /* static mutex pool */
	105	SI_SUB_LOCKMGR = 0x0980000, /* lockmgr locks */
	106	SI_SUB_VM = 0x1000000, /* virtual memory system init*/
	107	SI_SUB_KMEM = 0x1800000, /* kernel memory*/
	108	SI_SUB_KVM_RSRC = 0x1A00000, /* kvm operational limits*/
	109	SI_SUB_WITNESS = 0x1A80000, /* witness initialization */
	110	SI_SUB_MTX_POOL_DYNAMIC = 0x1AC0000, /* dynamic mutex pool */
	111	SI_SUB_LOCK = 0x1B00000, /* various locks */
	112	SI_SUB_EVENTHANDLER = 0x1C00000, /* eventhandler init */
	113	SI_SUB_VNET_PRELINK = 0x1E00000, /* vnet init before modules */
	114	SI_SUB_KLD = 0x2000000, /* KLD and module setup */
	115	SI_SUB_CPU = 0x2100000, /* CPU resource(s)*/
	116	SI_SUB_RANDOM = 0x2120000, /* random number generator */
	117	SI_SUB_KDTRACE = 0x2140000, /* Kernel dtrace hooks */
	118	SI_SUB_MAC = 0x2180000, /* TrustedBSD MAC subsystem */
	119	SI_SUB_MAC_POLICY = 0x21C0000, /* TrustedBSD MAC policies */
	120	SI_SUB_MAC_LATE = 0x21D0000, /* TrustedBSD MAC subsystem */
	121	SI_SUB_VNET = 0x21E0000, /* vnet 0 */
	122	SI_SUB_INTRINSIC = 0x2200000, /* proc 0*/
	123	SI_SUB_VM_CONF = 0x2300000, /* config VM, set limits*/
	124	SI_SUB_DDB_SERVICES = 0x2380000, /* capture, scripting, etc. */
	125	SI_SUB_RUN_QUEUE = 0x2400000, /* set up run queue*/
	126	SI_SUB_KTRACE = 0x2480000, /* ktrace */
	127	SI_SUB_OPENSOLARIS = 0x2490000, /* OpenSolaris compatibility */
	128	SI_SUB_CYCLIC = 0x24A0000, /* Cyclic timers */
	129	SI_SUB_AUDIT = 0x24C0000, /* audit */
	130	SI_SUB_CREATE_INIT = 0x2500000, /* create init process*/
	131	SI_SUB_SCHED_IDLE = 0x2600000, /* required idle procs */
	132	SI_SUB_MBUF = 0x2700000, /* mbuf subsystem */
	133	SI_SUB_INTR = 0x2800000, /* interrupt threads */
	134	SI_SUB_SOFTINTR = 0x2800001, /* start soft interrupt thread */
	135	SI_SUB_ACL = 0x2900000, /* start for filesystem ACLs */
	136	SI_SUB_DEVFS = 0x2F00000, /* devfs ready for devices */
	137	SI_SUB_INIT_IF = 0x3000000, /* prep for net interfaces */
	138	SI_SUB_NETGRAPH = 0x3010000, /* Let Netgraph initialize */
	139	SI_SUB_DTRACE = 0x3020000, /* DTrace subsystem */
	140	SI_SUB_DTRACE_PROVIDER = 0x3048000, /* DTrace providers */
	141	SI_SUB_DTRACE_ANON = 0x308C000, /* DTrace anon enabling */
	142	SI_SUB_DRIVERS = 0x3100000, /* Let Drivers initialize */
	143	SI_SUB_CONFIGURE = 0x3800000, /* Configure devices */
	144	SI_SUB_VFS = 0x4000000, /* virtual filesystem*/
	145	SI_SUB_CLOCKS = 0x4800000, /* real time and stat clocks*/
	146	SI_SUB_CLIST = 0x5800000, /* clists*/
	147	SI_SUB_SYSV_SHM = 0x6400000, /* System V shared memory*/
	148	SI_SUB_SYSV_SEM = 0x6800000, /* System V semaphores*/
	149	SI_SUB_SYSV_MSG = 0x6C00000, /* System V message queues*/
	150	SI_SUB_P1003_1B = 0x6E00000, /* P1003.1B realtime */
	151	SI_SUB_PSEUDO = 0x7000000, /* pseudo devices*/
	152	SI_SUB_EXEC = 0x7400000, /* execve() handlers */
	153	SI_SUB_PROTO_BEGIN = 0x8000000, /* XXX: set splimp (kludge)*/
	154	SI_SUB_PROTO_IF = 0x8400000, /* interfaces*/
	155	SI_SUB_PROTO_DOMAININIT = 0x8600000, /* domain registration system */
	156	SI_SUB_PROTO_DOMAIN = 0x8800000, /* domains (address families?)*/
	157	SI_SUB_PROTO_IFATTACHDOMAIN = 0x8800001, /* domain dependent data init*/
	158	SI_SUB_PROTO_END = 0x8ffffff, /* XXX: set splx (kludge)*/
	159	SI_SUB_KPROF = 0x9000000, /* kernel profiling*/
	160	SI_SUB_KICK_SCHEDULER = 0xa000000, /* start the timeout events*/
	161	SI_SUB_INT_CONFIG_HOOKS = 0xa800000, /* Interrupts enabled config */
	162	SI_SUB_ROOT_CONF = 0xb000000, /* Find root devices */
	163	SI_SUB_DUMP_CONF = 0xb200000, /* Find dump devices */
	164	SI_SUB_RAID = 0xb380000, /* Configure GEOM classes */
	165	SI_SUB_SWAP = 0xc000000, /* swap */
	166	SI_SUB_INTRINSIC_POST = 0xd000000, /* proc 0 cleanup*/
	167	SI_SUB_SYSCALLS = 0xd800000, /* register system calls */
	168	SI_SUB_VNET_DONE = 0xdc00000, /* vnet registration complete */
	169	SI_SUB_KTHREAD_INIT = 0xe000000, /* init process*/
	170	SI_SUB_KTHREAD_PAGE = 0xe400000, /* pageout daemon*/
	171	SI_SUB_KTHREAD_VM = 0xe800000, /* vm daemon*/
	172	SI_SUB_KTHREAD_BUF = 0xea00000, /* buffer daemon*/
	173	SI_SUB_KTHREAD_UPDATE = 0xec00000, /* update daemon*/
	174	SI_SUB_KTHREAD_IDLE = 0xee00000, /* idle procs*/
	175	SI_SUB_SMP = 0xf000000, /* start the APs*/
	176	SI_SUB_RUN_SCHEDULER = 0xfffffff /* scheduler*/
	177	};
	178
	179
	180	/*
	181	* Some enumerated orders; "ANY" sorts last.
	182	*/
	183	enum sysinit_elem_order {
	184	SI_ORDER_FIRST = 0x0000000, /* first*/
	185	SI_ORDER_SECOND = 0x0000001, /* second*/
	186	SI_ORDER_THIRD = 0x0000002, /* third*/
	187	SI_ORDER_FOURTH = 0x0000003, /* fourth*/
	188	SI_ORDER_MIDDLE = 0x1000000, /* somewhere in the middle */
	189	SI_ORDER_ANY = 0xfffffff /* last*/
	190	};
	191
	192
	193	/*
	194	* A system initialization call instance
	195	*
	196	* At the moment there is one instance of sysinit. We probably do not
	197	* want two which is why this code is if'd out, but we definitely want
	198	* to discern SYSINIT's which take non-constant data pointers and
	199	* SYSINIT's which take constant data pointers,
	200	*
	201	* The C_* macros take functions expecting const void * arguments
	202	* while the non-C_* macros take functions expecting just void * arguments.
	203	*
	204	* With -Wcast-qual on, the compiler issues warnings:
	205	* - if we pass non-const data or functions taking non-const data
	206	* to a C_* macro.
	207	*
	208	* - if we pass const data to the normal macros
	209	*
	210	* However, no warning is issued if we pass a function taking const data
	211	* through a normal non-const macro. This is ok because the function is
	212	* saying it won't modify the data so we don't care whether the data is
	213	* modifiable or not.
	214	*/
	215
	216	typedef void (sysinit_nfunc_t)(void );
	217	typedef void (sysinit_cfunc_t)(const void );
	218
	219	struct sysinit {
	220	enum sysinit_sub_id subsystem; /* subsystem identifier*/
	221	enum sysinit_elem_order order; /* init order within subsystem*/
	222	sysinit_cfunc_t func; /* function */
	223	const void udata; / multiplexer/argument */
	224	};
	225
	226	/*
	227	* Default: no special processing
	228	*
	229	* The C_ version of SYSINIT is for data pointers to const
	230	* data ( and functions taking data pointers to const data ).
	231	* At the moment it is no different from SYSINIT and thus
	232	* still results in warnings.
	233	*
	234	* The casts are necessary to have the compiler produce the
	235	* correct warnings when -Wcast-qual is used.
	236	*
	237	*/
	238	#ifndef __rtems__
	239	#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \
	240	static struct sysinit uniquifier ## _sys_init = { \
	241	subsystem, \
	242	order, \
	243	func, \
	244	(ident) \
	245	}; \
	246	DATA_SET(sysinit_set,uniquifier ## _sys_init)
	247	#else /* __rtems__ */
	248	#define SYSINIT_ENTRY_NAME(uniquifier) \
	249	_bsd_ ## uniquifier ## _sys_init
	250	#define SYSINIT_REFERENCE_NAME(uniquifier) \
	251	_bsd_ ## uniquifier ## _sys_init_ref
	252	#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \
	253	struct sysinit SYSINIT_ENTRY_NAME(uniquifier) = { \
	254	subsystem, \
	255	order, \
	256	func, \
	257	(ident) \
	258	}; \
	259	DATA_SET(sysinit_set,SYSINIT_ENTRY_NAME(uniquifier))
	260	#define SYSINIT_REFERENCE(uniquifier) \
	261	extern struct sysinit SYSINIT_ENTRY_NAME(uniquifier); \
	262	static struct sysinit const * const \
	263	SYSINIT_REFERENCE_NAME(uniquifier) __used \
	264	= &SYSINIT_ENTRY_NAME(uniquifier)
	265	#define SYSINIT_MODULE_REFERENCE(mod) \
	266	SYSINIT_REFERENCE(mod ## module)
	267	#define SYSINIT_DRIVER_REFERENCE(driver, bus) \
	268	SYSINIT_MODULE_REFERENCE(driver ## _ ## bus)
	269	#endif /* __rtems__ */
	270
	271	#define SYSINIT(uniquifier, subsystem, order, func, ident) \
	272	C_SYSINIT(uniquifier, subsystem, order, \
	273	(sysinit_cfunc_t)(sysinit_nfunc_t)func, (void *)(ident))
	274
	275	/*
	276	* Called on module unload: no special processing
	277	*/
	278	#ifndef __rtems__
	279	#define C_SYSUNINIT(uniquifier, subsystem, order, func, ident) \
	280	static struct sysinit uniquifier ## _sys_uninit = { \
	281	subsystem, \
	282	order, \
	283	func, \
	284	(ident) \
	285	}; \
	286	DATA_SET(sysuninit_set,uniquifier ## _sys_uninit)
	287	#else /* __rtems__ */
	288	#define C_SYSUNINIT(uniquifier, subsystem, order, func, ident)
	289	#endif /* __rtems__ */
	290
	291	#define SYSUNINIT(uniquifier, subsystem, order, func, ident) \
	292	C_SYSUNINIT(uniquifier, subsystem, order, \
	293	(sysinit_cfunc_t)(sysinit_nfunc_t)func, (void *)(ident))
	294
	295	void sysinit_add(struct sysinit set, struct sysinit set_end);
	296
	297	#ifndef __rtems__
	298	/*
	299	* Infrastructure for tunable 'constants'. Value may be specified at compile
	300	* time or kernel load time. Rules relating tunables together can be placed
	301	* in a SYSINIT function at SI_SUB_TUNABLES with SI_ORDER_LAST.
	302	*
	303	* WARNING: developers should never use the reserved suffixes specified in
	304	* loader.conf(5) for any tunables or conflicts will result.
	305	*/
	306
	307	/*
	308	* int
	309	* please avoid using for new tunables!
	310	*/
	311	extern void tunable_int_init(void *);
	312	struct tunable_int {
	313	const char *path;
	314	int *var;
	315	};
	316	#define TUNABLE_INT(path, var) \
	317	static struct tunable_int __CONCAT(__tunable_int_, __LINE__) = { \
	318	(path), \
	319	(var), \
	320	}; \
	321	SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \
	322	SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_int_init, \
	323	&__CONCAT(__tunable_int_, __LINE__))
	324
	325	#define TUNABLE_INT_FETCH(path, var) getenv_int((path), (var))
	326
	327	/*
	328	* long
	329	*/
	330	extern void tunable_long_init(void *);
	331	struct tunable_long {
	332	const char *path;
	333	long *var;
	334	};
	335	#define TUNABLE_LONG(path, var) \
	336	static struct tunable_long __CONCAT(__tunable_long_, __LINE__) = { \
	337	(path), \
	338	(var), \
	339	}; \
	340	SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \
	341	SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_long_init,\
	342	&__CONCAT(__tunable_long_, __LINE__))
	343
	344	#define TUNABLE_LONG_FETCH(path, var) getenv_long((path), (var))
	345
	346	/*
	347	* unsigned long
	348	*/
	349	extern void tunable_ulong_init(void *);
	350	struct tunable_ulong {
	351	const char *path;
	352	unsigned long *var;
	353	};
	354	#define TUNABLE_ULONG(path, var) \
	355	static struct tunable_ulong __CONCAT(__tunable_ulong_, __LINE__) = { \
	356	(path), \
	357	(var), \
	358	}; \
	359	SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \
	360	SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_ulong_init, \
	361	&__CONCAT(__tunable_ulong_, __LINE__))
	362
	363	#define TUNABLE_ULONG_FETCH(path, var) getenv_ulong((path), (var))
	364
	365	/*
	366	* quad
	367	*/
	368	extern void tunable_quad_init(void *);
	369	struct tunable_quad {
	370	const char *path;
	371	quad_t *var;
	372	};
	373	#define TUNABLE_QUAD(path, var) \
	374	static struct tunable_quad __CONCAT(__tunable_quad_, __LINE__) = { \
	375	(path), \
	376	(var), \
	377	}; \
	378	SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \
	379	SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_quad_init, \
	380	&__CONCAT(__tunable_quad_, __LINE__))
	381
	382	#define TUNABLE_QUAD_FETCH(path, var) getenv_quad((path), (var))
	383
	384	extern void tunable_str_init(void *);
	385	struct tunable_str {
	386	const char *path;
	387	char *var;
	388	int size;
	389	};
	390	#define TUNABLE_STR(path, var, size) \
	391	static struct tunable_str __CONCAT(__tunable_str_, __LINE__) = { \
	392	(path), \
	393	(var), \
	394	(size), \
	395	}; \
	396	SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \
	397	SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_str_init, \
	398	&__CONCAT(__tunable_str_, __LINE__))
	399
	400	#define TUNABLE_STR_FETCH(path, var, size) \
	401	getenv_string((path), (var), (size))
	402	#else /* __rtems__ */
	403	#define TUNABLE_INT(path, var)
	404	#define TUNABLE_INT_FETCH(path, var)
	405	#define TUNABLE_LONG(path, var)
	406	#define TUNABLE_LONG_FETCH(path, var)
	407	#define TUNABLE_ULONG(path, var)
	408	#define TUNABLE_ULONG_FETCH(path, var)
	409	#define TUNABLE_QUAD(path, var)
	410	#define TUNABLE_QUAD_FETCH(path, var)
	411	#define TUNABLE_STR(path, var, size)
	412	#define TUNABLE_STR_FETCH(path, var, size)
	413	#endif /* __rtems__ */
	414
	415	struct intr_config_hook {
	416	TAILQ_ENTRY(intr_config_hook) ich_links;
	417	void (ich_func)(void arg);
	418	void *ich_arg;
	419	};
	420
	421	int config_intrhook_establish(struct intr_config_hook *hook);
	422	void config_intrhook_disestablish(struct intr_config_hook *hook);
	423
[e599318]	424	#endif /* !_SYS_KERNEL_H_*/

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