Move rtems/freebsd to freebsd and contrib to freebsd/contrib

1 files changed, 424 insertions, 0 deletions

diff --git a/freebsd/sys/kernel.h b/freebsd/sys/kernel.h
new file mode 100644
index 00000000..70ce1f2c
--- /dev/null
+++ b/freebsd/sys/kernel.h
@@ -0,0 +1,424 @@
+/*-
+ * Copyright (c) 1995 Terrence R. Lambert
+ * All rights reserved.
+ *
+ * Copyright (c) 1990, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 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.
+ *
+ *	@(#)kernel.h	8.3 (Berkeley) 1/21/94
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_KERNEL_HH_
+#define	_SYS_KERNEL_HH_
+
+#include <rtems/freebsd/sys/linker_set.h>
+
+#ifdef _KERNEL
+
+/* for intrhook below */
+#include <rtems/freebsd/sys/queue.h>
+
+/* Global variables for the kernel. */
+
+#ifndef __rtems__
+/* 1.1 */
+extern char kernelname[MAXPATHLEN];
+#endif /* __rtems__ */
+
+extern int tick;			/* usec per tick (1000000 / hz) */
+extern int hz;				/* system clock's frequency */
+extern int psratio;			/* ratio: prof / stat */
+extern int stathz;			/* statistics clock's frequency */
+extern int profhz;			/* profiling clock's frequency */
+extern int profprocs;			/* number of process's profiling */
+#ifndef __rtems__
+extern int ticks;
+#endif /* __rtems__ */
+
+#endif /* _KERNEL */
+
+/*
+ * Enumerated types for known system startup interfaces.
+ *
+ * Startup occurs in ascending numeric order; the list entries are
+ * sorted prior to attempting startup to guarantee order.  Items
+ * of the same level are arbitrated for order based on the 'order'
+ * element.
+ *
+ * These numbers are arbitrary and are chosen ONLY for ordering; the
+ * enumeration values are explicit rather than implicit to provide
+ * for binary compatibility with inserted elements.
+ *
+ * The SI_SUB_RUN_SCHEDULER value must have the highest lexical value.
+ *
+ * The SI_SUB_SWAP values represent a value used by
+ * the BSD 4.4Lite but not by FreeBSD; it is maintained in dependent
+ * order to support porting.
+ *
+ * The SI_SUB_PROTO_BEGIN and SI_SUB_PROTO_END bracket a range of
+ * initializations to take place at splimp().  This is a historical
+ * wart that should be removed -- probably running everything at
+ * splimp() until the first init that doesn't want it is the correct
+ * fix.  They are currently present to ensure historical behavior.
+ */
+enum sysinit_sub_id {
+	SI_SUB_DUMMY		= 0x0000000,	/* not executed; for linker*/
+	SI_SUB_DONE		= 0x0000001,	/* processed*/
+	SI_SUB_TUNABLES		= 0x0700000,	/* establish tunable values */
+	SI_SUB_COPYRIGHT	= 0x0800001,	/* first use of console*/
+	SI_SUB_SETTINGS		= 0x0880000,	/* check and recheck settings */
+	SI_SUB_MTX_POOL_STATIC	= 0x0900000,	/* static mutex pool */
+	SI_SUB_LOCKMGR		= 0x0980000,	/* lockmgr locks */
+	SI_SUB_VM		= 0x1000000,	/* virtual memory system init*/
+	SI_SUB_KMEM		= 0x1800000,	/* kernel memory*/
+	SI_SUB_KVM_RSRC		= 0x1A00000,	/* kvm operational limits*/
+	SI_SUB_WITNESS		= 0x1A80000,	/* witness initialization */
+	SI_SUB_MTX_POOL_DYNAMIC	= 0x1AC0000,	/* dynamic mutex pool */
+	SI_SUB_LOCK		= 0x1B00000,	/* various locks */
+	SI_SUB_EVENTHANDLER	= 0x1C00000,	/* eventhandler init */
+	SI_SUB_VNET_PRELINK	= 0x1E00000,	/* vnet init before modules */
+	SI_SUB_KLD		= 0x2000000,	/* KLD and module setup */
+	SI_SUB_CPU		= 0x2100000,	/* CPU resource(s)*/
+	SI_SUB_RANDOM		= 0x2120000,	/* random number generator */
+	SI_SUB_KDTRACE		= 0x2140000,	/* Kernel dtrace hooks */
+	SI_SUB_MAC		= 0x2180000,	/* TrustedBSD MAC subsystem */
+	SI_SUB_MAC_POLICY	= 0x21C0000,	/* TrustedBSD MAC policies */
+	SI_SUB_MAC_LATE		= 0x21D0000,	/* TrustedBSD MAC subsystem */
+	SI_SUB_VNET		= 0x21E0000,	/* vnet 0 */
+	SI_SUB_INTRINSIC	= 0x2200000,	/* proc 0*/
+	SI_SUB_VM_CONF		= 0x2300000,	/* config VM, set limits*/
+	SI_SUB_DDB_SERVICES	= 0x2380000,	/* capture, scripting, etc. */
+	SI_SUB_RUN_QUEUE	= 0x2400000,	/* set up run queue*/
+	SI_SUB_KTRACE		= 0x2480000,	/* ktrace */
+	SI_SUB_OPENSOLARIS	= 0x2490000,	/* OpenSolaris compatibility */
+	SI_SUB_CYCLIC		= 0x24A0000,	/* Cyclic timers */
+	SI_SUB_AUDIT		= 0x24C0000,	/* audit */
+	SI_SUB_CREATE_INIT	= 0x2500000,	/* create init process*/
+	SI_SUB_SCHED_IDLE	= 0x2600000,	/* required idle procs */
+	SI_SUB_MBUF		= 0x2700000,	/* mbuf subsystem */
+	SI_SUB_INTR		= 0x2800000,	/* interrupt threads */
+	SI_SUB_SOFTINTR		= 0x2800001,	/* start soft interrupt thread */
+	SI_SUB_ACL		= 0x2900000,	/* start for filesystem ACLs */
+	SI_SUB_DEVFS		= 0x2F00000,	/* devfs ready for devices */
+	SI_SUB_INIT_IF		= 0x3000000,	/* prep for net interfaces */
+	SI_SUB_NETGRAPH		= 0x3010000,	/* Let Netgraph initialize */
+	SI_SUB_DTRACE		= 0x3020000,	/* DTrace subsystem */
+	SI_SUB_DTRACE_PROVIDER	= 0x3048000,	/* DTrace providers */
+	SI_SUB_DTRACE_ANON	= 0x308C000,	/* DTrace anon enabling */
+	SI_SUB_DRIVERS		= 0x3100000,	/* Let Drivers initialize */
+	SI_SUB_CONFIGURE	= 0x3800000,	/* Configure devices */
+	SI_SUB_VFS		= 0x4000000,	/* virtual filesystem*/
+	SI_SUB_CLOCKS		= 0x4800000,	/* real time and stat clocks*/
+	SI_SUB_CLIST		= 0x5800000,	/* clists*/
+	SI_SUB_SYSV_SHM		= 0x6400000,	/* System V shared memory*/
+	SI_SUB_SYSV_SEM		= 0x6800000,	/* System V semaphores*/
+	SI_SUB_SYSV_MSG		= 0x6C00000,	/* System V message queues*/
+	SI_SUB_P1003_1B		= 0x6E00000,	/* P1003.1B realtime */
+	SI_SUB_PSEUDO		= 0x7000000,	/* pseudo devices*/
+	SI_SUB_EXEC		= 0x7400000,	/* execve() handlers */
+	SI_SUB_PROTO_BEGIN	= 0x8000000,	/* XXX: set splimp (kludge)*/
+	SI_SUB_PROTO_IF		= 0x8400000,	/* interfaces*/
+	SI_SUB_PROTO_DOMAININIT	= 0x8600000,	/* domain registration system */
+	SI_SUB_PROTO_DOMAIN	= 0x8800000,	/* domains (address families?)*/
+	SI_SUB_PROTO_IFATTACHDOMAIN	= 0x8800001,	/* domain dependent data init*/
+	SI_SUB_PROTO_END	= 0x8ffffff,	/* XXX: set splx (kludge)*/
+	SI_SUB_KPROF		= 0x9000000,	/* kernel profiling*/
+	SI_SUB_KICK_SCHEDULER	= 0xa000000,	/* start the timeout events*/
+	SI_SUB_INT_CONFIG_HOOKS	= 0xa800000,	/* Interrupts enabled config */
+	SI_SUB_ROOT_CONF	= 0xb000000,	/* Find root devices */
+	SI_SUB_DUMP_CONF	= 0xb200000,	/* Find dump devices */
+	SI_SUB_RAID		= 0xb380000,	/* Configure GEOM classes */
+	SI_SUB_SWAP		= 0xc000000,	/* swap */
+	SI_SUB_INTRINSIC_POST	= 0xd000000,	/* proc 0 cleanup*/
+	SI_SUB_SYSCALLS		= 0xd800000,	/* register system calls */
+	SI_SUB_VNET_DONE	= 0xdc00000,	/* vnet registration complete */
+	SI_SUB_KTHREAD_INIT	= 0xe000000,	/* init process*/
+	SI_SUB_KTHREAD_PAGE	= 0xe400000,	/* pageout daemon*/
+	SI_SUB_KTHREAD_VM	= 0xe800000,	/* vm daemon*/
+	SI_SUB_KTHREAD_BUF	= 0xea00000,	/* buffer daemon*/
+	SI_SUB_KTHREAD_UPDATE	= 0xec00000,	/* update daemon*/
+	SI_SUB_KTHREAD_IDLE	= 0xee00000,	/* idle procs*/
+	SI_SUB_SMP		= 0xf000000,	/* start the APs*/
+	SI_SUB_RUN_SCHEDULER	= 0xfffffff	/* scheduler*/
+};
+
+
+/*
+ * Some enumerated orders; "ANY" sorts last.
+ */
+enum sysinit_elem_order {
+	SI_ORDER_FIRST		= 0x0000000,	/* first*/
+	SI_ORDER_SECOND		= 0x0000001,	/* second*/
+	SI_ORDER_THIRD		= 0x0000002,	/* third*/
+	SI_ORDER_FOURTH		= 0x0000003,	/* fourth*/
+	SI_ORDER_MIDDLE		= 0x1000000,	/* somewhere in the middle */
+	SI_ORDER_ANY		= 0xfffffff	/* last*/
+};
+
+
+/*
+ * A system initialization call instance
+ *
+ * At the moment there is one instance of sysinit.  We probably do not
+ * want two which is why this code is if'd out, but we definitely want
+ * to discern SYSINIT's which take non-constant data pointers and
+ * SYSINIT's which take constant data pointers,
+ *
+ * The C_* macros take functions expecting const void * arguments
+ * while the non-C_* macros take functions expecting just void * arguments.
+ *
+ * With -Wcast-qual on, the compiler issues warnings:
+ *	- if we pass non-const data or functions taking non-const data
+ *	  to a C_* macro.
+ *
+ *	- if we pass const data to the normal macros
+ *
+ * However, no warning is issued if we pass a function taking const data
+ * through a normal non-const macro.  This is ok because the function is
+ * saying it won't modify the data so we don't care whether the data is
+ * modifiable or not.
+ */
+
+typedef void (*sysinit_nfunc_t)(void *);
+typedef void (*sysinit_cfunc_t)(const void *);
+
+struct sysinit {
+	enum sysinit_sub_id	subsystem;	/* subsystem identifier*/
+	enum sysinit_elem_order	order;		/* init order within subsystem*/
+	sysinit_cfunc_t func;			/* function		*/
+	const void	*udata;			/* multiplexer/argument */
+};
+
+/*
+ * Default: no special processing
+ *
+ * The C_ version of SYSINIT is for data pointers to const
+ * data ( and functions taking data pointers to const data ).
+ * At the moment it is no different from SYSINIT and thus
+ * still results in warnings.
+ *
+ * The casts are necessary to have the compiler produce the
+ * correct warnings when -Wcast-qual is used.
+ *
+ */
+#ifndef __rtems__
+#define	C_SYSINIT(uniquifier, subsystem, order, func, ident)	\
+	static struct sysinit uniquifier ## _sys_init = {	\
+		subsystem,					\
+		order,						\
+		func,						\
+		(ident)						\
+	};							\
+	DATA_SET(sysinit_set,uniquifier ## _sys_init)
+#else /* __rtems__ */
+#define	SYSINIT_ENTRY_NAME(uniquifier)				\
+	_bsd_ ## uniquifier ## _sys_init
+#define	SYSINIT_REFERENCE_NAME(uniquifier)			\
+	_bsd_ ## uniquifier ## _sys_init_ref
+#define	C_SYSINIT(uniquifier, subsystem, order, func, ident)	\
+	struct sysinit SYSINIT_ENTRY_NAME(uniquifier) = {	\
+		subsystem,					\
+		order,						\
+		func,						\
+		(ident)						\
+	};							\
+	DATA_SET(sysinit_set,SYSINIT_ENTRY_NAME(uniquifier))
+#define	SYSINIT_REFERENCE(uniquifier)				\
+	extern struct sysinit SYSINIT_ENTRY_NAME(uniquifier);	\
+	static struct sysinit const * const			\
+	SYSINIT_REFERENCE_NAME(uniquifier) __used		\
+	= &SYSINIT_ENTRY_NAME(uniquifier)
+#define	SYSINIT_MODULE_REFERENCE(mod)				\
+	SYSINIT_REFERENCE(mod ## module)
+#define	SYSINIT_DRIVER_REFERENCE(driver, bus)			\
+	SYSINIT_MODULE_REFERENCE(driver ## _ ## bus)
+#endif /* __rtems__ */
+
+#define	SYSINIT(uniquifier, subsystem, order, func, ident)	\
+	C_SYSINIT(uniquifier, subsystem, order,			\
+	(sysinit_cfunc_t)(sysinit_nfunc_t)func, (void *)(ident))
+
+/*
+ * Called on module unload: no special processing
+ */
+#ifndef __rtems__
+#define	C_SYSUNINIT(uniquifier, subsystem, order, func, ident)	\
+	static struct sysinit uniquifier ## _sys_uninit = {	\
+		subsystem,					\
+		order,						\
+		func,						\
+		(ident)						\
+	};							\
+	DATA_SET(sysuninit_set,uniquifier ## _sys_uninit)
+#else /* __rtems__ */
+#define	C_SYSUNINIT(uniquifier, subsystem, order, func, ident)
+#endif /* __rtems__ */
+
+#define	SYSUNINIT(uniquifier, subsystem, order, func, ident)	\
+	C_SYSUNINIT(uniquifier, subsystem, order,		\
+	(sysinit_cfunc_t)(sysinit_nfunc_t)func, (void *)(ident))
+
+void	sysinit_add(struct sysinit **set, struct sysinit **set_end);
+
+#ifndef __rtems__
+/*
+ * Infrastructure for tunable 'constants'.  Value may be specified at compile
+ * time or kernel load time.  Rules relating tunables together can be placed
+ * in a SYSINIT function at SI_SUB_TUNABLES with SI_ORDER_LAST.
+ *
+ * WARNING: developers should never use the reserved suffixes specified in
+ * loader.conf(5) for any tunables or conflicts will result.
+ */
+
+/*
+ * int
+ * please avoid using for new tunables!
+ */
+extern void tunable_int_init(void *);
+struct tunable_int {
+	const char *path;
+	int *var;
+};
+#define	TUNABLE_INT(path, var)					\
+	static struct tunable_int __CONCAT(__tunable_int_, __LINE__) = { \
+		(path),						\
+		(var),						\
+	};							\
+	SYSINIT(__CONCAT(__Tunable_init_, __LINE__),		\
+	    SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_int_init,	\
+	    &__CONCAT(__tunable_int_, __LINE__))
+
+#define	TUNABLE_INT_FETCH(path, var)	getenv_int((path), (var))
+
+/*
+ * long
+ */
+extern void tunable_long_init(void *);
+struct tunable_long {
+	const char *path;
+	long *var;
+};
+#define	TUNABLE_LONG(path, var)					\
+	static struct tunable_long __CONCAT(__tunable_long_, __LINE__) = { \
+		(path),						\
+		(var),						\
+	};							\
+	SYSINIT(__CONCAT(__Tunable_init_, __LINE__),		\
+	    SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_long_init,\
+	    &__CONCAT(__tunable_long_, __LINE__))
+
+#define	TUNABLE_LONG_FETCH(path, var)	getenv_long((path), (var))
+
+/*
+ * unsigned long
+ */
+extern void tunable_ulong_init(void *);
+struct tunable_ulong {
+	const char *path;
+	unsigned long *var;
+};
+#define	TUNABLE_ULONG(path, var)				\
+	static struct tunable_ulong __CONCAT(__tunable_ulong_, __LINE__) = { \
+		(path),						\
+		(var),						\
+	};							\
+	SYSINIT(__CONCAT(__Tunable_init_, __LINE__),		\
+	    SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_ulong_init, \
+	    &__CONCAT(__tunable_ulong_, __LINE__))
+
+#define	TUNABLE_ULONG_FETCH(path, var)	getenv_ulong((path), (var))
+
+/*
+ * quad
+ */
+extern void tunable_quad_init(void *);
+struct tunable_quad {
+	const char *path;
+	quad_t *var;
+};
+#define	TUNABLE_QUAD(path, var)					\
+	static struct tunable_quad __CONCAT(__tunable_quad_, __LINE__) = { \
+		(path),						\
+		(var),						\
+	};							\
+	SYSINIT(__CONCAT(__Tunable_init_, __LINE__),		\
+	    SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_quad_init, \
+	    &__CONCAT(__tunable_quad_, __LINE__))
+
+#define	TUNABLE_QUAD_FETCH(path, var)	getenv_quad((path), (var))
+
+extern void tunable_str_init(void *);
+struct tunable_str {
+	const char *path;
+	char *var;
+	int size;
+};
+#define	TUNABLE_STR(path, var, size)				\
+	static struct tunable_str __CONCAT(__tunable_str_, __LINE__) = { \
+		(path),						\
+		(var),						\
+		(size),						\
+	};							\
+	SYSINIT(__CONCAT(__Tunable_init_, __LINE__),		\
+	    SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_str_init,	\
+	    &__CONCAT(__tunable_str_, __LINE__))
+
+#define	TUNABLE_STR_FETCH(path, var, size)			\
+	getenv_string((path), (var), (size))
+#else /* __rtems__ */
+#define TUNABLE_INT(path, var)
+#define TUNABLE_INT_FETCH(path, var)
+#define TUNABLE_LONG(path, var)
+#define TUNABLE_LONG_FETCH(path, var)
+#define TUNABLE_ULONG(path, var)
+#define TUNABLE_ULONG_FETCH(path, var)
+#define TUNABLE_QUAD(path, var)
+#define TUNABLE_QUAD_FETCH(path, var)
+#define TUNABLE_STR(path, var, size)
+#define TUNABLE_STR_FETCH(path, var, size)
+#endif /* __rtems__ */
+
+struct intr_config_hook {
+	TAILQ_ENTRY(intr_config_hook) ich_links;
+	void	(*ich_func)(void *arg);
+	void	*ich_arg;
+};
+
+int	config_intrhook_establish(struct intr_config_hook *hook);
+void	config_intrhook_disestablish(struct intr_config_hook *hook);
+
+#endif /* !_SYS_KERNEL_HH_*/