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/*

 * Copyright (c) 2005-2007, Kohsuke Ohtani

 * All rights reserved.

 *

 * 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. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.

 */

#ifndef _SYS_H

#define _SYS_H

#ifndef KERNEL

#include <conf/config.h>

#include <sys/cdefs.h>

#include <sys/types.h>

#include <sys/param.h>

#include <sys/sysinfo.h>

#include <sys/capability.h>

#include <sys/dbgctl.h>

/*

 * vm_option for task_crate()

 */

#define VM_NEW                0

#define VM_SHARE        1

#define VM_COPY                2

/*

 * protection flags for vm_attribute()

 */

#define        PROT_READ        0x1                /* pages can be read */

#define        PROT_WRITE        0x2                /* pages can be written */

#define        PROT_EXEC        0x4                /* pages can be executed */

/*

 * Device open mode for device_open()

 */

#define DO_RDONLY        0x0

#define DO_WRONLY        0x1

#define DO_RDWR                0x2

#define DO_RWMASK        0x3

/*

 * Scheduling policy

 */

#define SCHED_FIFO        0        /* First In First Out */

#define SCHED_RR        1        /* Round Robin */

#define SCHED_OTHER        2        /* Other */

/* Default exception handler */

#define EXC_DFL                ((void (*)(int)) -1)

/*

 * Synch initializer

 */

#define MUTEX_INITIALIZER        (mutex_t)0x4d496e69

#define COND_INITIALIZER        (cond_t)0x43496e69

__BEGIN_DECLS

void        exception_return(void);

int        exception_setup(void (*handler)(int));

int        exception_raise(task_t task, int excno);

int        exception_wait(int *excno);

int        task_create(task_t parent, int vm_option, task_t *childp);

int        task_terminate(task_t task);

task_t        task_self(void);

int        task_suspend(task_t task);

int        task_resume(task_t task);

int        task_setname(task_t task, const char *name);

int        task_setcap(task_t task, cap_t cap);

int        task_chkcap(task_t task, cap_t cap);

int        thread_create(task_t task, thread_t *tp);

int        thread_terminate(thread_t t);

int        thread_load(thread_t t, void (*entry)(void), void *stack);

thread_t thread_self(void);

void        thread_yield(void);

int        thread_suspend(thread_t t);

int        thread_resume(thread_t t);

int        thread_getpri(thread_t t, int *pri);

int        thread_setpri(thread_t t, int        pri);

int        thread_getpolicy(thread_t t, int *policy);

int        thread_setpolicy(thread_t t, int policy);

int        vm_allocate(task_t task, void **addr, size_t size, int anywhere);

int        vm_free(task_t task, void *addr);

int        vm_attribute(task_t task, void *addr, int prot);

int        vm_map(task_t target, void  *addr, size_t size, void **alloc);

int        object_create(const char *name, object_t *objp);

int        object_destroy(object_t obj);

int        object_lookup(const char *name, object_t *objp);

int        msg_send(object_t obj, void *msg, size_t size);

int        msg_receive(object_t obj, void *msg, size_t size);

int        msg_reply(object_t obj, void *msg, size_t size);

int        timer_sleep(u_long msec, u_long *remain);

int        timer_alarm(u_long msec, u_long *remain);

int        timer_periodic(thread_t t, u_long start, u_long period);

int        timer_waitperiod(void);

int        device_open(const char *name, int mode, device_t *dev);

int        device_close(device_t dev);

int        device_read(device_t dev, void *buf, size_t *nbyte, int blkno);

int        device_write(device_t dev, void *buf, size_t *nbyte, int blkno);

int        device_ioctl(device_t dev, u_long cmd, void *arg);

int        mutex_init(mutex_t *mp);

int        mutex_destroy(mutex_t *mp);

int        mutex_trylock(mutex_t *mp);

int        mutex_lock(mutex_t *mp);

int        mutex_unlock(mutex_t *mp);

int        cond_init(cond_t *cp);

int        cond_destroy(cond_t *cp);

int        cond_wait(cond_t *cp, mutex_t *mp);

int        cond_signal(cond_t *cp);

int        cond_broadcast(cond_t *cp);

int        sem_init(sem_t *sp, u_int value);

int        sem_destroy(sem_t *sp);

int        sem_wait(sem_t *sp, u_long timeout);

int        sem_trywait(sem_t *sp);

int        sem_post(sem_t *sp);

int        sem_getvalue(sem_t *sp, u_int *value);

int        sys_log(const char *msg);

void        sys_panic(const char *msg);

int        sys_info(int type, void *buf);

int        sys_time(u_long *ticks);

int        sys_debug(int cmd, void *data);

void        panic(const char *fmt, ...);

void        dprintf(const char *fmt, ...);

__END_DECLS

#endif /* KERNEL */

#endif /* !_SYS_H */