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/*
* Copyright (c) 2003 Marcel Moolenaar
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* $FreeBSD$
*/
#ifndef _KSD_H_
#define _KSD_H_
struct kse;
struct pthread;
register struct kse *_tp __asm("%r13");
static __inline int
_ksd_create(struct ksd *ksd, void *base, int size)
{
ksd->ksd_base = base;
ksd->ksd_size = size;
return (0);
}
static __inline struct kse *
_ksd_curkse()
{
/* XXX why not simply return _tp? */
return ((struct kse *)_tp->k_mbx.km_udata);
}
static __inline struct pthread *
_ksd_curthread()
{
return (_tp->k_curthread);
}
static __inline void
_ksd_destroy(struct ksd *ksd)
{
}
static __inline kse_critical_t
_ksd_get_tmbx()
{
return (_tp->k_mbx.km_curthread);
}
static __inline kse_critical_t
_ksd_readandclear_tmbx()
{
kse_critical_t crit;
__asm("xchg8 %0=[%1],r0" : "=r"(crit)
: "r"(&_tp->k_mbx.km_curthread));
return (crit);
}
static __inline void
_ksd_set_tmbx(kse_critical_t crit)
{
_tp->k_mbx.km_curthread = crit;
}
static __inline int
_ksd_setprivate(struct ksd *ksd)
{
_tp = (struct kse *)ksd->ksd_base;
return (0);
}
#endif /* _KSD_H_ */
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