mirror of
https://github.com/opnsense/src.git
synced 2026-02-16 17:19:56 -05:00
718fb5ba5b
Fix more warnings about redundant declarations. Reviewed by: kib emaste MFC after: 3 days Sponsored by: Dell EMC Differential Revision: https://reviews.freebsd.org/D10932
91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*
|
|
* Copyright 2004 by Peter Grehan. 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Machine-dependent thread prototypes/definitions.
|
|
*/
|
|
#ifndef _PTHREAD_MD_H_
|
|
#define _PTHREAD_MD_H_
|
|
|
|
#include <stddef.h>
|
|
#include <sys/types.h>
|
|
|
|
#define CPU_SPINWAIT
|
|
|
|
#define DTV_OFFSET offsetof(struct tcb, tcb_dtv)
|
|
#ifdef __powerpc64__
|
|
#define TP_OFFSET 0x7010
|
|
#else
|
|
#define TP_OFFSET 0x7008
|
|
#endif
|
|
|
|
/*
|
|
* Variant I tcb. The structure layout is fixed, don't blindly
|
|
* change it.
|
|
* %r2 (32-bit) or %r13 (64-bit) points to end of the structure.
|
|
*/
|
|
struct tcb {
|
|
void *tcb_dtv;
|
|
struct pthread *tcb_thread;
|
|
};
|
|
|
|
static __inline void
|
|
_tcb_set(struct tcb *tcb)
|
|
{
|
|
#ifdef __powerpc64__
|
|
__asm __volatile("mr 13,%0" ::
|
|
"r"((uint8_t *)tcb + TP_OFFSET));
|
|
#else
|
|
__asm __volatile("mr 2,%0" ::
|
|
"r"((uint8_t *)tcb + TP_OFFSET));
|
|
#endif
|
|
}
|
|
|
|
static __inline struct tcb *
|
|
_tcb_get(void)
|
|
{
|
|
register uint8_t *_tp;
|
|
#ifdef __powerpc64__
|
|
__asm __volatile("mr %0,13" : "=r"(_tp));
|
|
#else
|
|
__asm __volatile("mr %0,2" : "=r"(_tp));
|
|
#endif
|
|
|
|
return ((struct tcb *)(_tp - TP_OFFSET));
|
|
}
|
|
|
|
static __inline struct pthread *
|
|
_get_curthread(void)
|
|
{
|
|
if (_thr_initial)
|
|
return (_tcb_get()->tcb_thread);
|
|
return (NULL);
|
|
}
|
|
|
|
#endif /* _PTHREAD_MD_H_ */
|