mirror of
https://github.com/opnsense/src.git
synced 2026-04-03 00:15:16 -04:00
4d9488674f
This was only needed on 32-bit arm prior to ARMv6. As we only support ARMv6 or later remove it. Reviewed by: mannu Sponsored by: Innovate UK Differential Revision: https://reviews.freebsd.org/D29624
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2005 David Xu <davidxu@freebsd.org>.
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Machine-dependent thread prototypes/definitions.
|
|
*/
|
|
#ifndef _PTHREAD_MD_H_
|
|
#define _PTHREAD_MD_H_
|
|
|
|
#include <sys/types.h>
|
|
#include <machine/sysarch.h>
|
|
#include <stddef.h>
|
|
|
|
#define CPU_SPINWAIT
|
|
#define DTV_OFFSET offsetof(struct tcb, tcb_dtv)
|
|
|
|
/*
|
|
* Variant I tcb. The structure layout is fixed, don't blindly
|
|
* change it.
|
|
*/
|
|
struct tcb {
|
|
void *tcb_dtv; /* required by rtld */
|
|
struct pthread *tcb_thread; /* our hook */
|
|
};
|
|
|
|
/* Called from the thread to set its private data. */
|
|
static __inline void
|
|
_tcb_set(struct tcb *tcb)
|
|
{
|
|
sysarch(ARM_SET_TP, tcb);
|
|
}
|
|
|
|
/*
|
|
* Get the current tcb.
|
|
*/
|
|
static __inline struct tcb *
|
|
_tcb_get(void)
|
|
{
|
|
struct tcb *tcb;
|
|
|
|
__asm __volatile("mrc p15, 0, %0, c13, c0, 3" \
|
|
: "=r" (tcb));
|
|
return (tcb);
|
|
}
|
|
|
|
static __inline struct pthread *
|
|
_get_curthread(void)
|
|
{
|
|
if (_thr_initial)
|
|
return (_tcb_get()->tcb_thread);
|
|
return (NULL);
|
|
}
|
|
|
|
#endif /* _PTHREAD_MD_H_ */
|