1a091d823SDavid Xu /*-
24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause
35e53a4f9SPedro F. Giffuni *
4a091d823SDavid Xu * Copyright (C) 2003 David Xu <davidxu@freebsd.org>
5a091d823SDavid Xu * Copyright (c) 2001 Daniel Eischen <deischen@freebsd.org>
6a091d823SDavid Xu * All rights reserved.
7a091d823SDavid Xu *
8a091d823SDavid Xu * Redistribution and use in source and binary forms, with or without
9a091d823SDavid Xu * modification, are permitted provided that the following conditions
10a091d823SDavid Xu * are met:
11a091d823SDavid Xu * 1. Redistributions of source code must retain the above copyright
12a091d823SDavid Xu * notice, this list of conditions and the following disclaimer.
13a091d823SDavid Xu * 2. Neither the name of the author nor the names of its contributors
14a091d823SDavid Xu * may be used to endorse or promote products derived from this software
15a091d823SDavid Xu * without specific prior written permission.
16a091d823SDavid Xu *
17a091d823SDavid Xu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18a091d823SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19a091d823SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20a091d823SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21a091d823SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22a091d823SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23a091d823SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24a091d823SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25a091d823SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26a091d823SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27a091d823SDavid Xu * SUCH DAMAGE.
28a091d823SDavid Xu */
29a091d823SDavid Xu
30a091d823SDavid Xu /*
31a091d823SDavid Xu * Machine-dependent thread prototypes/definitions.
32a091d823SDavid Xu */
33a091d823SDavid Xu #ifndef _PTHREAD_MD_H_
34a091d823SDavid Xu #define _PTHREAD_MD_H_
35a091d823SDavid Xu
36a091d823SDavid Xu #include <stddef.h>
37a091d823SDavid Xu #include <sys/types.h>
3875395023SJohn Baldwin #include <machine/tls.h>
39d99f6dacSDavid Xu
40d99f6dacSDavid Xu #define CPU_SPINWAIT __asm __volatile("pause")
41a091d823SDavid Xu
42c7904405SAndrew Turner /* For use in _Static_assert to check structs will fit in a page */
43c7904405SAndrew Turner #define THR_PAGE_SIZE_MIN PAGE_SIZE
44c7904405SAndrew Turner
45a091d823SDavid Xu static __inline struct pthread *
_get_curthread(void)46a091d823SDavid Xu _get_curthread(void)
47a091d823SDavid Xu {
4875395023SJohn Baldwin struct pthread *thr;
4975395023SJohn Baldwin
50657b1276SRyan Libby __asm __volatile("movq %%fs:%c1, %0" : "=r" (thr)
51657b1276SRyan Libby : "i" (offsetof(struct tcb, tcb_thread)));
5275395023SJohn Baldwin return (thr);
53a091d823SDavid Xu }
54d6e0eb0aSDavid Xu
555670b8ccSMichal Meloun static __inline void
_thr_resolve_machdep(void)565670b8ccSMichal Meloun _thr_resolve_machdep(void)
575670b8ccSMichal Meloun {
585670b8ccSMichal Meloun }
595670b8ccSMichal Meloun
60*6b96e7a5SKonstantin Belousov void __thr_setup_tsd(struct pthread *thread);
61*6b96e7a5SKonstantin Belousov
62a091d823SDavid Xu #endif
63