diff options
Diffstat (limited to 'lib/libthr/arch/amd64/include/pthread_md.h')
-rw-r--r-- | lib/libthr/arch/amd64/include/pthread_md.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/libthr/arch/amd64/include/pthread_md.h b/lib/libthr/arch/amd64/include/pthread_md.h new file mode 100644 index 000000000000..02b73d90f006 --- /dev/null +++ b/lib/libthr/arch/amd64/include/pthread_md.h @@ -0,0 +1,62 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2003 David Xu <davidxu@freebsd.org> + * Copyright (c) 2001 Daniel Eischen <deischen@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. Neither the name of the author nor the names of its 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. + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> +#include <sys/types.h> +#include <machine/tls.h> + +#define CPU_SPINWAIT __asm __volatile("pause") + +/* For use in _Static_assert to check structs will fit in a page */ +#define THR_PAGE_SIZE_MIN PAGE_SIZE + +static __inline struct pthread * +_get_curthread(void) +{ + struct pthread *thr; + + __asm __volatile("movq %%fs:%c1, %0" : "=r" (thr) + : "i" (offsetof(struct tcb, tcb_thread))); + return (thr); +} + +static __inline void +_thr_resolve_machdep(void) +{ +} + +void __thr_setup_tsd(struct pthread *thread); + +#endif |