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- /*-
- * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
- * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
- * All rights reserved.
- *
- * Portions of this software were developed by SRI International and the
- * University of Cambridge Computer Laboratory under DARPA/AFRL contract
- * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
- *
- * Portions of this software were developed by the University of Cambridge
- * Computer Laboratory as part of the CTSRD Project, with support from the
- * UK Higher Education Innovation Fund (HEIF).
- *
- * 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 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.
- */
- #ifndef _MACHINE_TLS_H_
- #define _MACHINE_TLS_H_
- #include <sys/_tls_variant_i.h>
- #define TLS_DTV_OFFSET 0x800
- #define TLS_TCB_ALIGN 16
- #define TLS_TP_OFFSET 0
- static __inline void
- _tcb_set(struct tcb *tcb)
- {
- __asm __volatile("addi tp, %0, %1" :: "r" (tcb), "I" (TLS_TCB_SIZE));
- }
- static __inline struct tcb *
- _tcb_get(void)
- {
- struct tcb *tcb;
- __asm __volatile("addi %0, tp, %1" : "=r" (tcb) : "I" (-TLS_TCB_SIZE));
- return (tcb);
- }
- #endif /* !_MACHINE_TLS_H_ */
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