From owner-svn-src-head@FreeBSD.ORG Mon Mar 30 19:10:10 2015 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B4DC2585; Mon, 30 Mar 2015 19:10:10 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 961FD61C; Mon, 30 Mar 2015 19:10:10 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t2UJAAYF059944; Mon, 30 Mar 2015 19:10:10 GMT (envelope-from andrew@FreeBSD.org) Received: (from andrew@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t2UJAA7t059943; Mon, 30 Mar 2015 19:10:10 GMT (envelope-from andrew@FreeBSD.org) Message-Id: <201503301910.t2UJAA7t059943@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: andrew set sender to andrew@FreeBSD.org using -f From: Andrew Turner Date: Mon, 30 Mar 2015 19:10:10 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r280862 - head/lib/libthr/arch/aarch64/include X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2015 19:10:10 -0000 Author: andrew Date: Mon Mar 30 19:10:09 2015 New Revision: 280862 URL: https://svnweb.freebsd.org/changeset/base/280862 Log: Add pthread_md.h for arm64. Differential Revision: https://reviews.freebsd.org/D2137 Reviewed by: kib Sponsored by: The FreeBSD Foundation Added: head/lib/libthr/arch/aarch64/include/ head/lib/libthr/arch/aarch64/include/pthread_md.h (contents, props changed) Added: head/lib/libthr/arch/aarch64/include/pthread_md.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libthr/arch/aarch64/include/pthread_md.h Mon Mar 30 19:10:09 2015 (r280862) @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2005 David Xu . + * Copyright (c) 2014 the FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by Andrew Turner + * under sponsorship from the FreeBSD Foundation + * + * 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 +#include +#include + +#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; + struct pthread *tcb_thread; +}; + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + + __asm __volatile("msr tpidr_el0, %x0" :: "r" (tcb)); +} + +/* + * Get the current tcb. + */ +static __inline struct tcb * +_tcb_get(void) +{ + struct tcb *tcb; + + __asm __volatile("mrs %x0, tpidr_el0" : "=r" (tcb)); + return (tcb); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + + return (_tcb_get()->tcb_thread); +} + +#endif /* _PTHREAD_MD_H_ */