11.9Srin/* $NetBSD: pthread_md.h,v 1.9 2020/04/11 09:15:23 rin Exp $ */ 21.2Sthorpej 31.2Sthorpej/* 41.2Sthorpej * Copyright (c) 2001 Wasabi Systems, Inc. 51.2Sthorpej * All rights reserved. 61.2Sthorpej * 71.2Sthorpej * Written by Allen Briggs for Wasabi Systems, Inc. 81.2Sthorpej * 91.2Sthorpej * Redistribution and use in source and binary forms, with or without 101.2Sthorpej * modification, are permitted provided that the following conditions 111.2Sthorpej * are met: 121.2Sthorpej * 1. Redistributions of source code must retain the above copyright 131.2Sthorpej * notice, this list of conditions and the following disclaimer. 141.2Sthorpej * 2. Redistributions in binary form must reproduce the above copyright 151.2Sthorpej * notice, this list of conditions and the following disclaimer in the 161.2Sthorpej * documentation and/or other materials provided with the distribution. 171.2Sthorpej * 3. All advertising materials mentioning features or use of this software 181.2Sthorpej * must display the following acknowledgement: 191.2Sthorpej * This product includes software developed for the NetBSD Project by 201.2Sthorpej * Wasabi Systems, Inc. 211.2Sthorpej * 4. The name of Wasabi Systems, Inc. may not be used to endorse 221.2Sthorpej * or promote products derived from this software without specific prior 231.2Sthorpej * written permission. 241.2Sthorpej * 251.2Sthorpej * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 261.2Sthorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 271.2Sthorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 281.2Sthorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 291.2Sthorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 301.2Sthorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 311.2Sthorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 321.2Sthorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 331.2Sthorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 341.2Sthorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 351.2Sthorpej * POSSIBILITY OF SUCH DAMAGE. 361.2Sthorpej */ 371.2Sthorpej 381.2Sthorpej#ifndef _LIB_PTHREAD_POWERPC_MD_H 391.2Sthorpej#define _LIB_PTHREAD_POWERPC_MD_H 401.2Sthorpej 411.7Schristosstatic inline unsigned long 421.2Sthorpejpthread__sp(void) 431.2Sthorpej{ 441.7Schristos unsigned long ret; 451.2Sthorpej 461.2Sthorpej __asm("mr %0,1" : "=r" (ret)); 471.2Sthorpej 481.2Sthorpej return ret; 491.2Sthorpej} 501.2Sthorpej 511.2Sthorpej#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[1]) 521.2Sthorpej 531.2Sthorpej/* 541.2Sthorpej * Set initial, sane values for registers whose values aren't just 551.2Sthorpej * "don't care". 561.9Srin * 0xd032 is PSL_USERSET from arch/powerpc/include/psl.h 571.2Sthorpej */ 581.2Sthorpej#define _INITCONTEXT_U_MD(ucp) \ 591.3Smatt (ucp)->uc_mcontext.__gregs[_REG_MSR] = 0xd032; 601.2Sthorpej 611.2Sthorpej#endif /* _LIB_PTHREAD_POWERPC_MD_H */ 62