Current Path : /sys/arm/arm/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/arm/arm/setcpsr.S |
/* $NetBSD: setcpsr.S,v 1.2 2002/08/15 01:37:02 briggs Exp $ */ /*- * Copyright (c) 1994 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Brini. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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. * * RiscBSD kernel project * * setcpsr.S * * Miscellaneous routines to play with the CPSR register * * Eventually this routine can be inline assembly. * * Created : 12/09/94 * * Based of kate/display/setcpsr.s * */ #include <machine/asm.h> __FBSDID("$FreeBSD: release/9.1.0/sys/arm/arm/setcpsr.S 139735 2005-01-05 21:58:49Z imp $"); /* Sets and clears bits in the CPSR register * * r0 - bic mask * r1 - eor mask */ ENTRY_NP(SetCPSR) mrs r3, cpsr /* Set the CPSR */ bic r2, r3, r0 eor r2, r2, r1 msr cpsr_all, r2 mov r0, r3 /* Return the old CPSR */ RET /* Gets the CPSR register * * Returns the CPSR in r0 */ ENTRY_NP(GetCPSR) mrs r0, cpsr /* Get the CPSR */ RET