00001 /* 00002 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009 00003 * The President and Fellows of Harvard College. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the University nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 */ 00029 00030 #ifndef _MIPS_SWITCHFRAME_H_ 00031 #define _MIPS_SWITCHFRAME_H_ 00032 00033 /* 00034 * Structure describing what is saved on the stack during a context switch. 00035 * 00036 * This must agree with the code in switch.S. 00037 */ 00038 00039 struct switchframe { 00040 uint32_t sf_s0; 00041 uint32_t sf_s1; 00042 uint32_t sf_s2; 00043 uint32_t sf_s3; 00044 uint32_t sf_s4; 00045 uint32_t sf_s5; 00046 uint32_t sf_s6; 00047 uint32_t sf_s8; 00048 uint32_t sf_gp; 00049 uint32_t sf_ra; 00050 }; 00051 00052 #endif /* _MIPS_SWITCHFRAME_H_ */