NetBSD/sys/arch/sh5/include/reg.h

/*	$NetBSD: reg.h,v 1.5 2005/06/01 13:01:36 scw Exp $	*/

/*
 * Copyright 2002 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Steve C. Woodford for Wasabi Systems, Inc.
 *
 * 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 for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
 * 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 _SH5_REG_H
#define _SH5_REG_H

/*
 * Note: Various bits of code assume that the in-core representation of:
 *
 *  struct {
 *    struct reg gpr;
 *    struct fpreg fpr;
 *  };
 *
 * is identical to the layout of mcontext_t. Please don't update one without
 * also updating the other.
 */

struct reg {
	register_t r_pc;
	register_t r_usr;
	register_t r_regs[63];
#define	r_sp r_regs[15];
	register_t r_tr[8];
};

struct fpreg {
	u_int32_t r_fpscr;
	u_int32_t r_pad;
	register_t r_regs[32];
};

struct lwp;
int process_read_regs(struct lwp *, struct reg *);
int process_write_regs(struct lwp *, const struct reg *);
int process_read_fpregs(struct lwp *, struct fpreg *);
int process_write_fpregs(struct lwp *, const struct fpreg *);

#endif /* _SH5_REG_H */