/*      $NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $     */

/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Klaus Klein and by Jason R. Thorpe of 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION 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.
 */

#ifndef _MACHINE_MCONTEXT_H_
#define _MACHINE_MCONTEXT_H_
/*
 * General register state
 */
#define _NGREG          17
typedef unsigned int    __greg_t;
typedef __greg_t        __gregset_t[_NGREG];

#define _REG_R0         0
#define _REG_R1         1
#define _REG_R2         2
#define _REG_R3         3
#define _REG_R4         4
#define _REG_R5         5
#define _REG_R6         6
#define _REG_R7         7
#define _REG_R8         8
#define _REG_R9         9
#define _REG_R10        10
#define _REG_R11        11
#define _REG_R12        12
#define _REG_R13        13
#define _REG_R14        14
#define _REG_R15        15
#define _REG_CPSR       16
/* Convenience synonyms */
#define _REG_FP         _REG_R11
#define _REG_SP         _REG_R13
#define _REG_LR         _REG_R14
#define _REG_PC         _REG_R15

/*
 * Floating point register state
 */
typedef struct {
        __uint64_t      mcv_reg[32];
        __uint32_t      mcv_fpscr;
} mcontext_vfp_t;

typedef struct {
        __gregset_t     __gregs;

        /*
         * Originally, rest of this structure was named __fpu, 35 * 4 bytes
         * long, never accessed from kernel. 
         */
        __size_t        mc_vfp_size;
        void            *mc_vfp_ptr;
        unsigned int    mc_spare[33];
} mcontext_t;

#define UC_
#endif  /* !_MACHINE_MCONTEXT_H_ */