/*      $NetBSD: netbsd32_machdep.h,v 1.29 2016/10/19 09:44:00 skrll Exp $      */

/*
 * Copyright (c) 1998, 2001 Matthew R. Green
 * All rights reserved.
 *
 * 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 AUTHOR ``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 AUTHOR 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_NETBSD32_H_
#define _MACHINE_NETBSD32_H_

#include <sys/types.h>

struct proc;

/* sparc64 uses an unsigned 32bit integer for 32bit pointers */
#define NETBSD32_POINTER_TYPE uint32_t
typedef struct { NETBSD32_POINTER_TYPE i32; } netbsd32_pointer_t;

/* sparc32 has 64bit aligned 64bit integers */
#define NETBSD32_INT64_ALIGN

/* from <arch/sparc/include/signal.h> */
typedef uint32_t netbsd32_sigcontextp_t;

struct netbsd32_sigcontext {
        int             sc_onstack;     /* sigstack state to restore */
        int             __sc_mask13;    /* signal mask to restore (old style) */
        /* begin machine dependent portion */
        int             sc_sp;          /* %sp to restore */
        int             sc_pc;          /* pc to restore */
        int             sc_npc;         /* npc to restore */
        int             sc_psr;         /* pstate to restore */
        int             sc_g1;          /* %g1 to restore */
        int             sc_o0;          /* %o0 to restore */
        sigset_t        sc_mask;        /* signal mask to restore (new style) */
};

struct netbsd32_sigcontext13 {
        int     sc_onstack;             /* sigstack state to restore */
        int     sc_mask;                /* signal mask to restore (old style) */
        /* begin machine dependent portion */
        int     sc_sp;                  /* %sp to restore */
        int     sc_pc;                  /* pc to restore */
        int     sc_npc;                 /* npc to restore */
        int     sc_psr;                 /* pstate to restore */
        int     sc_g1;                  /* %g1 to restore */
        int     sc_o0;                  /* %o0 to restore */
};

/*
 * Need to plug into get sparc specific ioctl's.
 */
#define NETBSD32_MD_IOCTL       /* enable netbsd32_md_ioctl() */
int netbsd32_md_ioctl(struct file *, netbsd32_u_long, void *, struct lwp *);

#define NETBSD32_MID_MACHINE MID_SPARC

int netbsd32_process_read_regs(struct lwp *, struct reg32 *);
int netbsd32_process_read_fpregs(struct lwp *, struct fpreg32 *, size_t *);

int netbsd32_process_write_regs(struct lwp *, const struct reg32 *);
int netbsd32_process_write_fpregs(struct lwp *, const struct fpreg32 *, size_t);

#endif /* _MACHINE_NETBSD32_H_ */