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/*
 * Copyright (C) 2006 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * 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.
 */

/** @addtogroup ppc32   
 * @{
 */
/** @file
 */

#ifndef __ppc32_EXCEPTION_H__
#define __ppc32_EXCEPTION_H__

#ifndef __ppc32_TYPES_H__
#  include <arch/types.h>
#endif

#include <typedefs.h>

struct istate {
    __u32 r0;
    __u32 r2;
    __u32 r3;
    __u32 r4;
    __u32 r5;
    __u32 r6;
    __u32 r7;
    __u32 r8;
    __u32 r9;
    __u32 r10;
    __u32 r11;
    __u32 r13;
    __u32 r14;
    __u32 r15;
    __u32 r16;
    __u32 r17;
    __u32 r18;
    __u32 r19;
    __u32 r20;
    __u32 r21;
    __u32 r22;
    __u32 r23;
    __u32 r24;
    __u32 r25;
    __u32 r26;
    __u32 r27;
    __u32 r28;
    __u32 r29;
    __u32 r30;
    __u32 r31;
    __u32 cr;
    __u32 pc;
    __u32 srr1;
    __u32 lr;
    __u32 ctr;
    __u32 xer;
    __u32 r12;
    __u32 sp;
};

static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
{
    istate->pc = retaddr;
}
/** Return true if exception happened while in userspace */
#include <panic.h>
static inline int istate_from_uspace(istate_t *istate)
{
    panic("istate_from_uspace not yet implemented");
    return 0;
}
static inline __native istate_get_pc(istate_t *istate)
{
    return istate->pc;
}

#endif

/** @}
 */