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/*

 * Copyright (C) 2001-2004 Jakub Jermar

 * 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.

 */

#ifndef __mips_CONTEXT_H__

#define __mips_CONTEXT_H__

#define STACK_ITEM_SIZE 4

/* These are offsets into the register dump saved

 * on exception entry

 */

#define EOFFSET_AT 0

#define EOFFSET_V0 4

#define EOFFSET_V1 8

#define EOFFSET_A0 12

#define EOFFSET_A1 16

#define EOFFSET_A2 20

#define EOFFSET_A3 24

#define EOFFSET_A4 28

#define EOFFSET_T1 32

#define EOFFSET_T2 36

#define EOFFSET_T3 40

#define EOFFSET_T4 44

#define EOFFSET_T5 48

#define EOFFSET_T6 52

#define EOFFSET_T7 56

#define EOFFSET_T8 60

#define EOFFSET_T9 64

#define EOFFSET_S0 68

#define EOFFSET_S1 72

#define EOFFSET_S2 76

#define EOFFSET_S3 80

#define EOFFSET_S4 84

#define EOFFSET_S5 88

#define EOFFSET_S6 92

#define EOFFSET_S7 96

#define EOFFSET_S8 100

#define EOFFSET_GP 104

#define EOFFSET_RA 108

#define EOFFSET_SP 112

#define EOFFSET_LO 116

#define EOFFSET_HI 120

#define EOFFSET_STATUS 124

#define REGISTER_SPACE 128

/*

 * Put one item onto the stack to support get_stack_base().

 */

#define SP_DELTA    (0+STACK_ITEM_SIZE)

#ifndef __ASM__

#ifndef __mips_TYPES_H_

# include <arch/types.h>

#endif

/*

 * Only save registers that must be preserved across

 * function calls.

 */

struct context {

    __u32 sp;

    __u32 pc;

    __u32 s0;

    __u32 s1;

    __u32 s2;

    __u32 s3;

    __u32 s4;

    __u32 s5;

    __u32 s6;

    __u32 s7;

    __u32 s8;

    __u32 gp;

    __u32 pri;

};

#endif /* __ASM__ */

#endif