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root/kernel/arch/ppc32/include/arch/context_struct.h

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/*
 * Copyright (c) 2014 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 KERN_ARCH_CONTEXT_STRUCT_H_
#define KERN_ARCH_CONTEXT_STRUCT_H_

#define CONTEXT_OFFSET_SP   0x00
#define CONTEXT_OFFSET_PC   0x04
#define CONTEXT_OFFSET_R2   0x08
#define CONTEXT_OFFSET_R13  0x0c
#define CONTEXT_OFFSET_R14  0x10
#define CONTEXT_OFFSET_R15  0x14
#define CONTEXT_OFFSET_R16  0x18
#define CONTEXT_OFFSET_R17  0x1c
#define CONTEXT_OFFSET_R18  0x20
#define CONTEXT_OFFSET_R19  0x24
#define CONTEXT_OFFSET_R20  0x28
#define CONTEXT_OFFSET_R21  0x2c
#define CONTEXT_OFFSET_R22  0x30
#define CONTEXT_OFFSET_R23  0x34
#define CONTEXT_OFFSET_R24  0x38
#define CONTEXT_OFFSET_R25  0x3c
#define CONTEXT_OFFSET_R26  0x40
#define CONTEXT_OFFSET_R27  0x44
#define CONTEXT_OFFSET_R28  0x48
#define CONTEXT_OFFSET_R29  0x4c
#define CONTEXT_OFFSET_R30  0x50
#define CONTEXT_OFFSET_R31  0x54
#define CONTEXT_OFFSET_CR   0x58
#define CONTEXT_SIZE        0x5c

#ifndef __ASSEMBLER__

#include <typedefs.h>

typedef struct context {
        uint32_t sp;
        uint32_t pc;
        uint32_t r2;
        uint32_t r13;
        uint32_t r14;
        uint32_t r15;
        uint32_t r16;
        uint32_t r17;
        uint32_t r18;
        uint32_t r19;
        uint32_t r20;
        uint32_t r21;
        uint32_t r22;
        uint32_t r23;
        uint32_t r24;
        uint32_t r25;
        uint32_t r26;
        uint32_t r27;
        uint32_t r28;
        uint32_t r29;
        uint32_t r30;
        uint32_t r31;
        uint32_t cr;
} context_t;

#endif
#endif

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