/*
 * Copyright (c) 2003-2004 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.
 */

/** @addtogroup mips32
 * @{
 */
/** @file
 */

#ifndef KERN_mips32_CONTEXT_H_
#define KERN_mips32_CONTEXT_H_

#include <align.h>
#include <arch/stack.h>

/*
 * Put one item onto the stack to support get_stack_base() and align it up.
 */
#define SP_DELTA  (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT))

#ifndef __ASM__

#include <arch/types.h>

#define context_set(ctx, pc, stack, size) \
    context_set_generic(ctx, pc, stack, size)

/*
 * Only save registers that must be preserved across
 * function calls.
 */
typedef struct {
	uintptr_t sp;
	uintptr_t pc;
	
	uint32_t s0;
	uint32_t s1;
	uint32_t s2;
	uint32_t s3;
	uint32_t s4;
	uint32_t s5;
	uint32_t s6;
	uint32_t s7;
	uint32_t s8;
	uint32_t gp;

	ipl_t ipl;
} context_t;

#endif /* __ASM__ */

#endif

/** @}
 */
