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/*
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 * Copyright (c) 2005 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup sparc64
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_sparc64_STACK_H_
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#define KERN_sparc64_STACK_H_
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#define STACK_ITEM_SIZE         8
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/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
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#define STACK_ALIGNMENT         16
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/**
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 * 16-extended-word save area for %i[0-7] and %l[0-7] registers.
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 */
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#define STACK_WINDOW_SAVE_AREA_SIZE (16 * STACK_ITEM_SIZE)
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/**
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 * Six extended words for first six arguments.
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 */
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#define STACK_ARG_SAVE_AREA_SIZE    (6 * STACK_ITEM_SIZE)
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/**
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 * By convention, the actual top of the stack is %sp + STACK_BIAS.
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 */
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#define STACK_BIAS            2047
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/*
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 * Offsets of arguments on stack.
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 */
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#define STACK_ARG0          0
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#define STACK_ARG1          8
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#define STACK_ARG2          16
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#define STACK_ARG3          24
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#define STACK_ARG4          32
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#define STACK_ARG5          40
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#define STACK_ARG6          48
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#endif
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/** @}
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 */