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• This comparison shows the changes necessary to convert path

  → / @ 524

  → / @ 525

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Ignore whitespace Rev 524 → Rev 525

/kernel/trunk/arch/sparc64/include/stack.h
0,0 → 1,47
/*
* Copyright (C) 2005 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 __sparc64_STACK_H__
#define __sparc64_STACK_H__
#define STACK_ITEM_SIZE 8
/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
#define STACK_ALIGNMENT 16
/**
* 16-extended-word save area for %i[0-7] and %l[0-7] registers.
*/
#define STACK_WINDOW_SAVE_AREA_SIZE (16*STACK_ITEM_SIZE)
/**
* By convention, the actual top of the stack is %sp + STACK_BIAS.
*/
#define STACK_BIAS 2047
#endif

/kernel/trunk/arch/sparc64/include/context.h
29,6 → 29,8
#ifndef __sparc64_CONTEXT_H__
#define __sparc64_CONTEXT_H__
#include <arch/stack.h>
#ifndef __sparc64_TYPES_H__
# include <arch/types.h>
#endif
37,22 → 39,8
# include <align.h>
#endif
/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
#define STACK_ALIGNMENT 16
#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE
#define STACK_ITEM_SIZE sizeof(__u64)
/**
* 16-extended-word save area for %i[0-7] and %l[0-7] registers.
*/
#define SAVE_AREA (16*STACK_ITEM_SIZE)
#define SP_DELTA SAVE_AREA
/**
* By convention, the actual top of the stack is %sp + BIAS.
*/
#define BIAS 2047
#ifdef context_set
#undef context_set
#endif
59,7 → 47,7
#define context_set(c, _pc, stack, size) \
(c)->pc = ((__address) _pc) - 8; \
(c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (BIAS + SP_DELTA)
(c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA)
/*
* Only save registers that must be preserved across

/kernel/trunk/arch/sparc64/src/context.S
27,6 → 27,7
#
#include <arch/context_offset.h>
#include <arch/stack.h>
.text
72,7 → 73,7
context_save_arch:
save %sp, -128, %sp
save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
CONTEXT_STORE %i0
# context_save returns 1
81,10 → 82,10
restore %sp, 128, %sp
context_restore_arch:
save %sp, -128, %sp
save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
CONTEXT_LOAD %i0
# context_restore returns 0
xor %i0, %i0, %i0
ret
restore %sp, 128, %sp
restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp