source: rtems/bsps/sparc64/include/arch/stack.h

Last change on this file was 0a9b4513, checked in by Andreas Dachsberger <andreas.dachsberger@…>, on Apr 1, 2019 at 10:22:37 AM

doxygen: bsps: Added remaining Sparc64 groups

  • Property mode set to 100644
File size: 2.3 KB
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1/*
2 * Copyright (c) 2005 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 *   notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 *   notice, this list of conditions and the following disclaimer in the
13 *   documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 *   derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup RTEMSBSPsSPARC64       
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_sparc64_STACK_H_
36#define KERN_sparc64_STACK_H_
37
38#define STACK_ITEM_SIZE                 8
39
40/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
41#define STACK_ALIGNMENT                 16
42
43/**
44 * 16-extended-word save area for %i[0-7] and %l[0-7] registers.
45 */
46#define STACK_WINDOW_SAVE_AREA_SIZE     (16 * STACK_ITEM_SIZE)
47
48/**
49 * Six extended words for first six arguments.
50 */
51#define STACK_ARG_SAVE_AREA_SIZE        (6 * STACK_ITEM_SIZE)
52
53/**
54 * By convention, the actual top of the stack is %sp + STACK_BIAS.
55 */
56#define STACK_BIAS            2047
57
58/*
59 * Offsets of arguments on stack.
60 */
61#define STACK_ARG0                      0
62#define STACK_ARG1                      8
63#define STACK_ARG2                      16
64#define STACK_ARG3                      24
65#define STACK_ARG4                      32
66#define STACK_ARG5                      40
67#define STACK_ARG6                      48
68
69#endif
70
71/** @}
72 */
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