1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* This include file attempts to address the problems
* caused by incompatible flavors of assemblers and
* toolsets. It primarily addresses variations in the
* use of leading underscores on symbols and the requirement
* that register names be preceded by a %.
*/
/*
* NOTE: The spacing in the use of these macros
* is critical to them working as advertised.
*
* COPYRIGHT:
*
* This file is based on similar code found in newlib available
* from ftp.cygnus.com. The file which was used had no copyright
* notice. This file is freely distributable as long as the source
* of the file is noted. This file is:
*
* COPYRIGHT (c) 2011
* Anthony Green
*
* COPYRIGHT (c) 1989-1999, 2010.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
* $Id: asm.h,v 1.9 2010/06/29 00:31:09 joel Exp $
*/
#ifndef _RTEMS_ASM_H
#define _RTEMS_ASM_H
/*
* Indicate we are in an assembly file and get the basic CPU definitions.
*/
#include <rtems/score/moxie.h>
/**
* @defgroup RTEMSScoreCPUMoxieASM Moxie Assembler Support
*
* @ingroup RTEMSScoreCPUMoxie
*
* @brief Moxie Assembler Support
*
* @{
*/
/*
* Recent versions of GNU cpp define variables which indicate the
* need for underscores and percents. If not using GNU cpp or
* the version does not support this, then you will obviously
* have to define these as appropriate.
*/
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__
#endif
#ifndef __REGISTER_PREFIX__
#define __REGISTER_PREFIX__ "$"
#endif
#include <rtems/concat.h>
/* Use the right prefix for global labels. */
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
/* Use the right prefix for registers. */
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
/*
* define macros for all of the registers on this CPU
*
* EXAMPLE: #define d0 REG (d0)
*/
#define fp REG(fp)
#define sp REG(sp)
#define r0 REG(r0)
#define r1 REG(r1)
#define r2 REG(r2)
#define r3 REG(r3)
#define r4 REG(r4)
#define r5 REG(r5)
#define r6 REG(r6)
#define r7 REG(r7)
#define r8 REG(r8)
#define r9 REG(r9)
#define r10 REG(r10)
#define r11 REG(r11)
#define r12 REG(r12)
#define r13 REG(r13)
/*
* Define macros to handle section beginning and ends.
*/
#define BEGIN_CODE_DCL .text
#define END_CODE_DCL
#define BEGIN_DATA_DCL .data
#define END_DATA_DCL
#define BEGIN_CODE asm ( ".text
#define END_CODE ");
#define BEGIN_DATA
#define END_DATA
#define BEGIN_BSS
#define END_BSS
#define END
/*
* Following must be tailor for a particular flavor of the C compiler.
* They may need to put underscores in front of the symbols.
*/
#define PUBLIC(sym) .globl SYM (sym)
#define EXTERN(sym) .globl SYM (sym)
/** @} */
#endif
|
