RTEMS: cpukit/score/cpu/sh/include/rtems/asm.h Source File

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asm.h
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1
17/*
18 * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
19 * Bernd Becker (becker@faw.uni-ulm.de)
20 *
21 * COPYRIGHT:
22 *
23 * This file is based on similar code found in newlib available
24 * from ftp.cygnus.com. The file which was used had no copyright
25 * notice. This file is freely distributable as long as the source
26 * of the file is noted. This file is:
27 *
28 *
29 * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
30 *
31 * This program is distributed in the hope that it will be useful,
32 * but WITHOUT ANY WARRANTY; without even the implied warranty of
33 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
34 *
35 *
36 * COPYRIGHT (c) 1998-2001.
37 * On-Line Applications Research Corporation (OAR).
38 *
39 * The license and distribution terms for this file may be
40 * found in the file LICENSE in this distribution or at
41 * http://www.rtems.org/license/LICENSE.
42 */
43
44#ifndef _RTEMS_ASM_H
45#define _RTEMS_ASM_H
46
47/*
48 * Indicate we are in an assembly file and get the basic CPU definitions.
49 */
50
51#ifndef ASM
52#define ASM
53#endif
54
55#include <rtems/score/cpuopts.h>
56#include <rtems/score/sh.h>
57
68/*
69 * Recent versions of GNU cpp define variables which indicate the
70 * need for underscores and percents. If not using GNU cpp or
71 * the version does not support this, then you will obviously
72 * have to define these as appropriate.
73 */
74
75#ifndef __USER_LABEL_PREFIX__
76#define __USER_LABEL_PREFIX__ _
77#endif
78
79#ifndef __REGISTER_PREFIX__
80#define __REGISTER_PREFIX__
81#endif
82
83#include <rtems/concat.h>
84
85/* Use the right prefix for global labels. */
86
87#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
88
89/* Use the right prefix for registers. */
90
91#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
92
93/*
94 * define macros for all of the registers on this CPU
95 *
96 * EXAMPLE: #define d0 REG (d0)
97 */
98#define r0 REG (r0)
99#define r1 REG (r1)
100#define r2 REG (r2)
101#define r3 REG (r3)
102#define r4 REG (r4)
103#define r5 REG (r5)
104#define r6 REG (r6)
105#define r7 REG (r7)
106#define r8 REG (r8)
107#define r9 REG (r9)
108#define r10 REG (r10)
109#define r11 REG (r11)
110#define r12 REG (r12)
111#define r13 REG (r13)
112#define r14 REG (r14)
113#define r15 REG (r15)
114#define vbr REG (vbr)
115#define gbr REG (gbr)
116#define pr REG (pr)
117#define mach REG (mach)
118#define macl REG (macl)
119#define sr REG (sr)
120#define pc REG (pc)
121
122/*
123 * Define macros to handle section beginning and ends.
124 */
125
126
127#define BEGIN_CODE_DCL .text
128#define END_CODE_DCL
129#define BEGIN_DATA_DCL .data
130#define END_DATA_DCL
131#define BEGIN_CODE .text
132#define END_CODE
133#define BEGIN_DATA
134#define END_DATA
135#define BEGIN_BSS
136#define END_BSS
137#define END
138
139/*
140 * Following must be tailor for a particular flavor of the C compiler.
141 * They may need to put underscores in front of the symbols.
142 */
143
144#define PUBLIC(sym) .global SYM (sym)
145#define EXTERN(sym) .global SYM (sym)
146
147#endif
concat.h
sh.h
Hitachi SH CPU Department Source.