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

| RTEMS 5.4-rc2

Loading...
Searching...
No Matches
asm.h
Go to the documentation of this file.
1
16/*
17 * COPYRIGHT:
18 *
19 * This file is based on similar code found in newlib available
20 * from ftp.cygnus.com. The file which was used had no copyright
21 * notice. This file is freely distributable as long as the source
22 * of the file is noted. This file is:
23 *
24 * COPYRIGHT (c) 1994-2006.
25 * On-Line Applications Research Corporation (OAR).
26 */
27
28#ifndef _RTEMS_ASM_H
29#define _RTEMS_ASM_H
30
38/*
39 * Indicate we are in an assembly file and get the basic CPU definitions.
40 */
41
42#ifndef ASM
43#define ASM
44#endif
45#include <rtems/score/cpuopts.h>
46#include <rtems/score/no_cpu.h>
47
48#ifndef __USER_LABEL_PREFIX__
57#define __USER_LABEL_PREFIX__ _
58#endif
59
60#ifndef __REGISTER_PREFIX__
69#define __REGISTER_PREFIX__
70#endif
71
72#include <rtems/concat.h>
73
75#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
76
78#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
79
80/*
81 * define macros for all of the registers on this CPU
82 *
83 * EXAMPLE: #define d0 REG (d0)
84 */
85
86/*
87 * Define macros to handle section beginning and ends.
88 */
89
90
92#define BEGIN_CODE_DCL .text
94#define END_CODE_DCL
96#define BEGIN_DATA_DCL .data
98#define END_DATA_DCL
100#define BEGIN_CODE .text
102#define END_CODE
104#define BEGIN_DATA
106#define END_DATA
110#define BEGIN_BSS
112#define END_BSS
114#define END
115
122#define PUBLIC(sym) .globl SYM (sym)
123
130#define EXTERN(sym) .globl SYM (sym)
131
133#endif
concat.h