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
148
149
150
151
152
153
154
155
156
157
158
159
|
/* asm.h
*
* 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) 1994-1997.
* On-Line Applications Research Corporation (OAR).
*
* $Id$
*/
/* @(#)asm.h 03/15/96 1.1 */
#ifndef __NO_CPU_ASM_h
#define __NO_CPU_ASM_h
/*
* Indicate we are in an assembly file and get the basic CPU definitions.
*/
#ifndef ASM
#define ASM
#endif
#include <rtems/score/targopts.h>
#include <rtems/score/mips.h>
/*
* 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
/* ANSI concatenation macros. */
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
/* 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 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 .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)
/*
* Debugger macros for assembly language routines. Allows the
* programmer to set up the necessary stack frame info
* required by debuggers to do stack traces.
*/
#ifndef XDS
#define FRAME(name,frm_reg,offset,ret_reg) \
.globl name; \
.ent name; \
name:; \
.frame frm_reg,offset,ret_reg
#define ENDFRAME(name) \
.end name
#else
#define FRAME(name,frm_reg,offset,ret_reg) \
.globl _##name;\
_##name:
#define ENDFRAME(name)
#endif XDS
/*
* Hardware Floating Point Registers
*/
#define R_FP0 0
#define R_FP1 1
#define R_FP2 2
#define R_FP3 3
#define R_FP4 4
#define R_FP5 5
#define R_FP6 6
#define R_FP7 7
#define R_FP8 8
#define R_FP9 9
#define R_FP10 10
#define R_FP11 11
#define R_FP12 12
#define R_FP13 13
#define R_FP14 14
#define R_FP15 15
#define R_FP16 16
#define R_FP17 17
#define R_FP18 18
#define R_FP19 19
#define R_FP20 20
#define R_FP21 21
#define R_FP22 22
#define R_FP23 23
#define R_FP24 24
#define R_FP25 25
#define R_FP26 26
#define R_FP27 27
#define R_FP28 28
#define R_FP29 29
#define R_FP30 30
#define R_FP31 31
#endif
/* end of include file */
|