RTEMS  5.0.0
asm.h
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1 
17 /*
18  * COPYRIGHT:
19  *
20  * This file is based on similar code found in newlib available
21  * from ftp.cygnus.com. The file which was used had no copyright
22  * notice. This file is freely distributable as long as the source
23  * of the file is noted. This file is:
24  *
25  * COPYRIGHT (c) 1994-1997.
26  * On-Line Applications Research Corporation (OAR).
27  */
28 /* @(#)asm.h 03/15/96 1.1 */
29 
30 #ifndef _RTEMS_ASM_H
31 #define _RTEMS_ASM_H
32 
33 /*
34  * Indicate we are in an assembly file and get the basic CPU definitions.
35  */
36 
37 #ifndef ASM
38 #define ASM
39 #endif
40 #include <rtems/score/cpuopts.h>
41 #include <rtems/score/mips.h>
42 
43 /*
44  * Recent versions of GNU cpp define variables which indicate the
45  * need for underscores and percents. If not using GNU cpp or
46  * the version does not support this, then you will obviously
47  * have to define these as appropriate.
48  */
49 
50 #ifndef __USER_LABEL_PREFIX__
51 #define __USER_LABEL_PREFIX__ _
52 #endif
53 
54 #ifndef __REGISTER_PREFIX__
55 #define __REGISTER_PREFIX__
56 #endif
57 
58 #include <rtems/concat.h>
59 
60 /* Use the right prefix for global labels. */
61 
62 #define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
63 
64 /* Use the right prefix for registers. */
65 
66 #define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
67 
68 /*
69  * define macros for all of the registers on this CPU
70  *
71  * EXAMPLE: #define d0 REG (d0)
72  */
73 
74 /*
75  * Define macros to handle section beginning and ends.
76  */
77 
78 
79 #define BEGIN_CODE_DCL .text
80 #define END_CODE_DCL
81 #define BEGIN_DATA_DCL .data
82 #define END_DATA_DCL
83 #define BEGIN_CODE .text
84 #define END_CODE
85 #define BEGIN_DATA
86 #define END_DATA
87 #define BEGIN_BSS
88 #define END_BSS
89 #define END
90 
91 /*
92  * Following must be tailor for a particular flavor of the C compiler.
93  * They may need to put underscores in front of the symbols.
94  */
95 
96 #define PUBLIC(sym) .globl SYM (sym)
97 #define EXTERN(sym) .globl SYM (sym)
98 
99 /*
100  * Debugger macros for assembly language routines. Allows the
101  * programmer to set up the necessary stack frame info
102  * required by debuggers to do stack traces.
103  */
104 
105 #ifndef XDS
106 #define FRAME(name,frm_reg,offset,ret_reg) \
107  .globl name; \
108  .ent name; \
109 name:; \
110  .frame frm_reg,offset,ret_reg
111 #define ENDFRAME(name) \
112  .end name
113 #else
114 #define FRAME(name,frm_reg,offset,ret_reg) \
115  .globl _##name;\
116 _##name:
117 #define ENDFRAME(name)
118 #endif /* XDS */
119 
120 /*
121  * Hardware Floating Point Registers
122  */
123 
124 #define R_FP0 0
125 #define R_FP1 1
126 #define R_FP2 2
127 #define R_FP3 3
128 #define R_FP4 4
129 #define R_FP5 5
130 #define R_FP6 6
131 #define R_FP7 7
132 #define R_FP8 8
133 #define R_FP9 9
134 #define R_FP10 10
135 #define R_FP11 11
136 #define R_FP12 12
137 #define R_FP13 13
138 #define R_FP14 14
139 #define R_FP15 15
140 #define R_FP16 16
141 #define R_FP17 17
142 #define R_FP18 18
143 #define R_FP19 19
144 #define R_FP20 20
145 #define R_FP21 21
146 #define R_FP22 22
147 #define R_FP23 23
148 #define R_FP24 24
149 #define R_FP25 25
150 #define R_FP26 26
151 #define R_FP27 27
152 #define R_FP28 28
153 #define R_FP29 29
154 #define R_FP30 30
155 #define R_FP31 31
156 
157 #endif
158 /* end of include file */
159 
mips.h
Information to build RTEMS for a "no cpu" while in protected mode.
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