1 | /* system.h |
---|
2 | * |
---|
3 | * This include file contains information that is included in every |
---|
4 | * function in the executive. This must be the first include file |
---|
5 | * included in all internal RTEMS files. |
---|
6 | * |
---|
7 | * COPYRIGHT (c) 1989-1999. |
---|
8 | * On-Line Applications Research Corporation (OAR). |
---|
9 | * |
---|
10 | * The license and distribution terms for this file may be |
---|
11 | * found in the file LICENSE in this distribution or at |
---|
12 | * http://www.OARcorp.com/rtems/license.html. |
---|
13 | * |
---|
14 | * $Id$ |
---|
15 | */ |
---|
16 | |
---|
17 | #ifndef __RTEMS_SYSTEM_h |
---|
18 | #define __RTEMS_SYSTEM_h |
---|
19 | |
---|
20 | #ifdef __cplusplus |
---|
21 | extern "C" { |
---|
22 | #endif |
---|
23 | |
---|
24 | /* |
---|
25 | * The target options include file defines all target dependent |
---|
26 | * parameters for this build of RTEMS. It must be included |
---|
27 | * first so the basic macro definitions are in place. |
---|
28 | */ |
---|
29 | |
---|
30 | /* |
---|
31 | * FIXME: cpuopts.h should be included here. |
---|
32 | */ |
---|
33 | #if defined(__h8300__) \ |
---|
34 | || defined(__i960__) \ |
---|
35 | || defined(__mc68000__) \ |
---|
36 | || defined(__sh__) \ |
---|
37 | || defined(__sparc__) \ |
---|
38 | || defined(__i386__) |
---|
39 | /* these cpus are ready to apply cpuopts.h */ |
---|
40 | #include <rtems/score/cpuopts.h> |
---|
41 | #else |
---|
42 | /* fallback to targopts.h for hppa1.1, mips, and powerpc */ |
---|
43 | #include <rtems/score/targopts.h> |
---|
44 | #endif |
---|
45 | |
---|
46 | /* |
---|
47 | * The following insures that all data is declared in the space |
---|
48 | * of the initialization routine for either the Initialization Manager |
---|
49 | * or the initialization file for the appropriate API. It is |
---|
50 | * referenced as "external" in every other file. |
---|
51 | */ |
---|
52 | |
---|
53 | #ifdef SCORE_INIT |
---|
54 | #undef SCORE_EXTERN |
---|
55 | #define SCORE_EXTERN |
---|
56 | #else |
---|
57 | #undef SCORE_EXTERN |
---|
58 | #define SCORE_EXTERN extern |
---|
59 | #endif |
---|
60 | |
---|
61 | #ifdef SAPI_INIT |
---|
62 | #undef SAPI_EXTERN |
---|
63 | #define SAPI_EXTERN |
---|
64 | #else |
---|
65 | #undef SAPI_EXTERN |
---|
66 | #define SAPI_EXTERN extern |
---|
67 | #endif |
---|
68 | |
---|
69 | #ifdef RTEMS_API_INIT |
---|
70 | #undef RTEMS_EXTERN |
---|
71 | #define RTEMS_EXTERN |
---|
72 | #else |
---|
73 | #undef RTEMS_EXTERN |
---|
74 | #define RTEMS_EXTERN extern |
---|
75 | #endif |
---|
76 | |
---|
77 | #ifdef POSIX_API_INIT |
---|
78 | #undef POSIX_EXTERN |
---|
79 | #define POSIX_EXTERN |
---|
80 | #else |
---|
81 | #undef POSIX_EXTERN |
---|
82 | #define POSIX_EXTERN extern |
---|
83 | #endif |
---|
84 | |
---|
85 | #ifdef ITRON_API_INIT |
---|
86 | #undef ITRON_EXTERN |
---|
87 | #define ITRON_EXTERN |
---|
88 | #else |
---|
89 | #undef ITRON_EXTERN |
---|
90 | #define ITRON_EXTERN extern |
---|
91 | #endif |
---|
92 | |
---|
93 | /* |
---|
94 | * The following (in conjunction with compiler arguments) are used |
---|
95 | * to choose between the use of static inline functions and macro |
---|
96 | * functions. The static inline implementation allows better |
---|
97 | * type checking with no cost in code size or execution speed. |
---|
98 | */ |
---|
99 | |
---|
100 | #ifdef USE_INLINES |
---|
101 | # ifdef __GNUC__ |
---|
102 | # define RTEMS_INLINE_ROUTINE static __inline__ |
---|
103 | # else |
---|
104 | # define RTEMS_INLINE_ROUTINE static inline |
---|
105 | # endif |
---|
106 | #else |
---|
107 | # define RTEMS_INLINE_ROUTINE |
---|
108 | #endif |
---|
109 | |
---|
110 | /* |
---|
111 | * Include a base set of files. |
---|
112 | */ |
---|
113 | |
---|
114 | /* |
---|
115 | * XXX: Eventually proc_ptr needs to disappear!!! |
---|
116 | */ |
---|
117 | |
---|
118 | typedef void * proc_ptr; |
---|
119 | |
---|
120 | /* |
---|
121 | * Define NULL |
---|
122 | */ |
---|
123 | |
---|
124 | #ifndef NULL |
---|
125 | #define NULL 0 /* NULL value */ |
---|
126 | #endif |
---|
127 | |
---|
128 | /* |
---|
129 | * Boolean constants |
---|
130 | */ |
---|
131 | |
---|
132 | #if !defined( TRUE ) || (TRUE != 1) |
---|
133 | #undef TRUE |
---|
134 | #define TRUE (1) |
---|
135 | #endif |
---|
136 | |
---|
137 | #if !defined( FALSE ) || (FALSE != 0) |
---|
138 | #undef FALSE |
---|
139 | #define FALSE (0) |
---|
140 | #endif |
---|
141 | |
---|
142 | #include <rtems/score/cpu.h> /* processor specific information */ |
---|
143 | |
---|
144 | #define stringify( _x ) # _x |
---|
145 | |
---|
146 | #define RTEMS_offsetof(type, field) \ |
---|
147 | ((unsigned32) &(((type *) 0)->field)) |
---|
148 | |
---|
149 | /* |
---|
150 | * The following is the extern for the RTEMS version string. |
---|
151 | * The contents of this string are CPU specific. |
---|
152 | */ |
---|
153 | |
---|
154 | extern const char _RTEMS_version[]; /* RTEMS version string */ |
---|
155 | extern const char _Copyright_Notice[]; /* RTEMS copyright string */ |
---|
156 | |
---|
157 | /* |
---|
158 | * The following defines the CPU dependent information table. |
---|
159 | */ |
---|
160 | |
---|
161 | SCORE_EXTERN rtems_cpu_table _CPU_Table; /* CPU dependent info */ |
---|
162 | |
---|
163 | /* |
---|
164 | * Macros to access CPU Table fields required by ALL ports. |
---|
165 | * |
---|
166 | * NOTE: Similar macros to access port specific fields in in the |
---|
167 | * appropriate cpu.h file. |
---|
168 | */ |
---|
169 | |
---|
170 | #define rtems_cpu_configuration_get_table() \ |
---|
171 | (&_CPU_Table) |
---|
172 | |
---|
173 | #define rtems_cpu_configuration_get_pretasking_hook() \ |
---|
174 | (_CPU_Table.pretasking_hook) |
---|
175 | |
---|
176 | #define rtems_cpu_configuration_get_predriver_hook() \ |
---|
177 | (_CPU_Table.predriver_hook) |
---|
178 | |
---|
179 | #define rtems_cpu_configuration_get_postdriver_hook() \ |
---|
180 | (_CPU_Table.postdriver_hook) |
---|
181 | |
---|
182 | #define rtems_cpu_configuration_get_idle_task() \ |
---|
183 | (_CPU_Table.idle_task) |
---|
184 | |
---|
185 | #define rtems_cpu_configuration_get_do_zero_of_workspace() \ |
---|
186 | (_CPU_Table.do_zero_of_workspace) |
---|
187 | |
---|
188 | #define rtems_cpu_configuration_get_idle_task_stack_size() \ |
---|
189 | (_CPU_Table.idle_task_stack_size) |
---|
190 | |
---|
191 | #define rtems_cpu_configuration_get_interrupt_stack_size() \ |
---|
192 | (_CPU_Table.interrupt_stack_size) |
---|
193 | |
---|
194 | #define rtems_cpu_configuration_get_extra_mpci_receive_server_stack() \ |
---|
195 | (_CPU_Table.extra_mpci_receive_server_stack) |
---|
196 | |
---|
197 | #define rtems_cpu_configuration_get_stack_allocate_hook() \ |
---|
198 | (_CPU_Table.stack_allocate_hook) |
---|
199 | |
---|
200 | #define rtems_cpu_configuration_get_stack_free_hook() \ |
---|
201 | (_CPU_Table.stack_free_hook) |
---|
202 | |
---|
203 | /* |
---|
204 | * XXX weird RTEMS stuff that probably should be somewhere else. |
---|
205 | */ |
---|
206 | |
---|
207 | #define RTEMS_MAXIMUM_NAME_LENGTH sizeof(rtems_name) |
---|
208 | |
---|
209 | #ifdef __cplusplus |
---|
210 | } |
---|
211 | #endif |
---|
212 | |
---|
213 | #endif |
---|
214 | /* end of include file */ |
---|