source: asp_ewarm/asp-1.7.0/kernel/interrupt.c@ 61

Last change on this file since 61 was 61, checked in by ertl-honda, 11 years ago

ASP for EWARM のコミット.

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1/*
2 * TOPPERS/ASP Kernel
3 * Toyohashi Open Platform for Embedded Real-Time Systems/
4 * Advanced Standard Profile Kernel
5 *
6 * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
7 * Toyohashi Univ. of Technology, JAPAN
8 * Copyright (C) 2005-2009 by Embedded and Real-Time Systems Laboratory
9 * Graduate School of Information Science, Nagoya Univ., JAPAN
10 *
11 * ã‹L’˜ìŒ ŽÒ‚́CˆÈ‰º‚Ì(1)`(4)‚ÌðŒ‚ð–ž‚½‚·ê‡‚ÉŒÀ‚èC–{ƒ\ƒtƒgƒEƒF
12 * ƒAi–{ƒ\ƒtƒgƒEƒFƒA‚ð‰ü•Ï‚µ‚½‚à‚Ì‚ðŠÜ‚ށDˆÈ‰º“¯‚¶j‚ðŽg—pE•¡»E‰ü
13 * •ÏEÄ”z•ziˆÈ‰ºC—˜—p‚ƌĂԁj‚·‚邱‚Ƃ𖳏ž‚Å‹–‘ø‚·‚éD
14 * (1) –{ƒ\ƒtƒgƒEƒFƒA‚ðƒ\[ƒXƒR[ƒh‚ÌŒ`‚Å—˜—p‚·‚éê‡‚ɂ́Cã‹L‚Ì’˜ì
15 * Œ •\Ž¦C‚±‚Ì—˜—pðŒ‚¨‚æ‚щº‹L‚Ì–³•ÛØ‹K’肪C‚»‚Ì‚Ü‚Ü‚ÌŒ`‚Ń\[
16 * ƒXƒR[ƒh’†‚ÉŠÜ‚Ü‚ê‚Ä‚¢‚邱‚ƁD
17 * (2) –{ƒ\ƒtƒgƒEƒFƒA‚ðCƒ‰ƒCƒuƒ‰ƒŠŒ`Ž®‚ȂǁC‘¼‚̃\ƒtƒgƒEƒFƒAŠJ”­‚ÉŽg
18 * —p‚Å‚«‚éŒ`‚ōĔz•z‚·‚éê‡‚ɂ́CÄ”z•z‚É”º‚¤ƒhƒLƒ…
19ƒƒ“ƒgi—˜—p
20 * ŽÒƒ}ƒjƒ…
21ƒAƒ‹‚Ȃǁj‚ɁCã‹L‚Ì’˜ìŒ •\Ž¦C‚±‚Ì—˜—pðŒ‚¨‚æ‚щº‹L
22 * ‚Ì–³•ÛØ‹K’è‚ðŒfÚ‚·‚邱‚ƁD
23 * (3) –{ƒ\ƒtƒgƒEƒFƒA‚ðC‹@Ší‚É‘g‚ݍž‚ނȂǁC‘¼‚̃\ƒtƒgƒEƒFƒAŠJ”­‚ÉŽg
24 * —p‚Å‚«‚È‚¢Œ`‚ōĔz•z‚·‚éê‡‚ɂ́CŽŸ‚Ì‚¢‚¸‚ê‚©‚ÌðŒ‚ð–ž‚½‚·‚±
25 * ‚ƁD
26 * (a) Ä”z•z‚É”º‚¤ƒhƒLƒ…
27ƒƒ“ƒgi—˜—pŽÒƒ}ƒjƒ…
28ƒAƒ‹‚Ȃǁj‚ɁCã‹L‚Ì’˜
29 * ìŒ •\Ž¦C‚±‚Ì—˜—pðŒ‚¨‚æ‚щº‹L‚Ì–³•ÛØ‹K’è‚ðŒfÚ‚·‚邱‚ƁD
30 * (b) Ä”z•z‚ÌŒ`‘Ô‚ðC•Ê‚É’è‚ß‚é•û–@‚É‚æ‚Á‚āCTOPPERSƒvƒƒWƒFƒNƒg‚É
31 * •ñ‚·‚邱‚ƁD
32 * (4) –{ƒ\ƒtƒgƒEƒFƒA‚Ì—˜—p‚É‚æ‚è’¼Ú“I‚Ü‚½‚͊ԐړI‚ɐ¶‚¶‚é‚¢‚©‚Ȃ鑹
33 * ŠQ‚©‚ç‚àCã‹L’˜ìŒ ŽÒ‚¨‚æ‚ÑTOPPERSƒvƒƒWƒFƒNƒg‚ð–Ɛӂ·‚邱‚ƁD
34 * ‚Ü‚½C–{ƒ\ƒtƒgƒEƒFƒA‚̃†[ƒU‚Ü‚½‚̓Gƒ“ƒhƒ†[ƒU‚©‚ç‚Ì‚¢‚©‚Ȃ闝
35 * —R‚ÉŠî‚­¿‹‚©‚ç‚àCã‹L’˜ìŒ ŽÒ‚¨‚æ‚ÑTOPPERSƒvƒƒWƒFƒNƒg‚ð
36 * –Ɛӂ·‚邱‚ƁD
37 *
38 * –{ƒ\ƒtƒgƒEƒFƒA‚́C–³•ÛØ‚Å’ñ‹Ÿ‚³‚ê‚Ä‚¢‚é‚à‚Ì‚Å‚ ‚éDã‹L’˜ìŒ ŽÒ‚¨
39 * ‚æ‚ÑTOPPERSƒvƒƒWƒFƒNƒg‚́C–{ƒ\ƒtƒgƒEƒFƒA‚ÉŠÖ‚µ‚āC“Á’è‚ÌŽg—p–Ú“I
40 * ‚ɑ΂·‚é“K‡«‚àŠÜ‚߂āC‚¢‚©‚È‚é•ÛØ‚às‚í‚È‚¢D‚Ü‚½C–{ƒ\ƒtƒgƒEƒF
41 * ƒA‚Ì—˜—p‚É‚æ‚è’¼Ú“I‚Ü‚½‚͊ԐړI‚ɐ¶‚¶‚½‚¢‚©‚Ȃ鑹ŠQ‚ÉŠÖ‚µ‚Ä‚àC‚»
42 * ‚̐ӔC‚𕉂í‚È‚¢D
43 *
44 * @(#) $Id: interrupt.c 2009 2010-12-31 12:43:54Z ertl-hiro $
45 */
46
47/*
48 * Š„ž‚ÝŠÇ—‹@”\
49 */
50
51#include "kernel_impl.h"
52#include "check.h"
53#include "task.h"
54#include "interrupt.h"
55
56/*
57 * ƒgƒŒ[ƒXƒƒOƒ}ƒNƒ‚̃fƒtƒHƒ‹ƒg’è‹`
58 */
59#ifndef LOG_DIS_INT_ENTER
60#define LOG_DIS_INT_ENTER(intno)
61#endif /* LOG_DIS_INT_ENTER */
62
63#ifndef LOG_DIS_INT_LEAVE
64#define LOG_DIS_INT_LEAVE(ercd)
65#endif /* LOG_DIS_INT_LEAVE */
66
67#ifndef LOG_ENA_INT_ENTER
68#define LOG_ENA_INT_ENTER(intno)
69#endif /* LOG_ENA_INT_ENTER */
70
71#ifndef LOG_ENA_INT_LEAVE
72#define LOG_ENA_INT_LEAVE(ercd)
73#endif /* LOG_ENA_INT_LEAVE */
74
75#ifndef LOG_CHG_IPM_ENTER
76#define LOG_CHG_IPM_ENTER(intpri)
77#endif /* LOG_CHG_IPM_ENTER */
78
79#ifndef LOG_CHG_IPM_LEAVE
80#define LOG_CHG_IPM_LEAVE(ercd)
81#endif /* LOG_CHG_IPM_LEAVE */
82
83#ifndef LOG_GET_IPM_ENTER
84#define LOG_GET_IPM_ENTER(p_intpri)
85#endif /* LOG_GET_IPM_ENTER */
86
87#ifndef LOG_GET_IPM_LEAVE
88#define LOG_GET_IPM_LEAVE(ercd, intpri)
89#endif /* LOG_GET_IPM_LEAVE */
90
91/*
92 * Š„ž‚ÝŠÇ—‹@”\‚̏‰Šú‰»
93 */
94#ifdef TOPPERS_intini
95#ifndef OMIT_INITIALIZE_INTERRUPT
96
97void
98initialize_interrupt(void)
99{
100 uint_t i;
101 const INHINIB *p_inhinib;
102 const INTINIB *p_intinib;
103
104 for (p_inhinib = inhinib_table, i = 0; i < tnum_inhno; p_inhinib++, i++) {
105 x_define_inh(p_inhinib->inhno, p_inhinib->int_entry);
106 }
107 for (p_intinib = intinib_table, i = 0; i < tnum_intno; p_intinib++, i++) {
108 x_config_int(p_intinib->intno, p_intinib->intatr, p_intinib->intpri);
109 }
110}
111
112#endif /* OMIT_INITIALIZE_INTERRUPT */
113#endif /* TOPPERS_intini */
114
115/*
116 * Š„ž‚Ý‚Ì‹ÖŽ~
117 */
118#ifdef TOPPERS_dis_int
119#ifdef TOPPERS_SUPPORT_DIS_INT
120
121ER
122dis_int(INTNO intno)
123{
124 bool_t locked;
125 ER ercd;
126
127 LOG_DIS_INT_ENTER(intno);
128 CHECK_TSKCTX();
129 CHECK_INTNO_DISINT(intno);
130
131 locked = t_sense_lock();
132 if (!locked) {
133 t_lock_cpu();
134 }
135 if (t_disable_int(intno)) {
136 ercd = E_OK;
137 }
138 else {
139 ercd = E_OBJ;
140 }
141 if (!locked) {
142 t_unlock_cpu();
143 }
144
145 error_exit:
146 LOG_DIS_INT_LEAVE(ercd);
147 return(ercd);
148}
149
150#endif /* TOPPERS_SUPPORT_DIS_INT */
151#endif /* TOPPERS_dis_int */
152
153/*
154 * Š„ž‚Ý‚Ì‹–‰Â
155 */
156#ifdef TOPPERS_ena_int
157#ifdef TOPPERS_SUPPORT_ENA_INT
158
159ER
160ena_int(INTNO intno)
161{
162 bool_t locked;
163 ER ercd;
164
165 LOG_ENA_INT_ENTER(intno);
166 CHECK_TSKCTX();
167 CHECK_INTNO_DISINT(intno);
168
169 locked = t_sense_lock();
170 if (!locked) {
171 t_lock_cpu();
172 }
173 if (t_enable_int(intno)) {
174 ercd = E_OK;
175 }
176 else {
177 ercd = E_OBJ;
178 }
179 if (!locked) {
180 t_unlock_cpu();
181 }
182
183 error_exit:
184 LOG_ENA_INT_LEAVE(ercd);
185 return(ercd);
186}
187
188#endif /* TOPPERS_SUPPORT_ENA_INT */
189#endif /* TOPPERS_ena_int */
190
191/*
192 * Š„ž‚Ý—Dæ“xƒ}ƒXƒN‚̕ύX
193 */
194#ifdef TOPPERS_chg_ipm
195
196ER
197chg_ipm(PRI intpri)
198{
199 ER ercd;
200
201 LOG_CHG_IPM_ENTER(intpri);
202 CHECK_TSKCTX_UNL();
203 CHECK_INTPRI_CHGIPM(intpri);
204
205 t_lock_cpu();
206 t_set_ipm(intpri);
207 if (intpri == TIPM_ENAALL) {
208 ipmflg = true;
209 if (!disdsp) {
210 dspflg = true;
211 if (p_runtsk != p_schedtsk) {
212 dispatch();
213 }
214 }
215 if (p_runtsk->enatex && p_runtsk->texptn != 0U) {
216 call_texrtn();
217 }
218 }
219 else {
220 ipmflg = false;
221 dspflg = false;
222 }
223 ercd = E_OK;
224 t_unlock_cpu();
225
226 error_exit:
227 LOG_CHG_IPM_LEAVE(ercd);
228 return(ercd);
229}
230
231#endif /* TOPPERS_chg_ipm */
232
233/*
234 * Š„ž‚Ý—Dæ“xƒ}ƒXƒN‚ÌŽQÆ
235 */
236#ifdef TOPPERS_get_ipm
237
238ER
239get_ipm(PRI *p_intpri)
240{
241 ER ercd;
242
243 LOG_GET_IPM_ENTER(p_intpri);
244 CHECK_TSKCTX_UNL();
245
246 t_lock_cpu();
247 *p_intpri = t_get_ipm();
248 ercd = E_OK;
249 t_unlock_cpu();
250
251 error_exit:
252 LOG_GET_IPM_LEAVE(ercd, *p_intpri);
253 return(ercd);
254}
255
256#endif /* TOPPERS_get_ipm */
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