1 | /*
|
---|
2 | * TOPPERS/ASP Kernel
|
---|
3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
|
---|
4 | * Advanced Standard Profile Kernel
|
---|
5 | *
|
---|
6 | * Copyright (C) 2006-2015 by Embedded and Real-Time Systems Laboratory
|
---|
7 | * Graduate School of Information Science, Nagoya Univ., JAPAN
|
---|
8 | *
|
---|
9 | * ä¸è¨èä½æ¨©è
|
---|
10 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
|
---|
11 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
|
---|
12 | * å¤ã»åé
|
---|
13 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
|
---|
14 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
|
---|
15 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
|
---|
16 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
|
---|
17 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
---|
18 | * ç¨ã§ããå½¢ã§åé
|
---|
19 | å¸ããå ´åã«ã¯ï¼åé
|
---|
20 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
|
---|
21 | * è
|
---|
22 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
|
---|
23 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
---|
24 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
---|
25 | * ç¨ã§ããªãå½¢ã§åé
|
---|
26 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
|
---|
27 | * ã¨ï¼
|
---|
28 | * (a) åé
|
---|
29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
|
---|
30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
|
---|
31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
---|
32 | * (b) åé
|
---|
33 | å¸ã®å½¢æ
|
---|
34 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
|
---|
35 | * å ±åãããã¨ï¼
|
---|
36 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
|
---|
37 | * 害ãããï¼ä¸è¨èä½æ¨©è
|
---|
38 | ããã³TOPPERSããã¸ã§ã¯ããå
|
---|
39 | 責ãããã¨ï¼
|
---|
40 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
|
---|
41 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
|
---|
42 | ããã³TOPPERSããã¸ã§ã¯ãã
|
---|
43 | * å
|
---|
44 | 責ãããã¨ï¼
|
---|
45 | *
|
---|
46 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
|
---|
47 | ã
|
---|
48 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
|
---|
49 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
|
---|
50 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
|
---|
51 | * ã®è²¬ä»»ãè² ããªãï¼
|
---|
52 | *
|
---|
53 | * $Id: gic_kernel_impl.h 377 2015-07-31 00:48:14Z ertl-hiro $
|
---|
54 | */
|
---|
55 |
|
---|
56 | /*
|
---|
57 | * ã«ã¼ãã«ã®å²è¾¼ã¿ã³ã³ããã¼ã©ä¾åé¨ï¼GICç¨ï¼
|
---|
58 | *
|
---|
59 | * ãã®ããããã¡ã¤ã«ã¯ï¼target_kernel_impl.hï¼ã¾ãã¯ï¼ããããã¤ã³ã¯
|
---|
60 | * ã«ã¼ãããããã¡ã¤ã«ï¼ã®ã¿ããã¤ã³ã¯ã«ã¼ããããï¼ä»ã®ãã¡ã¤ã«ãã
|
---|
61 | * ç´æ¥ã¤ã³ã¯ã«ã¼ããã¦ã¯ãªããªãï¼
|
---|
62 | */
|
---|
63 |
|
---|
64 | #ifndef TOPPERS_GIC_KERNEL_IMPL_H
|
---|
65 | #define TOPPERS_GIC_KERNEL_IMPL_H
|
---|
66 |
|
---|
67 | #include <sil.h>
|
---|
68 | #include "arm.h"
|
---|
69 |
|
---|
70 | /*
|
---|
71 | * å²è¾¼ã¿çªå·ã®æ°ï¼æå°å¤ã¨æ大å¤
|
---|
72 | */
|
---|
73 | #define TNUM_INTNO GIC_TNUM_INTNO
|
---|
74 | #define TMIN_INTNO UINT_C(0)
|
---|
75 | #define TMAX_INTNO (GIC_TNUM_INTNO - 1)
|
---|
76 |
|
---|
77 | /*
|
---|
78 | * å²è¾¼ã¿ãã³ãã©çªå·ã®æ°
|
---|
79 | */
|
---|
80 | #define TNUM_INHNO GIC_TNUM_INTNO
|
---|
81 |
|
---|
82 | /*
|
---|
83 | * å²è¾¼ã¿çªå·ã®å®ç¾©
|
---|
84 | */
|
---|
85 | #define GIC_INTNO_SGI0 0U
|
---|
86 | #define GIC_INTNO_PPI0 16U
|
---|
87 | #define GIC_INTNO_SPI0 32U
|
---|
88 |
|
---|
89 | /*
|
---|
90 | * å²è¾¼ã¿åªå
|
---|
91 | 度ã®æä½
|
---|
92 | *
|
---|
93 | * å²è¾¼ã¿åªå
|
---|
94 | 度ã®å
|
---|
95 | é¨è¡¨ç¾ã¯ï¼uint_tåã§è¡¨ãï¼0ãæé«åªå
|
---|
96 | 度ã§ï¼å¤ã大ã
|
---|
97 | * ãã»ã©åªå
|
---|
98 | 度ãä¸ãããã®ã¨ããï¼GICã®ã¬ã¸ã¹ã¿æ§æã¨æ´åãããããã«ï¼
|
---|
99 | * åªå
|
---|
100 | 度ã®æ®µæ°ã256段éã®æã«ãããã¦è¡¨ãï¼
|
---|
101 | */
|
---|
102 | #if GIC_PRI_LEVEL == 16
|
---|
103 | #define GIC_PRI_SHIFT 4
|
---|
104 | #define GIC_PRI_MASK UINT_C(0x0f)
|
---|
105 | #elif GIC_PRI_LEVEL == 32
|
---|
106 | #define GIC_PRI_SHIFT 3
|
---|
107 | #define GIC_PRI_MASK UINT_C(0x1f)
|
---|
108 | #elif GIC_PRI_LEVEL == 64
|
---|
109 | #define GIC_PRI_SHIFT 2
|
---|
110 | #define GIC_PRI_MASK UINT_C(0x3f)
|
---|
111 | #elif GIC_PRI_LEVEL == 128
|
---|
112 | #define GIC_PRI_SHIFT 1
|
---|
113 | #define GIC_PRI_MASK UINT_C(0x7f)
|
---|
114 | #elif GIC_PRI_LEVEL == 256
|
---|
115 | #define GIC_PRI_SHIFT 0
|
---|
116 | #define GIC_PRI_MASK UINT_C(0xff)
|
---|
117 | #else
|
---|
118 | #error Invalid number of priority levels for GIC.
|
---|
119 | #endif /* GIC_PRI_LEVEL == 16 */
|
---|
120 |
|
---|
121 | /* å¤é¨è¡¨ç¾ã¸ã®å¤æ */
|
---|
122 | #define EXT_IPM(pri) \
|
---|
123 | (((PRI)((pri) >> GIC_PRI_SHIFT)) - (GIC_PRI_LEVEL - 1))
|
---|
124 |
|
---|
125 | /* å
|
---|
126 | é¨è¡¨ç¾ã¸ã®å¤æ */
|
---|
127 | #define INT_IPM(ipm) \
|
---|
128 | (((uint_t)((ipm) + (GIC_PRI_LEVEL - 1))) << GIC_PRI_SHIFT)
|
---|
129 |
|
---|
130 | /* TMIN_INTPRIï¼TMAX_INTPRIã¨ã®æ´åæ§ã®ãã§ã㯠*/
|
---|
131 | #if TMAX_INTPRI - TMIN_INTPRI + 2 != GIC_PRI_LEVEL
|
---|
132 | #error GIC_PRI_LEVEL does not match TMIN_INTPRI.
|
---|
133 | #endif
|
---|
134 |
|
---|
135 | /*
|
---|
136 | * GICã¬ã¸ã¹ã¿ã®ã¢ãã¬ã¹ãå®ç¾©ããããã®ãã¯ã
|
---|
137 | *
|
---|
138 | * GICã¬ã¸ã¹ã¿ã®ã¢ãã¬ã¹ãï¼ã¢ã»ã³ããªè¨èªãããåç
|
---|
139 | §ã§ããããã«ããã
|
---|
140 | * ãã®ãã¯ãï¼
|
---|
141 | */
|
---|
142 | #ifndef GIC_REG
|
---|
143 | #define GIC_REG(base, offset) ((uint32_t *)((base) + (offset ## U)))
|
---|
144 | #endif /* GIC_REG */
|
---|
145 |
|
---|
146 | /*
|
---|
147 | * CPUã¤ã³ã¿ãã§ã¼ã¹é¢é£ã®å®ç¾©
|
---|
148 | */
|
---|
149 | #define GICC_CTLR GIC_REG(GICC_BASE, 0x00)
|
---|
150 | #define GICC_PMR GIC_REG(GICC_BASE, 0x04)
|
---|
151 | #define GICC_BPR GIC_REG(GICC_BASE, 0x08)
|
---|
152 | #define GICC_IAR GIC_REG(GICC_BASE, 0x0C)
|
---|
153 | #define GICC_EOIR GIC_REG(GICC_BASE, 0x10)
|
---|
154 | #define GICC_RPR GIC_REG(GICC_BASE, 0x14)
|
---|
155 | #define GICC_HPIR GIC_REG(GICC_BASE, 0x18)
|
---|
156 |
|
---|
157 | /*
|
---|
158 | * CPUã¤ã³ã¿ãã§ã¼ã¹å¶å¾¡ã¬ã¸ã¹ã¿ï¼GICC_CTLRï¼ã®è¨å®å¤ï¼GICv1ã§ã»ãã¥ãª
|
---|
159 | * ãã£æ¡å¼µããªãå ´åï¼
|
---|
160 | */
|
---|
161 | #define GICC_CTLR_DISABLE UINT_C(0x00)
|
---|
162 | #define GICC_CTLR_ENABLE UINT_C(0x01)
|
---|
163 |
|
---|
164 | /*
|
---|
165 | * CPUã¤ã³ã¿ãã§ã¼ã¹å¶å¾¡ã¬ã¸ã¹ã¿ï¼GICC_CTLRï¼ã®è¨å®å¤ï¼GICv2ã§ã»ãã¥ãª
|
---|
166 | * ãã£æ¡å¼µããªãå ´åãï¼æ¡å¼µãããå ´åã®ã»ãã¥ã¢ã¢ã¼ãï¼
|
---|
167 | */
|
---|
168 | #ifdef TOPPERS_SAFEG_SECURE
|
---|
169 | #define GICC_CTLR_ENABLEGRP0 UINT_C(0x01)
|
---|
170 | #define GICC_CTLR_ENABLEGRP1 UINT_C(0x02)
|
---|
171 | #define GICC_CTLR_FIQEN UINT_C(0x08)
|
---|
172 | #define GICC_CTLR_CBPR UINT_C(0x10)
|
---|
173 | #endif /* TOPPERS_SAFEG_SECURE */
|
---|
174 |
|
---|
175 | /*
|
---|
176 | * ãã£ã¹ããªãã¥ã¼ã¿é¢é£ã®å®ç¾©
|
---|
177 | */
|
---|
178 | #define GICD_CTLR GIC_REG(GICD_BASE, 0x000)
|
---|
179 | #define GICD_TYPER GIC_REG(GICD_BASE, 0x004)
|
---|
180 | #define GICD_IIDR GIC_REG(GICD_BASE, 0x008)
|
---|
181 | #define GICD_IGROUPR(n) GIC_REG(GICD_BASE, 0x080 + n * 4)
|
---|
182 | #define GICD_ISENABLER(n) GIC_REG(GICD_BASE, 0x100 + n * 4)
|
---|
183 | #define GICD_ICENABLER(n) GIC_REG(GICD_BASE, 0x180 + n * 4)
|
---|
184 | #define GICD_ISPENDR(n) GIC_REG(GICD_BASE, 0x200 + n * 4)
|
---|
185 | #define GICD_ICPENDR(n) GIC_REG(GICD_BASE, 0x280 + n * 4)
|
---|
186 | #define GICD_ISACTIVER(n) GIC_REG(GICD_BASE, 0x300 + n * 4)
|
---|
187 | #define GICD_ICACTIVER(n) GIC_REG(GICD_BASE, 0x380 + n * 4)
|
---|
188 | #define GICD_IPRIORITYR(n) GIC_REG(GICD_BASE, 0x400 + n * 4)
|
---|
189 | #define GICD_ITARGETSR(n) GIC_REG(GICD_BASE, 0x800 + n * 4)
|
---|
190 | #define GICD_ICFGR(n) GIC_REG(GICD_BASE, 0xc00 + n * 4)
|
---|
191 | #define GICD_NSCAR(n) GIC_REG(GICD_BASE, 0xe00 + n * 4)
|
---|
192 | #define GICD_SGIR GIC_REG(GICD_BASE, 0xf00)
|
---|
193 | #define GICD_CPENDSGIR(n) GIC_REG(GICD_BASE, 0xf10 + n * 4)
|
---|
194 | #define GICD_SPENDSGIR(n) GIC_REG(GICD_BASE, 0xf20 + n * 4)
|
---|
195 |
|
---|
196 | /*
|
---|
197 | * ãã£ã¹ããªãã¥ã¼ã¿å¶å¾¡ã¬ã¸ã¹ã¿ï¼GICD_CTLRï¼ã®è¨å®å¤
|
---|
198 | */
|
---|
199 | #define GICD_CTLR_DISABLE UINT_C(0x00)
|
---|
200 | #define GICD_CTLR_ENABLE UINT_C(0x01)
|
---|
201 |
|
---|
202 | /*
|
---|
203 | * å²è¾¼ã¿ã³ã³ãã£ã®ã¥ã¬ã¼ã·ã§ã³ã¬ã¸ã¹ã¿ï¼GICD_ICFGRnï¼ã®è¨å®å¤
|
---|
204 | *
|
---|
205 | * 第1ãããã¯ï¼ARM11 MPCoreã§ã¯å²è¾¼ã¿ã®éç¥å
|
---|
206 | ããã»ããµãè¨å®ãããã
|
---|
207 | * ã«ä½¿ç¨ããã¦ãããï¼GICv1ããã³GICv2ã§ã¯äºç´ãããã¨ãªã£ã¦ããï¼
|
---|
208 | */
|
---|
209 | #define GICD_ICFGRn_LEVEL UINT_C(0x00)
|
---|
210 | #define GICD_ICFGRn_EDGE UINT_C(0x02)
|
---|
211 | #ifdef GIC_ARM11MOCORE
|
---|
212 | #define GICD_ICFGRn_N_N UINT_C(0x00)
|
---|
213 | #define GICD_ICFGRn_1_N UINT_C(0x01)
|
---|
214 | #endif /* GIC_ARM11MOCORE */
|
---|
215 |
|
---|
216 | #ifndef TOPPERS_MACRO_ONLY
|
---|
217 |
|
---|
218 | /*
|
---|
219 | * CPUã¤ã³ã¿ãã§ã¼ã¹ã®æä½
|
---|
220 | */
|
---|
221 |
|
---|
222 | /*
|
---|
223 | * å²è¾¼ã¿åªå
|
---|
224 | 度ãã¹ã¯ãè¨å®ï¼priã¯å
|
---|
225 | é¨è¡¨ç¾ï¼
|
---|
226 | */
|
---|
227 | Inline void
|
---|
228 | gicc_set_priority(uint_t pri)
|
---|
229 | {
|
---|
230 | sil_wrw_mem(GICC_PMR, pri);
|
---|
231 | }
|
---|
232 |
|
---|
233 | /*
|
---|
234 | * å²è¾¼ã¿åªå
|
---|
235 | 度ãã¹ã¯ãåå¾ï¼å
|
---|
236 | é¨è¡¨ç¾ã§è¿ãï¼
|
---|
237 | */
|
---|
238 | Inline uint_t
|
---|
239 | gicc_get_priority(void)
|
---|
240 | {
|
---|
241 | return(sil_rew_mem(GICC_PMR));
|
---|
242 | }
|
---|
243 |
|
---|
244 | /*
|
---|
245 | * CPUã¤ã³ã¿ãã§ã¼ã¹ã®åæå
|
---|
246 | */
|
---|
247 | extern void gicc_initialize(void);
|
---|
248 |
|
---|
249 | /*
|
---|
250 | * CPUã¤ã³ã¿ãã§ã¼ã¹ã®çµäº
|
---|
251 | */
|
---|
252 | extern void gicc_terminate(void);
|
---|
253 |
|
---|
254 | /*
|
---|
255 | * ãã£ã¹ããªãã¥ã¼ã¿ã®æä½
|
---|
256 | */
|
---|
257 |
|
---|
258 | /*
|
---|
259 | * å²è¾¼ã¿ç¦æ¢ï¼å²è¾¼ã¿ã¤ãã¼ãã«ã®ã¯ãªã¢ï¼
|
---|
260 | */
|
---|
261 | Inline void
|
---|
262 | gicd_disable_int(INTNO intno)
|
---|
263 | {
|
---|
264 | sil_wrw_mem(GICD_ICENABLER(intno / 32), (1U << (intno % 32)));
|
---|
265 | }
|
---|
266 |
|
---|
267 | /*
|
---|
268 | * å²è¾¼ã¿è¨±å¯ï¼å²è¾¼ã¿ã¤ãã¼ãã«ã®ã»ããï¼
|
---|
269 | */
|
---|
270 | Inline void
|
---|
271 | gicd_enable_int(INTNO intno)
|
---|
272 | {
|
---|
273 | sil_wrw_mem(GICD_ISENABLER(intno / 32), (1U << (intno % 32)));
|
---|
274 | }
|
---|
275 |
|
---|
276 | /*
|
---|
277 | * å²è¾¼ã¿ãã³ãã£ã³ã°ã®ã¯ãªã¢
|
---|
278 | */
|
---|
279 | Inline void
|
---|
280 | gicd_clear_pending(INTNO intno)
|
---|
281 | {
|
---|
282 | sil_wrw_mem(GICD_ICPENDR(intno / 32), (1U << (intno % 32)));
|
---|
283 | }
|
---|
284 |
|
---|
285 | /*
|
---|
286 | * å²è¾¼ã¿ãã³ãã£ã³ã°ã®ã»ãã
|
---|
287 | */
|
---|
288 | Inline void
|
---|
289 | gicd_set_pending(INTNO intno)
|
---|
290 | {
|
---|
291 | sil_wrw_mem(GICD_ISPENDR(intno / 32), (1U << (intno % 32)));
|
---|
292 | }
|
---|
293 |
|
---|
294 | /*
|
---|
295 | * å²è¾¼ã¿ãã³ãã£ã³ã°ã®ãã§ãã¯
|
---|
296 | */
|
---|
297 | Inline bool_t
|
---|
298 | gicd_probe_pending(INTNO intno)
|
---|
299 | {
|
---|
300 | return((sil_rew_mem(GICD_ISPENDR(intno / 32)) & (1U << (intno % 32)))
|
---|
301 | != 0U);
|
---|
302 | }
|
---|
303 |
|
---|
304 | /*
|
---|
305 | * å²è¾¼ã¿ã®ã³ã³ãã£ã°ã¬ã¼ã·ã§ã³
|
---|
306 | */
|
---|
307 | Inline void
|
---|
308 | gicd_config(INTNO intno, uint_t config)
|
---|
309 | {
|
---|
310 | uint_t shift = (intno % 16) * 2;
|
---|
311 | uint32_t reg;
|
---|
312 |
|
---|
313 | reg = sil_rew_mem(GICD_ICFGR(intno / 16));
|
---|
314 | reg &= ~(0x03U << shift);
|
---|
315 | reg |= (config << shift);
|
---|
316 | sil_wrw_mem(GICD_ICFGR(intno / 16), reg);
|
---|
317 | }
|
---|
318 |
|
---|
319 | /*
|
---|
320 | * å²è¾¼ã¿ã°ã«ã¼ãã®è¨å®ï¼ã»ãã¥ãªãã£æ¡å¼µï¼
|
---|
321 | */
|
---|
322 | Inline void
|
---|
323 | gicd_config_group(INTNO intno, uint_t group)
|
---|
324 | {
|
---|
325 | uint_t shift = intno % 32;
|
---|
326 | uint32_t reg;
|
---|
327 |
|
---|
328 | reg = sil_rew_mem(GICD_IGROUPR(intno / 32));
|
---|
329 | reg &= ~(0x01U << shift);
|
---|
330 | reg |= (group << shift);
|
---|
331 | sil_wrw_mem(GICD_IGROUPR(intno / 32), reg);
|
---|
332 | }
|
---|
333 |
|
---|
334 | /*
|
---|
335 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³ã«å¯¾ããå²è¾¼ã¿åªå
|
---|
336 | 度ã®è¨å®ï¼priã¯å
|
---|
337 | é¨è¡¨ç¾ï¼
|
---|
338 | */
|
---|
339 | Inline void
|
---|
340 | gicd_set_priority(INTNO intno, uint_t pri)
|
---|
341 | {
|
---|
342 | uint_t shift = (intno % 4) * 8;
|
---|
343 | uint32_t reg;
|
---|
344 |
|
---|
345 | reg = sil_rew_mem(GICD_IPRIORITYR(intno / 4));
|
---|
346 | reg &= ~(0xffU << shift);
|
---|
347 | reg |= (pri << shift);
|
---|
348 | sil_wrw_mem(GICD_IPRIORITYR(intno / 4), reg);
|
---|
349 | }
|
---|
350 |
|
---|
351 | /*
|
---|
352 | * å²è¾¼ã¿ã¿ã¼ã²ããããã»ããµã®è¨å®
|
---|
353 | *
|
---|
354 | * prcsã¯ï¼ã¿ã¼ã²ããã¨ããããã»ããµã表ããããã®ãããæ¯è«çåã§æ
|
---|
355 | * å®ããï¼
|
---|
356 | * ããã»ããµ0 : 0x01
|
---|
357 | * ããã»ããµ1 : 0x02
|
---|
358 | * ããã»ããµ2 : 0x04
|
---|
359 | * ããã»ããµ3 : 0x08
|
---|
360 | */
|
---|
361 | Inline void
|
---|
362 | gicd_set_target(INTNO intno, uint_t prcs)
|
---|
363 | {
|
---|
364 | uint_t shift = (intno % 4) * 8;
|
---|
365 | uint32_t reg;
|
---|
366 |
|
---|
367 | reg = sil_rew_mem(GICD_ITARGETSR(intno / 4));
|
---|
368 | reg &= ~(0xffU << shift);
|
---|
369 | reg |= (prcs << shift);
|
---|
370 | sil_wrw_mem(GICD_ITARGETSR(intno / 4), reg);
|
---|
371 | }
|
---|
372 |
|
---|
373 | /*
|
---|
374 | * ãã£ã¹ããªãã¥ã¼ã¿ã®åæå
|
---|
375 | */
|
---|
376 | extern void gicd_initialize(void);
|
---|
377 |
|
---|
378 | /*
|
---|
379 | * ãã£ã¹ããªãã¥ã¼ã¿ã®çµäº
|
---|
380 | */
|
---|
381 | extern void gicd_terminate(void);
|
---|
382 |
|
---|
383 | #endif /* TOPPERS_MACRO_ONLY */
|
---|
384 |
|
---|
385 | /*
|
---|
386 | * å²è¾¼ã¿çªå·ã®ç¯å²ã®å¤å®
|
---|
387 | */
|
---|
388 | #define VALID_INTNO(intno) (TMIN_INTNO <= (intno) && (intno) <= TMAX_INTNO)
|
---|
389 |
|
---|
390 | /*
|
---|
391 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³ã®ããã®æ¨æºçãªåæåæ
|
---|
392 | å ±ãçæãã
|
---|
393 | */
|
---|
394 | #define USE_INTINIB_TABLE
|
---|
395 |
|
---|
396 | /*
|
---|
397 | * å²è¾¼ã¿è¦æ±ã©ã¤ã³è¨å®ãã¼ãã«ãçæãã
|
---|
398 | */
|
---|
399 | #define USE_INTCFG_TABLE
|
---|
400 |
|
---|
401 | /*
|
---|
402 | * ã³ã¢ä¾åé¨
|
---|
403 | */
|
---|
404 | #include "core_kernel_impl.h"
|
---|
405 |
|
---|
406 | /*
|
---|
407 | * ã¿ã¼ã²ããéä¾åé¨ã«æä¾ããé¢æ°
|
---|
408 | */
|
---|
409 | #ifndef TOPPERS_MACRO_ONLY
|
---|
410 |
|
---|
411 | /*
|
---|
412 | * å²è¾¼ã¿åªå
|
---|
413 | 度ãã¹ã¯ã®è¨å®
|
---|
414 | */
|
---|
415 | Inline void
|
---|
416 | t_set_ipm(PRI intpri)
|
---|
417 | {
|
---|
418 | gicc_set_priority(INT_IPM(intpri));
|
---|
419 | }
|
---|
420 |
|
---|
421 | /*
|
---|
422 | * å²è¾¼ã¿åªå
|
---|
423 | 度ãã¹ã¯ã®åç
|
---|
424 | §
|
---|
425 | */
|
---|
426 | Inline PRI
|
---|
427 | t_get_ipm(void)
|
---|
428 | {
|
---|
429 | return(EXT_IPM(gicc_get_priority()));
|
---|
430 | }
|
---|
431 |
|
---|
432 | /*
|
---|
433 | * å²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã»ãã
|
---|
434 | *
|
---|
435 | * intnoã§æå®ãããå²è¾¼ã¿è¦æ±ã©ã¤ã³ã«å¯¾ããå²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã»ã
|
---|
436 | * ããï¼å²è¾¼ã¿ãç¦æ¢ããï¼å²è¾¼ã¿å±æ§ãè¨å®ããã¦ããªãå²è¾¼ã¿è¦æ±ã©ã¤
|
---|
437 | * ã³ãæå®ãããå ´åã«ã¯ï¼falseãè¿ãï¼
|
---|
438 | */
|
---|
439 | Inline bool_t
|
---|
440 | disable_int(INTNO intno)
|
---|
441 | {
|
---|
442 | if (intcfg_table[intno] == 0U) {
|
---|
443 | return(false);
|
---|
444 | }
|
---|
445 | gicd_disable_int(intno);
|
---|
446 | return(true);
|
---|
447 | }
|
---|
448 |
|
---|
449 | /*
|
---|
450 | * å²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã¯ãªã¢
|
---|
451 | *
|
---|
452 | * intnoã§æå®ãããå²è¾¼ã¿è¦æ±ã©ã¤ã³ã«å¯¾ããå²è¾¼ã¿è¦æ±ç¦æ¢ãã©ã°ã®ã¯ãª
|
---|
453 | * ã¢ãï¼å²è¾¼ã¿ã許å¯ããï¼å²è¾¼ã¿å±æ§ãè¨å®ããã¦ããªãå²è¾¼ã¿è¦æ±ã©ã¤
|
---|
454 | * ã³ãæå®ãããå ´åã«ã¯ï¼falseãè¿ãï¼
|
---|
455 | */
|
---|
456 | Inline bool_t
|
---|
457 | enable_int(INTNO intno)
|
---|
458 | {
|
---|
459 | if (intcfg_table[intno] == 0U) {
|
---|
460 | return(false);
|
---|
461 | }
|
---|
462 | gicd_enable_int(intno);
|
---|
463 | return(true);
|
---|
464 | }
|
---|
465 |
|
---|
466 | /*
|
---|
467 | * å²è¾¼ã¿è¦æ±ã®ã¯ãªã¢
|
---|
468 | */
|
---|
469 | Inline void
|
---|
470 | clear_int(INTNO intno)
|
---|
471 | {
|
---|
472 | gicd_clear_pending(intno);
|
---|
473 | }
|
---|
474 |
|
---|
475 | /*
|
---|
476 | * å²è¾¼ã¿è¦æ±ã®ãã§ãã¯
|
---|
477 | */
|
---|
478 | Inline bool_t
|
---|
479 | probe_int(INTNO intno)
|
---|
480 | {
|
---|
481 | return(gicd_probe_pending(intno));
|
---|
482 | }
|
---|
483 |
|
---|
484 | #endif /* TOPPERS_MACRO_ONLY */
|
---|
485 | #endif /* TOPPERS_GIC_KERNEL_IMPL_H */
|
---|