[363] | 1 | ; *
|
---|
| 2 | ; * TOPPERS/JSP Kernel
|
---|
| 3 | ; * Toyohashi Open Platform for Embedded Real-Time Systems/
|
---|
| 4 | ; * Just Standard Profile Kernel
|
---|
| 5 | ; *
|
---|
| 6 | ; * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
|
---|
| 7 | ; * Toyohashi Univ. of Technology, JAPAN
|
---|
| 8 | ; *
|
---|
| 9 | ; * ä¸è¨èä½æ¨©è
|
---|
| 10 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
|
---|
| 11 | ; * ã«ãã£ã¦å
|
---|
| 12 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
|
---|
| 13 | ; * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
|
---|
| 14 | ; * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
|
---|
| 15 | å¸ï¼ä»¥ä¸ï¼
|
---|
| 16 | ; * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
|
---|
| 17 | ; * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
|
---|
| 18 | ; * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
|
---|
| 19 | ; * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
|
---|
| 20 | ; * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
---|
| 21 | ; * ç¨ã§ããå½¢ã§åé
|
---|
| 22 | å¸ããå ´åã«ã¯ï¼åé
|
---|
| 23 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
|
---|
| 24 | ; * è
|
---|
| 25 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
|
---|
| 26 | ; * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
---|
| 27 | ; * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
---|
| 28 | ; * ç¨ã§ããªãå½¢ã§åé
|
---|
| 29 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
|
---|
| 30 | ; * ã¨ï¼
|
---|
| 31 | ; * (a) åé
|
---|
| 32 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
|
---|
| 33 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
|
---|
| 34 | ; * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
---|
| 35 | ; * (b) åé
|
---|
| 36 | å¸ã®å½¢æ
|
---|
| 37 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
|
---|
| 38 | ; * å ±åãããã¨ï¼
|
---|
| 39 | ; * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
|
---|
| 40 | ; * 害ãããï¼ä¸è¨èä½æ¨©è
|
---|
| 41 | ããã³TOPPERSããã¸ã§ã¯ããå
|
---|
| 42 | 責ãããã¨ï¼
|
---|
| 43 | ; *
|
---|
| 44 | ; * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
|
---|
| 45 | ã
|
---|
| 46 | ; * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
|
---|
| 47 | ; * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
|
---|
| 48 | ; * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
|
---|
| 49 | ; *
|
---|
| 50 | ; * @(#) $Id: cpu_support.S,v 1.5 2003/12/04 08:25:44 honda Exp $
|
---|
| 51 | ; *
|
---|
| 52 |
|
---|
| 53 | .c_mode
|
---|
| 54 | .align 1
|
---|
| 55 | .global __kernel_dispatch
|
---|
| 56 | .include "c5402dsk.h"
|
---|
| 57 | .mmregs
|
---|
| 58 |
|
---|
| 59 | __kernel_dispatch:
|
---|
| 60 | PSHM AR1 ;AR1,6,7ãã¹ã¿ãã¯ã«ä¿å
|
---|
| 61 | PSHM AR6 ;PCã¯å¼ã³åºãæã«ã¹ã¿ãã¯ã«ä¿åããã
|
---|
| 62 | PSHM AR7 ;ä»ã®è£å©ã¬ã¸ã¹ã¿ARxã¯ä¿åããå¿
|
---|
| 63 | è¦ã¯ãªã
|
---|
| 64 | LDM SP,A
|
---|
| 65 | MVDM *(__kernel_runtsk),AR1 ;AR1 <- runtsk
|
---|
| 66 | NOP
|
---|
| 67 | STL A,*AR1(TCB_sp) ;ã¿ã¹ã¯ã¹ã¿ãã¯ãTCBã«ä¿å
|
---|
| 68 | ST #dispatch_r,*AR1(TCB_pc) ;å®è¡åéçªå°ãTCBã«ä¿å
|
---|
| 69 | B dispatcher_1
|
---|
| 70 |
|
---|
| 71 | dispatch_r:
|
---|
| 72 | POPM AR7 ;ã¬ã¸ã¹ã¿ã復帰
|
---|
| 73 | POPM AR6
|
---|
| 74 | POPM AR1
|
---|
| 75 | B __kernel_calltex ;ã¿ã¹ã¯ä¾å¤ã«ã¼ãã³ã®å¼ã³åºã
|
---|
| 76 |
|
---|
| 77 | .global __kernel_exit_and_dispatch
|
---|
| 78 | __kernel_exit_and_dispatch:
|
---|
| 79 | SSBX INTM ;å²ãè¾¼ã¿ç¦æ¢
|
---|
| 80 | ST #0,*(__kernel_nest) ;ã«ã¼ãã«ã®åæåå¦çæã®ãã
|
---|
| 81 | dispatcher_1:
|
---|
| 82 | LD *(__kernel_schedtsk),A ;schedtskããããï¼
|
---|
| 83 | BC dispatcher_2,AEQ ;ç¡ããã°ã¸ã£ã³ã
|
---|
| 84 | MVDK *(__kernel_schedtsk),*(__kernel_runtsk) ;schedtskãruntskã«
|
---|
| 85 | MVDM *(__kernel_runtsk),AR1
|
---|
| 86 | NOP
|
---|
| 87 | MVDK *AR1(TCB_sp),SP ;TCBããã¹ã¿ãã¯ã復帰
|
---|
| 88 | LD *AR1(TCB_pc),A ;TCBããå®è¡åéçªå°ã復帰
|
---|
| 89 | BACC A
|
---|
| 90 |
|
---|
| 91 | dispatcher_2:
|
---|
| 92 | STM #STACKTOP,SP
|
---|
| 93 | ST #0x01,*(__kernel_nest)
|
---|
| 94 | RSBX INTM ;å²ãè¾¼ã¿è¨±å¯
|
---|
| 95 | IDLE 1 ;ãªã»ããããã¹ã¯ããã¦ããªãå²è¾¼ã¿å¾
|
---|
| 96 | ã¡
|
---|
| 97 | SSBX INTM ;å²ãè¾¼ã¿ç¦æ¢
|
---|
| 98 | ST #0x0,*(__kernel_nest)
|
---|
| 99 | B dispatcher_1
|
---|
| 100 |
|
---|
| 101 |
|
---|
| 102 | ;
|
---|
| 103 | ; ã¿ã¹ã¯ã®èµ·åå¦ç
|
---|
| 104 | ;
|
---|
| 105 |
|
---|
| 106 | .global __kernel_activate_r
|
---|
| 107 | ; .global _activate_r
|
---|
| 108 | __kernel_activate_r:
|
---|
| 109 | ;_activate_r:
|
---|
| 110 | RSBX INTM ;å²ãè¾¼ã¿è¨±å¯
|
---|
| 111 | POPM AR2
|
---|
| 112 | POPM AR3
|
---|
| 113 | LDM AR2,B
|
---|
| 114 | LDM AR3,A
|
---|
| 115 | BACC B
|
---|
| 116 |
|
---|
| 117 |
|
---|
| 118 |
|
---|
| 119 | .global _interrupt
|
---|
| 120 | _interrupt:
|
---|
| 121 | PSHM ST0
|
---|
| 122 | PSHM AL
|
---|
| 123 | PSHM AH
|
---|
| 124 | PSHM AG
|
---|
| 125 | PSHM BL
|
---|
| 126 | PSHM BH
|
---|
| 127 | PSHM BG
|
---|
| 128 | PSHM ST1
|
---|
| 129 | PSHM AR0
|
---|
| 130 | PSHM AR2
|
---|
| 131 | PSHM AR3
|
---|
| 132 | PSHM AR4
|
---|
| 133 | PSHM AR5
|
---|
| 134 | PSHM T
|
---|
| 135 | PSHM TRN
|
---|
| 136 | PSHM BK
|
---|
| 137 | PSHM BRC
|
---|
| 138 | PSHM RSA
|
---|
| 139 | PSHM REA
|
---|
| 140 | PSHM PMST
|
---|
| 141 | LD *(__kernel_nest),A
|
---|
| 142 | ADDM #1,*(__kernel_nest) ;å²ãè¾¼ã¿ã®ãã¹ãåæ°ãã¤ã³ã¯ãªã¡ã³ã
|
---|
| 143 | BC _interrupt_from_int,ANEQ
|
---|
| 144 | LDM SP,A ;ã¹ã¿ãã¯å
|
---|
| 145 | ¥ãæ¿ãã¨
|
---|
| 146 | STM #STACKTOP,SP ;å
|
---|
| 147 | ã®ã¹ã¿ãã¯ãã¤ã³ã¿ã®
|
---|
| 148 | PSHM AL ;ä¿åãè¡ã
|
---|
| 149 | PSHM IMR
|
---|
| 150 | MVDM *(_INT_VECNO),AR2 ;ãªãã»ããå¤ãAR2ã«ã»ãã
|
---|
| 151 | STM #IMR,AR3 ;åãå²ãè¾¼ã¿ãä½åº¦ãããããªãããã«
|
---|
| 152 | LD *AR2(__kernel_int_mask_table),A ; ï½
|
---|
| 153 | AND *AR3,A ; â
|
---|
| 154 | STL A,*AR3 ;ç¾å¨ã®å²ãè¾¼ã¿ããã¹ã¯ãã
|
---|
| 155 | LD *AR2(__kernel_int_table),A ;å²ãè¾¼ã¿ãã³ãã©ã®ã¢ãã¬ã¹ãåå¾
|
---|
| 156 | RSBX INTM ;ãã以éå²ãè¾¼ã¿ãåãåãä»ãã
|
---|
| 157 | CALA A ;å²ãè¾¼ã¿ãã³ãã©ã¸
|
---|
| 158 | SSBX INTM ;å²ãè¾¼ã¿ãç¦æ¢
|
---|
| 159 | ADDM #-1,*(__kernel_nest) ;ãã¯ãªã¡ã³ã
|
---|
| 160 | POPM IMR
|
---|
| 161 | POPM SP ;æ»ãå
|
---|
| 162 | ãã¿ã¹ã¯ãªã®ã§ã¹ã¿ãã¯ãæ»ã
|
---|
| 163 | LD *(__kernel_reqflg),A
|
---|
| 164 | BC _ret_to_task_int,AEQ ;reqflgãFALSEãªãã¸ã£ã³ã
|
---|
| 165 | ST #0,*(__kernel_reqflg)
|
---|
| 166 | B ret_int
|
---|
| 167 |
|
---|
| 168 | _interrupt_from_int:
|
---|
| 169 | LDM SP,A
|
---|
| 170 | ANDM #0xFFFE,*(SP)
|
---|
| 171 | NOP
|
---|
| 172 | NOP
|
---|
| 173 | PSHM AL
|
---|
| 174 | PSHM IMR
|
---|
| 175 | MVDM *(_INT_VECNO),AR2 ;ãªãã»ããå¤ãAR2ã«ã»ãã
|
---|
| 176 | STM #IMR,AR3 ;åãå²ãè¾¼ã¿ãä½åº¦ãããããªãããã«
|
---|
| 177 | LD *AR2(__kernel_int_mask_table),A ; ï½
|
---|
| 178 | AND *AR3,A ; â
|
---|
| 179 | STL A,*AR3 ;ç¾å¨ã®å²ãè¾¼ã¿ããã¹ã¯ãã
|
---|
| 180 | LD *AR2(__kernel_int_table),A ;å²ãè¾¼ã¿ãã³ãã©ã®ã¢ãã¬ã¹ãåå¾
|
---|
| 181 | RSBX INTM ;ãã以éå²ãè¾¼ã¿ãåãä»ãã
|
---|
| 182 | CALA A ;å²ãè¾¼ã¿ãã³ãã©ã
|
---|
| 183 | SSBX INTM ;å²ãè¾¼ã¿ç¦æ¢
|
---|
| 184 | POPM IMR
|
---|
| 185 | POPM SP
|
---|
| 186 | ADDM #-1,*(__kernel_nest) ;å²ãè¾¼ã¿ã®ãã¹ãåæ°ããã¯ãªã¡ã³ã
|
---|
| 187 | _ret_to_task_int: ;ã¬ã¸ã¹ã¿ã復帰ãå²ãè¾¼ã¿å
|
---|
| 188 | ã¸æ»ãã
|
---|
| 189 | POPM PMST
|
---|
| 190 | POPM REA
|
---|
| 191 | POPM RSA
|
---|
| 192 | POPM BRC
|
---|
| 193 | POPM BK
|
---|
| 194 | POPM TRN
|
---|
| 195 | POPM T
|
---|
| 196 | POPM AR5
|
---|
| 197 | POPM AR4
|
---|
| 198 | POPM AR3
|
---|
| 199 | POPM AR2
|
---|
| 200 | POPM AR0
|
---|
| 201 | POPM ST1
|
---|
| 202 | POPM BG
|
---|
| 203 | POPM BH
|
---|
| 204 | POPM BL
|
---|
| 205 | POPM AG
|
---|
| 206 | POPM AH
|
---|
| 207 | POPM AL
|
---|
| 208 | POPM ST0
|
---|
| 209 | RETE
|
---|
| 210 |
|
---|
| 211 | .global ret_int
|
---|
| 212 | ret_int:
|
---|
| 213 | LD *(__kernel_enadsp),A
|
---|
| 214 | BC ret_int_1,AEQ
|
---|
| 215 | MVDM *(__kernel_runtsk),AR0
|
---|
| 216 | MVDM *(__kernel_schedtsk),AR2
|
---|
| 217 | NOP
|
---|
| 218 | CMPR EQ,AR2 ;runtskã¨schedtskãæ¯è¼
|
---|
| 219 | BC ret_int_1,TC
|
---|
| 220 | PSHM AR1
|
---|
| 221 | PSHM AR6
|
---|
| 222 | PSHM AR7
|
---|
| 223 | LDM SP,A
|
---|
| 224 | STL A,*AR0(TCB_sp)
|
---|
| 225 | ST #ret_int_r,*AR0(TCB_pc)
|
---|
| 226 | B dispatcher_1
|
---|
| 227 | ret_int_r:
|
---|
| 228 | POPM AR7
|
---|
| 229 | POPM AR6
|
---|
| 230 | POPM AR1
|
---|
| 231 | ret_int_1:
|
---|
| 232 | LDM SP,A
|
---|
| 233 | ANDM #0xFFFE,*(SP)
|
---|
| 234 | NOP
|
---|
| 235 | NOP
|
---|
| 236 | PSHM AL
|
---|
| 237 | FRAME #-1
|
---|
| 238 | LD #__kernel_calltex,A
|
---|
| 239 | CALA A
|
---|
| 240 | FRAME #1
|
---|
| 241 | POPM SP
|
---|
| 242 | NOP
|
---|
| 243 | POPM PMST
|
---|
| 244 | POPM REA
|
---|
| 245 | POPM RSA
|
---|
| 246 | POPM BRC
|
---|
| 247 | POPM BK
|
---|
| 248 | POPM TRN
|
---|
| 249 | POPM T
|
---|
| 250 | POPM AR5
|
---|
| 251 | POPM AR4
|
---|
| 252 | POPM AR3
|
---|
| 253 | POPM AR2
|
---|
| 254 | POPM AR0
|
---|
| 255 | POPM ST1
|
---|
| 256 | POPM BG
|
---|
| 257 | POPM BH
|
---|
| 258 | POPM BL
|
---|
| 259 | POPM AG
|
---|
| 260 | POPM AH
|
---|
| 261 | POPM AL
|
---|
| 262 | POPM ST0
|
---|
| 263 | RETE
|
---|
| 264 |
|
---|
| 265 | ;
|
---|
| 266 | ; å¾®å°æéå¾
|
---|
| 267 | ã¡
|
---|
| 268 | ;
|
---|
| 269 | .global _sil_dly_nse
|
---|
| 270 | _sil_dly_nse:
|
---|
| 271 | SSBX SXM
|
---|
| 272 | NOP
|
---|
| 273 | LD *(AL), A
|
---|
| 274 | SUB #SIL_DLY_TIM1, A, A
|
---|
| 275 | BC _sil_dly_nse1, AGT
|
---|
| 276 | RET
|
---|
| 277 | _sil_dly_nse1:
|
---|
| 278 | SUB #SIL_DLY_TIM2, A, A
|
---|
| 279 | BC _sil_dly_nse1, AGT
|
---|
| 280 | RET
|
---|
| 281 |
|
---|