[172] | 1 | /*
|
---|
| 2 | * TOPPERS ATK2
|
---|
| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems
|
---|
| 4 | * Automotive Kernel Version 2
|
---|
| 5 | *
|
---|
| 6 | * Copyright (C) 2012-2015 by Center for Embedded Computing Systems
|
---|
| 7 | * Graduate School of Information Science, Nagoya Univ., JAPAN
|
---|
| 8 | * Copyright (C) 2012-2014 by FUJISOFT INCORPORATED, JAPAN
|
---|
| 9 | * Copyright (C) 2012-2013 by Spansion LLC, USA
|
---|
| 10 | * Copyright (C) 2012-2013 by NEC Communication Systems, Ltd., JAPAN
|
---|
| 11 | * Copyright (C) 2012-2014 by Panasonic Advanced Technology Development Co., Ltd., JAPAN
|
---|
| 12 | * Copyright (C) 2012-2014 by Renesas Electronics Corporation, JAPAN
|
---|
| 13 | * Copyright (C) 2012-2014 by Sunny Giken Inc., JAPAN
|
---|
| 14 | * Copyright (C) 2012-2014 by TOSHIBA CORPORATION, JAPAN
|
---|
| 15 | * Copyright (C) 2012-2014 by Witz Corporation, JAPAN
|
---|
| 16 | *
|
---|
| 17 | * ä¸è¨èä½æ¨©è
|
---|
| 18 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
|
---|
| 19 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
|
---|
| 20 | * å¤ã»åé
|
---|
| 21 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
|
---|
| 22 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
|
---|
| 23 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
|
---|
| 24 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
|
---|
| 25 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
---|
| 26 | * ç¨ã§ããå½¢ã§åé
|
---|
| 27 | å¸ããå ´åã«ã¯ï¼åé
|
---|
| 28 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
|
---|
| 29 | * è
|
---|
| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
|
---|
| 31 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
---|
| 32 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
|
---|
| 33 | * ç¨ã§ããªãå½¢ã§åé
|
---|
| 34 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
|
---|
| 35 | * ã¨ï¼
|
---|
| 36 | * (a) åé
|
---|
| 37 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
|
---|
| 38 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
|
---|
| 39 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
|
---|
| 40 | * (b) åé
|
---|
| 41 | å¸ã®å½¢æ
|
---|
| 42 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
|
---|
| 43 | * å ±åãããã¨ï¼
|
---|
| 44 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
|
---|
| 45 | * 害ãããï¼ä¸è¨èä½æ¨©è
|
---|
| 46 | ããã³TOPPERSããã¸ã§ã¯ããå
|
---|
| 47 | 責ãããã¨ï¼
|
---|
| 48 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
|
---|
| 49 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
|
---|
| 50 | ããã³TOPPERSããã¸ã§ã¯ãã
|
---|
| 51 | * å
|
---|
| 52 | 責ãããã¨ï¼
|
---|
| 53 | *
|
---|
| 54 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼AUTOSARï¼AUTomotive Open System ARchitectureï¼ä»
|
---|
| 55 | * æ§ã«åºã¥ãã¦ããï¼ä¸è¨ã®è¨±è«¾ã¯ï¼AUTOSARã®ç¥ç財ç£æ¨©ã許諾ãããã®ã§
|
---|
| 56 | * ã¯ãªãï¼AUTOSARã¯ï¼AUTOSARä»æ§ã«åºã¥ããã½ããã¦ã§ã¢ãåç¨ç®çã§å©
|
---|
| 57 | * ç¨ããè
|
---|
| 58 | ã«å¯¾ãã¦ï¼AUTOSARãã¼ããã¼ã«ãªããã¨ãæ±ãã¦ããï¼
|
---|
| 59 | *
|
---|
| 60 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
|
---|
| 61 | ã
|
---|
| 62 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
|
---|
| 63 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
|
---|
| 64 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
|
---|
| 65 | * ã®è²¬ä»»ãè² ããªãï¼
|
---|
| 66 | *
|
---|
| 67 | * $Id: start.S 43 2014-07-19 15:33:29Z ertl-honda $
|
---|
| 68 | */
|
---|
| 69 |
|
---|
| 70 | /*
|
---|
| 71 | * ã«ã¼ãã«å¯¾å¿ã®ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«ï¼V850ç¨ï¼
|
---|
| 72 | */
|
---|
| 73 |
|
---|
| 74 | #define OMIT_INCLUDE_OS_CFG /* Os_Cfg.hã¤ã³ã¯ã«ã¼ãææ¢ */
|
---|
| 75 |
|
---|
| 76 | #include <v850asm.inc>
|
---|
| 77 |
|
---|
| 78 | /* =begin modified for SC3 */
|
---|
| 79 | .section .text_kernel
|
---|
| 80 | .align 4
|
---|
| 81 | .global __start
|
---|
| 82 | .extern _bsssecinib_table
|
---|
| 83 | .extern _tnum_bsssec
|
---|
| 84 | .extern _datasecinib_table
|
---|
| 85 | .extern _tnum_datasec
|
---|
| 86 | .extern _syscall_table
|
---|
| 87 | /* =end modified for SC3 */
|
---|
| 88 | __start:
|
---|
| 89 | di /* å²ãè¾¼ã¿ç¦æ¢ */
|
---|
| 90 | /*
|
---|
| 91 | * å種ãã¤ã³ã¿ã®åæå(SP/TP/EP/GP/CTBP)
|
---|
| 92 | */
|
---|
| 93 | Lea __ostkpt, r3
|
---|
| 94 | ld.w 0[r3], r3
|
---|
| 95 | Lea __tp, tp
|
---|
| 96 | Lea __ep, ep
|
---|
| 97 | Lea __gp, gp
|
---|
| 98 | Lea __ctbp, r6
|
---|
| 99 | ldsr r6, 20
|
---|
| 100 | /* =begin modified for SC3 */
|
---|
| 101 | /*
|
---|
| 102 | * syscallã®åä½è¨å®
|
---|
| 103 | */
|
---|
| 104 | mov SYSCALL_SIZE, r6
|
---|
| 105 | ldsr r6, 11, 1
|
---|
| 106 | Lea _syscall_table, r6
|
---|
| 107 | ldsr r6, 12, 1
|
---|
| 108 | syncp
|
---|
| 109 |
|
---|
| 110 | /* =end modified for SC3 */
|
---|
| 111 |
|
---|
| 112 | #ifdef TOPPERS_USE_HFLOAT
|
---|
| 113 | /*
|
---|
| 114 | * FPUãæå¹ã«
|
---|
| 115 | */
|
---|
| 116 | stsr psw, r12 /* load psw */
|
---|
| 117 | mov 0x00010000,r13 /* PSW.CU0(PSW[16]) = 1 */
|
---|
| 118 | or r13, r12
|
---|
| 119 | ldsr r12, psw /* store psw */
|
---|
| 120 | #endif /* TOPPERS_USE_HFLOAT */
|
---|
| 121 |
|
---|
| 122 | /* permit local ram access */
|
---|
| 123 | mov 0xfffee600, r20 -- PEG #0 base
|
---|
| 124 | mov 0x0001, r21 -- PEGG1SP val / All SPID is permit
|
---|
| 125 | mov 0xffffffff, r22 -- PEGG1MK val / All Address Masked
|
---|
| 126 | mov 0x00000077, r23 -- PEGG1BA val / Enable, Read/Write permit, Non-Lock, Base=0
|
---|
| 127 |
|
---|
| 128 | st.h r21, 0x0c[r20] -- set PEGGSP
|
---|
| 129 | st.w r22, 0x80[r20] -- set PEGG1MK
|
---|
| 130 | st.w r23, 0x84[r20] -- set PEGG1BA
|
---|
| 131 |
|
---|
| 132 | -- Store completion barrier
|
---|
| 133 | ld.w 0x84[r20], r0
|
---|
| 134 | syncp
|
---|
| 135 |
|
---|
| 136 | /*
|
---|
| 137 | * hardware_init_hook ã®å¼åºãï¼0 ã§ãªãå ´åï¼
|
---|
| 138 | *
|
---|
| 139 | * ã¿ã¼ã²ãããã¼ãã¦ã§ã¢ã«ä¾åãã¦å¿
|
---|
| 140 | è¦ãªåæåå¦çãããå ´å
|
---|
| 141 | * ã¯ï¼hardware_init_hook ã¨ããé¢æ°ãç¨æããï¼
|
---|
| 142 | */
|
---|
| 143 |
|
---|
| 144 | Lea _hardware_init_hook, r1
|
---|
| 145 | cmp r0, r1
|
---|
| 146 | be hardware_init_hook_end
|
---|
| 147 | #ifdef __v850e3v5__
|
---|
| 148 | jarl [r1], lp
|
---|
| 149 | #else /* __v850e3v5__ */
|
---|
| 150 | jarl _hardware_init_hook, lp
|
---|
| 151 | #endif /* __v850e3v5__ */
|
---|
| 152 |
|
---|
| 153 | hardware_init_hook_end:
|
---|
| 154 | /* =begin modified for SC3 */
|
---|
| 155 | /*
|
---|
| 156 | * BSSã»ã¯ã·ã§ã³åæå
|
---|
| 157 | * r0: ã¼ãã¬ã¸ã¹ã¿
|
---|
| 158 | */
|
---|
| 159 | mov r0, r6 /* r6: ãã¼ãã«ã®ã¤ã³ããã¯ã¹ i */
|
---|
| 160 | Lea _tnum_bsssec, r7
|
---|
| 161 | ld.w 0[r7], r7 /* r7: ãã¼ãã«ã®è¦ç´ æ° num */
|
---|
| 162 | Lea _bsssecinib_table, r8 /* r8: ãã¼ãã«ã®ã¢ãã¬ã¹ */
|
---|
| 163 | bss_clear_start:
|
---|
| 164 | cmp r7, r6 /* ã«ã¼ãçµäºæ¡ä»¶: i >= num */
|
---|
| 165 | bnl bss_clear_end
|
---|
| 166 | ld.w 0[r8], ep /* ep: bssã®å
|
---|
| 167 | é çªå° */
|
---|
| 168 | ld.w 4[r8], r9 /* r9: bssã®çµäºçªå° */
|
---|
| 169 | cmp r9, ep /* bssã空ãï¼ */
|
---|
| 170 | bnl bss_clear_start_hook /* 空ãªãã°æ¬¡ã®bss㸠*/
|
---|
| 171 | nop
|
---|
| 172 | bss_clear_body:
|
---|
| 173 | /*
|
---|
| 174 | * bssã®é åã¯ï¼4byteå¢çã«ã¢ã©ã¤ã³ããã¦ãã
|
---|
| 175 | * ãã£ã¦ï¼4byteãã¤ãã¼ã¿ãã³ãã¼ãã¦ãã
|
---|
| 176 | */
|
---|
| 177 | sst.w r0, 0[ep] /* bssã®é åã0ã§åæå */
|
---|
| 178 | add 4, ep /* 次ã®çªå°ã¸ */
|
---|
| 179 | cmp r9, ep /* bssã®çµäºçªå°ã¾ã§æ¥ããï¼ */
|
---|
| 180 | bl bss_clear_body /* çµäºçªå°ã§ãªããã°ã«ã¼ã */
|
---|
| 181 | #ifdef BSSSEC_ALIGN_MASK
|
---|
| 182 | /*
|
---|
| 183 | * å¢çã«ãªãã¾ã§åæåãç¶ãã
|
---|
| 184 | */
|
---|
| 185 | mov BSSSEC_ALIGN_MASK, r10
|
---|
| 186 | bss_clear_body2:
|
---|
| 187 | tst r10, ep /* ep & 0xf == 0 ? */
|
---|
| 188 | bz bss_clear_start_hook
|
---|
| 189 | sst.w r0, 0[ep] /* 0åæå */
|
---|
| 190 | add 4, ep
|
---|
| 191 | jr bss_clear_body2
|
---|
| 192 | #endif /* BSSSEC_ALIGN_MASK */
|
---|
| 193 | nop
|
---|
| 194 | bss_clear_start_hook:
|
---|
| 195 | add 8, r8 /* ãã¼ãã«ã®ã¢ãã¬ã¹ãã¤ã³ã¯ãªã¡ã³ã 4byte * 2 -> 8 */
|
---|
| 196 | add 1, r6 /* ãã¼ãã«ã®ã¤ã³ããã¯ã¹ãã¤ã³ã¯ãªã¡ã³ã: i++ */
|
---|
| 197 | br bss_clear_start
|
---|
| 198 | nop
|
---|
| 199 | bss_clear_end:
|
---|
| 200 |
|
---|
| 201 | #ifndef OMIT_DATA_INIT
|
---|
| 202 | /*
|
---|
| 203 | * dataã»ã¯ã·ã§ã³ã®åæåï¼ROMå対å¿ï¼
|
---|
| 204 | *
|
---|
| 205 | */
|
---|
| 206 | mov r0, r6 /* r6: ãã¼ãã«ã®ã¤ã³ããã¯ã¹ i */
|
---|
| 207 | Lea _tnum_datasec, r7
|
---|
| 208 | ld.w 0[r7], r7 /* r7: ãã¼ãã«ã®è¦ç´ æ° num */
|
---|
| 209 | Lea _datasecinib_table, r8 /* r8: ãã¼ãã«ã®ã¢ãã¬ã¹ */
|
---|
| 210 | FLABEL(data_init_start)
|
---|
| 211 | cmp r7, r6 /* ã«ã¼ãçµäºæ¡ä»¶: i >= num */
|
---|
| 212 | bnl data_init_end
|
---|
| 213 | ld.w 0[r8], ep /* ep : dataã®å
|
---|
| 214 | é çªå° */
|
---|
| 215 | ld.w 4[r8], r9 /* r9 : dataã®çµäºçªå° */
|
---|
| 216 | ld.w 8[r8], r2 /* r2: idataã®çµäºçªå° */
|
---|
| 217 | cmp r9, ep /* dataã空ãï¼ */
|
---|
| 218 | bnl data_init_start_hook /* 空ãªãã°æ¬¡ã®data㸠*/
|
---|
| 219 | nop
|
---|
| 220 | FLABEL(data_init_body)
|
---|
| 221 | ld.b 0[r2], r10 /* idataã®å¤ããã¼ã */
|
---|
| 222 | sst.b r10, 0[ep] /* idataã®å¤ãdataã®ã¢ãã¬ã¹ã¸ã¹ã㢠*/
|
---|
| 223 | add 1, ep /* dataã®æ¬¡ã®çªå°ã¸ */
|
---|
| 224 | add 1, r2 /* idataã®æ¬¡ã®çªå°ã¸ */
|
---|
| 225 | cmp r9, ep /* dataã®çµäºçªå°ã¾ã§æ¥ããï¼ */
|
---|
| 226 | bl data_init_body /* çµäºçªå°ã§ãªããã°ã«ã¼ã */
|
---|
| 227 | #ifdef DATASEC_ALIGN_MASK
|
---|
| 228 | /*
|
---|
| 229 | * å¢çã«ãªãã¾ã§åæåãç¶ãã
|
---|
| 230 | */
|
---|
| 231 | mov DATASEC_ALIGN_MASK, r10
|
---|
| 232 | FLABEL(data_init_body2)
|
---|
| 233 | tst r10, ep /* ep & 0xf == 0 ? */
|
---|
| 234 | bz data_init_start_hook
|
---|
| 235 | sst.b r0, 0[ep] /* 0åæå */
|
---|
| 236 | add 1, ep
|
---|
| 237 | jr data_init_body2
|
---|
| 238 | #endif /* DATASEC_ALIGN_MASK */
|
---|
| 239 | nop
|
---|
| 240 | FLABEL(data_init_start_hook)
|
---|
| 241 | add 12, r8 /* ãã¼ãã«ã®ã¢ãã¬ã¹ãã¤ã³ã¯ãªã¡ã³ã 4byte * 3 -> 12 */
|
---|
| 242 | add 1, r6 /* ãã¼ãã«ã®ã¤ã³ããã¯ã¹ãã¤ã³ã¯ãªã¡ã³ã: i++ */
|
---|
| 243 | br data_init_start
|
---|
| 244 | nop
|
---|
| 245 | FLABEL(data_init_end)
|
---|
| 246 | #endif /* OMIT_DATA_INIT */
|
---|
| 247 | /* =end modified for SC3 */
|
---|
| 248 | /*
|
---|
| 249 | * software_init_hook ãå¼åºãï¼0 ã§ãªãå ´åï¼
|
---|
| 250 | *
|
---|
| 251 | * ã½ããã¦ã§ã¢ç°å¢ï¼ç¹ã«ã©ã¤ãã©ãªï¼ã«ä¾åãã¦å¿
|
---|
| 252 | è¦ãªåæåå¦
|
---|
| 253 | * çãããå ´åã¯ï¼software_init_hook ã¨ããé¢æ°ãç¨æããã°
|
---|
| 254 | * ããï¼
|
---|
| 255 | */
|
---|
| 256 | Lea _software_init_hook, r1
|
---|
| 257 | cmp r0, r1
|
---|
| 258 | be software_init_hook_end
|
---|
| 259 | #ifdef __v850e3v5__
|
---|
| 260 | jarl [r1], lp
|
---|
| 261 | #else /* __v850e3v5__ */
|
---|
| 262 | jarl _software_init_hook, lp
|
---|
| 263 | #endif /* __v850e3v5__ */
|
---|
| 264 |
|
---|
| 265 | software_init_hook_end:
|
---|
| 266 |
|
---|
| 267 |
|
---|
| 268 | /*
|
---|
| 269 | * ã«ã¼ãã«ãèµ·åããï¼
|
---|
| 270 | */
|
---|
| 271 | jarl _target_hardware_initialize, r31
|
---|
| 272 | jarl _main, r31
|
---|
| 273 | halt
|
---|
| 274 | #if defined(PE2_ONLY) || defined(PE1_ONLY)
|
---|
| 275 | jarl __non_use_pe_start, r31
|
---|
| 276 |
|
---|
| 277 | .section .non_use_pe_rom
|
---|
| 278 | .align 4
|
---|
| 279 | .global __non_use_pe_start
|
---|
| 280 | __non_use_pe_start:
|
---|
| 281 | nop
|
---|
| 282 | #ifdef PE2_ONLY
|
---|
| 283 | /* IBDxxx ã®åæå */
|
---|
| 284 | mov 0x00010002, r2
|
---|
| 285 |
|
---|
| 286 | /* RLIN30 */
|
---|
| 287 | mov 0xFFFFB88C, r3
|
---|
| 288 | st.w r2, 0[r3]
|
---|
| 289 |
|
---|
| 290 | /* RLIN31 */
|
---|
| 291 | mov 0xFFFFB9E8, r3
|
---|
| 292 | st.w r2, 0[r3]
|
---|
| 293 |
|
---|
| 294 | /* TAUJ0I0 */
|
---|
| 295 | mov 0xFFFFB940, r3
|
---|
| 296 | st.w r2, 0[r3]
|
---|
| 297 | /* TAUJ1I0 */
|
---|
| 298 | mov 0xFFFFBAA0, r3
|
---|
| 299 | st.w r2, 0[r3]
|
---|
| 300 | #endif /* PE2_ONLY */
|
---|
| 301 |
|
---|
| 302 | /* permit local ram access */
|
---|
| 303 | mov 0xfffee600, r20 -- PEG #0 base
|
---|
| 304 | mov 0x0001, r21 -- PEGG1SP val / All SPID is permit
|
---|
| 305 | mov 0xffffffff, r22 -- PEGG1MK val / All Address Masked
|
---|
| 306 | mov 0x00000077, r23 -- PEGG1BA val / Enable, Read/Write permit, Non-Lock, Base=0
|
---|
| 307 |
|
---|
| 308 | st.h r21, 0x0c[r20] -- set PEGGSP
|
---|
| 309 | st.w r22, 0x80[r20] -- set PEGG1MK
|
---|
| 310 | st.w r23, 0x84[r20] -- set PEGG1BA
|
---|
| 311 |
|
---|
| 312 | -- Store completion barrier
|
---|
| 313 | ld.w 0x84[r20], r0
|
---|
| 314 | syncp
|
---|
| 315 |
|
---|
| 316 | __non_use_pe_start_1:
|
---|
| 317 | halt
|
---|
| 318 | br __non_use_pe_start_1
|
---|
| 319 |
|
---|
| 320 | #endif /* defined(PE2_ONLY) || defined(PE1_ONLY) */
|
---|
| 321 |
|
---|
| 322 | .end
|
---|