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start.S@ 363

Last change on this file since 363 was 363, checked in by ykominami, 5 years ago
add tags/jsp-1.4.4-full-UTF8
Property svn:executable set to ``*
File size: 12.4 KB

Rev	Line
[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	* Copyright (C) 2007 by KURUSUGAWA Electronics Industry Inc, JAPAN
	9	* Copyright (C) 2008 by Takahisa Yokota
	10	*
	11	* ä¸è¨èä½æ¨©è
	12	ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
	13	* ã«ãã£ã¦å
	14	¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
	15	* è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
	16	* ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ãä½¿ç¨ã»è¤è£½ã»æ¹å¤ã»åé
	17	å¸ï¼ä»¥ä¸ï¼
	18	* å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
	19	* (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
	20	* æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
	21	* ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
	22	* (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
	23	* ç¨ã§ããå½¢ã§åé
	24	å¸ããå ´åã«ã¯ï¼åé
	25	å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
	26	* è
	27	ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
	28	* ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
	29	* (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
	30	* ç¨ã§ããªãå½¢ã§åé
	31	å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
	32	* ã¨ï¼
	33	* (a) åé
	34	å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
	35	ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
	36	* ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
	37	* (b) åé
	38	å¸ã®å½¢æ
	39	ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
	40	* å ±åãããã¨ï¼
	41	* (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
	42	* å®³ãããï¼ä¸è¨èä½æ¨©è
	43	ããã³TOPPERSããã¸ã§ã¯ããå
	44	è²¬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¦ï¼ãã®é©ç¨å¯è½æ§ã
	49	* å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
	50	* æ¥çã¾ãã¯éæ¥çã«çãããããªãæå®³ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
	51	*
	52	* @(#) $Id: start.S,v 1.6 2003/06/04 01:51:39 hiro Exp $
	53	*/
	54
	55	/*
	56	* ã«ã¼ãã«ç¨ã®ã¹ã¿ã¼ãã¢ããã¢ã¸ã¥ã¼ã«ï¼COLDFIREç¨ï¼
	57	*/
	58
	59	#define _MACRO_ONLY
	60	#include <t_config.h>
	61	/*
	62	*ããä¾å¤ãã¯ã¿ã®å®ç¾©ï¼COLDFIREç¨ï¼
	63	*ãããããã§ã¯ãªã»ããæã«å¿
	64	è¦ãªæä½éã®ãã¯ã¿ããç¨æããªã
	65	*ãããcpu_initialize()ã§ä¾å¤ãã¯ã¿ã®ç§»åï¼VBRã®æ¸ãæãï¼ãè¡ã
	66	*/
	67	#ifdef KERNEL_HAS_A_VECTOR_TABLE
	68
	69	/*
	70	* ä»¥ä¸ã®ä¾å¤è¦å ã§ããã©ã«ãã¨ã¯ç°ãªãä¾å¤ãã¯ã¿ãå®ç¾©
	71	* ããå ´åã¯ãsys_config.hã§è©²å½ãããã¯ããå®ç¾©ããã
	72	*/
	73	.section ".vector","ax"
	74	.align 2
	75	.long INIT_STACK /* 0:ã¹ã¿ãã¯ãã¤ã³ã¿ã®åæå¤ */
	76	.long TO_ASM(RESET_VECTOR) /* 1:ãã¯ã¼ãªã³ãªã»ãã */
	77	.long TO_ASM(ACC_VECTOR) /* 2:ã¢ã¯ã»ã¹ã¨ã©ã¼ */
	78	.long TO_ASM(ADD_VECTOR) /* 3:ã¢ãã¬ã¹ã¨ã©ã¼ */
	79	.long TO_ASM(II_VECTOR) /* 4:ä¸è¬ä¸å½å½ä»¤ */
	80	.long TO_ASM(RESERVED_VECTOR) /* 5:d zero */
	81	.long TO_ASM(RESERVED_VECTOR) /* 6:äºç´ */
	82	.long TO_ASM(II_VECTOR) /* 7:ã·ã¹ãã äºç´ */
	83	.long TO_ASM(RESERVED_VECTOR) /* 8:pvã·ã¹ãã äºç´ */
	84	.long TO_ASM(RESERVED_VECTOR) /* 9:trace */
	85	.long TO_ASM(RESERVED_VECTOR) /* 10:line a emulator */
	86	.long TO_ASM(RESERVED_VECTOR) /* 11:line f emulator */
	87	.long TO_ASM(RESERVED_VECTOR) /* 12:ã·ã¹ãã äºç´ */
	88	.long TO_ASM(RESERVED_VECTOR) /* 13:ã·ã¹ãã äºç´ */
	89	.long TO_ASM(RESERVED_VECTOR) /* 14:ã·ã¹ãã äºç´ */
	90	.long TO_ASM(RESERVED_VECTOR) /* 15:ã·ã¹ãã äºç´ */
	91	.long TO_ASM(RESERVED_VECTOR) /* 16:ã·ã¹ãã äºç´ */
	92	.long TO_ASM(RESERVED_VECTOR) /* 17:ã·ã¹ãã äºç´ */
	93	.long TO_ASM(RESERVED_VECTOR) /* 18:ã·ã¹ãã äºç´ */
	94	.long TO_ASM(RESERVED_VECTOR) /* 19:ã·ã¹ãã äºç´ */
	95	.long TO_ASM(RESERVED_VECTOR) /* 20:ã·ã¹ãã äºç´ */
	96	.long TO_ASM(RESERVED_VECTOR) /* 21:ã·ã¹ãã äºç´ */
	97	.long TO_ASM(RESERVED_VECTOR) /* 22:ã·ã¹ãã äºç´ */
	98	.long TO_ASM(RESERVED_VECTOR) /* 23:ã·ã¹ãã äºç´ */
	99	.long TO_ASM(RESERVED_VECTOR) /* 24:ã¹ããªã¢ã¹å²ãè¾¼ã¿ */
	100	.long TO_ASM(RESERVED_VECTOR) /* æ®ãã¯ããã©ã«ãã®ä¾å¤å¦ç */
	101	.long TO_ASM(RESERVED_VECTOR)
	102	.long TO_ASM(RESERVED_VECTOR)
	103	.long TO_ASM(RESERVED_VECTOR)
	104	.long TO_ASM(RESERVED_VECTOR)
	105	.long TO_ASM(RESERVED_VECTOR)
	106	.long TO_ASM(RESERVED_VECTOR)
	107	.long TO_ASM(RESERVED_VECTOR)
	108	.long TO_ASM(RESERVED_VECTOR)
	109	.long TO_ASM(RESERVED_VECTOR)
	110	.long TO_ASM(RESERVED_VECTOR)
	111	.long TO_ASM(RESERVED_VECTOR)
	112	.long TO_ASM(RESERVED_VECTOR)
	113	.long TO_ASM(RESERVED_VECTOR)
	114	.long TO_ASM(RESERVED_VECTOR)
	115	.long TO_ASM(RESERVED_VECTOR)
	116	.long TO_ASM(RESERVED_VECTOR)
	117	.long TO_ASM(RESERVED_VECTOR)
	118	.long TO_ASM(RESERVED_VECTOR)
	119	.long TO_ASM(RESERVED_VECTOR)
	120	.long TO_ASM(RESERVED_VECTOR)
	121	.long TO_ASM(RESERVED_VECTOR)
	122	.long TO_ASM(RESERVED_VECTOR)
	123	.long TO_ASM(RESERVED_VECTOR)
	124	.long TO_ASM(RESERVED_VECTOR)
	125	.long TO_ASM(RESERVED_VECTOR)
	126	.long TO_ASM(RESERVED_VECTOR)
	127	.long TO_ASM(RESERVED_VECTOR)
	128	.long TO_ASM(RESERVED_VECTOR)
	129	.long TO_ASM(RESERVED_VECTOR)
	130	.long TO_ASM(RESERVED_VECTOR)
	131	.long TO_ASM(RESERVED_VECTOR)
	132	.long TO_ASM(RESERVED_VECTOR)
	133	.long TO_ASM(RESERVED_VECTOR)
	134	.long TO_ASM(RESERVED_VECTOR)
	135	.long TO_ASM(RESERVED_VECTOR)
	136	.long TO_ASM(RESERVED_VECTOR)
	137	.long TO_ASM(RESERVED_VECTOR)
	138	.long TO_ASM(RESERVED_VECTOR)
	139	.long TO_ASM(RESERVED_VECTOR)
	140	.long TO_ASM(RESERVED_VECTOR)
	141	.long TO_ASM(RESERVED_VECTOR)
	142	.long TO_ASM(RESERVED_VECTOR)
	143	.long TO_ASM(RESERVED_VECTOR)
	144	.long TO_ASM(RESERVED_VECTOR)
	145	.long TO_ASM(RESERVED_VECTOR)
	146	.long TO_ASM(RESERVED_VECTOR)
	147	.long TO_ASM(RESERVED_VECTOR)
	148	.long TO_ASM(RESERVED_VECTOR)
	149	.long TO_ASM(RESERVED_VECTOR)
	150	.long TO_ASM(RESERVED_VECTOR)
	151	.long TO_ASM(RESERVED_VECTOR)
	152	.long TO_ASM(RESERVED_VECTOR)
	153	.long TO_ASM(RESERVED_VECTOR)
	154	.long TO_ASM(RESERVED_VECTOR)
	155	.long TO_ASM(RESERVED_VECTOR)
	156	.long TO_ASM(RESERVED_VECTOR)
	157	.long TO_ASM(RESERVED_VECTOR)
	158	.long TO_ASM(RESERVED_VECTOR)
	159	.long TO_ASM(RESERVED_VECTOR)
	160	.long TO_ASM(RESERVED_VECTOR)
	161	.long TO_ASM(RESERVED_VECTOR)
	162	.long TO_ASM(RESERVED_VECTOR)
	163	.long TO_ASM(RESERVED_VECTOR)
	164	.long TO_ASM(RESERVED_VECTOR)
	165	.long TO_ASM(RESERVED_VECTOR)
	166	.long TO_ASM(RESERVED_VECTOR)
	167	.long TO_ASM(RESERVED_VECTOR)
	168	.long TO_ASM(RESERVED_VECTOR)
	169	.long TO_ASM(RESERVED_VECTOR)
	170	.long TO_ASM(RESERVED_VECTOR)
	171	.long TO_ASM(RESERVED_VECTOR)
	172	.long TO_ASM(RESERVED_VECTOR)
	173	.long TO_ASM(RESERVED_VECTOR)
	174	.long TO_ASM(RESERVED_VECTOR)
	175	.long TO_ASM(RESERVED_VECTOR)
	176	.long TO_ASM(RESERVED_VECTOR)
	177	.long TO_ASM(RESERVED_VECTOR)
	178	.long TO_ASM(RESERVED_VECTOR)
	179	.long TO_ASM(RESERVED_VECTOR)
	180	.long TO_ASM(RESERVED_VECTOR)
	181	.long TO_ASM(RESERVED_VECTOR)
	182	.long TO_ASM(RESERVED_VECTOR)
	183	.long TO_ASM(RESERVED_VECTOR)
	184	.long TO_ASM(RESERVED_VECTOR)
	185	.long TO_ASM(RESERVED_VECTOR)
	186	.long TO_ASM(RESERVED_VECTOR)
	187	.long TO_ASM(RESERVED_VECTOR)
	188	.long TO_ASM(RESERVED_VECTOR)
	189	.long TO_ASM(RESERVED_VECTOR)
	190	.long TO_ASM(RESERVED_VECTOR)
	191	.long TO_ASM(RESERVED_VECTOR)
	192	.long TO_ASM(RESERVED_VECTOR)
	193	.long TO_ASM(RESERVED_VECTOR)
	194	.long TO_ASM(RESERVED_VECTOR)
	195	.long TO_ASM(RESERVED_VECTOR)
	196	.long TO_ASM(RESERVED_VECTOR)
	197	.long TO_ASM(RESERVED_VECTOR)
	198	.long TO_ASM(RESERVED_VECTOR)
	199	.long TO_ASM(RESERVED_VECTOR)
	200	.long TO_ASM(RESERVED_VECTOR)
	201	.long TO_ASM(RESERVED_VECTOR)
	202	.long TO_ASM(RESERVED_VECTOR)
	203	.long TO_ASM(RESERVED_VECTOR)
	204	.long TO_ASM(RESERVED_VECTOR)
	205	.long TO_ASM(RESERVED_VECTOR)
	206	.long TO_ASM(RESERVED_VECTOR)
	207	.long TO_ASM(RESERVED_VECTOR)
	208	.long TO_ASM(RESERVED_VECTOR)
	209	.long TO_ASM(RESERVED_VECTOR)
	210	.long TO_ASM(RESERVED_VECTOR)
	211	.long TO_ASM(RESERVED_VECTOR)
	212	.long TO_ASM(RESERVED_VECTOR)
	213	.long TO_ASM(RESERVED_VECTOR)
	214	.long TO_ASM(RESERVED_VECTOR)
	215	.long TO_ASM(RESERVED_VECTOR)
	216	.long TO_ASM(RESERVED_VECTOR)
	217	.long TO_ASM(RESERVED_VECTOR)
	218	.long TO_ASM(RESERVED_VECTOR)
	219	.long TO_ASM(RESERVED_VECTOR)
	220	.long TO_ASM(RESERVED_VECTOR)
	221	.long TO_ASM(RESERVED_VECTOR)
	222	.long TO_ASM(RESERVED_VECTOR)
	223	.long TO_ASM(RESERVED_VECTOR)
	224	.long TO_ASM(RESERVED_VECTOR)
	225	.long TO_ASM(RESERVED_VECTOR)
	226	.long TO_ASM(RESERVED_VECTOR)
	227	.long TO_ASM(RESERVED_VECTOR)
	228	.long TO_ASM(RESERVED_VECTOR)
	229	.long TO_ASM(RESERVED_VECTOR)
	230	.long TO_ASM(RESERVED_VECTOR)
	231	.long TO_ASM(RESERVED_VECTOR)
	232	.long TO_ASM(RESERVED_VECTOR)
	233	.long TO_ASM(RESERVED_VECTOR)
	234	.long TO_ASM(RESERVED_VECTOR)
	235	.long TO_ASM(RESERVED_VECTOR)
	236	.long TO_ASM(RESERVED_VECTOR)
	237	.long TO_ASM(RESERVED_VECTOR)
	238	.long TO_ASM(RESERVED_VECTOR)
	239	.long TO_ASM(RESERVED_VECTOR)
	240	.long TO_ASM(RESERVED_VECTOR)
	241	.long TO_ASM(RESERVED_VECTOR)
	242	.long TO_ASM(RESERVED_VECTOR)
	243	.long TO_ASM(RESERVED_VECTOR)
	244	.long TO_ASM(RESERVED_VECTOR)
	245	.long TO_ASM(RESERVED_VECTOR)
	246	.long TO_ASM(RESERVED_VECTOR)
	247	.long TO_ASM(RESERVED_VECTOR)
	248	.long TO_ASM(RESERVED_VECTOR)
	249	.long TO_ASM(RESERVED_VECTOR)
	250	.long TO_ASM(RESERVED_VECTOR)
	251	.long TO_ASM(RESERVED_VECTOR)
	252	.long TO_ASM(RESERVED_VECTOR)
	253	.long TO_ASM(RESERVED_VECTOR)
	254	.long TO_ASM(RESERVED_VECTOR)
	255	.long TO_ASM(RESERVED_VECTOR)
	256	.long TO_ASM(RESERVED_VECTOR)
	257	.long TO_ASM(RESERVED_VECTOR)
	258	.long TO_ASM(RESERVED_VECTOR)
	259	.long TO_ASM(RESERVED_VECTOR)
	260	.long TO_ASM(RESERVED_VECTOR)
	261	.long TO_ASM(RESERVED_VECTOR)
	262	.long TO_ASM(RESERVED_VECTOR)
	263	.long TO_ASM(RESERVED_VECTOR)
	264	.long TO_ASM(RESERVED_VECTOR)
	265	.long TO_ASM(RESERVED_VECTOR)
	266	.long TO_ASM(RESERVED_VECTOR)
	267
	268	/* CF-Flash Protection Field */
	269	.org 0x400
	270	.long 0xFFFFFFFF
	271	.long 0xFFFFFFFF
	272	.long 0x00000000
	273	.long 0x00000000
	274	.long 0x00000000
	275	.long 0xFFFFFFFF
	276
	277	#endif /* KERNEL_HAS_A_VECTOR_TABLE */
	278	.text
	279	.globl start
	280	.align 2
	281	start:
	282	/*
	283	* ããã»ããµã¢ã¼ãã¨ã¹ã¿ãã¯ãã¤ã³ã¿ã®åæå
	284	*/
	285	move.l #0x2700, %d0
	286	move.w %d0, %sr
	287
	288	/* SRAMãã¼ã¹ã¢ãã¬ã¹ã®åæå */
	289	move.l #0x20000000, %d0
	290	add.l #0x21, %d0
	291	.long 0x4e7b0C05 /* movec %d0, %rambar1 */
	292
	293	/* ROMãã¼ã¹ã¢ãã¬ã¹ã®åæå */
	294	move.l #0x00000000, %d0
	295	add.l #0x21, %d0
	296	.long 0x4e7b0C04 /* movec %d0, %flashbar */
	297
	298	movea.l #INIT_STACK, %sp /* ãã¬ã¼ã ãã¤ã³ã¿ã®åæå */
	299	movea.l #0, %fp
	300	/*
	301	* hardware_init_hook ã®å¼åºãï¼0 ã§ãªãå ´åï¼
	302	*
	303	* ã¿ã¼ã²ãããã¼ãã¦ã§ã¢ã«ä¾åãã¦å¿
	304	è¦ãªåæåå¦çãããå ´å
	305	* ã¯ï¼hardware_init_hook ã¨ããé¢æ°ãç¨æããï¼
	306	*/
	307	lea hardware_init_hook, %a0
	308	tst.l %a0
	309	jbeq start_1
	310	jsr %a0@
	311	start_1:
	312	move.l #__bss_start, %a0
	313	move.l #_end, %d0
	314	sub.l %a0, %d0
	315	jbeq start_3
	316	start_2:
	317	clr.b (%a0)+
	318	subq.l #1, %d0
	319	bne start_2
	320	clr.w %d0
	321	subq.l #1, %d0
	322	jbcc start_2
	323
	324	/*
	325	* dataã»ã¯ã·ã§ã³ã®åæåï¼ROMåå¯¾å¿ï¼
	326	*
	327	* __idata_start ãã __idata_end ã¾ã§ãï¼__data_start ä»¥éã«
	328	* ã³ãã¼ããï¼
	329	*/
	330	start_3:
	331	move.l #__idata_end, %d0
	332	sub.l #__idata_start, %d0
	333	jbls start_5
	334	move.l #__idata_start, %a0
	335	move.l #__data_start, %a1
	336	start_4:
	337	move.b (%a0)+, (%a1)+
	338	subq.l #1, %d0
	339	bne start_4
	340	clr.w %d0
	341	subq.l #1, %d0
	342	jbcc start_4
	343
	344	/*
	345	* software_init_hook ãå¼åºãï¼0 ã§ãªãå ´åï¼
	346	*
	347	* ã½ããã¦ã§ã¢ç°å¢ï¼ç¹ã«ã©ã¤ãã©ãªï¼ã«ä¾åãã¦å¿
	348	è¦ãªåæåå¦
	349	* çãããå ´åã¯ï¼software_init_hook ã¨ããé¢æ°ãç¨æããã°
	350	* ããï¼
	351	*/
	352	start_5:
	353	lea software_init_hook, %a0
	354	tst.l %a0
	355	jbeq start_6
	356	jsr %a0@
	357
	358	/*
	359	* ã«ã¼ãã«ãèµ·åããï¼
	360	*/
	361	start_6:
	362	jmp kernel_start

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