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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

Line
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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