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start.S @ 820d1ab0

4.104.115

Last change on this file since 820d1ab0 was 820d1ab0, checked in by Chris Johns <chrisj@…>, on 04/28/09 at 06:34:00

2009-04-28 Chris Johns <chrisj@…>

File size: 1.3 KB

Line
1	/*
2	* This start.S is a combination of the files boot.s and crt0.s
3	* provided by Herman ...XXX
4	*/
5
6	#warning Call to boot_card has changed and needs checking.
7	#warning The call is "void boot_card(const char* cmdline);"
8	#warning You need to pass a NULL.
9	#warning Please check and remove these warnings.
10
11	; .file "crt0.s"
12	.ref _c_int00
13	.global start
14	.global _start
15
16	.if .tms320C40
17
18	.sect ".const"
19	mem_control:
20	.word 000100000h
21	mem_data:
22	.word 03ef78050h
23
24	.text
25	start:
26	_start:
27	ldi 0800h,st
28	ldp @mem_control
29	ldi @mem_control,ar0
30	ldp @mem_data
31	ldi @mem_data,r0
32	sti r0,*+ar0(0)
33	sti r0,*+ar0(4)
34	br _c_int00
35
36	.else
37
38	.sect ".const"
39	mem_control:
40	.word 000808000h
41	mem_data:
42	.word 000001f00h
43
44	.text
45	start:
46	_start:
47	ldi 0800h,st
48	ldp @mem_control
49	ldi @mem_control,ar0
50	ldp @mem_data
51	ldi @mem_data,r0
52	sti r0,*+ar0(0)
53	sti r0,*+ar0(4)
54	br _c_int00
55
56	.endif
57	; .file "boot.s"
58	.global __stack
59	.global _c_int00
60	.ref .bss
61	.ref _boot_card
62	.ref _exit
63
64	__stack: .usect ".stack",0
65	.text
66	stack_addr: .word __stack
67
68	_c_int00:
69	ldp stack_addr
70	ldi @stack_addr,sp
71	ldi sp,ar3
72	ldp .bss ; For the small model, set up the DP to .bss
73	ldi 0,ar2 ; make sure cmdline=0 with regparm
74	push ar2 ; and memparm
75	call _boot_card
76	call _sim_exit

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