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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [sys/] [h8300hms/] [crt0.S] - Blame information for rev 1765

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; h8/300 and h8/300h start up file.
 
#ifdef __H8300__
 
        .section .text
        .global _start
_start:
        mov.w   #_stack,sp
        mov.w   #_edata,r0
        mov.w   #_end,r1
        sub.w   r2,r2
.loop:  mov.w   r2,@r0
        adds    #2,r0
        cmp     r1,r0
        blo     .loop
#ifdef __ELF__
        mov.l   #__fini,r0
        jsr     @_atexit
        jsr     @__init
#else
        jsr     @___main
#endif
        jsr     @_main
        jsr     @_exit
 
        .section .stack
_stack: .word   1
 
#endif
 
#ifdef __H8300H__
 
        .h8300h
        .section .text
        .global _start
_start:
        mov.l   #_stack,sp
        mov.l   #_edata,er0
        mov.l   #_end,er1
        sub.w   r2,r2           ; not sure about alignment requirements
.loop:  mov.w   r2,@er0         ; playing it safe for now
        adds    #2,er0
        cmp.l   er1,er0
        blo     .loop
#ifdef __ELF__
        mov.l   #__fini,r0
        jsr     @_atexit
        jsr     @__init
#else
        jsr     @___main
#endif
        jsr     @_main
        jsr     @_exit
 
        .section .stack
_stack: .long   1
 
#endif
 
#ifdef __H8300S__
 
        .h8300s
        .section .text
        .global _start
_start:
        mov.l   #_stack,sp
        mov.l   #_edata,er0
        mov.l   #_end,er1
        sub.w   r2,r2           ; not sure about alignment requirements
.loop:  mov.w   r2,@er0         ; playing it safe for now
        adds    #2,er0
        cmp.l   er1,er0
        blo     .loop
#ifdef __ELF__
        mov.l   #__fini,r0
        jsr     @_atexit
        jsr     @__init
#else
        jsr     @___main
#endif
        jsr     @_main
        jsr     @_exit
 
        .section .stack
_stack: .long   1
 
#endif

Line No.	Rev	Author	Line
1	1010	ivang	`; h8/300 and h8/300h start up file.`
2
3			`#ifdef __H8300__`
4
5			`.section .text`
6			`.global _start`
7			`_start:`
8			`mov.w #_stack,sp`
9			`mov.w #_edata,r0`
10			`mov.w #_end,r1`
11			`sub.w r2,r2`
12			`.loop: mov.w r2,@r0`
13			`adds #2,r0`
14			`cmp r1,r0`
15			`blo .loop`
16			`#ifdef __ELF__`
17			`mov.l #__fini,r0`
18			`jsr @_atexit`
19			`jsr @__init`
20			`#else`
21			`jsr @___main`
22			`#endif`
23			`jsr @_main`
24			`jsr @_exit`
25
26			`.section .stack`
27			`_stack: .word 1`
28
29			`#endif`
30
31			`#ifdef __H8300H__`
32
33			`.h8300h`
34			`.section .text`
35			`.global _start`
36			`_start:`
37			`mov.l #_stack,sp`
38			`mov.l #_edata,er0`
39			`mov.l #_end,er1`
40			`sub.w r2,r2 ; not sure about alignment requirements`
41			`.loop: mov.w r2,@er0 ; playing it safe for now`
42			`adds #2,er0`
43			`cmp.l er1,er0`
44			`blo .loop`
45			`#ifdef __ELF__`
46			`mov.l #__fini,r0`
47			`jsr @_atexit`
48			`jsr @__init`
49			`#else`
50			`jsr @___main`
51			`#endif`
52			`jsr @_main`
53			`jsr @_exit`
54
55			`.section .stack`
56			`_stack: .long 1`
57
58			`#endif`
59
60			`#ifdef __H8300S__`
61
62			`.h8300s`
63			`.section .text`
64			`.global _start`
65			`_start:`
66			`mov.l #_stack,sp`
67			`mov.l #_edata,er0`
68			`mov.l #_end,er1`
69			`sub.w r2,r2 ; not sure about alignment requirements`
70			`.loop: mov.w r2,@er0 ; playing it safe for now`
71			`adds #2,er0`
72			`cmp.l er1,er0`
73			`blo .loop`
74			`#ifdef __ELF__`
75			`mov.l #__fini,r0`
76			`jsr @_atexit`
77			`jsr @__init`
78			`#else`
79			`jsr @___main`
80			`#endif`
81			`jsr @_main`
82			`jsr @_exit`
83
84			`.section .stack`
85			`_stack: .long 1`
86
87			`#endif`

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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [sys/] [h8300hms/] [crt0.S] - Blame information for rev 1765