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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [sysnecv850/] [crt0.S] - Blame information for rev 816

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# NEC V850 startup code
 
        .section .text
        .global _start
 
_start:
 
#if defined __v850e__
 
        movea   255,            r0,     r20
        mov     65535,          r21
        mov     hilo(_stack),   sp
        mov     hilo(__ep),     ep
        mov     hilo(__gp),     gp
        mov     hilo(__ctbp),   r6
        ldsr    r6,             ctbp
        mov     hilo(_edata),   r6
        mov     hilo(_end),     r7
.L0:
        st.w    r0,             0[r6]
        addi    4,              r6,     r6
        cmp     r7,             r6
        bl      .L0
.L1:
        jarl    ___main,        r31
        addi    -16,            sp,     sp
        mov     0,              r6
        mov     0,              r7
        mov     0,              r8
        jarl    _main,          r31
        mov     r10,            r6
        jarl    _exit,          r31
 
# else
        movea   255,            r0,     r20
        mov     r0,             r21
        ori     65535,          r0,     r21
        movhi   hi(_stack),     r0,     sp
        movea   lo(_stack),     sp,     sp
        movhi   hi(__ep),       r0,     ep
        movea   lo(__ep),       ep,     ep
        movhi   hi(__gp),       r0,     gp
        movea   lo(__gp),       gp,     gp
 
        movhi   hi(_edata),     r0,     r6
        movea   lo(_edata),     r6,     r6
        movhi   hi(_end),       r0,     r7
        movea   lo(_end),       r7,     r7
.L0:
        st.b    r0,             0[r6]
        addi    1,              r6,     r6
        cmp     r7,             r6
        bl      .L0
.L1:
        jarl    ___main,        r31
        addi    -16,            sp,     sp
        mov     0,              r6
        mov     0,              r7
        mov     0,              r8
        jarl    _main,          r31
        mov     r10,            r6
        jarl    _exit,          r31
# endif
 
        .section .stack
_stack: .long   1
 
        .section .data
        .global ___dso_handle
        .weak   ___dso_handle
___dso_handle:
        .long   0

Line No.	Rev	Author	Line
1	148	jeremybenn	`# NEC V850 startup code`
2
3			`.section .text`
4			`.global _start`
5
6			`_start:`
7
8			`#if defined __v850e__`
9
10			`movea 255, r0, r20`
11			`mov 65535, r21`
12			`mov hilo(_stack), sp`
13			`mov hilo(__ep), ep`
14			`mov hilo(__gp), gp`
15			`mov hilo(__ctbp), r6`
16			`ldsr r6, ctbp`
17			`mov hilo(_edata), r6`
18			`mov hilo(_end), r7`
19			`.L0:`
20			`st.w r0, 0[r6]`
21			`addi 4, r6, r6`
22			`cmp r7, r6`
23			`bl .L0`
24			`.L1:`
25			`jarl ___main, r31`
26			`addi -16, sp, sp`
27			`mov 0, r6`
28			`mov 0, r7`
29			`mov 0, r8`
30			`jarl _main, r31`
31			`mov r10, r6`
32			`jarl _exit, r31`
33
34			`# else`
35			`movea 255, r0, r20`
36			`mov r0, r21`
37			`ori 65535, r0, r21`
38			`movhi hi(_stack), r0, sp`
39			`movea lo(_stack), sp, sp`
40			`movhi hi(__ep), r0, ep`
41			`movea lo(__ep), ep, ep`
42			`movhi hi(__gp), r0, gp`
43			`movea lo(__gp), gp, gp`
44
45			`movhi hi(_edata), r0, r6`
46			`movea lo(_edata), r6, r6`
47			`movhi hi(_end), r0, r7`
48			`movea lo(_end), r7, r7`
49			`.L0:`
50			`st.b r0, 0[r6]`
51			`addi 1, r6, r6`
52			`cmp r7, r6`
53			`bl .L0`
54			`.L1:`
55			`jarl ___main, r31`
56			`addi -16, sp, sp`
57			`mov 0, r6`
58			`mov 0, r7`
59			`mov 0, r8`
60			`jarl _main, r31`
61			`mov r10, r6`
62			`jarl _exit, r31`
63			`# endif`
64
65			`.section .stack`
66			`_stack: .long 1`
67
68			`.section .data`
69			`.global ___dso_handle`
70			`.weak ___dso_handle`
71			`___dso_handle:`
72			`.long 0`

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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [sysnecv850/] [crt0.S] - Blame information for rev 816