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

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1 39 lampret
#ifdef __mn10300__
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        .section .text
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        .global _start
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_start:
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        mov _stack-8,a0         # Load up the stack pointer
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        mov a0,sp
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        mov _edata,a0           # Get the start/end of bss
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        mov _end,a1
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        cmp a0,a1               # If no bss, then do nothing
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        beq .L0
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        clr d0                  # clear d0
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.L1:
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        movbu d0,(a0)           # Clear a byte and bump pointer
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        inc a0
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        cmp a0,a1
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        bne .L1
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.L0:
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        call ___main,[],0       # Call __main to run ctors/dtors
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        clr d0
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        clr d1
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        mov d0,(4,sp)
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        call _main,[],0         # Call main program
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        call _exit,[],0         # All done, no need to return or
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                                # deallocate our stack.
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        .section ._stack
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_stack: .long   1
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#else
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        .section .text
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        .global _start
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_start:
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        mov _stack-4,a3         # Load up the stack pointer and allocate
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                                # our current frame.
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        mov _edata,a0           # Get the start/end of bss
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        mov _end,a1
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        cmp a0,a1               # If no bss, then do nothing
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        beqx .L0
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        sub d0,d0               # clear d0
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.L1:
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        movb d0,(a0)            # Clear a byte and bump pointer
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        add 1,a0
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        cmp a0,a1
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        bnex .L1
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.L0:
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        jsr ___main
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        sub d0,d0
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        mov d0,d1
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        mov d0,(a3)
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        jsr _main               # Call main program
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        jmp _exit               # All done, no need to return or
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                                # deallocate our stack.
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        .section ._stack
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_stack: .long   1
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#endif

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